TY  - JOUR
AU  - Taboun, Abdulrraouf
AU  - Jovanović, Marija
AU  - Petrović, Miloš
AU  - Stajčić, Ivana
AU  - Pešić, Ivan
AU  - Stojanović, Dušica B.
AU  - Radojević, Vesna
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13220
AB  - The aim of this study is to investigate the influence of cross-linking and reinforcements in gelatin on the physico-mechanical properties of obtained composites. The gelatin-based composites cross-linked with citric acid (CA) were prepared: gelatin type B (GB) and β-tricalcium phosphate (β-TCP) and novel hybrid composite GB with β-TCP and hydroxyapatite (HAp) particles, and their structure, thermal, and mechanical properties were compared with pure gelatin B samples. FTIR analysis revealed that no chemical interaction between the reinforcements and gelatin matrix was established during the processing of hybrid composites by the solution casting method, proving the particles had no influence on GB cross-linking. The morphological investigation of hybrid composites revealed that cross-linking with CA improved the dispersion of particles, which further led to an increase in mechanical performance. The microindentation test showed that the hardness value was increased by up to 449%, which shows the high potential of β-TCP and HAp particle reinforcement combined with CA as a cross-linking agent. Furthermore, the reduced modulus of elasticity was increased by up to 288%. Results of the MTT assay on L929 cells have revealed that the hybrid composite GB-TCP-HA-CA was not cytotoxic. These results showed that GB cross-linked with CA and reinforced with different calcium phosphates presents a valuable novel material with potential applications in dentistry.
T2  - Polymers
T1  - Citric Acid Cross-Linked Gelatin-Based Composites with Improved Microhardness
VL  - 16
IS  - 8
SP  - 1077
DO  - 10.3390/polym16081077
ER  - 

@article{
author = "Taboun, Abdulrraouf and Jovanović, Marija and Petrović, Miloš and Stajčić, Ivana and Pešić, Ivan and Stojanović, Dušica B. and Radojević, Vesna",
year = "2024",
abstract = "The aim of this study is to investigate the influence of cross-linking and reinforcements in gelatin on the physico-mechanical properties of obtained composites. The gelatin-based composites cross-linked with citric acid (CA) were prepared: gelatin type B (GB) and β-tricalcium phosphate (β-TCP) and novel hybrid composite GB with β-TCP and hydroxyapatite (HAp) particles, and their structure, thermal, and mechanical properties were compared with pure gelatin B samples. FTIR analysis revealed that no chemical interaction between the reinforcements and gelatin matrix was established during the processing of hybrid composites by the solution casting method, proving the particles had no influence on GB cross-linking. The morphological investigation of hybrid composites revealed that cross-linking with CA improved the dispersion of particles, which further led to an increase in mechanical performance. The microindentation test showed that the hardness value was increased by up to 449%, which shows the high potential of β-TCP and HAp particle reinforcement combined with CA as a cross-linking agent. Furthermore, the reduced modulus of elasticity was increased by up to 288%. Results of the MTT assay on L929 cells have revealed that the hybrid composite GB-TCP-HA-CA was not cytotoxic. These results showed that GB cross-linked with CA and reinforced with different calcium phosphates presents a valuable novel material with potential applications in dentistry.",
journal = "Polymers",
title = "Citric Acid Cross-Linked Gelatin-Based Composites with Improved Microhardness",
volume = "16",
number = "8",
pages = "1077",
doi = "10.3390/polym16081077"
}

Taboun, A., Jovanović, M., Petrović, M., Stajčić, I., Pešić, I., Stojanović, D. B.,& Radojević, V.. (2024). Citric Acid Cross-Linked Gelatin-Based Composites with Improved Microhardness. in Polymers, 16(8), 1077.
https://doi.org/10.3390/polym16081077

Taboun A, Jovanović M, Petrović M, Stajčić I, Pešić I, Stojanović DB, Radojević V. Citric Acid Cross-Linked Gelatin-Based Composites with Improved Microhardness. in Polymers. 2024;16(8):1077.
doi:10.3390/polym16081077 .

Taboun, Abdulrraouf, Jovanović, Marija, Petrović, Miloš, Stajčić, Ivana, Pešić, Ivan, Stojanović, Dušica B., Radojević, Vesna, "Citric Acid Cross-Linked Gelatin-Based Composites with Improved Microhardness" in Polymers, 16, no. 8 (2024):1077,
https://doi.org/10.3390/polym16081077 . .

TY  - JOUR
AU  - Senćanski, Milan
AU  - Glišić, Sanja
AU  - Kubale, Valentina
AU  - Cotman, Marko
AU  - Mavri, Janez
AU  - Vrecl, Milka
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13222
AB  - This study assessed the suitability of the complementarity-determining region 2 (CDR2) of the nanobody (Nb) as a template for the derivation of nanobody-derived peptides (NDPs) targeting active-state β2-adrenergic receptor (β2AR) conformation. Sequences of conformationally selective Nbs favoring the agonist-occupied β2AR were initially analyzed by the informational spectrum method (ISM). The derived NDPs in complex with β2AR were subjected to protein–peptide docking, molecular dynamics (MD) simulations, and metadynamics-based free-energy binding calculations. Computational analyses identified a 25-amino-acid-long CDR2-NDP of Nb71, designated P4, which exhibited the following binding free-energy for the formation of the β2AR:P4 complex (ΔG = −6.8 ± 0.8 kcal/mol or a Ki = 16.5 μM at 310 K) and mapped the β2AR:P4 amino acid interaction network. In vitro characterization showed that P4 (i) can cross the plasma membrane, (ii) reduces the maximum isoproterenol-induced cAMP level by approximately 40% and the isoproterenol potency by up to 20-fold at micromolar concentration, (iii) has a very low affinity to interact with unstimulated β2AR in the cAMP assay, and (iv) cannot reduce the efficacy and potency of the isoproterenol-mediated β2AR/β-arrestin-2 interaction in the BRET2-based recruitment assay. In summary, the CDR2-NDP, P4, binds preferentially to agonist-activated β2AR and disrupts Gαs-mediated signaling.
T2  - Biomolecules
T1  - Computational Modeling and Characterization of Peptides Derived from Nanobody Complementary-Determining Region 2 (CDR2) Targeting Active-State Conformation of the β2-Adrenergic Receptor (β2AR)
VL  - 14
IS  - 4
SP  - 423
DO  - 10.3390/biom14040423
ER  - 

@article{
author = "Senćanski, Milan and Glišić, Sanja and Kubale, Valentina and Cotman, Marko and Mavri, Janez and Vrecl, Milka",
year = "2024",
abstract = "This study assessed the suitability of the complementarity-determining region 2 (CDR2) of the nanobody (Nb) as a template for the derivation of nanobody-derived peptides (NDPs) targeting active-state β2-adrenergic receptor (β2AR) conformation. Sequences of conformationally selective Nbs favoring the agonist-occupied β2AR were initially analyzed by the informational spectrum method (ISM). The derived NDPs in complex with β2AR were subjected to protein–peptide docking, molecular dynamics (MD) simulations, and metadynamics-based free-energy binding calculations. Computational analyses identified a 25-amino-acid-long CDR2-NDP of Nb71, designated P4, which exhibited the following binding free-energy for the formation of the β2AR:P4 complex (ΔG = −6.8 ± 0.8 kcal/mol or a Ki = 16.5 μM at 310 K) and mapped the β2AR:P4 amino acid interaction network. In vitro characterization showed that P4 (i) can cross the plasma membrane, (ii) reduces the maximum isoproterenol-induced cAMP level by approximately 40% and the isoproterenol potency by up to 20-fold at micromolar concentration, (iii) has a very low affinity to interact with unstimulated β2AR in the cAMP assay, and (iv) cannot reduce the efficacy and potency of the isoproterenol-mediated β2AR/β-arrestin-2 interaction in the BRET2-based recruitment assay. In summary, the CDR2-NDP, P4, binds preferentially to agonist-activated β2AR and disrupts Gαs-mediated signaling.",
journal = "Biomolecules",
title = "Computational Modeling and Characterization of Peptides Derived from Nanobody Complementary-Determining Region 2 (CDR2) Targeting Active-State Conformation of the β2-Adrenergic Receptor (β2AR)",
volume = "14",
number = "4",
pages = "423",
doi = "10.3390/biom14040423"
}

Senćanski, M., Glišić, S., Kubale, V., Cotman, M., Mavri, J.,& Vrecl, M.. (2024). Computational Modeling and Characterization of Peptides Derived from Nanobody Complementary-Determining Region 2 (CDR2) Targeting Active-State Conformation of the β2-Adrenergic Receptor (β2AR). in Biomolecules, 14(4), 423.
https://doi.org/10.3390/biom14040423

Senćanski M, Glišić S, Kubale V, Cotman M, Mavri J, Vrecl M. Computational Modeling and Characterization of Peptides Derived from Nanobody Complementary-Determining Region 2 (CDR2) Targeting Active-State Conformation of the β2-Adrenergic Receptor (β2AR). in Biomolecules. 2024;14(4):423.
doi:10.3390/biom14040423 .

Senćanski, Milan, Glišić, Sanja, Kubale, Valentina, Cotman, Marko, Mavri, Janez, Vrecl, Milka, "Computational Modeling and Characterization of Peptides Derived from Nanobody Complementary-Determining Region 2 (CDR2) Targeting Active-State Conformation of the β2-Adrenergic Receptor (β2AR)" in Biomolecules, 14, no. 4 (2024):423,
https://doi.org/10.3390/biom14040423 . .

TY  - JOUR
AU  - Janićijević, Aleksandra
AU  - Filipović, Suzana
AU  - Sknepnek, Aleksandra
AU  - Salević-Jelić, Ana
AU  - Jančić-Heinemann, Radmila
AU  - Petrović, Miloš
AU  - Petronijević, Ivan
AU  - Stamenović, Marina
AU  - Živković, Predrag
AU  - Potkonjak, Nebojša
AU  - Pavlović, Vladimir B.
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13219
AB  - This study presents an analysis of films which consist of two layers; one layer is PVDF as the matrix, along with fillers BaTiO3 (BT), and the second is one bacterial nanocellulose (BNC) filled with Fe3O4. The mass fraction of BT in PVDF was 5%, and the samples were differentiated based on the duration of the mechanical activation of BT. This innovative PVDF laminate polymer with environmentally friendly fillers aligns with the concept of circular usage, resulting in a reduction in plastic content and potential improvement of the piezoelectric properties of the entire composite. This work presents new, multifunctional “green” packaging materials that potentially could be a good alternative to specific popular materials used for this purpose. The synthesis of the films was carried out using the hot press method. Tensile tests, water vapor permeability examination, and structural analyses using SEM-EDS and FTIR have been conducted. The sample PVDF/BT20/BNC/Fe3O4 exhibited the best barrier properties (impermeability to water vapor), while the highest tensile strength and toughness were exhibited by the PVDF/BT5/BNC/Fe3O4 sample.
T2  - Polymers
T1  - Structural, Mechanical, and Barrier Properties of the Polyvinylidene Fluoride-Bacterial Nanocellulose-Based Hybrid Composite
VL  - 16
IS  - 8
SP  - 1033
DO  - 10.3390/polym16081033
ER  - 

@article{
author = "Janićijević, Aleksandra and Filipović, Suzana and Sknepnek, Aleksandra and Salević-Jelić, Ana and Jančić-Heinemann, Radmila and Petrović, Miloš and Petronijević, Ivan and Stamenović, Marina and Živković, Predrag and Potkonjak, Nebojša and Pavlović, Vladimir B.",
year = "2024",
abstract = "This study presents an analysis of films which consist of two layers; one layer is PVDF as the matrix, along with fillers BaTiO3 (BT), and the second is one bacterial nanocellulose (BNC) filled with Fe3O4. The mass fraction of BT in PVDF was 5%, and the samples were differentiated based on the duration of the mechanical activation of BT. This innovative PVDF laminate polymer with environmentally friendly fillers aligns with the concept of circular usage, resulting in a reduction in plastic content and potential improvement of the piezoelectric properties of the entire composite. This work presents new, multifunctional “green” packaging materials that potentially could be a good alternative to specific popular materials used for this purpose. The synthesis of the films was carried out using the hot press method. Tensile tests, water vapor permeability examination, and structural analyses using SEM-EDS and FTIR have been conducted. The sample PVDF/BT20/BNC/Fe3O4 exhibited the best barrier properties (impermeability to water vapor), while the highest tensile strength and toughness were exhibited by the PVDF/BT5/BNC/Fe3O4 sample.",
journal = "Polymers",
title = "Structural, Mechanical, and Barrier Properties of the Polyvinylidene Fluoride-Bacterial Nanocellulose-Based Hybrid Composite",
volume = "16",
number = "8",
pages = "1033",
doi = "10.3390/polym16081033"
}

Janićijević, A., Filipović, S., Sknepnek, A., Salević-Jelić, A., Jančić-Heinemann, R., Petrović, M., Petronijević, I., Stamenović, M., Živković, P., Potkonjak, N.,& Pavlović, V. B.. (2024). Structural, Mechanical, and Barrier Properties of the Polyvinylidene Fluoride-Bacterial Nanocellulose-Based Hybrid Composite. in Polymers, 16(8), 1033.
https://doi.org/10.3390/polym16081033

Janićijević A, Filipović S, Sknepnek A, Salević-Jelić A, Jančić-Heinemann R, Petrović M, Petronijević I, Stamenović M, Živković P, Potkonjak N, Pavlović VB. Structural, Mechanical, and Barrier Properties of the Polyvinylidene Fluoride-Bacterial Nanocellulose-Based Hybrid Composite. in Polymers. 2024;16(8):1033.
doi:10.3390/polym16081033 .

Janićijević, Aleksandra, Filipović, Suzana, Sknepnek, Aleksandra, Salević-Jelić, Ana, Jančić-Heinemann, Radmila, Petrović, Miloš, Petronijević, Ivan, Stamenović, Marina, Živković, Predrag, Potkonjak, Nebojša, Pavlović, Vladimir B., "Structural, Mechanical, and Barrier Properties of the Polyvinylidene Fluoride-Bacterial Nanocellulose-Based Hybrid Composite" in Polymers, 16, no. 8 (2024):1033,
https://doi.org/10.3390/polym16081033 . .

TY  - JOUR
AU  - Mušović, Jasmina
AU  - Tekić, Danijela
AU  - Marić, Slađana
AU  - Jocić, Ana
AU  - Stanković, Dalibor
AU  - Dimitrijević, Aleksandra
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13218
AB  - The consistent expansion of the lithium-ion battery (LIB) market, coupled with their relatively brief lifespan, necessitates the development of efficient and sustainable LIB recycling strategies. Recycling is crucial not only for the recovery of critical metals like Co(II) and Li(I) from the cathode material as a secondary resource but also from an environmental perspective. This study explores the use of a series of aqueous biphasic systems (ABS) with synthesized tetrabutylphosphonium ionic liquids (ILs) and ammonium sulfate as extraction platforms for metals from LIB cathode. Firstly, liquid–liquid equilibrium phase diagrams for each ABS were established, and partitioning experiments were conducted to assess the Co(II), Ni(II), Mn(II), and Li(I) recovery efficiencies. We observed distinct partitioning behaviors for the metals, with tetrabutylphosphonium diethylenetriaminepentaacetate, [TBP][DTPA], showing recovery efficiencies exceeding 98% for Co(II), Ni(II), and Mn(II). At the same time, Li(I) was predominantly retained in the aqueous salt-rich phase. By fine-tuning ABS operational parameters such as pH, temperature, system composition, and phase ratio, we identified optimal conditions for extracting metals from the cathode material of lithium-cobalt-oxide (LCO) batteries using sulfate lixiviate. Introducing [TBP][DTPA] after the leaching process induced ABS, achieving remarkable recovery efficiency over 95% for Co(II) in the IL-rich phase, with all Li(I) remaining in the lower phase. Cobalt was subsequently extracted using oxalic acid to precipitate as Co-oxalate from concentrate, while Li(I) was isolated from the aqueous phase using ammonium carbonate. After the “cleaning” of the IL-rich phase, the [TBP][DTPA] was recovered and reused in four consecutive cycles, with small detected losses on the recovery efficiency of Co(II) and Li(I). Therefore, our innovative strategy combines sulfate-based lixiviants with IL-ABS technology, thereby enhancing selectivity and sustainability within one of the most efficient lixiviant systems widely employed in the industry. This technological advancement presents a promising pathway for the recycling of spent batteries, offering substantial environmental advantages within the well-established and extensively utilized realm of metal recovery technology in the industry.
T2  - Separation and Purification Technology
T1  - Sustainable recovery of cobalt and lithium from lithium-ion battery cathode material by combining sulfate leachates and aqueous biphasic systems based on tetrabutylphosphonium-ionic liquids
VL  - 348
SP  - 127707
DO  - 10.1016/j.seppur.2024.127707
ER  - 

@article{
author = "Mušović, Jasmina and Tekić, Danijela and Marić, Slađana and Jocić, Ana and Stanković, Dalibor and Dimitrijević, Aleksandra",
year = "2024",
abstract = "The consistent expansion of the lithium-ion battery (LIB) market, coupled with their relatively brief lifespan, necessitates the development of efficient and sustainable LIB recycling strategies. Recycling is crucial not only for the recovery of critical metals like Co(II) and Li(I) from the cathode material as a secondary resource but also from an environmental perspective. This study explores the use of a series of aqueous biphasic systems (ABS) with synthesized tetrabutylphosphonium ionic liquids (ILs) and ammonium sulfate as extraction platforms for metals from LIB cathode. Firstly, liquid–liquid equilibrium phase diagrams for each ABS were established, and partitioning experiments were conducted to assess the Co(II), Ni(II), Mn(II), and Li(I) recovery efficiencies. We observed distinct partitioning behaviors for the metals, with tetrabutylphosphonium diethylenetriaminepentaacetate, [TBP][DTPA], showing recovery efficiencies exceeding 98% for Co(II), Ni(II), and Mn(II). At the same time, Li(I) was predominantly retained in the aqueous salt-rich phase. By fine-tuning ABS operational parameters such as pH, temperature, system composition, and phase ratio, we identified optimal conditions for extracting metals from the cathode material of lithium-cobalt-oxide (LCO) batteries using sulfate lixiviate. Introducing [TBP][DTPA] after the leaching process induced ABS, achieving remarkable recovery efficiency over 95% for Co(II) in the IL-rich phase, with all Li(I) remaining in the lower phase. Cobalt was subsequently extracted using oxalic acid to precipitate as Co-oxalate from concentrate, while Li(I) was isolated from the aqueous phase using ammonium carbonate. After the “cleaning” of the IL-rich phase, the [TBP][DTPA] was recovered and reused in four consecutive cycles, with small detected losses on the recovery efficiency of Co(II) and Li(I). Therefore, our innovative strategy combines sulfate-based lixiviants with IL-ABS technology, thereby enhancing selectivity and sustainability within one of the most efficient lixiviant systems widely employed in the industry. This technological advancement presents a promising pathway for the recycling of spent batteries, offering substantial environmental advantages within the well-established and extensively utilized realm of metal recovery technology in the industry.",
journal = "Separation and Purification Technology",
title = "Sustainable recovery of cobalt and lithium from lithium-ion battery cathode material by combining sulfate leachates and aqueous biphasic systems based on tetrabutylphosphonium-ionic liquids",
volume = "348",
pages = "127707",
doi = "10.1016/j.seppur.2024.127707"
}

Mušović, J., Tekić, D., Marić, S., Jocić, A., Stanković, D.,& Dimitrijević, A.. (2024). Sustainable recovery of cobalt and lithium from lithium-ion battery cathode material by combining sulfate leachates and aqueous biphasic systems based on tetrabutylphosphonium-ionic liquids. in Separation and Purification Technology, 348, 127707.
https://doi.org/10.1016/j.seppur.2024.127707

Mušović J, Tekić D, Marić S, Jocić A, Stanković D, Dimitrijević A. Sustainable recovery of cobalt and lithium from lithium-ion battery cathode material by combining sulfate leachates and aqueous biphasic systems based on tetrabutylphosphonium-ionic liquids. in Separation and Purification Technology. 2024;348:127707.
doi:10.1016/j.seppur.2024.127707 .

Mušović, Jasmina, Tekić, Danijela, Marić, Slađana, Jocić, Ana, Stanković, Dalibor, Dimitrijević, Aleksandra, "Sustainable recovery of cobalt and lithium from lithium-ion battery cathode material by combining sulfate leachates and aqueous biphasic systems based on tetrabutylphosphonium-ionic liquids" in Separation and Purification Technology, 348 (2024):127707,
https://doi.org/10.1016/j.seppur.2024.127707 . .

TY  - JOUR
AU  - Vučićević, Biljana
AU  - Živković, Marija M.
AU  - Turanjanin, Valentina
AU  - Bakić, Vukman
AU  - Jovanović, Marina
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13216
AB  - The Environmental Protection Agency of the Republic of Serbia continuously monitors and collects air quality parameters at numerous measuring points throughout the country. The results revealed that the levels of air pollution recorded during the lockdown differed from those recorded during the same period the previous years. In this paper, we examined pollutant concentration trends in 2020 and a few previous years to determine the underlying causes of these trends. Pollutants are measured at five stations in Belgrade from the beginning of March to the end of July between 2015 and 2020. Because no hourly data were available, NO2, SO2, and suspended particles PM10 and PM2.5 are average daily values, whereas CO and ozone are daily 8-hour maximums. Concentrations were compared and averaged only when data for the same period over time was available, i.e. when comparing 2020 to previous years. The results were compared to the annual and daily limit values (for ozone and CO 8 hours maximum, respectively), as well as the variations in concentrations over time. The goal of calculating and displaying these values is to specifically identify a change in air pollution during the COVID-19 virus pandemic isolation period. In general, for Belgrade in 2020, NO2 concentrations are lower at four stations, PM2.5 concentrations are lower at two stations, PM10 concentrations are higher at one station and lower at another, and SO2 concentrations are higher than in previous years (2015-2019).
T2  - Thermal Science
T1  - Impact of lockdown on air quality in Belgrade during COVID-19 pandemic
VL  - 28
IS  - 1 Part B
SP  - 557
EP  - 567
DO  - 10.2298/TSCI230706212V
ER  - 

@article{
author = "Vučićević, Biljana and Živković, Marija M. and Turanjanin, Valentina and Bakić, Vukman and Jovanović, Marina",
year = "2024",
abstract = "The Environmental Protection Agency of the Republic of Serbia continuously monitors and collects air quality parameters at numerous measuring points throughout the country. The results revealed that the levels of air pollution recorded during the lockdown differed from those recorded during the same period the previous years. In this paper, we examined pollutant concentration trends in 2020 and a few previous years to determine the underlying causes of these trends. Pollutants are measured at five stations in Belgrade from the beginning of March to the end of July between 2015 and 2020. Because no hourly data were available, NO2, SO2, and suspended particles PM10 and PM2.5 are average daily values, whereas CO and ozone are daily 8-hour maximums. Concentrations were compared and averaged only when data for the same period over time was available, i.e. when comparing 2020 to previous years. The results were compared to the annual and daily limit values (for ozone and CO 8 hours maximum, respectively), as well as the variations in concentrations over time. The goal of calculating and displaying these values is to specifically identify a change in air pollution during the COVID-19 virus pandemic isolation period. In general, for Belgrade in 2020, NO2 concentrations are lower at four stations, PM2.5 concentrations are lower at two stations, PM10 concentrations are higher at one station and lower at another, and SO2 concentrations are higher than in previous years (2015-2019).",
journal = "Thermal Science",
title = "Impact of lockdown on air quality in Belgrade during COVID-19 pandemic",
volume = "28",
number = "1 Part B",
pages = "557-567",
doi = "10.2298/TSCI230706212V"
}

Vučićević, B., Živković, M. M., Turanjanin, V., Bakić, V.,& Jovanović, M.. (2024). Impact of lockdown on air quality in Belgrade during COVID-19 pandemic. in Thermal Science, 28(1 Part B), 557-567.
https://doi.org/10.2298/TSCI230706212V

Vučićević B, Živković MM, Turanjanin V, Bakić V, Jovanović M. Impact of lockdown on air quality in Belgrade during COVID-19 pandemic. in Thermal Science. 2024;28(1 Part B):557-567.
doi:10.2298/TSCI230706212V .

Vučićević, Biljana, Živković, Marija M., Turanjanin, Valentina, Bakić, Vukman, Jovanović, Marina, "Impact of lockdown on air quality in Belgrade during COVID-19 pandemic" in Thermal Science, 28, no. 1 Part B (2024):557-567,
https://doi.org/10.2298/TSCI230706212V . .

TY  - JOUR
AU  - Božilović, Bojana
AU  - Janković, Bojan
AU  - Pijović-Radovanović, Milena
AU  - Waisi, Hadi
AU  - Marinović-Cincović, Milena
AU  - Krstić, Sanja
AU  - Dodevski, Vladimir
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13215
AB  - Thermo-chemical conversion of cigarette butt filters (CBF) waste was investigated using various thermal analysis techniques (simultaneous TG-DTG-DTA and DSC methods) at different heating rates in an inert atmosphere. Thermo- and thermo-physical properties of waste material were discussed, from the point of view of chemical structure and the influence of experimental parameters on the conversion process. It was established that acetyl groups of plasticizer (triacetin) interact with cellulose acetate through dipolar interactions and hydrogen bonding’s. Influence of these polar interactions can affect the position of glass transition temperature, Tg, of CBF. Based on estimated value of Tg from DSC analysis, it was found that cellulose acetate present in CBF has degree of substitution equals to 2.8, where the presence of cellulose triacetate was confirmed. It was assumed that an increase of degree of substitution leads to decline in the crystallinity. A decline of crystal-linity causes the reduction of hydroxyl groups, leading to less organized chains, and whereby decreasing of inter-molecular interactions through hydrogen bond-ing. Based on the examination of thermophysical characteristics of the tested ma-terial, it was found that both, the heat capacity and the thermal inertia of material linearly increase with temperature, during pyrolysis progression. It was concluded that the type of bio-char produced in this process would have a large capacity to store the heat, which may depend on the formed particles size diameter and poros-ity. Furthermore, it was inferred that magnitude drops of thermal conductivity, κ, after Tg depends on the material fibrillation
T2  - Thermal Science
T1  - Thermo-chemical conversion of cigarette butt filters waste through pyrolysis process using thermal analysis techniques
VL  - 28
IS  - 1 Part B
SP  - 513
EP  - 527
DO  - 10.2298/TSCI230520153B
ER  - 

@article{
author = "Božilović, Bojana and Janković, Bojan and Pijović-Radovanović, Milena and Waisi, Hadi and Marinović-Cincović, Milena and Krstić, Sanja and Dodevski, Vladimir",
year = "2024",
abstract = "Thermo-chemical conversion of cigarette butt filters (CBF) waste was investigated using various thermal analysis techniques (simultaneous TG-DTG-DTA and DSC methods) at different heating rates in an inert atmosphere. Thermo- and thermo-physical properties of waste material were discussed, from the point of view of chemical structure and the influence of experimental parameters on the conversion process. It was established that acetyl groups of plasticizer (triacetin) interact with cellulose acetate through dipolar interactions and hydrogen bonding’s. Influence of these polar interactions can affect the position of glass transition temperature, Tg, of CBF. Based on estimated value of Tg from DSC analysis, it was found that cellulose acetate present in CBF has degree of substitution equals to 2.8, where the presence of cellulose triacetate was confirmed. It was assumed that an increase of degree of substitution leads to decline in the crystallinity. A decline of crystal-linity causes the reduction of hydroxyl groups, leading to less organized chains, and whereby decreasing of inter-molecular interactions through hydrogen bond-ing. Based on the examination of thermophysical characteristics of the tested ma-terial, it was found that both, the heat capacity and the thermal inertia of material linearly increase with temperature, during pyrolysis progression. It was concluded that the type of bio-char produced in this process would have a large capacity to store the heat, which may depend on the formed particles size diameter and poros-ity. Furthermore, it was inferred that magnitude drops of thermal conductivity, κ, after Tg depends on the material fibrillation",
journal = "Thermal Science",
title = "Thermo-chemical conversion of cigarette butt filters waste through pyrolysis process using thermal analysis techniques",
volume = "28",
number = "1 Part B",
pages = "513-527",
doi = "10.2298/TSCI230520153B"
}

Božilović, B., Janković, B., Pijović-Radovanović, M., Waisi, H., Marinović-Cincović, M., Krstić, S.,& Dodevski, V.. (2024). Thermo-chemical conversion of cigarette butt filters waste through pyrolysis process using thermal analysis techniques. in Thermal Science, 28(1 Part B), 513-527.
https://doi.org/10.2298/TSCI230520153B

Božilović B, Janković B, Pijović-Radovanović M, Waisi H, Marinović-Cincović M, Krstić S, Dodevski V. Thermo-chemical conversion of cigarette butt filters waste through pyrolysis process using thermal analysis techniques. in Thermal Science. 2024;28(1 Part B):513-527.
doi:10.2298/TSCI230520153B .

Božilović, Bojana, Janković, Bojan, Pijović-Radovanović, Milena, Waisi, Hadi, Marinović-Cincović, Milena, Krstić, Sanja, Dodevski, Vladimir, "Thermo-chemical conversion of cigarette butt filters waste through pyrolysis process using thermal analysis techniques" in Thermal Science, 28, no. 1 Part B (2024):513-527,
https://doi.org/10.2298/TSCI230520153B . .

TY  - JOUR
AU  - Kojić, Andrea
AU  - Kržanović, Nikola
AU  - Živanović, Miloš
AU  - Toroi, Paula
AU  - Bakrač, Luka
AU  - Božović, Predrag
AU  - Stanković Petrović, Jelena
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13192
AB  - Quality control and assurance of mammography X-ray generators include usage of solid-state detectors and/or ionization chambers which are calibrated in standard reference radiation fields. IEC 61267:2005 standard defines reference mammography radiation fields for Mo/Mo anode/filtration, while various anode/filtration combinations are encountered in clinical mammography X-ray units. Not all Secondary Standard Dosimetry Laboratories have an X-ray generator with Mo/Mo radiation setup, thus traceability can be established only for the available anode/filter combinations which is commonly limited to W/Al. In this study, W/Al radiation fields were established under laboratory conditions by performing half-value layer measurements, and characterization of four solid-state detectors was performed. X-ray multimeter performance was evaluated in terms of energy response in the W/Al radiation fields. In the laboratory conditions the energy response of the dosimeters had larger deviation from unity for dosimeters without appropriate anode/filter combination selected in the software settings, even though most of the dosimeters had uniform relative response. Discrepancy in the response was further investigated by examining its variation induced by available detector software settings, and it was determined that the dosimeter response can vary up to 20 %. In clinical setup, half-value layer was determined, and detector performance was examined. Dosimeters were tested in clinical fields with Mo/Mo, Mo/Rh, W/Rh, W/Ag anode/filter combinations in the X-ray tube voltage range from 25 kV to 35 kV. For most clinical radiation fields, multi-element detectors had energy response deviation within ±5 %. The single-element detector had one software setting available and has exhibited strong energy dependence. Extensive testing of detector response such as presented in this paper allows for correction factor interpolation based on half-value layer.
T2  - Radiation Measurements
T1  - Influence of anode/filtration setup on X-ray multimeter energy response in mammography applications
VL  - 174
SP  - 107135
DO  - 10.1016/j.radmeas.2024.107135
ER  - 

@article{
author = "Kojić, Andrea and Kržanović, Nikola and Živanović, Miloš and Toroi, Paula and Bakrač, Luka and Božović, Predrag and Stanković Petrović, Jelena",
year = "2024",
abstract = "Quality control and assurance of mammography X-ray generators include usage of solid-state detectors and/or ionization chambers which are calibrated in standard reference radiation fields. IEC 61267:2005 standard defines reference mammography radiation fields for Mo/Mo anode/filtration, while various anode/filtration combinations are encountered in clinical mammography X-ray units. Not all Secondary Standard Dosimetry Laboratories have an X-ray generator with Mo/Mo radiation setup, thus traceability can be established only for the available anode/filter combinations which is commonly limited to W/Al. In this study, W/Al radiation fields were established under laboratory conditions by performing half-value layer measurements, and characterization of four solid-state detectors was performed. X-ray multimeter performance was evaluated in terms of energy response in the W/Al radiation fields. In the laboratory conditions the energy response of the dosimeters had larger deviation from unity for dosimeters without appropriate anode/filter combination selected in the software settings, even though most of the dosimeters had uniform relative response. Discrepancy in the response was further investigated by examining its variation induced by available detector software settings, and it was determined that the dosimeter response can vary up to 20 %. In clinical setup, half-value layer was determined, and detector performance was examined. Dosimeters were tested in clinical fields with Mo/Mo, Mo/Rh, W/Rh, W/Ag anode/filter combinations in the X-ray tube voltage range from 25 kV to 35 kV. For most clinical radiation fields, multi-element detectors had energy response deviation within ±5 %. The single-element detector had one software setting available and has exhibited strong energy dependence. Extensive testing of detector response such as presented in this paper allows for correction factor interpolation based on half-value layer.",
journal = "Radiation Measurements",
title = "Influence of anode/filtration setup on X-ray multimeter energy response in mammography applications",
volume = "174",
pages = "107135",
doi = "10.1016/j.radmeas.2024.107135"
}

Kojić, A., Kržanović, N., Živanović, M., Toroi, P., Bakrač, L., Božović, P.,& Stanković Petrović, J.. (2024). Influence of anode/filtration setup on X-ray multimeter energy response in mammography applications. in Radiation Measurements, 174, 107135.
https://doi.org/10.1016/j.radmeas.2024.107135

Kojić A, Kržanović N, Živanović M, Toroi P, Bakrač L, Božović P, Stanković Petrović J. Influence of anode/filtration setup on X-ray multimeter energy response in mammography applications. in Radiation Measurements. 2024;174:107135.
doi:10.1016/j.radmeas.2024.107135 .

Kojić, Andrea, Kržanović, Nikola, Živanović, Miloš, Toroi, Paula, Bakrač, Luka, Božović, Predrag, Stanković Petrović, Jelena, "Influence of anode/filtration setup on X-ray multimeter energy response in mammography applications" in Radiation Measurements, 174 (2024):107135,
https://doi.org/10.1016/j.radmeas.2024.107135 . .

TY  - JOUR
AU  - Abu el Rub, Anamarija
AU  - Nešić, Maja D.
AU  - Dučić, Tanja
AU  - Radoičić, Marija
AU  - Novaković, Mirjana
AU  - Žakula, Jelena
AU  - Ralić, Vanja
AU  - Petković, Marijana
AU  - Stepić, Milutin
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13214
AB  - The increasing incidence rate of pancreatic cancer worldwide, along with high resistance to existing chemotherapies and radiotherapy, demand new approaches for its treatment. Nanoparticle-guided cancer treatment modalities are promising in their anti-cancer efficiency and upgrading potential. We have synthesized and characterized Gd-doped titanium-dioxide nanoparticles (Gd-TiO 2 NPs), which showed good biocompatibility with MIA PaCa-2 and PANC-1 pancreatic cancer cell lines. To assess the effect that these NPs have on tumor cells, we used synchrotron radiation Fourier transform infrared spectroscopy and principal component analysis. We elucidated the biochemical changes in the two cell lines induced after their interaction with these NPs. Results demonstrated changes in nucleic acids and carbohydrate metabolism and alterations in the protein conformation in both cell lines. In addition, considerable changes in lipid area were observed in PANC-1 cell line, suggesting that Gd-TiO 2 NPs have a prospective to be further studied as systems for pancreatic cancer treatment.
T2  - Journal of Molecular Structure
T1  - Synchrotron radiation-FTIR biomolecular assessment in PANC-1 and MIA PaCa-2 pancreatic cancer cells after treatment with Gd-TiO2 nanoparticles
VL  - 1309
SP  - 138167
DO  - 10.1016/j.molstruc.2024.138167
ER  - 

@article{
author = "Abu el Rub, Anamarija and Nešić, Maja D. and Dučić, Tanja and Radoičić, Marija and Novaković, Mirjana and Žakula, Jelena and Ralić, Vanja and Petković, Marijana and Stepić, Milutin",
year = "2024",
abstract = "The increasing incidence rate of pancreatic cancer worldwide, along with high resistance to existing chemotherapies and radiotherapy, demand new approaches for its treatment. Nanoparticle-guided cancer treatment modalities are promising in their anti-cancer efficiency and upgrading potential. We have synthesized and characterized Gd-doped titanium-dioxide nanoparticles (Gd-TiO 2 NPs), which showed good biocompatibility with MIA PaCa-2 and PANC-1 pancreatic cancer cell lines. To assess the effect that these NPs have on tumor cells, we used synchrotron radiation Fourier transform infrared spectroscopy and principal component analysis. We elucidated the biochemical changes in the two cell lines induced after their interaction with these NPs. Results demonstrated changes in nucleic acids and carbohydrate metabolism and alterations in the protein conformation in both cell lines. In addition, considerable changes in lipid area were observed in PANC-1 cell line, suggesting that Gd-TiO 2 NPs have a prospective to be further studied as systems for pancreatic cancer treatment.",
journal = "Journal of Molecular Structure",
title = "Synchrotron radiation-FTIR biomolecular assessment in PANC-1 and MIA PaCa-2 pancreatic cancer cells after treatment with Gd-TiO2 nanoparticles",
volume = "1309",
pages = "138167",
doi = "10.1016/j.molstruc.2024.138167"
}

Abu el Rub, A., Nešić, M. D., Dučić, T., Radoičić, M., Novaković, M., Žakula, J., Ralić, V., Petković, M.,& Stepić, M.. (2024). Synchrotron radiation-FTIR biomolecular assessment in PANC-1 and MIA PaCa-2 pancreatic cancer cells after treatment with Gd-TiO2 nanoparticles. in Journal of Molecular Structure, 1309, 138167.
https://doi.org/10.1016/j.molstruc.2024.138167

Abu el Rub A, Nešić MD, Dučić T, Radoičić M, Novaković M, Žakula J, Ralić V, Petković M, Stepić M. Synchrotron radiation-FTIR biomolecular assessment in PANC-1 and MIA PaCa-2 pancreatic cancer cells after treatment with Gd-TiO2 nanoparticles. in Journal of Molecular Structure. 2024;1309:138167.
doi:10.1016/j.molstruc.2024.138167 .

Abu el Rub, Anamarija, Nešić, Maja D., Dučić, Tanja, Radoičić, Marija, Novaković, Mirjana, Žakula, Jelena, Ralić, Vanja, Petković, Marijana, Stepić, Milutin, "Synchrotron radiation-FTIR biomolecular assessment in PANC-1 and MIA PaCa-2 pancreatic cancer cells after treatment with Gd-TiO2 nanoparticles" in Journal of Molecular Structure, 1309 (2024):138167,
https://doi.org/10.1016/j.molstruc.2024.138167 . .

TY  - JOUR
AU  - Elhmali, Houda Taher
AU  - Stajčić, Ivana
AU  - Stajčić, Aleksandar
AU  - Pešić, Ivan
AU  - Jovanović, Marija
AU  - Petrović, Miloš
AU  - Radojević, Vesna
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12718
AB  - While dental poly methyl methacrylate(PMMA) possesses distinctive qualities such as ease of fabrication, cost-effectiveness, and favorable physical and mechanical properties, these attributes alone are inadequate to impart the necessary impact strength and hardness. Consequently, pure PMMA is less suitable for dental applications. This research focused on the incorporation of Strontium titanate (SrTiO3-STO) and hybrid filler STO/Manganese oxide (MnO2) to improve impact resistance and hardness. The potential of STO in reinforcing PMMA is poorly investigated, while hybrid filler STO/MnO2 has not been presented yet. Differential scanning calorimetry is conducted in order to investigate the agglomeration influence on the PMMA glass transition temperature (Tg), as well as the leaching of residual monomer and volatile additives that could pose a threat to human health. It has been determined that agglomeration with 1 wt% loading had no influence on Tg, while the first scan revealed differences in evaporation of small molecules, in favor of composite PMMA-STO/MnO2, which showed the trapping potential of volatiles. Investigations of mechanical properties have revealed the significant influence of hybrid STO/MnO2 filler on microhardness and total absorbed impact energy, which were increased by 89.9% and 145.4%, respectively. Results presented in this study revealed the reinforcing potential of hybrid nanoparticles that could find application in other polymers as well.
T2  - Polymers
T1  - Influence of Novel SrTiO3/MnO2 Hybrid Nanoparticles on Poly(methyl methacrylate) Thermal and Mechanical Behavior
VL  - 16
IS  - 2
SP  - 278
DO  - 10.3390/polym16020278
ER  - 

@article{
author = "Elhmali, Houda Taher and Stajčić, Ivana and Stajčić, Aleksandar and Pešić, Ivan and Jovanović, Marija and Petrović, Miloš and Radojević, Vesna",
year = "2024",
abstract = "While dental poly methyl methacrylate(PMMA) possesses distinctive qualities such as ease of fabrication, cost-effectiveness, and favorable physical and mechanical properties, these attributes alone are inadequate to impart the necessary impact strength and hardness. Consequently, pure PMMA is less suitable for dental applications. This research focused on the incorporation of Strontium titanate (SrTiO3-STO) and hybrid filler STO/Manganese oxide (MnO2) to improve impact resistance and hardness. The potential of STO in reinforcing PMMA is poorly investigated, while hybrid filler STO/MnO2 has not been presented yet. Differential scanning calorimetry is conducted in order to investigate the agglomeration influence on the PMMA glass transition temperature (Tg), as well as the leaching of residual monomer and volatile additives that could pose a threat to human health. It has been determined that agglomeration with 1 wt% loading had no influence on Tg, while the first scan revealed differences in evaporation of small molecules, in favor of composite PMMA-STO/MnO2, which showed the trapping potential of volatiles. Investigations of mechanical properties have revealed the significant influence of hybrid STO/MnO2 filler on microhardness and total absorbed impact energy, which were increased by 89.9% and 145.4%, respectively. Results presented in this study revealed the reinforcing potential of hybrid nanoparticles that could find application in other polymers as well.",
journal = "Polymers",
title = "Influence of Novel SrTiO3/MnO2 Hybrid Nanoparticles on Poly(methyl methacrylate) Thermal and Mechanical Behavior",
volume = "16",
number = "2",
pages = "278",
doi = "10.3390/polym16020278"
}

Elhmali, H. T., Stajčić, I., Stajčić, A., Pešić, I., Jovanović, M., Petrović, M.,& Radojević, V.. (2024). Influence of Novel SrTiO3/MnO2 Hybrid Nanoparticles on Poly(methyl methacrylate) Thermal and Mechanical Behavior. in Polymers, 16(2), 278.
https://doi.org/10.3390/polym16020278

Elhmali HT, Stajčić I, Stajčić A, Pešić I, Jovanović M, Petrović M, Radojević V. Influence of Novel SrTiO3/MnO2 Hybrid Nanoparticles on Poly(methyl methacrylate) Thermal and Mechanical Behavior. in Polymers. 2024;16(2):278.
doi:10.3390/polym16020278 .

Elhmali, Houda Taher, Stajčić, Ivana, Stajčić, Aleksandar, Pešić, Ivan, Jovanović, Marija, Petrović, Miloš, Radojević, Vesna, "Influence of Novel SrTiO3/MnO2 Hybrid Nanoparticles on Poly(methyl methacrylate) Thermal and Mechanical Behavior" in Polymers, 16, no. 2 (2024):278,
https://doi.org/10.3390/polym16020278 . .

TY  - JOUR
AU  - Omerašević, Mia
AU  - Pavkov, Vladimir
AU  - Rosić, Milena
AU  - Egerić, Marija
AU  - Nenadović, Snežana
AU  - Bučevac, Dušan
AU  - Potkonjak, Nebojša
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13094
AB  - Porous anorthite (CaAl2Si2O8) ceramics, suitable for thermal insulation in buildings, were obtained using waste seashells as a source of CaO, kaolin as a source of Al2O3 and SiO2 and banana peel as a pore former. Changing the volume of banana peel as well as the processing temperature was found to be an effective approach to control the thermo-mechanical properties of the obtained anorthite ceramics. The sintering of powder compacts containing up to 30 wt% banana peel at temperatures ranging from 1100 to 1200 °C resulted in anorthite ceramics possessing up to 45% open porosity, a compressive strength between 13 and 92 MPa, a bulk density between 1.87 and 2.62 g/cm3 and thermal conductivity between 0.097 and 3.5 W/mK. It was shown that waste materials such as seashells and banana peel can be used to obtain cost-effective thermal insulation in buildings.
T2  - Materials
T1  - Fabrication of Porous Anorthite Ceramic Insulation Using Solid Wastes
VL  - 17
IS  - 7
SP  - 1478
DO  - 10.3390/ma17071478
ER  - 

@article{
author = "Omerašević, Mia and Pavkov, Vladimir and Rosić, Milena and Egerić, Marija and Nenadović, Snežana and Bučevac, Dušan and Potkonjak, Nebojša",
year = "2024",
abstract = "Porous anorthite (CaAl2Si2O8) ceramics, suitable for thermal insulation in buildings, were obtained using waste seashells as a source of CaO, kaolin as a source of Al2O3 and SiO2 and banana peel as a pore former. Changing the volume of banana peel as well as the processing temperature was found to be an effective approach to control the thermo-mechanical properties of the obtained anorthite ceramics. The sintering of powder compacts containing up to 30 wt% banana peel at temperatures ranging from 1100 to 1200 °C resulted in anorthite ceramics possessing up to 45% open porosity, a compressive strength between 13 and 92 MPa, a bulk density between 1.87 and 2.62 g/cm3 and thermal conductivity between 0.097 and 3.5 W/mK. It was shown that waste materials such as seashells and banana peel can be used to obtain cost-effective thermal insulation in buildings.",
journal = "Materials",
title = "Fabrication of Porous Anorthite Ceramic Insulation Using Solid Wastes",
volume = "17",
number = "7",
pages = "1478",
doi = "10.3390/ma17071478"
}

Omerašević, M., Pavkov, V., Rosić, M., Egerić, M., Nenadović, S., Bučevac, D.,& Potkonjak, N.. (2024). Fabrication of Porous Anorthite Ceramic Insulation Using Solid Wastes. in Materials, 17(7), 1478.
https://doi.org/10.3390/ma17071478

Omerašević M, Pavkov V, Rosić M, Egerić M, Nenadović S, Bučevac D, Potkonjak N. Fabrication of Porous Anorthite Ceramic Insulation Using Solid Wastes. in Materials. 2024;17(7):1478.
doi:10.3390/ma17071478 .

Omerašević, Mia, Pavkov, Vladimir, Rosić, Milena, Egerić, Marija, Nenadović, Snežana, Bučevac, Dušan, Potkonjak, Nebojša, "Fabrication of Porous Anorthite Ceramic Insulation Using Solid Wastes" in Materials, 17, no. 7 (2024):1478,
https://doi.org/10.3390/ma17071478 . .

TY  - JOUR
AU  - Zagorac, Jelena
AU  - Schön, Johann Christian
AU  - Matović, Branko
AU  - Butulija, Svetlana
AU  - Zagorac, Dejan
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13134
AB  - Hafnium carbide (HfC) is a refractory compound known for its exceptional mechanical, thermal, and electrical properties. This compound has gained significant attention in materials science and engineering due to its high melting point, extreme hardness, and excellent thermal stability. This study presents crystal structure prediction via energy landscape explorations of pristine hafnium carbide supplemented by data mining. Apart from the well-known equilibrium rock salt phase, we predict eight new polymorphs of HfC. The predicted HfC phases appear in the energy landscape with known structure types such as the WC type, NiAs type, 5-5 type, sphalerite (ZnS) type, TlI type, and CsCl type; in addition, we predict two new structure types denoted as ortho_HfC and HfC_polytype, respectively. Moreover, we have investigated the structural characteristics and mechanical properties of hafnium carbide at the DFT level of computation, which opens diverse applications in various technological domains.
T2  - Crystals
T1  - Hafnium Carbide: Prediction of Crystalline Structures and Investigation of Mechanical Properties
VL  - 14
IS  - 4
SP  - 340
DO  - 10.3390/cryst14040340
ER  - 

@article{
author = "Zagorac, Jelena and Schön, Johann Christian and Matović, Branko and Butulija, Svetlana and Zagorac, Dejan",
year = "2024",
abstract = "Hafnium carbide (HfC) is a refractory compound known for its exceptional mechanical, thermal, and electrical properties. This compound has gained significant attention in materials science and engineering due to its high melting point, extreme hardness, and excellent thermal stability. This study presents crystal structure prediction via energy landscape explorations of pristine hafnium carbide supplemented by data mining. Apart from the well-known equilibrium rock salt phase, we predict eight new polymorphs of HfC. The predicted HfC phases appear in the energy landscape with known structure types such as the WC type, NiAs type, 5-5 type, sphalerite (ZnS) type, TlI type, and CsCl type; in addition, we predict two new structure types denoted as ortho_HfC and HfC_polytype, respectively. Moreover, we have investigated the structural characteristics and mechanical properties of hafnium carbide at the DFT level of computation, which opens diverse applications in various technological domains.",
journal = "Crystals",
title = "Hafnium Carbide: Prediction of Crystalline Structures and Investigation of Mechanical Properties",
volume = "14",
number = "4",
pages = "340",
doi = "10.3390/cryst14040340"
}

Zagorac, J., Schön, J. C., Matović, B., Butulija, S.,& Zagorac, D.. (2024). Hafnium Carbide: Prediction of Crystalline Structures and Investigation of Mechanical Properties. in Crystals, 14(4), 340.
https://doi.org/10.3390/cryst14040340

Zagorac J, Schön JC, Matović B, Butulija S, Zagorac D. Hafnium Carbide: Prediction of Crystalline Structures and Investigation of Mechanical Properties. in Crystals. 2024;14(4):340.
doi:10.3390/cryst14040340 .

Zagorac, Jelena, Schön, Johann Christian, Matović, Branko, Butulija, Svetlana, Zagorac, Dejan, "Hafnium Carbide: Prediction of Crystalline Structures and Investigation of Mechanical Properties" in Crystals, 14, no. 4 (2024):340,
https://doi.org/10.3390/cryst14040340 . .

TY  - JOUR
AU  - Jovanović, Predrag
AU  - Borka Jovanović, Vesna
AU  - Borka, Duško
AU  - Zakharov, Alexander F.
PY  - 2024
PY  - 4
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13141
AB  - In this paper we use a modification of the Newtonian gravitational potential with a non-linear Yukawa-like correction, as it was proposed by C. Will earlier to obtain new bounds on graviton mass from the observed orbits of S-stars around the Galactic Center (GC). This phenomenological potential differs from the gravitational potential obtained in the weak field limit of Yukawa gravity, which we used in our previous studies. We also assumed that the orbital precession of S-stars is close to the prediction of General Relativity (GR) for Schwarzschild precession, but with a possible small discrepancy from it. This assumption is motivated by the fact that the GRAVITY Collaboration in 2020 and in 2022 detected Schwarzschild precession in the S2 star orbit around the Supermassive Black Hole (SMBH) at the GC. Using this approach, we were able to constrain parameter 𝜆  of the potential and, assuming that it represents the graviton Compton wavelength, we also found the corresponding upper bound of graviton mass. The obtained results were then compared with our previous estimates, as well as with the estimates of other authors.
T2  - Symmetry
T1  - Constraints on Graviton Mass from Schwarzschild Precession in the Orbits of S-Stars around the Galactic Center
VL  - 16
VL  - 16
IS  - 4
SP  - 397
SP  - 387
DO  - 10.3390/sym16040397
ER  - 

@article{
author = "Jovanović, Predrag and Borka Jovanović, Vesna and Borka, Duško and Zakharov, Alexander F.",
year = "2024, 4",
abstract = "In this paper we use a modification of the Newtonian gravitational potential with a non-linear Yukawa-like correction, as it was proposed by C. Will earlier to obtain new bounds on graviton mass from the observed orbits of S-stars around the Galactic Center (GC). This phenomenological potential differs from the gravitational potential obtained in the weak field limit of Yukawa gravity, which we used in our previous studies. We also assumed that the orbital precession of S-stars is close to the prediction of General Relativity (GR) for Schwarzschild precession, but with a possible small discrepancy from it. This assumption is motivated by the fact that the GRAVITY Collaboration in 2020 and in 2022 detected Schwarzschild precession in the S2 star orbit around the Supermassive Black Hole (SMBH) at the GC. Using this approach, we were able to constrain parameter 𝜆  of the potential and, assuming that it represents the graviton Compton wavelength, we also found the corresponding upper bound of graviton mass. The obtained results were then compared with our previous estimates, as well as with the estimates of other authors.",
journal = "Symmetry",
title = "Constraints on Graviton Mass from Schwarzschild Precession in the Orbits of S-Stars around the Galactic Center",
volume = "16, 16",
number = "4",
pages = "397-387",
doi = "10.3390/sym16040397"
}

Jovanović, P., Borka Jovanović, V., Borka, D.,& Zakharov, A. F.. (2024). Constraints on Graviton Mass from Schwarzschild Precession in the Orbits of S-Stars around the Galactic Center. in Symmetry, 16(4), 397.
https://doi.org/10.3390/sym16040397

Jovanović P, Borka Jovanović V, Borka D, Zakharov AF. Constraints on Graviton Mass from Schwarzschild Precession in the Orbits of S-Stars around the Galactic Center. in Symmetry. 2024;16(4):397.
doi:10.3390/sym16040397 .

Jovanović, Predrag, Borka Jovanović, Vesna, Borka, Duško, Zakharov, Alexander F., "Constraints on Graviton Mass from Schwarzschild Precession in the Orbits of S-Stars around the Galactic Center" in Symmetry, 16, no. 4 (2024):397,
https://doi.org/10.3390/sym16040397 . .

TY  - JOUR
AU  - Marić, Slađana
AU  - Jocić, Ana
AU  - Tekić, Danijela
AU  - Mušović, Jasmina
AU  - Milićević, Jelena
AU  - Dimitrijević, Aleksandra
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12838
AB  - This study explores the use of a series of cholinium ionic liquids (ILs) or salts in combination with polypropylene glycol 400 to form aqueous biphasic systems (ABS) for extracting various polarity pesticides (dicamba, clomazone, pyraclostrobin, and deltamethrin) from water. We assessed five cholinium-based salting-out agents ([Ch][DHP], [Ch]Cl, [Ch][Ac], [Ch][Lac], and [Ch][Nic]), chosen for their structural diversity and unique properties, such as high salting-out potential and different ability to undergo specific interactions. Liquid-liquid equilibrium phase diagrams were established, and partition experiments were conducted to evaluate extraction efficiency. Different partition patterns were obtained for studied pesticides, with [Ch][DHP] demonstrating the highest efficiency exceeding 90 % for each target pesticide due to its strong salting-out ability. On the other hand, more diverse partition trends due to specific interactions were obtained for low-melting cholinium-ILs ABS. The effect of pH and temperature on the partitioning behavior in [Ch][Ac]-based ABS highlighted the cholinium ILs extraction system's customizable nature. Focusing on [Ch]Cl for its eco-friendly aspects, widespread availability and excellent extraction performance, we optimized parameters for the removal of pesticides from real samples, applying the technology to spiked agricultural wastewater with an extraction efficiency of over 99 %. Our findings demonstrate the potential of cholinium-based IL-ABS in reducing environmental pollution through efficient pesticide extraction.
T2  - Separation and Purification Technology
T1  - Customizable cholinium-based aqueous biphasic systems as ecofriendly extraction platform for removal of pesticide from wastewaters
VL  - 340
SP  - 126609
DO  - 10.1016/j.seppur.2024.126609
ER  - 

@article{
author = "Marić, Slađana and Jocić, Ana and Tekić, Danijela and Mušović, Jasmina and Milićević, Jelena and Dimitrijević, Aleksandra",
year = "2024",
abstract = "This study explores the use of a series of cholinium ionic liquids (ILs) or salts in combination with polypropylene glycol 400 to form aqueous biphasic systems (ABS) for extracting various polarity pesticides (dicamba, clomazone, pyraclostrobin, and deltamethrin) from water. We assessed five cholinium-based salting-out agents ([Ch][DHP], [Ch]Cl, [Ch][Ac], [Ch][Lac], and [Ch][Nic]), chosen for their structural diversity and unique properties, such as high salting-out potential and different ability to undergo specific interactions. Liquid-liquid equilibrium phase diagrams were established, and partition experiments were conducted to evaluate extraction efficiency. Different partition patterns were obtained for studied pesticides, with [Ch][DHP] demonstrating the highest efficiency exceeding 90 % for each target pesticide due to its strong salting-out ability. On the other hand, more diverse partition trends due to specific interactions were obtained for low-melting cholinium-ILs ABS. The effect of pH and temperature on the partitioning behavior in [Ch][Ac]-based ABS highlighted the cholinium ILs extraction system's customizable nature. Focusing on [Ch]Cl for its eco-friendly aspects, widespread availability and excellent extraction performance, we optimized parameters for the removal of pesticides from real samples, applying the technology to spiked agricultural wastewater with an extraction efficiency of over 99 %. Our findings demonstrate the potential of cholinium-based IL-ABS in reducing environmental pollution through efficient pesticide extraction.",
journal = "Separation and Purification Technology",
title = "Customizable cholinium-based aqueous biphasic systems as ecofriendly extraction platform for removal of pesticide from wastewaters",
volume = "340",
pages = "126609",
doi = "10.1016/j.seppur.2024.126609"
}

Marić, S., Jocić, A., Tekić, D., Mušović, J., Milićević, J.,& Dimitrijević, A.. (2024). Customizable cholinium-based aqueous biphasic systems as ecofriendly extraction platform for removal of pesticide from wastewaters. in Separation and Purification Technology, 340, 126609.
https://doi.org/10.1016/j.seppur.2024.126609

Marić S, Jocić A, Tekić D, Mušović J, Milićević J, Dimitrijević A. Customizable cholinium-based aqueous biphasic systems as ecofriendly extraction platform for removal of pesticide from wastewaters. in Separation and Purification Technology. 2024;340:126609.
doi:10.1016/j.seppur.2024.126609 .

Marić, Slađana, Jocić, Ana, Tekić, Danijela, Mušović, Jasmina, Milićević, Jelena, Dimitrijević, Aleksandra, "Customizable cholinium-based aqueous biphasic systems as ecofriendly extraction platform for removal of pesticide from wastewaters" in Separation and Purification Technology, 340 (2024):126609,
https://doi.org/10.1016/j.seppur.2024.126609 . .

TY  - JOUR
AU  - Dimitrijević, Aleksandra
AU  - Marić, Slađana
AU  - Jocić, Ana
AU  - Tekić, Danijela
AU  - Mušović, Jasmina
AU  - Amaral, Joana S.
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13029
AB  - Polyphenols are natural compounds with enhanced antioxidant properties. They are present in relatively high concentrations in fruit/vegetable by-products. Therefore, there is a need for the development of efficient and cost-effective methods for the separation and purification of these valuable compounds. Traditional extraction with organic solvents needs to be switched to novel methods that are more efficient, with reduced extraction times and low consumption of organic solvents. Aiming at developing sustainable processes for the separation and purification of phenolic compounds, we used three model compounds, namely resveratrol, quercetin, and gallic acid, to investigate ionic liquid-based aqueous biphasic systems (IL-ABSs) formed by choliniumbased IL in combination with polypropylene glycol with a molecular mass of 400 g/mol (PPG400). The ABS composition in the two-phase region was selected according to a previously determined phase diagram. Extraction studies indicated the preferential partition of resveratrol and quercetin toward the hydrophobic PPG-rich phase that is mainly dominated by its hydrophobic nature and the strong salting-out effect of ILs. On the other hand, due to its considerably hydrophilic nature, gallic acid preferentially migrates toward the IL phase. The achieved results from grape stem extract demonstrated high extraction efficiencies of cholinium dihydrogen phosphate (~99% for resveratrol for the PPG phase and 78% for gallic acid for the IL phase), with considerable selectivity, demonstrating promising outcomes for potential applications.
T2  - Foods
T1  - Green Extraction Strategy Using Bio-Based Aqueous Biphasic Systems for Polyphenol Valorization from Grape By-Product
VL  - 13
IS  - 6
SP  - 954
DO  - 10.3390/foods13060954
ER  - 

@article{
author = "Dimitrijević, Aleksandra and Marić, Slađana and Jocić, Ana and Tekić, Danijela and Mušović, Jasmina and Amaral, Joana S.",
year = "2024",
abstract = "Polyphenols are natural compounds with enhanced antioxidant properties. They are present in relatively high concentrations in fruit/vegetable by-products. Therefore, there is a need for the development of efficient and cost-effective methods for the separation and purification of these valuable compounds. Traditional extraction with organic solvents needs to be switched to novel methods that are more efficient, with reduced extraction times and low consumption of organic solvents. Aiming at developing sustainable processes for the separation and purification of phenolic compounds, we used three model compounds, namely resveratrol, quercetin, and gallic acid, to investigate ionic liquid-based aqueous biphasic systems (IL-ABSs) formed by choliniumbased IL in combination with polypropylene glycol with a molecular mass of 400 g/mol (PPG400). The ABS composition in the two-phase region was selected according to a previously determined phase diagram. Extraction studies indicated the preferential partition of resveratrol and quercetin toward the hydrophobic PPG-rich phase that is mainly dominated by its hydrophobic nature and the strong salting-out effect of ILs. On the other hand, due to its considerably hydrophilic nature, gallic acid preferentially migrates toward the IL phase. The achieved results from grape stem extract demonstrated high extraction efficiencies of cholinium dihydrogen phosphate (~99% for resveratrol for the PPG phase and 78% for gallic acid for the IL phase), with considerable selectivity, demonstrating promising outcomes for potential applications.",
journal = "Foods",
title = "Green Extraction Strategy Using Bio-Based Aqueous Biphasic Systems for Polyphenol Valorization from Grape By-Product",
volume = "13",
number = "6",
pages = "954",
doi = "10.3390/foods13060954"
}

Dimitrijević, A., Marić, S., Jocić, A., Tekić, D., Mušović, J.,& Amaral, J. S.. (2024). Green Extraction Strategy Using Bio-Based Aqueous Biphasic Systems for Polyphenol Valorization from Grape By-Product. in Foods, 13(6), 954.
https://doi.org/10.3390/foods13060954

Dimitrijević A, Marić S, Jocić A, Tekić D, Mušović J, Amaral JS. Green Extraction Strategy Using Bio-Based Aqueous Biphasic Systems for Polyphenol Valorization from Grape By-Product. in Foods. 2024;13(6):954.
doi:10.3390/foods13060954 .

Dimitrijević, Aleksandra, Marić, Slađana, Jocić, Ana, Tekić, Danijela, Mušović, Jasmina, Amaral, Joana S., "Green Extraction Strategy Using Bio-Based Aqueous Biphasic Systems for Polyphenol Valorization from Grape By-Product" in Foods, 13, no. 6 (2024):954,
https://doi.org/10.3390/foods13060954 . .

TY  - JOUR
AU  - Anđelković, Ljubica
AU  - Šuljagić, Marija
AU  - Pavlović, Vladimir
AU  - Mirković, Miljana
AU  - Vrbica, Boško
AU  - Novaković, Irena
AU  - Stanković, Dalibor
AU  - Kremenović, Aleksandar
AU  - Uskoković, Vuk
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13175
AB  - Metals and metal oxides have subpar antibacterial activities compared to those of small-molecule antibiotics, yet there are hopes that with proper compositional and structural adjustments this gap might be bridged. In this study, titanium dioxide (TiO2) nanoparticles were mechanically activated and combined with particulate silver through simple reduction process elicited by UV irradiation and assisted with the ultrasound. The resulting powders in various combinations (Ag vs. no Ag, activated vs. non-activated) were characterized using a range of experimental techniques and assessed for their antibacterial activities. The preparation procedure presented in this work prevails over the disadvantages of many chemical routes, most critically by avoiding the use of toxic substances. The mechanical activation did not reduce the particle size or crystallinity of TiO2 nor did it consistently alter the bandgap, yet it enabled the doubling of the amount of silver incorporable into the material. Further, while both mechanical activation and the addition of silver in the amount not exceeding 0.5 wt% produced barely detectable structural changes in the material, they both augmented its antibacterial activity. The precursor TiO2 powder produced no inhibition zone against any of the four bacterial species tested, while the mechanical activation of TiO2 led to the formation of distinct inhibition zones against each of the four bacterial species tested. The addition of silver to activated TiO2 further widened the inhibition zones and it also imparted the antibacterial activity to non-activated TiO2. The boost in the antibacterial activity achieved by the short mechanical activation was of a similar magnitude as the boost obtained after the addition of silver. The antibacterial activity was not different for different species when no silver was added to the system. However, with the addition of silver, species selectivity was obtained, as the composites were more effective against the two Gram-negative species (Escherichia coli and Klebsiella pneumoniae) than against the two Gram-positive ones (Staphylococcus aureus and Bacillus subtilis). The antibacterial activity increased with the addition of silver in the broth assay, but it was mediocre compared to that detected in the agar assay, attesting to the poor dispersability of the powders and their best performance when the bacterial cells migrate to the composite surface than vice versa. The findings of this study give hope that with appropriate microstructural or compositional alterations, the antibacterial activity of metal oxide powders and inorganic materials in general can be made comparable to that of small-molecule antibiotics.
T2  - Colloids and Surfaces A: Physicochemical and Engineering Aspects
T1  - Mechanical activation and silver supplementation as determinants of the antibacterial activity of titanium dioxide nanoparticles
VL  - 691
SP  - 133890
DO  - 10.1016/j.colsurfa.2024.133890
ER  - 

@article{
author = "Anđelković, Ljubica and Šuljagić, Marija and Pavlović, Vladimir and Mirković, Miljana and Vrbica, Boško and Novaković, Irena and Stanković, Dalibor and Kremenović, Aleksandar and Uskoković, Vuk",
year = "2024",
abstract = "Metals and metal oxides have subpar antibacterial activities compared to those of small-molecule antibiotics, yet there are hopes that with proper compositional and structural adjustments this gap might be bridged. In this study, titanium dioxide (TiO2) nanoparticles were mechanically activated and combined with particulate silver through simple reduction process elicited by UV irradiation and assisted with the ultrasound. The resulting powders in various combinations (Ag vs. no Ag, activated vs. non-activated) were characterized using a range of experimental techniques and assessed for their antibacterial activities. The preparation procedure presented in this work prevails over the disadvantages of many chemical routes, most critically by avoiding the use of toxic substances. The mechanical activation did not reduce the particle size or crystallinity of TiO2 nor did it consistently alter the bandgap, yet it enabled the doubling of the amount of silver incorporable into the material. Further, while both mechanical activation and the addition of silver in the amount not exceeding 0.5 wt% produced barely detectable structural changes in the material, they both augmented its antibacterial activity. The precursor TiO2 powder produced no inhibition zone against any of the four bacterial species tested, while the mechanical activation of TiO2 led to the formation of distinct inhibition zones against each of the four bacterial species tested. The addition of silver to activated TiO2 further widened the inhibition zones and it also imparted the antibacterial activity to non-activated TiO2. The boost in the antibacterial activity achieved by the short mechanical activation was of a similar magnitude as the boost obtained after the addition of silver. The antibacterial activity was not different for different species when no silver was added to the system. However, with the addition of silver, species selectivity was obtained, as the composites were more effective against the two Gram-negative species (Escherichia coli and Klebsiella pneumoniae) than against the two Gram-positive ones (Staphylococcus aureus and Bacillus subtilis). The antibacterial activity increased with the addition of silver in the broth assay, but it was mediocre compared to that detected in the agar assay, attesting to the poor dispersability of the powders and their best performance when the bacterial cells migrate to the composite surface than vice versa. The findings of this study give hope that with appropriate microstructural or compositional alterations, the antibacterial activity of metal oxide powders and inorganic materials in general can be made comparable to that of small-molecule antibiotics.",
journal = "Colloids and Surfaces A: Physicochemical and Engineering Aspects",
title = "Mechanical activation and silver supplementation as determinants of the antibacterial activity of titanium dioxide nanoparticles",
volume = "691",
pages = "133890",
doi = "10.1016/j.colsurfa.2024.133890"
}

Anđelković, L., Šuljagić, M., Pavlović, V., Mirković, M., Vrbica, B., Novaković, I., Stanković, D., Kremenović, A.,& Uskoković, V.. (2024). Mechanical activation and silver supplementation as determinants of the antibacterial activity of titanium dioxide nanoparticles. in Colloids and Surfaces A: Physicochemical and Engineering Aspects, 691, 133890.
https://doi.org/10.1016/j.colsurfa.2024.133890

Anđelković L, Šuljagić M, Pavlović V, Mirković M, Vrbica B, Novaković I, Stanković D, Kremenović A, Uskoković V. Mechanical activation and silver supplementation as determinants of the antibacterial activity of titanium dioxide nanoparticles. in Colloids and Surfaces A: Physicochemical and Engineering Aspects. 2024;691:133890.
doi:10.1016/j.colsurfa.2024.133890 .

Anđelković, Ljubica, Šuljagić, Marija, Pavlović, Vladimir, Mirković, Miljana, Vrbica, Boško, Novaković, Irena, Stanković, Dalibor, Kremenović, Aleksandar, Uskoković, Vuk, "Mechanical activation and silver supplementation as determinants of the antibacterial activity of titanium dioxide nanoparticles" in Colloids and Surfaces A: Physicochemical and Engineering Aspects, 691 (2024):133890,
https://doi.org/10.1016/j.colsurfa.2024.133890 . .

TY  - CONF
AU  - Kragović, Milan
AU  - Gulicovski, Jelena
AU  - Milićević, Sonja
AU  - Pašalić, Snežana
AU  - Dašić, Predrag
AU  - Ristović, Ivica
AU  - Stojmenović, Marija
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13217
AB  - The influence of modification on the textural properties of the natural zeolite (NZ) and its efficiency for the heavy metals ions removal from contaminated aqueous solution was investigated. The mineralogical composition of the NZ showed that the dominant mineral is clinoptilolite. The surface of the NZ was modified combining the methods for pure goethite and iron-coated zeolite preparations. After modification, the cation exchange capacities and the specific surface area increased from 30.2 to 52.5 m2/g, i.e., from 141 to 165 meq/100g, respectively. Adsorption experiments were done for different heavy metals initial concentrations (copper(II) 0.8 - 12.6 Cu2+mmol/dm3 or lead(II) 1.9 – 29.0 Pb2+mmol/dm3), for 24h, at pH 4.2, in batch conditions. Results showed positive influence of modification on the heavy metals ions removal. The results were fitted with Langmuir and Freundlich adsorption models, and the best fits were obtained with Freundlich model (R2 > 0.92).
PB  - Springer Science and Business Media
C3  - The 17th International Conference Interdisciplinarity in Engineering : Conference Proceedings
T1  - Influence of Modification on the Textural Properties of the Natural Zeolite and Its Efficiency for the Heavy Metals Ions Removal from Contaminated Aqueous Solution
VL  - 926
VL  - 1
SP  - 267
EP  - 276
DO  - 10.1007/978-3-031-54664-8_25
ER  - 

@conference{
author = "Kragović, Milan and Gulicovski, Jelena and Milićević, Sonja and Pašalić, Snežana and Dašić, Predrag and Ristović, Ivica and Stojmenović, Marija",
year = "2024",
abstract = "The influence of modification on the textural properties of the natural zeolite (NZ) and its efficiency for the heavy metals ions removal from contaminated aqueous solution was investigated. The mineralogical composition of the NZ showed that the dominant mineral is clinoptilolite. The surface of the NZ was modified combining the methods for pure goethite and iron-coated zeolite preparations. After modification, the cation exchange capacities and the specific surface area increased from 30.2 to 52.5 m2/g, i.e., from 141 to 165 meq/100g, respectively. Adsorption experiments were done for different heavy metals initial concentrations (copper(II) 0.8 - 12.6 Cu2+mmol/dm3 or lead(II) 1.9 – 29.0 Pb2+mmol/dm3), for 24h, at pH 4.2, in batch conditions. Results showed positive influence of modification on the heavy metals ions removal. The results were fitted with Langmuir and Freundlich adsorption models, and the best fits were obtained with Freundlich model (R2 > 0.92).",
publisher = "Springer Science and Business Media",
journal = "The 17th International Conference Interdisciplinarity in Engineering : Conference Proceedings",
title = "Influence of Modification on the Textural Properties of the Natural Zeolite and Its Efficiency for the Heavy Metals Ions Removal from Contaminated Aqueous Solution",
volume = "926, 1",
pages = "267-276",
doi = "10.1007/978-3-031-54664-8_25"
}

Kragović, M., Gulicovski, J., Milićević, S., Pašalić, S., Dašić, P., Ristović, I.,& Stojmenović, M.. (2024). Influence of Modification on the Textural Properties of the Natural Zeolite and Its Efficiency for the Heavy Metals Ions Removal from Contaminated Aqueous Solution. in The 17th International Conference Interdisciplinarity in Engineering : Conference Proceedings
Springer Science and Business Media., 926, 267-276.
https://doi.org/10.1007/978-3-031-54664-8_25

Kragović M, Gulicovski J, Milićević S, Pašalić S, Dašić P, Ristović I, Stojmenović M. Influence of Modification on the Textural Properties of the Natural Zeolite and Its Efficiency for the Heavy Metals Ions Removal from Contaminated Aqueous Solution. in The 17th International Conference Interdisciplinarity in Engineering : Conference Proceedings. 2024;926:267-276.
doi:10.1007/978-3-031-54664-8_25 .

Kragović, Milan, Gulicovski, Jelena, Milićević, Sonja, Pašalić, Snežana, Dašić, Predrag, Ristović, Ivica, Stojmenović, Marija, "Influence of Modification on the Textural Properties of the Natural Zeolite and Its Efficiency for the Heavy Metals Ions Removal from Contaminated Aqueous Solution" in The 17th International Conference Interdisciplinarity in Engineering : Conference Proceedings, 926 (2024):267-276,
https://doi.org/10.1007/978-3-031-54664-8_25 . .

TY  - JOUR
AU  - Stojmenović, Marija
AU  - Gulicovski, Jelena
AU  - Nišić, Neda
AU  - Ristić, Nenad
AU  - Liu, Shanke
AU  - Loredo, Jorge
AU  - Kragović, Milan
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12916
AB  - This research presented, for the first time, the results of the successful application of the waste press sludges, WSLP (plant for lacquer and paint) and WSEP (powdery enamel plant), from a wastewater treatment plant generated during heating device production in the construction industry. The results of WSEP characterization and its influence on cement paste, mortar, and concrete properties showed that this material could be used as a cement replacement (with a maximum replacement amount of 20%) in producing mortar and concrete. Although waste WSLP sludge does not possess pozzolanic properties and does not meet the criteria prescribed by the standards for application in mortar and concrete due to its chemical inertness and fineness, as well as its extended setting time, it can be used as a replacement for stone filler or other powdered mineral admixture in the production of self-compacting concrete (SCC) in amounts up to 100%, with a maximum quantity of up to 100 kg/m3. The obtained results indicate that with the appropriate conversion, waste sludges, despite representing hazardous waste, can be used as safe products in the construction industry; i.e., the waste material can become a useful and valuable raw material by applying (respecting) all of the principles of the green economy.
T2  - Materials
T1  - Sustainable Application of Waste Sludges from the Wastewater Treatment Plant Generated during the Production of Heating Devices in the Construction Industry
VL  - 17
IS  - 5
SP  - 1089
DO  - 10.3390/ma17051089
ER  - 

@article{
author = "Stojmenović, Marija and Gulicovski, Jelena and Nišić, Neda and Ristić, Nenad and Liu, Shanke and Loredo, Jorge and Kragović, Milan",
year = "2024",
abstract = "This research presented, for the first time, the results of the successful application of the waste press sludges, WSLP (plant for lacquer and paint) and WSEP (powdery enamel plant), from a wastewater treatment plant generated during heating device production in the construction industry. The results of WSEP characterization and its influence on cement paste, mortar, and concrete properties showed that this material could be used as a cement replacement (with a maximum replacement amount of 20%) in producing mortar and concrete. Although waste WSLP sludge does not possess pozzolanic properties and does not meet the criteria prescribed by the standards for application in mortar and concrete due to its chemical inertness and fineness, as well as its extended setting time, it can be used as a replacement for stone filler or other powdered mineral admixture in the production of self-compacting concrete (SCC) in amounts up to 100%, with a maximum quantity of up to 100 kg/m3. The obtained results indicate that with the appropriate conversion, waste sludges, despite representing hazardous waste, can be used as safe products in the construction industry; i.e., the waste material can become a useful and valuable raw material by applying (respecting) all of the principles of the green economy.",
journal = "Materials",
title = "Sustainable Application of Waste Sludges from the Wastewater Treatment Plant Generated during the Production of Heating Devices in the Construction Industry",
volume = "17",
number = "5",
pages = "1089",
doi = "10.3390/ma17051089"
}

Stojmenović, M., Gulicovski, J., Nišić, N., Ristić, N., Liu, S., Loredo, J.,& Kragović, M.. (2024). Sustainable Application of Waste Sludges from the Wastewater Treatment Plant Generated during the Production of Heating Devices in the Construction Industry. in Materials, 17(5), 1089.
https://doi.org/10.3390/ma17051089

Stojmenović M, Gulicovski J, Nišić N, Ristić N, Liu S, Loredo J, Kragović M. Sustainable Application of Waste Sludges from the Wastewater Treatment Plant Generated during the Production of Heating Devices in the Construction Industry. in Materials. 2024;17(5):1089.
doi:10.3390/ma17051089 .

Stojmenović, Marija, Gulicovski, Jelena, Nišić, Neda, Ristić, Nenad, Liu, Shanke, Loredo, Jorge, Kragović, Milan, "Sustainable Application of Waste Sludges from the Wastewater Treatment Plant Generated during the Production of Heating Devices in the Construction Industry" in Materials, 17, no. 5 (2024):1089,
https://doi.org/10.3390/ma17051089 . .

TY  - JOUR
AU  - Gulicovski, Jelena
AU  - Stojmenović, Marija
AU  - Rosić, Milena
AU  - Vasić, Andrijana
AU  - Ristović, Ivica
AU  - Janković-Častvan, Ivona
AU  - Kragović, Milan
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12917
AB  - The possibility of using waste tailings produced by flotation in the lead and zinc mine of Grot, Serbia as a potential source of secondary mineral raw materials was examined. The aim of the research was primarily to carry out a detailed characterization in order to determine the dominant minerals, and, for the first time, to trace the changes occurring in the unit cells of the minerals present in that deposit. There was also a need to determine the exact proportions of the present mineral phases for their further application and utilization as natural resources in environmental protection. Samples were taken from three different sections of tailings: the crest of dam (JKB), outlet pipe of the flotation facility (JOF) and hydrocyclone overflow (JHC). Granulometric separation was performed to facilitate the extraction of certain minerals from waste. The results showed that all samples mainly contained quartz, clinochlore, calcite, albite, pyrite and biotite, but their ratios in each sample varied significantly. After characterization, samples were separated into different fractions and their mineralogical compositions were determined. Depending on the fraction, the mineralogical compositions also changed. Mineralogy and geochemical analysis indicate that waste tailings can be used as a secondary mineral raw materials source applicable in various industries.
T2  - Applied Sciences
T1  - Mineralogical Characterization of the Grot Lead and Zinc Mine Tailings from Aspects of Their Further Use as Raw Material
VL  - 14
IS  - 3
SP  - 1167
DO  - 10.3390/app14031167
ER  - 

@article{
author = "Gulicovski, Jelena and Stojmenović, Marija and Rosić, Milena and Vasić, Andrijana and Ristović, Ivica and Janković-Častvan, Ivona and Kragović, Milan",
year = "2024",
abstract = "The possibility of using waste tailings produced by flotation in the lead and zinc mine of Grot, Serbia as a potential source of secondary mineral raw materials was examined. The aim of the research was primarily to carry out a detailed characterization in order to determine the dominant minerals, and, for the first time, to trace the changes occurring in the unit cells of the minerals present in that deposit. There was also a need to determine the exact proportions of the present mineral phases for their further application and utilization as natural resources in environmental protection. Samples were taken from three different sections of tailings: the crest of dam (JKB), outlet pipe of the flotation facility (JOF) and hydrocyclone overflow (JHC). Granulometric separation was performed to facilitate the extraction of certain minerals from waste. The results showed that all samples mainly contained quartz, clinochlore, calcite, albite, pyrite and biotite, but their ratios in each sample varied significantly. After characterization, samples were separated into different fractions and their mineralogical compositions were determined. Depending on the fraction, the mineralogical compositions also changed. Mineralogy and geochemical analysis indicate that waste tailings can be used as a secondary mineral raw materials source applicable in various industries.",
journal = "Applied Sciences",
title = "Mineralogical Characterization of the Grot Lead and Zinc Mine Tailings from Aspects of Their Further Use as Raw Material",
volume = "14",
number = "3",
pages = "1167",
doi = "10.3390/app14031167"
}

Gulicovski, J., Stojmenović, M., Rosić, M., Vasić, A., Ristović, I., Janković-Častvan, I.,& Kragović, M.. (2024). Mineralogical Characterization of the Grot Lead and Zinc Mine Tailings from Aspects of Their Further Use as Raw Material. in Applied Sciences, 14(3), 1167.
https://doi.org/10.3390/app14031167

Gulicovski J, Stojmenović M, Rosić M, Vasić A, Ristović I, Janković-Častvan I, Kragović M. Mineralogical Characterization of the Grot Lead and Zinc Mine Tailings from Aspects of Their Further Use as Raw Material. in Applied Sciences. 2024;14(3):1167.
doi:10.3390/app14031167 .

Gulicovski, Jelena, Stojmenović, Marija, Rosić, Milena, Vasić, Andrijana, Ristović, Ivica, Janković-Častvan, Ivona, Kragović, Milan, "Mineralogical Characterization of the Grot Lead and Zinc Mine Tailings from Aspects of Their Further Use as Raw Material" in Applied Sciences, 14, no. 3 (2024):1167,
https://doi.org/10.3390/app14031167 . .

TY  - JOUR
AU  - Mirković, Miljana
AU  - Bracanović, Ivan
AU  - Krstić, Aleksandar
AU  - Đukić, Dunja
AU  - Dodevski, Vladimir
AU  - Kalijadis, Ana
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12991
AB  - Octacalcium phosphate (OCP) is a material from the calcium phos-phate group with a crystal structure similar to hydroxyapatite. The removal process of lead and cadmium in aqueous solution using octacalcium phosphate material was investigated. OCP material was synthesized by the solution pre-cipitation method. The structural and phase properties of OCP before and after the removal process were determined by the X-ray diffraction (XRD) method. Microstructural and semi-quantitative analysis of the material was investigated by  scanning  electron  microscopy  and  energy  dispersive  X-ray  spectroscopy (SEM-EDS).  Characteristic  bands  and  functional  group  determination  were revealed  using  the  Fourier-transform  infrared  spectroscopy  with  attenuated total  reflection  (FTIR-ATR).  As  target  pollutants,  Cd(II)  and  Pb(II)  were chosen in adsorption experiments. Results show that OCP in the first 10 min has a very fast removal rate for Pb(II); the equilibrium state was reached after 10 min with more than 98 % adsorption efficiency. Results for Cd(II), results showed  the  same  removal  rate  but  somewhat    lower  adsorption  efficiency, amounted to approximately 63 %.
T2  - Journal of the Serbian Chemical Society
T1  - Removal of lead and cadmium from aqueous solution using octacalcium phosphate as an adsorbent
T1  - Uklanjanje olova i kadmijuma iz vodenog rastvora koristeći okrakalcijum-fosfat kao adsorbent
VL  - 89
IS  - 2
SP  - 231
EP  - 244
DO  - 10.2298/JSC230915104M
ER  - 

@article{
author = "Mirković, Miljana and Bracanović, Ivan and Krstić, Aleksandar and Đukić, Dunja and Dodevski, Vladimir and Kalijadis, Ana",
year = "2024",
abstract = "Octacalcium phosphate (OCP) is a material from the calcium phos-phate group with a crystal structure similar to hydroxyapatite. The removal process of lead and cadmium in aqueous solution using octacalcium phosphate material was investigated. OCP material was synthesized by the solution pre-cipitation method. The structural and phase properties of OCP before and after the removal process were determined by the X-ray diffraction (XRD) method. Microstructural and semi-quantitative analysis of the material was investigated by  scanning  electron  microscopy  and  energy  dispersive  X-ray  spectroscopy (SEM-EDS).  Characteristic  bands  and  functional  group  determination  were revealed  using  the  Fourier-transform  infrared  spectroscopy  with  attenuated total  reflection  (FTIR-ATR).  As  target  pollutants,  Cd(II)  and  Pb(II)  were chosen in adsorption experiments. Results show that OCP in the first 10 min has a very fast removal rate for Pb(II); the equilibrium state was reached after 10 min with more than 98 % adsorption efficiency. Results for Cd(II), results showed  the  same  removal  rate  but  somewhat    lower  adsorption  efficiency, amounted to approximately 63 %.",
journal = "Journal of the Serbian Chemical Society",
title = "Removal of lead and cadmium from aqueous solution using octacalcium phosphate as an adsorbent, Uklanjanje olova i kadmijuma iz vodenog rastvora koristeći okrakalcijum-fosfat kao adsorbent",
volume = "89",
number = "2",
pages = "231-244",
doi = "10.2298/JSC230915104M"
}

Mirković, M., Bracanović, I., Krstić, A., Đukić, D., Dodevski, V.,& Kalijadis, A.. (2024). Removal of lead and cadmium from aqueous solution using octacalcium phosphate as an adsorbent. in Journal of the Serbian Chemical Society, 89(2), 231-244.
https://doi.org/10.2298/JSC230915104M

Mirković M, Bracanović I, Krstić A, Đukić D, Dodevski V, Kalijadis A. Removal of lead and cadmium from aqueous solution using octacalcium phosphate as an adsorbent. in Journal of the Serbian Chemical Society. 2024;89(2):231-244.
doi:10.2298/JSC230915104M .

Mirković, Miljana, Bracanović, Ivan, Krstić, Aleksandar, Đukić, Dunja, Dodevski, Vladimir, Kalijadis, Ana, "Removal of lead and cadmium from aqueous solution using octacalcium phosphate as an adsorbent" in Journal of the Serbian Chemical Society, 89, no. 2 (2024):231-244,
https://doi.org/10.2298/JSC230915104M . .

TY  - JOUR
AU  - Živković, Maja
AU  - Stanković, Aleksandra
AU  - Končar, Igor
AU  - Kolaković, Ana
AU  - Bošković, Maja
AU  - Đurić, Tamara
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13193
AB  - Background The MMP-9 is a known player in atherosclerosis, yet associations of the MMP-9 -1562 C/T variant (rs3918242) with various atherosclerotic phenotypes and tissue mRNA expression are still contradictory. This study aimed to investigate the MMP-9 -1562 C/T variant, its mRNA and protein expression in carotid plaque (CP) tissue, as a risk factor for CP presence and as a marker of different plaque phenotypes (hyperechoic and hypoechoic) in patients undergoing carotid endarterectomy. The MnSOD as an MMP-9 negative regulator was also studied in relation to CP phenotypes. Methods and results Genotyping of 770 participants (285 controls/485 patients) was done by tetra-primer ARMS PCR. The MMP-9 mRNA expression in 88 human CP tissues was detected by TaqMan® technology. The protein levels of MMP-9 and MnSOD were assessed by Western blot analysis. The MMP-9 -1562 C/T variant was not recognized as a risk factor for plaque presence or in predisposing MMP-9 mRNA and protein levels in plaque tissue. Patients with hypoechoic plaques had significantly lower MMP-9 mRNA and protein levels than those with hyperechoic plaque (p = 0.008, p = 0.003, respectively). MnSOD protein level was significantly higher in hypoechoic plaque compared to hyperechoic (p = 0.039). MMP-9 protein expression in CP tissue was significantly affected by sex and plaque type interaction (p = 0.009). Conclusions Considering the differences of MMP-9 mRNA and protein expression in CP tissue regarding different plaque phenotypes and the observed sex-specific effect, the role of MMP-9 in human atherosclerotic plaques should be further elucidated.
T2  - Molecular Biology Reports
T1  - The MMP-9 promoter genetic variant rs3918242, mRNA and protein expression in advanced carotid plaque tissue
VL  - 51
IS  - 1
DO  - 10.1007/s11033-024-09458-w
ER  - 

@article{
author = "Živković, Maja and Stanković, Aleksandra and Končar, Igor and Kolaković, Ana and Bošković, Maja and Đurić, Tamara",
year = "2024",
abstract = "Background The MMP-9 is a known player in atherosclerosis, yet associations of the MMP-9 -1562 C/T variant (rs3918242) with various atherosclerotic phenotypes and tissue mRNA expression are still contradictory. This study aimed to investigate the MMP-9 -1562 C/T variant, its mRNA and protein expression in carotid plaque (CP) tissue, as a risk factor for CP presence and as a marker of different plaque phenotypes (hyperechoic and hypoechoic) in patients undergoing carotid endarterectomy. The MnSOD as an MMP-9 negative regulator was also studied in relation to CP phenotypes. Methods and results Genotyping of 770 participants (285 controls/485 patients) was done by tetra-primer ARMS PCR. The MMP-9 mRNA expression in 88 human CP tissues was detected by TaqMan® technology. The protein levels of MMP-9 and MnSOD were assessed by Western blot analysis. The MMP-9 -1562 C/T variant was not recognized as a risk factor for plaque presence or in predisposing MMP-9 mRNA and protein levels in plaque tissue. Patients with hypoechoic plaques had significantly lower MMP-9 mRNA and protein levels than those with hyperechoic plaque (p = 0.008, p = 0.003, respectively). MnSOD protein level was significantly higher in hypoechoic plaque compared to hyperechoic (p = 0.039). MMP-9 protein expression in CP tissue was significantly affected by sex and plaque type interaction (p = 0.009). Conclusions Considering the differences of MMP-9 mRNA and protein expression in CP tissue regarding different plaque phenotypes and the observed sex-specific effect, the role of MMP-9 in human atherosclerotic plaques should be further elucidated.",
journal = "Molecular Biology Reports",
title = "The MMP-9 promoter genetic variant rs3918242, mRNA and protein expression in advanced carotid plaque tissue",
volume = "51",
number = "1",
doi = "10.1007/s11033-024-09458-w"
}

Živković, M., Stanković, A., Končar, I., Kolaković, A., Bošković, M.,& Đurić, T.. (2024). The MMP-9 promoter genetic variant rs3918242, mRNA and protein expression in advanced carotid plaque tissue. in Molecular Biology Reports, 51(1).
https://doi.org/10.1007/s11033-024-09458-w

Živković M, Stanković A, Končar I, Kolaković A, Bošković M, Đurić T. The MMP-9 promoter genetic variant rs3918242, mRNA and protein expression in advanced carotid plaque tissue. in Molecular Biology Reports. 2024;51(1).
doi:10.1007/s11033-024-09458-w .

Živković, Maja, Stanković, Aleksandra, Končar, Igor, Kolaković, Ana, Bošković, Maja, Đurić, Tamara, "The MMP-9 promoter genetic variant rs3918242, mRNA and protein expression in advanced carotid plaque tissue" in Molecular Biology Reports, 51, no. 1 (2024),
https://doi.org/10.1007/s11033-024-09458-w . .

TY  - CONF
AU  - Cvijović-Alagić, Ivana
AU  - Maletaškić, Jelena
AU  - Pavkov, Vladimir
AU  - Putić, Slaviša
AU  - Matović, Branko
AU  - Maksimović, Vesna
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13200
PB  - Belgrade : Vinča Institute of Nuclear Sciences - National Institute of thе Republic of Serbia, University of Belgrade
PB  - Belgrade : Serbian Society for Innovative Materials in Extreme Conditions (SIM-EXTREME)
C3  - IMEC2024 - 2nd International Conference on Innovative Materials in Extreme Conditions : Book of abstracts
T1  - Hydrogen embrittlement in additively manufactured metals: A concise review
SP  - 57
EP  - 57
UR  - https://hdl.handle.net/21.15107/rcub_vinar_13200
ER  - 

@conference{
author = "Cvijović-Alagić, Ivana and Maletaškić, Jelena and Pavkov, Vladimir and Putić, Slaviša and Matović, Branko and Maksimović, Vesna",
year = "2024",
publisher = "Belgrade : Vinča Institute of Nuclear Sciences - National Institute of thе Republic of Serbia, University of Belgrade, Belgrade : Serbian Society for Innovative Materials in Extreme Conditions (SIM-EXTREME)",
journal = "IMEC2024 - 2nd International Conference on Innovative Materials in Extreme Conditions : Book of abstracts",
title = "Hydrogen embrittlement in additively manufactured metals: A concise review",
pages = "57-57",
url = "https://hdl.handle.net/21.15107/rcub_vinar_13200"
}

Cvijović-Alagić, I., Maletaškić, J., Pavkov, V., Putić, S., Matović, B.,& Maksimović, V.. (2024). Hydrogen embrittlement in additively manufactured metals: A concise review. in IMEC2024 - 2nd International Conference on Innovative Materials in Extreme Conditions : Book of abstracts
Belgrade : Vinča Institute of Nuclear Sciences - National Institute of thе Republic of Serbia, University of Belgrade., 57-57.
https://hdl.handle.net/21.15107/rcub_vinar_13200

Cvijović-Alagić I, Maletaškić J, Pavkov V, Putić S, Matović B, Maksimović V. Hydrogen embrittlement in additively manufactured metals: A concise review. in IMEC2024 - 2nd International Conference on Innovative Materials in Extreme Conditions : Book of abstracts. 2024;:57-57.
https://hdl.handle.net/21.15107/rcub_vinar_13200 .

Cvijović-Alagić, Ivana, Maletaškić, Jelena, Pavkov, Vladimir, Putić, Slaviša, Matović, Branko, Maksimović, Vesna, "Hydrogen embrittlement in additively manufactured metals: A concise review" in IMEC2024 - 2nd International Conference on Innovative Materials in Extreme Conditions : Book of abstracts (2024):57-57,
https://hdl.handle.net/21.15107/rcub_vinar_13200 .

TY  - JOUR
AU  - Marinković, Aleksandar
AU  - Milošević, Milena
AU  - Vuksanović, Marija
AU  - Jančić-Heinemann, Radmila
AU  - Matijašević, Milica
AU  - Radmilović, Vuk
AU  - Živković, Predrag
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13199
AB  - U ovom radu su predstavljene mogućnosti povećanja hidrofobnosti površine papira nanošenjem slojeva hidrofobnog materijala na njegovu površinu. Ispitane su dve različite tehnike nanošenja stearinske kiseline, šelaka i cink-hidroksida na površinu papira. Hidrofobnost je ispitana modifikovanom metodom po Kobu, merenjem ugla kvašenja i vremena zadržavanja kapi. Prisustvo sredstava za hidrofobizaciju potvrđeno je FTIR spektroskopijom. Utvrđeno je da se, primenjenim metodama nanošenja, mnogo bolji rezultati dobijaju sa stearinskom kiselinom nego sa šelakom.
AB  - The paper shows the possibilities of increasing the hydrophobicity of the paper surface by applying layers of hydrophobic material to the surface. Various application techniques and the following substances were tested: stearic acid, shellac and zinc-hydroxide. Hydrophobicity was tested using the modified Cobb method, measuring the contact angle and drop retention time. The presence of hydrophobizing agents was confirmed by FTIR spectroscopy. It was found that the methods of applying the hydrophobizing agent, used in this work, give much better results with stearic acid, compared to shellac. This manuscript presents novel possibilities of increasing paper surface hydrophobicity by applying layers of hydrophobic material to the surface. Various layer application techniques were examined, as well as substances including: stearic acid, shellac and zinc-hydroxide. Hydrophobicity was tested using the modified Cobb method, measuring the contact angle and drop retention time. The presence of hydrophobizing agents was confirmed by FTIR spectroscopy. Based on the results achieved, it can be concluded that the methods of applying the hydrophobizing agent, used in this work, give much better results with stearic acid, compared to shellac.
T2  - Tehnika
T1  - Površinska hidrofobizacija ručno pravljenog papira
T1  - Surface hydrophobization of handmade paper
VL  - 79
IS  - 2
SP  - 135
EP  - 142
DO  - 10.5937/tehnika2402135M
ER  - 

@article{
author = "Marinković, Aleksandar and Milošević, Milena and Vuksanović, Marija and Jančić-Heinemann, Radmila and Matijašević, Milica and Radmilović, Vuk and Živković, Predrag",
year = "2024",
abstract = "U ovom radu su predstavljene mogućnosti povećanja hidrofobnosti površine papira nanošenjem slojeva hidrofobnog materijala na njegovu površinu. Ispitane su dve različite tehnike nanošenja stearinske kiseline, šelaka i cink-hidroksida na površinu papira. Hidrofobnost je ispitana modifikovanom metodom po Kobu, merenjem ugla kvašenja i vremena zadržavanja kapi. Prisustvo sredstava za hidrofobizaciju potvrđeno je FTIR spektroskopijom. Utvrđeno je da se, primenjenim metodama nanošenja, mnogo bolji rezultati dobijaju sa stearinskom kiselinom nego sa šelakom., The paper shows the possibilities of increasing the hydrophobicity of the paper surface by applying layers of hydrophobic material to the surface. Various application techniques and the following substances were tested: stearic acid, shellac and zinc-hydroxide. Hydrophobicity was tested using the modified Cobb method, measuring the contact angle and drop retention time. The presence of hydrophobizing agents was confirmed by FTIR spectroscopy. It was found that the methods of applying the hydrophobizing agent, used in this work, give much better results with stearic acid, compared to shellac. This manuscript presents novel possibilities of increasing paper surface hydrophobicity by applying layers of hydrophobic material to the surface. Various layer application techniques were examined, as well as substances including: stearic acid, shellac and zinc-hydroxide. Hydrophobicity was tested using the modified Cobb method, measuring the contact angle and drop retention time. The presence of hydrophobizing agents was confirmed by FTIR spectroscopy. Based on the results achieved, it can be concluded that the methods of applying the hydrophobizing agent, used in this work, give much better results with stearic acid, compared to shellac.",
journal = "Tehnika",
title = "Površinska hidrofobizacija ručno pravljenog papira, Surface hydrophobization of handmade paper",
volume = "79",
number = "2",
pages = "135-142",
doi = "10.5937/tehnika2402135M"
}

Marinković, A., Milošević, M., Vuksanović, M., Jančić-Heinemann, R., Matijašević, M., Radmilović, V.,& Živković, P.. (2024). Površinska hidrofobizacija ručno pravljenog papira. in Tehnika, 79(2), 135-142.
https://doi.org/10.5937/tehnika2402135M

Marinković A, Milošević M, Vuksanović M, Jančić-Heinemann R, Matijašević M, Radmilović V, Živković P. Površinska hidrofobizacija ručno pravljenog papira. in Tehnika. 2024;79(2):135-142.
doi:10.5937/tehnika2402135M .

Marinković, Aleksandar, Milošević, Milena, Vuksanović, Marija, Jančić-Heinemann, Radmila, Matijašević, Milica, Radmilović, Vuk, Živković, Predrag, "Površinska hidrofobizacija ručno pravljenog papira" in Tehnika, 79, no. 2 (2024):135-142,
https://doi.org/10.5937/tehnika2402135M . .

TY  - JOUR
AU  - Srivastava, Alok M.
AU  - Brik, Mikhail G.
AU  - Ma, Chong-Geng
AU  - Beers, William W.
AU  - Cohen, William E.
AU  - Piasecki, Michal
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13190
AB  - The spectroscopic properties of the Mn4+ ion are investigated in the series of isostructural double perovskite compounds, Ba2BTaO6 (B = Y, Lu, Sc). A comparison of these properties highlights the influence of covalent bonding within the perovskite framework and the degree of order between the B3+–Ta cations on the energy and intensity of the Mn4+2E → 4A2 emission transition (R-line). These two parameters of the emission spectrum are of importance for practical application since they determine the phosphor luminous efficacy. The influence of covalent bonding within the corner shared BO6/2 and TaO6/2 perovskite framework on the energy of the R-line energy is investigated. From the spectroscopic data, we have derived information on the influence of the degree of order between the B3+ and Ta5+ cations on the intensity of the R-line. The lowest energy and the highest intensity of the R-line are found in the double perovskite, Ba2ScTaO6. The purpose of this work is to propose for first time an explanation of these effects in the considered double perovskites. The obtained results are useful guidelines for practical improvement and tuning of key parameters of phosphors to the desired values.
T2  - The Journal of Physical Chemistry Letters
T1  - Effect of Covalence and Degree of Cation Order on the Luminous Efficacy of Mn4+ Luminescence in the Double Perovskites, Ba2BTaO6 (B = Y, Lu, Sc)
VL  - 15
SP  - 4175
EP  - 4184
DO  - 10.1021/acs.jpclett.4c00205
ER  - 

@article{
author = "Srivastava, Alok M. and Brik, Mikhail G. and Ma, Chong-Geng and Beers, William W. and Cohen, William E. and Piasecki, Michal",
year = "2024",
abstract = "The spectroscopic properties of the Mn4+ ion are investigated in the series of isostructural double perovskite compounds, Ba2BTaO6 (B = Y, Lu, Sc). A comparison of these properties highlights the influence of covalent bonding within the perovskite framework and the degree of order between the B3+–Ta cations on the energy and intensity of the Mn4+2E → 4A2 emission transition (R-line). These two parameters of the emission spectrum are of importance for practical application since they determine the phosphor luminous efficacy. The influence of covalent bonding within the corner shared BO6/2 and TaO6/2 perovskite framework on the energy of the R-line energy is investigated. From the spectroscopic data, we have derived information on the influence of the degree of order between the B3+ and Ta5+ cations on the intensity of the R-line. The lowest energy and the highest intensity of the R-line are found in the double perovskite, Ba2ScTaO6. The purpose of this work is to propose for first time an explanation of these effects in the considered double perovskites. The obtained results are useful guidelines for practical improvement and tuning of key parameters of phosphors to the desired values.",
journal = "The Journal of Physical Chemistry Letters",
title = "Effect of Covalence and Degree of Cation Order on the Luminous Efficacy of Mn4+ Luminescence in the Double Perovskites, Ba2BTaO6 (B = Y, Lu, Sc)",
volume = "15",
pages = "4175-4184",
doi = "10.1021/acs.jpclett.4c00205"
}

Srivastava, A. M., Brik, M. G., Ma, C., Beers, W. W., Cohen, W. E.,& Piasecki, M.. (2024). Effect of Covalence and Degree of Cation Order on the Luminous Efficacy of Mn4+ Luminescence in the Double Perovskites, Ba2BTaO6 (B = Y, Lu, Sc). in The Journal of Physical Chemistry Letters, 15, 4175-4184.
https://doi.org/10.1021/acs.jpclett.4c00205

Srivastava AM, Brik MG, Ma C, Beers WW, Cohen WE, Piasecki M. Effect of Covalence and Degree of Cation Order on the Luminous Efficacy of Mn4+ Luminescence in the Double Perovskites, Ba2BTaO6 (B = Y, Lu, Sc). in The Journal of Physical Chemistry Letters. 2024;15:4175-4184.
doi:10.1021/acs.jpclett.4c00205 .

Srivastava, Alok M., Brik, Mikhail G., Ma, Chong-Geng, Beers, William W., Cohen, William E., Piasecki, Michal, "Effect of Covalence and Degree of Cation Order on the Luminous Efficacy of Mn4+ Luminescence in the Double Perovskites, Ba2BTaO6 (B = Y, Lu, Sc)" in The Journal of Physical Chemistry Letters, 15 (2024):4175-4184,
https://doi.org/10.1021/acs.jpclett.4c00205 . .

TY  - JOUR
AU  - Prekodravac, Jovana
AU  - Vasiljević, Bojana R.
AU  - Žakula, Jelena
AU  - Popović, Maja
AU  - Pavlović, Vladimir
AU  - Ciasca, Gabriele
AU  - Romanò, Sabrina
AU  - Todorović Marković, Biljana
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12446
AB  - Carbon quantum dots (CQDs) have exceptional physical-chemical properties that make them suitable for a wide range of uses, such as the photocatalytic removal of organic contaminants from water. Here, we provide a one-step, ecologically friendly, and economical method for creating iron/nitrogen co-doped (Fe/N-CQD) and nitrogen-doped (N-CQD) quantum dot nanomaterials. The characteristics of the developed nanomaterials were investigated with regard to how surface chemistry impacts their capacity for adsorption and photoactivity in a case study of a specific water pollutant reduction. The influence of the two irradiation sources-operating in the UV and visible ranges-on the photoactivity of materials was highlighted. Finally, their eco-friendliness was examined on four different human tumor cell lines.
T2  - Optical Materials
T1  - Carbon quantum dots surface chemistry: Evaluation of Photo and Cytotoxic activity
VL  - 147
SP  - 114629
DO  - 10.1016/j.optmat.2023.114629
ER  - 

@article{
author = "Prekodravac, Jovana and Vasiljević, Bojana R. and Žakula, Jelena and Popović, Maja and Pavlović, Vladimir and Ciasca, Gabriele and Romanò, Sabrina and Todorović Marković, Biljana",
year = "2024",
abstract = "Carbon quantum dots (CQDs) have exceptional physical-chemical properties that make them suitable for a wide range of uses, such as the photocatalytic removal of organic contaminants from water. Here, we provide a one-step, ecologically friendly, and economical method for creating iron/nitrogen co-doped (Fe/N-CQD) and nitrogen-doped (N-CQD) quantum dot nanomaterials. The characteristics of the developed nanomaterials were investigated with regard to how surface chemistry impacts their capacity for adsorption and photoactivity in a case study of a specific water pollutant reduction. The influence of the two irradiation sources-operating in the UV and visible ranges-on the photoactivity of materials was highlighted. Finally, their eco-friendliness was examined on four different human tumor cell lines.",
journal = "Optical Materials",
title = "Carbon quantum dots surface chemistry: Evaluation of Photo and Cytotoxic activity",
volume = "147",
pages = "114629",
doi = "10.1016/j.optmat.2023.114629"
}

Prekodravac, J., Vasiljević, B. R., Žakula, J., Popović, M., Pavlović, V., Ciasca, G., Romanò, S.,& Todorović Marković, B.. (2024). Carbon quantum dots surface chemistry: Evaluation of Photo and Cytotoxic activity. in Optical Materials, 147, 114629.
https://doi.org/10.1016/j.optmat.2023.114629

Prekodravac J, Vasiljević BR, Žakula J, Popović M, Pavlović V, Ciasca G, Romanò S, Todorović Marković B. Carbon quantum dots surface chemistry: Evaluation of Photo and Cytotoxic activity. in Optical Materials. 2024;147:114629.
doi:10.1016/j.optmat.2023.114629 .

Prekodravac, Jovana, Vasiljević, Bojana R., Žakula, Jelena, Popović, Maja, Pavlović, Vladimir, Ciasca, Gabriele, Romanò, Sabrina, Todorović Marković, Biljana, "Carbon quantum dots surface chemistry: Evaluation of Photo and Cytotoxic activity" in Optical Materials, 147 (2024):114629,
https://doi.org/10.1016/j.optmat.2023.114629 . .

TY  - JOUR
AU  - Novaković, Slađana B.
AU  - Bogdanović, Goran A.
AU  - Ratković, Zoran
AU  - Blagojević, Stefan
AU  - Matić, Sanja Lj.
AU  - Muškinja, Jovana
PY  - 2024
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/13183
AB  - Two series of new ferrocenyl pyrazolines have been synthesized by the reac-tion of ferrocenyl chalcones and their analogues with hydrazine hydrate in thepresence of corresponding carboxylic acid. Single-crystal X-ray crystallographicdata were used for detailed analysis of the interesting versatility of four com-pounds in the formation of intermolecular interactions. The analysis revealedan excellent structural flexibility of the present ferrocenyl pyrazoline moleculesfor the non-covalent interactions, with a particular contribution of the ferro-cene units. In addition, for comparison with crystallographic findings, weinvestigated the protective effect of all compounds on DNA against hydroxyland peroxyl radicals induced by Fe2+,H2O2, and 2,20-azobis(2-amidinopro-pane) dihydrochloride (AAPH). The results indicated that all compoundsshowed rather similar DNA protective activity, which was comparable withquercetin as a well-known protective compound. This similarity in antigeno-toxic action could be explained by the established excellent structural flexibil-ity of ferrocenyl pyrazolines for the formation of different intermolecularinteractions as important structural property for molecular recognition.
T2  - Applied Organometallic Chemistry
T1  - Synthesis, structural properties and DNA protective activity of ferrocenyl N-acyl pyrazolines
DO  - 10.1002/aoc.7464
ER  - 

@article{
author = "Novaković, Slađana B. and Bogdanović, Goran A. and Ratković, Zoran and Blagojević, Stefan and Matić, Sanja Lj. and Muškinja, Jovana",
year = "2024",
abstract = "Two series of new ferrocenyl pyrazolines have been synthesized by the reac-tion of ferrocenyl chalcones and their analogues with hydrazine hydrate in thepresence of corresponding carboxylic acid. Single-crystal X-ray crystallographicdata were used for detailed analysis of the interesting versatility of four com-pounds in the formation of intermolecular interactions. The analysis revealedan excellent structural flexibility of the present ferrocenyl pyrazoline moleculesfor the non-covalent interactions, with a particular contribution of the ferro-cene units. In addition, for comparison with crystallographic findings, weinvestigated the protective effect of all compounds on DNA against hydroxyland peroxyl radicals induced by Fe2+,H2O2, and 2,20-azobis(2-amidinopro-pane) dihydrochloride (AAPH). The results indicated that all compoundsshowed rather similar DNA protective activity, which was comparable withquercetin as a well-known protective compound. This similarity in antigeno-toxic action could be explained by the established excellent structural flexibil-ity of ferrocenyl pyrazolines for the formation of different intermolecularinteractions as important structural property for molecular recognition.",
journal = "Applied Organometallic Chemistry",
title = "Synthesis, structural properties and DNA protective activity of ferrocenyl N-acyl pyrazolines",
doi = "10.1002/aoc.7464"
}

Novaković, S. B., Bogdanović, G. A., Ratković, Z., Blagojević, S., Matić, S. Lj.,& Muškinja, J.. (2024). Synthesis, structural properties and DNA protective activity of ferrocenyl N-acyl pyrazolines. in Applied Organometallic Chemistry.
https://doi.org/10.1002/aoc.7464

Novaković SB, Bogdanović GA, Ratković Z, Blagojević S, Matić SL, Muškinja J. Synthesis, structural properties and DNA protective activity of ferrocenyl N-acyl pyrazolines. in Applied Organometallic Chemistry. 2024;.
doi:10.1002/aoc.7464 .

Novaković, Slađana B., Bogdanović, Goran A., Ratković, Zoran, Blagojević, Stefan, Matić, Sanja Lj., Muškinja, Jovana, "Synthesis, structural properties and DNA protective activity of ferrocenyl N-acyl pyrazolines" in Applied Organometallic Chemistry (2024),
https://doi.org/10.1002/aoc.7464 . .