Beškoski, Vladimir

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Authority KeyName Variants
orcid::0000-0002-6372-4706
  • Beškoski, Vladimir (116)
Projects
Simultaneous Bioremediation and Soilification of Degraded Areas to Preserve Natural Resources of Biologically Active Substances, and Development and Production of Biomaterials and Dietetic Products Geochemical investigations of sedimentary rocks - fossil fuels and environmental pollutants
Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 451-03-68/2020-14/200168 (University of Belgrade, Faculty of Chemistry) Biomasa i metabolizam nekih mikroorganizama kao izvor široko upotrebljivih proizvoda i biohemijskih reakcija
Dynamics of nonlinear physicochemical and biochemical systems with modeling and predicting of their behavior under nonequilibrium conditions Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 451-03-68/2020-14/200026 (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - IChTM)
Japan International Cooperation Agency (JICA) grassroot project “Capacity building for analysis and reduction measures of persistent organic pollutants in Serbia” Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 451-03-68/2020-14/200042 (University of Belgrade, Institute of Molecular Genetics and Genetic Engineering)
Synthesis, processing and characterization of nanostructured materials for application in the field of energy, mechanical engineering, environmental protection and biomedicine Japan International Cooperation Agency (JICA)
Natural products of wild, cultivated and edible plants: structure and bioactivity determination Synthesis and characterization of novel functional polymers and polymeric nanocomposites
Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 451-03-68/2020-14/200053 (University of Belgrade, Institute for Multidisciplinary Research) Govorna komunikacija čovek-mašina
Proizvodni mobilni bioreaktor i dobijanje biomase mikroorganizama za bioremedijaciju Agencia Nacional de Promocion Científica y Tecnologica (PICT 2015-1620 to MCNS), CONICET (PUE INFIVE), CICPBA, UNLP
ARDITI-Agência Regional para o Desenvolvimento da Investigação Tecnologia e Inovação, project M1420-01-0145-FEDER-000005 - Centro de Química da Madeira - CQM+ FCUB ERA
The study of physicochemical and biochemical processes in living environment that have impacts on pollution and the investigation of possibilities for minimizing the consequences Design, synthesis and investigations of fullerene based nanomolecular machines
Study of structure-function relationships in the plant cell wall and modifications of the wall structure by enzyme engineering The membranes as sites of interaction between the intracellular and apoplastic environments: studies of the bioenergetics and signaling using biophysical and biochemical techniques.
Fishes as water quality indicators in open waters of Serbia Microbial diversity study and characterization of beneficial environmental microorganisms
info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/176006/RS/ Geologic and ecotoxicologic research in identification of geopathogen zones of toxic elements in drinking water reservoirs- research into methods and procedures for reduction of biochemical anomalies
info:eu-repo/grantAgreement/MESTD/inst-2020/200168/RS/ Development of technologies and products based on mineral raw materials and waste biomass for protection of natural resources for safe food production
Micro- Nanosystems and Sensors for Electric Power and Process Industry and Environmental Protection Japan International Cooperation Agency (JICA) (grassroot project “Capacity building for analysis and reduction measures of persistent organic pollutants in Serbia”)

Author's Bibliography

Geological substrate-related variability of Teucrium montanum L. (Lamiaceae) essential oil

Zlatić, Nenad; Mihailović, Vladimir; Lješević, Marija; Beškoski, Vladimir; Stanković, Milan

(Elsevier, 2022)

TY  - JOUR
AU  - Zlatić, Nenad
AU  - Mihailović, Vladimir
AU  - Lješević, Marija
AU  - Beškoski, Vladimir
AU  - Stanković, Milan
PY  - 2022
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/5004
AB  - This study aimed to determine the qualitative variability of essential oils of mountain germander – Teucrium
montanum L. (Lamiaceae) at the population level, depending on the type of geological substrate. Ten samples of
essential oils originated from aerial plant parts of populations from calcareous and ten from serpentinite were
tested by GCxGC-MS method. The obtained results showed that the serpentinite populations have more than 3
times higher essential oil yield than calcareous populations. Based on the average values for the relative percentage amounts of T. montanum essential oils, it was shown that the sesquiterpenes (34.89%) are the main
compounds in analyzed essential oils. Population from calcareous habitats synthesize twice as many aliphatic
hydrocarbons than populations from serpentinite habitats, while populations from serpentinite habitats synthesize twice as much mono- and sesquiterpenes. The compounds with highest relative percentage amounts in
calcareous populations was the hydrocarbon tetracosane (9.02%), while in serpentinite populations it was
oxygenated sesquiterpene, limonen-10-ol (4.81%). Compounds which were only detected for calcareous populations are: dodecane and isophytol, while for serpentinite populations are: 3-caren-2-ol, carvone oxide and
pyronene. The obtained results indicate a significant influence of the habitat geological substrate on the qualitative characteristics of the T. montanum essential oil. Differentiation of calcareous and serpentinite populations
into two distinct groups based on the essential oil composition indicate the significant presence of specific
chemotypes developed by the influence of various edaphic characteristics.
PB  - Elsevier
T2  - Biochemical Systematics and Ecology
T1  - Geological substrate-related variability of Teucrium montanum L. (Lamiaceae) essential oil
VL  - 100
IS  - 104372
DO  - 10.1016/j.bse.2021.104372
ER  - 
@article{
author = "Zlatić, Nenad and Mihailović, Vladimir and Lješević, Marija and Beškoski, Vladimir and Stanković, Milan",
year = "2022",
abstract = "This study aimed to determine the qualitative variability of essential oils of mountain germander – Teucrium
montanum L. (Lamiaceae) at the population level, depending on the type of geological substrate. Ten samples of
essential oils originated from aerial plant parts of populations from calcareous and ten from serpentinite were
tested by GCxGC-MS method. The obtained results showed that the serpentinite populations have more than 3
times higher essential oil yield than calcareous populations. Based on the average values for the relative percentage amounts of T. montanum essential oils, it was shown that the sesquiterpenes (34.89%) are the main
compounds in analyzed essential oils. Population from calcareous habitats synthesize twice as many aliphatic
hydrocarbons than populations from serpentinite habitats, while populations from serpentinite habitats synthesize twice as much mono- and sesquiterpenes. The compounds with highest relative percentage amounts in
calcareous populations was the hydrocarbon tetracosane (9.02%), while in serpentinite populations it was
oxygenated sesquiterpene, limonen-10-ol (4.81%). Compounds which were only detected for calcareous populations are: dodecane and isophytol, while for serpentinite populations are: 3-caren-2-ol, carvone oxide and
pyronene. The obtained results indicate a significant influence of the habitat geological substrate on the qualitative characteristics of the T. montanum essential oil. Differentiation of calcareous and serpentinite populations
into two distinct groups based on the essential oil composition indicate the significant presence of specific
chemotypes developed by the influence of various edaphic characteristics.",
publisher = "Elsevier",
journal = "Biochemical Systematics and Ecology",
title = "Geological substrate-related variability of Teucrium montanum L. (Lamiaceae) essential oil",
volume = "100",
number = "104372",
doi = "10.1016/j.bse.2021.104372"
}
Zlatić, N., Mihailović, V., Lješević, M., Beškoski, V.,& Stanković, M.. (2022). Geological substrate-related variability of Teucrium montanum L. (Lamiaceae) essential oil. in Biochemical Systematics and Ecology
Elsevier., 100(104372).
https://doi.org/10.1016/j.bse.2021.104372
Zlatić N, Mihailović V, Lješević M, Beškoski V, Stanković M. Geological substrate-related variability of Teucrium montanum L. (Lamiaceae) essential oil. in Biochemical Systematics and Ecology. 2022;100(104372).
doi:10.1016/j.bse.2021.104372 .
Zlatić, Nenad, Mihailović, Vladimir, Lješević, Marija, Beškoski, Vladimir, Stanković, Milan, "Geological substrate-related variability of Teucrium montanum L. (Lamiaceae) essential oil" in Biochemical Systematics and Ecology, 100, no. 104372 (2022),
https://doi.org/10.1016/j.bse.2021.104372 . .

Antiproliferative activity and antioxidative potential of Swiss chard from Montenegro, grown under different irrigation and fertilization regimes

Ivanović, Ljubica; Topalović, Ana; Bogdanović, Višnja; Đurović, Dijana; Mugoša, Boban; Jadranin, Milka; Tešević, Vele; Beškoski, Vladimir

(Emerald Publishing Limited, 2021)

TY  - JOUR
AU  - Ivanović, Ljubica
AU  - Topalović, Ana
AU  - Bogdanović, Višnja
AU  - Đurović, Dijana
AU  - Mugoša, Boban
AU  - Jadranin, Milka
AU  - Tešević, Vele
AU  - Beškoski, Vladimir
PY  - 2021
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/4829
AB  - The purpose of this paper is to determine the polyphenol content, antioxidative potential and antiproliferative activity of Swiss chard from Montenegro, grown under different irrigation and fertilization regimes. Design/methodology/approach: Swiss chard was grown in the open field (Lješkopolje, Montenegro) where it was subjected to different fertilization and irrigation regimes. Chard samples were analyzed for previously identified polyphenols and for antioxidant parameters. Additionally, in order to complete the biological activities, chard extracts were tested for antiproliferative activity against MFC-7 and HT-29 tumor cell lines. Findings: The polyphenols identified in Swiss chard were flavonoids: vitexin-2?-O-xyloside, vitexin-6?-O-acetyl-2?-O-xyloside, vitexin-6?-O-malonyl-2?-O-xyloside and isorhamnetin-3,7-diglucoside. In the antioxidant tests, DPPH (2,2-diphenyl-1-picrylhydrazyl), and ABTS (2,2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid)), chard extract had values of 7.00 and 8.50 (mean values) µmol Trolox (6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid) equ/d.w., respectively. The tested chard extracts inhibited cell proliferation at different concentrations (3.125–50.0 µg/mL) against the MCF-7 cell line, after 24 and 48 h of incubation. The antiproliferative activity, expressed in terms of IC50, was 32.97 and 86.45 µg/mL after 24 h of incubation and 20.76 and 23.33 µg/mL after 48 h of incubation, for treated and untreated chard extracts, respectively. Originality/value: These data suggest Montenegrin Swiss chard grown under different irrigation and fertilization treatments can be considered as a functional food and should be included in an everyday diet. The collected data could help in the growth improvement of chard with functional food properties.
PB  - Emerald Publishing Limited
T2  - British Food Journal
T1  - Antiproliferative activity and antioxidative potential of Swiss chard from Montenegro, grown under different irrigation and fertilization regimes
VL  - 123
IS  - 7
SP  - 2335
EP  - 2348
EP  - Supplementary material: [https://cherry.chem.bg.ac.rs/handle/123456789/4830]
DO  - 10.1108/BFJ-11-2020-1062
ER  - 
@article{
author = "Ivanović, Ljubica and Topalović, Ana and Bogdanović, Višnja and Đurović, Dijana and Mugoša, Boban and Jadranin, Milka and Tešević, Vele and Beškoski, Vladimir",
year = "2021",
abstract = "The purpose of this paper is to determine the polyphenol content, antioxidative potential and antiproliferative activity of Swiss chard from Montenegro, grown under different irrigation and fertilization regimes. Design/methodology/approach: Swiss chard was grown in the open field (Lješkopolje, Montenegro) where it was subjected to different fertilization and irrigation regimes. Chard samples were analyzed for previously identified polyphenols and for antioxidant parameters. Additionally, in order to complete the biological activities, chard extracts were tested for antiproliferative activity against MFC-7 and HT-29 tumor cell lines. Findings: The polyphenols identified in Swiss chard were flavonoids: vitexin-2?-O-xyloside, vitexin-6?-O-acetyl-2?-O-xyloside, vitexin-6?-O-malonyl-2?-O-xyloside and isorhamnetin-3,7-diglucoside. In the antioxidant tests, DPPH (2,2-diphenyl-1-picrylhydrazyl), and ABTS (2,2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid)), chard extract had values of 7.00 and 8.50 (mean values) µmol Trolox (6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid) equ/d.w., respectively. The tested chard extracts inhibited cell proliferation at different concentrations (3.125–50.0 µg/mL) against the MCF-7 cell line, after 24 and 48 h of incubation. The antiproliferative activity, expressed in terms of IC50, was 32.97 and 86.45 µg/mL after 24 h of incubation and 20.76 and 23.33 µg/mL after 48 h of incubation, for treated and untreated chard extracts, respectively. Originality/value: These data suggest Montenegrin Swiss chard grown under different irrigation and fertilization treatments can be considered as a functional food and should be included in an everyday diet. The collected data could help in the growth improvement of chard with functional food properties.",
publisher = "Emerald Publishing Limited",
journal = "British Food Journal",
title = "Antiproliferative activity and antioxidative potential of Swiss chard from Montenegro, grown under different irrigation and fertilization regimes",
volume = "123",
number = "7",
pages = "2335-2348-Supplementary material: [https://cherry.chem.bg.ac.rs/handle/123456789/4830]",
doi = "10.1108/BFJ-11-2020-1062"
}
Ivanović, L., Topalović, A., Bogdanović, V., Đurović, D., Mugoša, B., Jadranin, M., Tešević, V.,& Beškoski, V.. (2021). Antiproliferative activity and antioxidative potential of Swiss chard from Montenegro, grown under different irrigation and fertilization regimes. in British Food Journal
Emerald Publishing Limited., 123(7), 2335-2348.
https://doi.org/10.1108/BFJ-11-2020-1062
Ivanović L, Topalović A, Bogdanović V, Đurović D, Mugoša B, Jadranin M, Tešević V, Beškoski V. Antiproliferative activity and antioxidative potential of Swiss chard from Montenegro, grown under different irrigation and fertilization regimes. in British Food Journal. 2021;123(7):2335-2348.
doi:10.1108/BFJ-11-2020-1062 .
Ivanović, Ljubica, Topalović, Ana, Bogdanović, Višnja, Đurović, Dijana, Mugoša, Boban, Jadranin, Milka, Tešević, Vele, Beškoski, Vladimir, "Antiproliferative activity and antioxidative potential of Swiss chard from Montenegro, grown under different irrigation and fertilization regimes" in British Food Journal, 123, no. 7 (2021):2335-2348,
https://doi.org/10.1108/BFJ-11-2020-1062 . .
1

Supplementary data for the article: Ivanović, L.; Topalović, A.; Bogdanović, V.; Đurović, D.; Mugoša, B.; Jadranin, M.; Tešević, V.; Beškoski, V. Antiproliferative Activity and Antioxidative Potential of Swiss Chard from Montenegro, Grown under Different Irrigation and Fertilization Regimes. British Food Journal 2021, 123 (7), 2335–2348. https://doi.org/10.1108/BFJ-11-2020-1062.

Topalović, Ana; Bogdanović, Višnja; Đurović, Dijana; Mugoša, Boban; Jadranin, Milka; Tešević, Vele; Beškoski, Vladimir

(Emerald Publishing Limited, 2021)

TY  - DATA
AU  - Topalović, Ana
AU  - Bogdanović, Višnja
AU  - Đurović, Dijana
AU  - Mugoša, Boban
AU  - Jadranin, Milka
AU  - Tešević, Vele
AU  - Beškoski, Vladimir
PY  - 2021
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/4830
PB  - Emerald Publishing Limited
T2  - British Food Journal
T1  - Supplementary data for the article: Ivanović, L.; Topalović, A.; Bogdanović, V.; Đurović, D.; Mugoša, B.; Jadranin, M.; Tešević, V.; Beškoski, V. Antiproliferative Activity and Antioxidative Potential of Swiss Chard from Montenegro, Grown under Different Irrigation and Fertilization Regimes. British Food Journal 2021, 123 (7), 2335–2348. https://doi.org/10.1108/BFJ-11-2020-1062.
UR  - https://hdl.handle.net/21.15107/rcub_cherry_4830
ER  - 
@misc{
author = "Topalović, Ana and Bogdanović, Višnja and Đurović, Dijana and Mugoša, Boban and Jadranin, Milka and Tešević, Vele and Beškoski, Vladimir",
year = "2021",
publisher = "Emerald Publishing Limited",
journal = "British Food Journal",
title = "Supplementary data for the article: Ivanović, L.; Topalović, A.; Bogdanović, V.; Đurović, D.; Mugoša, B.; Jadranin, M.; Tešević, V.; Beškoski, V. Antiproliferative Activity and Antioxidative Potential of Swiss Chard from Montenegro, Grown under Different Irrigation and Fertilization Regimes. British Food Journal 2021, 123 (7), 2335–2348. https://doi.org/10.1108/BFJ-11-2020-1062.",
url = "https://hdl.handle.net/21.15107/rcub_cherry_4830"
}
Topalović, A., Bogdanović, V., Đurović, D., Mugoša, B., Jadranin, M., Tešević, V.,& Beškoski, V.. (2021). Supplementary data for the article: Ivanović, L.; Topalović, A.; Bogdanović, V.; Đurović, D.; Mugoša, B.; Jadranin, M.; Tešević, V.; Beškoski, V. Antiproliferative Activity and Antioxidative Potential of Swiss Chard from Montenegro, Grown under Different Irrigation and Fertilization Regimes. British Food Journal 2021, 123 (7), 2335–2348. https://doi.org/10.1108/BFJ-11-2020-1062.. in British Food Journal
Emerald Publishing Limited..
https://hdl.handle.net/21.15107/rcub_cherry_4830
Topalović A, Bogdanović V, Đurović D, Mugoša B, Jadranin M, Tešević V, Beškoski V. Supplementary data for the article: Ivanović, L.; Topalović, A.; Bogdanović, V.; Đurović, D.; Mugoša, B.; Jadranin, M.; Tešević, V.; Beškoski, V. Antiproliferative Activity and Antioxidative Potential of Swiss Chard from Montenegro, Grown under Different Irrigation and Fertilization Regimes. British Food Journal 2021, 123 (7), 2335–2348. https://doi.org/10.1108/BFJ-11-2020-1062.. in British Food Journal. 2021;.
https://hdl.handle.net/21.15107/rcub_cherry_4830 .
Topalović, Ana, Bogdanović, Višnja, Đurović, Dijana, Mugoša, Boban, Jadranin, Milka, Tešević, Vele, Beškoski, Vladimir, "Supplementary data for the article: Ivanović, L.; Topalović, A.; Bogdanović, V.; Đurović, D.; Mugoša, B.; Jadranin, M.; Tešević, V.; Beškoski, V. Antiproliferative Activity and Antioxidative Potential of Swiss Chard from Montenegro, Grown under Different Irrigation and Fertilization Regimes. British Food Journal 2021, 123 (7), 2335–2348. https://doi.org/10.1108/BFJ-11-2020-1062." in British Food Journal (2021),
https://hdl.handle.net/21.15107/rcub_cherry_4830 .

The Effects of Microbial Polysaccharides on the Copper Accumulation in Daphnia magna

Lončarević, B.; Lješević, M.; Marković, M.; Gojgić-Cvijović, Gordana; Anđelković, I.; Beškoski, Vladimir

(Belgrade : Serbian Chemical Society, 2021)

TY  - CONF
AU  - Lončarević, B.
AU  - Lješević, M.
AU  - Marković, M.
AU  - Gojgić-Cvijović, Gordana
AU  - Anđelković, I.
AU  - Beškoski, Vladimir
PY  - 2021
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/4929
AB  - Copper is one of the leading metal pollutants in the water, which can cause adverse effects when present in high concentrations. The Daphnia magna is a model organism usually used for the determination of ecotoxicological effects of various compounds since it is highly sensitive to toxic compounds [1]. The aim of this work was to investigate the potential application of microbial extracellular polysaccharides (EPS), levan and pullulan, as agents for reducing the copper toxicity to D. magna. The protective effects of EPS were estimated based on the accumulation of copper in the D. magna cells. Levan is a branched fructane EPS [2] and the one used in this study was produced by Bacillus licheniformis NS032. Pullulan, a linear glucan EPS [3], was produced by Aureobasidium pullulans CH-1. The D. magna were exposed to 50 µg/dm3  of Cu (II) or a combination with 50 mg/dm3  and 100 mg/dm3  of levan or pullulan for 48h in the acute test. Additionally, the prolonged test was performed, where the daphnia were exposed to a 10 µg/dm3  of Cu (II) with or without 50 mg/ dm3  of levan or pullulan for 5 days. After the exposure period, the samples were digested and the accumulation of copper in D. magna was analysed using the iCAP Qc ICP-MS (Thermo Scientific, United Kingdom). The results showed that animals exposed to Cu (II) only, accumulated Cu (II) in a greater amount after the prolonged test compared to the acute one, despite the lower concentration. The treatment with EPS during the acute test increased the copper accumulation for both EPS concentrations tested, whereas during the prolonged exposure test, the Cu (II) accumulation was inhibited. Considering that protective effects of levan and pullulan were observed only with lower copper concentrations and 5 days of exposure, additional experiments are necessary to determine the mechanism of EPS action in order to confirm their possible use as protective agents.
PB  - Belgrade : Serbian Chemical Society
C3  - Book of Abstracts 21st; European Meeting on Environmental Chemistry
T1  - The Effects of Microbial Polysaccharides on the Copper Accumulation in Daphnia magna
SP  - 159
EP  - 159
UR  - https://hdl.handle.net/21.15107/rcub_cherry_4929
ER  - 
@conference{
author = "Lončarević, B. and Lješević, M. and Marković, M. and Gojgić-Cvijović, Gordana and Anđelković, I. and Beškoski, Vladimir",
year = "2021",
abstract = "Copper is one of the leading metal pollutants in the water, which can cause adverse effects when present in high concentrations. The Daphnia magna is a model organism usually used for the determination of ecotoxicological effects of various compounds since it is highly sensitive to toxic compounds [1]. The aim of this work was to investigate the potential application of microbial extracellular polysaccharides (EPS), levan and pullulan, as agents for reducing the copper toxicity to D. magna. The protective effects of EPS were estimated based on the accumulation of copper in the D. magna cells. Levan is a branched fructane EPS [2] and the one used in this study was produced by Bacillus licheniformis NS032. Pullulan, a linear glucan EPS [3], was produced by Aureobasidium pullulans CH-1. The D. magna were exposed to 50 µg/dm3  of Cu (II) or a combination with 50 mg/dm3  and 100 mg/dm3  of levan or pullulan for 48h in the acute test. Additionally, the prolonged test was performed, where the daphnia were exposed to a 10 µg/dm3  of Cu (II) with or without 50 mg/ dm3  of levan or pullulan for 5 days. After the exposure period, the samples were digested and the accumulation of copper in D. magna was analysed using the iCAP Qc ICP-MS (Thermo Scientific, United Kingdom). The results showed that animals exposed to Cu (II) only, accumulated Cu (II) in a greater amount after the prolonged test compared to the acute one, despite the lower concentration. The treatment with EPS during the acute test increased the copper accumulation for both EPS concentrations tested, whereas during the prolonged exposure test, the Cu (II) accumulation was inhibited. Considering that protective effects of levan and pullulan were observed only with lower copper concentrations and 5 days of exposure, additional experiments are necessary to determine the mechanism of EPS action in order to confirm their possible use as protective agents.",
publisher = "Belgrade : Serbian Chemical Society",
journal = "Book of Abstracts 21st; European Meeting on Environmental Chemistry",
title = "The Effects of Microbial Polysaccharides on the Copper Accumulation in Daphnia magna",
pages = "159-159",
url = "https://hdl.handle.net/21.15107/rcub_cherry_4929"
}
Lončarević, B., Lješević, M., Marković, M., Gojgić-Cvijović, G., Anđelković, I.,& Beškoski, V.. (2021). The Effects of Microbial Polysaccharides on the Copper Accumulation in Daphnia magna. in Book of Abstracts 21st; European Meeting on Environmental Chemistry
Belgrade : Serbian Chemical Society., 159-159.
https://hdl.handle.net/21.15107/rcub_cherry_4929
Lončarević B, Lješević M, Marković M, Gojgić-Cvijović G, Anđelković I, Beškoski V. The Effects of Microbial Polysaccharides on the Copper Accumulation in Daphnia magna. in Book of Abstracts 21st; European Meeting on Environmental Chemistry. 2021;:159-159.
https://hdl.handle.net/21.15107/rcub_cherry_4929 .
Lončarević, B., Lješević, M., Marković, M., Gojgić-Cvijović, Gordana, Anđelković, I., Beškoski, Vladimir, "The Effects of Microbial Polysaccharides on the Copper Accumulation in Daphnia magna" in Book of Abstracts 21st; European Meeting on Environmental Chemistry (2021):159-159,
https://hdl.handle.net/21.15107/rcub_cherry_4929 .

Screening of semi-volatile compounds in plants treated with coated cerium oxide nanoparticles by comprehensive two-dimensional gas chromatography

Milenković, Ivana; Radotić, Ksenija; Trifković, Jelena; Vujisić, Ljubodrag V.; Beškoski, Vladimir

(Wiley-VCH, 2021)

TY  - JOUR
AU  - Milenković, Ivana
AU  - Radotić, Ksenija
AU  - Trifković, Jelena
AU  - Vujisić, Ljubodrag V.
AU  - Beškoski, Vladimir
PY  - 2021
UR  - https://analyticalsciencejournals.onlinelibrary.wiley.com/doi/abs/10.1002/jssc.202100145
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/4519
AB  - Literature data about semi-volatile organic compounds in plants and the effect of cerium oxide nanoparticles on them are scarce. Surface modification of nanoparticles may change nanoparticle-environment interaction, and therefore affects compounds in plants. In this research, uncoated and glucose-, levan-, and pullulan-coated cerium oxide nanoparticles were used for wheat and pea treatment during the growth. The aim was the screening of semi-volatile organic compounds from plants’ shoots using comprehensive two-dimensional gas chromatography–mass spectrometry, a powerful separation technique allowing to reach unique separation resolution, and investigation of qualitative changes after the treatment with coated cerium oxide nanoparticles. The results were analyzed by the identification of individual peaks and fingerprint analysis by image processing. Wheat samples contained a higher number of semi-volatile organic compounds (108) compared to pea (77) but were less affected by the treatments with coated nanoparticles. The highest number of compounds was detected in wheat after the treatment with levan- and pullulan-coated nanoparticles, and in pea after treatment with levan-coated nanoparticles. This article reports a successful application of a semi-volatile organic compounds profile presented only as categorical variables and unique fingerprint images for the inter-cultivar recognition. This method may be useful in screening nanoparticles’ effects on different plants.
PB  - Wiley-VCH
T2  - Journal of Separation Science
T2  - Journal of Separation Science
T1  - Screening of semi-volatile compounds in plants treated with coated cerium oxide nanoparticles by comprehensive two-dimensional gas chromatography
VL  - 44
IS  - 11
SP  - 2260
EP  - 2268
DO  - 10.1002/jssc.202100145
ER  - 
@article{
author = "Milenković, Ivana and Radotić, Ksenija and Trifković, Jelena and Vujisić, Ljubodrag V. and Beškoski, Vladimir",
year = "2021",
abstract = "Literature data about semi-volatile organic compounds in plants and the effect of cerium oxide nanoparticles on them are scarce. Surface modification of nanoparticles may change nanoparticle-environment interaction, and therefore affects compounds in plants. In this research, uncoated and glucose-, levan-, and pullulan-coated cerium oxide nanoparticles were used for wheat and pea treatment during the growth. The aim was the screening of semi-volatile organic compounds from plants’ shoots using comprehensive two-dimensional gas chromatography–mass spectrometry, a powerful separation technique allowing to reach unique separation resolution, and investigation of qualitative changes after the treatment with coated cerium oxide nanoparticles. The results were analyzed by the identification of individual peaks and fingerprint analysis by image processing. Wheat samples contained a higher number of semi-volatile organic compounds (108) compared to pea (77) but were less affected by the treatments with coated nanoparticles. The highest number of compounds was detected in wheat after the treatment with levan- and pullulan-coated nanoparticles, and in pea after treatment with levan-coated nanoparticles. This article reports a successful application of a semi-volatile organic compounds profile presented only as categorical variables and unique fingerprint images for the inter-cultivar recognition. This method may be useful in screening nanoparticles’ effects on different plants.",
publisher = "Wiley-VCH",
journal = "Journal of Separation Science, Journal of Separation Science",
title = "Screening of semi-volatile compounds in plants treated with coated cerium oxide nanoparticles by comprehensive two-dimensional gas chromatography",
volume = "44",
number = "11",
pages = "2260-2268",
doi = "10.1002/jssc.202100145"
}
Milenković, I., Radotić, K., Trifković, J., Vujisić, L. V.,& Beškoski, V.. (2021). Screening of semi-volatile compounds in plants treated with coated cerium oxide nanoparticles by comprehensive two-dimensional gas chromatography. in Journal of Separation Science
Wiley-VCH., 44(11), 2260-2268.
https://doi.org/10.1002/jssc.202100145
Milenković I, Radotić K, Trifković J, Vujisić LV, Beškoski V. Screening of semi-volatile compounds in plants treated with coated cerium oxide nanoparticles by comprehensive two-dimensional gas chromatography. in Journal of Separation Science. 2021;44(11):2260-2268.
doi:10.1002/jssc.202100145 .
Milenković, Ivana, Radotić, Ksenija, Trifković, Jelena, Vujisić, Ljubodrag V., Beškoski, Vladimir, "Screening of semi-volatile compounds in plants treated with coated cerium oxide nanoparticles by comprehensive two-dimensional gas chromatography" in Journal of Separation Science, 44, no. 11 (2021):2260-2268,
https://doi.org/10.1002/jssc.202100145 . .
1
1
1
1

Supplementary data for the article: Milenković, I.; Radotić, K.; Trifković, J.; Vujisić, L.; Beškoski, V. P. Screening of Semi-Volatile Compounds in Plants Treated with Coated Cerium Oxide Nanoparticles by Comprehensive Two-Dimensional Gas Chromatography. Journal of Separation Science 2021, 44 (11), 2260–2268. https://doi.org/10.1002/jssc.202100145.

Milenković, Ivana; Radotić, Ksenija; Trifković, Jelena; Vujisić, Ljubodrag V.; Beškoski, Vladimir

(Wiley-VCH, 2021)

TY  - DATA
AU  - Milenković, Ivana
AU  - Radotić, Ksenija
AU  - Trifković, Jelena
AU  - Vujisić, Ljubodrag V.
AU  - Beškoski, Vladimir
PY  - 2021
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/4520
PB  - Wiley-VCH
T2  - Journal of Separation Science
T1  - Supplementary data for the article: Milenković, I.; Radotić, K.; Trifković, J.; Vujisić, L.; Beškoski, V. P. Screening of Semi-Volatile Compounds in Plants Treated with Coated Cerium Oxide Nanoparticles by Comprehensive Two-Dimensional Gas Chromatography. Journal of Separation Science 2021, 44 (11), 2260–2268. https://doi.org/10.1002/jssc.202100145.
UR  - https://hdl.handle.net/21.15107/rcub_cherry_4520
ER  - 
@misc{
author = "Milenković, Ivana and Radotić, Ksenija and Trifković, Jelena and Vujisić, Ljubodrag V. and Beškoski, Vladimir",
year = "2021",
publisher = "Wiley-VCH",
journal = "Journal of Separation Science",
title = "Supplementary data for the article: Milenković, I.; Radotić, K.; Trifković, J.; Vujisić, L.; Beškoski, V. P. Screening of Semi-Volatile Compounds in Plants Treated with Coated Cerium Oxide Nanoparticles by Comprehensive Two-Dimensional Gas Chromatography. Journal of Separation Science 2021, 44 (11), 2260–2268. https://doi.org/10.1002/jssc.202100145.",
url = "https://hdl.handle.net/21.15107/rcub_cherry_4520"
}
Milenković, I., Radotić, K., Trifković, J., Vujisić, L. V.,& Beškoski, V.. (2021). Supplementary data for the article: Milenković, I.; Radotić, K.; Trifković, J.; Vujisić, L.; Beškoski, V. P. Screening of Semi-Volatile Compounds in Plants Treated with Coated Cerium Oxide Nanoparticles by Comprehensive Two-Dimensional Gas Chromatography. Journal of Separation Science 2021, 44 (11), 2260–2268. https://doi.org/10.1002/jssc.202100145.. in Journal of Separation Science
Wiley-VCH..
https://hdl.handle.net/21.15107/rcub_cherry_4520
Milenković I, Radotić K, Trifković J, Vujisić LV, Beškoski V. Supplementary data for the article: Milenković, I.; Radotić, K.; Trifković, J.; Vujisić, L.; Beškoski, V. P. Screening of Semi-Volatile Compounds in Plants Treated with Coated Cerium Oxide Nanoparticles by Comprehensive Two-Dimensional Gas Chromatography. Journal of Separation Science 2021, 44 (11), 2260–2268. https://doi.org/10.1002/jssc.202100145.. in Journal of Separation Science. 2021;.
https://hdl.handle.net/21.15107/rcub_cherry_4520 .
Milenković, Ivana, Radotić, Ksenija, Trifković, Jelena, Vujisić, Ljubodrag V., Beškoski, Vladimir, "Supplementary data for the article: Milenković, I.; Radotić, K.; Trifković, J.; Vujisić, L.; Beškoski, V. P. Screening of Semi-Volatile Compounds in Plants Treated with Coated Cerium Oxide Nanoparticles by Comprehensive Two-Dimensional Gas Chromatography. Journal of Separation Science 2021, 44 (11), 2260–2268. https://doi.org/10.1002/jssc.202100145." in Journal of Separation Science (2021),
https://hdl.handle.net/21.15107/rcub_cherry_4520 .

Investigation of pectin as a prebiotic, antioxidant and antimicrobial agent for the bacteria selected from human milk of mothers of premature infants

Lugonja, Nikoleta; Lončarević, Branka D.; Stanković, Dalibor; Marinković, Vesna S.; Lješević, Marija; Spasić, Snežana; Beškoski, Vladimir

(Turin : Edizioni Minerva Medica, 2021)

TY  - JOUR
AU  - Lugonja, Nikoleta
AU  - Lončarević, Branka D.
AU  - Stanković, Dalibor
AU  - Marinković, Vesna S.
AU  - Lješević, Marija
AU  - Spasić, Snežana
AU  - Beškoski, Vladimir
PY  - 2021
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/4432
AB  - BACKGROUND: Pectin is a complex polysaccharide, present in fresh and processed food as an additive, which also serves as an important source of fiber. In this work, the aim was to investigate in-vitro application of apple pectin as a possible antimicrobial, antioxidant and prebiotic agent for growth of bacteria selected from human milk and infant feces, as well as standard strains Lactobacillus rhamnosus and Bifidobacterium bifidum.
METHODS : All the bacteria isolated from the milk of mothers of preterm and term-born infants, bacteria from infant feces and standard strains were tested for fermentation of apple pectin as the main carbohydrate in selective broth media.
RESULTS: An increase in the growth of bacteria Bifidobacteria, Lactobacillus, and a consortium of bacteria selected from human milk and infant feces was noticed after pectin fermentation. It was found that pectin has a positive impact on the increase of the antioxidant capacity in all the tested samples. A high correlation was achieved, comparing electrochemical with spectrophotometric methods. Antimicrobial tests showed that pectin and fermentation products have slight or no influence at all on the growth of standard strains of Escherichia coli, Staphylococcus aureus and Candida albicans.
CONCLUSIONS: The results showed the importance of pectin as an antioxidant and its impact on the development of potential probiotic microbiota in mothers and infants. The study indicated a new potential application of pectin as a supplement in infant food.
PB  - Turin : Edizioni Minerva Medica
T2  - Minerva Biotechnology and Biomolecular Research
T1  - Investigation of pectin as a prebiotic, antioxidant and antimicrobial agent for the bacteria selected from human milk of mothers of premature infants
VL  - 33
IS  - 2
SP  - 86
EP  - 92
DO  - 10.23736/S2724-542X.21.02760-9
ER  - 
@article{
author = "Lugonja, Nikoleta and Lončarević, Branka D. and Stanković, Dalibor and Marinković, Vesna S. and Lješević, Marija and Spasić, Snežana and Beškoski, Vladimir",
year = "2021",
abstract = "BACKGROUND: Pectin is a complex polysaccharide, present in fresh and processed food as an additive, which also serves as an important source of fiber. In this work, the aim was to investigate in-vitro application of apple pectin as a possible antimicrobial, antioxidant and prebiotic agent for growth of bacteria selected from human milk and infant feces, as well as standard strains Lactobacillus rhamnosus and Bifidobacterium bifidum.
METHODS : All the bacteria isolated from the milk of mothers of preterm and term-born infants, bacteria from infant feces and standard strains were tested for fermentation of apple pectin as the main carbohydrate in selective broth media.
RESULTS: An increase in the growth of bacteria Bifidobacteria, Lactobacillus, and a consortium of bacteria selected from human milk and infant feces was noticed after pectin fermentation. It was found that pectin has a positive impact on the increase of the antioxidant capacity in all the tested samples. A high correlation was achieved, comparing electrochemical with spectrophotometric methods. Antimicrobial tests showed that pectin and fermentation products have slight or no influence at all on the growth of standard strains of Escherichia coli, Staphylococcus aureus and Candida albicans.
CONCLUSIONS: The results showed the importance of pectin as an antioxidant and its impact on the development of potential probiotic microbiota in mothers and infants. The study indicated a new potential application of pectin as a supplement in infant food.",
publisher = "Turin : Edizioni Minerva Medica",
journal = "Minerva Biotechnology and Biomolecular Research",
title = "Investigation of pectin as a prebiotic, antioxidant and antimicrobial agent for the bacteria selected from human milk of mothers of premature infants",
volume = "33",
number = "2",
pages = "86-92",
doi = "10.23736/S2724-542X.21.02760-9"
}
Lugonja, N., Lončarević, B. D., Stanković, D., Marinković, V. S., Lješević, M., Spasić, S.,& Beškoski, V.. (2021). Investigation of pectin as a prebiotic, antioxidant and antimicrobial agent for the bacteria selected from human milk of mothers of premature infants. in Minerva Biotechnology and Biomolecular Research
Turin : Edizioni Minerva Medica., 33(2), 86-92.
https://doi.org/10.23736/S2724-542X.21.02760-9
Lugonja N, Lončarević BD, Stanković D, Marinković VS, Lješević M, Spasić S, Beškoski V. Investigation of pectin as a prebiotic, antioxidant and antimicrobial agent for the bacteria selected from human milk of mothers of premature infants. in Minerva Biotechnology and Biomolecular Research. 2021;33(2):86-92.
doi:10.23736/S2724-542X.21.02760-9 .
Lugonja, Nikoleta, Lončarević, Branka D., Stanković, Dalibor, Marinković, Vesna S., Lješević, Marija, Spasić, Snežana, Beškoski, Vladimir, "Investigation of pectin as a prebiotic, antioxidant and antimicrobial agent for the bacteria selected from human milk of mothers of premature infants" in Minerva Biotechnology and Biomolecular Research, 33, no. 2 (2021):86-92,
https://doi.org/10.23736/S2724-542X.21.02760-9 . .

Toxicity investigation of CeO2 nanoparticles coated with glucose and exopolysaccharides levan and pullulan on the bacterium Vibrio fischeri and aquatic organisms Daphnia magna and Danio rerio

Milenković, Ivana; Radotić, Ksenija; Despotović, Jovana; Lončarević, Branka; Lješević, Marija; Spasić, Slađana Z.; Nikolić, Aleksandra; Beškoski, Vladimir

(Elsevier, 2021)

TY  - JOUR
AU  - Milenković, Ivana
AU  - Radotić, Ksenija
AU  - Despotović, Jovana
AU  - Lončarević, Branka
AU  - Lješević, Marija
AU  - Spasić, Slađana Z.
AU  - Nikolić, Aleksandra
AU  - Beškoski, Vladimir
PY  - 2021
UR  - https://www.sciencedirect.com/science/article/pii/S0166445X21001260
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/4566
AB  - Cerium oxide nanoparticles (nCeO2) have widespread applications, but they can be hazardous to the environment. Some reports indicate the toxic effect of nCeO2 on tested animals, but literature data are mainly contradictory. Coating of nCeO2 can improve their suspension stability and change their interaction with the environment, which can consequently decrease their toxic effects. Herein, the exopolysaccharides levan and pullulan, due to their high water solubility, biocompatibility, and ability to form film, were used to coat nCeO2. Additionally, the monosaccharide glucose was used, since it is a common material for nanoparticle coating. This is the first study investigating the impact of carbohydrate-coated nCeO2 in comparison to uncoated nCeO2 using different model organisms. The aim of this study was to test the acute toxicity of carbohydrate-coated nCeO2 on the bacterium Vibrio fischeri NRRL B-11177, the crustacean Daphnia magna, and zebrafish Danio rerio. The second aim was to investigate the effects of nCeO2 on respiration in Daphnia magna which was performed for the first time. Finally, it was important to see the relation between Ce bioaccumulation in Daphnia magna and Danio rerio and other investigated parameters. Our results revealed that the coating decreased the toxicity of nCeO2 on Vibrio fischeri. The coating of nCeO2 did not affect the nanoparticles’ accumulation/adsorption or mortality in Daphnia magna or Danio rerio. Monitoring of respiration in Daphnia magna revealed changes in CO2 production after exposure to coated nCeO2, while the crustacean's O2 consumption was not affected by any of the coated nCeO2. In summary, this study revealed that, at 200 mg L−1, uncoated and carbohydrate-coated nCeO2 are not toxic for the tested organisms, however, the CO2 production in Daphnia magna is different when they are treated with coated and uncoated nCeO2. The highest production was in glucose and levan-coated nCeO2 according to their highest suspension stability. Daphnia magna (D. magna), Danio rerio (D. rerio), Vibrio fischeri (V. fischeri)
PB  - Elsevier
T2  - Aquatic Toxicology
T1  - Toxicity investigation of CeO2 nanoparticles coated with glucose and exopolysaccharides levan and pullulan on the bacterium Vibrio fischeri and aquatic organisms Daphnia magna and Danio rerio
VL  - 236
SP  - 105867
DO  - 10.1016/j.aquatox.2021.105867
ER  - 
@article{
author = "Milenković, Ivana and Radotić, Ksenija and Despotović, Jovana and Lončarević, Branka and Lješević, Marija and Spasić, Slađana Z. and Nikolić, Aleksandra and Beškoski, Vladimir",
year = "2021",
abstract = "Cerium oxide nanoparticles (nCeO2) have widespread applications, but they can be hazardous to the environment. Some reports indicate the toxic effect of nCeO2 on tested animals, but literature data are mainly contradictory. Coating of nCeO2 can improve their suspension stability and change their interaction with the environment, which can consequently decrease their toxic effects. Herein, the exopolysaccharides levan and pullulan, due to their high water solubility, biocompatibility, and ability to form film, were used to coat nCeO2. Additionally, the monosaccharide glucose was used, since it is a common material for nanoparticle coating. This is the first study investigating the impact of carbohydrate-coated nCeO2 in comparison to uncoated nCeO2 using different model organisms. The aim of this study was to test the acute toxicity of carbohydrate-coated nCeO2 on the bacterium Vibrio fischeri NRRL B-11177, the crustacean Daphnia magna, and zebrafish Danio rerio. The second aim was to investigate the effects of nCeO2 on respiration in Daphnia magna which was performed for the first time. Finally, it was important to see the relation between Ce bioaccumulation in Daphnia magna and Danio rerio and other investigated parameters. Our results revealed that the coating decreased the toxicity of nCeO2 on Vibrio fischeri. The coating of nCeO2 did not affect the nanoparticles’ accumulation/adsorption or mortality in Daphnia magna or Danio rerio. Monitoring of respiration in Daphnia magna revealed changes in CO2 production after exposure to coated nCeO2, while the crustacean's O2 consumption was not affected by any of the coated nCeO2. In summary, this study revealed that, at 200 mg L−1, uncoated and carbohydrate-coated nCeO2 are not toxic for the tested organisms, however, the CO2 production in Daphnia magna is different when they are treated with coated and uncoated nCeO2. The highest production was in glucose and levan-coated nCeO2 according to their highest suspension stability. Daphnia magna (D. magna), Danio rerio (D. rerio), Vibrio fischeri (V. fischeri)",
publisher = "Elsevier",
journal = "Aquatic Toxicology",
title = "Toxicity investigation of CeO2 nanoparticles coated with glucose and exopolysaccharides levan and pullulan on the bacterium Vibrio fischeri and aquatic organisms Daphnia magna and Danio rerio",
volume = "236",
pages = "105867",
doi = "10.1016/j.aquatox.2021.105867"
}
Milenković, I., Radotić, K., Despotović, J., Lončarević, B., Lješević, M., Spasić, S. Z., Nikolić, A.,& Beškoski, V.. (2021). Toxicity investigation of CeO2 nanoparticles coated with glucose and exopolysaccharides levan and pullulan on the bacterium Vibrio fischeri and aquatic organisms Daphnia magna and Danio rerio. in Aquatic Toxicology
Elsevier., 236, 105867.
https://doi.org/10.1016/j.aquatox.2021.105867
Milenković I, Radotić K, Despotović J, Lončarević B, Lješević M, Spasić SZ, Nikolić A, Beškoski V. Toxicity investigation of CeO2 nanoparticles coated with glucose and exopolysaccharides levan and pullulan on the bacterium Vibrio fischeri and aquatic organisms Daphnia magna and Danio rerio. in Aquatic Toxicology. 2021;236:105867.
doi:10.1016/j.aquatox.2021.105867 .
Milenković, Ivana, Radotić, Ksenija, Despotović, Jovana, Lončarević, Branka, Lješević, Marija, Spasić, Slađana Z., Nikolić, Aleksandra, Beškoski, Vladimir, "Toxicity investigation of CeO2 nanoparticles coated with glucose and exopolysaccharides levan and pullulan on the bacterium Vibrio fischeri and aquatic organisms Daphnia magna and Danio rerio" in Aquatic Toxicology, 236 (2021):105867,
https://doi.org/10.1016/j.aquatox.2021.105867 . .
1
2
2
2

Synthesis and laccase-mediated oxidation of new condensed 1,4-dihydropyridine derivatives

Milovanović, Jelena; Gündüz, Miyase Gözde; Zerva, Anastasia; Petković, Miloš; Beškoski, Vladimir; Thomaidis, Nikolaos S.; Topakas, Evangelos; Nikodinović-Runić, Jasmina

(MDPI, 2021)

TY  - JOUR
AU  - Milovanović, Jelena
AU  - Gündüz, Miyase Gözde
AU  - Zerva, Anastasia
AU  - Petković, Miloš
AU  - Beškoski, Vladimir
AU  - Thomaidis, Nikolaos S.
AU  - Topakas, Evangelos
AU  - Nikodinović-Runić, Jasmina
PY  - 2021
UR  - https://www.mdpi.com/2073-4344/11/6/727
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/4567
AB  - We describe herein the synthesis and laccase mediated oxidation of six novel 1,4-dihydropyridine (DHP)-based hexahydroquinolines (DHP1-DHP3) and decahydroacridines (DHP4-DHP6). We employed different laccase enzymes with varying redox potential to convert DHP1-DHP3 and DHP4-DHP6 to the corresponding pyridine-containing tetrahydroquinoline and octahydroacridine derivatives, respectively. Intensively coloured products were detected in all biocatalytic reactions using laccase from Trametes versicolor (TvLacc), possibly due to the presence of conjugated chromophores formed in products after oxidation. The NMR assessment confirmed that the oxidation product of DHP1 was its corresponding pyridine-bearing tetrahydroquinoline derivative. Laccase from Bacillus subtillis (BacillusLacc) was the most efficient enzyme for this group of substrates using HPLC assessment. Overall, it could be concluded that DHP2 and DHP5, bearing catecholic structures, were easily oxidized by all tested laccases, while DHP3 and DHP6 containing electron-withdrawing nitro-groups are not readily oxidized by laccases. DHP4 with decahydroacridine moiety consisting of three condensed six-membered rings that contribute not only to the volume but also to the higher redox potential of the substrate rendered this compound not to be biotransformed with any of the mentioned enzymes. Overall, we showed that multiple analytical approaches are needed in order to assess biocatalytical reactions.
PB  - MDPI
T2  - Catalysts
T1  - Synthesis and laccase-mediated oxidation of new condensed 1,4-dihydropyridine derivatives
VL  - 11
IS  - 6
SP  - 727
DO  - 10.3390/catal11060727
ER  - 
@article{
author = "Milovanović, Jelena and Gündüz, Miyase Gözde and Zerva, Anastasia and Petković, Miloš and Beškoski, Vladimir and Thomaidis, Nikolaos S. and Topakas, Evangelos and Nikodinović-Runić, Jasmina",
year = "2021",
abstract = "We describe herein the synthesis and laccase mediated oxidation of six novel 1,4-dihydropyridine (DHP)-based hexahydroquinolines (DHP1-DHP3) and decahydroacridines (DHP4-DHP6). We employed different laccase enzymes with varying redox potential to convert DHP1-DHP3 and DHP4-DHP6 to the corresponding pyridine-containing tetrahydroquinoline and octahydroacridine derivatives, respectively. Intensively coloured products were detected in all biocatalytic reactions using laccase from Trametes versicolor (TvLacc), possibly due to the presence of conjugated chromophores formed in products after oxidation. The NMR assessment confirmed that the oxidation product of DHP1 was its corresponding pyridine-bearing tetrahydroquinoline derivative. Laccase from Bacillus subtillis (BacillusLacc) was the most efficient enzyme for this group of substrates using HPLC assessment. Overall, it could be concluded that DHP2 and DHP5, bearing catecholic structures, were easily oxidized by all tested laccases, while DHP3 and DHP6 containing electron-withdrawing nitro-groups are not readily oxidized by laccases. DHP4 with decahydroacridine moiety consisting of three condensed six-membered rings that contribute not only to the volume but also to the higher redox potential of the substrate rendered this compound not to be biotransformed with any of the mentioned enzymes. Overall, we showed that multiple analytical approaches are needed in order to assess biocatalytical reactions.",
publisher = "MDPI",
journal = "Catalysts",
title = "Synthesis and laccase-mediated oxidation of new condensed 1,4-dihydropyridine derivatives",
volume = "11",
number = "6",
pages = "727",
doi = "10.3390/catal11060727"
}
Milovanović, J., Gündüz, M. G., Zerva, A., Petković, M., Beškoski, V., Thomaidis, N. S., Topakas, E.,& Nikodinović-Runić, J.. (2021). Synthesis and laccase-mediated oxidation of new condensed 1,4-dihydropyridine derivatives. in Catalysts
MDPI., 11(6), 727.
https://doi.org/10.3390/catal11060727
Milovanović J, Gündüz MG, Zerva A, Petković M, Beškoski V, Thomaidis NS, Topakas E, Nikodinović-Runić J. Synthesis and laccase-mediated oxidation of new condensed 1,4-dihydropyridine derivatives. in Catalysts. 2021;11(6):727.
doi:10.3390/catal11060727 .
Milovanović, Jelena, Gündüz, Miyase Gözde, Zerva, Anastasia, Petković, Miloš, Beškoski, Vladimir, Thomaidis, Nikolaos S., Topakas, Evangelos, Nikodinović-Runić, Jasmina, "Synthesis and laccase-mediated oxidation of new condensed 1,4-dihydropyridine derivatives" in Catalysts, 11, no. 6 (2021):727,
https://doi.org/10.3390/catal11060727 . .
2
1
1
1

Supplementary data for the article: Milovanovic, J.; Gündüz, M. G.; Zerva, A.; Petkovic, M.; Beskoski, V.; Thomaidis, N. S.; Topakas, E.; Nikodinovic-Runic, J. Synthesis and Laccase-Mediated Oxidation of New Condensed 1,4-Dihydropyridine Derivatives. Catalysts 2021, 11 (6), 727. https://doi.org/10.3390/catal11060727.

Milovanović, Jelena; Gündüz, Miyase Gözde; Zerva, Anastasia; Petković, Miloš; Beškoski, Vladimir; Thomaidis, Nikolaos S.; Topakas, Evangelos; Nikodinović-Runić, Jasmina

(MDPI, 2021)

TY  - DATA
AU  - Milovanović, Jelena
AU  - Gündüz, Miyase Gözde
AU  - Zerva, Anastasia
AU  - Petković, Miloš
AU  - Beškoski, Vladimir
AU  - Thomaidis, Nikolaos S.
AU  - Topakas, Evangelos
AU  - Nikodinović-Runić, Jasmina
PY  - 2021
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/4568
PB  - MDPI
T2  - Catalysts
T1  - Supplementary data for the article: Milovanovic, J.; Gündüz, M. G.; Zerva, A.; Petkovic, M.; Beskoski, V.; Thomaidis, N. S.; Topakas, E.; Nikodinovic-Runic, J. Synthesis and Laccase-Mediated Oxidation of New Condensed 1,4-Dihydropyridine Derivatives. Catalysts 2021, 11 (6), 727. https://doi.org/10.3390/catal11060727.
UR  - https://hdl.handle.net/21.15107/rcub_cherry_4568
ER  - 
@misc{
author = "Milovanović, Jelena and Gündüz, Miyase Gözde and Zerva, Anastasia and Petković, Miloš and Beškoski, Vladimir and Thomaidis, Nikolaos S. and Topakas, Evangelos and Nikodinović-Runić, Jasmina",
year = "2021",
publisher = "MDPI",
journal = "Catalysts",
title = "Supplementary data for the article: Milovanovic, J.; Gündüz, M. G.; Zerva, A.; Petkovic, M.; Beskoski, V.; Thomaidis, N. S.; Topakas, E.; Nikodinovic-Runic, J. Synthesis and Laccase-Mediated Oxidation of New Condensed 1,4-Dihydropyridine Derivatives. Catalysts 2021, 11 (6), 727. https://doi.org/10.3390/catal11060727.",
url = "https://hdl.handle.net/21.15107/rcub_cherry_4568"
}
Milovanović, J., Gündüz, M. G., Zerva, A., Petković, M., Beškoski, V., Thomaidis, N. S., Topakas, E.,& Nikodinović-Runić, J.. (2021). Supplementary data for the article: Milovanovic, J.; Gündüz, M. G.; Zerva, A.; Petkovic, M.; Beskoski, V.; Thomaidis, N. S.; Topakas, E.; Nikodinovic-Runic, J. Synthesis and Laccase-Mediated Oxidation of New Condensed 1,4-Dihydropyridine Derivatives. Catalysts 2021, 11 (6), 727. https://doi.org/10.3390/catal11060727.. in Catalysts
MDPI..
https://hdl.handle.net/21.15107/rcub_cherry_4568
Milovanović J, Gündüz MG, Zerva A, Petković M, Beškoski V, Thomaidis NS, Topakas E, Nikodinović-Runić J. Supplementary data for the article: Milovanovic, J.; Gündüz, M. G.; Zerva, A.; Petkovic, M.; Beskoski, V.; Thomaidis, N. S.; Topakas, E.; Nikodinovic-Runic, J. Synthesis and Laccase-Mediated Oxidation of New Condensed 1,4-Dihydropyridine Derivatives. Catalysts 2021, 11 (6), 727. https://doi.org/10.3390/catal11060727.. in Catalysts. 2021;.
https://hdl.handle.net/21.15107/rcub_cherry_4568 .
Milovanović, Jelena, Gündüz, Miyase Gözde, Zerva, Anastasia, Petković, Miloš, Beškoski, Vladimir, Thomaidis, Nikolaos S., Topakas, Evangelos, Nikodinović-Runić, Jasmina, "Supplementary data for the article: Milovanovic, J.; Gündüz, M. G.; Zerva, A.; Petkovic, M.; Beskoski, V.; Thomaidis, N. S.; Topakas, E.; Nikodinovic-Runic, J. Synthesis and Laccase-Mediated Oxidation of New Condensed 1,4-Dihydropyridine Derivatives. Catalysts 2021, 11 (6), 727. https://doi.org/10.3390/catal11060727." in Catalysts (2021),
https://hdl.handle.net/21.15107/rcub_cherry_4568 .

Influence of Microbial Community on Power Generation Using MFC System

Joksimović, K.; Žerađanin, A.; Lončarević, B.; Lješević, M.; Avdalović, J.; Ranđelović, D.; Beškoski, Vladimir

(Belgrade : Serbian Chemical Society, 2021)

TY  - CONF
AU  - Joksimović, K.
AU  - Žerađanin, A.
AU  - Lončarević, B.
AU  - Lješević, M.
AU  - Avdalović, J.
AU  - Ranđelović, D.
AU  - Beškoski, Vladimir
PY  - 2021
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/4916
AB  - Introduction: Global worldwide population and urbanization in general have created an increasing need for new energy sources. These sources need to be renewable, but it is also very important to respect the principles of environmental protection. Microbial fuel cells (MFC) are a green technology that is attracting more and more attention in the last decade. MFC presents a system which produces electrical current through metabolic processes of microorganisms such is the decomposition of organic matter. In this process chemical energy is directly converted into electrical energy [1-3]. The performance of MFC depends on several factors: temperature, the composition of the sediment, the material from which the electrodes are made, but certainly, one of the prominent factors is the activity of a microbial community. In this paper, efficiency of two MFC systems will be compared to obtain the highest current and power generation. One of them contains only river sediment as a source of microorganisms, while the other was biostimulated by microorganisms isolated from the same river sediment [2-3]. Methods: The river sediment was placed between a set of inox electrodes in a plastic container, with a total volume of 201 cm3  (MFC I). The second MFC (MFC II) was made in the same way, but a consortium of microorganisms, Clostridium sp., Bacillus sp. and Tepidibacter sp. isolated from the river sediment was added to the sediment. The set of resistors already established in our previous studies were used for the measurement of the amount of voltage, which was then used to obtained the values of current and power [4]. Results: After five days of measuring the generated voltage via MFC I and II, the results for current and power density were obtained. In MFC I, the highest current density was recorded on the fifth day and was 76 mA/ m3  while the power was 1.5 mW/m3 . With MFC II, the results were visibly higher, where the current was increased three times (up to 210 mA/m3 ), and the power by as much as 4 times higher compared to the results of MFC I (6 mW/m3 ). Conclusion: Results show that MFC I has lower values than the sediment stimulated by a consortium of microorganisms in the MFC II. The community of microorganisms greatly contributes to improving the performance of the sediment itself, by generating more power density.
PB  - Belgrade : Serbian Chemical Society
C3  - Book of Abstracts 21st; European Meeting on Environmental Chemistry
T1  - Influence of Microbial Community on Power Generation Using MFC System
SP  - 112
EP  - 112
UR  - https://hdl.handle.net/21.15107/rcub_cherry_4916
ER  - 
@conference{
author = "Joksimović, K. and Žerađanin, A. and Lončarević, B. and Lješević, M. and Avdalović, J. and Ranđelović, D. and Beškoski, Vladimir",
year = "2021",
abstract = "Introduction: Global worldwide population and urbanization in general have created an increasing need for new energy sources. These sources need to be renewable, but it is also very important to respect the principles of environmental protection. Microbial fuel cells (MFC) are a green technology that is attracting more and more attention in the last decade. MFC presents a system which produces electrical current through metabolic processes of microorganisms such is the decomposition of organic matter. In this process chemical energy is directly converted into electrical energy [1-3]. The performance of MFC depends on several factors: temperature, the composition of the sediment, the material from which the electrodes are made, but certainly, one of the prominent factors is the activity of a microbial community. In this paper, efficiency of two MFC systems will be compared to obtain the highest current and power generation. One of them contains only river sediment as a source of microorganisms, while the other was biostimulated by microorganisms isolated from the same river sediment [2-3]. Methods: The river sediment was placed between a set of inox electrodes in a plastic container, with a total volume of 201 cm3  (MFC I). The second MFC (MFC II) was made in the same way, but a consortium of microorganisms, Clostridium sp., Bacillus sp. and Tepidibacter sp. isolated from the river sediment was added to the sediment. The set of resistors already established in our previous studies were used for the measurement of the amount of voltage, which was then used to obtained the values of current and power [4]. Results: After five days of measuring the generated voltage via MFC I and II, the results for current and power density were obtained. In MFC I, the highest current density was recorded on the fifth day and was 76 mA/ m3  while the power was 1.5 mW/m3 . With MFC II, the results were visibly higher, where the current was increased three times (up to 210 mA/m3 ), and the power by as much as 4 times higher compared to the results of MFC I (6 mW/m3 ). Conclusion: Results show that MFC I has lower values than the sediment stimulated by a consortium of microorganisms in the MFC II. The community of microorganisms greatly contributes to improving the performance of the sediment itself, by generating more power density.",
publisher = "Belgrade : Serbian Chemical Society",
journal = "Book of Abstracts 21st; European Meeting on Environmental Chemistry",
title = "Influence of Microbial Community on Power Generation Using MFC System",
pages = "112-112",
url = "https://hdl.handle.net/21.15107/rcub_cherry_4916"
}
Joksimović, K., Žerađanin, A., Lončarević, B., Lješević, M., Avdalović, J., Ranđelović, D.,& Beškoski, V.. (2021). Influence of Microbial Community on Power Generation Using MFC System. in Book of Abstracts 21st; European Meeting on Environmental Chemistry
Belgrade : Serbian Chemical Society., 112-112.
https://hdl.handle.net/21.15107/rcub_cherry_4916
Joksimović K, Žerađanin A, Lončarević B, Lješević M, Avdalović J, Ranđelović D, Beškoski V. Influence of Microbial Community on Power Generation Using MFC System. in Book of Abstracts 21st; European Meeting on Environmental Chemistry. 2021;:112-112.
https://hdl.handle.net/21.15107/rcub_cherry_4916 .
Joksimović, K., Žerađanin, A., Lončarević, B., Lješević, M., Avdalović, J., Ranđelović, D., Beškoski, Vladimir, "Influence of Microbial Community on Power Generation Using MFC System" in Book of Abstracts 21st; European Meeting on Environmental Chemistry (2021):112-112,
https://hdl.handle.net/21.15107/rcub_cherry_4916 .

Metabolic Responses of Pseudomonas aeruginosa san ai to Nanoceria

Izrael Živković, L.; Medić, A.; Karadžić, I.; Beškoski, Vladimir

(Belgrade : Serbian Chemical Society, 2021)

TY  - CONF
AU  - Izrael Živković, L.
AU  - Medić, A.
AU  - Karadžić, I.
AU  - Beškoski, Vladimir
PY  - 2021
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/4930
AB  - Among numerous available nanomaterials, nanoceria (NC) has a particular importance based on its redox properties which are considered as a cause of antibacterial activity [1]. Pseudomonas aeruginosa is Gram-negative bacteria, well known for its ability to grow in diverse environments due to great potential for adaptation and its metabolic diversity. Its ability to overcome the challenges lies on bacterial cell-cell communication mechanism, known as quorum sensing (QS) system, which regulates expression of numerous genes [2]. To reveal effects of NC on metabolism of environmental isolate of polyextremophile P. aeruginosa san ai, production of exopolysaccharide, pigment – pyocyanin, siderophores – pyoverdine and pyochelin, as well accompanied changes related to QS, biofilm formation, and redox homeostasis were investigated. The minimal inhibitory concentration of NC against P. aeruginosa san ai is 8 mg/mL, which classifies it in a group of highly resistant Pseudomonas. P. aeruginosa san ai exhibited an important formation of biofilm, with OD590 readings of 0.21 for culture grown in LB and in range from 0.26 to 0.57 for culture from LB amended with increasing concentrations of NC (from 0.5 to 5 mg/mL). Accordingly, P. aeruginosa san ai can be classified as moderately adherent strain. Changes in alginate formation with increasement of 37% in the presence of NC, which have been detected, imply its engagement in the cell protection. An improved biofilm formation and production of alginate in the culture exposed to nanoceria clearly indicates their role in the first line of defence, according to previous data [3]. The up-regulation of both siderophores pyoverdine and pyocheline, was detected in cultures amended with NC, suggesting strong effect of NC on the iron homeostasis. The siderophore biosynthesis and transport require tight regulation, particularly in case of exposure to the toxic threat of ROS generated. Free radical species can trigger Fenton reaction further compromising the maintenance of intracellular iron levels. An improved production of pyoverdine- highly iron-specific siderophore, obtained in this study clearly documents how promptly and efficiently the bacteria reacts to overcome exhaustion of iron. Production of pyocyanin is almost 3 times higher in nanoceria amended culture than in control, clearly suggesting redox homeostasis disturbance caused by NC. Although NADH/NAD redox couple plays a major role in central metabolism of P. aeruginosa, another characteristic feature of P. aeruginosa is the ability to produce redox-active pyocyanin, which can react with NADH suggesting that electron transfer to pyocyanin may represent an adaptation that allows bacteria to modulate their intracellular redox state.
PB  - Belgrade : Serbian Chemical Society
C3  - Book of Abstracts 21st; European Meeting on Environmental Chemistry
T1  - Metabolic Responses of Pseudomonas aeruginosa san ai to Nanoceria
SP  - 164
EP  - 164
UR  - https://hdl.handle.net/21.15107/rcub_cherry_4930
ER  - 
@conference{
author = "Izrael Živković, L. and Medić, A. and Karadžić, I. and Beškoski, Vladimir",
year = "2021",
abstract = "Among numerous available nanomaterials, nanoceria (NC) has a particular importance based on its redox properties which are considered as a cause of antibacterial activity [1]. Pseudomonas aeruginosa is Gram-negative bacteria, well known for its ability to grow in diverse environments due to great potential for adaptation and its metabolic diversity. Its ability to overcome the challenges lies on bacterial cell-cell communication mechanism, known as quorum sensing (QS) system, which regulates expression of numerous genes [2]. To reveal effects of NC on metabolism of environmental isolate of polyextremophile P. aeruginosa san ai, production of exopolysaccharide, pigment – pyocyanin, siderophores – pyoverdine and pyochelin, as well accompanied changes related to QS, biofilm formation, and redox homeostasis were investigated. The minimal inhibitory concentration of NC against P. aeruginosa san ai is 8 mg/mL, which classifies it in a group of highly resistant Pseudomonas. P. aeruginosa san ai exhibited an important formation of biofilm, with OD590 readings of 0.21 for culture grown in LB and in range from 0.26 to 0.57 for culture from LB amended with increasing concentrations of NC (from 0.5 to 5 mg/mL). Accordingly, P. aeruginosa san ai can be classified as moderately adherent strain. Changes in alginate formation with increasement of 37% in the presence of NC, which have been detected, imply its engagement in the cell protection. An improved biofilm formation and production of alginate in the culture exposed to nanoceria clearly indicates their role in the first line of defence, according to previous data [3]. The up-regulation of both siderophores pyoverdine and pyocheline, was detected in cultures amended with NC, suggesting strong effect of NC on the iron homeostasis. The siderophore biosynthesis and transport require tight regulation, particularly in case of exposure to the toxic threat of ROS generated. Free radical species can trigger Fenton reaction further compromising the maintenance of intracellular iron levels. An improved production of pyoverdine- highly iron-specific siderophore, obtained in this study clearly documents how promptly and efficiently the bacteria reacts to overcome exhaustion of iron. Production of pyocyanin is almost 3 times higher in nanoceria amended culture than in control, clearly suggesting redox homeostasis disturbance caused by NC. Although NADH/NAD redox couple plays a major role in central metabolism of P. aeruginosa, another characteristic feature of P. aeruginosa is the ability to produce redox-active pyocyanin, which can react with NADH suggesting that electron transfer to pyocyanin may represent an adaptation that allows bacteria to modulate their intracellular redox state.",
publisher = "Belgrade : Serbian Chemical Society",
journal = "Book of Abstracts 21st; European Meeting on Environmental Chemistry",
title = "Metabolic Responses of Pseudomonas aeruginosa san ai to Nanoceria",
pages = "164-164",
url = "https://hdl.handle.net/21.15107/rcub_cherry_4930"
}
Izrael Živković, L., Medić, A., Karadžić, I.,& Beškoski, V.. (2021). Metabolic Responses of Pseudomonas aeruginosa san ai to Nanoceria. in Book of Abstracts 21st; European Meeting on Environmental Chemistry
Belgrade : Serbian Chemical Society., 164-164.
https://hdl.handle.net/21.15107/rcub_cherry_4930
Izrael Živković L, Medić A, Karadžić I, Beškoski V. Metabolic Responses of Pseudomonas aeruginosa san ai to Nanoceria. in Book of Abstracts 21st; European Meeting on Environmental Chemistry. 2021;:164-164.
https://hdl.handle.net/21.15107/rcub_cherry_4930 .
Izrael Živković, L., Medić, A., Karadžić, I., Beškoski, Vladimir, "Metabolic Responses of Pseudomonas aeruginosa san ai to Nanoceria" in Book of Abstracts 21st; European Meeting on Environmental Chemistry (2021):164-164,
https://hdl.handle.net/21.15107/rcub_cherry_4930 .

Microbial Recovery of Copper and Zinc from Wasted Electronic Parts

Joksimović, K.; Avdalović, J.; Zildžović, S.; Dojčinović, B.; Milić, Jelena; Lugonja, N.; Beškoski, Vladimir

(Belgrade : Serbian Chemical Society, 2021)

TY  - CONF
AU  - Joksimović, K.
AU  - Avdalović, J.
AU  - Zildžović, S.
AU  - Dojčinović, B.
AU  - Milić, Jelena
AU  - Lugonja, N.
AU  - Beškoski, Vladimir
PY  - 2021
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/4931
AB  - Recycling of electronic waste is crucial not only from the viewpoint of waste treatment but also from aspect of the recovery of valuable metals [1]. The aim of our study was to investigate the potential of using the Acidithiobacillus sp. B2, to solubilize metals (Cu and Zn) from electronic waste. Methodology: Chemical analysis of electronic waste and pyrite The electronic waste (after separating of the plastic parts) and pyrite were pulverized and sieved through a 63 µm stainless steel sieve in preparation for chemical and leaching studies. Electronic waste preparation for the leaching experiment The presence of alkali components in electronic waste is considered inconvenient for the reaction between the electronic waste and the acidic iron(III) sulphate solution. Hence, it is necessary to neutralize the electronic waste before adding the bacterial culture which would generate the oxidant. Before the leaching experiment, electronic waste was dispersed in 0.05 M H2 SO4  solution, shaken for 48 h, filtered from the solution, washed out with deionized water and dried at 110 °C [2]. Preparation of pyrite for the leaching experiments The pyrite concentrate for the leaching experiments was prepared by treating with a 0.5 mol/dm3  sulphuric acid solution (pH ~ 0.5) (solid to liquid phase ratio 1:5 m/V), and mixing with a mechanical stirrer at a room temperature overnight. Then, the solution was decanted, washed with deionized water and dried at 80 °C to a constant mass [2]. Leaching experiments The leaching experiments were carried out with bacterium Acidithiobacillus sp. B2. Experimental conditions were: leaching period of 20 d, 50 ml leaching solution (g/dm3 ): (NH4 )2 SO4  (3), K2 HPO4  (0.5), MgSO4 x 7H2 O(0.5), KCl (0.1), Ca(NO3 )2  (0.01), at a pH of 2.5 in 150 mL Erlenmeyer flasks at a pulp density of 10% (m/V) (5 g leaching substrate in 50 ml solution). The pH of the leaching solution was maintained at a constant value during the leaching process. One half of the substrate was pyrite and the other was an electronic waste. The initial number of microogranisms was 107  per mL, determined by the Most Probable Number method. The control suspension had the same chemical content and pH value as the suspension with Acidithiobacillus sp. B2 but the Acidithiobacillus sp. B2 culture had been inactivated by sterilization. The study was realized on a horizontal shaker. The incubation temperature was 28 °C [2]. Results and conclusions: The results of the effective metal leaching (calculated by subtraction of percentage metal leaching in the control suspension from that in the Acidithiobacillus sp. B2 suspension) are as follows: Zn (38%)>Cu (35%). The obtained results demonstrate that Acidithiobacillus sp. B2 was able to grow in the presence of electronic waste and may be “green” agents in the area of circular economy and sustainable development.
PB  - Belgrade : Serbian Chemical Society
C3  - Book of Abstracts 21st; European Meeting on Environmental Chemistry
T1  - Microbial Recovery of Copper and Zinc from Wasted Electronic Parts
SP  - 165
EP  - 165
UR  - https://hdl.handle.net/21.15107/rcub_cherry_4931
ER  - 
@conference{
author = "Joksimović, K. and Avdalović, J. and Zildžović, S. and Dojčinović, B. and Milić, Jelena and Lugonja, N. and Beškoski, Vladimir",
year = "2021",
abstract = "Recycling of electronic waste is crucial not only from the viewpoint of waste treatment but also from aspect of the recovery of valuable metals [1]. The aim of our study was to investigate the potential of using the Acidithiobacillus sp. B2, to solubilize metals (Cu and Zn) from electronic waste. Methodology: Chemical analysis of electronic waste and pyrite The electronic waste (after separating of the plastic parts) and pyrite were pulverized and sieved through a 63 µm stainless steel sieve in preparation for chemical and leaching studies. Electronic waste preparation for the leaching experiment The presence of alkali components in electronic waste is considered inconvenient for the reaction between the electronic waste and the acidic iron(III) sulphate solution. Hence, it is necessary to neutralize the electronic waste before adding the bacterial culture which would generate the oxidant. Before the leaching experiment, electronic waste was dispersed in 0.05 M H2 SO4  solution, shaken for 48 h, filtered from the solution, washed out with deionized water and dried at 110 °C [2]. Preparation of pyrite for the leaching experiments The pyrite concentrate for the leaching experiments was prepared by treating with a 0.5 mol/dm3  sulphuric acid solution (pH ~ 0.5) (solid to liquid phase ratio 1:5 m/V), and mixing with a mechanical stirrer at a room temperature overnight. Then, the solution was decanted, washed with deionized water and dried at 80 °C to a constant mass [2]. Leaching experiments The leaching experiments were carried out with bacterium Acidithiobacillus sp. B2. Experimental conditions were: leaching period of 20 d, 50 ml leaching solution (g/dm3 ): (NH4 )2 SO4  (3), K2 HPO4  (0.5), MgSO4 x 7H2 O(0.5), KCl (0.1), Ca(NO3 )2  (0.01), at a pH of 2.5 in 150 mL Erlenmeyer flasks at a pulp density of 10% (m/V) (5 g leaching substrate in 50 ml solution). The pH of the leaching solution was maintained at a constant value during the leaching process. One half of the substrate was pyrite and the other was an electronic waste. The initial number of microogranisms was 107  per mL, determined by the Most Probable Number method. The control suspension had the same chemical content and pH value as the suspension with Acidithiobacillus sp. B2 but the Acidithiobacillus sp. B2 culture had been inactivated by sterilization. The study was realized on a horizontal shaker. The incubation temperature was 28 °C [2]. Results and conclusions: The results of the effective metal leaching (calculated by subtraction of percentage metal leaching in the control suspension from that in the Acidithiobacillus sp. B2 suspension) are as follows: Zn (38%)>Cu (35%). The obtained results demonstrate that Acidithiobacillus sp. B2 was able to grow in the presence of electronic waste and may be “green” agents in the area of circular economy and sustainable development.",
publisher = "Belgrade : Serbian Chemical Society",
journal = "Book of Abstracts 21st; European Meeting on Environmental Chemistry",
title = "Microbial Recovery of Copper and Zinc from Wasted Electronic Parts",
pages = "165-165",
url = "https://hdl.handle.net/21.15107/rcub_cherry_4931"
}
Joksimović, K., Avdalović, J., Zildžović, S., Dojčinović, B., Milić, J., Lugonja, N.,& Beškoski, V.. (2021). Microbial Recovery of Copper and Zinc from Wasted Electronic Parts. in Book of Abstracts 21st; European Meeting on Environmental Chemistry
Belgrade : Serbian Chemical Society., 165-165.
https://hdl.handle.net/21.15107/rcub_cherry_4931
Joksimović K, Avdalović J, Zildžović S, Dojčinović B, Milić J, Lugonja N, Beškoski V. Microbial Recovery of Copper and Zinc from Wasted Electronic Parts. in Book of Abstracts 21st; European Meeting on Environmental Chemistry. 2021;:165-165.
https://hdl.handle.net/21.15107/rcub_cherry_4931 .
Joksimović, K., Avdalović, J., Zildžović, S., Dojčinović, B., Milić, Jelena, Lugonja, N., Beškoski, Vladimir, "Microbial Recovery of Copper and Zinc from Wasted Electronic Parts" in Book of Abstracts 21st; European Meeting on Environmental Chemistry (2021):165-165,
https://hdl.handle.net/21.15107/rcub_cherry_4931 .

Polysaccharide-fullerene supramolecular hybrids: Synthesis, characterization and antioxidant activity

Kop, Tatjana; Jakovljević, Dragica M.; Živković, Ljiljana S.; Žekić, Andrijana; Beškoski, Vladimir; Milić, Dragana; Gojgić-Cvijović, Gordana D.; Bjelaković, Mira S.

(Elsevier, 2020)

TY  - JOUR
AU  - Kop, Tatjana
AU  - Jakovljević, Dragica M.
AU  - Živković, Ljiljana S.
AU  - Žekić, Andrijana
AU  - Beškoski, Vladimir
AU  - Milić, Dragana
AU  - Gojgić-Cvijović, Gordana D.
AU  - Bjelaković, Mira S.
PY  - 2020
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/3803
AB  - An efficient encapsulation of the fullerene into two hydrophobized and one native polysaccharide provided water soluble supramolecular hybrids. After covalent modification of polysaccharides by cholesterol, noncovalent hybrids were prepared by a three-step procedure, including mixing of individual aqueous solutions of hydrophobized, as well as native sugar with solution of the fullerene in pyridine, dialysis and lyophilization. Although the degree of the fullerene incorporation into hydrophobized substrates, cholesterol-levan and cholesterol-pullulan, was lower in comparison to the native polysaccharide levan, hydrophobization provided nanoparticles with improved properties. The particle size distribution, studied by dynamic light scattering and scanning electron microscopy revealed formation of moderately polydisperse aggregates, with the diameter contraction in comparison to the corresponding free polysaccharide, especially in the case of hydrophobized substrates. The morphological examination, done by scanning electron microscopy indicated the self-organization of the fullerene-native polysaccharide to round individual structures, while fullerene-hydrophobized polysaccharide hybrids tend to form networks. The antioxidant activity of the synthesized polysaccharide-C60 noncovalent hybrids versus starting polysaccharides was investigated by the DPPH radical scavenging and the β-carotene-linoleic acid bleaching methods. In all three complexes, the radical scavenging ability of the fullerene remained preserved, and a positive effect of levan hydrophobization was observed.
PB  - Elsevier
T2  - European Polymer Journal
T1  - Polysaccharide-fullerene supramolecular hybrids: Synthesis, characterization and antioxidant activity
VL  - 123
IS  - 109461
DO  - 10.1016/j.eurpolymj.2019.109461
ER  - 
@article{
author = "Kop, Tatjana and Jakovljević, Dragica M. and Živković, Ljiljana S. and Žekić, Andrijana and Beškoski, Vladimir and Milić, Dragana and Gojgić-Cvijović, Gordana D. and Bjelaković, Mira S.",
year = "2020",
abstract = "An efficient encapsulation of the fullerene into two hydrophobized and one native polysaccharide provided water soluble supramolecular hybrids. After covalent modification of polysaccharides by cholesterol, noncovalent hybrids were prepared by a three-step procedure, including mixing of individual aqueous solutions of hydrophobized, as well as native sugar with solution of the fullerene in pyridine, dialysis and lyophilization. Although the degree of the fullerene incorporation into hydrophobized substrates, cholesterol-levan and cholesterol-pullulan, was lower in comparison to the native polysaccharide levan, hydrophobization provided nanoparticles with improved properties. The particle size distribution, studied by dynamic light scattering and scanning electron microscopy revealed formation of moderately polydisperse aggregates, with the diameter contraction in comparison to the corresponding free polysaccharide, especially in the case of hydrophobized substrates. The morphological examination, done by scanning electron microscopy indicated the self-organization of the fullerene-native polysaccharide to round individual structures, while fullerene-hydrophobized polysaccharide hybrids tend to form networks. The antioxidant activity of the synthesized polysaccharide-C60 noncovalent hybrids versus starting polysaccharides was investigated by the DPPH radical scavenging and the β-carotene-linoleic acid bleaching methods. In all three complexes, the radical scavenging ability of the fullerene remained preserved, and a positive effect of levan hydrophobization was observed.",
publisher = "Elsevier",
journal = "European Polymer Journal",
title = "Polysaccharide-fullerene supramolecular hybrids: Synthesis, characterization and antioxidant activity",
volume = "123",
number = "109461",
doi = "10.1016/j.eurpolymj.2019.109461"
}
Kop, T., Jakovljević, D. M., Živković, L. S., Žekić, A., Beškoski, V., Milić, D., Gojgić-Cvijović, G. D.,& Bjelaković, M. S.. (2020). Polysaccharide-fullerene supramolecular hybrids: Synthesis, characterization and antioxidant activity. in European Polymer Journal
Elsevier., 123(109461).
https://doi.org/10.1016/j.eurpolymj.2019.109461
Kop T, Jakovljević DM, Živković LS, Žekić A, Beškoski V, Milić D, Gojgić-Cvijović GD, Bjelaković MS. Polysaccharide-fullerene supramolecular hybrids: Synthesis, characterization and antioxidant activity. in European Polymer Journal. 2020;123(109461).
doi:10.1016/j.eurpolymj.2019.109461 .
Kop, Tatjana, Jakovljević, Dragica M., Živković, Ljiljana S., Žekić, Andrijana, Beškoski, Vladimir, Milić, Dragana, Gojgić-Cvijović, Gordana D., Bjelaković, Mira S., "Polysaccharide-fullerene supramolecular hybrids: Synthesis, characterization and antioxidant activity" in European Polymer Journal, 123, no. 109461 (2020),
https://doi.org/10.1016/j.eurpolymj.2019.109461 . .
8
1
5

Polysaccharide-fullerene supramolecular hybrids: Synthesis, characterization and antioxidant activity

Kop, Tatjana; Jakovljević, Dragica M.; Živković, Ljiljana S.; Žekić, Andrijana; Beškoski, Vladimir; Milić, Dragana; Gojgić-Cvijović, Gordana D.; Bjelaković, Mira

(Elsevier, 2020)

TY  - JOUR
AU  - Kop, Tatjana
AU  - Jakovljević, Dragica M.
AU  - Živković, Ljiljana S.
AU  - Žekić, Andrijana
AU  - Beškoski, Vladimir
AU  - Milić, Dragana
AU  - Gojgić-Cvijović, Gordana D.
AU  - Bjelaković, Mira
PY  - 2020
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/3830
AB  - An efficient encapsulation of the fullerene into two hydrophobized and one native polysaccharide provided water soluble supramolecular hybrids. After covalent modification of polysaccharides by cholesterol, noncovalent hybrids were prepared by a three-step procedure, including mixing of individual aqueous solutions of hydrophobized, as well as native sugar with solution of the fullerene in pyridine, dialysis and lyophilization. Although the degree of the fullerene incorporation into hydrophobized substrates, cholesterol-levan and cholesterol-pullulan, was lower in comparison to the native polysaccharide levan, hydrophobization provided nanoparticles with improved properties. The particle size distribution, studied by dynamic light scattering and scanning electron microscopy revealed formation of moderately polydisperse aggregates, with the diameter contraction in comparison to the corresponding free polysaccharide, especially in the case of hydrophobized substrates. The morphological examination, done by scanning electron microscopy indicated the self-organization of the fullerene-native polysaccharide to round individual structures, while fullerene-hydrophobized polysaccharide hybrids tend to form networks. The antioxidant activity of the synthesized polysaccharide-C60 noncovalent hybrids versus starting polysaccharides was investigated by the DPPH radical scavenging and the β-carotene-linoleic acid bleaching methods. In all three complexes, the radical scavenging ability of the fullerene remained preserved, and a positive effect of levan hydrophobization was observed.
PB  - Elsevier
T2  - European Polymer Journal
T1  - Polysaccharide-fullerene supramolecular hybrids: Synthesis, characterization and antioxidant activity
VL  - 123
SP  - 109461
DO  - 10.1016/j.eurpolymj.2019.109461
ER  - 
@article{
author = "Kop, Tatjana and Jakovljević, Dragica M. and Živković, Ljiljana S. and Žekić, Andrijana and Beškoski, Vladimir and Milić, Dragana and Gojgić-Cvijović, Gordana D. and Bjelaković, Mira",
year = "2020",
abstract = "An efficient encapsulation of the fullerene into two hydrophobized and one native polysaccharide provided water soluble supramolecular hybrids. After covalent modification of polysaccharides by cholesterol, noncovalent hybrids were prepared by a three-step procedure, including mixing of individual aqueous solutions of hydrophobized, as well as native sugar with solution of the fullerene in pyridine, dialysis and lyophilization. Although the degree of the fullerene incorporation into hydrophobized substrates, cholesterol-levan and cholesterol-pullulan, was lower in comparison to the native polysaccharide levan, hydrophobization provided nanoparticles with improved properties. The particle size distribution, studied by dynamic light scattering and scanning electron microscopy revealed formation of moderately polydisperse aggregates, with the diameter contraction in comparison to the corresponding free polysaccharide, especially in the case of hydrophobized substrates. The morphological examination, done by scanning electron microscopy indicated the self-organization of the fullerene-native polysaccharide to round individual structures, while fullerene-hydrophobized polysaccharide hybrids tend to form networks. The antioxidant activity of the synthesized polysaccharide-C60 noncovalent hybrids versus starting polysaccharides was investigated by the DPPH radical scavenging and the β-carotene-linoleic acid bleaching methods. In all three complexes, the radical scavenging ability of the fullerene remained preserved, and a positive effect of levan hydrophobization was observed.",
publisher = "Elsevier",
journal = "European Polymer Journal",
title = "Polysaccharide-fullerene supramolecular hybrids: Synthesis, characterization and antioxidant activity",
volume = "123",
pages = "109461",
doi = "10.1016/j.eurpolymj.2019.109461"
}
Kop, T., Jakovljević, D. M., Živković, L. S., Žekić, A., Beškoski, V., Milić, D., Gojgić-Cvijović, G. D.,& Bjelaković, M.. (2020). Polysaccharide-fullerene supramolecular hybrids: Synthesis, characterization and antioxidant activity. in European Polymer Journal
Elsevier., 123, 109461.
https://doi.org/10.1016/j.eurpolymj.2019.109461
Kop T, Jakovljević DM, Živković LS, Žekić A, Beškoski V, Milić D, Gojgić-Cvijović GD, Bjelaković M. Polysaccharide-fullerene supramolecular hybrids: Synthesis, characterization and antioxidant activity. in European Polymer Journal. 2020;123:109461.
doi:10.1016/j.eurpolymj.2019.109461 .
Kop, Tatjana, Jakovljević, Dragica M., Živković, Ljiljana S., Žekić, Andrijana, Beškoski, Vladimir, Milić, Dragana, Gojgić-Cvijović, Gordana D., Bjelaković, Mira, "Polysaccharide-fullerene supramolecular hybrids: Synthesis, characterization and antioxidant activity" in European Polymer Journal, 123 (2020):109461,
https://doi.org/10.1016/j.eurpolymj.2019.109461 . .
8
1
5

Optimization of microbial fuel cell operation using Danube River sediment

Joksimović, Kristina; Žerađanin, Aleksandra; Ranđelović, Danijela; Avdalović, Jelena; Miletić, Srđan B.; Gojgić-Cvijović, Gordana D.; Beškoski, Vladimir

(Elsevier, 2020)

TY  - JOUR
AU  - Joksimović, Kristina
AU  - Žerađanin, Aleksandra
AU  - Ranđelović, Danijela
AU  - Avdalović, Jelena
AU  - Miletić, Srđan B.
AU  - Gojgić-Cvijović, Gordana D.
AU  - Beškoski, Vladimir
PY  - 2020
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/4019
AB  - One of the main global focuses of mankind today is the required switch to new energy sources. Generating energy from waste is one of the potential solutions that can be achieved using microbial fuel cells (MFCs). Microorganisms, thanks to their ability to degrade organic substrates in contaminated environments, could contribute to solving our pollution challenge. The aim of this study was to investigate the potential of sediment with its natural microbiota from the River Danube to optimize electricity generation using MFCs. 16S rRNA gene analysis identified the main bacterial genera in the river sediment, Clostridium, Bacillus and Tepidibacter, which were isolated and cultured in the laboratory. Addition of these cultured microorganisms to the MFC resulted in current density of 192 mA/m3, while the power density was about 8.80 mW/m3. Our study confirms proper selection and enrichment of the microbial community can optimize the amount of current obtainable from river sediment by MFCs.
PB  - Elsevier
T2  - Journal of Power Sources
T2  - Journal of Power SourcesJournal of Power Sources
T1  - Optimization of microbial fuel cell operation using Danube River sediment
VL  - 476
SP  - 228739
DO  - 10.1016/j.jpowsour.2020.228739
ER  - 
@article{
author = "Joksimović, Kristina and Žerađanin, Aleksandra and Ranđelović, Danijela and Avdalović, Jelena and Miletić, Srđan B. and Gojgić-Cvijović, Gordana D. and Beškoski, Vladimir",
year = "2020",
abstract = "One of the main global focuses of mankind today is the required switch to new energy sources. Generating energy from waste is one of the potential solutions that can be achieved using microbial fuel cells (MFCs). Microorganisms, thanks to their ability to degrade organic substrates in contaminated environments, could contribute to solving our pollution challenge. The aim of this study was to investigate the potential of sediment with its natural microbiota from the River Danube to optimize electricity generation using MFCs. 16S rRNA gene analysis identified the main bacterial genera in the river sediment, Clostridium, Bacillus and Tepidibacter, which were isolated and cultured in the laboratory. Addition of these cultured microorganisms to the MFC resulted in current density of 192 mA/m3, while the power density was about 8.80 mW/m3. Our study confirms proper selection and enrichment of the microbial community can optimize the amount of current obtainable from river sediment by MFCs.",
publisher = "Elsevier",
journal = "Journal of Power Sources, Journal of Power SourcesJournal of Power Sources",
title = "Optimization of microbial fuel cell operation using Danube River sediment",
volume = "476",
pages = "228739",
doi = "10.1016/j.jpowsour.2020.228739"
}
Joksimović, K., Žerađanin, A., Ranđelović, D., Avdalović, J., Miletić, S. B., Gojgić-Cvijović, G. D.,& Beškoski, V.. (2020). Optimization of microbial fuel cell operation using Danube River sediment. in Journal of Power Sources
Elsevier., 476, 228739.
https://doi.org/10.1016/j.jpowsour.2020.228739
Joksimović K, Žerađanin A, Ranđelović D, Avdalović J, Miletić SB, Gojgić-Cvijović GD, Beškoski V. Optimization of microbial fuel cell operation using Danube River sediment. in Journal of Power Sources. 2020;476:228739.
doi:10.1016/j.jpowsour.2020.228739 .
Joksimović, Kristina, Žerađanin, Aleksandra, Ranđelović, Danijela, Avdalović, Jelena, Miletić, Srđan B., Gojgić-Cvijović, Gordana D., Beškoski, Vladimir, "Optimization of microbial fuel cell operation using Danube River sediment" in Journal of Power Sources, 476 (2020):228739,
https://doi.org/10.1016/j.jpowsour.2020.228739 . .
3
1
1

Optimization of microbial fuel cell operation using Danube River sediment

Joksimović, Kristina; Žerađanin, Aleksandra; Ranđelović, Danijela; Avdalović, Jelena; Miletić, Srđan B.; Gojgić-Cvijović, Gordana D.; Beškoski, Vladimir

(Elsevier, 2020)

TY  - JOUR
AU  - Joksimović, Kristina
AU  - Žerađanin, Aleksandra
AU  - Ranđelović, Danijela
AU  - Avdalović, Jelena
AU  - Miletić, Srđan B.
AU  - Gojgić-Cvijović, Gordana D.
AU  - Beškoski, Vladimir
PY  - 2020
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/4020
AB  - One of the main global focuses of mankind today is the required switch to new energy sources. Generating energy from waste is one of the potential solutions that can be achieved using microbial fuel cells (MFCs). Microorganisms, thanks to their ability to degrade organic substrates in contaminated environments, could contribute to solving our pollution challenge. The aim of this study was to investigate the potential of sediment with its natural microbiota from the River Danube to optimize electricity generation using MFCs. 16S rRNA gene analysis identified the main bacterial genera in the river sediment, Clostridium, Bacillus and Tepidibacter, which were isolated and cultured in the laboratory. Addition of these cultured microorganisms to the MFC resulted in current density of 192 mA/m3, while the power density was about 8.80 mW/m3. Our study confirms proper selection and enrichment of the microbial community can optimize the amount of current obtainable from river sediment by MFCs.
PB  - Elsevier
T2  - Journal of Power Sources
T2  - Journal of Power SourcesJournal of Power Sources
T1  - Optimization of microbial fuel cell operation using Danube River sediment
VL  - 476
SP  - 228739
DO  - 10.1016/j.jpowsour.2020.228739
ER  - 
@article{
author = "Joksimović, Kristina and Žerađanin, Aleksandra and Ranđelović, Danijela and Avdalović, Jelena and Miletić, Srđan B. and Gojgić-Cvijović, Gordana D. and Beškoski, Vladimir",
year = "2020",
abstract = "One of the main global focuses of mankind today is the required switch to new energy sources. Generating energy from waste is one of the potential solutions that can be achieved using microbial fuel cells (MFCs). Microorganisms, thanks to their ability to degrade organic substrates in contaminated environments, could contribute to solving our pollution challenge. The aim of this study was to investigate the potential of sediment with its natural microbiota from the River Danube to optimize electricity generation using MFCs. 16S rRNA gene analysis identified the main bacterial genera in the river sediment, Clostridium, Bacillus and Tepidibacter, which were isolated and cultured in the laboratory. Addition of these cultured microorganisms to the MFC resulted in current density of 192 mA/m3, while the power density was about 8.80 mW/m3. Our study confirms proper selection and enrichment of the microbial community can optimize the amount of current obtainable from river sediment by MFCs.",
publisher = "Elsevier",
journal = "Journal of Power Sources, Journal of Power SourcesJournal of Power Sources",
title = "Optimization of microbial fuel cell operation using Danube River sediment",
volume = "476",
pages = "228739",
doi = "10.1016/j.jpowsour.2020.228739"
}
Joksimović, K., Žerađanin, A., Ranđelović, D., Avdalović, J., Miletić, S. B., Gojgić-Cvijović, G. D.,& Beškoski, V.. (2020). Optimization of microbial fuel cell operation using Danube River sediment. in Journal of Power Sources
Elsevier., 476, 228739.
https://doi.org/10.1016/j.jpowsour.2020.228739
Joksimović K, Žerađanin A, Ranđelović D, Avdalović J, Miletić SB, Gojgić-Cvijović GD, Beškoski V. Optimization of microbial fuel cell operation using Danube River sediment. in Journal of Power Sources. 2020;476:228739.
doi:10.1016/j.jpowsour.2020.228739 .
Joksimović, Kristina, Žerađanin, Aleksandra, Ranđelović, Danijela, Avdalović, Jelena, Miletić, Srđan B., Gojgić-Cvijović, Gordana D., Beškoski, Vladimir, "Optimization of microbial fuel cell operation using Danube River sediment" in Journal of Power Sources, 476 (2020):228739,
https://doi.org/10.1016/j.jpowsour.2020.228739 . .
3
1
1

Evolution of humic acids during ex situ bioremediation on a pilot level: The added value of the microbial activity

Žerađanin, Aleksandra; Avdalović, Jelena; Lješević, Marija; Tešić, Olivera; Miletić, Srđan B.; Vrvić, Miroslav M.; Beškoski, Vladimir

(Serbian Chemical Society, 2020)

TY  - JOUR
AU  - Žerađanin, Aleksandra
AU  - Avdalović, Jelena
AU  - Lješević, Marija
AU  - Tešić, Olivera
AU  - Miletić, Srđan B.
AU  - Vrvić, Miroslav M.
AU  - Beškoski, Vladimir
PY  - 2020
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/4234
AB  - Environmental pollution is a global problem, while bioremediation technology removes pollutants from the environment using microorganisms. This study was aimed at investigating how a bioremediation process affected soil humification. In soil polluted with petroleum and its derivatives that was submitted to bioremediation, besides the total petroleum hydrocarbons and the number of microorganisms, quantitative and qualitative changes of isolated humic acids were determined during the process. The bioremediation of 150 m3 of polluted soil lasted 150 days. The level of total petroleum hydrocarbons decreased by 86.6 %, while the level of humic acids increased by 26.5 %. The elemental analysis showed the reduction of C and the H/C ratio and the increase of O and the O/C ratio of isolated humic acids during the process. The ratio of absorbencies at 465 and 665 nm also increased. Based on this and the Fourier-transform infrared spectra, it was shown that the humic acids isolated at the end of bioremediation were enriched with oxygen functional groups and aromatic structures. This study provides one of the first insights into the relationship between bioremediation and humification, as well as evidence of how hydrocarbon-degrading microorganisms have a significant influence on changes to humic acid structure during bioremediation.
PB  - Serbian Chemical Society
T2  - Journal of the Serbian Chemical Society
T1  - Evolution of humic acids during ex situ bioremediation on a pilot level: The added value of the microbial activity
VL  - 85
IS  - 6
SP  - 821
EP  - 830
DO  - 10.2298/JSC190916131Z
ER  - 
@article{
author = "Žerađanin, Aleksandra and Avdalović, Jelena and Lješević, Marija and Tešić, Olivera and Miletić, Srđan B. and Vrvić, Miroslav M. and Beškoski, Vladimir",
year = "2020",
abstract = "Environmental pollution is a global problem, while bioremediation technology removes pollutants from the environment using microorganisms. This study was aimed at investigating how a bioremediation process affected soil humification. In soil polluted with petroleum and its derivatives that was submitted to bioremediation, besides the total petroleum hydrocarbons and the number of microorganisms, quantitative and qualitative changes of isolated humic acids were determined during the process. The bioremediation of 150 m3 of polluted soil lasted 150 days. The level of total petroleum hydrocarbons decreased by 86.6 %, while the level of humic acids increased by 26.5 %. The elemental analysis showed the reduction of C and the H/C ratio and the increase of O and the O/C ratio of isolated humic acids during the process. The ratio of absorbencies at 465 and 665 nm also increased. Based on this and the Fourier-transform infrared spectra, it was shown that the humic acids isolated at the end of bioremediation were enriched with oxygen functional groups and aromatic structures. This study provides one of the first insights into the relationship between bioremediation and humification, as well as evidence of how hydrocarbon-degrading microorganisms have a significant influence on changes to humic acid structure during bioremediation.",
publisher = "Serbian Chemical Society",
journal = "Journal of the Serbian Chemical Society",
title = "Evolution of humic acids during ex situ bioremediation on a pilot level: The added value of the microbial activity",
volume = "85",
number = "6",
pages = "821-830",
doi = "10.2298/JSC190916131Z"
}
Žerađanin, A., Avdalović, J., Lješević, M., Tešić, O., Miletić, S. B., Vrvić, M. M.,& Beškoski, V.. (2020). Evolution of humic acids during ex situ bioremediation on a pilot level: The added value of the microbial activity. in Journal of the Serbian Chemical Society
Serbian Chemical Society., 85(6), 821-830.
https://doi.org/10.2298/JSC190916131Z
Žerađanin A, Avdalović J, Lješević M, Tešić O, Miletić SB, Vrvić MM, Beškoski V. Evolution of humic acids during ex situ bioremediation on a pilot level: The added value of the microbial activity. in Journal of the Serbian Chemical Society. 2020;85(6):821-830.
doi:10.2298/JSC190916131Z .
Žerađanin, Aleksandra, Avdalović, Jelena, Lješević, Marija, Tešić, Olivera, Miletić, Srđan B., Vrvić, Miroslav M., Beškoski, Vladimir, "Evolution of humic acids during ex situ bioremediation on a pilot level: The added value of the microbial activity" in Journal of the Serbian Chemical Society, 85, no. 6 (2020):821-830,
https://doi.org/10.2298/JSC190916131Z . .

Efficient biodegradation of petroleum n-alkanes and polycyclic aromatic hydrocarbons by polyextremophilic Pseudomonas aeruginosa san ai with multidegradative capacity

Medić, Ana; Lješević, Marija; Inui, Hideyuku; Beškoski, Vladimir; Kojić, Ivan; Stojanović, Ksenija A.; Karadžić, Ivanka M.

(Royal Society of Chemistry, 2020)

TY  - JOUR
AU  - Medić, Ana
AU  - Lješević, Marija
AU  - Inui, Hideyuku
AU  - Beškoski, Vladimir
AU  - Kojić, Ivan
AU  - Stojanović, Ksenija A.
AU  - Karadžić, Ivanka M.
PY  - 2020
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/3995
AB  - Pseudomonas aeruginosa san ai, an alkaliphilic, metallotolerant bacterium, degraded individual selected petroleum compounds, i.e., n-alkanes (n-hexadecane, n-nonadecane) and polycyclic aromatic hydrocarbons (fluorene, phenanthrene, pyrene) with efficiency of 80%, 98%, 96%, 50% and 41%, respectively, at initial concentrations of 20 mg L−1 and in seven days. P. aeruginosa san ai showed a high biodegradative capacity on complex hydrocarbon mixtures, the aliphatic and aromatic fractions from crude oil. The efficiency of P. aeruginosa san ai degradation of crude oil fractions in seven days reached stage 3–4 of the oil biodegradation scale, which ranges from 0 (no biodegradation) to 10 (maximum biodegradation). Identified metabolites concomitant with genomic and enzymatic data indicated the terminal oxidation pathway for the n-alkane degradation, and the salicylate and phthalate pathways for fluorene biodegradation. Polyextremophilic P. aeruginosa san ai, as a biosurfactant producer with multidegradative capacity for hydrocarbons, can be used in an improved strategy for environmental bioremediation of hydrocarbon-contaminated sites, including extreme habitats characterized by low or elevated temperatures, acidic or alkaline pH or high concentrations of heavy metals.
PB  - Royal Society of Chemistry
T2  - RSC Advances
T1  - Efficient biodegradation of petroleum n-alkanes and polycyclic aromatic hydrocarbons by polyextremophilic Pseudomonas aeruginosa san ai with multidegradative capacity
VL  - 10
IS  - 24
SP  - 14060
EP  - 14070
DO  - 10.1039/C9RA10371F
ER  - 
@article{
author = "Medić, Ana and Lješević, Marija and Inui, Hideyuku and Beškoski, Vladimir and Kojić, Ivan and Stojanović, Ksenija A. and Karadžić, Ivanka M.",
year = "2020",
abstract = "Pseudomonas aeruginosa san ai, an alkaliphilic, metallotolerant bacterium, degraded individual selected petroleum compounds, i.e., n-alkanes (n-hexadecane, n-nonadecane) and polycyclic aromatic hydrocarbons (fluorene, phenanthrene, pyrene) with efficiency of 80%, 98%, 96%, 50% and 41%, respectively, at initial concentrations of 20 mg L−1 and in seven days. P. aeruginosa san ai showed a high biodegradative capacity on complex hydrocarbon mixtures, the aliphatic and aromatic fractions from crude oil. The efficiency of P. aeruginosa san ai degradation of crude oil fractions in seven days reached stage 3–4 of the oil biodegradation scale, which ranges from 0 (no biodegradation) to 10 (maximum biodegradation). Identified metabolites concomitant with genomic and enzymatic data indicated the terminal oxidation pathway for the n-alkane degradation, and the salicylate and phthalate pathways for fluorene biodegradation. Polyextremophilic P. aeruginosa san ai, as a biosurfactant producer with multidegradative capacity for hydrocarbons, can be used in an improved strategy for environmental bioremediation of hydrocarbon-contaminated sites, including extreme habitats characterized by low or elevated temperatures, acidic or alkaline pH or high concentrations of heavy metals.",
publisher = "Royal Society of Chemistry",
journal = "RSC Advances",
title = "Efficient biodegradation of petroleum n-alkanes and polycyclic aromatic hydrocarbons by polyextremophilic Pseudomonas aeruginosa san ai with multidegradative capacity",
volume = "10",
number = "24",
pages = "14060-14070",
doi = "10.1039/C9RA10371F"
}
Medić, A., Lješević, M., Inui, H., Beškoski, V., Kojić, I., Stojanović, K. A.,& Karadžić, I. M.. (2020). Efficient biodegradation of petroleum n-alkanes and polycyclic aromatic hydrocarbons by polyextremophilic Pseudomonas aeruginosa san ai with multidegradative capacity. in RSC Advances
Royal Society of Chemistry., 10(24), 14060-14070.
https://doi.org/10.1039/C9RA10371F
Medić A, Lješević M, Inui H, Beškoski V, Kojić I, Stojanović KA, Karadžić IM. Efficient biodegradation of petroleum n-alkanes and polycyclic aromatic hydrocarbons by polyextremophilic Pseudomonas aeruginosa san ai with multidegradative capacity. in RSC Advances. 2020;10(24):14060-14070.
doi:10.1039/C9RA10371F .
Medić, Ana, Lješević, Marija, Inui, Hideyuku, Beškoski, Vladimir, Kojić, Ivan, Stojanović, Ksenija A., Karadžić, Ivanka M., "Efficient biodegradation of petroleum n-alkanes and polycyclic aromatic hydrocarbons by polyextremophilic Pseudomonas aeruginosa san ai with multidegradative capacity" in RSC Advances, 10, no. 24 (2020):14060-14070,
https://doi.org/10.1039/C9RA10371F . .
29
17
27

Supplementary data for the article: Medić, A.; Lješević, M.; Inui, H.; Beškoski, V.; Kojić, I.; Stojanović, K.; Karadžić, I. Efficient Biodegradation of Petroleum N-Alkanes and Polycyclic Aromatic Hydrocarbons by Polyextremophilic Pseudomonas Aeruginosa San Ai with Multidegradative Capacity. RSC Adv. 2020, 10 (24), 14060–14070. https://doi.org/10.1039/C9RA10371F

Medić, Ana; Lješević, Marija; Inui, Hideyuku; Beškoski, Vladimir; Kojić, Ivan; Stojanović, Ksenija A.; Karadžić, Ivanka M.

(Royal Society of Chemistry, 2020)

TY  - DATA
AU  - Medić, Ana
AU  - Lješević, Marija
AU  - Inui, Hideyuku
AU  - Beškoski, Vladimir
AU  - Kojić, Ivan
AU  - Stojanović, Ksenija A.
AU  - Karadžić, Ivanka M.
PY  - 2020
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/3996
PB  - Royal Society of Chemistry
T2  - RSC Advances
T1  - Supplementary data for the article: Medić, A.; Lješević, M.; Inui, H.; Beškoski, V.; Kojić, I.; Stojanović, K.; Karadžić, I. Efficient Biodegradation of Petroleum N-Alkanes and Polycyclic Aromatic Hydrocarbons by Polyextremophilic Pseudomonas Aeruginosa San Ai with Multidegradative Capacity. RSC Adv. 2020, 10 (24), 14060–14070. https://doi.org/10.1039/C9RA10371F
UR  - https://hdl.handle.net/21.15107/rcub_cherry_3996
ER  - 
@misc{
author = "Medić, Ana and Lješević, Marija and Inui, Hideyuku and Beškoski, Vladimir and Kojić, Ivan and Stojanović, Ksenija A. and Karadžić, Ivanka M.",
year = "2020",
publisher = "Royal Society of Chemistry",
journal = "RSC Advances",
title = "Supplementary data for the article: Medić, A.; Lješević, M.; Inui, H.; Beškoski, V.; Kojić, I.; Stojanović, K.; Karadžić, I. Efficient Biodegradation of Petroleum N-Alkanes and Polycyclic Aromatic Hydrocarbons by Polyextremophilic Pseudomonas Aeruginosa San Ai with Multidegradative Capacity. RSC Adv. 2020, 10 (24), 14060–14070. https://doi.org/10.1039/C9RA10371F",
url = "https://hdl.handle.net/21.15107/rcub_cherry_3996"
}
Medić, A., Lješević, M., Inui, H., Beškoski, V., Kojić, I., Stojanović, K. A.,& Karadžić, I. M.. (2020). Supplementary data for the article: Medić, A.; Lješević, M.; Inui, H.; Beškoski, V.; Kojić, I.; Stojanović, K.; Karadžić, I. Efficient Biodegradation of Petroleum N-Alkanes and Polycyclic Aromatic Hydrocarbons by Polyextremophilic Pseudomonas Aeruginosa San Ai with Multidegradative Capacity. RSC Adv. 2020, 10 (24), 14060–14070. https://doi.org/10.1039/C9RA10371F. in RSC Advances
Royal Society of Chemistry..
https://hdl.handle.net/21.15107/rcub_cherry_3996
Medić A, Lješević M, Inui H, Beškoski V, Kojić I, Stojanović KA, Karadžić IM. Supplementary data for the article: Medić, A.; Lješević, M.; Inui, H.; Beškoski, V.; Kojić, I.; Stojanović, K.; Karadžić, I. Efficient Biodegradation of Petroleum N-Alkanes and Polycyclic Aromatic Hydrocarbons by Polyextremophilic Pseudomonas Aeruginosa San Ai with Multidegradative Capacity. RSC Adv. 2020, 10 (24), 14060–14070. https://doi.org/10.1039/C9RA10371F. in RSC Advances. 2020;.
https://hdl.handle.net/21.15107/rcub_cherry_3996 .
Medić, Ana, Lješević, Marija, Inui, Hideyuku, Beškoski, Vladimir, Kojić, Ivan, Stojanović, Ksenija A., Karadžić, Ivanka M., "Supplementary data for the article: Medić, A.; Lješević, M.; Inui, H.; Beškoski, V.; Kojić, I.; Stojanović, K.; Karadžić, I. Efficient Biodegradation of Petroleum N-Alkanes and Polycyclic Aromatic Hydrocarbons by Polyextremophilic Pseudomonas Aeruginosa San Ai with Multidegradative Capacity. RSC Adv. 2020, 10 (24), 14060–14070. https://doi.org/10.1039/C9RA10371F" in RSC Advances (2020),
https://hdl.handle.net/21.15107/rcub_cherry_3996 .

Hydrochemistry of groundwater contaminated by petroleum hydrocarbons: the impact of biodegradation (Vitanovac, Serbia)

Marić, Nenad; Štrbački, Jana; Mrazovac Kurilić, Sanja; Beškoski, Vladimir; Nikić, Zoran; Ignjatović, Snežana; Malbašić, Jovana

(Springer, 2020)

TY  - JOUR
AU  - Marić, Nenad
AU  - Štrbački, Jana
AU  - Mrazovac Kurilić, Sanja
AU  - Beškoski, Vladimir
AU  - Nikić, Zoran
AU  - Ignjatović, Snežana
AU  - Malbašić, Jovana
PY  - 2020
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/4012
AB  - Aquifer contamination by petroleum hydrocarbons leads to measurable changes of groundwater hydrochemistry, primarily due to the microbiological activity. This study analyzes this phenomenon at an historical kerosene-contaminated site in Vitanovac (central Serbia). Due to the long-term hydrocarbon contamination and exposure to aerobic and anaerobic biodegradation mechanisms, the lowest concentrations of O2, NO3−, and SO42− (electron acceptors) and the highest concentrations of Mn and Fe (products of microbial metabolic activity) overlap. The terminal redox-accepting processes in groundwater ranged from oxygen reduction to sulfate reduction. The most anoxic processes were registered in piezometers closest to the source of contamination, as was also confirmed by the redox potential (Eh) measurements. High electrical conductivity values and the highest TOC, SiO2, and Al concentrations also overlap in the contaminated zone close to the source of contamination. Scanning electron microscopy study of quartz grains from the zone undergoing the impact of biodegradation confirmed the occurrence of weathering microscale processes on mineral surfaces. Taking all these factors together, it seems reasonable to assume that microbiological activity has caused the enhanced weathering of silicate minerals.
PB  - Springer
T2  - Environmental Geochemistry and Health
T1  - Hydrochemistry of groundwater contaminated by petroleum hydrocarbons: the impact of biodegradation (Vitanovac, Serbia)
VL  - 42
IS  - 7
SP  - 1921
EP  - 1935
DO  - 10.1007/s10653-019-00462-9
ER  - 
@article{
author = "Marić, Nenad and Štrbački, Jana and Mrazovac Kurilić, Sanja and Beškoski, Vladimir and Nikić, Zoran and Ignjatović, Snežana and Malbašić, Jovana",
year = "2020",
abstract = "Aquifer contamination by petroleum hydrocarbons leads to measurable changes of groundwater hydrochemistry, primarily due to the microbiological activity. This study analyzes this phenomenon at an historical kerosene-contaminated site in Vitanovac (central Serbia). Due to the long-term hydrocarbon contamination and exposure to aerobic and anaerobic biodegradation mechanisms, the lowest concentrations of O2, NO3−, and SO42− (electron acceptors) and the highest concentrations of Mn and Fe (products of microbial metabolic activity) overlap. The terminal redox-accepting processes in groundwater ranged from oxygen reduction to sulfate reduction. The most anoxic processes were registered in piezometers closest to the source of contamination, as was also confirmed by the redox potential (Eh) measurements. High electrical conductivity values and the highest TOC, SiO2, and Al concentrations also overlap in the contaminated zone close to the source of contamination. Scanning electron microscopy study of quartz grains from the zone undergoing the impact of biodegradation confirmed the occurrence of weathering microscale processes on mineral surfaces. Taking all these factors together, it seems reasonable to assume that microbiological activity has caused the enhanced weathering of silicate minerals.",
publisher = "Springer",
journal = "Environmental Geochemistry and Health",
title = "Hydrochemistry of groundwater contaminated by petroleum hydrocarbons: the impact of biodegradation (Vitanovac, Serbia)",
volume = "42",
number = "7",
pages = "1921-1935",
doi = "10.1007/s10653-019-00462-9"
}
Marić, N., Štrbački, J., Mrazovac Kurilić, S., Beškoski, V., Nikić, Z., Ignjatović, S.,& Malbašić, J.. (2020). Hydrochemistry of groundwater contaminated by petroleum hydrocarbons: the impact of biodegradation (Vitanovac, Serbia). in Environmental Geochemistry and Health
Springer., 42(7), 1921-1935.
https://doi.org/10.1007/s10653-019-00462-9
Marić N, Štrbački J, Mrazovac Kurilić S, Beškoski V, Nikić Z, Ignjatović S, Malbašić J. Hydrochemistry of groundwater contaminated by petroleum hydrocarbons: the impact of biodegradation (Vitanovac, Serbia). in Environmental Geochemistry and Health. 2020;42(7):1921-1935.
doi:10.1007/s10653-019-00462-9 .
Marić, Nenad, Štrbački, Jana, Mrazovac Kurilić, Sanja, Beškoski, Vladimir, Nikić, Zoran, Ignjatović, Snežana, Malbašić, Jovana, "Hydrochemistry of groundwater contaminated by petroleum hydrocarbons: the impact of biodegradation (Vitanovac, Serbia)" in Environmental Geochemistry and Health, 42, no. 7 (2020):1921-1935,
https://doi.org/10.1007/s10653-019-00462-9 . .
6
5
5

Antioxidant and Antiproliferative Activity of Allium ursinum and Their Associated Microbiota During Simulated in vitro Digestion in the Presence of Food Matrix

Stanisavljević, Nemanja S.; Soković Bajić, Svetlana; Jovanović, Živko; Matić, Ivana; Tolinački, Maja; Popović, Dušanka; Popović, Nikola; Terzić-Vidojević, Amarela; Golić, Nataša; Beškoski, Vladimir; Samardžić, Jelena

(Frontiers, 2020)

TY  - JOUR
AU  - Stanisavljević, Nemanja S.
AU  - Soković Bajić, Svetlana
AU  - Jovanović, Živko
AU  - Matić, Ivana
AU  - Tolinački, Maja
AU  - Popović, Dušanka
AU  - Popović, Nikola
AU  - Terzić-Vidojević, Amarela
AU  - Golić, Nataša
AU  - Beškoski, Vladimir
AU  - Samardžić, Jelena
PY  - 2020
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/4300
AB  - In this study, for the first time, the comprehensive analysis of antiproliferative and antioxidant activities of ramson, followed by the analysis of its associated microbiota and health-promoting effects of lactic acid bacteria (LAB), was performed. Ramson (Allium ursinum) is recognized as a medicinal plant with a long history of use in traditional medicine due to its antimicrobial and antioxidant activity. In this study the influence of in vitro gastrointestinal digestion on the cytotoxic activity of A. ursinum extracts against human malignant cell lines was demonstrated. Seven sulfur compounds, the degradation products of thiosulfinates, including diallyl disulfide were shown to inhibit proliferation of malignant cells by inducing accumulation within G2/M phase as well as to induce apoptosis through activation of caspase-3 and mitochondrial signaling pathway. Further, the A. ursinum microbiota, particularly LAB with potential probiotic effects, was analyzed by culture-dependent method and culture-independent method [denaturing gradient gel electrophoresis (DGGE)]. The obtained results revealed that the most abundant genera were Streptococcus, Lactobacillus, and Bacillus. The Lactobacillus genus was mainly represented by L. fermentum. The pulsed-field gel electrophoresis (PFGE) analysis revealed the presence of two PFGE pulsotypes. The probiotic potential of the strain L. fermentum BGSR163 belonging to PFGE pulsotype 1 and the strain L. fermentum BGSR227 belonging to the PFGE pulsotype 2 was characterized. The results revealed that both strains are safe for human use, successfully survive the simulated gastrointestinal conditions, have potential to transiently colonize the gastrointestinal tract (GIT) and have a protective immunomodulatory effect, inducing the production of proinflammatory cytokine IL17 and regulatory cytokine IL10, while decreasing the production of proinflammatory cytokine IFN-γ. In conclusion, the results of this study suggest that consumption of A. ursinum might have health-promoting properties, including anticancer effects, while L. fermentum strains isolated from A. ursinum leaves could be used as probiotics for human consumption.
PB  - Frontiers
T2  - Frontiers in Microbiology
T1  - Antioxidant and Antiproliferative Activity of Allium ursinum and Their Associated Microbiota During Simulated in vitro Digestion in the Presence of Food Matrix
VL  - 11
DO  - 10.3389/fmicb.2020.601616
ER  - 
@article{
author = "Stanisavljević, Nemanja S. and Soković Bajić, Svetlana and Jovanović, Živko and Matić, Ivana and Tolinački, Maja and Popović, Dušanka and Popović, Nikola and Terzić-Vidojević, Amarela and Golić, Nataša and Beškoski, Vladimir and Samardžić, Jelena",
year = "2020",
abstract = "In this study, for the first time, the comprehensive analysis of antiproliferative and antioxidant activities of ramson, followed by the analysis of its associated microbiota and health-promoting effects of lactic acid bacteria (LAB), was performed. Ramson (Allium ursinum) is recognized as a medicinal plant with a long history of use in traditional medicine due to its antimicrobial and antioxidant activity. In this study the influence of in vitro gastrointestinal digestion on the cytotoxic activity of A. ursinum extracts against human malignant cell lines was demonstrated. Seven sulfur compounds, the degradation products of thiosulfinates, including diallyl disulfide were shown to inhibit proliferation of malignant cells by inducing accumulation within G2/M phase as well as to induce apoptosis through activation of caspase-3 and mitochondrial signaling pathway. Further, the A. ursinum microbiota, particularly LAB with potential probiotic effects, was analyzed by culture-dependent method and culture-independent method [denaturing gradient gel electrophoresis (DGGE)]. The obtained results revealed that the most abundant genera were Streptococcus, Lactobacillus, and Bacillus. The Lactobacillus genus was mainly represented by L. fermentum. The pulsed-field gel electrophoresis (PFGE) analysis revealed the presence of two PFGE pulsotypes. The probiotic potential of the strain L. fermentum BGSR163 belonging to PFGE pulsotype 1 and the strain L. fermentum BGSR227 belonging to the PFGE pulsotype 2 was characterized. The results revealed that both strains are safe for human use, successfully survive the simulated gastrointestinal conditions, have potential to transiently colonize the gastrointestinal tract (GIT) and have a protective immunomodulatory effect, inducing the production of proinflammatory cytokine IL17 and regulatory cytokine IL10, while decreasing the production of proinflammatory cytokine IFN-γ. In conclusion, the results of this study suggest that consumption of A. ursinum might have health-promoting properties, including anticancer effects, while L. fermentum strains isolated from A. ursinum leaves could be used as probiotics for human consumption.",
publisher = "Frontiers",
journal = "Frontiers in Microbiology",
title = "Antioxidant and Antiproliferative Activity of Allium ursinum and Their Associated Microbiota During Simulated in vitro Digestion in the Presence of Food Matrix",
volume = "11",
doi = "10.3389/fmicb.2020.601616"
}
Stanisavljević, N. S., Soković Bajić, S., Jovanović, Ž., Matić, I., Tolinački, M., Popović, D., Popović, N., Terzić-Vidojević, A., Golić, N., Beškoski, V.,& Samardžić, J.. (2020). Antioxidant and Antiproliferative Activity of Allium ursinum and Their Associated Microbiota During Simulated in vitro Digestion in the Presence of Food Matrix. in Frontiers in Microbiology
Frontiers., 11.
https://doi.org/10.3389/fmicb.2020.601616
Stanisavljević NS, Soković Bajić S, Jovanović Ž, Matić I, Tolinački M, Popović D, Popović N, Terzić-Vidojević A, Golić N, Beškoski V, Samardžić J. Antioxidant and Antiproliferative Activity of Allium ursinum and Their Associated Microbiota During Simulated in vitro Digestion in the Presence of Food Matrix. in Frontiers in Microbiology. 2020;11.
doi:10.3389/fmicb.2020.601616 .
Stanisavljević, Nemanja S., Soković Bajić, Svetlana, Jovanović, Živko, Matić, Ivana, Tolinački, Maja, Popović, Dušanka, Popović, Nikola, Terzić-Vidojević, Amarela, Golić, Nataša, Beškoski, Vladimir, Samardžić, Jelena, "Antioxidant and Antiproliferative Activity of Allium ursinum and Their Associated Microbiota During Simulated in vitro Digestion in the Presence of Food Matrix" in Frontiers in Microbiology, 11 (2020),
https://doi.org/10.3389/fmicb.2020.601616 . .
1
6
5
7

Production of levan by Bacillus licheniformis NS032 in sugar beet molasses-based medium

Gojgić-Cvijović, Gordana D.; Jakovljević, Dragica M.; Lončarević, Branka D.; Todorović, Nevena M.; Pergal, Marija V.; Ćirić, J.; Loos, K.; Beškoski, Vladimir; Vrvić, Miroslav M.

(2019)

TY  - JOUR
AU  - Gojgić-Cvijović, Gordana D.
AU  - Jakovljević, Dragica M.
AU  - Lončarević, Branka D.
AU  - Todorović, Nevena M.
AU  - Pergal, Marija V.
AU  - Ćirić, J.
AU  - Loos, K.
AU  - Beškoski, Vladimir
AU  - Vrvić, Miroslav M.
PY  - 2019
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/350
AB  - The production of levan by Bacillus licheniformis NS032 in a medium based on sugar beet molasses was studied. High polysaccharide yields were produced by using diluted molasses (100–140 g/L of total sugars) with the addition of commercial sucrose up to 200 g/L of total sugars, as well as K2HPO4. A levan yield of 53.2 g/L was obtained on a medium optimized by response surface methodology, containing 62.6% of sugar originating from molasses, and 4.66 g/L of phosphate, with initial pH value of 7.2. In comparison to the media with 200 and 400 g/L sucrose, in the molasses optimized medium, the observed bacterial growth was faster, while the maximum production of polysaccharide was achieved over a shorter time interval (48 h). The polysaccharide produced in molasses medium had a weight average molecular weight of 5.82 × 106 Da, degree of branching 12.68%, viscosity of 0.24 dL/g, and based on methylation analysis and NMR data, it did not significantly differ from levan obtained in the medium with 200 g/L sucrose. © 2018 Elsevier B.V.
T2  - International Journal of Biological Macromolecules
T1  - Production of levan by Bacillus licheniformis NS032 in sugar beet molasses-based medium
VL  - 121
SP  - 142
EP  - 151
DO  - 10.1016/j.ijbiomac.2018.10.019
UR  - Kon_1321
ER  - 
@article{
author = "Gojgić-Cvijović, Gordana D. and Jakovljević, Dragica M. and Lončarević, Branka D. and Todorović, Nevena M. and Pergal, Marija V. and Ćirić, J. and Loos, K. and Beškoski, Vladimir and Vrvić, Miroslav M.",
year = "2019",
abstract = "The production of levan by Bacillus licheniformis NS032 in a medium based on sugar beet molasses was studied. High polysaccharide yields were produced by using diluted molasses (100–140 g/L of total sugars) with the addition of commercial sucrose up to 200 g/L of total sugars, as well as K2HPO4. A levan yield of 53.2 g/L was obtained on a medium optimized by response surface methodology, containing 62.6% of sugar originating from molasses, and 4.66 g/L of phosphate, with initial pH value of 7.2. In comparison to the media with 200 and 400 g/L sucrose, in the molasses optimized medium, the observed bacterial growth was faster, while the maximum production of polysaccharide was achieved over a shorter time interval (48 h). The polysaccharide produced in molasses medium had a weight average molecular weight of 5.82 × 106 Da, degree of branching 12.68%, viscosity of 0.24 dL/g, and based on methylation analysis and NMR data, it did not significantly differ from levan obtained in the medium with 200 g/L sucrose. © 2018 Elsevier B.V.",
journal = "International Journal of Biological Macromolecules",
title = "Production of levan by Bacillus licheniformis NS032 in sugar beet molasses-based medium",
volume = "121",
pages = "142-151",
doi = "10.1016/j.ijbiomac.2018.10.019",
url = "Kon_1321"
}
Gojgić-Cvijović, G. D., Jakovljević, D. M., Lončarević, B. D., Todorović, N. M., Pergal, M. V., Ćirić, J., Loos, K., Beškoski, V.,& Vrvić, M. M.. (2019). Production of levan by Bacillus licheniformis NS032 in sugar beet molasses-based medium. in International Journal of Biological Macromolecules, 121, 142-151.
https://doi.org/10.1016/j.ijbiomac.2018.10.019
Kon_1321
Gojgić-Cvijović GD, Jakovljević DM, Lončarević BD, Todorović NM, Pergal MV, Ćirić J, Loos K, Beškoski V, Vrvić MM. Production of levan by Bacillus licheniformis NS032 in sugar beet molasses-based medium. in International Journal of Biological Macromolecules. 2019;121:142-151.
doi:10.1016/j.ijbiomac.2018.10.019
Kon_1321 .
Gojgić-Cvijović, Gordana D., Jakovljević, Dragica M., Lončarević, Branka D., Todorović, Nevena M., Pergal, Marija V., Ćirić, J., Loos, K., Beškoski, Vladimir, Vrvić, Miroslav M., "Production of levan by Bacillus licheniformis NS032 in sugar beet molasses-based medium" in International Journal of Biological Macromolecules, 121 (2019):142-151,
https://doi.org/10.1016/j.ijbiomac.2018.10.019 .,
Kon_1321 .
31
26
31

Production of levan by Bacillus licheniformis NS032 in sugar beet molasses-based medium

Gojgić-Cvijović, Gordana D.; Jakovljević, Dragica M.; Lončarević, Branka D.; Todorović, Nevena M.; Pergal, Marija V.; Ćirić, J.; Loos, K.; Beškoski, Vladimir; Vrvić, Miroslav M.

(2019)

TY  - JOUR
AU  - Gojgić-Cvijović, Gordana D.
AU  - Jakovljević, Dragica M.
AU  - Lončarević, Branka D.
AU  - Todorović, Nevena M.
AU  - Pergal, Marija V.
AU  - Ćirić, J.
AU  - Loos, K.
AU  - Beškoski, Vladimir
AU  - Vrvić, Miroslav M.
PY  - 2019
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/2799
AB  - The production of levan by Bacillus licheniformis NS032 in a medium based on sugar beet molasses was studied. High polysaccharide yields were produced by using diluted molasses (100–140 g/L of total sugars) with the addition of commercial sucrose up to 200 g/L of total sugars, as well as K2HPO4. A levan yield of 53.2 g/L was obtained on a medium optimized by response surface methodology, containing 62.6% of sugar originating from molasses, and 4.66 g/L of phosphate, with initial pH value of 7.2. In comparison to the media with 200 and 400 g/L sucrose, in the molasses optimized medium, the observed bacterial growth was faster, while the maximum production of polysaccharide was achieved over a shorter time interval (48 h). The polysaccharide produced in molasses medium had a weight average molecular weight of 5.82 × 106 Da, degree of branching 12.68%, viscosity of 0.24 dL/g, and based on methylation analysis and NMR data, it did not significantly differ from levan obtained in the medium with 200 g/L sucrose. © 2018 Elsevier B.V.
T2  - International Journal of Biological Macromolecules
T1  - Production of levan by Bacillus licheniformis NS032 in sugar beet molasses-based medium
VL  - 121
SP  - 142
EP  - 151
DO  - 10.1016/j.ijbiomac.2018.10.019
ER  - 
@article{
author = "Gojgić-Cvijović, Gordana D. and Jakovljević, Dragica M. and Lončarević, Branka D. and Todorović, Nevena M. and Pergal, Marija V. and Ćirić, J. and Loos, K. and Beškoski, Vladimir and Vrvić, Miroslav M.",
year = "2019",
abstract = "The production of levan by Bacillus licheniformis NS032 in a medium based on sugar beet molasses was studied. High polysaccharide yields were produced by using diluted molasses (100–140 g/L of total sugars) with the addition of commercial sucrose up to 200 g/L of total sugars, as well as K2HPO4. A levan yield of 53.2 g/L was obtained on a medium optimized by response surface methodology, containing 62.6% of sugar originating from molasses, and 4.66 g/L of phosphate, with initial pH value of 7.2. In comparison to the media with 200 and 400 g/L sucrose, in the molasses optimized medium, the observed bacterial growth was faster, while the maximum production of polysaccharide was achieved over a shorter time interval (48 h). The polysaccharide produced in molasses medium had a weight average molecular weight of 5.82 × 106 Da, degree of branching 12.68%, viscosity of 0.24 dL/g, and based on methylation analysis and NMR data, it did not significantly differ from levan obtained in the medium with 200 g/L sucrose. © 2018 Elsevier B.V.",
journal = "International Journal of Biological Macromolecules",
title = "Production of levan by Bacillus licheniformis NS032 in sugar beet molasses-based medium",
volume = "121",
pages = "142-151",
doi = "10.1016/j.ijbiomac.2018.10.019"
}
Gojgić-Cvijović, G. D., Jakovljević, D. M., Lončarević, B. D., Todorović, N. M., Pergal, M. V., Ćirić, J., Loos, K., Beškoski, V.,& Vrvić, M. M.. (2019). Production of levan by Bacillus licheniformis NS032 in sugar beet molasses-based medium. in International Journal of Biological Macromolecules, 121, 142-151.
https://doi.org/10.1016/j.ijbiomac.2018.10.019
Gojgić-Cvijović GD, Jakovljević DM, Lončarević BD, Todorović NM, Pergal MV, Ćirić J, Loos K, Beškoski V, Vrvić MM. Production of levan by Bacillus licheniformis NS032 in sugar beet molasses-based medium. in International Journal of Biological Macromolecules. 2019;121:142-151.
doi:10.1016/j.ijbiomac.2018.10.019 .
Gojgić-Cvijović, Gordana D., Jakovljević, Dragica M., Lončarević, Branka D., Todorović, Nevena M., Pergal, Marija V., Ćirić, J., Loos, K., Beškoski, Vladimir, Vrvić, Miroslav M., "Production of levan by Bacillus licheniformis NS032 in sugar beet molasses-based medium" in International Journal of Biological Macromolecules, 121 (2019):142-151,
https://doi.org/10.1016/j.ijbiomac.2018.10.019 . .
29
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30

Supplementary data for the article: Gojgic-Cvijovic, G. D.; Jakovljevic, D. M.; Loncarevic, B. D.; Todorovic, N. M.; Pergal, M. V.; Ciric, J.; Loos, K.; Beškoski, V.; Vrvić, M. M. Production of Levan by Bacillus Licheniformis NS032 in Sugar Beet Molasses-Based Medium. International Journal of Biological Macromolecules 2019, 121, 142–151. https://doi.org/10.1016/j.ijbiomac.2018.10.019

Gojgić-Cvijović, Gordana D.; Jakovljević, Dragica M.; Lončarević, Branka D.; Todorović, Nevena M.; Pergal, Marija V.; Ćirić, J.; Loos, K.; Beškoski, Vladimir; Vrvić, Miroslav M.

(2019)

TY  - DATA
AU  - Gojgić-Cvijović, Gordana D.
AU  - Jakovljević, Dragica M.
AU  - Lončarević, Branka D.
AU  - Todorović, Nevena M.
AU  - Pergal, Marija V.
AU  - Ćirić, J.
AU  - Loos, K.
AU  - Beškoski, Vladimir
AU  - Vrvić, Miroslav M.
PY  - 2019
UR  - https://cherry.chem.bg.ac.rs/handle/123456789/2943
T2  - International Journal of Biological Macromolecules
T1  - Supplementary data for the article: Gojgic-Cvijovic, G. D.; Jakovljevic, D. M.; Loncarevic, B. D.; Todorovic, N. M.; Pergal, M. V.; Ciric, J.; Loos, K.; Beškoski, V.; Vrvić, M. M. Production of Levan by Bacillus Licheniformis NS032 in Sugar Beet Molasses-Based Medium. International Journal of Biological Macromolecules 2019, 121, 142–151. https://doi.org/10.1016/j.ijbiomac.2018.10.019
UR  - https://hdl.handle.net/21.15107/rcub_cherry_2943
ER  - 
@misc{
author = "Gojgić-Cvijović, Gordana D. and Jakovljević, Dragica M. and Lončarević, Branka D. and Todorović, Nevena M. and Pergal, Marija V. and Ćirić, J. and Loos, K. and Beškoski, Vladimir and Vrvić, Miroslav M.",
year = "2019",
journal = "International Journal of Biological Macromolecules",
title = "Supplementary data for the article: Gojgic-Cvijovic, G. D.; Jakovljevic, D. M.; Loncarevic, B. D.; Todorovic, N. M.; Pergal, M. V.; Ciric, J.; Loos, K.; Beškoski, V.; Vrvić, M. M. Production of Levan by Bacillus Licheniformis NS032 in Sugar Beet Molasses-Based Medium. International Journal of Biological Macromolecules 2019, 121, 142–151. https://doi.org/10.1016/j.ijbiomac.2018.10.019",
url = "https://hdl.handle.net/21.15107/rcub_cherry_2943"
}
Gojgić-Cvijović, G. D., Jakovljević, D. M., Lončarević, B. D., Todorović, N. M., Pergal, M. V., Ćirić, J., Loos, K., Beškoski, V.,& Vrvić, M. M.. (2019). Supplementary data for the article: Gojgic-Cvijovic, G. D.; Jakovljevic, D. M.; Loncarevic, B. D.; Todorovic, N. M.; Pergal, M. V.; Ciric, J.; Loos, K.; Beškoski, V.; Vrvić, M. M. Production of Levan by Bacillus Licheniformis NS032 in Sugar Beet Molasses-Based Medium. International Journal of Biological Macromolecules 2019, 121, 142–151. https://doi.org/10.1016/j.ijbiomac.2018.10.019. in International Journal of Biological Macromolecules.
https://hdl.handle.net/21.15107/rcub_cherry_2943
Gojgić-Cvijović GD, Jakovljević DM, Lončarević BD, Todorović NM, Pergal MV, Ćirić J, Loos K, Beškoski V, Vrvić MM. Supplementary data for the article: Gojgic-Cvijovic, G. D.; Jakovljevic, D. M.; Loncarevic, B. D.; Todorovic, N. M.; Pergal, M. V.; Ciric, J.; Loos, K.; Beškoski, V.; Vrvić, M. M. Production of Levan by Bacillus Licheniformis NS032 in Sugar Beet Molasses-Based Medium. International Journal of Biological Macromolecules 2019, 121, 142–151. https://doi.org/10.1016/j.ijbiomac.2018.10.019. in International Journal of Biological Macromolecules. 2019;.
https://hdl.handle.net/21.15107/rcub_cherry_2943 .
Gojgić-Cvijović, Gordana D., Jakovljević, Dragica M., Lončarević, Branka D., Todorović, Nevena M., Pergal, Marija V., Ćirić, J., Loos, K., Beškoski, Vladimir, Vrvić, Miroslav M., "Supplementary data for the article: Gojgic-Cvijovic, G. D.; Jakovljevic, D. M.; Loncarevic, B. D.; Todorovic, N. M.; Pergal, M. V.; Ciric, J.; Loos, K.; Beškoski, V.; Vrvić, M. M. Production of Levan by Bacillus Licheniformis NS032 in Sugar Beet Molasses-Based Medium. International Journal of Biological Macromolecules 2019, 121, 142–151. https://doi.org/10.1016/j.ijbiomac.2018.10.019" in International Journal of Biological Macromolecules (2019),
https://hdl.handle.net/21.15107/rcub_cherry_2943 .