TY  - JOUR
AU  - Vuksanović, Jelena
AU  - Todorović, Nina
AU  - Kijevčanin, Mirjana
AU  - Šerbanović, Slobodan P.
AU  - Radović, Ivona
PY  - 2017
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3601
AB  - The ability of non-toxic and biodegradable deep eutectic solvent (DES) choline chloride + DL-malic acid in mole ratio 1: 1, for the breaking of the azeotropes heptane + methanol and toluene + methanol by means of liquid-liquid extraction was evaluated. Ternary liquid-liquid equilibrium experiments were performed at 298.15 K and at atmospheric pressure. Densities, viscosities and refractive indices of DES + methanol and water + DES systems were experimentally determined over a wide temperature range and at atmospheric pressure. Additionally, the viscosities of DES + glycerol mixture were determined at temperatures up to 363.15 K to check how much the addition of glycerol decreases high viscosities of DES. The results indicate that the addition of small amounts of water or glycerol as a third component significantly decreases the viscosity of the investigated deep eutectic solvent. Based on the selectivity and distribution ratio values, the extraction ability of the investigated deep eutectic solvent, in comparison with the conventionally used solvents, yields promising results. Non-random two-liquid (NRTL) and universal quasichemical (UNIQUAC) models were satisfactorily applied for correlation of experimental phase equilibrium data for two ternary mixtures.
PB  - Srpsko hemijsko društvo, Beograd
T2  - Journal of the Serbian Chemical Society
T1  - Experimental investigation and modeling of thermophysical and extraction properties of choline chloride plus DL-malic acid based deep eutectic solvent
EP  - 1302
IS  - 11
SP  - 1287
VL  - 82
DO  - 10.2298/JSC170316054V
ER  - 

@article{
author = "Vuksanović, Jelena and Todorović, Nina and Kijevčanin, Mirjana and Šerbanović, Slobodan P. and Radović, Ivona",
year = "2017",
abstract = "The ability of non-toxic and biodegradable deep eutectic solvent (DES) choline chloride + DL-malic acid in mole ratio 1: 1, for the breaking of the azeotropes heptane + methanol and toluene + methanol by means of liquid-liquid extraction was evaluated. Ternary liquid-liquid equilibrium experiments were performed at 298.15 K and at atmospheric pressure. Densities, viscosities and refractive indices of DES + methanol and water + DES systems were experimentally determined over a wide temperature range and at atmospheric pressure. Additionally, the viscosities of DES + glycerol mixture were determined at temperatures up to 363.15 K to check how much the addition of glycerol decreases high viscosities of DES. The results indicate that the addition of small amounts of water or glycerol as a third component significantly decreases the viscosity of the investigated deep eutectic solvent. Based on the selectivity and distribution ratio values, the extraction ability of the investigated deep eutectic solvent, in comparison with the conventionally used solvents, yields promising results. Non-random two-liquid (NRTL) and universal quasichemical (UNIQUAC) models were satisfactorily applied for correlation of experimental phase equilibrium data for two ternary mixtures.",
publisher = "Srpsko hemijsko društvo, Beograd",
journal = "Journal of the Serbian Chemical Society",
title = "Experimental investigation and modeling of thermophysical and extraction properties of choline chloride plus DL-malic acid based deep eutectic solvent",
pages = "1302-1287",
number = "11",
volume = "82",
doi = "10.2298/JSC170316054V"
}

Vuksanović, J., Todorović, N., Kijevčanin, M., Šerbanović, S. P.,& Radović, I.. (2017). Experimental investigation and modeling of thermophysical and extraction properties of choline chloride plus DL-malic acid based deep eutectic solvent. in Journal of the Serbian Chemical Society
Srpsko hemijsko društvo, Beograd., 82(11), 1287-1302.
https://doi.org/10.2298/JSC170316054V

Vuksanović J, Todorović N, Kijevčanin M, Šerbanović SP, Radović I. Experimental investigation and modeling of thermophysical and extraction properties of choline chloride plus DL-malic acid based deep eutectic solvent. in Journal of the Serbian Chemical Society. 2017;82(11):1287-1302.
doi:10.2298/JSC170316054V .

Vuksanović, Jelena, Todorović, Nina, Kijevčanin, Mirjana, Šerbanović, Slobodan P., Radović, Ivona, "Experimental investigation and modeling of thermophysical and extraction properties of choline chloride plus DL-malic acid based deep eutectic solvent" in Journal of the Serbian Chemical Society, 82, no. 11 (2017):1287-1302,
https://doi.org/10.2298/JSC170316054V . .

TY  - JOUR
AU  - Kozarski, Maja
AU  - Klaus, Anita
AU  - Jakovljević, Dragica
AU  - Todorović, Nina
AU  - Vunduk, Jovana
AU  - Petrović, Predrag
AU  - Nikšić, Miomir
AU  - Vrvić, Miroslav
AU  - van Griensven, Leo
PY  - 2015
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3051
AB  - Oxidative stress caused by an imbalanced metabolism and an excess of reactive oxygen species (ROS) lead to a range of health disorders in humans. Our endogenous antioxidant defense mechanisms and our dietary intake of antioxidants potentially regulate our oxidative homeostasis. Numerous synthetic antioxidants can effectively improve defense mechanisms, but because of their adverse toxic effects under certain conditions, preference is given to natural compounds. Consequently, the requirements for natural, alternative sources of antioxidant foods identified in edible mushrooms, as well as the mechanistic action involved in their antioxidant properties, have increased rapidly. Chemical composition and antioxidant potential of mushrooms have been intensively studied. Edible mushrooms might be used directly in enhancement of antioxidant defenses through dietary supplementation to reduce the level of oxidative stress. Wild or cultivated, they have been related to significant antioxidant properties due to their bioactive compounds, such as polyphenols, polysaccharides, vitamins, carotenoids and minerals. Antioxidant and health benefits, observed in edible mushrooms, seem an additional reason for their traditional use as a popular delicacy food. This review discusses the consumption of edible mushrooms as a powerful instrument in maintaining health, longevity and life quality.
PB  - MDPI, Basel
T2  - Molecules
T1  - Antioxidants of Edible Mushrooms
EP  - 19525
IS  - 10
SP  - 19489
VL  - 20
DO  - 10.3390/molecules201019489
ER  - 

@article{
author = "Kozarski, Maja and Klaus, Anita and Jakovljević, Dragica and Todorović, Nina and Vunduk, Jovana and Petrović, Predrag and Nikšić, Miomir and Vrvić, Miroslav and van Griensven, Leo",
year = "2015",
abstract = "Oxidative stress caused by an imbalanced metabolism and an excess of reactive oxygen species (ROS) lead to a range of health disorders in humans. Our endogenous antioxidant defense mechanisms and our dietary intake of antioxidants potentially regulate our oxidative homeostasis. Numerous synthetic antioxidants can effectively improve defense mechanisms, but because of their adverse toxic effects under certain conditions, preference is given to natural compounds. Consequently, the requirements for natural, alternative sources of antioxidant foods identified in edible mushrooms, as well as the mechanistic action involved in their antioxidant properties, have increased rapidly. Chemical composition and antioxidant potential of mushrooms have been intensively studied. Edible mushrooms might be used directly in enhancement of antioxidant defenses through dietary supplementation to reduce the level of oxidative stress. Wild or cultivated, they have been related to significant antioxidant properties due to their bioactive compounds, such as polyphenols, polysaccharides, vitamins, carotenoids and minerals. Antioxidant and health benefits, observed in edible mushrooms, seem an additional reason for their traditional use as a popular delicacy food. This review discusses the consumption of edible mushrooms as a powerful instrument in maintaining health, longevity and life quality.",
publisher = "MDPI, Basel",
journal = "Molecules",
title = "Antioxidants of Edible Mushrooms",
pages = "19525-19489",
number = "10",
volume = "20",
doi = "10.3390/molecules201019489"
}

Kozarski, M., Klaus, A., Jakovljević, D., Todorović, N., Vunduk, J., Petrović, P., Nikšić, M., Vrvić, M.,& van Griensven, L.. (2015). Antioxidants of Edible Mushrooms. in Molecules
MDPI, Basel., 20(10), 19489-19525.
https://doi.org/10.3390/molecules201019489

Kozarski M, Klaus A, Jakovljević D, Todorović N, Vunduk J, Petrović P, Nikšić M, Vrvić M, van Griensven L. Antioxidants of Edible Mushrooms. in Molecules. 2015;20(10):19489-19525.
doi:10.3390/molecules201019489 .

Kozarski, Maja, Klaus, Anita, Jakovljević, Dragica, Todorović, Nina, Vunduk, Jovana, Petrović, Predrag, Nikšić, Miomir, Vrvić, Miroslav, van Griensven, Leo, "Antioxidants of Edible Mushrooms" in Molecules, 20, no. 10 (2015):19489-19525,
https://doi.org/10.3390/molecules201019489 . .

TY  - JOUR
AU  - Valentić, Nataša
AU  - Vitnik, Željko
AU  - Mijin, Dušan
AU  - Ušćumlić, Gordana
AU  - Todorović, Nina
AU  - Juranić, Ivan
PY  - 2009
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1532
AB  - The C-13 NMR chemical shifts of the C2 carbon atom in the heteroaromatic nuclei of seventeen 5-(3- and 4-substituted arylazo)-4,6-dimethyl-3-cyano-2-pyridones were determined in deuterated DMSO solution. For quantitative assessment of the substituent effects on the C-13 NMR chemical shifts simple and extended Hammett equations and Swain-Lupton equation were used. The mode of transmission of substituent effects have been discussed in a relation to the geometry of investigated molecules. The geometry data were obtained using semiempirical MNDO-PM6 energy calculations. The observed C-13 NMR substituent chemical shifts were correlated with literature C-13 NMR data for the corresponding 3- and 4-substituted- 2',6'-dimethylazobenzenes and 3- and 4-substituted azobenzenes. A good linear dependence obtained in this way, provided a basis to discuss the influence of the ortho-methyl groups on the degree of coplanarity of azobenzene and pyridone systems, and on the efficiency of transmission of electronic substituent effect from one ring to the other one.
PB  - Arkat Usa Inc, Gainesville
T2  - Arkivoc
T1  - Linear Free Energy Relationships of the C-13 NMR chemical shifts in 5-(3-and 4-substituted arylazo)-4,6-dimethyl-3-cyano-2-pyridones
EP  - 240
SP  - 227
DO  - 10.3998/ark.5550190.0010.d20
ER  - 

@article{
author = "Valentić, Nataša and Vitnik, Željko and Mijin, Dušan and Ušćumlić, Gordana and Todorović, Nina and Juranić, Ivan",
year = "2009",
abstract = "The C-13 NMR chemical shifts of the C2 carbon atom in the heteroaromatic nuclei of seventeen 5-(3- and 4-substituted arylazo)-4,6-dimethyl-3-cyano-2-pyridones were determined in deuterated DMSO solution. For quantitative assessment of the substituent effects on the C-13 NMR chemical shifts simple and extended Hammett equations and Swain-Lupton equation were used. The mode of transmission of substituent effects have been discussed in a relation to the geometry of investigated molecules. The geometry data were obtained using semiempirical MNDO-PM6 energy calculations. The observed C-13 NMR substituent chemical shifts were correlated with literature C-13 NMR data for the corresponding 3- and 4-substituted- 2',6'-dimethylazobenzenes and 3- and 4-substituted azobenzenes. A good linear dependence obtained in this way, provided a basis to discuss the influence of the ortho-methyl groups on the degree of coplanarity of azobenzene and pyridone systems, and on the efficiency of transmission of electronic substituent effect from one ring to the other one.",
publisher = "Arkat Usa Inc, Gainesville",
journal = "Arkivoc",
title = "Linear Free Energy Relationships of the C-13 NMR chemical shifts in 5-(3-and 4-substituted arylazo)-4,6-dimethyl-3-cyano-2-pyridones",
pages = "240-227",
doi = "10.3998/ark.5550190.0010.d20"
}

Valentić, N., Vitnik, Ž., Mijin, D., Ušćumlić, G., Todorović, N.,& Juranić, I.. (2009). Linear Free Energy Relationships of the C-13 NMR chemical shifts in 5-(3-and 4-substituted arylazo)-4,6-dimethyl-3-cyano-2-pyridones. in Arkivoc
Arkat Usa Inc, Gainesville., 227-240.
https://doi.org/10.3998/ark.5550190.0010.d20

Valentić N, Vitnik Ž, Mijin D, Ušćumlić G, Todorović N, Juranić I. Linear Free Energy Relationships of the C-13 NMR chemical shifts in 5-(3-and 4-substituted arylazo)-4,6-dimethyl-3-cyano-2-pyridones. in Arkivoc. 2009;:227-240.
doi:10.3998/ark.5550190.0010.d20 .

Valentić, Nataša, Vitnik, Željko, Mijin, Dušan, Ušćumlić, Gordana, Todorović, Nina, Juranić, Ivan, "Linear Free Energy Relationships of the C-13 NMR chemical shifts in 5-(3-and 4-substituted arylazo)-4,6-dimethyl-3-cyano-2-pyridones" in Arkivoc (2009):227-240,
https://doi.org/10.3998/ark.5550190.0010.d20 . .

TY  - JOUR
AU  - Marinković, Aleksandar
AU  - Jovanović, Bratislav Ž.
AU  - Todorović, Nina
AU  - Juranić, Ivan
PY  - 2009
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1480
AB  - Linear free energy relationships (LFER) were applied to the H-1 and C-13 NMR chemical shifts in 3-cyano-4(substituted phenyl)-6-phenyl-2(1H)pyridones. The correlation analysis for the substituent-induced chemical shifts (SCS) with inductive (sigma(1)), and various resonance (sigma(R)) parameters were carried out using SSP (single substituent parameter), DSP (dual substituent parameter), and DSP-NLR (dual substituent parameter non-linear resonance) methods, as well as by multiple regression analysis. The presented calculation accounts satisfactorily for the polar and resonance substituent effects operating at pyridone carbon atoms. Negative rho values were found for several correlations (reverse substituent effect). The conformations of investigated compounds have been studied by the use of semi-empirical MO-PM6 method and B3LYP density functional (DFT) hybrid methods. The twist of the plane of 4-substituted phenyl ring (theta(1)) is determined by electronic substituent effects, while the angles theta(2) are almost constant.
PB  - Elsevier Science Bv, Amsterdam
T2  - Journal of Molecular Structure
T1  - Linear free energy relationships of the H-1 and C-13 NMR chemical shifts in 3-cyano-4-(substituted phenyl)-6-phenyl-2(1H)pyridones
EP  - 96
IS  - 1-3
SP  - 90
VL  - 920
DO  - 10.1016/j.molstruc.2008.10.018
ER  - 

@article{
author = "Marinković, Aleksandar and Jovanović, Bratislav Ž. and Todorović, Nina and Juranić, Ivan",
year = "2009",
abstract = "Linear free energy relationships (LFER) were applied to the H-1 and C-13 NMR chemical shifts in 3-cyano-4(substituted phenyl)-6-phenyl-2(1H)pyridones. The correlation analysis for the substituent-induced chemical shifts (SCS) with inductive (sigma(1)), and various resonance (sigma(R)) parameters were carried out using SSP (single substituent parameter), DSP (dual substituent parameter), and DSP-NLR (dual substituent parameter non-linear resonance) methods, as well as by multiple regression analysis. The presented calculation accounts satisfactorily for the polar and resonance substituent effects operating at pyridone carbon atoms. Negative rho values were found for several correlations (reverse substituent effect). The conformations of investigated compounds have been studied by the use of semi-empirical MO-PM6 method and B3LYP density functional (DFT) hybrid methods. The twist of the plane of 4-substituted phenyl ring (theta(1)) is determined by electronic substituent effects, while the angles theta(2) are almost constant.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Journal of Molecular Structure",
title = "Linear free energy relationships of the H-1 and C-13 NMR chemical shifts in 3-cyano-4-(substituted phenyl)-6-phenyl-2(1H)pyridones",
pages = "96-90",
number = "1-3",
volume = "920",
doi = "10.1016/j.molstruc.2008.10.018"
}

Marinković, A., Jovanović, B. Ž., Todorović, N.,& Juranić, I.. (2009). Linear free energy relationships of the H-1 and C-13 NMR chemical shifts in 3-cyano-4-(substituted phenyl)-6-phenyl-2(1H)pyridones. in Journal of Molecular Structure
Elsevier Science Bv, Amsterdam., 920(1-3), 90-96.
https://doi.org/10.1016/j.molstruc.2008.10.018

Marinković A, Jovanović BŽ, Todorović N, Juranić I. Linear free energy relationships of the H-1 and C-13 NMR chemical shifts in 3-cyano-4-(substituted phenyl)-6-phenyl-2(1H)pyridones. in Journal of Molecular Structure. 2009;920(1-3):90-96.
doi:10.1016/j.molstruc.2008.10.018 .

Marinković, Aleksandar, Jovanović, Bratislav Ž., Todorović, Nina, Juranić, Ivan, "Linear free energy relationships of the H-1 and C-13 NMR chemical shifts in 3-cyano-4-(substituted phenyl)-6-phenyl-2(1H)pyridones" in Journal of Molecular Structure, 920, no. 1-3 (2009):90-96,
https://doi.org/10.1016/j.molstruc.2008.10.018 . .