Armaković, Sanja J.

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Authority KeyName Variants
orcid::0000-0002-3665-1046
  • Armaković, Sanja J. (5)
  • Armaković, Sanja (1)
Projects

Author's Bibliography

Zirconia based photocatalysts in degradation of selected herbicides

Čomor, Mirjana; Abazović, Nadica; Savić, T. D.; Šojić Merkulov, Daniela; Despotović, Vesna; Armaković, Sanja; Finčur, Nina; Lazarević, Marina; Uzelac, Maria; Abramović, Biljana

(2021)

TY  - CONF
AU  - Čomor, Mirjana
AU  - Abazović, Nadica
AU  - Savić, T. D.
AU  - Šojić Merkulov, Daniela
AU  - Despotović, Vesna
AU  - Armaković, Sanja
AU  - Finčur, Nina
AU  - Lazarević, Marina
AU  - Uzelac, Maria
AU  - Abramović, Biljana
PY  - 2021
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12379
AB  - Hydrothermally synthesized zirconia nanopowders: pure and doped with Si4+ ions were spectroscopically characterized and used as photocatalysts for degradation of herbicides sulcotrione and fluroxypyr. Zirconia is wide band gap ceramic (Eg ~ 5 eV) however, synthesized nanopowders showed unexpected, modest absorbance in visible light range. That fact inspired photocatalytical degradation of herbicides with wide utilization, using solar irradiation (SI) in laboratory conditions. In the scope of this study, degradation of herbicides was only slightly achieved (irradiation time 2h).
C3  - PHYSICAL CHEMISTRY 2021 : 15th international conference on fundamental and applied aspects of physical chemistry
T1  - Zirconia based photocatalysts in degradation of selected herbicides
SP  - 147
EP  - 150
UR  - https://hdl.handle.net/21.15107/rcub_vinar_10711
ER  - 
@conference{
author = "Čomor, Mirjana and Abazović, Nadica and Savić, T. D. and Šojić Merkulov, Daniela and Despotović, Vesna and Armaković, Sanja and Finčur, Nina and Lazarević, Marina and Uzelac, Maria and Abramović, Biljana",
year = "2021",
abstract = "Hydrothermally synthesized zirconia nanopowders: pure and doped with Si4+ ions were spectroscopically characterized and used as photocatalysts for degradation of herbicides sulcotrione and fluroxypyr. Zirconia is wide band gap ceramic (Eg ~ 5 eV) however, synthesized nanopowders showed unexpected, modest absorbance in visible light range. That fact inspired photocatalytical degradation of herbicides with wide utilization, using solar irradiation (SI) in laboratory conditions. In the scope of this study, degradation of herbicides was only slightly achieved (irradiation time 2h).",
journal = "PHYSICAL CHEMISTRY 2021 : 15th international conference on fundamental and applied aspects of physical chemistry",
title = "Zirconia based photocatalysts in degradation of selected herbicides",
pages = "147-150",
url = "https://hdl.handle.net/21.15107/rcub_vinar_10711"
}
Čomor, M., Abazović, N., Savić, T. D., Šojić Merkulov, D., Despotović, V., Armaković, S., Finčur, N., Lazarević, M., Uzelac, M.,& Abramović, B.. (2021). Zirconia based photocatalysts in degradation of selected herbicides. in PHYSICAL CHEMISTRY 2021 : 15th international conference on fundamental and applied aspects of physical chemistry, 147-150.
https://hdl.handle.net/21.15107/rcub_vinar_10711
Čomor M, Abazović N, Savić TD, Šojić Merkulov D, Despotović V, Armaković S, Finčur N, Lazarević M, Uzelac M, Abramović B. Zirconia based photocatalysts in degradation of selected herbicides. in PHYSICAL CHEMISTRY 2021 : 15th international conference on fundamental and applied aspects of physical chemistry. 2021;:147-150.
https://hdl.handle.net/21.15107/rcub_vinar_10711 .
Čomor, Mirjana, Abazović, Nadica, Savić, T. D., Šojić Merkulov, Daniela, Despotović, Vesna, Armaković, Sanja, Finčur, Nina, Lazarević, Marina, Uzelac, Maria, Abramović, Biljana, "Zirconia based photocatalysts in degradation of selected herbicides" in PHYSICAL CHEMISTRY 2021 : 15th international conference on fundamental and applied aspects of physical chemistry (2021):147-150,
https://hdl.handle.net/21.15107/rcub_vinar_10711 .

Photocatalytic decomposition of selected biologically active compounds in environmental waters using TiO 2 /polyaniline nanocomposites: Kinetics, toxicity and intermediates assessment

Šojić Merkulov, Daniela V.; Despotović, Vesna N.; Banić, Nemanja D.; Armaković, Sanja J.; Finčur, Nina L.; Lazarević, Marina J.; Četojević-Simin, Dragana D.; Orčić, Dejan Z.; Radoičić, Marija B.; Šaponjić, Zoran; Čomor, Mirjana; Abramović, Biljana F.

(2018)

TY  - JOUR
AU  - Šojić Merkulov, Daniela V.
AU  - Despotović, Vesna N.
AU  - Banić, Nemanja D.
AU  - Armaković, Sanja J.
AU  - Finčur, Nina L.
AU  - Lazarević, Marina J.
AU  - Četojević-Simin, Dragana D.
AU  - Orčić, Dejan Z.
AU  - Radoičić, Marija B.
AU  - Šaponjić, Zoran
AU  - Čomor, Mirjana
AU  - Abramović, Biljana F.
PY  - 2018
UR  - http://linkinghub.elsevier.com/retrieve/pii/S0269749117352053
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7699
AB  - A comprehensive study of the removal of selected biologically active compounds (pharmaceuticals and pesticides) from different water types was conducted using bare TiO2nanoparticles and TiO2/polyaniline (TP-50, TP-100, and TP-150) nanocomposite powders. In order to investigate how molecular structure of the substrate influences the rate of its removal, we compared degradation efficiency of the initial substrates and degree of mineralization for the active components of pharmaceuticals (propranolol, and amitriptyline) and pesticides (sulcotrione, and clomazone) in double distilled (DDW) and environmental waters. The results indicate that the efficiency of photocatalytic degradation of propranolol and amitriptyline was higher in environmental waters: rivers (Danube, Tisa, and Begej) and lakes (Moharač, and Sot) in comparison with DDW. On the contrary, degradation efficacy of sulcotrione and clomazone was lower in environmental waters. Further, of the all catalysts applied, bare TiO2and TP-100 were found to be most effective in the mineralization of propranolol and amitriptyline, respectively, while TP-150 appeared to be the most efficient in terms of sulcotrione and clomazone mineralization. Also, there was no significant toxicity observed after the irradiation of pharmaceuticals or pesticides solutions using appropriate catalysts on rat hepatoma (H-4-II-E), mouse neuroblastoma (Neuro-2a), human colon adenocarcinoma (HT-29), and human fetal lung (MRC-5) cell lines. Subsequently, detection and identification of the formed intermediates in the case of sulcotrione photocatalytic degradation using bare TiO2and TP-150 showed slightly different pathways of degradation. Furthermore, tentative pathways of sulcotrione photocatalytic degradation were proposed and discussed. Kinetics, toxicity and intermediates assessment of biologically active compounds (pesticides and pharmaceuticals) in environmental waters.
T2  - Environmental Pollution
T1  - Photocatalytic decomposition of selected biologically active compounds in environmental waters using TiO 2 /polyaniline nanocomposites: Kinetics, toxicity and intermediates assessment
VL  - 239
SP  - 457
EP  - 465
DO  - 10.1016/j.envpol.2018.04.039
ER  - 
@article{
author = "Šojić Merkulov, Daniela V. and Despotović, Vesna N. and Banić, Nemanja D. and Armaković, Sanja J. and Finčur, Nina L. and Lazarević, Marina J. and Četojević-Simin, Dragana D. and Orčić, Dejan Z. and Radoičić, Marija B. and Šaponjić, Zoran and Čomor, Mirjana and Abramović, Biljana F.",
year = "2018",
abstract = "A comprehensive study of the removal of selected biologically active compounds (pharmaceuticals and pesticides) from different water types was conducted using bare TiO2nanoparticles and TiO2/polyaniline (TP-50, TP-100, and TP-150) nanocomposite powders. In order to investigate how molecular structure of the substrate influences the rate of its removal, we compared degradation efficiency of the initial substrates and degree of mineralization for the active components of pharmaceuticals (propranolol, and amitriptyline) and pesticides (sulcotrione, and clomazone) in double distilled (DDW) and environmental waters. The results indicate that the efficiency of photocatalytic degradation of propranolol and amitriptyline was higher in environmental waters: rivers (Danube, Tisa, and Begej) and lakes (Moharač, and Sot) in comparison with DDW. On the contrary, degradation efficacy of sulcotrione and clomazone was lower in environmental waters. Further, of the all catalysts applied, bare TiO2and TP-100 were found to be most effective in the mineralization of propranolol and amitriptyline, respectively, while TP-150 appeared to be the most efficient in terms of sulcotrione and clomazone mineralization. Also, there was no significant toxicity observed after the irradiation of pharmaceuticals or pesticides solutions using appropriate catalysts on rat hepatoma (H-4-II-E), mouse neuroblastoma (Neuro-2a), human colon adenocarcinoma (HT-29), and human fetal lung (MRC-5) cell lines. Subsequently, detection and identification of the formed intermediates in the case of sulcotrione photocatalytic degradation using bare TiO2and TP-150 showed slightly different pathways of degradation. Furthermore, tentative pathways of sulcotrione photocatalytic degradation were proposed and discussed. Kinetics, toxicity and intermediates assessment of biologically active compounds (pesticides and pharmaceuticals) in environmental waters.",
journal = "Environmental Pollution",
title = "Photocatalytic decomposition of selected biologically active compounds in environmental waters using TiO 2 /polyaniline nanocomposites: Kinetics, toxicity and intermediates assessment",
volume = "239",
pages = "457-465",
doi = "10.1016/j.envpol.2018.04.039"
}
Šojić Merkulov, D. V., Despotović, V. N., Banić, N. D., Armaković, S. J., Finčur, N. L., Lazarević, M. J., Četojević-Simin, D. D., Orčić, D. Z., Radoičić, M. B., Šaponjić, Z., Čomor, M.,& Abramović, B. F.. (2018). Photocatalytic decomposition of selected biologically active compounds in environmental waters using TiO 2 /polyaniline nanocomposites: Kinetics, toxicity and intermediates assessment. in Environmental Pollution, 239, 457-465.
https://doi.org/10.1016/j.envpol.2018.04.039
Šojić Merkulov DV, Despotović VN, Banić ND, Armaković SJ, Finčur NL, Lazarević MJ, Četojević-Simin DD, Orčić DZ, Radoičić MB, Šaponjić Z, Čomor M, Abramović BF. Photocatalytic decomposition of selected biologically active compounds in environmental waters using TiO 2 /polyaniline nanocomposites: Kinetics, toxicity and intermediates assessment. in Environmental Pollution. 2018;239:457-465.
doi:10.1016/j.envpol.2018.04.039 .
Šojić Merkulov, Daniela V., Despotović, Vesna N., Banić, Nemanja D., Armaković, Sanja J., Finčur, Nina L., Lazarević, Marina J., Četojević-Simin, Dragana D., Orčić, Dejan Z., Radoičić, Marija B., Šaponjić, Zoran, Čomor, Mirjana, Abramović, Biljana F., "Photocatalytic decomposition of selected biologically active compounds in environmental waters using TiO 2 /polyaniline nanocomposites: Kinetics, toxicity and intermediates assessment" in Environmental Pollution, 239 (2018):457-465,
https://doi.org/10.1016/j.envpol.2018.04.039 . .
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Coordination compounds of a hydrazone derivative with Co(III), Ni(II), Cu(II) and Zn(II): synthesis, characterization, reactivity assessment and biological evaluation

Hollo, B. Barta; Magyari, J.; Armaković, Sanja J.; Bogdanović, Goran A.; Rodic, M. V.; Armaković, Sanja J.; Molnar, J.; Spengler, G.; Leovac, Vukadin M.; Szecsenyi, K. Meszaros

(2016)

TY  - JOUR
AU  - Hollo, B. Barta
AU  - Magyari, J.
AU  - Armaković, Sanja J.
AU  - Bogdanović, Goran A.
AU  - Rodic, M. V.
AU  - Armaković, Sanja J.
AU  - Molnar, J.
AU  - Spengler, G.
AU  - Leovac, Vukadin M.
AU  - Szecsenyi, K. Meszaros
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7115
AB  - A new hydrazone-type ligand with a five N-donor set and its coordination compounds with Co(III), Ni(II), Cu(II) and Zn(II) metal centres were synthesized. The crystal and molecular structure of the Co(III) complex was determined by X-ray structural analysis. All the compounds were characterized by elemental analysis, molar conductivity and FT-IR spectral data. The cobalt(III) compound is a neutral binuclear complex formed by coordination of two, doubly deprotonated ligand anions as bridges between the Co(III) centres. The metal centres are additionally connected by a peroxido bridge, which was observed for the first time in Co(III) complexes with similar ligands. The other coordination compounds are mononuclear complexes wherein only one doubly deprotonated ligand is coordinated to the central ion in a tetradentate fashion. The structures were theoretically investigated employing density functional theory (DFT) calculations with B3LYP exchange-correlation functional and LACV3P+(d,p) basis sets for the coordination compounds and 6-31+G(d,p) basis set for the ligand. Molecular electrostatic potential (MEP) and average local ionization energy (ALIE) surfaces were calculated to study the reactive properties of the compounds. The thermal behaviour of the compounds was determined by simultaneous thermogravimetric-differential scanning calorimetric (TG-DSC) measurements and the results were correlated to the proposed structures and to calculated MEP/ALIE surfaces. The compounds were tested in vitro for antiproliferative effects on parental (L5178Y) mouse T-cell lymphoma cells, on L5178Y transfected with pHa ABCB1/A retrovirus and for reversal of multidrug resistance (MDR) in tumor cells by flow cytometry. The preliminary measurements showed that the cobalt(III) compound was an effective inhibitor of the ABC transporter PGP drug efflux pump. The ligand was somewhat less effective, the zinc complex had a moderate inhibition activity, whereas the nickel(II) and copper(II) compounds were inactive.
T2  - New Journal of Chemistry
T1  - Coordination compounds of a hydrazone derivative with Co(III), Ni(II), Cu(II) and Zn(II): synthesis, characterization, reactivity assessment and biological evaluation
VL  - 40
IS  - 7
SP  - 5885
EP  - 5895
DO  - 10.1039/c6nj00560h
ER  - 
@article{
author = "Hollo, B. Barta and Magyari, J. and Armaković, Sanja J. and Bogdanović, Goran A. and Rodic, M. V. and Armaković, Sanja J. and Molnar, J. and Spengler, G. and Leovac, Vukadin M. and Szecsenyi, K. Meszaros",
year = "2016",
abstract = "A new hydrazone-type ligand with a five N-donor set and its coordination compounds with Co(III), Ni(II), Cu(II) and Zn(II) metal centres were synthesized. The crystal and molecular structure of the Co(III) complex was determined by X-ray structural analysis. All the compounds were characterized by elemental analysis, molar conductivity and FT-IR spectral data. The cobalt(III) compound is a neutral binuclear complex formed by coordination of two, doubly deprotonated ligand anions as bridges between the Co(III) centres. The metal centres are additionally connected by a peroxido bridge, which was observed for the first time in Co(III) complexes with similar ligands. The other coordination compounds are mononuclear complexes wherein only one doubly deprotonated ligand is coordinated to the central ion in a tetradentate fashion. The structures were theoretically investigated employing density functional theory (DFT) calculations with B3LYP exchange-correlation functional and LACV3P+(d,p) basis sets for the coordination compounds and 6-31+G(d,p) basis set for the ligand. Molecular electrostatic potential (MEP) and average local ionization energy (ALIE) surfaces were calculated to study the reactive properties of the compounds. The thermal behaviour of the compounds was determined by simultaneous thermogravimetric-differential scanning calorimetric (TG-DSC) measurements and the results were correlated to the proposed structures and to calculated MEP/ALIE surfaces. The compounds were tested in vitro for antiproliferative effects on parental (L5178Y) mouse T-cell lymphoma cells, on L5178Y transfected with pHa ABCB1/A retrovirus and for reversal of multidrug resistance (MDR) in tumor cells by flow cytometry. The preliminary measurements showed that the cobalt(III) compound was an effective inhibitor of the ABC transporter PGP drug efflux pump. The ligand was somewhat less effective, the zinc complex had a moderate inhibition activity, whereas the nickel(II) and copper(II) compounds were inactive.",
journal = "New Journal of Chemistry",
title = "Coordination compounds of a hydrazone derivative with Co(III), Ni(II), Cu(II) and Zn(II): synthesis, characterization, reactivity assessment and biological evaluation",
volume = "40",
number = "7",
pages = "5885-5895",
doi = "10.1039/c6nj00560h"
}
Hollo, B. B., Magyari, J., Armaković, S. J., Bogdanović, G. A., Rodic, M. V., Armaković, S. J., Molnar, J., Spengler, G., Leovac, V. M.,& Szecsenyi, K. M.. (2016). Coordination compounds of a hydrazone derivative with Co(III), Ni(II), Cu(II) and Zn(II): synthesis, characterization, reactivity assessment and biological evaluation. in New Journal of Chemistry, 40(7), 5885-5895.
https://doi.org/10.1039/c6nj00560h
Hollo BB, Magyari J, Armaković SJ, Bogdanović GA, Rodic MV, Armaković SJ, Molnar J, Spengler G, Leovac VM, Szecsenyi KM. Coordination compounds of a hydrazone derivative with Co(III), Ni(II), Cu(II) and Zn(II): synthesis, characterization, reactivity assessment and biological evaluation. in New Journal of Chemistry. 2016;40(7):5885-5895.
doi:10.1039/c6nj00560h .
Hollo, B. Barta, Magyari, J., Armaković, Sanja J., Bogdanović, Goran A., Rodic, M. V., Armaković, Sanja J., Molnar, J., Spengler, G., Leovac, Vukadin M., Szecsenyi, K. Meszaros, "Coordination compounds of a hydrazone derivative with Co(III), Ni(II), Cu(II) and Zn(II): synthesis, characterization, reactivity assessment and biological evaluation" in New Journal of Chemistry, 40, no. 7 (2016):5885-5895,
https://doi.org/10.1039/c6nj00560h . .
18
11
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Surface modification of sol-gel synthesized TiO2 nanoparticles induced by La-doping

Grujić-Brojčin, Mirjana; Armaković, Sanja J.; Tomić, Nataša; Abramović, Biljana F.; Golubavic, A.; Stojadinovic, B.; Kremenović, Aleksandar S.; Babić, Biljana M.; Dohcevic-Mitrovic, Z.; Šćepanović, Maja

(2014)

TY  - JOUR
AU  - Grujić-Brojčin, Mirjana
AU  - Armaković, Sanja J.
AU  - Tomić, Nataša
AU  - Abramović, Biljana F.
AU  - Golubavic, A.
AU  - Stojadinovic, B.
AU  - Kremenović, Aleksandar S.
AU  - Babić, Biljana M.
AU  - Dohcevic-Mitrovic, Z.
AU  - Šćepanović, Maja
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5881
AB  - The influence of La-doping in the range of 0.5-6.0 mol% on structural and morphological properties of TiO2 nanopowders synthesized by sol-gel routine has been investigated by XRPD, AFM, EDS and BET measurements, as well as Raman spectroscopy. The XRPD and Raman measurements have revealed the anatase phase as dominant in all nanopowders, with crystallite size decreasing from similar to 15 nm in pure TiO2 to similar to 12 nm in La-doped samples. The BET data suggest that all samples are fully mesoporous, with mean pore diameters in the range of similar to 6-8 nm. The specific surface area and the complexity of pore structure are greater in doped samples than in pure TiO2 sample. The spectroscopic ellipsometry has apparently shown that the band gap has been gradually increased with the increase of La content. The STM and STS techniques have been used successfully to evaluate the surface morphology and electronic properties of La-doped nanopowders. All investigated properties have been related to photocatalytic activity, tested in degradation of a metoprolol tartrate salt (0.05 mM), and induced by UV-radiation. All doped samples showed increased photocatalytic activity compared to pure TiO2, among which the 0.65 mol% La-doped sample appeared to be the most efficient. (C) 2013 Elsevier Inc. All rights reserved.
T2  - Materials Characterization
T1  - Surface modification of sol-gel synthesized TiO2 nanoparticles induced by La-doping
VL  - 88
SP  - 30
EP  - 41
DO  - 10.1016/j.matchar.2013.12.002
ER  - 
@article{
author = "Grujić-Brojčin, Mirjana and Armaković, Sanja J. and Tomić, Nataša and Abramović, Biljana F. and Golubavic, A. and Stojadinovic, B. and Kremenović, Aleksandar S. and Babić, Biljana M. and Dohcevic-Mitrovic, Z. and Šćepanović, Maja",
year = "2014",
abstract = "The influence of La-doping in the range of 0.5-6.0 mol% on structural and morphological properties of TiO2 nanopowders synthesized by sol-gel routine has been investigated by XRPD, AFM, EDS and BET measurements, as well as Raman spectroscopy. The XRPD and Raman measurements have revealed the anatase phase as dominant in all nanopowders, with crystallite size decreasing from similar to 15 nm in pure TiO2 to similar to 12 nm in La-doped samples. The BET data suggest that all samples are fully mesoporous, with mean pore diameters in the range of similar to 6-8 nm. The specific surface area and the complexity of pore structure are greater in doped samples than in pure TiO2 sample. The spectroscopic ellipsometry has apparently shown that the band gap has been gradually increased with the increase of La content. The STM and STS techniques have been used successfully to evaluate the surface morphology and electronic properties of La-doped nanopowders. All investigated properties have been related to photocatalytic activity, tested in degradation of a metoprolol tartrate salt (0.05 mM), and induced by UV-radiation. All doped samples showed increased photocatalytic activity compared to pure TiO2, among which the 0.65 mol% La-doped sample appeared to be the most efficient. (C) 2013 Elsevier Inc. All rights reserved.",
journal = "Materials Characterization",
title = "Surface modification of sol-gel synthesized TiO2 nanoparticles induced by La-doping",
volume = "88",
pages = "30-41",
doi = "10.1016/j.matchar.2013.12.002"
}
Grujić-Brojčin, M., Armaković, S. J., Tomić, N., Abramović, B. F., Golubavic, A., Stojadinovic, B., Kremenović, A. S., Babić, B. M., Dohcevic-Mitrovic, Z.,& Šćepanović, M.. (2014). Surface modification of sol-gel synthesized TiO2 nanoparticles induced by La-doping. in Materials Characterization, 88, 30-41.
https://doi.org/10.1016/j.matchar.2013.12.002
Grujić-Brojčin M, Armaković SJ, Tomić N, Abramović BF, Golubavic A, Stojadinovic B, Kremenović AS, Babić BM, Dohcevic-Mitrovic Z, Šćepanović M. Surface modification of sol-gel synthesized TiO2 nanoparticles induced by La-doping. in Materials Characterization. 2014;88:30-41.
doi:10.1016/j.matchar.2013.12.002 .
Grujić-Brojčin, Mirjana, Armaković, Sanja J., Tomić, Nataša, Abramović, Biljana F., Golubavic, A., Stojadinovic, B., Kremenović, Aleksandar S., Babić, Biljana M., Dohcevic-Mitrovic, Z., Šćepanović, Maja, "Surface modification of sol-gel synthesized TiO2 nanoparticles induced by La-doping" in Materials Characterization, 88 (2014):30-41,
https://doi.org/10.1016/j.matchar.2013.12.002 . .
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Improved efficiency of sol-gel synthesized mesoporous anatase nanopowders in photocatalytic degradation of metoprolol

Golubović, Aleksandar V.; Abramović, Biljana F.; Šćepanović, Maja; Grujić-Brojčin, Mirjana; Armaković, Sanja J.; Veljkovic, I.; Babić, Biljana M.; Dohcevic-Mitrovic, Z.; Popović, Zoran V.

(2013)

TY  - JOUR
AU  - Golubović, Aleksandar V.
AU  - Abramović, Biljana F.
AU  - Šćepanović, Maja
AU  - Grujić-Brojčin, Mirjana
AU  - Armaković, Sanja J.
AU  - Veljkovic, I.
AU  - Babić, Biljana M.
AU  - Dohcevic-Mitrovic, Z.
AU  - Popović, Zoran V.
PY  - 2013
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5421
AB  - The structural and morphological properties of mesoporous anatase nanopowders, synthesized by sol-gel method, have been modified by varying the duration of calcination, in order to obtain more efficient photocatalyst than Degussa P25 in the degradation of relatively large pollutant molecules ( GT 1 nm in size). According to X-ray diffraction analysis, the crystallite size was increased from 13 to 17.5 nm with the increase of calcination time from 1 to 7 h. The analysis of nitrogen sorption experimental data revealed that all samples were mesoporous, with a mean pore diameters in the range of similar to 5-9 nm. The corrugated pore structure model was employed to evaluate pore structure tortuosity. Nanopowder properties have been related to the photocatalytic activity, tested in the degradation of metoprolol tartrate salt, selective beta(1)-blocker used in a variety of cardiovascular diseases, with molecular size of 0.610 nm x 1.347 nm. The study has demonstrated that samples calcined for 4 and 5 h have displayed higher photocatalytic performance than Degussa P25, whereas the sample calcined for 3 h has shown comparable activity. (C) 2013 Published by Elsevier Ltd.
T2  - Materials Research Bulletin
T1  - Improved efficiency of sol-gel synthesized mesoporous anatase nanopowders in photocatalytic degradation of metoprolol
VL  - 48
IS  - 4
SP  - 1363
EP  - 1371
DO  - 10.1016/j.materresbull.2012.11.098
ER  - 
@article{
author = "Golubović, Aleksandar V. and Abramović, Biljana F. and Šćepanović, Maja and Grujić-Brojčin, Mirjana and Armaković, Sanja J. and Veljkovic, I. and Babić, Biljana M. and Dohcevic-Mitrovic, Z. and Popović, Zoran V.",
year = "2013",
abstract = "The structural and morphological properties of mesoporous anatase nanopowders, synthesized by sol-gel method, have been modified by varying the duration of calcination, in order to obtain more efficient photocatalyst than Degussa P25 in the degradation of relatively large pollutant molecules ( GT 1 nm in size). According to X-ray diffraction analysis, the crystallite size was increased from 13 to 17.5 nm with the increase of calcination time from 1 to 7 h. The analysis of nitrogen sorption experimental data revealed that all samples were mesoporous, with a mean pore diameters in the range of similar to 5-9 nm. The corrugated pore structure model was employed to evaluate pore structure tortuosity. Nanopowder properties have been related to the photocatalytic activity, tested in the degradation of metoprolol tartrate salt, selective beta(1)-blocker used in a variety of cardiovascular diseases, with molecular size of 0.610 nm x 1.347 nm. The study has demonstrated that samples calcined for 4 and 5 h have displayed higher photocatalytic performance than Degussa P25, whereas the sample calcined for 3 h has shown comparable activity. (C) 2013 Published by Elsevier Ltd.",
journal = "Materials Research Bulletin",
title = "Improved efficiency of sol-gel synthesized mesoporous anatase nanopowders in photocatalytic degradation of metoprolol",
volume = "48",
number = "4",
pages = "1363-1371",
doi = "10.1016/j.materresbull.2012.11.098"
}
Golubović, A. V., Abramović, B. F., Šćepanović, M., Grujić-Brojčin, M., Armaković, S. J., Veljkovic, I., Babić, B. M., Dohcevic-Mitrovic, Z.,& Popović, Z. V.. (2013). Improved efficiency of sol-gel synthesized mesoporous anatase nanopowders in photocatalytic degradation of metoprolol. in Materials Research Bulletin, 48(4), 1363-1371.
https://doi.org/10.1016/j.materresbull.2012.11.098
Golubović AV, Abramović BF, Šćepanović M, Grujić-Brojčin M, Armaković SJ, Veljkovic I, Babić BM, Dohcevic-Mitrovic Z, Popović ZV. Improved efficiency of sol-gel synthesized mesoporous anatase nanopowders in photocatalytic degradation of metoprolol. in Materials Research Bulletin. 2013;48(4):1363-1371.
doi:10.1016/j.materresbull.2012.11.098 .
Golubović, Aleksandar V., Abramović, Biljana F., Šćepanović, Maja, Grujić-Brojčin, Mirjana, Armaković, Sanja J., Veljkovic, I., Babić, Biljana M., Dohcevic-Mitrovic, Z., Popović, Zoran V., "Improved efficiency of sol-gel synthesized mesoporous anatase nanopowders in photocatalytic degradation of metoprolol" in Materials Research Bulletin, 48, no. 4 (2013):1363-1371,
https://doi.org/10.1016/j.materresbull.2012.11.098 . .
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