Ministry of Science of the Republic of Serbia

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Is the Conventional Interpretation of the Anisotropic Effects of C?C Double Bonds and Aromatic Rings in NMR Spectra in Terms of the p-Electron Shielding/Deshielding Contributions Correct?

Baranac-Stojanović, Marija; Koch, Andreas; Kleinpeter, Erich

(Wiley-Blackwell, Malden, 2012)

TY  - JOUR
AU  - Baranac-Stojanović, Marija
AU  - Koch, Andreas
AU  - Kleinpeter, Erich
PY  - 2012
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/1236
AB  - Based on the nucleus-independent chemical shift (NICS) concept, isotropic magnetic shielding values have been computed along the three Cartesian axes for ethene, cyclobutadiene, benzene, naphthalene, and benzocyclobutadiene, starting from the molecular/ring center up to 10 angstrom away. These through-space NMR spectroscopic shielding (TSNMRS) values, which reflect the anisotropic effects, have been broken down into contributions from localized- and canonical molecular orbitals (LMOs and CMOs); these contributions revealed that the proton NMR spectroscopic chemical shifts of nuclei that are spatially close to the C?C double bond or the aromatic ring should not be explained in terms of the conventionally accepted p-electron shielding/deshielding effects. In fact, these effects followed the predictions only for the antiaromatic cyclobutadiene ring.
PB  - Wiley-Blackwell, Malden
T2  - Chemistry. A European Journal
T1  - Is the Conventional Interpretation of the Anisotropic Effects of C?C Double Bonds and Aromatic Rings in NMR Spectra in Terms of the p-Electron Shielding/Deshielding Contributions Correct?
VL  - 18
IS  - 1
SP  - 370
EP  - 376
DO  - 10.1002/chem.201101882
ER  - 
@article{
author = "Baranac-Stojanović, Marija and Koch, Andreas and Kleinpeter, Erich",
year = "2012",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/1236",
abstract = "Based on the nucleus-independent chemical shift (NICS) concept, isotropic magnetic shielding values have been computed along the three Cartesian axes for ethene, cyclobutadiene, benzene, naphthalene, and benzocyclobutadiene, starting from the molecular/ring center up to 10 angstrom away. These through-space NMR spectroscopic shielding (TSNMRS) values, which reflect the anisotropic effects, have been broken down into contributions from localized- and canonical molecular orbitals (LMOs and CMOs); these contributions revealed that the proton NMR spectroscopic chemical shifts of nuclei that are spatially close to the C?C double bond or the aromatic ring should not be explained in terms of the conventionally accepted p-electron shielding/deshielding effects. In fact, these effects followed the predictions only for the antiaromatic cyclobutadiene ring.",
publisher = "Wiley-Blackwell, Malden",
journal = "Chemistry. A European Journal",
title = "Is the Conventional Interpretation of the Anisotropic Effects of C?C Double Bonds and Aromatic Rings in NMR Spectra in Terms of the p-Electron Shielding/Deshielding Contributions Correct?",
volume = "18",
number = "1",
pages = "370-376",
doi = "10.1002/chem.201101882"
}
Baranac-Stojanović, M., Koch, A.,& Kleinpeter, E. (2012). Is the Conventional Interpretation of the Anisotropic Effects of C?C Double Bonds and Aromatic Rings in NMR Spectra in Terms of the p-Electron Shielding/Deshielding Contributions Correct?.
Chemistry. A European Journal
Wiley-Blackwell, Malden., 18(1), 370-376.
https://doi.org/10.1002/chem.201101882
Baranac-Stojanović M, Koch A, Kleinpeter E. Is the Conventional Interpretation of the Anisotropic Effects of C?C Double Bonds and Aromatic Rings in NMR Spectra in Terms of the p-Electron Shielding/Deshielding Contributions Correct?. Chemistry. A European Journal. 2012;18(1):370-376
Baranac-Stojanović Marija, Koch Andreas, Kleinpeter Erich, "Is the Conventional Interpretation of the Anisotropic Effects of C?C Double Bonds and Aromatic Rings in NMR Spectra in Terms of the p-Electron Shielding/Deshielding Contributions Correct?" Chemistry. A European Journal, 18, no. 1 (2012):370-376,
https://doi.org/10.1002/chem.201101882 .
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Kinetic investigations of the electrochemical bromination of peracetylated D-glucal in organic solvents

Šegan, Dejan M.; Vukicevic, Rastko D.; Šegan, Sandra B.; Šojić, Nešo; Buriez, Olivier; Manojlović, Dragan D.

(Pergamon-Elsevier Science Ltd, Oxford, 2011)

TY  - JOUR
AU  - Šegan, Dejan M.
AU  - Vukicevic, Rastko D.
AU  - Šegan, Sandra B.
AU  - Šojić, Nešo
AU  - Buriez, Olivier
AU  - Manojlović, Dragan D.
PY  - 2011
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/1222
AB  - Cyclic voltammetry and ultramicroelectrodes were used to investigate the kinetic aspects of the electrochemical bromination of 3,4,6-tri-O-acetyl-D-glucal (1) in acetonitrile (AN), dichloromethane (DCM), and dimethylsulfoxide (DMSO). Qualitative and quantitative results, determined notably from the kinetic parameter [glucal]/nu representing the competition between glucal concentration and time, clearly showed that glucal bromination depended on the nature of both the solvent and the in situ electrogenerated reactive brominated species (Br-2 or Br-3(-)) obtained from the oxidation of a bromide salt. It was especially shown that Br-2 reacted more rapidly than Br-3(-) towards (1). On the other hand, the reactivity of both brominated species appeared to follow the solvent polarity order since the highest reactivity was obtained in DMSO whereas the lowest one was found in DCM. (C) 2011 Elsevier Ltd. All rights reserved.
PB  - Pergamon-Elsevier Science Ltd, Oxford
T2  - Electrochimica Acta
T1  - Kinetic investigations of the electrochemical bromination of peracetylated D-glucal in organic solvents
VL  - 56
IS  - 27
SP  - 9968
EP  - 9972
DO  - 10.1016/j.electacta.2011.08.085
ER  - 
@article{
author = "Šegan, Dejan M. and Vukicevic, Rastko D. and Šegan, Sandra B. and Šojić, Nešo and Buriez, Olivier and Manojlović, Dragan D.",
year = "2011",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/1222",
abstract = "Cyclic voltammetry and ultramicroelectrodes were used to investigate the kinetic aspects of the electrochemical bromination of 3,4,6-tri-O-acetyl-D-glucal (1) in acetonitrile (AN), dichloromethane (DCM), and dimethylsulfoxide (DMSO). Qualitative and quantitative results, determined notably from the kinetic parameter [glucal]/nu representing the competition between glucal concentration and time, clearly showed that glucal bromination depended on the nature of both the solvent and the in situ electrogenerated reactive brominated species (Br-2 or Br-3(-)) obtained from the oxidation of a bromide salt. It was especially shown that Br-2 reacted more rapidly than Br-3(-) towards (1). On the other hand, the reactivity of both brominated species appeared to follow the solvent polarity order since the highest reactivity was obtained in DMSO whereas the lowest one was found in DCM. (C) 2011 Elsevier Ltd. All rights reserved.",
publisher = "Pergamon-Elsevier Science Ltd, Oxford",
journal = "Electrochimica Acta",
title = "Kinetic investigations of the electrochemical bromination of peracetylated D-glucal in organic solvents",
volume = "56",
number = "27",
pages = "9968-9972",
doi = "10.1016/j.electacta.2011.08.085"
}
Šegan, D. M., Vukicevic, R. D., Šegan, S. B., Šojić, N., Buriez, O.,& Manojlović, D. D. (2011). Kinetic investigations of the electrochemical bromination of peracetylated D-glucal in organic solvents.
Electrochimica Acta
Pergamon-Elsevier Science Ltd, Oxford., 56(27), 9968-9972.
https://doi.org/10.1016/j.electacta.2011.08.085
Šegan DM, Vukicevic RD, Šegan SB, Šojić N, Buriez O, Manojlović DD. Kinetic investigations of the electrochemical bromination of peracetylated D-glucal in organic solvents. Electrochimica Acta. 2011;56(27):9968-9972
Šegan Dejan M., Vukicevic Rastko D., Šegan Sandra B., Šojić Nešo, Buriez Olivier, Manojlović Dragan D., "Kinetic investigations of the electrochemical bromination of peracetylated D-glucal in organic solvents" Electrochimica Acta, 56, no. 27 (2011):9968-9972,
https://doi.org/10.1016/j.electacta.2011.08.085 .
1
1
1

Quantification of the Aromaticity of 2-Alkylidenethiazolines Subjected to Push-Pull Activity

Baranac-Stojanović, Marija; Keinpeter, Erich

(Amer Chemical Soc, Washington, 2011)

TY  - JOUR
AU  - Baranac-Stojanović, Marija
AU  - Keinpeter, Erich
PY  - 2011
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/1338
AB  - Through-space NMR shieldings (TSNMRSs) of a series of 2-alkylidenethiazolines subjected to push-pull activity have been calculated by the GIAO method employing the nucleus-independent chemical shift (NICS) concept and visualized as iso-chemical-shielding surfaces (ICSSs). The ICSSs were applied to quantify and visualize the degree of aromaticity of the studied compounds, which has been shown to be in excellent correlation with the push-pull behavior, quantified by the quotient (pi*/pi) method. Dissection of the absolute magnetic shielding values into individual contributions of bonds and lone pairs by the natural chemical shielding-natural bond orbital (NCS-NBO) analysis has revealed unexpected details.
PB  - Amer Chemical Soc, Washington
T2  - Journal of Organic Chemistry
T1  - Quantification of the Aromaticity of 2-Alkylidenethiazolines Subjected to Push-Pull Activity
VL  - 76
IS  - 10
SP  - 3861
EP  - 3871
DO  - 10.1021/jo200294f
ER  - 
@article{
author = "Baranac-Stojanović, Marija and Keinpeter, Erich",
year = "2011",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/1338",
abstract = "Through-space NMR shieldings (TSNMRSs) of a series of 2-alkylidenethiazolines subjected to push-pull activity have been calculated by the GIAO method employing the nucleus-independent chemical shift (NICS) concept and visualized as iso-chemical-shielding surfaces (ICSSs). The ICSSs were applied to quantify and visualize the degree of aromaticity of the studied compounds, which has been shown to be in excellent correlation with the push-pull behavior, quantified by the quotient (pi*/pi) method. Dissection of the absolute magnetic shielding values into individual contributions of bonds and lone pairs by the natural chemical shielding-natural bond orbital (NCS-NBO) analysis has revealed unexpected details.",
publisher = "Amer Chemical Soc, Washington",
journal = "Journal of Organic Chemistry",
title = "Quantification of the Aromaticity of 2-Alkylidenethiazolines Subjected to Push-Pull Activity",
volume = "76",
number = "10",
pages = "3861-3871",
doi = "10.1021/jo200294f"
}
Baranac-Stojanović, M.,& Keinpeter, E. (2011). Quantification of the Aromaticity of 2-Alkylidenethiazolines Subjected to Push-Pull Activity.
Journal of Organic Chemistry
Amer Chemical Soc, Washington., 76(10), 3861-3871.
https://doi.org/10.1021/jo200294f
Baranac-Stojanović M, Keinpeter E. Quantification of the Aromaticity of 2-Alkylidenethiazolines Subjected to Push-Pull Activity. Journal of Organic Chemistry. 2011;76(10):3861-3871
Baranac-Stojanović Marija, Keinpeter Erich, "Quantification of the Aromaticity of 2-Alkylidenethiazolines Subjected to Push-Pull Activity" Journal of Organic Chemistry, 76, no. 10 (2011):3861-3871,
https://doi.org/10.1021/jo200294f .
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12

Decolorization of reactive textile dyes using water falling film dielectric barrier discharge

Dojčinović, Biljana P.; Roglić, Goran; Obradović, Bratislav M.; Kuraica, Milorad M.; Kostić, Mirjana M.; Nešić, Jelena; Manojlović, Dragan D.

(Elsevier Science Bv, Amsterdam, 2011)

TY  - JOUR
AU  - Dojčinović, Biljana P.
AU  - Roglić, Goran
AU  - Obradović, Bratislav M.
AU  - Kuraica, Milorad M.
AU  - Kostić, Mirjana M.
AU  - Nešić, Jelena
AU  - Manojlović, Dragan D.
PY  - 2011
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/1184
AB  - Decolorization of reactive textile dyes Reactive Black 5, Reactive Blue 52, Reactive Yellow 125 and Reactive Green 15 was studied using advanced oxidation processes (AOPs) in a non-thermal plasma reactor, based on coaxial water falling film dielectric barrier discharge (DBD). Used initial dye concentrations in the solution were 40.0 and 80.0 mg/L. The effects of different initial pH of dye solutions, and addition of homogeneous catalysts (H(2)O(2), Fe(2+) and Cu(2+)) on the decolorization during subsequent recirculation of dye solution through the DBD reactor, i.e. applied energy density (45-315 kJ/L) were studied. Influence of residence time was investigated over a period of 24 h. Change of pH values and effect of pH adjustments of dye solution after each recirculation on the decolorization was also tested. It was found that the initial pH of dye solutions and pH adjustments of dye solution after each recirculation did not influence the decolorization. The most effective decolorization of 97% was obtained with addition of 10 mM H(2)O(2) in a system of 80.0 mg/L Reactive Black 5 with applied energy density of 45 kJ/L, after residence time of 24 h from plasma treatment. Toxicity was evaluated using the brine shrimp Artemia sauna as a test organism.
PB  - Elsevier Science Bv, Amsterdam
T2  - Journal of Hazardous Materials
T1  - Decolorization of reactive textile dyes using water falling film dielectric barrier discharge
VL  - 192
IS  - 2
SP  - 763
EP  - 771
DO  - 10.1016/j.jhazmat.2011.05.086
ER  - 
@article{
author = "Dojčinović, Biljana P. and Roglić, Goran and Obradović, Bratislav M. and Kuraica, Milorad M. and Kostić, Mirjana M. and Nešić, Jelena and Manojlović, Dragan D.",
year = "2011",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/1184",
abstract = "Decolorization of reactive textile dyes Reactive Black 5, Reactive Blue 52, Reactive Yellow 125 and Reactive Green 15 was studied using advanced oxidation processes (AOPs) in a non-thermal plasma reactor, based on coaxial water falling film dielectric barrier discharge (DBD). Used initial dye concentrations in the solution were 40.0 and 80.0 mg/L. The effects of different initial pH of dye solutions, and addition of homogeneous catalysts (H(2)O(2), Fe(2+) and Cu(2+)) on the decolorization during subsequent recirculation of dye solution through the DBD reactor, i.e. applied energy density (45-315 kJ/L) were studied. Influence of residence time was investigated over a period of 24 h. Change of pH values and effect of pH adjustments of dye solution after each recirculation on the decolorization was also tested. It was found that the initial pH of dye solutions and pH adjustments of dye solution after each recirculation did not influence the decolorization. The most effective decolorization of 97% was obtained with addition of 10 mM H(2)O(2) in a system of 80.0 mg/L Reactive Black 5 with applied energy density of 45 kJ/L, after residence time of 24 h from plasma treatment. Toxicity was evaluated using the brine shrimp Artemia sauna as a test organism.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Journal of Hazardous Materials",
title = "Decolorization of reactive textile dyes using water falling film dielectric barrier discharge",
volume = "192",
number = "2",
pages = "763-771",
doi = "10.1016/j.jhazmat.2011.05.086"
}
Dojčinović, B. P., Roglić, G., Obradović, B. M., Kuraica, M. M., Kostić, M. M., Nešić, J.,& Manojlović, D. D. (2011). Decolorization of reactive textile dyes using water falling film dielectric barrier discharge.
Journal of Hazardous Materials
Elsevier Science Bv, Amsterdam., 192(2), 763-771.
https://doi.org/10.1016/j.jhazmat.2011.05.086
Dojčinović BP, Roglić G, Obradović BM, Kuraica MM, Kostić MM, Nešić J, Manojlović DD. Decolorization of reactive textile dyes using water falling film dielectric barrier discharge. Journal of Hazardous Materials. 2011;192(2):763-771
Dojčinović Biljana P., Roglić Goran, Obradović Bratislav M., Kuraica Milorad M., Kostić Mirjana M., Nešić Jelena, Manojlović Dragan D., "Decolorization of reactive textile dyes using water falling film dielectric barrier discharge" Journal of Hazardous Materials, 192, no. 2 (2011):763-771,
https://doi.org/10.1016/j.jhazmat.2011.05.086 .
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106
132

Trace elements as tracers of environmental pollution in the canal sediments (alluvial formation of the Danube River, Serbia)

Sakan, Sanja M.; Đorđević, Dragana S.; Manojlović, Dragan D.

(Springer, Dordrecht, 2010)

TY  - JOUR
AU  - Sakan, Sanja M.
AU  - Đorđević, Dragana S.
AU  - Manojlović, Dragan D.
PY  - 2010
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/1090
AB  - The purpose of this study was to examine the levels of trace elements and to discuss the origin and mobility of these contaminants in the canal sediments (alluvial formation of the Danube River). The most significant fractions binding all of the studied elements were oxides and silicates. The high proportion of elements in the residual fraction and the generally low contents of extractable elements reflected the background geochemical conditions. The contents of trace elements (except Hg and As) were dominantly controlled by the presence of Fe and Mn oxides as well as by the grain size and the geochemical composition of the sediment. The studied alluvial sediments were not heavily contaminated; there were only few sites where an anthropogenic influence on the concentrations of some metals (Cu, Cd, Zn, and Pb) was noticed. The results from this study show that impact of Panevo industrial zone on the quality of the Danube River and its contamination with trace element is minor.
PB  - Springer, Dordrecht
T2  - Environmental Monitoring and Assessment
T1  - Trace elements as tracers of environmental pollution in the canal sediments (alluvial formation of the Danube River, Serbia)
VL  - 167
IS  - 1-4
SP  - 219
EP  - 233
DO  - 10.1007/s10661-009-1044-0
ER  - 
@article{
author = "Sakan, Sanja M. and Đorđević, Dragana S. and Manojlović, Dragan D.",
year = "2010",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/1090",
abstract = "The purpose of this study was to examine the levels of trace elements and to discuss the origin and mobility of these contaminants in the canal sediments (alluvial formation of the Danube River). The most significant fractions binding all of the studied elements were oxides and silicates. The high proportion of elements in the residual fraction and the generally low contents of extractable elements reflected the background geochemical conditions. The contents of trace elements (except Hg and As) were dominantly controlled by the presence of Fe and Mn oxides as well as by the grain size and the geochemical composition of the sediment. The studied alluvial sediments were not heavily contaminated; there were only few sites where an anthropogenic influence on the concentrations of some metals (Cu, Cd, Zn, and Pb) was noticed. The results from this study show that impact of Panevo industrial zone on the quality of the Danube River and its contamination with trace element is minor.",
publisher = "Springer, Dordrecht",
journal = "Environmental Monitoring and Assessment",
title = "Trace elements as tracers of environmental pollution in the canal sediments (alluvial formation of the Danube River, Serbia)",
volume = "167",
number = "1-4",
pages = "219-233",
doi = "10.1007/s10661-009-1044-0"
}
Sakan, S. M., Đorđević, D. S.,& Manojlović, D. D. (2010). Trace elements as tracers of environmental pollution in the canal sediments (alluvial formation of the Danube River, Serbia).
Environmental Monitoring and Assessment
Springer, Dordrecht., 167(1-4), 219-233.
https://doi.org/10.1007/s10661-009-1044-0
Sakan SM, Đorđević DS, Manojlović DD. Trace elements as tracers of environmental pollution in the canal sediments (alluvial formation of the Danube River, Serbia). Environmental Monitoring and Assessment. 2010;167(1-4):219-233
Sakan Sanja M., Đorđević Dragana S., Manojlović Dragan D., "Trace elements as tracers of environmental pollution in the canal sediments (alluvial formation of the Danube River, Serbia)" Environmental Monitoring and Assessment, 167, no. 1-4 (2010):219-233,
https://doi.org/10.1007/s10661-009-1044-0 .
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20

Structure, configuration, conformation and quantification of the push pull-effect of 2-alkylidene-4-thiazolidinones and 2-alkylidene-4,5-fused bicyclic thiazolidine derivatives

Baranac-Stojanović, Marija; Klaumuenzer, Ute; Marković, Rade; Kleinpeter, Erich

(Pergamon-Elsevier Science Ltd, Oxford, 2010)

TY  - JOUR
AU  - Baranac-Stojanović, Marija
AU  - Klaumuenzer, Ute
AU  - Marković, Rade
AU  - Kleinpeter, Erich
PY  - 2010
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/1135
AB  - Structures of a series of push-pull 2-alkylidene-4-thiazolidinones and 2-alkylidene-4,5-fused bicyclic thiazolidine derivatives were optimized at the B3LYP/6-31G(d) level of theory in the gas phase and discussed with respect to configurational and conformational stability. Employing the GIAO method, C-13 NMR chemical shifts of the C-2, C-2', C-4 and C-5 atoms were calculated at the same level of theory in the gas phase and with inclusion of solvent, and compared with experimental data. Push-pull effect of all compounds was quantified by means of the quotient pi*/pi, length of the partial double bond, C-13 NMR chemical shift difference (Delta delta(C=C)) and H-1 NMR chemical shifts of olefinic protons. The effect of bromine on donating and accepting ability of other substituents of the push-pull C=C double bond is discussed, too. (C) 2010 Elsevier Ltd. All rights reserved.
PB  - Pergamon-Elsevier Science Ltd, Oxford
T2  - Tetrahedron
T1  - Structure, configuration, conformation and quantification of the push pull-effect of 2-alkylidene-4-thiazolidinones and 2-alkylidene-4,5-fused bicyclic thiazolidine derivatives
VL  - 66
IS  - 46
SP  - 8958
EP  - 8967
DO  - 10.1016/j.tet.2010.09.040
ER  - 
@article{
author = "Baranac-Stojanović, Marija and Klaumuenzer, Ute and Marković, Rade and Kleinpeter, Erich",
year = "2010",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/1135",
abstract = "Structures of a series of push-pull 2-alkylidene-4-thiazolidinones and 2-alkylidene-4,5-fused bicyclic thiazolidine derivatives were optimized at the B3LYP/6-31G(d) level of theory in the gas phase and discussed with respect to configurational and conformational stability. Employing the GIAO method, C-13 NMR chemical shifts of the C-2, C-2', C-4 and C-5 atoms were calculated at the same level of theory in the gas phase and with inclusion of solvent, and compared with experimental data. Push-pull effect of all compounds was quantified by means of the quotient pi*/pi, length of the partial double bond, C-13 NMR chemical shift difference (Delta delta(C=C)) and H-1 NMR chemical shifts of olefinic protons. The effect of bromine on donating and accepting ability of other substituents of the push-pull C=C double bond is discussed, too. (C) 2010 Elsevier Ltd. All rights reserved.",
publisher = "Pergamon-Elsevier Science Ltd, Oxford",
journal = "Tetrahedron",
title = "Structure, configuration, conformation and quantification of the push pull-effect of 2-alkylidene-4-thiazolidinones and 2-alkylidene-4,5-fused bicyclic thiazolidine derivatives",
volume = "66",
number = "46",
pages = "8958-8967",
doi = "10.1016/j.tet.2010.09.040"
}
Baranac-Stojanović, M., Klaumuenzer, U., Marković, R.,& Kleinpeter, E. (2010). Structure, configuration, conformation and quantification of the push pull-effect of 2-alkylidene-4-thiazolidinones and 2-alkylidene-4,5-fused bicyclic thiazolidine derivatives.
Tetrahedron
Pergamon-Elsevier Science Ltd, Oxford., 66(46), 8958-8967.
https://doi.org/10.1016/j.tet.2010.09.040
Baranac-Stojanović M, Klaumuenzer U, Marković R, Kleinpeter E. Structure, configuration, conformation and quantification of the push pull-effect of 2-alkylidene-4-thiazolidinones and 2-alkylidene-4,5-fused bicyclic thiazolidine derivatives. Tetrahedron. 2010;66(46):8958-8967
Baranac-Stojanović Marija, Klaumuenzer Ute, Marković Rade, Kleinpeter Erich, "Structure, configuration, conformation and quantification of the push pull-effect of 2-alkylidene-4-thiazolidinones and 2-alkylidene-4,5-fused bicyclic thiazolidine derivatives" Tetrahedron, 66, no. 46 (2010):8958-8967,
https://doi.org/10.1016/j.tet.2010.09.040 .
14
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15

Assessment of heavy metal pollutants accumulation in the Tisza river sediments

Sakan, Sanja M.; Đorđević, Dragana S.; Manojlović, Dragan D.; Predrag, Polic S.

(Academic Press Ltd- Elsevier Science Ltd, London, 2009)

TY  - JOUR
AU  - Sakan, Sanja M.
AU  - Đorđević, Dragana S.
AU  - Manojlović, Dragan D.
AU  - Predrag, Polic S.
PY  - 2009
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/1014
AB  - In this study we have worked on the evaluation of heavy metal contamination in the sediments taken from the Tisza River and its tributaries, and thereby used the sequential extraction method, geochemical normalization, the calculation of the enrichment factor (EF), and the methods of statistical analysis. The chemical fractionation of Ni, Cu, Zn, Cr, Pb, Fe, and Mn, carried out by using the modified Tessier method, points to different substrates and binding mechanisms of Cu, Zn and Pb in sediments of the tributaries and sediments of the Tisza River. The similarities in the distributions of Fe and Ni in all types of sediments are the result of geochemical similarity as well as of the fact that natural sources mainly affect the concentration levels of these elements. The calculated enrichment factors (EF, measured metal vs. background concentrations) indicated that metal contamination (Cu, Pb, Zn and Cr) was recorded in the sediments of the Tisza River, while no indications of pollution were detected in the tributaries of the Tisza River and the surrounding pools. The maximum values of the EF were close to 6 for Cu and Pb (moderately severe enrichment) and close to 4.5 for Zn (indicating moderate enrichment). It can be said that the Tisza River is slightly to moderately severely polluted with Cu, Zn, and Pb, and minorly polluted with Cr. It is concluded that sediments of the Tisza serve as a repository for heavy metal accumulation from adjacent urban and industrial areas. (C) 2009 Elsevier Ltd. All rights reserved.
PB  - Academic Press Ltd- Elsevier Science Ltd, London
T2  - Journal of Environmental Management
T1  - Assessment of heavy metal pollutants accumulation in the Tisza river sediments
VL  - 90
IS  - 11
SP  - 3382
EP  - 3390
DO  - 10.1016/j.jenvman.2009.05.013
ER  - 
@article{
author = "Sakan, Sanja M. and Đorđević, Dragana S. and Manojlović, Dragan D. and Predrag, Polic S.",
year = "2009",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/1014",
abstract = "In this study we have worked on the evaluation of heavy metal contamination in the sediments taken from the Tisza River and its tributaries, and thereby used the sequential extraction method, geochemical normalization, the calculation of the enrichment factor (EF), and the methods of statistical analysis. The chemical fractionation of Ni, Cu, Zn, Cr, Pb, Fe, and Mn, carried out by using the modified Tessier method, points to different substrates and binding mechanisms of Cu, Zn and Pb in sediments of the tributaries and sediments of the Tisza River. The similarities in the distributions of Fe and Ni in all types of sediments are the result of geochemical similarity as well as of the fact that natural sources mainly affect the concentration levels of these elements. The calculated enrichment factors (EF, measured metal vs. background concentrations) indicated that metal contamination (Cu, Pb, Zn and Cr) was recorded in the sediments of the Tisza River, while no indications of pollution were detected in the tributaries of the Tisza River and the surrounding pools. The maximum values of the EF were close to 6 for Cu and Pb (moderately severe enrichment) and close to 4.5 for Zn (indicating moderate enrichment). It can be said that the Tisza River is slightly to moderately severely polluted with Cu, Zn, and Pb, and minorly polluted with Cr. It is concluded that sediments of the Tisza serve as a repository for heavy metal accumulation from adjacent urban and industrial areas. (C) 2009 Elsevier Ltd. All rights reserved.",
publisher = "Academic Press Ltd- Elsevier Science Ltd, London",
journal = "Journal of Environmental Management",
title = "Assessment of heavy metal pollutants accumulation in the Tisza river sediments",
volume = "90",
number = "11",
pages = "3382-3390",
doi = "10.1016/j.jenvman.2009.05.013"
}
Sakan, S. M., Đorđević, D. S., Manojlović, D. D.,& Predrag, P. S. (2009). Assessment of heavy metal pollutants accumulation in the Tisza river sediments.
Journal of Environmental Management
Academic Press Ltd- Elsevier Science Ltd, London., 90(11), 3382-3390.
https://doi.org/10.1016/j.jenvman.2009.05.013
Sakan SM, Đorđević DS, Manojlović DD, Predrag PS. Assessment of heavy metal pollutants accumulation in the Tisza river sediments. Journal of Environmental Management. 2009;90(11):3382-3390
Sakan Sanja M., Đorđević Dragana S., Manojlović Dragan D., Predrag Polic S., "Assessment of heavy metal pollutants accumulation in the Tisza river sediments" Journal of Environmental Management, 90, no. 11 (2009):3382-3390,
https://doi.org/10.1016/j.jenvman.2009.05.013 .
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