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Size-, shape- and structure- dependent properties of nanoparticles and nanocomposites

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info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172056/RS//

Size-, shape- and structure- dependent properties of nanoparticles and nanocomposites (en)
Утицај величине, облика и структуре наночестица на њихова својства и својства нанокомпозита (sr)
Uticaj veličine, oblika i strukture nanočestica na njihova svojstva i svojstva nanokompozita (sr_RS)

Publications

PVDF-HFP/NKBT composite dielectrics: Perovskite particles induce the appearance of an additional dielectric relaxation process in ferroelectric polymer matrix

Pavlović, Vera P.; Tošić, Dragana; Dojčilović, Radovan; Dudić, Duško; Dramićanin, Miroslav D.; Medić, Mina; McPherson, Michael M.; Pavlović, Vladimir B.; Vlahović, Branislav; Đoković, Vladimir

(Elsevier BV, 2021)

TY  - JOUR
AU  - Pavlović, Vera P.
AU  - Tošić, Dragana
AU  - Dojčilović, Radovan
AU  - Dudić, Duško
AU  - Dramićanin, Miroslav D.
AU  - Medić, Mina
AU  - McPherson, Michael M.
AU  - Pavlović, Vladimir B.
AU  - Vlahović, Branislav
AU  - Đoković, Vladimir
PY  - 2021
UR  - https://dais.sanu.ac.rs/123456789/10535
AB  - Na0.25K0.25Bi0.5TiO3 (NKBT) perovskite particles are synthesized by solid-state method and used as a filler for polyvinylidene fluoride-co-hexafluoropropylene (PVDF-HFP) co-polymer. X-ray diffraction analysis of NKBT powders shows that the particles have a rhombohedral perovskite crystal structure (R3c symmetry). Raman spectroscopy reveals that the co-polymer crystallizes predominantly into the mixture of polar β- and γ-crystals, while there is also a contribution of the non-polar α-crystal phase. The introduction of the NKBT into the PVDF-HFP results with an increase in effective dielectric permittivity and this effect depends on the inorganic content in the composite. The most interesting result of the present study is that the introduction of NKBT particles induces the appearance of an additional transition peak in the dielectric spectra of the co-polymer matrix. At the fixed frequency of ~2 kHz, the observed process appears at ~10 °C (about 45° above the glass transition temperature) and its magnitude strongly depends on the amount of the NKBT in the composite. Dielectric spectroscopy measurements of the composites are carried out in the wide range of frequencies (from 0.1 Hz to 1 MHz) and temperatures (from −100 to 100 °C). They reveal that the novel process can be clearly distinguished in the frequency range between 160 Hz and ~50 kHz.
PB  - Elsevier BV
T2  - Polymer Testing
T1  - PVDF-HFP/NKBT composite dielectrics: Perovskite particles induce the appearance of an additional dielectric relaxation process in ferroelectric polymer matrix
SP  - 107093
VL  - 96
DO  - 10.1016/j.polymertesting.2021.107093
ER  - 
@article{
author = "Pavlović, Vera P. and Tošić, Dragana and Dojčilović, Radovan and Dudić, Duško and Dramićanin, Miroslav D. and Medić, Mina and McPherson, Michael M. and Pavlović, Vladimir B. and Vlahović, Branislav and Đoković, Vladimir",
year = "2021",
url = "https://dais.sanu.ac.rs/123456789/10535",
abstract = "Na0.25K0.25Bi0.5TiO3 (NKBT) perovskite particles are synthesized by solid-state method and used as a filler for polyvinylidene fluoride-co-hexafluoropropylene (PVDF-HFP) co-polymer. X-ray diffraction analysis of NKBT powders shows that the particles have a rhombohedral perovskite crystal structure (R3c symmetry). Raman spectroscopy reveals that the co-polymer crystallizes predominantly into the mixture of polar β- and γ-crystals, while there is also a contribution of the non-polar α-crystal phase. The introduction of the NKBT into the PVDF-HFP results with an increase in effective dielectric permittivity and this effect depends on the inorganic content in the composite. The most interesting result of the present study is that the introduction of NKBT particles induces the appearance of an additional transition peak in the dielectric spectra of the co-polymer matrix. At the fixed frequency of ~2 kHz, the observed process appears at ~10 °C (about 45° above the glass transition temperature) and its magnitude strongly depends on the amount of the NKBT in the composite. Dielectric spectroscopy measurements of the composites are carried out in the wide range of frequencies (from 0.1 Hz to 1 MHz) and temperatures (from −100 to 100 °C). They reveal that the novel process can be clearly distinguished in the frequency range between 160 Hz and ~50 kHz.",
publisher = "Elsevier BV",
journal = "Polymer Testing",
title = "PVDF-HFP/NKBT composite dielectrics: Perovskite particles induce the appearance of an additional dielectric relaxation process in ferroelectric polymer matrix",
pages = "107093",
volume = "96",
doi = "10.1016/j.polymertesting.2021.107093"
}
Pavlović, V. P., Tošić, D., Dojčilović, R., Dudić, D., Dramićanin, M. D., Medić, M., McPherson, M. M., Pavlović, V. B., Vlahović, B.,& Đoković, V. (2021). PVDF-HFP/NKBT composite dielectrics: Perovskite particles induce the appearance of an additional dielectric relaxation process in ferroelectric polymer matrix.
Polymer TestingElsevier BV., 96, 107093.
https://doi.org/10.1016/j.polymertesting.2021.107093
Pavlović VP, Tošić D, Dojčilović R, Dudić D, Dramićanin MD, Medić M, McPherson MM, Pavlović VB, Vlahović B, Đoković V. PVDF-HFP/NKBT composite dielectrics: Perovskite particles induce the appearance of an additional dielectric relaxation process in ferroelectric polymer matrix. Polymer Testing. 2021;96:107093
Pavlović Vera P., Tošić Dragana, Dojčilović Radovan, Dudić Duško, Dramićanin Miroslav D., Medić Mina, McPherson Michael M., Pavlović Vladimir B., Vlahović Branislav, Đoković Vladimir, "PVDF-HFP/NKBT composite dielectrics: Perovskite particles induce the appearance of an additional dielectric relaxation process in ferroelectric polymer matrix" 96 (2021):107093,
https://doi.org/10.1016/j.polymertesting.2021.107093 .

Structural and electrical properties of ferroelectric poly(vinylidene fluoride) and mechanically activated ZnO nanoparticle composite films

Peleš, Adriana; Aleksić, Obrad S.; Pavlović, Vera P.; Đoković, Vladimir; Dojčilović, Radovan; Nikolić, Z.; Marinković, F.; Mitrić, Miodrag; Blagojević, Vladimir A.; Vlahović, Branislav; Pavlović, Vladimir B.

(IOP Publishing, 2018)

TY  - JOUR
AU  - Peleš, Adriana
AU  - Aleksić, Obrad S.
AU  - Pavlović, Vera P.
AU  - Đoković, Vladimir
AU  - Dojčilović, Radovan
AU  - Nikolić, Z.
AU  - Marinković, F.
AU  - Mitrić, Miodrag
AU  - Blagojević, Vladimir A.
AU  - Vlahović, Branislav
AU  - Pavlović, Vladimir B.
PY  - 2018
UR  - http://dais.sanu.ac.rs/123456789/4079
AB  - The influence of the mechanical activation of ZnO nanoparticle fillers on the structural and electrical properties of the matrix of poly(vinylidenefluoride)-ZnO (PVDF-ZnO) films was investigated. Transmission electron microscopy and scanning electron microscopy analyses showed that mechanical activation in a high energy planetary ball mill reduces the size of ZnO particles. X-ray diffraction and Raman spectroscopy revealed that PVDF crystallized predominantly as the γ-phase. Non-activated ZnO filler reduces the degree of the crystallinity of the matrix and promotes crystallization of α-phase of PVDF in the film, while the fillers activated for 5 and 10 min induce crystallization of β-phase, indicating that mechanical activation of the filler can be used as a general method for fabrication of PVDF composites with increased content of piezoelectric β-phase crystals. Dielectric spectroscopy measurements show that polymer composite with the high content of β-phase (with ZnO filler activated for 5 min) exhibits the highest value of dielectric permittivity in 150-400 K range of temperatures. Kinetic analysis shows combined effects of increased surface area and increased concentration of surface defects on the interactions between polymer chains and activated nanoparticles. © 2018 IOP Publishing Ltd.
PB  - IOP Publishing
T2  - Physica Scripta
T1  - Structural and electrical properties of ferroelectric poly(vinylidene fluoride) and mechanically activated ZnO nanoparticle composite films
SP  - 105801
VL  - 93
DO  - 10.1088/1402-4896/aad749
ER  - 
@article{
author = "Peleš, Adriana and Aleksić, Obrad S. and Pavlović, Vera P. and Đoković, Vladimir and Dojčilović, Radovan and Nikolić, Z. and Marinković, F. and Mitrić, Miodrag and Blagojević, Vladimir A. and Vlahović, Branislav and Pavlović, Vladimir B.",
year = "2018",
url = "http://dais.sanu.ac.rs/123456789/4079",
abstract = "The influence of the mechanical activation of ZnO nanoparticle fillers on the structural and electrical properties of the matrix of poly(vinylidenefluoride)-ZnO (PVDF-ZnO) films was investigated. Transmission electron microscopy and scanning electron microscopy analyses showed that mechanical activation in a high energy planetary ball mill reduces the size of ZnO particles. X-ray diffraction and Raman spectroscopy revealed that PVDF crystallized predominantly as the γ-phase. Non-activated ZnO filler reduces the degree of the crystallinity of the matrix and promotes crystallization of α-phase of PVDF in the film, while the fillers activated for 5 and 10 min induce crystallization of β-phase, indicating that mechanical activation of the filler can be used as a general method for fabrication of PVDF composites with increased content of piezoelectric β-phase crystals. Dielectric spectroscopy measurements show that polymer composite with the high content of β-phase (with ZnO filler activated for 5 min) exhibits the highest value of dielectric permittivity in 150-400 K range of temperatures. Kinetic analysis shows combined effects of increased surface area and increased concentration of surface defects on the interactions between polymer chains and activated nanoparticles. © 2018 IOP Publishing Ltd.",
publisher = "IOP Publishing",
journal = "Physica Scripta",
title = "Structural and electrical properties of ferroelectric poly(vinylidene fluoride) and mechanically activated ZnO nanoparticle composite films",
pages = "105801",
volume = "93",
doi = "10.1088/1402-4896/aad749"
}
Peleš, A., Aleksić, O. S., Pavlović, V. P., Đoković, V., Dojčilović, R., Nikolić, Z., Marinković, F., Mitrić, M., Blagojević, V. A., Vlahović, B.,& Pavlović, V. B. (2018). Structural and electrical properties of ferroelectric poly(vinylidene fluoride) and mechanically activated ZnO nanoparticle composite films.
Physica ScriptaIOP Publishing., 93, 105801.
https://doi.org/10.1088/1402-4896/aad749
Peleš A, Aleksić OS, Pavlović VP, Đoković V, Dojčilović R, Nikolić Z, Marinković F, Mitrić M, Blagojević VA, Vlahović B, Pavlović VB. Structural and electrical properties of ferroelectric poly(vinylidene fluoride) and mechanically activated ZnO nanoparticle composite films. Physica Scripta. 2018;93:105801
Peleš Adriana, Aleksić Obrad S., Pavlović Vera P., Đoković Vladimir, Dojčilović Radovan, Nikolić Z., Marinković F., Mitrić Miodrag, Blagojević Vladimir A., Vlahović Branislav, Pavlović Vladimir B., "Structural and electrical properties of ferroelectric poly(vinylidene fluoride) and mechanically activated ZnO nanoparticle composite films" 93 (2018):105801,
https://doi.org/10.1088/1402-4896/aad749 .
1
6
4
6

Structural and electrical properties of ferroelectric poly(vinylidene fluoride) and mechanically activated ZnO nanoparticle composite films

Peleš, Adriana; Aleksić, Obrad S.; Pavlović, Vera P.; Đoković, Vladimir; Dojčilović, Radovan; Nikolić, Z.; Marinković, F.; Mitrić, Miodrag; Blagojević, Vladimir A.; Vlahović, Branislav; Pavlović, Vladimir B.

(IOP Publishing, 2018)

TY  - JOUR
AU  - Peleš, Adriana
AU  - Aleksić, Obrad S.
AU  - Pavlović, Vera P.
AU  - Đoković, Vladimir
AU  - Dojčilović, Radovan
AU  - Nikolić, Z.
AU  - Marinković, F.
AU  - Mitrić, Miodrag
AU  - Blagojević, Vladimir A.
AU  - Vlahović, Branislav
AU  - Pavlović, Vladimir B.
PY  - 2018
UR  - http://dais.sanu.ac.rs/123456789/4608
AB  - The influence of the mechanical activation of ZnO nanoparticle fillers on the structural and electrical properties of the matrix of poly(vinylidenefluoride)-ZnO (PVDF-ZnO) films was investigated. Transmission electron microscopy and scanning electron microscopy analyses showed that mechanical activation in a high energy planetary ball mill reduces the size of ZnO particles. X-ray diffraction and Raman spectroscopy revealed that PVDF crystallized predominantly as the γ-phase. Non-activated ZnO filler reduces the degree of the crystallinity of the matrix and promotes crystallization of α-phase of PVDF in the film, while the fillers activated for 5 and 10 min induce crystallization of β-phase, indicating that mechanical activation of the filler can be used as a general method for fabrication of PVDF composites with increased content of piezoelectric β-phase crystals. Dielectric spectroscopy measurements show that polymer composite with the high content of β-phase (with ZnO filler activated for 5 min) exhibits the highest value of dielectric permittivity in 150-400 K range of temperatures. Kinetic analysis shows combined effects of increased surface area and increased concentration of surface defects on the interactions between polymer chains and activated nanoparticles. © 2018 IOP Publishing Ltd.
PB  - IOP Publishing
T2  - Physica Scripta
T1  - Structural and electrical properties of ferroelectric poly(vinylidene fluoride) and mechanically activated ZnO nanoparticle composite films
SP  - 105801
VL  - 93
DO  - 10.1088/1402-4896/aad749
ER  - 
@article{
author = "Peleš, Adriana and Aleksić, Obrad S. and Pavlović, Vera P. and Đoković, Vladimir and Dojčilović, Radovan and Nikolić, Z. and Marinković, F. and Mitrić, Miodrag and Blagojević, Vladimir A. and Vlahović, Branislav and Pavlović, Vladimir B.",
year = "2018",
url = "http://dais.sanu.ac.rs/123456789/4608",
abstract = "The influence of the mechanical activation of ZnO nanoparticle fillers on the structural and electrical properties of the matrix of poly(vinylidenefluoride)-ZnO (PVDF-ZnO) films was investigated. Transmission electron microscopy and scanning electron microscopy analyses showed that mechanical activation in a high energy planetary ball mill reduces the size of ZnO particles. X-ray diffraction and Raman spectroscopy revealed that PVDF crystallized predominantly as the γ-phase. Non-activated ZnO filler reduces the degree of the crystallinity of the matrix and promotes crystallization of α-phase of PVDF in the film, while the fillers activated for 5 and 10 min induce crystallization of β-phase, indicating that mechanical activation of the filler can be used as a general method for fabrication of PVDF composites with increased content of piezoelectric β-phase crystals. Dielectric spectroscopy measurements show that polymer composite with the high content of β-phase (with ZnO filler activated for 5 min) exhibits the highest value of dielectric permittivity in 150-400 K range of temperatures. Kinetic analysis shows combined effects of increased surface area and increased concentration of surface defects on the interactions between polymer chains and activated nanoparticles. © 2018 IOP Publishing Ltd.",
publisher = "IOP Publishing",
journal = "Physica Scripta",
title = "Structural and electrical properties of ferroelectric poly(vinylidene fluoride) and mechanically activated ZnO nanoparticle composite films",
pages = "105801",
volume = "93",
doi = "10.1088/1402-4896/aad749"
}
Peleš, A., Aleksić, O. S., Pavlović, V. P., Đoković, V., Dojčilović, R., Nikolić, Z., Marinković, F., Mitrić, M., Blagojević, V. A., Vlahović, B.,& Pavlović, V. B. (2018). Structural and electrical properties of ferroelectric poly(vinylidene fluoride) and mechanically activated ZnO nanoparticle composite films.
Physica ScriptaIOP Publishing., 93, 105801.
https://doi.org/10.1088/1402-4896/aad749
Peleš A, Aleksić OS, Pavlović VP, Đoković V, Dojčilović R, Nikolić Z, Marinković F, Mitrić M, Blagojević VA, Vlahović B, Pavlović VB. Structural and electrical properties of ferroelectric poly(vinylidene fluoride) and mechanically activated ZnO nanoparticle composite films. Physica Scripta. 2018;93:105801
Peleš Adriana, Aleksić Obrad S., Pavlović Vera P., Đoković Vladimir, Dojčilović Radovan, Nikolić Z., Marinković F., Mitrić Miodrag, Blagojević Vladimir A., Vlahović Branislav, Pavlović Vladimir B., "Structural and electrical properties of ferroelectric poly(vinylidene fluoride) and mechanically activated ZnO nanoparticle composite films" 93 (2018):105801,
https://doi.org/10.1088/1402-4896/aad749 .
1
6
4
6

DUV fluorescence bioimaging study of the interaction of partially reduced graphene oxide and liver cancer cells

Dojčilović, Radovan; Pajović, Jelena D.; Božanić, Dušan K.; Jović, Nataša; Pavlović, Vera P.; Pavlović, Vladimir B.; Acković, Lea Lenhardt; Zeković, Ivana; Dramićanin, Miroslav; Kaščaková, Slavka; Réfrégiers, Matthieu; Rašić, Goran; Vlahović, Branislav; Đoković, Vladimir

(IOP Publishing, 2018)

TY  - JOUR
AU  - Dojčilović, Radovan
AU  - Pajović, Jelena D.
AU  - Božanić, Dušan K.
AU  - Jović, Nataša
AU  - Pavlović, Vera P.
AU  - Pavlović, Vladimir B.
AU  - Acković, Lea Lenhardt
AU  - Zeković, Ivana
AU  - Dramićanin, Miroslav
AU  - Kaščaková, Slavka
AU  - Réfrégiers, Matthieu
AU  - Rašić, Goran
AU  - Vlahović, Branislav
AU  - Đoković, Vladimir
PY  - 2018
UR  - http://dais.sanu.ac.rs/123456789/4604
AB  - The interaction of partially reduced graphene oxide (prGO) and Huh7.5.1 liver cancer cells was investigated by means of DUV fluorescence bioimaging. The prGO sample was obtained by the reduction (to a certain extent) of the initially prepared graphene oxide (GO) nanosheets with hydrazine. The fluorescence of the GO nanosheets increases with time of the reduction due to a change in ratio of the sp2 and sp3 carbon sites and the prGO sample was extracted from the dispersion after 6 min, when the intensity of the fluorescence reached its maximum. The reduction process was left to proceed further to saturation until highly reduced graphene oxide (denoted here as rGO) was obtained. GO, prGO and rGO samples were investigated by structural (scanning electron microscopy (SEM), scanning transmission electron microscopy coupled with energy dispersive spectrometry (STEM-EDS)) and spectroscopic (UV-vis, photoluminescence (PL), Raman) methods. After that, Huh7.5.1 cells were incubated with GO, prGO and rGO nanosheets and used in bioimaging studies, which were performed on DISCO beamline of synchrotron SOLEIL. It was found that the prGO significantly enhanced the fluorescence of the cells and increased the intensity of the signal by ~2.5 times. Time-lapse fluorescence microscopy experiments showed that fluorescence dynamics strongly depends on the type of nanosheets used. The obtained prGO nanostructure can be easily conjugated with aromatic ring containing drugs, which opens a possibility for its applications in fluorescence microscopy monitored drug delivery. © 2018 IOP Publishing Ltd.
PB  - IOP Publishing
T2  - 2D Materials
T1  - DUV fluorescence bioimaging study of the interaction of partially reduced graphene oxide and liver cancer cells
SP  - 045019
VL  - 5
DO  - 10.1088/2053-1583/aad72b
ER  - 
@article{
author = "Dojčilović, Radovan and Pajović, Jelena D. and Božanić, Dušan K. and Jović, Nataša and Pavlović, Vera P. and Pavlović, Vladimir B. and Acković, Lea Lenhardt and Zeković, Ivana and Dramićanin, Miroslav and Kaščaková, Slavka and Réfrégiers, Matthieu and Rašić, Goran and Vlahović, Branislav and Đoković, Vladimir",
year = "2018",
url = "http://dais.sanu.ac.rs/123456789/4604",
abstract = "The interaction of partially reduced graphene oxide (prGO) and Huh7.5.1 liver cancer cells was investigated by means of DUV fluorescence bioimaging. The prGO sample was obtained by the reduction (to a certain extent) of the initially prepared graphene oxide (GO) nanosheets with hydrazine. The fluorescence of the GO nanosheets increases with time of the reduction due to a change in ratio of the sp2 and sp3 carbon sites and the prGO sample was extracted from the dispersion after 6 min, when the intensity of the fluorescence reached its maximum. The reduction process was left to proceed further to saturation until highly reduced graphene oxide (denoted here as rGO) was obtained. GO, prGO and rGO samples were investigated by structural (scanning electron microscopy (SEM), scanning transmission electron microscopy coupled with energy dispersive spectrometry (STEM-EDS)) and spectroscopic (UV-vis, photoluminescence (PL), Raman) methods. After that, Huh7.5.1 cells were incubated with GO, prGO and rGO nanosheets and used in bioimaging studies, which were performed on DISCO beamline of synchrotron SOLEIL. It was found that the prGO significantly enhanced the fluorescence of the cells and increased the intensity of the signal by ~2.5 times. Time-lapse fluorescence microscopy experiments showed that fluorescence dynamics strongly depends on the type of nanosheets used. The obtained prGO nanostructure can be easily conjugated with aromatic ring containing drugs, which opens a possibility for its applications in fluorescence microscopy monitored drug delivery. © 2018 IOP Publishing Ltd.",
publisher = "IOP Publishing",
journal = "2D Materials",
title = "DUV fluorescence bioimaging study of the interaction of partially reduced graphene oxide and liver cancer cells",
pages = "045019",
volume = "5",
doi = "10.1088/2053-1583/aad72b"
}
Dojčilović, R., Pajović, J. D., Božanić, D. K., Jović, N., Pavlović, V. P., Pavlović, V. B., Acković, L. L., Zeković, I., Dramićanin, M., Kaščaková, S., Réfrégiers, M., Rašić, G., Vlahović, B.,& Đoković, V. (2018). DUV fluorescence bioimaging study of the interaction of partially reduced graphene oxide and liver cancer cells.
2D MaterialsIOP Publishing., 5, 045019.
https://doi.org/10.1088/2053-1583/aad72b
Dojčilović R, Pajović JD, Božanić DK, Jović N, Pavlović VP, Pavlović VB, Acković LL, Zeković I, Dramićanin M, Kaščaková S, Réfrégiers M, Rašić G, Vlahović B, Đoković V. DUV fluorescence bioimaging study of the interaction of partially reduced graphene oxide and liver cancer cells. 2D Materials. 2018;5:045019
Dojčilović Radovan, Pajović Jelena D., Božanić Dušan K., Jović Nataša, Pavlović Vera P., Pavlović Vladimir B., Acković Lea Lenhardt, Zeković Ivana, Dramićanin Miroslav, Kaščaková Slavka, Réfrégiers Matthieu, Rašić Goran, Vlahović Branislav, Đoković Vladimir, "DUV fluorescence bioimaging study of the interaction of partially reduced graphene oxide and liver cancer cells" 5 (2018):045019,
https://doi.org/10.1088/2053-1583/aad72b .
5

DUV fluorescence bioimaging study of the interaction of partially reduced graphene oxide and liver cancer cells

Dojčilović, Radovan; Pajović, Jelena D.; Božanić, Dušan K.; Jović, Nataša; Pavlović, Vera P.; Pavlović, Vladimir B.; Acković, Lea Lenhardt; Zeković, Ivana; Dramićanin, Miroslav; Kaščaková, Slavka; Réfrégiers, Matthieu; Rašić, Goran; Vlahović, Branislav; Đoković, Vladimir

(IOP Publishing, 2018)

TY  - JOUR
AU  - Dojčilović, Radovan
AU  - Pajović, Jelena D.
AU  - Božanić, Dušan K.
AU  - Jović, Nataša
AU  - Pavlović, Vera P.
AU  - Pavlović, Vladimir B.
AU  - Acković, Lea Lenhardt
AU  - Zeković, Ivana
AU  - Dramićanin, Miroslav
AU  - Kaščaková, Slavka
AU  - Réfrégiers, Matthieu
AU  - Rašić, Goran
AU  - Vlahović, Branislav
AU  - Đoković, Vladimir
PY  - 2018
UR  - http://dais.sanu.ac.rs/123456789/4081
AB  - The interaction of partially reduced graphene oxide (prGO) and Huh7.5.1 liver cancer cells was investigated by means of DUV fluorescence bioimaging. The prGO sample was obtained by the reduction (to a certain extent) of the initially prepared graphene oxide (GO) nanosheets with hydrazine. The fluorescence of the GO nanosheets increases with time of the reduction due to a change in ratio of the sp2 and sp3 carbon sites and the prGO sample was extracted from the dispersion after 6 min, when the intensity of the fluorescence reached its maximum. The reduction process was left to proceed further to saturation until highly reduced graphene oxide (denoted here as rGO) was obtained. GO, prGO and rGO samples were investigated by structural (scanning electron microscopy (SEM), scanning transmission electron microscopy coupled with energy dispersive spectrometry (STEM-EDS)) and spectroscopic (UV-vis, photoluminescence (PL), Raman) methods. After that, Huh7.5.1 cells were incubated with GO, prGO and rGO nanosheets and used in bioimaging studies, which were performed on DISCO beamline of synchrotron SOLEIL. It was found that the prGO significantly enhanced the fluorescence of the cells and increased the intensity of the signal by ~2.5 times. Time-lapse fluorescence microscopy experiments showed that fluorescence dynamics strongly depends on the type of nanosheets used. The obtained prGO nanostructure can be easily conjugated with aromatic ring containing drugs, which opens a possibility for its applications in fluorescence microscopy monitored drug delivery. © 2018 IOP Publishing Ltd.
PB  - IOP Publishing
T2  - 2D Materials
T1  - DUV fluorescence bioimaging study of the interaction of partially reduced graphene oxide and liver cancer cells
SP  - 045019
VL  - 5
DO  - 10.1088/2053-1583/aad72b
ER  - 
@article{
author = "Dojčilović, Radovan and Pajović, Jelena D. and Božanić, Dušan K. and Jović, Nataša and Pavlović, Vera P. and Pavlović, Vladimir B. and Acković, Lea Lenhardt and Zeković, Ivana and Dramićanin, Miroslav and Kaščaková, Slavka and Réfrégiers, Matthieu and Rašić, Goran and Vlahović, Branislav and Đoković, Vladimir",
year = "2018",
url = "http://dais.sanu.ac.rs/123456789/4081",
abstract = "The interaction of partially reduced graphene oxide (prGO) and Huh7.5.1 liver cancer cells was investigated by means of DUV fluorescence bioimaging. The prGO sample was obtained by the reduction (to a certain extent) of the initially prepared graphene oxide (GO) nanosheets with hydrazine. The fluorescence of the GO nanosheets increases with time of the reduction due to a change in ratio of the sp2 and sp3 carbon sites and the prGO sample was extracted from the dispersion after 6 min, when the intensity of the fluorescence reached its maximum. The reduction process was left to proceed further to saturation until highly reduced graphene oxide (denoted here as rGO) was obtained. GO, prGO and rGO samples were investigated by structural (scanning electron microscopy (SEM), scanning transmission electron microscopy coupled with energy dispersive spectrometry (STEM-EDS)) and spectroscopic (UV-vis, photoluminescence (PL), Raman) methods. After that, Huh7.5.1 cells were incubated with GO, prGO and rGO nanosheets and used in bioimaging studies, which were performed on DISCO beamline of synchrotron SOLEIL. It was found that the prGO significantly enhanced the fluorescence of the cells and increased the intensity of the signal by ~2.5 times. Time-lapse fluorescence microscopy experiments showed that fluorescence dynamics strongly depends on the type of nanosheets used. The obtained prGO nanostructure can be easily conjugated with aromatic ring containing drugs, which opens a possibility for its applications in fluorescence microscopy monitored drug delivery. © 2018 IOP Publishing Ltd.",
publisher = "IOP Publishing",
journal = "2D Materials",
title = "DUV fluorescence bioimaging study of the interaction of partially reduced graphene oxide and liver cancer cells",
pages = "045019",
volume = "5",
doi = "10.1088/2053-1583/aad72b"
}
Dojčilović, R., Pajović, J. D., Božanić, D. K., Jović, N., Pavlović, V. P., Pavlović, V. B., Acković, L. L., Zeković, I., Dramićanin, M., Kaščaková, S., Réfrégiers, M., Rašić, G., Vlahović, B.,& Đoković, V. (2018). DUV fluorescence bioimaging study of the interaction of partially reduced graphene oxide and liver cancer cells.
2D MaterialsIOP Publishing., 5, 045019.
https://doi.org/10.1088/2053-1583/aad72b
Dojčilović R, Pajović JD, Božanić DK, Jović N, Pavlović VP, Pavlović VB, Acković LL, Zeković I, Dramićanin M, Kaščaková S, Réfrégiers M, Rašić G, Vlahović B, Đoković V. DUV fluorescence bioimaging study of the interaction of partially reduced graphene oxide and liver cancer cells. 2D Materials. 2018;5:045019
Dojčilović Radovan, Pajović Jelena D., Božanić Dušan K., Jović Nataša, Pavlović Vera P., Pavlović Vladimir B., Acković Lea Lenhardt, Zeković Ivana, Dramićanin Miroslav, Kaščaková Slavka, Réfrégiers Matthieu, Rašić Goran, Vlahović Branislav, Đoković Vladimir, "DUV fluorescence bioimaging study of the interaction of partially reduced graphene oxide and liver cancer cells" 5 (2018):045019,
https://doi.org/10.1088/2053-1583/aad72b .
5

Zirconium dioxide nanopowders with incorporated Si4+ions asefficient photocatalyst for degradation of trichlorophenol usingsimulated solar light

Carević, M. V.; Abazović, Nadica; Novaković, T. B.; Pavlović, Vladimir B.; Čomor, Mirjana

(Elsevier, 2016)

TY  - JOUR
AU  - Carević, M. V.
AU  - Abazović, Nadica
AU  - Novaković, T. B.
AU  - Pavlović, Vladimir B.
AU  - Čomor, Mirjana
PY  - 2016
UR  - http://dais.sanu.ac.rs/123456789/15963
AB  - We present a hydrothermal method for synthesis of zirconia nanopowders: pure and with incorporatedSi4+ions. Zirconyl chloride and tetraethyl orthosilicate were used as precursors. As prepared powderswere annealed at 600◦C and characterized using structural (XRD), morphological (SEM and TEM) andoptical techniques (UV/vis DR, FTIR and photoluminescence spectroscopy). Their textural properties(BET method) and photocatalytic activity toward degradation of model compounds (tricholophenol andRhodamine B) using simmulated solar light were obtained. We showed that by using hydrothermal syn-thesis method pure monoclinic ZrO2highly crystalline powder can be obtained. Incorporation of Si4+ionsinduced stabilization of tetragonal crystalline phase at room temperature and decreasing of particle sizes.Incorporation of Si4+ions in zirconia matrix also resulted in increase of specific area of nanopowders. FTIRmeasurements were used as proof for existence of Zr O Si bond. Effective band gap of zirconia pow-ders was reduced from 5 (pure ZrO2) to 3.8 eV for samples with Si4+ions. All zirconia powders showedsignificant photocatalytic activity regarding degradation of triclorophenol and no activity regarding RB(Rhodamine B dye). Photocatalytic activity of zirconia was increased by incorporation of Si ions in thehost matrix. The source of this observation is discussed correlating all obtained properties of pure andSi-incorporated nanopowders. Optimization of synthesis parameters and composition of zirconia sam-ples obviously can lead to their photocatalytic activity comparable to Degussa TiO2powder, famous andcommercial photocatalyst.
PB  - Elsevier
T2  - Applied Catalysis B: Environmental
T1  - Zirconium dioxide nanopowders with incorporated Si4+ions asefficient photocatalyst for degradation of trichlorophenol usingsimulated solar light
SP  - 112
EP  - 120
VL  - 195
DO  - 10.1016/j.apcatb.2016.05.005
ER  - 
@article{
author = "Carević, M. V. and Abazović, Nadica and Novaković, T. B. and Pavlović, Vladimir B. and Čomor, Mirjana",
year = "2016",
url = "http://dais.sanu.ac.rs/123456789/15963",
abstract = "We present a hydrothermal method for synthesis of zirconia nanopowders: pure and with incorporatedSi4+ions. Zirconyl chloride and tetraethyl orthosilicate were used as precursors. As prepared powderswere annealed at 600◦C and characterized using structural (XRD), morphological (SEM and TEM) andoptical techniques (UV/vis DR, FTIR and photoluminescence spectroscopy). Their textural properties(BET method) and photocatalytic activity toward degradation of model compounds (tricholophenol andRhodamine B) using simmulated solar light were obtained. We showed that by using hydrothermal syn-thesis method pure monoclinic ZrO2highly crystalline powder can be obtained. Incorporation of Si4+ionsinduced stabilization of tetragonal crystalline phase at room temperature and decreasing of particle sizes.Incorporation of Si4+ions in zirconia matrix also resulted in increase of specific area of nanopowders. FTIRmeasurements were used as proof for existence of Zr O Si bond. Effective band gap of zirconia pow-ders was reduced from 5 (pure ZrO2) to 3.8 eV for samples with Si4+ions. All zirconia powders showedsignificant photocatalytic activity regarding degradation of triclorophenol and no activity regarding RB(Rhodamine B dye). Photocatalytic activity of zirconia was increased by incorporation of Si ions in thehost matrix. The source of this observation is discussed correlating all obtained properties of pure andSi-incorporated nanopowders. Optimization of synthesis parameters and composition of zirconia sam-ples obviously can lead to their photocatalytic activity comparable to Degussa TiO2powder, famous andcommercial photocatalyst.",
publisher = "Elsevier",
journal = "Applied Catalysis B: Environmental",
title = "Zirconium dioxide nanopowders with incorporated Si4+ions asefficient photocatalyst for degradation of trichlorophenol usingsimulated solar light",
pages = "112-120",
volume = "195",
doi = "10.1016/j.apcatb.2016.05.005"
}
Carević, M. V., Abazović, N., Novaković, T. B., Pavlović, V. B.,& Čomor, M. (2016). Zirconium dioxide nanopowders with incorporated Si4+ions asefficient photocatalyst for degradation of trichlorophenol usingsimulated solar light.
Applied Catalysis B: EnvironmentalElsevier., 195, 112-120.
https://doi.org/10.1016/j.apcatb.2016.05.005
Carević MV, Abazović N, Novaković TB, Pavlović VB, Čomor M. Zirconium dioxide nanopowders with incorporated Si4+ions asefficient photocatalyst for degradation of trichlorophenol usingsimulated solar light. Applied Catalysis B: Environmental. 2016;195:112-120
Carević M. V., Abazović Nadica, Novaković T. B., Pavlović Vladimir B., Čomor Mirjana, "Zirconium dioxide nanopowders with incorporated Si4+ions asefficient photocatalyst for degradation of trichlorophenol usingsimulated solar light" 195 (2016):112-120,
https://doi.org/10.1016/j.apcatb.2016.05.005 .
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Spherical assemblies of titania nanotubes generated through aerosol processing

Jovanović, Dragana J.; Dugandžić, Ivan; Ćirić Marjanović, Gordana; Radetić, Tamara; Ahrenkiel, Scott P.; Milošević, Olivera; Nedeljković, Jovan; Šaponjić, Zoran; Mančić, Lidija

(Elsevier, 2015)

TY  - JOUR
AU  - Jovanović, Dragana J.
AU  - Dugandžić, Ivan
AU  - Ćirić Marjanović, Gordana
AU  - Radetić, Tamara
AU  - Ahrenkiel, Scott P.
AU  - Milošević, Olivera
AU  - Nedeljković, Jovan
AU  - Šaponjić, Zoran
AU  - Mančić, Lidija
PY  - 2015
UR  - http://dais.sanu.ac.rs/123456789/3523
AB  - We report on the possibility to build hierarchically organized three-dimensional (3D) titania spherical particles having high surface-to-volume-ratio, by aerosol processing of nanotubular building blocks. Morphology and crystal structure of titania based spherical assemblies, obtained in the temperature range from 150 to 650°C, were characterized by means of scanning and transmission electron microscopy, x-ray powder diffraction and Raman spectroscopy. Initial shape of 1D building units, nanotubes, was well preserved in the spherical assemblies processed at 150 and 450°C. Processing at 650°C resulted in a collapse of the nanotubular building blocks and formation of the assemblies of irregularly shaped TiO2 nanoparticles. Structural analysis revealed several phase transitions in titania spherical assemblies in course with the temperature increase indicating possibility of in-situ phase composition adjustment during aerosol processing. © 2015 Elsevier Ltd and Techna Group S.r.l.
PB  - Elsevier
T2  - Ceramics International
T1  - Spherical assemblies of titania nanotubes generated through aerosol processing
SP  - 14754
EP  - 14759
VL  - 41
IS  - 10, Part B
DO  - 10.1016/j.ceramint.2015.07.205
ER  - 
@article{
author = "Jovanović, Dragana J. and Dugandžić, Ivan and Ćirić Marjanović, Gordana and Radetić, Tamara and Ahrenkiel, Scott P. and Milošević, Olivera and Nedeljković, Jovan and Šaponjić, Zoran and Mančić, Lidija",
year = "2015",
url = "http://dais.sanu.ac.rs/123456789/3523",
abstract = "We report on the possibility to build hierarchically organized three-dimensional (3D) titania spherical particles having high surface-to-volume-ratio, by aerosol processing of nanotubular building blocks. Morphology and crystal structure of titania based spherical assemblies, obtained in the temperature range from 150 to 650°C, were characterized by means of scanning and transmission electron microscopy, x-ray powder diffraction and Raman spectroscopy. Initial shape of 1D building units, nanotubes, was well preserved in the spherical assemblies processed at 150 and 450°C. Processing at 650°C resulted in a collapse of the nanotubular building blocks and formation of the assemblies of irregularly shaped TiO2 nanoparticles. Structural analysis revealed several phase transitions in titania spherical assemblies in course with the temperature increase indicating possibility of in-situ phase composition adjustment during aerosol processing. © 2015 Elsevier Ltd and Techna Group S.r.l.",
publisher = "Elsevier",
journal = "Ceramics International",
title = "Spherical assemblies of titania nanotubes generated through aerosol processing",
pages = "14754-14759",
volume = "41",
number = "10, Part B",
doi = "10.1016/j.ceramint.2015.07.205"
}
Jovanović, D. J., Dugandžić, I., Ćirić Marjanović, G., Radetić, T., Ahrenkiel, S. P., Milošević, O., Nedeljković, J., Šaponjić, Z.,& Mančić, L. (2015). Spherical assemblies of titania nanotubes generated through aerosol processing.
Ceramics InternationalElsevier., 41(10, Part B), 14754-14759.
https://doi.org/10.1016/j.ceramint.2015.07.205
Jovanović DJ, Dugandžić I, Ćirić Marjanović G, Radetić T, Ahrenkiel SP, Milošević O, Nedeljković J, Šaponjić Z, Mančić L. Spherical assemblies of titania nanotubes generated through aerosol processing. Ceramics International. 2015;41(10, Part B):14754-14759
Jovanović Dragana J., Dugandžić Ivan, Ćirić Marjanović Gordana, Radetić Tamara, Ahrenkiel Scott P., Milošević Olivera, Nedeljković Jovan, Šaponjić Zoran, Mančić Lidija, "Spherical assemblies of titania nanotubes generated through aerosol processing" 41, no. 10, Part B (2015):14754-14759,
https://doi.org/10.1016/j.ceramint.2015.07.205 .
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Ferroelectric nanocomposites of polyvinylidene fluoride/polymethyl methacrylate blend and BaTiO3 particles: Fabrication of β-crystal polymorph rich matrix through mechanical activation of the filler

Mofokeng, Tladi G.; Luyt, Adriaan S.; Pavlović, Vera P.; Pavlović, Vladimir B.; Dudić, Duško; Vlahović, Branislav; Đoković, Vladimir

(AIP Publishing, 2014)

TY  - JOUR
AU  - Mofokeng, Tladi G.
AU  - Luyt, Adriaan S.
AU  - Pavlović, Vera P.
AU  - Pavlović, Vladimir B.
AU  - Dudić, Duško
AU  - Vlahović, Branislav
AU  - Đoković, Vladimir
PY  - 2014
UR  - http://dais.sanu.ac.rs/123456789/660
AB  - Nanocomposites of polyvinylidene fluoride/polymethyl methacrylate (PVDF/PMMA) blend and mechanically activated barium titanate (BaTiO3) particles were prepared by melt mixing. Modification of filler by means of mechanical activation has a profound effect on the crystallization of PVDF in the blend matrix. Raman analysis showed that the modified BaTiO3 particles, due to higher specific surfaces, induce, predominantly, the crystallization of the electrically active β-phase of PVDF, while the initial micron size particles induce the formation of the most common but non-polar α-crystal form. The introduction of activated particles reduces the overall crystallinity but slightly affects the crystallization and melting temperatures of the matrix. Dielectric spectroscopy revealed that at fixed filler content the dielectric constant of the blend increases with decreasing of the particle size (increasing of the activation time). A similar trend was observed for the storage moduli in dynamic mechanical analysis; the stiffness of the composite was higher when mechanically activated particles were used.
PB  - AIP Publishing
T2  - Journal of Applied Physics
T1  - Ferroelectric nanocomposites of polyvinylidene fluoride/polymethyl methacrylate blend and BaTiO3 particles: Fabrication of β-crystal polymorph rich matrix through mechanical activation of the filler
SP  - 084109
VL  - 115
DO  - 10.1063/1.4866694
ER  - 
@article{
author = "Mofokeng, Tladi G. and Luyt, Adriaan S. and Pavlović, Vera P. and Pavlović, Vladimir B. and Dudić, Duško and Vlahović, Branislav and Đoković, Vladimir",
year = "2014",
url = "http://dais.sanu.ac.rs/123456789/660",
abstract = "Nanocomposites of polyvinylidene fluoride/polymethyl methacrylate (PVDF/PMMA) blend and mechanically activated barium titanate (BaTiO3) particles were prepared by melt mixing. Modification of filler by means of mechanical activation has a profound effect on the crystallization of PVDF in the blend matrix. Raman analysis showed that the modified BaTiO3 particles, due to higher specific surfaces, induce, predominantly, the crystallization of the electrically active β-phase of PVDF, while the initial micron size particles induce the formation of the most common but non-polar α-crystal form. The introduction of activated particles reduces the overall crystallinity but slightly affects the crystallization and melting temperatures of the matrix. Dielectric spectroscopy revealed that at fixed filler content the dielectric constant of the blend increases with decreasing of the particle size (increasing of the activation time). A similar trend was observed for the storage moduli in dynamic mechanical analysis; the stiffness of the composite was higher when mechanically activated particles were used.",
publisher = "AIP Publishing",
journal = "Journal of Applied Physics",
title = "Ferroelectric nanocomposites of polyvinylidene fluoride/polymethyl methacrylate blend and BaTiO3 particles: Fabrication of β-crystal polymorph rich matrix through mechanical activation of the filler",
pages = "084109",
volume = "115",
doi = "10.1063/1.4866694"
}
Mofokeng, T. G., Luyt, A. S., Pavlović, V. P., Pavlović, V. B., Dudić, D., Vlahović, B.,& Đoković, V. (2014). Ferroelectric nanocomposites of polyvinylidene fluoride/polymethyl methacrylate blend and BaTiO3 particles: Fabrication of β-crystal polymorph rich matrix through mechanical activation of the filler.
Journal of Applied PhysicsAIP Publishing., 115, 084109.
https://doi.org/10.1063/1.4866694
Mofokeng TG, Luyt AS, Pavlović VP, Pavlović VB, Dudić D, Vlahović B, Đoković V. Ferroelectric nanocomposites of polyvinylidene fluoride/polymethyl methacrylate blend and BaTiO3 particles: Fabrication of β-crystal polymorph rich matrix through mechanical activation of the filler. Journal of Applied Physics. 2014;115:084109
Mofokeng Tladi G., Luyt Adriaan S., Pavlović Vera P., Pavlović Vladimir B., Dudić Duško, Vlahović Branislav, Đoković Vladimir, "Ferroelectric nanocomposites of polyvinylidene fluoride/polymethyl methacrylate blend and BaTiO3 particles: Fabrication of β-crystal polymorph rich matrix through mechanical activation of the filler" 115 (2014):084109,
https://doi.org/10.1063/1.4866694 .
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Ultrasonic spray pyrolysis of surface modified TiO2 nanoparticles with dopamine

Dugandžić, Ivan; Jovanović, Dragana J.; Mančić, Lidija; Milošević, Olivera; Ahrenkiel, Scott P.; Šaponjić, Zoran; Nedeljković, Jovan

(2013)

TY  - JOUR
AU  - Dugandžić, Ivan
AU  - Jovanović, Dragana J.
AU  - Mančić, Lidija
AU  - Milošević, Olivera
AU  - Ahrenkiel, Scott P.
AU  - Šaponjić, Zoran
AU  - Nedeljković, Jovan
PY  - 2013
UR  - http://dais.sanu.ac.rs/123456789/344
AB  - Spherical, submicronic TiO2 powder particles were prepared in the low temperature process of ultrasonic spray pyrolysis (150 °C) by using as a precursor aqueous colloidal solutions consisting of surface modified 45 Å TiO2 nanoparticles with dopamine. Detailed structural and morphological characterization of colored submicronic TiO2 spheres was performed by X-ray powder diffraction (XRPD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), laser particle size analysis and FTIR techniques. Also, optical characterization of both dopamine-modified TiO2 precursor nanoparticles and submicronic TiO2 powder particles was performed using absorption and diffuse reflectance spectroscopy, respectively. A significant decrease of the effective band gap (1.9 eV) in dopamine-modified TiO2 nanoparticles compared to the band gap of bulk material (3.2 eV) was preserved after formation of submicronic TiO2 powder particles in the process of ultrasonic spray pyrolysis under mild experimental conditions. Due to the nanostructured nature, surface-modified assemblage of TiO2 nanoparticles preserved unique ability to absorb light through charge transfer complex by photoexcitation of the ligand-to-TiO2 band, conventionally associated with extremely small TiO2 nanoparticles (d < 20 nm) whose surface Ti atoms, owing to the large curvature, have penta-coordinate geometry.
T2  - Materials Chemistry and Physics
T1  - Ultrasonic spray pyrolysis of surface modified TiO2 nanoparticles with dopamine
SP  - 233
EP  - 239
VL  - 143
IS  - 1
DO  - 10.1016/j.matchemphys.2013.08.058
ER  - 
@article{
author = "Dugandžić, Ivan and Jovanović, Dragana J. and Mančić, Lidija and Milošević, Olivera and Ahrenkiel, Scott P. and Šaponjić, Zoran and Nedeljković, Jovan",
year = "2013",
url = "http://dais.sanu.ac.rs/123456789/344",
abstract = "Spherical, submicronic TiO2 powder particles were prepared in the low temperature process of ultrasonic spray pyrolysis (150 °C) by using as a precursor aqueous colloidal solutions consisting of surface modified 45 Å TiO2 nanoparticles with dopamine. Detailed structural and morphological characterization of colored submicronic TiO2 spheres was performed by X-ray powder diffraction (XRPD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), laser particle size analysis and FTIR techniques. Also, optical characterization of both dopamine-modified TiO2 precursor nanoparticles and submicronic TiO2 powder particles was performed using absorption and diffuse reflectance spectroscopy, respectively. A significant decrease of the effective band gap (1.9 eV) in dopamine-modified TiO2 nanoparticles compared to the band gap of bulk material (3.2 eV) was preserved after formation of submicronic TiO2 powder particles in the process of ultrasonic spray pyrolysis under mild experimental conditions. Due to the nanostructured nature, surface-modified assemblage of TiO2 nanoparticles preserved unique ability to absorb light through charge transfer complex by photoexcitation of the ligand-to-TiO2 band, conventionally associated with extremely small TiO2 nanoparticles (d < 20 nm) whose surface Ti atoms, owing to the large curvature, have penta-coordinate geometry.",
journal = "Materials Chemistry and Physics",
title = "Ultrasonic spray pyrolysis of surface modified TiO2 nanoparticles with dopamine",
pages = "233-239",
volume = "143",
number = "1",
doi = "10.1016/j.matchemphys.2013.08.058"
}
Dugandžić, I., Jovanović, D. J., Mančić, L., Milošević, O., Ahrenkiel, S. P., Šaponjić, Z.,& Nedeljković, J. (2013). Ultrasonic spray pyrolysis of surface modified TiO2 nanoparticles with dopamine.
Materials Chemistry and Physics, 143(1), 233-239.
https://doi.org/10.1016/j.matchemphys.2013.08.058
Dugandžić I, Jovanović DJ, Mančić L, Milošević O, Ahrenkiel SP, Šaponjić Z, Nedeljković J. Ultrasonic spray pyrolysis of surface modified TiO2 nanoparticles with dopamine. Materials Chemistry and Physics. 2013;143(1):233-239
Dugandžić Ivan, Jovanović Dragana J., Mančić Lidija, Milošević Olivera, Ahrenkiel Scott P., Šaponjić Zoran, Nedeljković Jovan, "Ultrasonic spray pyrolysis of surface modified TiO2 nanoparticles with dopamine" 143, no. 1 (2013):233-239,
https://doi.org/10.1016/j.matchemphys.2013.08.058 .
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