Milošević, Jelica

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orcid::0000-0001-8418-5900
  • Milošević, Jelica (12)
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Author's Bibliography

On the Protein Fibrillation Pathway: Oligomer Intermediates Detection Using ATR-FTIR Spectroscopy

Milošević, Jelica; Prodanović, Radivoje; Polović, Natalija

(MDPI, 2021)

TY  - JOUR
AU  - Milošević, Jelica
AU  - Prodanović, Radivoje
AU  - Polović, Natalija
PY  - 2021
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/4388
AB  - Oligomeric intermediates on the pathway of amyloid fibrillation are suspected as the main cytotoxins responsible for amyloid-related pathogenicity. As they appear to be a part of the lag phase of amyloid fibrillation when analyzed using standard methods such as Thioflavin T (ThT) fluorescence, a more sensitive method is needed for their detection. Here we apply Fourier transform infrared spectroscopy (FTIR) in attenuated total reflectance (ATR) mode for fast and cheap analysis of destabilized hen-egg-white lysozyme solution and detection of oligomer intermediates of amyloid fibrillation. Standard methods of protein aggregation analysis— Thioflavin T (ThT) fluorescence, atomic force microscopy (AFM), and 8-anilinonaphthalene-1-sulphonic acid (ANS) fluorescence were applied and compared to FTIR spectroscopy data. Results show the great potential of FTIR for both, qualitative and quantitative monitoring of oligomer formation based on the secondary structure changes. While oligomer intermediates do not induce significant changes in ThT fluorescence, their secondary structure changes were very prominent. Normalization of specific Amide I region peak intensities by using Amide II peak intensity as an internal standard provides an opportunity to use FTIR spectroscopy for both qualitative and quantitative analysis of biological samples and detection of potentially toxic oligomers, as well as for screening of efficiency of fibrillation procedures.
PB  - MDPI
T2  - Molecules
T1  - On the Protein Fibrillation Pathway: Oligomer Intermediates Detection Using ATR-FTIR Spectroscopy
VL  - 26
IS  - 4
SP  - 970
DO  - 10.3390/molecules26040970
ER  - 
@article{
author = "Milošević, Jelica and Prodanović, Radivoje and Polović, Natalija",
year = "2021",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/4388",
abstract = "Oligomeric intermediates on the pathway of amyloid fibrillation are suspected as the main cytotoxins responsible for amyloid-related pathogenicity. As they appear to be a part of the lag phase of amyloid fibrillation when analyzed using standard methods such as Thioflavin T (ThT) fluorescence, a more sensitive method is needed for their detection. Here we apply Fourier transform infrared spectroscopy (FTIR) in attenuated total reflectance (ATR) mode for fast and cheap analysis of destabilized hen-egg-white lysozyme solution and detection of oligomer intermediates of amyloid fibrillation. Standard methods of protein aggregation analysis— Thioflavin T (ThT) fluorescence, atomic force microscopy (AFM), and 8-anilinonaphthalene-1-sulphonic acid (ANS) fluorescence were applied and compared to FTIR spectroscopy data. Results show the great potential of FTIR for both, qualitative and quantitative monitoring of oligomer formation based on the secondary structure changes. While oligomer intermediates do not induce significant changes in ThT fluorescence, their secondary structure changes were very prominent. Normalization of specific Amide I region peak intensities by using Amide II peak intensity as an internal standard provides an opportunity to use FTIR spectroscopy for both qualitative and quantitative analysis of biological samples and detection of potentially toxic oligomers, as well as for screening of efficiency of fibrillation procedures.",
publisher = "MDPI",
journal = "Molecules",
title = "On the Protein Fibrillation Pathway: Oligomer Intermediates Detection Using ATR-FTIR Spectroscopy",
volume = "26",
number = "4",
pages = "970",
doi = "10.3390/molecules26040970"
}
Milošević, J., Prodanović, R.,& Polović, N. (2021). On the Protein Fibrillation Pathway: Oligomer Intermediates Detection Using ATR-FTIR Spectroscopy.
MoleculesMDPI., 26(4), 970.
https://doi.org/10.3390/molecules26040970
Milošević J, Prodanović R, Polović N. On the Protein Fibrillation Pathway: Oligomer Intermediates Detection Using ATR-FTIR Spectroscopy. Molecules. 2021;26(4):970
Milošević Jelica, Prodanović Radivoje, Polović Natalija, "On the Protein Fibrillation Pathway: Oligomer Intermediates Detection Using ATR-FTIR Spectroscopy" 26, no. 4 (2021):970,
https://doi.org/10.3390/molecules26040970 .

Supporting information for the article: Milošević, J.; Prodanović, R.; Polović, N. On the Protein Fibrillation Pathway: Oligomer Intermediates Detection Using ATR-FTIR Spectroscopy. Molecules, 2021, 26, 4, 970-. https://doi.org/10.3390/molecules26040970

Milošević, Jelica; Prodanović, Radivoje; Polović, Natalija

(MDPI, 2021)

TY  - JOUR
AU  - Milošević, Jelica
AU  - Prodanović, Radivoje
AU  - Polović, Natalija
PY  - 2021
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/4391
PB  - MDPI
T2  - Molecules
T1  - Supporting information for the article: Milošević, J.; Prodanović, R.; Polović, N. On the Protein Fibrillation Pathway: Oligomer Intermediates Detection Using ATR-FTIR Spectroscopy. Molecules, 2021, 26, 4, 970-. https://doi.org/10.3390/molecules26040970
VL  - 26
IS  - 4
SP  - 970
ER  - 
@article{
author = "Milošević, Jelica and Prodanović, Radivoje and Polović, Natalija",
year = "2021",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/4391",
publisher = "MDPI",
journal = "Molecules",
title = "Supporting information for the article: Milošević, J.; Prodanović, R.; Polović, N. On the Protein Fibrillation Pathway: Oligomer Intermediates Detection Using ATR-FTIR Spectroscopy. Molecules, 2021, 26, 4, 970-. https://doi.org/10.3390/molecules26040970",
volume = "26",
number = "4",
pages = "970"
}
Milošević, J., Prodanović, R.,& Polović, N. (2021). Supporting information for the article: Milošević, J.; Prodanović, R.; Polović, N. On the Protein Fibrillation Pathway: Oligomer Intermediates Detection Using ATR-FTIR Spectroscopy. Molecules, 2021, 26, 4, 970-. https://doi.org/10.3390/molecules26040970.
MoleculesMDPI., 26(4), 970.
Milošević J, Prodanović R, Polović N. Supporting information for the article: Milošević, J.; Prodanović, R.; Polović, N. On the Protein Fibrillation Pathway: Oligomer Intermediates Detection Using ATR-FTIR Spectroscopy. Molecules, 2021, 26, 4, 970-. https://doi.org/10.3390/molecules26040970. Molecules. 2021;26(4):970
Milošević Jelica, Prodanović Radivoje, Polović Natalija, "Supporting information for the article: Milošević, J.; Prodanović, R.; Polović, N. On the Protein Fibrillation Pathway: Oligomer Intermediates Detection Using ATR-FTIR Spectroscopy. Molecules, 2021, 26, 4, 970-. https://doi.org/10.3390/molecules26040970" 26, no. 4 (2021):970

Novel approach to the measurement of antithyroglobulin antibodies in human serum – application of the quartz crystal microbalance sensors

Vrhovac, Lidija; Šelemetjev, Sonja A.; Vatić, Saša; Mitrović, Aleksandar; Milošević, Jelica; Lolić, Aleksandar; Beletić, Anđelo D.; Polović, Natalija

(Elsevier, 2021)

TY  - JOUR
AU  - Vrhovac, Lidija
AU  - Šelemetjev, Sonja A.
AU  - Vatić, Saša
AU  - Mitrović, Aleksandar
AU  - Milošević, Jelica
AU  - Lolić, Aleksandar
AU  - Beletić, Anđelo D.
AU  - Polović, Natalija
PY  - 2021
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/4295
AB  - Measurement of antithyroglobulin antibodies (TgAb) is an inevitable laboratory tool in the management of thyroid gland diseases. Currently available immunoassays still have limitations underlying the necessity of the introduction of fast, sensitive, and label-free technologies. Our aim was to develop a method for TgAb measurement in human serum based on the quartz crystal microbalance (QCM) technology. We immobilized thyroglobulin on the surface of Attana LNB Carboxyl sensor chip®, prepared standard curve covering the range of 1–50000 kIU/L, and established optimal measurement conditions. The validation included determination of the detection limit (LOD), functional sensitivity, linearity, precision, as well as the comparison with the results of the radioimmunoassay (RIA). The LOD and functional sensitivity were 4.2 kIU/L and 4.7 kIU/L, respectively. The method was linear in the range of 20–10000 kIU/L. The regression equation for comparison with RIA was CQCM = 1.0056 • CRIA – 24.2778, whereby no significant proportional or systematic difference was present. There was a good agreement with RIA in the classification of patients according to the clinical significance of the results. The developed method has advantages over currently available assays in terms of better LOQ, a higher upper limit of linearity, and precision. The characteristics of the developed method unambiguously show that the application of the QCM biosensors offers a highly reliable novel approach for the measurement of TgAb in human serum.
PB  - Elsevier
T2  - Talanta
T1  - Novel approach to the measurement of antithyroglobulin antibodies in human serum – application of the quartz crystal microbalance sensors
VL  - 223
SP  - 121588
DO  - 10.1016/j.talanta.2020.121588
ER  - 
@article{
author = "Vrhovac, Lidija and Šelemetjev, Sonja A. and Vatić, Saša and Mitrović, Aleksandar and Milošević, Jelica and Lolić, Aleksandar and Beletić, Anđelo D. and Polović, Natalija",
year = "2021",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/4295",
abstract = "Measurement of antithyroglobulin antibodies (TgAb) is an inevitable laboratory tool in the management of thyroid gland diseases. Currently available immunoassays still have limitations underlying the necessity of the introduction of fast, sensitive, and label-free technologies. Our aim was to develop a method for TgAb measurement in human serum based on the quartz crystal microbalance (QCM) technology. We immobilized thyroglobulin on the surface of Attana LNB Carboxyl sensor chip®, prepared standard curve covering the range of 1–50000 kIU/L, and established optimal measurement conditions. The validation included determination of the detection limit (LOD), functional sensitivity, linearity, precision, as well as the comparison with the results of the radioimmunoassay (RIA). The LOD and functional sensitivity were 4.2 kIU/L and 4.7 kIU/L, respectively. The method was linear in the range of 20–10000 kIU/L. The regression equation for comparison with RIA was CQCM = 1.0056 • CRIA – 24.2778, whereby no significant proportional or systematic difference was present. There was a good agreement with RIA in the classification of patients according to the clinical significance of the results. The developed method has advantages over currently available assays in terms of better LOQ, a higher upper limit of linearity, and precision. The characteristics of the developed method unambiguously show that the application of the QCM biosensors offers a highly reliable novel approach for the measurement of TgAb in human serum.",
publisher = "Elsevier",
journal = "Talanta",
title = "Novel approach to the measurement of antithyroglobulin antibodies in human serum – application of the quartz crystal microbalance sensors",
volume = "223",
pages = "121588",
doi = "10.1016/j.talanta.2020.121588"
}
Vrhovac, L., Šelemetjev, S. A., Vatić, S., Mitrović, A., Milošević, J., Lolić, A., Beletić, A. D.,& Polović, N. (2021). Novel approach to the measurement of antithyroglobulin antibodies in human serum – application of the quartz crystal microbalance sensors.
TalantaElsevier., 223, 121588.
https://doi.org/10.1016/j.talanta.2020.121588
Vrhovac L, Šelemetjev SA, Vatić S, Mitrović A, Milošević J, Lolić A, Beletić AD, Polović N. Novel approach to the measurement of antithyroglobulin antibodies in human serum – application of the quartz crystal microbalance sensors. Talanta. 2021;223:121588
Vrhovac Lidija, Šelemetjev Sonja A., Vatić Saša, Mitrović Aleksandar, Milošević Jelica, Lolić Aleksandar, Beletić Anđelo D., Polović Natalija, "Novel approach to the measurement of antithyroglobulin antibodies in human serum – application of the quartz crystal microbalance sensors" 223 (2021):121588,
https://doi.org/10.1016/j.talanta.2020.121588 .

Exploring the potential of infrared spectroscopy in qualitative and quantitative monitoring of ovalbumin amyloid fibrillation

Milošević, Jelica; Petrić, Jovan; Jovčić, Branko; Janković, Brankica; Polović, Natalija

(Elsevier, 2020)

TY  - JOUR
AU  - Milošević, Jelica
AU  - Petrić, Jovan
AU  - Jovčić, Branko
AU  - Janković, Brankica
AU  - Polović, Natalija
PY  - 2020
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/3884
AB  - Amyloid fibrils are highly ordered self-assembled (poly)peptide aggregates with cross-β structural pattern. Ovalbumin was used as a model for exploring the potential of infrared spectroscopy in detecting structural transitions and quantitative monitoring of amyloid fibrillation. Low pH (pH 2) and high temperature (90 °C) over the course of 24 h were conditions applied for amyloid formation. Fibrillation of ovalbumin was monitored by ThT and ANS fluorescence, and SDS PAGE. A significant increase in ThT fluorescence with a plateau reached after 4 h of incubation, without the lag phase, was detected. Structural transitions leading to amyloid fibrillation were analysed using all three Amide regions in ATR-FTIR spectra. Significant changes were detected in Amide I and Amide III region (decrease of α-helix and increase of β-sheet peaks). To establish a fast, precise and simple method for quantitative monitoring of amyloid fibrillation, the Amide I/Amide II ratios of aggregation specific β-sheets (1625 and 1695 cm−1, respectively) with 1540 cm−1 as internal standard were used, resulting in good correlation (R2 = 0.93 and 0.95) with the data observed by monitoring ThT fluorescence. On the other hand, assessing aggregation specific β-sheet contents by self-deconvolution showed lower correlation with ThT fluorescence (R2 = 0.75 and 0.64). Here we examined structural transitions during ovalbumin fibrillation in a qualitative and quantitative manner by exploiting the full potential of Amide regions simultaneously. Secondary structure distribution was monitored using second derivative spectra in Amide I region. A novel, simple mathematical calculation for quantitative monitoring of fibrils formation was presented employing that the increase in low and high frequency aggregation specific β-sheet in Amide I region compared to the internal standard in Amide II region is suitable for fibril formation monitoring.
PB  - Elsevier
T2  - Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
T1  - Exploring the potential of infrared spectroscopy in qualitative and quantitative monitoring of ovalbumin amyloid fibrillation
VL  - 229
DO  - 10.1016/j.saa.2019.117882
ER  - 
@article{
author = "Milošević, Jelica and Petrić, Jovan and Jovčić, Branko and Janković, Brankica and Polović, Natalija",
year = "2020",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/3884",
abstract = "Amyloid fibrils are highly ordered self-assembled (poly)peptide aggregates with cross-β structural pattern. Ovalbumin was used as a model for exploring the potential of infrared spectroscopy in detecting structural transitions and quantitative monitoring of amyloid fibrillation. Low pH (pH 2) and high temperature (90 °C) over the course of 24 h were conditions applied for amyloid formation. Fibrillation of ovalbumin was monitored by ThT and ANS fluorescence, and SDS PAGE. A significant increase in ThT fluorescence with a plateau reached after 4 h of incubation, without the lag phase, was detected. Structural transitions leading to amyloid fibrillation were analysed using all three Amide regions in ATR-FTIR spectra. Significant changes were detected in Amide I and Amide III region (decrease of α-helix and increase of β-sheet peaks). To establish a fast, precise and simple method for quantitative monitoring of amyloid fibrillation, the Amide I/Amide II ratios of aggregation specific β-sheets (1625 and 1695 cm−1, respectively) with 1540 cm−1 as internal standard were used, resulting in good correlation (R2 = 0.93 and 0.95) with the data observed by monitoring ThT fluorescence. On the other hand, assessing aggregation specific β-sheet contents by self-deconvolution showed lower correlation with ThT fluorescence (R2 = 0.75 and 0.64). Here we examined structural transitions during ovalbumin fibrillation in a qualitative and quantitative manner by exploiting the full potential of Amide regions simultaneously. Secondary structure distribution was monitored using second derivative spectra in Amide I region. A novel, simple mathematical calculation for quantitative monitoring of fibrils formation was presented employing that the increase in low and high frequency aggregation specific β-sheet in Amide I region compared to the internal standard in Amide II region is suitable for fibril formation monitoring.",
publisher = "Elsevier",
journal = "Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy",
title = "Exploring the potential of infrared spectroscopy in qualitative and quantitative monitoring of ovalbumin amyloid fibrillation",
volume = "229",
doi = "10.1016/j.saa.2019.117882"
}
Milošević, J., Petrić, J., Jovčić, B., Janković, B.,& Polović, N. (2020). Exploring the potential of infrared spectroscopy in qualitative and quantitative monitoring of ovalbumin amyloid fibrillation.
Spectrochimica Acta - Part A: Molecular and Biomolecular SpectroscopyElsevier., 229.
https://doi.org/10.1016/j.saa.2019.117882
Milošević J, Petrić J, Jovčić B, Janković B, Polović N. Exploring the potential of infrared spectroscopy in qualitative and quantitative monitoring of ovalbumin amyloid fibrillation. Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy. 2020;229
Milošević Jelica, Petrić Jovan, Jovčić Branko, Janković Brankica, Polović Natalija, "Exploring the potential of infrared spectroscopy in qualitative and quantitative monitoring of ovalbumin amyloid fibrillation" 229 (2020),
https://doi.org/10.1016/j.saa.2019.117882 .
3
3
2

Supplementary data for the article: Milošević, J.; Petrić, J.; Jovčić, B.; Janković, B.; Polović, N. Exploring the Potential of Infrared Spectroscopy in Qualitative and Quantitative Monitoring of Ovalbumin Amyloid Fibrillation. Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy 2020, 229. https://doi.org/10.1016/j.saa.2019.117882

Milošević, Jelica; Petrić, Jovan; Jovčić, Branko; Janković, Brankica; Polović, Natalija

(Elsevier, 2020)

TY  - BOOK
AU  - Milošević, Jelica
AU  - Petrić, Jovan
AU  - Jovčić, Branko
AU  - Janković, Brankica
AU  - Polović, Natalija
PY  - 2020
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/3894
PB  - Elsevier
T2  - Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
T1  - Supplementary data for the article: Milošević, J.; Petrić, J.; Jovčić, B.; Janković, B.; Polović, N. Exploring the Potential of Infrared Spectroscopy in Qualitative and Quantitative Monitoring of Ovalbumin Amyloid Fibrillation. Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy 2020, 229. https://doi.org/10.1016/j.saa.2019.117882
ER  - 
@book{
author = "Milošević, Jelica and Petrić, Jovan and Jovčić, Branko and Janković, Brankica and Polović, Natalija",
year = "2020",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/3894",
publisher = "Elsevier",
journal = "Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy",
title = "Supplementary data for the article: Milošević, J.; Petrić, J.; Jovčić, B.; Janković, B.; Polović, N. Exploring the Potential of Infrared Spectroscopy in Qualitative and Quantitative Monitoring of Ovalbumin Amyloid Fibrillation. Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy 2020, 229. https://doi.org/10.1016/j.saa.2019.117882"
}
Milošević, J., Petrić, J., Jovčić, B., Janković, B.,& Polović, N. (2020). Supplementary data for the article: Milošević, J.; Petrić, J.; Jovčić, B.; Janković, B.; Polović, N. Exploring the Potential of Infrared Spectroscopy in Qualitative and Quantitative Monitoring of Ovalbumin Amyloid Fibrillation. Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy 2020, 229. https://doi.org/10.1016/j.saa.2019.117882.
Spectrochimica Acta - Part A: Molecular and Biomolecular SpectroscopyElsevier..
Milošević J, Petrić J, Jovčić B, Janković B, Polović N. Supplementary data for the article: Milošević, J.; Petrić, J.; Jovčić, B.; Janković, B.; Polović, N. Exploring the Potential of Infrared Spectroscopy in Qualitative and Quantitative Monitoring of Ovalbumin Amyloid Fibrillation. Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy 2020, 229. https://doi.org/10.1016/j.saa.2019.117882. Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy. 2020;
Milošević Jelica, Petrić Jovan, Jovčić Branko, Janković Brankica, Polović Natalija, "Supplementary data for the article: Milošević, J.; Petrić, J.; Jovčić, B.; Janković, B.; Polović, N. Exploring the Potential of Infrared Spectroscopy in Qualitative and Quantitative Monitoring of Ovalbumin Amyloid Fibrillation. Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy 2020, 229. https://doi.org/10.1016/j.saa.2019.117882" (2020)

Exploring the potential of infrared spectroscopy in qualitative and quantitative monitoring of ovalbumin amyloid fibrillation

Milošević, Jelica; Petrić, Jovan; Jovčić, Branko; Janković, Brankica; Polović, Natalija

(Elsevier, 2020)

TY  - JOUR
AU  - Milošević, Jelica
AU  - Petrić, Jovan
AU  - Jovčić, Branko
AU  - Janković, Brankica
AU  - Polović, Natalija
PY  - 2020
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/3895
AB  - Amyloid fibrils are highly ordered self-assembled (poly)peptide aggregates with cross-β structural pattern. Ovalbumin was used as a model for exploring the potential of infrared spectroscopy in detecting structural transitions and quantitative monitoring of amyloid fibrillation. Low pH (pH 2) and high temperature (90 °C) over the course of 24 h were conditions applied for amyloid formation. Fibrillation of ovalbumin was monitored by ThT and ANS fluorescence, and SDS PAGE. A significant increase in ThT fluorescence with a plateau reached after 4 h of incubation, without the lag phase, was detected. Structural transitions leading to amyloid fibrillation were analysed using all three Amide regions in ATR-FTIR spectra. Significant changes were detected in Amide I and Amide III region (decrease of α-helix and increase of β-sheet peaks). To establish a fast, precise and simple method for quantitative monitoring of amyloid fibrillation, the Amide I/Amide II ratios of aggregation specific β-sheets (1625 and 1695 cm−1, respectively) with 1540 cm−1 as internal standard were used, resulting in good correlation (R2 = 0.93 and 0.95) with the data observed by monitoring ThT fluorescence. On the other hand, assessing aggregation specific β-sheet contents by self-deconvolution showed lower correlation with ThT fluorescence (R2 = 0.75 and 0.64). Here we examined structural transitions during ovalbumin fibrillation in a qualitative and quantitative manner by exploiting the full potential of Amide regions simultaneously. Secondary structure distribution was monitored using second derivative spectra in Amide I region. A novel, simple mathematical calculation for quantitative monitoring of fibrils formation was presented employing that the increase in low and high frequency aggregation specific β-sheet in Amide I region compared to the internal standard in Amide II region is suitable for fibril formation monitoring.
PB  - Elsevier
T2  - Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
T1  - Exploring the potential of infrared spectroscopy in qualitative and quantitative monitoring of ovalbumin amyloid fibrillation
VL  - 229
DO  - 10.1016/j.saa.2019.117882
ER  - 
@article{
author = "Milošević, Jelica and Petrić, Jovan and Jovčić, Branko and Janković, Brankica and Polović, Natalija",
year = "2020",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/3895",
abstract = "Amyloid fibrils are highly ordered self-assembled (poly)peptide aggregates with cross-β structural pattern. Ovalbumin was used as a model for exploring the potential of infrared spectroscopy in detecting structural transitions and quantitative monitoring of amyloid fibrillation. Low pH (pH 2) and high temperature (90 °C) over the course of 24 h were conditions applied for amyloid formation. Fibrillation of ovalbumin was monitored by ThT and ANS fluorescence, and SDS PAGE. A significant increase in ThT fluorescence with a plateau reached after 4 h of incubation, without the lag phase, was detected. Structural transitions leading to amyloid fibrillation were analysed using all three Amide regions in ATR-FTIR spectra. Significant changes were detected in Amide I and Amide III region (decrease of α-helix and increase of β-sheet peaks). To establish a fast, precise and simple method for quantitative monitoring of amyloid fibrillation, the Amide I/Amide II ratios of aggregation specific β-sheets (1625 and 1695 cm−1, respectively) with 1540 cm−1 as internal standard were used, resulting in good correlation (R2 = 0.93 and 0.95) with the data observed by monitoring ThT fluorescence. On the other hand, assessing aggregation specific β-sheet contents by self-deconvolution showed lower correlation with ThT fluorescence (R2 = 0.75 and 0.64). Here we examined structural transitions during ovalbumin fibrillation in a qualitative and quantitative manner by exploiting the full potential of Amide regions simultaneously. Secondary structure distribution was monitored using second derivative spectra in Amide I region. A novel, simple mathematical calculation for quantitative monitoring of fibrils formation was presented employing that the increase in low and high frequency aggregation specific β-sheet in Amide I region compared to the internal standard in Amide II region is suitable for fibril formation monitoring.",
publisher = "Elsevier",
journal = "Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy",
title = "Exploring the potential of infrared spectroscopy in qualitative and quantitative monitoring of ovalbumin amyloid fibrillation",
volume = "229",
doi = "10.1016/j.saa.2019.117882"
}
Milošević, J., Petrić, J., Jovčić, B., Janković, B.,& Polović, N. (2020). Exploring the potential of infrared spectroscopy in qualitative and quantitative monitoring of ovalbumin amyloid fibrillation.
Spectrochimica Acta - Part A: Molecular and Biomolecular SpectroscopyElsevier., 229.
https://doi.org/10.1016/j.saa.2019.117882
Milošević J, Petrić J, Jovčić B, Janković B, Polović N. Exploring the potential of infrared spectroscopy in qualitative and quantitative monitoring of ovalbumin amyloid fibrillation. Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy. 2020;229
Milošević Jelica, Petrić Jovan, Jovčić Branko, Janković Brankica, Polović Natalija, "Exploring the potential of infrared spectroscopy in qualitative and quantitative monitoring of ovalbumin amyloid fibrillation" 229 (2020),
https://doi.org/10.1016/j.saa.2019.117882 .
3
3
2

Broad range of substrate specificities in papain and fig latex enzymes preparations improve enumeration of Listeria monocytogenes

Vatić, Saša; Mirković, Nemanja; Milošević, Jelica; Jovčić, Branko; Polović, Natalija

(Elsevier, 2020)

TY  - JOUR
AU  - Vatić, Saša
AU  - Mirković, Nemanja
AU  - Milošević, Jelica
AU  - Jovčić, Branko
AU  - Polović, Natalija
PY  - 2020
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/4090
AB  - Numerous applications of proteolytic enzymes include dissociation of fermented meat products for the enumeration of `foodborne pathogenic bacteria. The use of trypsin for this cause is abandoned due to the high concentration of the enzyme affecting released bacteria. Papain, as a suggested replacement, and fig latex preparation with high extent of papain-like enzymes have the potential to be applied for bacteria enumeration. Both enzymatic preparations, originating from papaya and fig, showed a broader range of substrate specificities including gelatinolytic activity, especially prominent in the case of ficin and attributed to both, cysteine protease ficin and serine protease by the analysis of 2D zymography with specific inhibitors. The activity towards native collagen, mild in the case of papain, and extensive in the case of fig latex was proved by structural analysis of digested collagen by infrared spectroscopy. Further exploration of their potential for dissociation of fermented meat products showed that both papain and fig latex enzymes are stable in the presence of detergents Tween 20 and Triton X-100 and effective in the enumeration of Listeria monocytogenes. Gelatenolytic activity, and at least partial collagenolytic activity and stability in procedure conditions make papaya and fig latex proteases potent for this application in significantly lower concentrations than previously used enzymes. As a mixture of proteolytic enzymes with divergent characteristics, fig latex preparation shows higher efficiency in Listeria monocytogenes release than papain, conserved even in the presence of stronger non-ionic detergent Triton X-100.
PB  - Elsevier
T2  - International Journal of Food Microbiology
T1  - Broad range of substrate specificities in papain and fig latex enzymes preparations improve enumeration of Listeria monocytogenes
VL  - 334
SP  - 108851
DO  - 10.1016/j.ijfoodmicro.2020.108851
ER  - 
@article{
author = "Vatić, Saša and Mirković, Nemanja and Milošević, Jelica and Jovčić, Branko and Polović, Natalija",
year = "2020",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/4090",
abstract = "Numerous applications of proteolytic enzymes include dissociation of fermented meat products for the enumeration of `foodborne pathogenic bacteria. The use of trypsin for this cause is abandoned due to the high concentration of the enzyme affecting released bacteria. Papain, as a suggested replacement, and fig latex preparation with high extent of papain-like enzymes have the potential to be applied for bacteria enumeration. Both enzymatic preparations, originating from papaya and fig, showed a broader range of substrate specificities including gelatinolytic activity, especially prominent in the case of ficin and attributed to both, cysteine protease ficin and serine protease by the analysis of 2D zymography with specific inhibitors. The activity towards native collagen, mild in the case of papain, and extensive in the case of fig latex was proved by structural analysis of digested collagen by infrared spectroscopy. Further exploration of their potential for dissociation of fermented meat products showed that both papain and fig latex enzymes are stable in the presence of detergents Tween 20 and Triton X-100 and effective in the enumeration of Listeria monocytogenes. Gelatenolytic activity, and at least partial collagenolytic activity and stability in procedure conditions make papaya and fig latex proteases potent for this application in significantly lower concentrations than previously used enzymes. As a mixture of proteolytic enzymes with divergent characteristics, fig latex preparation shows higher efficiency in Listeria monocytogenes release than papain, conserved even in the presence of stronger non-ionic detergent Triton X-100.",
publisher = "Elsevier",
journal = "International Journal of Food Microbiology",
title = "Broad range of substrate specificities in papain and fig latex enzymes preparations improve enumeration of Listeria monocytogenes",
volume = "334",
pages = "108851",
doi = "10.1016/j.ijfoodmicro.2020.108851"
}
Vatić, S., Mirković, N., Milošević, J., Jovčić, B.,& Polović, N. (2020). Broad range of substrate specificities in papain and fig latex enzymes preparations improve enumeration of Listeria monocytogenes.
International Journal of Food MicrobiologyElsevier., 334, 108851.
https://doi.org/10.1016/j.ijfoodmicro.2020.108851
Vatić S, Mirković N, Milošević J, Jovčić B, Polović N. Broad range of substrate specificities in papain and fig latex enzymes preparations improve enumeration of Listeria monocytogenes. International Journal of Food Microbiology. 2020;334:108851
Vatić Saša, Mirković Nemanja, Milošević Jelica, Jovčić Branko, Polović Natalija, "Broad range of substrate specificities in papain and fig latex enzymes preparations improve enumeration of Listeria monocytogenes" 334 (2020):108851,
https://doi.org/10.1016/j.ijfoodmicro.2020.108851 .
1
1

Supplementary data for the article: Vatić, S.; Mirković, N.; Milošević, J. R.; Jovčić, B.; Polović, N. Đ. Broad Range of Substrate Specificities in Papain and Fig Latex Enzymes Preparations Improve Enumeration of Listeria Monocytogenes. International Journal of Food Microbiology 2020, 334, 108851. https://doi.org/10.1016/j.ijfoodmicro.2020.108851

Vatić, Saša; Mirković, Nemanja; Milošević, Jelica; Jovčić, Branko; Polović, Natalija

(Elsevier, 2020)

TY  - BOOK
AU  - Vatić, Saša
AU  - Mirković, Nemanja
AU  - Milošević, Jelica
AU  - Jovčić, Branko
AU  - Polović, Natalija
PY  - 2020
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/4091
PB  - Elsevier
T2  - International Journal of Food Microbiology
T1  - Supplementary data for the article: Vatić, S.; Mirković, N.; Milošević, J. R.; Jovčić, B.; Polović, N. Đ. Broad Range of Substrate Specificities in Papain and Fig Latex Enzymes Preparations Improve Enumeration of Listeria Monocytogenes. International Journal of Food Microbiology 2020, 334, 108851. https://doi.org/10.1016/j.ijfoodmicro.2020.108851
ER  - 
@book{
author = "Vatić, Saša and Mirković, Nemanja and Milošević, Jelica and Jovčić, Branko and Polović, Natalija",
year = "2020",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/4091",
publisher = "Elsevier",
journal = "International Journal of Food Microbiology",
title = "Supplementary data for the article: Vatić, S.; Mirković, N.; Milošević, J. R.; Jovčić, B.; Polović, N. Đ. Broad Range of Substrate Specificities in Papain and Fig Latex Enzymes Preparations Improve Enumeration of Listeria Monocytogenes. International Journal of Food Microbiology 2020, 334, 108851. https://doi.org/10.1016/j.ijfoodmicro.2020.108851"
}
Vatić, S., Mirković, N., Milošević, J., Jovčić, B.,& Polović, N. (2020). Supplementary data for the article: Vatić, S.; Mirković, N.; Milošević, J. R.; Jovčić, B.; Polović, N. Đ. Broad Range of Substrate Specificities in Papain and Fig Latex Enzymes Preparations Improve Enumeration of Listeria Monocytogenes. International Journal of Food Microbiology 2020, 334, 108851. https://doi.org/10.1016/j.ijfoodmicro.2020.108851.
International Journal of Food MicrobiologyElsevier..
Vatić S, Mirković N, Milošević J, Jovčić B, Polović N. Supplementary data for the article: Vatić, S.; Mirković, N.; Milošević, J. R.; Jovčić, B.; Polović, N. Đ. Broad Range of Substrate Specificities in Papain and Fig Latex Enzymes Preparations Improve Enumeration of Listeria Monocytogenes. International Journal of Food Microbiology 2020, 334, 108851. https://doi.org/10.1016/j.ijfoodmicro.2020.108851. International Journal of Food Microbiology. 2020;
Vatić Saša, Mirković Nemanja, Milošević Jelica, Jovčić Branko, Polović Natalija, "Supplementary data for the article: Vatić, S.; Mirković, N.; Milošević, J. R.; Jovčić, B.; Polović, N. Đ. Broad Range of Substrate Specificities in Papain and Fig Latex Enzymes Preparations Improve Enumeration of Listeria Monocytogenes. International Journal of Food Microbiology 2020, 334, 108851. https://doi.org/10.1016/j.ijfoodmicro.2020.108851" (2020)

Isolation, identification, and stability of Ficin 1c isoform from fig latex

Milošević, Jelica; Vrhovac, Lidija; Đurković, Filip; Janković, Brankica; Malkov, Saša; Lah, Jurij; Polović, Natalija

(Royal Society of Chemistry, 2020)

TY  - JOUR
AU  - Milošević, Jelica
AU  - Vrhovac, Lidija
AU  - Đurković, Filip
AU  - Janković, Brankica
AU  - Malkov, Saša
AU  - Lah, Jurij
AU  - Polović, Natalija
PY  - 2020
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/4264
AB  - Latex of common fig (Ficus carica) is a rich protein source with a high level of proteolytic activity contributing to its defensive role. The divergent group of cysteine proteases known as ficin (EC 3.4.22.3) represents the majority of latex protein content and shows activity towards fig parasites. Both classical and novel biochemical techniques suggest the intricate pattern of ficin expression and activity profiles. Even though structurally related, different ficin isoforms show some differences in pI values enabling their separation using ion-exchangers. A single alkaline isoform was purified and identified based on the available transcriptomic data as Ficin 1c. This isoform shows both general proteolytic and gelatinolytic activity suggesting a biological role in the degradation of a broad range of natural substrates. The insight into the Ficin 1c structure also provided some functional clues. The secondary structure content and the overall fold are similar to related proteases of the same and other plant sources resulting in similar unfolding routes. Stability assessment of Ficin 1c in comparison to ficin isoform mixture showed that isoform diversity might lead to increased protease stability.
PB  - Royal Society of Chemistry
T2  - New Journal of Chemistry
T1  - Isolation, identification, and stability of Ficin 1c isoform from fig latex
VL  - 44
IS  - 36
SP  - 15716
EP  - 15723
DO  - 10.1039/D0NJ02938F
ER  - 
@article{
author = "Milošević, Jelica and Vrhovac, Lidija and Đurković, Filip and Janković, Brankica and Malkov, Saša and Lah, Jurij and Polović, Natalija",
year = "2020",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/4264",
abstract = "Latex of common fig (Ficus carica) is a rich protein source with a high level of proteolytic activity contributing to its defensive role. The divergent group of cysteine proteases known as ficin (EC 3.4.22.3) represents the majority of latex protein content and shows activity towards fig parasites. Both classical and novel biochemical techniques suggest the intricate pattern of ficin expression and activity profiles. Even though structurally related, different ficin isoforms show some differences in pI values enabling their separation using ion-exchangers. A single alkaline isoform was purified and identified based on the available transcriptomic data as Ficin 1c. This isoform shows both general proteolytic and gelatinolytic activity suggesting a biological role in the degradation of a broad range of natural substrates. The insight into the Ficin 1c structure also provided some functional clues. The secondary structure content and the overall fold are similar to related proteases of the same and other plant sources resulting in similar unfolding routes. Stability assessment of Ficin 1c in comparison to ficin isoform mixture showed that isoform diversity might lead to increased protease stability.",
publisher = "Royal Society of Chemistry",
journal = "New Journal of Chemistry",
title = "Isolation, identification, and stability of Ficin 1c isoform from fig latex",
volume = "44",
number = "36",
pages = "15716-15723",
doi = "10.1039/D0NJ02938F"
}
Milošević, J., Vrhovac, L., Đurković, F., Janković, B., Malkov, S., Lah, J.,& Polović, N. (2020). Isolation, identification, and stability of Ficin 1c isoform from fig latex.
New Journal of ChemistryRoyal Society of Chemistry., 44(36), 15716-15723.
https://doi.org/10.1039/D0NJ02938F
Milošević J, Vrhovac L, Đurković F, Janković B, Malkov S, Lah J, Polović N. Isolation, identification, and stability of Ficin 1c isoform from fig latex. New Journal of Chemistry. 2020;44(36):15716-15723
Milošević Jelica, Vrhovac Lidija, Đurković Filip, Janković Brankica, Malkov Saša, Lah Jurij, Polović Natalija, "Isolation, identification, and stability of Ficin 1c isoform from fig latex" 44, no. 36 (2020):15716-15723,
https://doi.org/10.1039/D0NJ02938F .
2
1
2

Isolation, identification, and stability of Ficin 1c isoform from fig latex

Milošević, Jelica; Vrhovac, Lidija; Đurković, Filip; Janković, Brankica; Malkov, Saša; Lah, Jurij; Polović, Natalija

(Royal Society of Chemistry, 2020)

TY  - JOUR
AU  - Milošević, Jelica
AU  - Vrhovac, Lidija
AU  - Đurković, Filip
AU  - Janković, Brankica
AU  - Malkov, Saša
AU  - Lah, Jurij
AU  - Polović, Natalija
PY  - 2020
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/4265
AB  - Latex of common fig (Ficus carica) is a rich protein source with a high level of proteolytic activity contributing to its defensive role. The divergent group of cysteine proteases known as ficin (EC 3.4.22.3) represents the majority of latex protein content and shows activity towards fig parasites. Both classical and novel biochemical techniques suggest the intricate pattern of ficin expression and activity profiles. Even though structurally related, different ficin isoforms show some differences in pI values enabling their separation using ion-exchangers. A single alkaline isoform was purified and identified based on the available transcriptomic data as Ficin 1c. This isoform shows both general proteolytic and gelatinolytic activity suggesting a biological role in the degradation of a broad range of natural substrates. The insight into the Ficin 1c structure also provided some functional clues. The secondary structure content and the overall fold are similar to related proteases of the same and other plant sources resulting in similar unfolding routes. Stability assessment of Ficin 1c in comparison to ficin isoform mixture showed that isoform diversity might lead to increased protease stability.
PB  - Royal Society of Chemistry
T2  - New Journal of Chemistry
T1  - Isolation, identification, and stability of Ficin 1c isoform from fig latex
VL  - 44
IS  - 36
SP  - 15716
EP  - 15723
DO  - 10.1039/D0NJ02938F
ER  - 
@article{
author = "Milošević, Jelica and Vrhovac, Lidija and Đurković, Filip and Janković, Brankica and Malkov, Saša and Lah, Jurij and Polović, Natalija",
year = "2020",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/4265",
abstract = "Latex of common fig (Ficus carica) is a rich protein source with a high level of proteolytic activity contributing to its defensive role. The divergent group of cysteine proteases known as ficin (EC 3.4.22.3) represents the majority of latex protein content and shows activity towards fig parasites. Both classical and novel biochemical techniques suggest the intricate pattern of ficin expression and activity profiles. Even though structurally related, different ficin isoforms show some differences in pI values enabling their separation using ion-exchangers. A single alkaline isoform was purified and identified based on the available transcriptomic data as Ficin 1c. This isoform shows both general proteolytic and gelatinolytic activity suggesting a biological role in the degradation of a broad range of natural substrates. The insight into the Ficin 1c structure also provided some functional clues. The secondary structure content and the overall fold are similar to related proteases of the same and other plant sources resulting in similar unfolding routes. Stability assessment of Ficin 1c in comparison to ficin isoform mixture showed that isoform diversity might lead to increased protease stability.",
publisher = "Royal Society of Chemistry",
journal = "New Journal of Chemistry",
title = "Isolation, identification, and stability of Ficin 1c isoform from fig latex",
volume = "44",
number = "36",
pages = "15716-15723",
doi = "10.1039/D0NJ02938F"
}
Milošević, J., Vrhovac, L., Đurković, F., Janković, B., Malkov, S., Lah, J.,& Polović, N. (2020). Isolation, identification, and stability of Ficin 1c isoform from fig latex.
New Journal of ChemistryRoyal Society of Chemistry., 44(36), 15716-15723.
https://doi.org/10.1039/D0NJ02938F
Milošević J, Vrhovac L, Đurković F, Janković B, Malkov S, Lah J, Polović N. Isolation, identification, and stability of Ficin 1c isoform from fig latex. New Journal of Chemistry. 2020;44(36):15716-15723
Milošević Jelica, Vrhovac Lidija, Đurković Filip, Janković Brankica, Malkov Saša, Lah Jurij, Polović Natalija, "Isolation, identification, and stability of Ficin 1c isoform from fig latex" 44, no. 36 (2020):15716-15723,
https://doi.org/10.1039/D0NJ02938F .
2
1
2

Comparative stability of ficin and papain in acidic conditions and the presence of ethanol

Milošević, Jelica; Janković, Brankica; Prodanović, Radivoje; Polović, Natalija

(Springer, 2019)

TY  - JOUR
AU  - Milošević, Jelica
AU  - Janković, Brankica
AU  - Prodanović, Radivoje
AU  - Polović, Natalija
PY  - 2019
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/3932
AB  - Proteolytic enzymes are used for proteolysis and peptide synthesis which can be run in various conditions including low pH value and the presence of ethanol. The most common cysteine protease applied in acidic-alcoholic conditions is well-characterized papain. Ficin, which is closely related to papain in terms of proteolytic activity and substrate specificity, could potentially be applied in the alcoholic beverage industry and peptide synthesis. The aim of this study was to compare papain and ficin stability in process conditions. Comparative stability study showed that ficin as a mixture of different isoforms has a broader range of stability in respect of pH and cold storage stability, in comparison to papain. It retains about 70% of initial activity after 3-week cold storage at low pH and in the presence of ethanol. Unlike ficin, papain loses about 70% of initial activity in the same incubation period as it is more prone to non-native aggregation that was confirmed by FTIR analysis. The presence of multiple isoforms of ficin stabilizes the protease against cold denaturation and aggregation, making it more suitable for biotechnological and laboratory usage than single papain isoform. It is more cold-stable in alcoholic-acidic and acidic conditions suggesting possible replacement of papain with even lower enzyme concentration.
PB  - Springer
T2  - Amino Acids
T1  - Comparative stability of ficin and papain in acidic conditions and the presence of ethanol
VL  - 51
IS  - 5
SP  - 829
EP  - 838
DO  - 10.1007/s00726-019-02724-3
ER  - 
@article{
author = "Milošević, Jelica and Janković, Brankica and Prodanović, Radivoje and Polović, Natalija",
year = "2019",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/3932",
abstract = "Proteolytic enzymes are used for proteolysis and peptide synthesis which can be run in various conditions including low pH value and the presence of ethanol. The most common cysteine protease applied in acidic-alcoholic conditions is well-characterized papain. Ficin, which is closely related to papain in terms of proteolytic activity and substrate specificity, could potentially be applied in the alcoholic beverage industry and peptide synthesis. The aim of this study was to compare papain and ficin stability in process conditions. Comparative stability study showed that ficin as a mixture of different isoforms has a broader range of stability in respect of pH and cold storage stability, in comparison to papain. It retains about 70% of initial activity after 3-week cold storage at low pH and in the presence of ethanol. Unlike ficin, papain loses about 70% of initial activity in the same incubation period as it is more prone to non-native aggregation that was confirmed by FTIR analysis. The presence of multiple isoforms of ficin stabilizes the protease against cold denaturation and aggregation, making it more suitable for biotechnological and laboratory usage than single papain isoform. It is more cold-stable in alcoholic-acidic and acidic conditions suggesting possible replacement of papain with even lower enzyme concentration.",
publisher = "Springer",
journal = "Amino Acids",
title = "Comparative stability of ficin and papain in acidic conditions and the presence of ethanol",
volume = "51",
number = "5",
pages = "829-838",
doi = "10.1007/s00726-019-02724-3"
}
Milošević, J., Janković, B., Prodanović, R.,& Polović, N. (2019). Comparative stability of ficin and papain in acidic conditions and the presence of ethanol.
Amino AcidsSpringer., 51(5), 829-838.
https://doi.org/10.1007/s00726-019-02724-3
Milošević J, Janković B, Prodanović R, Polović N. Comparative stability of ficin and papain in acidic conditions and the presence of ethanol. Amino Acids. 2019;51(5):829-838
Milošević Jelica, Janković Brankica, Prodanović Radivoje, Polović Natalija, "Comparative stability of ficin and papain in acidic conditions and the presence of ethanol" 51, no. 5 (2019):829-838,
https://doi.org/10.1007/s00726-019-02724-3 .
6
4
7

Supplementary data for the article: Milošević, J.; Janković, B.; Prodanović, R.; Polović, N. Comparative Stability of Ficin and Papain in Acidic Conditions and the Presence of Ethanol. Amino Acids 2019, 51 (5), 829–838. https://doi.org/10.1007/s00726-019-02724-3

Milošević, Jelica; Janković, Brankica; Prodanović, Radivoje; Polović, Natalija

(Springer, 2019)

TY  - BOOK
AU  - Milošević, Jelica
AU  - Janković, Brankica
AU  - Prodanović, Radivoje
AU  - Polović, Natalija
PY  - 2019
UR  - http://cherry.chem.bg.ac.rs/handle/123456789/3933
PB  - Springer
T2  - Amino Acids
T1  - Supplementary data for the article: Milošević, J.; Janković, B.; Prodanović, R.; Polović, N. Comparative Stability of Ficin and Papain in Acidic Conditions and the Presence of Ethanol. Amino Acids 2019, 51 (5), 829–838. https://doi.org/10.1007/s00726-019-02724-3
ER  - 
@book{
author = "Milošević, Jelica and Janković, Brankica and Prodanović, Radivoje and Polović, Natalija",
year = "2019",
url = "http://cherry.chem.bg.ac.rs/handle/123456789/3933",
publisher = "Springer",
journal = "Amino Acids",
title = "Supplementary data for the article: Milošević, J.; Janković, B.; Prodanović, R.; Polović, N. Comparative Stability of Ficin and Papain in Acidic Conditions and the Presence of Ethanol. Amino Acids 2019, 51 (5), 829–838. https://doi.org/10.1007/s00726-019-02724-3"
}
Milošević, J., Janković, B., Prodanović, R.,& Polović, N. (2019). Supplementary data for the article: Milošević, J.; Janković, B.; Prodanović, R.; Polović, N. Comparative Stability of Ficin and Papain in Acidic Conditions and the Presence of Ethanol. Amino Acids 2019, 51 (5), 829–838. https://doi.org/10.1007/s00726-019-02724-3.
Amino AcidsSpringer..
Milošević J, Janković B, Prodanović R, Polović N. Supplementary data for the article: Milošević, J.; Janković, B.; Prodanović, R.; Polović, N. Comparative Stability of Ficin and Papain in Acidic Conditions and the Presence of Ethanol. Amino Acids 2019, 51 (5), 829–838. https://doi.org/10.1007/s00726-019-02724-3. Amino Acids. 2019;
Milošević Jelica, Janković Brankica, Prodanović Radivoje, Polović Natalija, "Supplementary data for the article: Milošević, J.; Janković, B.; Prodanović, R.; Polović, N. Comparative Stability of Ficin and Papain in Acidic Conditions and the Presence of Ethanol. Amino Acids 2019, 51 (5), 829–838. https://doi.org/10.1007/s00726-019-02724-3" (2019)