TY  - CONF
AU  - Pergal, Marija
AU  - Kodranov, Igor
AU  - Vasiljević Radović, Dana
AU  - Nikodinović-Runić, Jasmina
AU  - Dojčinović, Biljana
AU  - Manojlović, Dragan
AU  - Antić, Bratislav
PY  - 2022
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/11105
AB  - Polyurethane (PU) nanocomposites are highly utilized in biomedical devices/implants due to their excellent mechanical properties, good biocompatibility, and low cytotoxicity. These PU nanocomposites with silver nanoparticles are well known potent antimicrobial agents. Biocompatible magnetic nanoparticles such as ferrites has also gained attention especially in various fields of drug delivery, biosensing and magnetic resonance imaging which requires highly specific magnetic nanoparticle (MNP) properties such as uniform size distribution, less agglomeration and stability in the biological medium. Among MNP, copper and zinc ferrites have been broadly applicable in biomedical, optoelectronic, catalysis and drug delivery. With a view to design PU/ferrites nanocomposites and to explore their antimicrobial potential, the present preliminary study reports the preparation of PU nanocomposites with copper ferrite and zinc ferrite (1 wt.%) and with the same composition. The nanocomposites were characterized using water absorption and swelling measurements. The antimicrobial activity of these composites was investigated against four bacterial strains: Staphylococcus aureus, Enterococcus faecium, Pseudomonas aeruginosa, and Klebsiella pneumoniae, and one Candida strain, C. albicans and compared with those of PU nanocomposites with silver ferrite nanoparticles. PU nanocomposites based on zinc and copper ferrites did not show antimicrobial activity, on the contrary they supported microbial attachment and growth. However, PU nanocomposites with silver ferrite did not show significant antibacterial activity but show antifungal activity and it is related with hydrophilicity of the prepared materials.
PB  - RAD Centre, Niš, Serbia
C3  - RAD 2022 : 10th Jubilee International Conference on Radiation in Various Fields of Research : book of abstracts; July 25-29; Herceg Novi, Montenegro
T1  - Polyurethane/ferrites composite materials:
A study on antimicrobial activity
DO  - 10.21175/rad.sum.abstr.book.2022.11.14
ER  - 

@conference{
author = "Pergal, Marija and Kodranov, Igor and Vasiljević Radović, Dana and Nikodinović-Runić, Jasmina and Dojčinović, Biljana and Manojlović, Dragan and Antić, Bratislav",
year = "2022",
abstract = "Polyurethane (PU) nanocomposites are highly utilized in biomedical devices/implants due to their excellent mechanical properties, good biocompatibility, and low cytotoxicity. These PU nanocomposites with silver nanoparticles are well known potent antimicrobial agents. Biocompatible magnetic nanoparticles such as ferrites has also gained attention especially in various fields of drug delivery, biosensing and magnetic resonance imaging which requires highly specific magnetic nanoparticle (MNP) properties such as uniform size distribution, less agglomeration and stability in the biological medium. Among MNP, copper and zinc ferrites have been broadly applicable in biomedical, optoelectronic, catalysis and drug delivery. With a view to design PU/ferrites nanocomposites and to explore their antimicrobial potential, the present preliminary study reports the preparation of PU nanocomposites with copper ferrite and zinc ferrite (1 wt.%) and with the same composition. The nanocomposites were characterized using water absorption and swelling measurements. The antimicrobial activity of these composites was investigated against four bacterial strains: Staphylococcus aureus, Enterococcus faecium, Pseudomonas aeruginosa, and Klebsiella pneumoniae, and one Candida strain, C. albicans and compared with those of PU nanocomposites with silver ferrite nanoparticles. PU nanocomposites based on zinc and copper ferrites did not show antimicrobial activity, on the contrary they supported microbial attachment and growth. However, PU nanocomposites with silver ferrite did not show significant antibacterial activity but show antifungal activity and it is related with hydrophilicity of the prepared materials.",
publisher = "RAD Centre, Niš, Serbia",
journal = "RAD 2022 : 10th Jubilee International Conference on Radiation in Various Fields of Research : book of abstracts; July 25-29; Herceg Novi, Montenegro",
title = "Polyurethane/ferrites composite materials:
A study on antimicrobial activity",
doi = "10.21175/rad.sum.abstr.book.2022.11.14"
}

Pergal, M., Kodranov, I., Vasiljević Radović, D., Nikodinović-Runić, J., Dojčinović, B., Manojlović, D.,& Antić, B.. (2022). Polyurethane/ferrites composite materials:
A study on antimicrobial activity. in RAD 2022 : 10th Jubilee International Conference on Radiation in Various Fields of Research : book of abstracts; July 25-29; Herceg Novi, Montenegro
RAD Centre, Niš, Serbia..
https://doi.org/10.21175/rad.sum.abstr.book.2022.11.14

Pergal M, Kodranov I, Vasiljević Radović D, Nikodinović-Runić J, Dojčinović B, Manojlović D, Antić B. Polyurethane/ferrites composite materials:
A study on antimicrobial activity. in RAD 2022 : 10th Jubilee International Conference on Radiation in Various Fields of Research : book of abstracts; July 25-29; Herceg Novi, Montenegro. 2022;.
doi:10.21175/rad.sum.abstr.book.2022.11.14 .

Pergal, Marija, Kodranov, Igor, Vasiljević Radović, Dana, Nikodinović-Runić, Jasmina, Dojčinović, Biljana, Manojlović, Dragan, Antić, Bratislav, "Polyurethane/ferrites composite materials:
A study on antimicrobial activity" in RAD 2022 : 10th Jubilee International Conference on Radiation in Various Fields of Research : book of abstracts; July 25-29; Herceg Novi, Montenegro (2022),
https://doi.org/10.21175/rad.sum.abstr.book.2022.11.14 . .

TY  - JOUR
AU  - Stajčić, Aleksandar
AU  - Stajčić, Ivana
AU  - Mitić, Vojislav V.
AU  - Lu, Chun-An
AU  - Vlahović, Branislav
AU  - Vasiljević-Radović, Dana
PY  - 2022
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/10394
AB  - BaTiO3 (BTO) is considered the most commonly used ceramic material in multilayer ceramic capacitors due to its desirable dielectric properties. Considering that the miniaturization of electronic devices represents an expanding field of research, modification of BTO has been performed to increase dielectric constant and DC bias characteristic/sensitivity. This research presents the effect of N2 and air atmospheres on morphological and dielectric properties of BTO nanoparticles modified with organometallic salt at sintering temperatures of 1200∘1200∘C, 1250∘1250∘C, 1300∘1300∘C, and 1350∘1350∘C. Measured dielectric constants were up to 35,000, with achieved very high values in both atmospheres. Field emission scanning electron microscopy (FESEM) was used for morphological characterization, revealing a porous structure in all the samples. The software image analysis of FESEM images showed a connection between particle and pore size distribution, as well as porosity. Based on the data from the image analysis, the prediction of dielectric properties in relation to morphology indicated that yttrium-based organometallic salt reduced oxygen vacancy generation in N2 atmosphere. DC bias sensitivity measurements showed that samples with higher dielectric constant had more pronounced sensitivity to voltage change, but most of the samples were stable up to 100 V, making our modified BTO a promising candidate for capacitors.
T2  - Modern Physics Letters B
T1  - Sintering parameters influence on dielectric properties of modified nano-BaTiO3 ceramics
VL  - 36
IS  - 19
SP  - 2250060
DO  - 10.1142/S0217984922500609
ER  - 

@article{
author = "Stajčić, Aleksandar and Stajčić, Ivana and Mitić, Vojislav V. and Lu, Chun-An and Vlahović, Branislav and Vasiljević-Radović, Dana",
year = "2022",
abstract = "BaTiO3 (BTO) is considered the most commonly used ceramic material in multilayer ceramic capacitors due to its desirable dielectric properties. Considering that the miniaturization of electronic devices represents an expanding field of research, modification of BTO has been performed to increase dielectric constant and DC bias characteristic/sensitivity. This research presents the effect of N2 and air atmospheres on morphological and dielectric properties of BTO nanoparticles modified with organometallic salt at sintering temperatures of 1200∘1200∘C, 1250∘1250∘C, 1300∘1300∘C, and 1350∘1350∘C. Measured dielectric constants were up to 35,000, with achieved very high values in both atmospheres. Field emission scanning electron microscopy (FESEM) was used for morphological characterization, revealing a porous structure in all the samples. The software image analysis of FESEM images showed a connection between particle and pore size distribution, as well as porosity. Based on the data from the image analysis, the prediction of dielectric properties in relation to morphology indicated that yttrium-based organometallic salt reduced oxygen vacancy generation in N2 atmosphere. DC bias sensitivity measurements showed that samples with higher dielectric constant had more pronounced sensitivity to voltage change, but most of the samples were stable up to 100 V, making our modified BTO a promising candidate for capacitors.",
journal = "Modern Physics Letters B",
title = "Sintering parameters influence on dielectric properties of modified nano-BaTiO3 ceramics",
volume = "36",
number = "19",
pages = "2250060",
doi = "10.1142/S0217984922500609"
}

Stajčić, A., Stajčić, I., Mitić, V. V., Lu, C., Vlahović, B.,& Vasiljević-Radović, D.. (2022). Sintering parameters influence on dielectric properties of modified nano-BaTiO3 ceramics. in Modern Physics Letters B, 36(19), 2250060.
https://doi.org/10.1142/S0217984922500609

Stajčić A, Stajčić I, Mitić VV, Lu C, Vlahović B, Vasiljević-Radović D. Sintering parameters influence on dielectric properties of modified nano-BaTiO3 ceramics. in Modern Physics Letters B. 2022;36(19):2250060.
doi:10.1142/S0217984922500609 .

Stajčić, Aleksandar, Stajčić, Ivana, Mitić, Vojislav V., Lu, Chun-An, Vlahović, Branislav, Vasiljević-Radović, Dana, "Sintering parameters influence on dielectric properties of modified nano-BaTiO3 ceramics" in Modern Physics Letters B, 36, no. 19 (2022):2250060,
https://doi.org/10.1142/S0217984922500609 . .

TY  - JOUR
AU  - Stajčić, Ivana
AU  - Stajčić, Aleksandar
AU  - Serpa, Cristina
AU  - Vasiljević-Radović, Dana
AU  - Ranđelović, Branislav
AU  - Radojević, Vesna
AU  - Fecht, Hans
PY  - 2022
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/10576
AB  - Polymers and polymer matrix composites are commonly used materials with applications extending from packaging materials to delicate electronic devices. Epoxy resins and fiber-reinforced epoxy-based composites have been used as adhesives and construction parts. Fractal analysis has been recognized in materials science as a valuable tool for the microstructural characterization of composites by connecting fractal characteristics with composites’ functional properties. In this study, fractal reconstructions of different microstructural shapes in an epoxy-based composite were performed on field emission scanning electron microscopy (FESEM) images. These images were of glass fiber reinforced epoxy as well as a hybrid composite containing both glass and electrospun polystyrene fibers in an epoxy matrix. Fractal reconstruction enables the identification of self-similarity in the fractal structure, which represents a novelty in analyzing the fractal properties of materials. Fractal Real Finder software, based on the mathematical affine fractal regression model, was employed to reconstruct different microstructure shapes and calculate fractal dimensions to develop a method of predicting the optimal structure–property relations in composite materials in the future.
T2  - Fractal and Fractional
T1  - Microstructure of Epoxy-Based Composites: Fractal Nature Analysis †
VL  - 6
IS  - 12
SP  - 741
DO  - 10.3390/fractalfract6120741
ER  - 

@article{
author = "Stajčić, Ivana and Stajčić, Aleksandar and Serpa, Cristina and Vasiljević-Radović, Dana and Ranđelović, Branislav and Radojević, Vesna and Fecht, Hans",
year = "2022",
abstract = "Polymers and polymer matrix composites are commonly used materials with applications extending from packaging materials to delicate electronic devices. Epoxy resins and fiber-reinforced epoxy-based composites have been used as adhesives and construction parts. Fractal analysis has been recognized in materials science as a valuable tool for the microstructural characterization of composites by connecting fractal characteristics with composites’ functional properties. In this study, fractal reconstructions of different microstructural shapes in an epoxy-based composite were performed on field emission scanning electron microscopy (FESEM) images. These images were of glass fiber reinforced epoxy as well as a hybrid composite containing both glass and electrospun polystyrene fibers in an epoxy matrix. Fractal reconstruction enables the identification of self-similarity in the fractal structure, which represents a novelty in analyzing the fractal properties of materials. Fractal Real Finder software, based on the mathematical affine fractal regression model, was employed to reconstruct different microstructure shapes and calculate fractal dimensions to develop a method of predicting the optimal structure–property relations in composite materials in the future.",
journal = "Fractal and Fractional",
title = "Microstructure of Epoxy-Based Composites: Fractal Nature Analysis †",
volume = "6",
number = "12",
pages = "741",
doi = "10.3390/fractalfract6120741"
}

Stajčić, I., Stajčić, A., Serpa, C., Vasiljević-Radović, D., Ranđelović, B., Radojević, V.,& Fecht, H.. (2022). Microstructure of Epoxy-Based Composites: Fractal Nature Analysis †. in Fractal and Fractional, 6(12), 741.
https://doi.org/10.3390/fractalfract6120741

Stajčić I, Stajčić A, Serpa C, Vasiljević-Radović D, Ranđelović B, Radojević V, Fecht H. Microstructure of Epoxy-Based Composites: Fractal Nature Analysis †. in Fractal and Fractional. 2022;6(12):741.
doi:10.3390/fractalfract6120741 .

Stajčić, Ivana, Stajčić, Aleksandar, Serpa, Cristina, Vasiljević-Radović, Dana, Ranđelović, Branislav, Radojević, Vesna, Fecht, Hans, "Microstructure of Epoxy-Based Composites: Fractal Nature Analysis †" in Fractal and Fractional, 6, no. 12 (2022):741,
https://doi.org/10.3390/fractalfract6120741 . .

TY  - CONF
AU  - Carvajal, Miguel
AU  - Sarajlić, Milija
AU  - Stanković, Srboljub
AU  - Vasiljević-Radović, Dana
AU  - Ristić, Goran
PY  - 2022
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/12121
AB  - The energy that comes from the source of ionizing radiation is enormous and quite
unused. Using energy from ionizing radiation is a novel concept, while so far in the
literature (to the best of our knowledge), only beta radiation has been treated as a
possible source of energy (Quenon 2021). This paper focuses on utilizing gamma
radiation energy using the Cobalt-60 radiation source. Direct conversion of radiation into electrical energy is possible using pn or pin junction-based semiconductor
structures. When high-energy photons hit a semiconductor structure, a built-in
electric field of pn junction can separate the generated electron-hole pairs before
they recombine, creating the potential difference at the component electrodes. The
PIN diodes used in this paper were made in planar technology, with three different
active area surfaces: 0.8, 5 and 80 mm2
, at the Center of Microelectronic Technologies, Institute of Chemistry, Technology and Metallurgy, University of Belgrade,
Serbia. The experiment was conducted in controlled laboratory conditions at the
Department of Radiation and Environmental Protection at the Vinča Institute of
Nuclear Sciences, Belgrade, Serbia. The range of gamma radiation dose rates for
which the PIN diodes have been tested is from 1 µGy/h to 10 Gy/h under controlled
conditions at room temperature. It is necessary for the diode to operate in a photovoltaic mode to act as a current source in an electrical circuit. Therefore, during irradiation, the characteristics of diodes: short-circuit current and open-circuit voltage
were measured as the most important parameters of the current source. The lowest
detected dose rate value of the PIN diode with the largest active area (80 mm2
) was
5 mGy/h, while diodes with middle (5 mm2
) and the smallest active area (0.8 mm2
)
were 100 mGy/h. The short-circuit current values of PIN diodes for all active area dimensions have a linear dependence with a given dose rate range. By calculating the
short-circuit current density, we obtain that diodes with different active areas have
almost the same dependence on the dose rate. This result indicates that the current
generated under the ionizing radiation directly depends on the size of the active
region of the PIN diode. On the other hand, open-circuit voltage values do not have
a linear dependence on the dose rate, even the diode with the smallest active area
(0.8 mm2
) has higher values than the diode with the middle active area (5 mm2
).
For the highest dose rate (10 Gy/h), the short-circuit current value of the PIN diode
with the largest active area is 37 nA, and the open-circuit voltage is 118 mV, which
can enable power supply of the low power electric circuits by connecting diodes in
series and parallel. The research should continue in order to develop a self-powered
circuit that will monitor radioactive sources and their environment.
C3  - BPU11 : 11th International Conference of the Balkan Physical Union
T1  - Direct Conversion Of Ionizing Radiation Into Electrical Energy Using PIN Diodes
VL  - 427
SP  - 213
EP  - 214
UR  - https://hdl.handle.net/21.15107/rcub_vinar_12121
ER  - 

@conference{
author = "Carvajal, Miguel and Sarajlić, Milija and Stanković, Srboljub and Vasiljević-Radović, Dana and Ristić, Goran",
year = "2022",
abstract = "The energy that comes from the source of ionizing radiation is enormous and quite
unused. Using energy from ionizing radiation is a novel concept, while so far in the
literature (to the best of our knowledge), only beta radiation has been treated as a
possible source of energy (Quenon 2021). This paper focuses on utilizing gamma
radiation energy using the Cobalt-60 radiation source. Direct conversion of radiation into electrical energy is possible using pn or pin junction-based semiconductor
structures. When high-energy photons hit a semiconductor structure, a built-in
electric field of pn junction can separate the generated electron-hole pairs before
they recombine, creating the potential difference at the component electrodes. The
PIN diodes used in this paper were made in planar technology, with three different
active area surfaces: 0.8, 5 and 80 mm2
, at the Center of Microelectronic Technologies, Institute of Chemistry, Technology and Metallurgy, University of Belgrade,
Serbia. The experiment was conducted in controlled laboratory conditions at the
Department of Radiation and Environmental Protection at the Vinča Institute of
Nuclear Sciences, Belgrade, Serbia. The range of gamma radiation dose rates for
which the PIN diodes have been tested is from 1 µGy/h to 10 Gy/h under controlled
conditions at room temperature. It is necessary for the diode to operate in a photovoltaic mode to act as a current source in an electrical circuit. Therefore, during irradiation, the characteristics of diodes: short-circuit current and open-circuit voltage
were measured as the most important parameters of the current source. The lowest
detected dose rate value of the PIN diode with the largest active area (80 mm2
) was
5 mGy/h, while diodes with middle (5 mm2
) and the smallest active area (0.8 mm2
)
were 100 mGy/h. The short-circuit current values of PIN diodes for all active area dimensions have a linear dependence with a given dose rate range. By calculating the
short-circuit current density, we obtain that diodes with different active areas have
almost the same dependence on the dose rate. This result indicates that the current
generated under the ionizing radiation directly depends on the size of the active
region of the PIN diode. On the other hand, open-circuit voltage values do not have
a linear dependence on the dose rate, even the diode with the smallest active area
(0.8 mm2
) has higher values than the diode with the middle active area (5 mm2
).
For the highest dose rate (10 Gy/h), the short-circuit current value of the PIN diode
with the largest active area is 37 nA, and the open-circuit voltage is 118 mV, which
can enable power supply of the low power electric circuits by connecting diodes in
series and parallel. The research should continue in order to develop a self-powered
circuit that will monitor radioactive sources and their environment.",
journal = "BPU11 : 11th International Conference of the Balkan Physical Union",
title = "Direct Conversion Of Ionizing Radiation Into Electrical Energy Using PIN Diodes",
volume = "427",
pages = "213-214",
url = "https://hdl.handle.net/21.15107/rcub_vinar_12121"
}

Carvajal, M., Sarajlić, M., Stanković, S., Vasiljević-Radović, D.,& Ristić, G.. (2022). Direct Conversion Of Ionizing Radiation Into Electrical Energy Using PIN Diodes. in BPU11 : 11th International Conference of the Balkan Physical Union, 427, 213-214.
https://hdl.handle.net/21.15107/rcub_vinar_12121

Carvajal M, Sarajlić M, Stanković S, Vasiljević-Radović D, Ristić G. Direct Conversion Of Ionizing Radiation Into Electrical Energy Using PIN Diodes. in BPU11 : 11th International Conference of the Balkan Physical Union. 2022;427:213-214.
https://hdl.handle.net/21.15107/rcub_vinar_12121 .

Carvajal, Miguel, Sarajlić, Milija, Stanković, Srboljub, Vasiljević-Radović, Dana, Ristić, Goran, "Direct Conversion Of Ionizing Radiation Into Electrical Energy Using PIN Diodes" in BPU11 : 11th International Conference of the Balkan Physical Union, 427 (2022):213-214,
https://hdl.handle.net/21.15107/rcub_vinar_12121 .

TY  - CONF
AU  - Stajčić, Aleksandar
AU  - Radović, Ivana
AU  - Dodevski, Vladimir
AU  - Stajić-Trošić, Jasna
AU  - Vorkapić, Miloš
AU  - Vasiljević-Radović, Dana
PY  - 2019
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/10862
AB  - The focus of this study is on the preparation and characterization of magnetic nanocomposite membranes for gas separation. Magnetic nanoparticles of strontium ferrite (SrFe12O19) were incorporated into ethylcellulose via solvent casting method, in order to promote oxygen diffusion against nitrogen. The influence of the nanoparticle content on the mechanical and separation properties of the nanocompositewas investigatedusing micro Vickers method and tensile test. In order to identify the structures formed by membrane processing, various analyzes were performed, such as scanning electron microscopy (FESEM), atomic force microscopy (AFM), and infrared spectroscopy with Fourier transformation (FTIR). The permeability of magnetic nanocomposite membranes was tested by monitoring the output pressure change of the nitrogen and oxygen mixtures, as well as pure nitrogen. It has been established that all of the starting components have remained intact during processing, indicating that an appropriate processing method was chosen. Nanocomposite membranes with a higher content of magnetic nanoparticles have shown a significant improvement in mechanical properties compared to pure ethylcellulose, with high permeability. These findings have shown that nanocomposite membranes based on ethylcellulose are an excellent candidate for gas separation.
PB  - Belgrade : Serbian Ceramic Society
C3  - Advanced Ceramics and Application : 8th Serbian Ceramic Society Conference : program and the book of abstracts; September 23-25, 2019; Belgrade
T1  - Ethyl cellulose based magnetic nanocomposite membranes
SP  - 35
UR  - https://hdl.handle.net/21.15107/rcub_vinar_10862
ER  - 

@conference{
author = "Stajčić, Aleksandar and Radović, Ivana and Dodevski, Vladimir and Stajić-Trošić, Jasna and Vorkapić, Miloš and Vasiljević-Radović, Dana",
year = "2019",
abstract = "The focus of this study is on the preparation and characterization of magnetic nanocomposite membranes for gas separation. Magnetic nanoparticles of strontium ferrite (SrFe12O19) were incorporated into ethylcellulose via solvent casting method, in order to promote oxygen diffusion against nitrogen. The influence of the nanoparticle content on the mechanical and separation properties of the nanocompositewas investigatedusing micro Vickers method and tensile test. In order to identify the structures formed by membrane processing, various analyzes were performed, such as scanning electron microscopy (FESEM), atomic force microscopy (AFM), and infrared spectroscopy with Fourier transformation (FTIR). The permeability of magnetic nanocomposite membranes was tested by monitoring the output pressure change of the nitrogen and oxygen mixtures, as well as pure nitrogen. It has been established that all of the starting components have remained intact during processing, indicating that an appropriate processing method was chosen. Nanocomposite membranes with a higher content of magnetic nanoparticles have shown a significant improvement in mechanical properties compared to pure ethylcellulose, with high permeability. These findings have shown that nanocomposite membranes based on ethylcellulose are an excellent candidate for gas separation.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "Advanced Ceramics and Application : 8th Serbian Ceramic Society Conference : program and the book of abstracts; September 23-25, 2019; Belgrade",
title = "Ethyl cellulose based magnetic nanocomposite membranes",
pages = "35",
url = "https://hdl.handle.net/21.15107/rcub_vinar_10862"
}

Stajčić, A., Radović, I., Dodevski, V., Stajić-Trošić, J., Vorkapić, M.,& Vasiljević-Radović, D.. (2019). Ethyl cellulose based magnetic nanocomposite membranes. in Advanced Ceramics and Application : 8th Serbian Ceramic Society Conference : program and the book of abstracts; September 23-25, 2019; Belgrade
Belgrade : Serbian Ceramic Society., 35.
https://hdl.handle.net/21.15107/rcub_vinar_10862

Stajčić A, Radović I, Dodevski V, Stajić-Trošić J, Vorkapić M, Vasiljević-Radović D. Ethyl cellulose based magnetic nanocomposite membranes. in Advanced Ceramics and Application : 8th Serbian Ceramic Society Conference : program and the book of abstracts; September 23-25, 2019; Belgrade. 2019;:35.
https://hdl.handle.net/21.15107/rcub_vinar_10862 .

Stajčić, Aleksandar, Radović, Ivana, Dodevski, Vladimir, Stajić-Trošić, Jasna, Vorkapić, Miloš, Vasiljević-Radović, Dana, "Ethyl cellulose based magnetic nanocomposite membranes" in Advanced Ceramics and Application : 8th Serbian Ceramic Society Conference : program and the book of abstracts; September 23-25, 2019; Belgrade (2019):35,
https://hdl.handle.net/21.15107/rcub_vinar_10862 .

TY  - CONF
AU  - Ignjatović, Nenad L.
AU  - Penov Gaši, Katarina
AU  - Wu, Victoria
AU  - Ajduković, Jovana
AU  - Kojić, Vesna V.
AU  - Vasiljević-Radović, Dana
AU  - Uskoković, Vuk
AU  - Uskoković, Dragan
PY  - 2016
UR  - http://dais.sanu.ac.rs/123456789/896
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7553
AB  - The applicative potential of synthetic calcium phosphates, especially hydroxyapatite (HAp), has become intensely broadened in the past 10 years, from bone tissue engineering to multiple other fields of biomedicine. Previously we have shown that hydroxyapatite nanoparticles coated with chitosan-poly(D,L)-lactide-co-glycolide (HAp/Ch-PLGA) target lungs following their intravenous administration into mice. For this purpose radioactive 125-Iodine (125I), a low energy gamma emitter, was used to develop a novel in situ method for radiolabeling of particles and investigation of their biodistribution. In this study we utilize an emulsification process and freeze drying to load the composite particles based on hydroxyapatite nanocarrier, chitosane and poly(lactic-co-glycolic acid) with 17β- hydroxy-17α-picolyl-androst-5-en-3β-acetate (A), a chemotherapeutic derivative of androstane. The picolyl androstane derivatives showed high potency in the cell inhibitors of hormonedependent cancers (adenocarcinoma, prostate cancer, cervix carcinoma, colon cancer, etc.). 1H NMR, 13C NMR and high-resolution time-of-flight mass spectrometry (MS) techniques confirmed the intact structure of the derivative A following its entrapment within HAp/Ch-PLGA particles. The synthesized particles of A-loaded HAp/Ch-PLGA were found to be spherical in shape with a uniform size distribution of d50=168 nm. The release of A from HAp/Ch-PLGA was sustained, with no burst release or plateauing after three weeks. The obtained results of the DET and MTT tests show that the particles of A-loaded HAp/Ch-PLGA exhibit almost three times higher cytotoxicity towards lung adenocarcinoma cells (A549) than towards healthy cells (MRC5), while at the same time allowing twice as fast recovery of healthy cells. We have also analyzed the period of recovery of healthy, as well as cancer cells, following the treatment with A-loaded HAp/Ch-PLGA. After treatment with A-loaded HAp/Ch-PLGA, healthy cells recover twice as fast as the malignant ones. Immunofluorescent staining of primary fibroblasts interacting with HAp/Ch-PLGA and A-HAp/Ch-PLGA particles demonstrates no negative morphological or proliferative effects on cells.
PB  - Belgrade : Materials Research Society of Serbia
C3  - YUCOMAT 2016 : 18th Annual Conference YUCOMAT 2016 : programme and the book of abstracts; September 5-10, Herceg Novi
T1  - Tumor-selective hybrid system based on hydroxyapatite nanocarrier, chitosan, poly(lactic-co-glycolic acid) and androstan derivate
SP  - 27
EP  - 27
UR  - https://hdl.handle.net/21.15107/rcub_vinar_7553
ER  - 

@conference{
author = "Ignjatović, Nenad L. and Penov Gaši, Katarina and Wu, Victoria and Ajduković, Jovana and Kojić, Vesna V. and Vasiljević-Radović, Dana and Uskoković, Vuk and Uskoković, Dragan",
year = "2016",
abstract = "The applicative potential of synthetic calcium phosphates, especially hydroxyapatite (HAp), has become intensely broadened in the past 10 years, from bone tissue engineering to multiple other fields of biomedicine. Previously we have shown that hydroxyapatite nanoparticles coated with chitosan-poly(D,L)-lactide-co-glycolide (HAp/Ch-PLGA) target lungs following their intravenous administration into mice. For this purpose radioactive 125-Iodine (125I), a low energy gamma emitter, was used to develop a novel in situ method for radiolabeling of particles and investigation of their biodistribution. In this study we utilize an emulsification process and freeze drying to load the composite particles based on hydroxyapatite nanocarrier, chitosane and poly(lactic-co-glycolic acid) with 17β- hydroxy-17α-picolyl-androst-5-en-3β-acetate (A), a chemotherapeutic derivative of androstane. The picolyl androstane derivatives showed high potency in the cell inhibitors of hormonedependent cancers (adenocarcinoma, prostate cancer, cervix carcinoma, colon cancer, etc.). 1H NMR, 13C NMR and high-resolution time-of-flight mass spectrometry (MS) techniques confirmed the intact structure of the derivative A following its entrapment within HAp/Ch-PLGA particles. The synthesized particles of A-loaded HAp/Ch-PLGA were found to be spherical in shape with a uniform size distribution of d50=168 nm. The release of A from HAp/Ch-PLGA was sustained, with no burst release or plateauing after three weeks. The obtained results of the DET and MTT tests show that the particles of A-loaded HAp/Ch-PLGA exhibit almost three times higher cytotoxicity towards lung adenocarcinoma cells (A549) than towards healthy cells (MRC5), while at the same time allowing twice as fast recovery of healthy cells. We have also analyzed the period of recovery of healthy, as well as cancer cells, following the treatment with A-loaded HAp/Ch-PLGA. After treatment with A-loaded HAp/Ch-PLGA, healthy cells recover twice as fast as the malignant ones. Immunofluorescent staining of primary fibroblasts interacting with HAp/Ch-PLGA and A-HAp/Ch-PLGA particles demonstrates no negative morphological or proliferative effects on cells.",
publisher = "Belgrade : Materials Research Society of Serbia",
journal = "YUCOMAT 2016 : 18th Annual Conference YUCOMAT 2016 : programme and the book of abstracts; September 5-10, Herceg Novi",
title = "Tumor-selective hybrid system based on hydroxyapatite nanocarrier, chitosan, poly(lactic-co-glycolic acid) and androstan derivate",
pages = "27-27",
url = "https://hdl.handle.net/21.15107/rcub_vinar_7553"
}

Ignjatović, N. L., Penov Gaši, K., Wu, V., Ajduković, J., Kojić, V. V., Vasiljević-Radović, D., Uskoković, V.,& Uskoković, D.. (2016). Tumor-selective hybrid system based on hydroxyapatite nanocarrier, chitosan, poly(lactic-co-glycolic acid) and androstan derivate. in YUCOMAT 2016 : 18th Annual Conference YUCOMAT 2016 : programme and the book of abstracts; September 5-10, Herceg Novi
Belgrade : Materials Research Society of Serbia., 27-27.
https://hdl.handle.net/21.15107/rcub_vinar_7553

Ignjatović NL, Penov Gaši K, Wu V, Ajduković J, Kojić VV, Vasiljević-Radović D, Uskoković V, Uskoković D. Tumor-selective hybrid system based on hydroxyapatite nanocarrier, chitosan, poly(lactic-co-glycolic acid) and androstan derivate. in YUCOMAT 2016 : 18th Annual Conference YUCOMAT 2016 : programme and the book of abstracts; September 5-10, Herceg Novi. 2016;:27-27.
https://hdl.handle.net/21.15107/rcub_vinar_7553 .

Ignjatović, Nenad L., Penov Gaši, Katarina, Wu, Victoria, Ajduković, Jovana, Kojić, Vesna V., Vasiljević-Radović, Dana, Uskoković, Vuk, Uskoković, Dragan, "Tumor-selective hybrid system based on hydroxyapatite nanocarrier, chitosan, poly(lactic-co-glycolic acid) and androstan derivate" in YUCOMAT 2016 : 18th Annual Conference YUCOMAT 2016 : programme and the book of abstracts; September 5-10, Herceg Novi (2016):27-27,
https://hdl.handle.net/21.15107/rcub_vinar_7553 .

TY  - JOUR
AU  - Ignjatović, Nenad L.
AU  - Penov-Gaši, Katarina
AU  - Wu, Victoria
AU  - Ajduković, Jovana
AU  - Kojić, Vesna V.
AU  - Vasiljević-Radović, Dana
AU  - Kuzmanović, Maja D.
AU  - Uskoković, Vuk
AU  - Uskoković, Dragan
PY  - 2016
UR  - http://dais.sanu.ac.rs/123456789/15974
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7569
AB  - In an earlier study we demonstrated that hydroxyapatite nanoparticles coated with chitosan-poly(d,l)-lactide-co-glycolide (HAp/Ch-PLGA) target lungs following their intravenous injection into mice. In this study we utilize an emulsification process and freeze drying to load the composite HAp/Ch-PLGA particles with 17β-hydroxy-17α-picolyl-androst-5-en-3β-yl-acetate (A), a chemotherapeutic derivative of androstane and a novel compound with a selective anticancer activity against lung cancer cells. 1H NMR and 13C NMR techniques confirmed the intact structure of the derivative A following its entrapment within HAp/Ch-PLGA particles. The thermogravimetric and differential thermal analyses coupled with mass spectrometry were used to assess the thermal degradation products and properties of A-loaded HAp/Ch-PLGA. The loading efficiency, as indicated by the comparison of enthalpies of phase transitions in pure A and A-loaded HAp/Ch-PLGA, equaled 7.47wt.%. The release of A from HAp/Ch-PLGA was sustained, neither exhibiting a burst release nor plateauing after three weeks. Atomic force microscopy and particle size distribution analyses were used to confirm that the particles were spherical with a uniform size distribution of d50=168nm. In vitro cytotoxicity testing of A-loaded HAp/Ch-PLGA using MTT and trypan blue dye exclusion assays demonstrated that the particles were cytotoxic to the A549 human lung carcinoma cell line (46±2%), while simultaneously preserving high viability (83±3%) of regular MRC5 human lung fibroblasts and causing no harm to primary mouse lung fibroblasts. In conclusion, composite A-loaded HAp/Ch-PLGA particles could be seen as promising drug delivery platforms for selective cancer therapies, targeting malignant cells for destruction, while having a significantly lesser cytotoxic effect on the healthy cells.
PB  - Elsevier
T2  - Colloids and Surfaces. B: Biointerfaces
T1  - Selective anticancer activity of hydroxyapatite/chitosan-poly(d,l)-lactide-co-glycolide particles loaded with an androstane-based cancer inhibitor
VL  - 148
SP  - 629
EP  - 639
DO  - 10.1016/j.colsurfb.2016.09.041
ER  - 

@article{
author = "Ignjatović, Nenad L. and Penov-Gaši, Katarina and Wu, Victoria and Ajduković, Jovana and Kojić, Vesna V. and Vasiljević-Radović, Dana and Kuzmanović, Maja D. and Uskoković, Vuk and Uskoković, Dragan",
year = "2016",
abstract = "In an earlier study we demonstrated that hydroxyapatite nanoparticles coated with chitosan-poly(d,l)-lactide-co-glycolide (HAp/Ch-PLGA) target lungs following their intravenous injection into mice. In this study we utilize an emulsification process and freeze drying to load the composite HAp/Ch-PLGA particles with 17β-hydroxy-17α-picolyl-androst-5-en-3β-yl-acetate (A), a chemotherapeutic derivative of androstane and a novel compound with a selective anticancer activity against lung cancer cells. 1H NMR and 13C NMR techniques confirmed the intact structure of the derivative A following its entrapment within HAp/Ch-PLGA particles. The thermogravimetric and differential thermal analyses coupled with mass spectrometry were used to assess the thermal degradation products and properties of A-loaded HAp/Ch-PLGA. The loading efficiency, as indicated by the comparison of enthalpies of phase transitions in pure A and A-loaded HAp/Ch-PLGA, equaled 7.47wt.%. The release of A from HAp/Ch-PLGA was sustained, neither exhibiting a burst release nor plateauing after three weeks. Atomic force microscopy and particle size distribution analyses were used to confirm that the particles were spherical with a uniform size distribution of d50=168nm. In vitro cytotoxicity testing of A-loaded HAp/Ch-PLGA using MTT and trypan blue dye exclusion assays demonstrated that the particles were cytotoxic to the A549 human lung carcinoma cell line (46±2%), while simultaneously preserving high viability (83±3%) of regular MRC5 human lung fibroblasts and causing no harm to primary mouse lung fibroblasts. In conclusion, composite A-loaded HAp/Ch-PLGA particles could be seen as promising drug delivery platforms for selective cancer therapies, targeting malignant cells for destruction, while having a significantly lesser cytotoxic effect on the healthy cells.",
publisher = "Elsevier",
journal = "Colloids and Surfaces. B: Biointerfaces",
title = "Selective anticancer activity of hydroxyapatite/chitosan-poly(d,l)-lactide-co-glycolide particles loaded with an androstane-based cancer inhibitor",
volume = "148",
pages = "629-639",
doi = "10.1016/j.colsurfb.2016.09.041"
}

Ignjatović, N. L., Penov-Gaši, K., Wu, V., Ajduković, J., Kojić, V. V., Vasiljević-Radović, D., Kuzmanović, M. D., Uskoković, V.,& Uskoković, D.. (2016). Selective anticancer activity of hydroxyapatite/chitosan-poly(d,l)-lactide-co-glycolide particles loaded with an androstane-based cancer inhibitor. in Colloids and Surfaces. B: Biointerfaces
Elsevier., 148, 629-639.
https://doi.org/10.1016/j.colsurfb.2016.09.041

Ignjatović NL, Penov-Gaši K, Wu V, Ajduković J, Kojić VV, Vasiljević-Radović D, Kuzmanović MD, Uskoković V, Uskoković D. Selective anticancer activity of hydroxyapatite/chitosan-poly(d,l)-lactide-co-glycolide particles loaded with an androstane-based cancer inhibitor. in Colloids and Surfaces. B: Biointerfaces. 2016;148:629-639.
doi:10.1016/j.colsurfb.2016.09.041 .

Ignjatović, Nenad L., Penov-Gaši, Katarina, Wu, Victoria, Ajduković, Jovana, Kojić, Vesna V., Vasiljević-Radović, Dana, Kuzmanović, Maja D., Uskoković, Vuk, Uskoković, Dragan, "Selective anticancer activity of hydroxyapatite/chitosan-poly(d,l)-lactide-co-glycolide particles loaded with an androstane-based cancer inhibitor" in Colloids and Surfaces. B: Biointerfaces, 148 (2016):629-639,
https://doi.org/10.1016/j.colsurfb.2016.09.041 . .

TY  - JOUR
AU  - Tomković, Tanja
AU  - Radovanović, Filip
AU  - Grgur, Branimir
AU  - Nastasović, Aleksandra B.
AU  - Vasiljević-Radović, Dana
AU  - Onjia, Antonije E.
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1080
AB  - A novel method combining a traditional immersion precipitation process for making membranes with photopolymerization and crosslinking of functional monomers included in the casting solution was used to prepare asymmetric polyethersulfone membranes with submicron particles incorporating glycidyl methacrylate copolymer. In order to introduce sulfonic groups, the epoxide rings of glycidyl methacrylate were opened using two methods. The first method was functionalization with sodium sulfite, and the second was functionalization with sulfuric acid and then grafting with 2-acrylamido-2-methylpropanesulfonic acid. The obtained membranes were characterized using infrared spectroscopy, conductometric titration and water permeability measurements. Scanning electron microscopy and atomic force microscopy were used to investigate the surface morphology and topology of the membranes. Dynamic adsorption of rhodamine B as a model dye was used to demonstrate the suitability of these novel membranes for membrane adsorption since the adsorption capacity for dye cations was much better for the membranes functionalized with sodium sulfite and the membranes grafted with 2-acrylamido-2-methylpropanesulfonic acid compared to the non-functionalized membranes.
T2  - Journal of the Serbian Chemical Society
T1  - Novel negatively charged membrane adsorbers made using a combination of photopolymerization and immersion precipitation
VL  - 81
IS  - 4
SP  - 419
EP  - 431
DO  - 10.2298/JSC150805083T
ER  - 

@article{
author = "Tomković, Tanja and Radovanović, Filip and Grgur, Branimir and Nastasović, Aleksandra B. and Vasiljević-Radović, Dana and Onjia, Antonije E.",
year = "2016",
abstract = "A novel method combining a traditional immersion precipitation process for making membranes with photopolymerization and crosslinking of functional monomers included in the casting solution was used to prepare asymmetric polyethersulfone membranes with submicron particles incorporating glycidyl methacrylate copolymer. In order to introduce sulfonic groups, the epoxide rings of glycidyl methacrylate were opened using two methods. The first method was functionalization with sodium sulfite, and the second was functionalization with sulfuric acid and then grafting with 2-acrylamido-2-methylpropanesulfonic acid. The obtained membranes were characterized using infrared spectroscopy, conductometric titration and water permeability measurements. Scanning electron microscopy and atomic force microscopy were used to investigate the surface morphology and topology of the membranes. Dynamic adsorption of rhodamine B as a model dye was used to demonstrate the suitability of these novel membranes for membrane adsorption since the adsorption capacity for dye cations was much better for the membranes functionalized with sodium sulfite and the membranes grafted with 2-acrylamido-2-methylpropanesulfonic acid compared to the non-functionalized membranes.",
journal = "Journal of the Serbian Chemical Society",
title = "Novel negatively charged membrane adsorbers made using a combination of photopolymerization and immersion precipitation",
volume = "81",
number = "4",
pages = "419-431",
doi = "10.2298/JSC150805083T"
}

Tomković, T., Radovanović, F., Grgur, B., Nastasović, A. B., Vasiljević-Radović, D.,& Onjia, A. E.. (2016). Novel negatively charged membrane adsorbers made using a combination of photopolymerization and immersion precipitation. in Journal of the Serbian Chemical Society, 81(4), 419-431.
https://doi.org/10.2298/JSC150805083T

Tomković T, Radovanović F, Grgur B, Nastasović AB, Vasiljević-Radović D, Onjia AE. Novel negatively charged membrane adsorbers made using a combination of photopolymerization and immersion precipitation. in Journal of the Serbian Chemical Society. 2016;81(4):419-431.
doi:10.2298/JSC150805083T .

Tomković, Tanja, Radovanović, Filip, Grgur, Branimir, Nastasović, Aleksandra B., Vasiljević-Radović, Dana, Onjia, Antonije E., "Novel negatively charged membrane adsorbers made using a combination of photopolymerization and immersion precipitation" in Journal of the Serbian Chemical Society, 81, no. 4 (2016):419-431,
https://doi.org/10.2298/JSC150805083T . .

TY  - CONF
AU  - Vasiljević, Zorka
AU  - Vasiljević-Radović, Dana
AU  - Nikolić, Maria Vesna
AU  - Labus, Nebojša
PY  - 2015
UR  - http://dais.sanu.ac.rs/123456789/15426
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7567
AB  - Metastabile nanopowder ZnTiO3 pressed into cylindrical compacts at 200 MPa was submitted to conventional heating with isothermal holding at 931oC for 10 minutes, 25 minutes and 40 minutes. Same compacts were heated with two-step sintering schedule with maximal 912oC and isothermal holding at 896oC, for approximately the same holding times as with isothermal. Shrinkage during heating was monitored with dilatometric device, while microstructure was determined with atomic force microscopy. XRD patterns were collected for the most prominent samples. Sintered specimens microstructure showed differences introduced during last sintering stage by two heating schedules.
PB  - Belgrade : Institute for Multidisciplinary Research, University of Belgrade
C3  - Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia
T1  - Two step sintering of the ZnTiO3 nanopowder
SP  - 101
EP  - 101
UR  - https://hdl.handle.net/21.15107/rcub_vinar_7567
ER  - 

@conference{
editor = "Matović, Branko, Branković, Zorica, Bučevac, Dušan, Srdić, Vladimir",
author = "Vasiljević, Zorka and Vasiljević-Radović, Dana and Nikolić, Maria Vesna and Labus, Nebojša",
year = "2015",
abstract = "Metastabile nanopowder ZnTiO3 pressed into cylindrical compacts at 200 MPa was submitted to conventional heating with isothermal holding at 931oC for 10 minutes, 25 minutes and 40 minutes. Same compacts were heated with two-step sintering schedule with maximal 912oC and isothermal holding at 896oC, for approximately the same holding times as with isothermal. Shrinkage during heating was monitored with dilatometric device, while microstructure was determined with atomic force microscopy. XRD patterns were collected for the most prominent samples. Sintered specimens microstructure showed differences introduced during last sintering stage by two heating schedules.",
publisher = "Belgrade : Institute for Multidisciplinary Research, University of Belgrade",
journal = "Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia",
title = "Two step sintering of the ZnTiO3 nanopowder",
pages = "101-101",
url = "https://hdl.handle.net/21.15107/rcub_vinar_7567"
}

Matović, B., Branković, Z., Bučevac, D., Srdić, V., Vasiljević, Z., Vasiljević-Radović, D., Nikolić, M. V.,& Labus, N.. (2015). Two step sintering of the ZnTiO3 nanopowder. in Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia
Belgrade : Institute for Multidisciplinary Research, University of Belgrade., 101-101.
https://hdl.handle.net/21.15107/rcub_vinar_7567

Matović B, Branković Z, Bučevac D, Srdić V, Vasiljević Z, Vasiljević-Radović D, Nikolić MV, Labus N. Two step sintering of the ZnTiO3 nanopowder. in Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia. 2015;:101-101.
https://hdl.handle.net/21.15107/rcub_vinar_7567 .

Matović, Branko, Branković, Zorica, Bučevac, Dušan, Srdić, Vladimir, Vasiljević, Zorka, Vasiljević-Radović, Dana, Nikolić, Maria Vesna, Labus, Nebojša, "Two step sintering of the ZnTiO3 nanopowder" in Programme and the Book of Abstracts / 3rd Conference of the Serbian Society for Ceramic Materials, 3CSCS-2015, June 15-17, 2015, Belgrade, Serbia (2015):101-101,
https://hdl.handle.net/21.15107/rcub_vinar_7567 .

TY  - JOUR
AU  - Tomković, Tanja
AU  - Radovanović, Filip
AU  - Nastasović, Aleksandra B.
AU  - Vasiljević-Radović, Dana
AU  - Marković, Jelena P.
AU  - Grgur, Branimir
AU  - Onjia, Antonije E.
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/383
AB  - Asymmetric polyethersulfone membranes with submicron particles comprising crosslinked poly(glycidyl methacrylate-co-2-acrylamido-2-methylpropane sulfonic acid) were prepared by a combination of a traditional liquid phase inversion process for making membranes with photopolymerization and crosslinking of functional monomers included in the casting solution. Scanning electron microscope images of the membrane cross-section revealed a hybrid structure with an interconnected network of submicron particles embedded within the porous polyethersulfone support. Permeation of toluidine blue solutions through non-functionalized membranes showed a dramatic effect of 2-acrylamido-2-methylpropane sulfonic acid concentration in the casting solution on the dynamic adsorption performance. The epoxide groups present in glycidyl methacrylate copolymer were transformed into amine functionalities by ring opening under alkaline conditions. Permeation of dilute Cu2+ solutions through functionalized membranes demonstrated that the plate height for some of these membranes was an order of magnitude smaller than for commercial particle-filled membranes used in solid phase extraction. (C) 2014 Elsevier Ltd. All rights reserved.
T2  - European Polymer Journal
T1  - Solid phase extraction membranes with submicron multifunctional adsorbent particles
VL  - 63
SP  - 90
EP  - 100
DO  - 10.1016/j.eurpolymj.2014.12.015
ER  - 

@article{
author = "Tomković, Tanja and Radovanović, Filip and Nastasović, Aleksandra B. and Vasiljević-Radović, Dana and Marković, Jelena P. and Grgur, Branimir and Onjia, Antonije E.",
year = "2015",
abstract = "Asymmetric polyethersulfone membranes with submicron particles comprising crosslinked poly(glycidyl methacrylate-co-2-acrylamido-2-methylpropane sulfonic acid) were prepared by a combination of a traditional liquid phase inversion process for making membranes with photopolymerization and crosslinking of functional monomers included in the casting solution. Scanning electron microscope images of the membrane cross-section revealed a hybrid structure with an interconnected network of submicron particles embedded within the porous polyethersulfone support. Permeation of toluidine blue solutions through non-functionalized membranes showed a dramatic effect of 2-acrylamido-2-methylpropane sulfonic acid concentration in the casting solution on the dynamic adsorption performance. The epoxide groups present in glycidyl methacrylate copolymer were transformed into amine functionalities by ring opening under alkaline conditions. Permeation of dilute Cu2+ solutions through functionalized membranes demonstrated that the plate height for some of these membranes was an order of magnitude smaller than for commercial particle-filled membranes used in solid phase extraction. (C) 2014 Elsevier Ltd. All rights reserved.",
journal = "European Polymer Journal",
title = "Solid phase extraction membranes with submicron multifunctional adsorbent particles",
volume = "63",
pages = "90-100",
doi = "10.1016/j.eurpolymj.2014.12.015"
}

Tomković, T., Radovanović, F., Nastasović, A. B., Vasiljević-Radović, D., Marković, J. P., Grgur, B.,& Onjia, A. E.. (2015). Solid phase extraction membranes with submicron multifunctional adsorbent particles. in European Polymer Journal, 63, 90-100.
https://doi.org/10.1016/j.eurpolymj.2014.12.015

Tomković T, Radovanović F, Nastasović AB, Vasiljević-Radović D, Marković JP, Grgur B, Onjia AE. Solid phase extraction membranes with submicron multifunctional adsorbent particles. in European Polymer Journal. 2015;63:90-100.
doi:10.1016/j.eurpolymj.2014.12.015 .

Tomković, Tanja, Radovanović, Filip, Nastasović, Aleksandra B., Vasiljević-Radović, Dana, Marković, Jelena P., Grgur, Branimir, Onjia, Antonije E., "Solid phase extraction membranes with submicron multifunctional adsorbent particles" in European Polymer Journal, 63 (2015):90-100,
https://doi.org/10.1016/j.eurpolymj.2014.12.015 . .

TY  - JOUR
AU  - Antić, Katarina M.
AU  - Babić, Marija M.
AU  - Vuković Jovasević, Jovana
AU  - Vasiljević-Radović, Dana
AU  - Onjia, Antonije E.
AU  - Filipović, Jovanka M.
AU  - Tomić, Simonida Lj.
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/467
AB  - Series of novel hydrogels based on 2-hydroxyethyl acrylate (HEA) and itaconic acid (IA), P(HEA/IA) copolymers, were prepared by free radical cross-linking copolymerization and investigated as potential adsorbents for Cd2+ removal from aqueous solution. The hydrogels before and after Cd2+ adsorption were characterized using FTIR, temperature sensitive. In order to evaluate adsorption behavior of samples various factors affecting the Cd2+ uptake behavior, such as: contact time, temperature, pH, ionic strength, adsorbent weight, competitive ions and initial concentration of the metal ions were investigated. Five adsorption isotherms and two kinetic models were studied. The adsorption behavior can be very well described by the pseudo-second order kinetic model and Langmuir isotherm. Multicomponent adsorption studies revealed that adsorption of cadmium depends on the type of metal ions present in the system. Desorption studies showed that hydrogel can be reused three times with only 15% loss of adsorption capacity. All results indicate that the sample with the highest IA content is the most promising adsorbent for Cd2+ removal. (C) 2015 Elsevier B.V. All rights reserved.
T2  - Applied Surface Science
T1  - Preparation and characterization of novel P(HEA/IA) hydrogels for Cd2+ ion removal from aqueous solution
VL  - 338
SP  - 178
EP  - 189
DO  - 10.1016/j.apsusc.2015.02.133
ER  - 

@article{
author = "Antić, Katarina M. and Babić, Marija M. and Vuković Jovasević, Jovana and Vasiljević-Radović, Dana and Onjia, Antonije E. and Filipović, Jovanka M. and Tomić, Simonida Lj.",
year = "2015",
abstract = "Series of novel hydrogels based on 2-hydroxyethyl acrylate (HEA) and itaconic acid (IA), P(HEA/IA) copolymers, were prepared by free radical cross-linking copolymerization and investigated as potential adsorbents for Cd2+ removal from aqueous solution. The hydrogels before and after Cd2+ adsorption were characterized using FTIR, temperature sensitive. In order to evaluate adsorption behavior of samples various factors affecting the Cd2+ uptake behavior, such as: contact time, temperature, pH, ionic strength, adsorbent weight, competitive ions and initial concentration of the metal ions were investigated. Five adsorption isotherms and two kinetic models were studied. The adsorption behavior can be very well described by the pseudo-second order kinetic model and Langmuir isotherm. Multicomponent adsorption studies revealed that adsorption of cadmium depends on the type of metal ions present in the system. Desorption studies showed that hydrogel can be reused three times with only 15% loss of adsorption capacity. All results indicate that the sample with the highest IA content is the most promising adsorbent for Cd2+ removal. (C) 2015 Elsevier B.V. All rights reserved.",
journal = "Applied Surface Science",
title = "Preparation and characterization of novel P(HEA/IA) hydrogels for Cd2+ ion removal from aqueous solution",
volume = "338",
pages = "178-189",
doi = "10.1016/j.apsusc.2015.02.133"
}

Antić, K. M., Babić, M. M., Vuković Jovasević, J., Vasiljević-Radović, D., Onjia, A. E., Filipović, J. M.,& Tomić, S. Lj.. (2015). Preparation and characterization of novel P(HEA/IA) hydrogels for Cd2+ ion removal from aqueous solution. in Applied Surface Science, 338, 178-189.
https://doi.org/10.1016/j.apsusc.2015.02.133

Antić KM, Babić MM, Vuković Jovasević J, Vasiljević-Radović D, Onjia AE, Filipović JM, Tomić SL. Preparation and characterization of novel P(HEA/IA) hydrogels for Cd2+ ion removal from aqueous solution. in Applied Surface Science. 2015;338:178-189.
doi:10.1016/j.apsusc.2015.02.133 .

Antić, Katarina M., Babić, Marija M., Vuković Jovasević, Jovana, Vasiljević-Radović, Dana, Onjia, Antonije E., Filipović, Jovanka M., Tomić, Simonida Lj., "Preparation and characterization of novel P(HEA/IA) hydrogels for Cd2+ ion removal from aqueous solution" in Applied Surface Science, 338 (2015):178-189,
https://doi.org/10.1016/j.apsusc.2015.02.133 . .

TY  - JOUR
AU  - Radovanovic, F.
AU  - Nastasović, Aleksandra B.
AU  - Tomkovic, T.
AU  - Vasiljević-Radović, Dana
AU  - Nešić, Aleksandra
AU  - Veličković, Sava J.
AU  - Onjia, Antonije E.
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5949
AB  - Asymmetric polyethersulfone membranes with submicron particles comprising crosslinked glycidyl methacrylate copolymer were prepared by a combination of a traditional immersion precipitation process for making membranes with photopolymerization and crosslinking of functional monomers included in the casting solution. As the concentration of polymerizable monomers increased the original macrovoid structure was replaced by a hybrid morphology with microglobules typical of macroporous methacrylate adsorbers embedded within microporous structure with no significant effects on water permeability. The epoxide groups present in glycidyl methacrylate copolymer were transformed into amine functionalities by ring opening under alkaline conditions. Permeation of Orange G solution at low transmembrane pressures was used to demonstrate suitability of these novel membranes for membrane adsorption. (C) 2014 Elsevier Ltd. All rights reserved.
T2  - Reactive and Functional Polymers
T1  - Novel membrane adsorbers incorporating functionalized polyglycidyl methacrylate
VL  - 77
SP  - 1
EP  - 10
DO  - 10.1016/j.reactfunctpolym.2014.01.007
ER  - 

@article{
author = "Radovanovic, F. and Nastasović, Aleksandra B. and Tomkovic, T. and Vasiljević-Radović, Dana and Nešić, Aleksandra and Veličković, Sava J. and Onjia, Antonije E.",
year = "2014",
abstract = "Asymmetric polyethersulfone membranes with submicron particles comprising crosslinked glycidyl methacrylate copolymer were prepared by a combination of a traditional immersion precipitation process for making membranes with photopolymerization and crosslinking of functional monomers included in the casting solution. As the concentration of polymerizable monomers increased the original macrovoid structure was replaced by a hybrid morphology with microglobules typical of macroporous methacrylate adsorbers embedded within microporous structure with no significant effects on water permeability. The epoxide groups present in glycidyl methacrylate copolymer were transformed into amine functionalities by ring opening under alkaline conditions. Permeation of Orange G solution at low transmembrane pressures was used to demonstrate suitability of these novel membranes for membrane adsorption. (C) 2014 Elsevier Ltd. All rights reserved.",
journal = "Reactive and Functional Polymers",
title = "Novel membrane adsorbers incorporating functionalized polyglycidyl methacrylate",
volume = "77",
pages = "1-10",
doi = "10.1016/j.reactfunctpolym.2014.01.007"
}

Radovanovic, F., Nastasović, A. B., Tomkovic, T., Vasiljević-Radović, D., Nešić, A., Veličković, S. J.,& Onjia, A. E.. (2014). Novel membrane adsorbers incorporating functionalized polyglycidyl methacrylate. in Reactive and Functional Polymers, 77, 1-10.
https://doi.org/10.1016/j.reactfunctpolym.2014.01.007

Radovanovic F, Nastasović AB, Tomkovic T, Vasiljević-Radović D, Nešić A, Veličković SJ, Onjia AE. Novel membrane adsorbers incorporating functionalized polyglycidyl methacrylate. in Reactive and Functional Polymers. 2014;77:1-10.
doi:10.1016/j.reactfunctpolym.2014.01.007 .

Radovanovic, F., Nastasović, Aleksandra B., Tomkovic, T., Vasiljević-Radović, Dana, Nešić, Aleksandra, Veličković, Sava J., Onjia, Antonije E., "Novel membrane adsorbers incorporating functionalized polyglycidyl methacrylate" in Reactive and Functional Polymers, 77 (2014):1-10,
https://doi.org/10.1016/j.reactfunctpolym.2014.01.007 . .

TY  - JOUR
AU  - Jovanović, Zoran M.
AU  - Kalijadis, Ana
AU  - Vasiljević-Radović, Dana
AU  - Erich, Marko
AU  - Laušević, Mila D.
AU  - Mentus, Slavko V.
AU  - Laušević, Zoran
PY  - 2011
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4455
AB  - Glassy carbon plates were irradiated with 15 key H(+) ion-beam in the fluence range of 1 x 10(16)-3 x 10(18) ion cm(-2). The influence of ion irradiation on surface morphology and topology was examined by scanning electron and atomic force microscopy. Structural changes were monitored by Raman spectrometry, while changes of wettability and the content of surface oxygen complexes were examined by contact angle measurements and temperature programmed desorption. Elastic recoil detection analysis was applied for determination of hydrogen concentration profiles in irradiated samples. Cyclic voltammetry was used for the assessment of the electrochemical properties of modified glassy carbon electrodes. It was concluded that there is critical fluence range (2 x 10(17)-5 x 10(17) ion cm(-2)) inside of which significant changes of glassy carbon properties occur. (C) 2011 Elsevier Ltd. All rights reserved.
T2  - Carbon
T1  - Modification of glassy carbon properties under low energy proton irradiation
VL  - 49
IS  - 12
SP  - 3737
EP  - 3746
DO  - 10.1016/j.carbon.2011.05.006
ER  - 

@article{
author = "Jovanović, Zoran M. and Kalijadis, Ana and Vasiljević-Radović, Dana and Erich, Marko and Laušević, Mila D. and Mentus, Slavko V. and Laušević, Zoran",
year = "2011",
abstract = "Glassy carbon plates were irradiated with 15 key H(+) ion-beam in the fluence range of 1 x 10(16)-3 x 10(18) ion cm(-2). The influence of ion irradiation on surface morphology and topology was examined by scanning electron and atomic force microscopy. Structural changes were monitored by Raman spectrometry, while changes of wettability and the content of surface oxygen complexes were examined by contact angle measurements and temperature programmed desorption. Elastic recoil detection analysis was applied for determination of hydrogen concentration profiles in irradiated samples. Cyclic voltammetry was used for the assessment of the electrochemical properties of modified glassy carbon electrodes. It was concluded that there is critical fluence range (2 x 10(17)-5 x 10(17) ion cm(-2)) inside of which significant changes of glassy carbon properties occur. (C) 2011 Elsevier Ltd. All rights reserved.",
journal = "Carbon",
title = "Modification of glassy carbon properties under low energy proton irradiation",
volume = "49",
number = "12",
pages = "3737-3746",
doi = "10.1016/j.carbon.2011.05.006"
}

Jovanović, Z. M., Kalijadis, A., Vasiljević-Radović, D., Erich, M., Laušević, M. D., Mentus, S. V.,& Laušević, Z.. (2011). Modification of glassy carbon properties under low energy proton irradiation. in Carbon, 49(12), 3737-3746.
https://doi.org/10.1016/j.carbon.2011.05.006

Jovanović ZM, Kalijadis A, Vasiljević-Radović D, Erich M, Laušević MD, Mentus SV, Laušević Z. Modification of glassy carbon properties under low energy proton irradiation. in Carbon. 2011;49(12):3737-3746.
doi:10.1016/j.carbon.2011.05.006 .

Jovanović, Zoran M., Kalijadis, Ana, Vasiljević-Radović, Dana, Erich, Marko, Laušević, Mila D., Mentus, Slavko V., Laušević, Zoran, "Modification of glassy carbon properties under low energy proton irradiation" in Carbon, 49, no. 12 (2011):3737-3746,
https://doi.org/10.1016/j.carbon.2011.05.006 . .

TY  - JOUR
AU  - Antić, Bratislav
AU  - Kremenović, Aleksandar S.
AU  - Draganic, I.
AU  - Colomban, Ph.
AU  - Vasiljević-Radović, Dana
AU  - Blanuša, Jovan
AU  - Tadić, Marin
AU  - Mitrić, Miodrag
PY  - 2009
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3715
AB  - We report the results of ion irradiation influence on rare earth sesquioxides structure, which are materials of practical importance as a radiation resistant ceramics in nuclear applications. Y2O3, Gd2O3 and Er2O3 sesquioxides in the pellet form were irradiated by oxygen ions (O2+) beam with the energy of 30 keV and implantation fluence of 5 x 10(20) m (2). Samples are characterized by Grazing Incidence X-ray Diffraction (GIXRD), Raman spectroscopy and atomic force microscopy (AFM). By GIXRD it was found partial transformation from cubic (C) to monoclinic (B) phase only in Gd2O3, induced by O2+ irradiation. This was confirmed by Raman spectroscopy. Although full phase transition from C to B phase in Y2O3 was not observed, the splitting and broadening of the main intensity Raman band for C phase could be explained by the stress and the disorder induced by the quenching. Analysis done by AFM showed changes in surface topology, i.e. values of average roughness (Ra) and root mean squared roughness (RMS) were significantly changed after irradiation for all samples. RMSs in Y2O3 before and after irradiation were 35 nm and 26 nm, respectively. (C) 2009 Elsevier B.V. All rights reserved.
T2  - Applied Surface Science
T1  - Effects of O2+ ions beam irradiation on crystal structure of rare earth sesquioxides
VL  - 255
IS  - 17
SP  - 7601
EP  - 7604
DO  - 10.1016/j.apsusc.2009.04.035
ER  - 

@article{
author = "Antić, Bratislav and Kremenović, Aleksandar S. and Draganic, I. and Colomban, Ph. and Vasiljević-Radović, Dana and Blanuša, Jovan and Tadić, Marin and Mitrić, Miodrag",
year = "2009",
abstract = "We report the results of ion irradiation influence on rare earth sesquioxides structure, which are materials of practical importance as a radiation resistant ceramics in nuclear applications. Y2O3, Gd2O3 and Er2O3 sesquioxides in the pellet form were irradiated by oxygen ions (O2+) beam with the energy of 30 keV and implantation fluence of 5 x 10(20) m (2). Samples are characterized by Grazing Incidence X-ray Diffraction (GIXRD), Raman spectroscopy and atomic force microscopy (AFM). By GIXRD it was found partial transformation from cubic (C) to monoclinic (B) phase only in Gd2O3, induced by O2+ irradiation. This was confirmed by Raman spectroscopy. Although full phase transition from C to B phase in Y2O3 was not observed, the splitting and broadening of the main intensity Raman band for C phase could be explained by the stress and the disorder induced by the quenching. Analysis done by AFM showed changes in surface topology, i.e. values of average roughness (Ra) and root mean squared roughness (RMS) were significantly changed after irradiation for all samples. RMSs in Y2O3 before and after irradiation were 35 nm and 26 nm, respectively. (C) 2009 Elsevier B.V. All rights reserved.",
journal = "Applied Surface Science",
title = "Effects of O2+ ions beam irradiation on crystal structure of rare earth sesquioxides",
volume = "255",
number = "17",
pages = "7601-7604",
doi = "10.1016/j.apsusc.2009.04.035"
}

Antić, B., Kremenović, A. S., Draganic, I., Colomban, Ph., Vasiljević-Radović, D., Blanuša, J., Tadić, M.,& Mitrić, M.. (2009). Effects of O2+ ions beam irradiation on crystal structure of rare earth sesquioxides. in Applied Surface Science, 255(17), 7601-7604.
https://doi.org/10.1016/j.apsusc.2009.04.035

Antić B, Kremenović AS, Draganic I, Colomban P, Vasiljević-Radović D, Blanuša J, Tadić M, Mitrić M. Effects of O2+ ions beam irradiation on crystal structure of rare earth sesquioxides. in Applied Surface Science. 2009;255(17):7601-7604.
doi:10.1016/j.apsusc.2009.04.035 .

Antić, Bratislav, Kremenović, Aleksandar S., Draganic, I., Colomban, Ph., Vasiljević-Radović, Dana, Blanuša, Jovan, Tadić, Marin, Mitrić, Miodrag, "Effects of O2+ ions beam irradiation on crystal structure of rare earth sesquioxides" in Applied Surface Science, 255, no. 17 (2009):7601-7604,
https://doi.org/10.1016/j.apsusc.2009.04.035 . .

TY  - JOUR
AU  - Todorović-Marković, Biljana
AU  - Draganic, I.
AU  - Vasiljević-Radović, Dana
AU  - Romčević, Nebojša Ž.
AU  - Romčević, Maja J.
AU  - Dramićanin, Miroslav
AU  - Marković, Zoran M.
PY  - 2007
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3163
AB  - In this paper, results of structural modification of fullerene thin films by single and multiple charged boron ions (B+, B3+) are presented. The applied ion energies were in the range of 15-45 keV. The characterization of as-deposited and irradiated specimens has been performed by atomic force microscopy, Raman and Fourier transform infrared spectroscopy and UV/vis spectrophotometry. The results of Raman analysis have shown the formation of amorphous layer after irradiation of fullerene thin films. Fourier transform infrared spectroscopy has confirmed the formation of new B-C bonds in irradiated films at higher fluences (2 x 10(16) cm(-2)). The morphology of bombarded films has been changed significantly. The optical band gap was found to be reduced from 1.7 to 1.06 eV for irradiated films by B3+ ions and 0.7 eV for irradiated films by B+ ions. (c) 2006 Elsevier B.V. All rights reserved.
T2  - Applied Surface Science
T1  - Synthesis of amorphous boron carbide by single and multiple charged boron ions bombardment of fullerene thin films
VL  - 253
IS  - 8
SP  - 4029
EP  - 4035
DO  - 10.1016/j.apsusc.2006.08.035
ER  - 

@article{
author = "Todorović-Marković, Biljana and Draganic, I. and Vasiljević-Radović, Dana and Romčević, Nebojša Ž. and Romčević, Maja J. and Dramićanin, Miroslav and Marković, Zoran M.",
year = "2007",
abstract = "In this paper, results of structural modification of fullerene thin films by single and multiple charged boron ions (B+, B3+) are presented. The applied ion energies were in the range of 15-45 keV. The characterization of as-deposited and irradiated specimens has been performed by atomic force microscopy, Raman and Fourier transform infrared spectroscopy and UV/vis spectrophotometry. The results of Raman analysis have shown the formation of amorphous layer after irradiation of fullerene thin films. Fourier transform infrared spectroscopy has confirmed the formation of new B-C bonds in irradiated films at higher fluences (2 x 10(16) cm(-2)). The morphology of bombarded films has been changed significantly. The optical band gap was found to be reduced from 1.7 to 1.06 eV for irradiated films by B3+ ions and 0.7 eV for irradiated films by B+ ions. (c) 2006 Elsevier B.V. All rights reserved.",
journal = "Applied Surface Science",
title = "Synthesis of amorphous boron carbide by single and multiple charged boron ions bombardment of fullerene thin films",
volume = "253",
number = "8",
pages = "4029-4035",
doi = "10.1016/j.apsusc.2006.08.035"
}

Todorović-Marković, B., Draganic, I., Vasiljević-Radović, D., Romčević, N. Ž., Romčević, M. J., Dramićanin, M.,& Marković, Z. M.. (2007). Synthesis of amorphous boron carbide by single and multiple charged boron ions bombardment of fullerene thin films. in Applied Surface Science, 253(8), 4029-4035.
https://doi.org/10.1016/j.apsusc.2006.08.035

Todorović-Marković B, Draganic I, Vasiljević-Radović D, Romčević NŽ, Romčević MJ, Dramićanin M, Marković ZM. Synthesis of amorphous boron carbide by single and multiple charged boron ions bombardment of fullerene thin films. in Applied Surface Science. 2007;253(8):4029-4035.
doi:10.1016/j.apsusc.2006.08.035 .

Todorović-Marković, Biljana, Draganic, I., Vasiljević-Radović, Dana, Romčević, Nebojša Ž., Romčević, Maja J., Dramićanin, Miroslav, Marković, Zoran M., "Synthesis of amorphous boron carbide by single and multiple charged boron ions bombardment of fullerene thin films" in Applied Surface Science, 253, no. 8 (2007):4029-4035,
https://doi.org/10.1016/j.apsusc.2006.08.035 . .

TY  - JOUR
AU  - Gaković, Biljana M.
AU  - Trtica, Milan
AU  - Batani, Dimitri
AU  - Desai, T.
AU  - Panjan, Peter
AU  - Vasiljević-Radović, Dana
PY  - 2007
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6581
AB  - The interaction of a picosecond Nd: YAG laser ( wavelength 532 nm, pulse duration 40 ps) with a polycrystalline titanium nitride ( TiN) film was studied. The TiN thin film was deposited by physical vapour deposition on a silicon substrate. The titanium nitride/ silicon system was modified with an energy fluence from 0.2 to 5.9 J cm(-2). Multi- pulse irradiation was performed in air by a focused laser beam. Surface modifications were analysed after 1 - 100 successive laser pulses. Depending on the laser pulse energy and pulse count, the following phenomena were observed: ( i) increased surface roughness, ( ii) titanium nitride film cracking, ( iii) silicon substrate modification, ( iv) film exfoliation and ( v) laser- induced periodical surface structures on nano- ( NPSS) and micro- dimensions ( MPSS).
T2  - Journal of Optics. A: Pure and Applied Optics
T1  - Surface modification of titanium nitride film by a picosecond Nd : YAG laser
VL  - 9
IS  - 6
SP  - S76
EP  - S80
DO  - 10.1088/1464-4258/9/6/S11
ER  - 

@article{
author = "Gaković, Biljana M. and Trtica, Milan and Batani, Dimitri and Desai, T. and Panjan, Peter and Vasiljević-Radović, Dana",
year = "2007",
abstract = "The interaction of a picosecond Nd: YAG laser ( wavelength 532 nm, pulse duration 40 ps) with a polycrystalline titanium nitride ( TiN) film was studied. The TiN thin film was deposited by physical vapour deposition on a silicon substrate. The titanium nitride/ silicon system was modified with an energy fluence from 0.2 to 5.9 J cm(-2). Multi- pulse irradiation was performed in air by a focused laser beam. Surface modifications were analysed after 1 - 100 successive laser pulses. Depending on the laser pulse energy and pulse count, the following phenomena were observed: ( i) increased surface roughness, ( ii) titanium nitride film cracking, ( iii) silicon substrate modification, ( iv) film exfoliation and ( v) laser- induced periodical surface structures on nano- ( NPSS) and micro- dimensions ( MPSS).",
journal = "Journal of Optics. A: Pure and Applied Optics",
title = "Surface modification of titanium nitride film by a picosecond Nd : YAG laser",
volume = "9",
number = "6",
pages = "S76-S80",
doi = "10.1088/1464-4258/9/6/S11"
}

Gaković, B. M., Trtica, M., Batani, D., Desai, T., Panjan, P.,& Vasiljević-Radović, D.. (2007). Surface modification of titanium nitride film by a picosecond Nd : YAG laser. in Journal of Optics. A: Pure and Applied Optics, 9(6), S76-S80.
https://doi.org/10.1088/1464-4258/9/6/S11

Gaković BM, Trtica M, Batani D, Desai T, Panjan P, Vasiljević-Radović D. Surface modification of titanium nitride film by a picosecond Nd : YAG laser. in Journal of Optics. A: Pure and Applied Optics. 2007;9(6):S76-S80.
doi:10.1088/1464-4258/9/6/S11 .

Gaković, Biljana M., Trtica, Milan, Batani, Dimitri, Desai, T., Panjan, Peter, Vasiljević-Radović, Dana, "Surface modification of titanium nitride film by a picosecond Nd : YAG laser" in Journal of Optics. A: Pure and Applied Optics, 9, no. 6 (2007):S76-S80,
https://doi.org/10.1088/1464-4258/9/6/S11 . .

TY  - JOUR
AU  - Todorović-Marković, Biljana
AU  - Vasiljević-Radović, Dana
AU  - Romčević, Nebojša Ž.
AU  - Romčević, Maja J.
AU  - Dramićanin, Miroslav
AU  - Blanuša, Jovan
AU  - Marković, Zoran M.
PY  - 2007
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3210
AB  - The formation of amorphous carbon nitride under bombardment of fullerene thin films by single and multiple charged nitrogen ions is presented in this paper. The characterization of a new amorphous carbon nitride phase was performed by Raman, Fourier transform infrared spectroscopy, low angle x-ray diffraction and UV/Vis spectrophotometry. The structural modification in fullerene films after bombardment by single and multiple charged nitrogen ions has been examined by atomic force microscopy. It was found that the surface ordering has been changed significantly depending on the charge of the used ions. The optical band gap was found to be varied from 1.7 to 1.3 eV for bombarded films by N5+ ions and 1.4 eV for irradiated films by N+ ions.
T2  - Journal of Physics. D: Applied Physics
T1  - Synthesis of amorphous carbon nitride by single and multiple charged nitrogen ion bombardment of fullerene thin films
VL  - 40
IS  - 14
SP  - 4264
EP  - 4270
DO  - 10.1088/0022-3727/40/14/024
ER  - 

@article{
author = "Todorović-Marković, Biljana and Vasiljević-Radović, Dana and Romčević, Nebojša Ž. and Romčević, Maja J. and Dramićanin, Miroslav and Blanuša, Jovan and Marković, Zoran M.",
year = "2007",
abstract = "The formation of amorphous carbon nitride under bombardment of fullerene thin films by single and multiple charged nitrogen ions is presented in this paper. The characterization of a new amorphous carbon nitride phase was performed by Raman, Fourier transform infrared spectroscopy, low angle x-ray diffraction and UV/Vis spectrophotometry. The structural modification in fullerene films after bombardment by single and multiple charged nitrogen ions has been examined by atomic force microscopy. It was found that the surface ordering has been changed significantly depending on the charge of the used ions. The optical band gap was found to be varied from 1.7 to 1.3 eV for bombarded films by N5+ ions and 1.4 eV for irradiated films by N+ ions.",
journal = "Journal of Physics. D: Applied Physics",
title = "Synthesis of amorphous carbon nitride by single and multiple charged nitrogen ion bombardment of fullerene thin films",
volume = "40",
number = "14",
pages = "4264-4270",
doi = "10.1088/0022-3727/40/14/024"
}

Todorović-Marković, B., Vasiljević-Radović, D., Romčević, N. Ž., Romčević, M. J., Dramićanin, M., Blanuša, J.,& Marković, Z. M.. (2007). Synthesis of amorphous carbon nitride by single and multiple charged nitrogen ion bombardment of fullerene thin films. in Journal of Physics. D: Applied Physics, 40(14), 4264-4270.
https://doi.org/10.1088/0022-3727/40/14/024

Todorović-Marković B, Vasiljević-Radović D, Romčević NŽ, Romčević MJ, Dramićanin M, Blanuša J, Marković ZM. Synthesis of amorphous carbon nitride by single and multiple charged nitrogen ion bombardment of fullerene thin films. in Journal of Physics. D: Applied Physics. 2007;40(14):4264-4270.
doi:10.1088/0022-3727/40/14/024 .

Todorović-Marković, Biljana, Vasiljević-Radović, Dana, Romčević, Nebojša Ž., Romčević, Maja J., Dramićanin, Miroslav, Blanuša, Jovan, Marković, Zoran M., "Synthesis of amorphous carbon nitride by single and multiple charged nitrogen ion bombardment of fullerene thin films" in Journal of Physics. D: Applied Physics, 40, no. 14 (2007):4264-4270,
https://doi.org/10.1088/0022-3727/40/14/024 . .

TY  - JOUR
AU  - Nedić, B.
AU  - Dondur, Vera
AU  - Kremenović, Aleksandar S.
AU  - Dimitrijevic, R.
AU  - Antić, Bratislav
AU  - Blanuša, Jovan
AU  - Vasiljević-Radović, Dana
AU  - Stoiljković, Milovan
PY  - 2007
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6720
AB  - Yb3+-doped Ba and Sr diphyllosilicates (hexacelsians) have been synthesized using the Na form of LTA zeolite by ion-exchange procedure and thermal treatment. The crystal structures of both doped samples are refined and described in this article. The results of Rietveld refinements clearly indicate that Yb3+ ions are incorporated into the hexacelsians structure. AFM photomicrographs show round-shaped particles with the size of few microns. The magnetization measurements were done within the 2-300 K temperature range, revealing an enhancement of magnetization with temperature that is not in accordance with simple paramagnetic behavior.
T2  - Russian Journal of Physical Chemistry A
T1  - Yb3+ doped dyphillosilicates prepared by thermally induced phase transformation of zeolites
VL  - 81
IS  - 9
SP  - 1413
EP  - 1417
DO  - 10.1134/S0036024407090129
ER  - 

@article{
author = "Nedić, B. and Dondur, Vera and Kremenović, Aleksandar S. and Dimitrijevic, R. and Antić, Bratislav and Blanuša, Jovan and Vasiljević-Radović, Dana and Stoiljković, Milovan",
year = "2007",
abstract = "Yb3+-doped Ba and Sr diphyllosilicates (hexacelsians) have been synthesized using the Na form of LTA zeolite by ion-exchange procedure and thermal treatment. The crystal structures of both doped samples are refined and described in this article. The results of Rietveld refinements clearly indicate that Yb3+ ions are incorporated into the hexacelsians structure. AFM photomicrographs show round-shaped particles with the size of few microns. The magnetization measurements were done within the 2-300 K temperature range, revealing an enhancement of magnetization with temperature that is not in accordance with simple paramagnetic behavior.",
journal = "Russian Journal of Physical Chemistry A",
title = "Yb3+ doped dyphillosilicates prepared by thermally induced phase transformation of zeolites",
volume = "81",
number = "9",
pages = "1413-1417",
doi = "10.1134/S0036024407090129"
}

Nedić, B., Dondur, V., Kremenović, A. S., Dimitrijevic, R., Antić, B., Blanuša, J., Vasiljević-Radović, D.,& Stoiljković, M.. (2007). Yb3+ doped dyphillosilicates prepared by thermally induced phase transformation of zeolites. in Russian Journal of Physical Chemistry A, 81(9), 1413-1417.
https://doi.org/10.1134/S0036024407090129

Nedić B, Dondur V, Kremenović AS, Dimitrijevic R, Antić B, Blanuša J, Vasiljević-Radović D, Stoiljković M. Yb3+ doped dyphillosilicates prepared by thermally induced phase transformation of zeolites. in Russian Journal of Physical Chemistry A. 2007;81(9):1413-1417.
doi:10.1134/S0036024407090129 .

Nedić, B., Dondur, Vera, Kremenović, Aleksandar S., Dimitrijevic, R., Antić, Bratislav, Blanuša, Jovan, Vasiljević-Radović, Dana, Stoiljković, Milovan, "Yb3+ doped dyphillosilicates prepared by thermally induced phase transformation of zeolites" in Russian Journal of Physical Chemistry A, 81, no. 9 (2007):1413-1417,
https://doi.org/10.1134/S0036024407090129 . .

TY  - JOUR
AU  - Todorović-Marković, Biljana
AU  - Draganic, I.
AU  - Vasiljević-Radović, Dana
AU  - Romčević, Nebojša Ž.
AU  - Blanuša, Jovan
AU  - Dramićanin, Miroslav
AU  - Marković, Zoran M.
PY  - 2007
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3282
AB  - In this paper, the results of structural modification of fullerene thin films bombarded by highly charged iron ions (Fe6+) are presented. The properties of as-deposited and irradiated fullerene thin films have been investigated by Raman spectroscopy, UV/Vis spectrophotometry and atomic force microscopy (AFM). The results of Raman spectroscopy have indicated structural changes of irradiated thin films depending on fluences. It was found that iron doped fullerene films are dominated by sp(3) rather than sp(2) after bombardment which might be due to formation of nanodiamond structures. AFM analysis showed that the ion beam had destroyed the surface ordering. The optical band gap was found to be in the range of 0.6 to 1.4 eV for irradiated films by Fe6+ ions at the highest fluences.
T2  - Applied Physics. A: Materials Science and Processing
T1  - Structural modification of fullerene thin films by highly charged iron ions
VL  - 89
IS  - 3
SP  - 749
EP  - 754
DO  - 10.1007/s00339-007-4162-y
ER  - 

@article{
author = "Todorović-Marković, Biljana and Draganic, I. and Vasiljević-Radović, Dana and Romčević, Nebojša Ž. and Blanuša, Jovan and Dramićanin, Miroslav and Marković, Zoran M.",
year = "2007",
abstract = "In this paper, the results of structural modification of fullerene thin films bombarded by highly charged iron ions (Fe6+) are presented. The properties of as-deposited and irradiated fullerene thin films have been investigated by Raman spectroscopy, UV/Vis spectrophotometry and atomic force microscopy (AFM). The results of Raman spectroscopy have indicated structural changes of irradiated thin films depending on fluences. It was found that iron doped fullerene films are dominated by sp(3) rather than sp(2) after bombardment which might be due to formation of nanodiamond structures. AFM analysis showed that the ion beam had destroyed the surface ordering. The optical band gap was found to be in the range of 0.6 to 1.4 eV for irradiated films by Fe6+ ions at the highest fluences.",
journal = "Applied Physics. A: Materials Science and Processing",
title = "Structural modification of fullerene thin films by highly charged iron ions",
volume = "89",
number = "3",
pages = "749-754",
doi = "10.1007/s00339-007-4162-y"
}

Todorović-Marković, B., Draganic, I., Vasiljević-Radović, D., Romčević, N. Ž., Blanuša, J., Dramićanin, M.,& Marković, Z. M.. (2007). Structural modification of fullerene thin films by highly charged iron ions. in Applied Physics. A: Materials Science and Processing, 89(3), 749-754.
https://doi.org/10.1007/s00339-007-4162-y

Todorović-Marković B, Draganic I, Vasiljević-Radović D, Romčević NŽ, Blanuša J, Dramićanin M, Marković ZM. Structural modification of fullerene thin films by highly charged iron ions. in Applied Physics. A: Materials Science and Processing. 2007;89(3):749-754.
doi:10.1007/s00339-007-4162-y .

Todorović-Marković, Biljana, Draganic, I., Vasiljević-Radović, Dana, Romčević, Nebojša Ž., Blanuša, Jovan, Dramićanin, Miroslav, Marković, Zoran M., "Structural modification of fullerene thin films by highly charged iron ions" in Applied Physics. A: Materials Science and Processing, 89, no. 3 (2007):749-754,
https://doi.org/10.1007/s00339-007-4162-y . .

TY  - JOUR
AU  - Pocuca, M.
AU  - Branković, Goran O.
AU  - Brankovic, Z.
AU  - Vasiljević-Radović, Dana
AU  - Mitrić, Miodrag
PY  - 2007
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/6675
AB  - The aim of this work was to prepare lanthanum nickel oxide (LaNiO3, LNO) thin films of different morphology and orientation. The precursor solutions were prepared by a chemical method from citric salts of lanthanum and nickel. Films were deposited using spin-on technique on Si (10 0) substrates. Tailoring of the films orientation and morphology has been attained through two thermal treatment processes with different heating 9 devices: tubular furnace (process 1) and hot plate (process 2). Films were annealed at 600 and 700 degrees C, with heating rates: 20 degrees C/min (process 1) and I degrees C/min (process 2). Annealing times were from 30 min to 20 h. LNO films were characterized by AFM and X-ray diffraction analysis. Depending on the heating process applied, the obtained films showed very different structures, from completely amorphous to well crystallized and highly oriented. Films treated by process I were polycrystalline, had smaller oval grains and lower roughness parameters than films heated on a hot plate. Due to the low heating rate and heating from the substrate side, films obtained through process 2 were highly (I 10) oriented with elongated grains aligned along one direction.
T2  - Journal of the European Ceramic Society
T1  - Tailoring of morphology and orientation of LaNiO3 films from polymeric precursors
VL  - 27
IS  - 13-15
SP  - 3819
EP  - 3822
DO  - 10.1016/j.jeurceramsoc.2007.02.052
ER  - 

@article{
author = "Pocuca, M. and Branković, Goran O. and Brankovic, Z. and Vasiljević-Radović, Dana and Mitrić, Miodrag",
year = "2007",
abstract = "The aim of this work was to prepare lanthanum nickel oxide (LaNiO3, LNO) thin films of different morphology and orientation. The precursor solutions were prepared by a chemical method from citric salts of lanthanum and nickel. Films were deposited using spin-on technique on Si (10 0) substrates. Tailoring of the films orientation and morphology has been attained through two thermal treatment processes with different heating 9 devices: tubular furnace (process 1) and hot plate (process 2). Films were annealed at 600 and 700 degrees C, with heating rates: 20 degrees C/min (process 1) and I degrees C/min (process 2). Annealing times were from 30 min to 20 h. LNO films were characterized by AFM and X-ray diffraction analysis. Depending on the heating process applied, the obtained films showed very different structures, from completely amorphous to well crystallized and highly oriented. Films treated by process I were polycrystalline, had smaller oval grains and lower roughness parameters than films heated on a hot plate. Due to the low heating rate and heating from the substrate side, films obtained through process 2 were highly (I 10) oriented with elongated grains aligned along one direction.",
journal = "Journal of the European Ceramic Society",
title = "Tailoring of morphology and orientation of LaNiO3 films from polymeric precursors",
volume = "27",
number = "13-15",
pages = "3819-3822",
doi = "10.1016/j.jeurceramsoc.2007.02.052"
}

Pocuca, M., Branković, G. O., Brankovic, Z., Vasiljević-Radović, D.,& Mitrić, M.. (2007). Tailoring of morphology and orientation of LaNiO3 films from polymeric precursors. in Journal of the European Ceramic Society, 27(13-15), 3819-3822.
https://doi.org/10.1016/j.jeurceramsoc.2007.02.052

Pocuca M, Branković GO, Brankovic Z, Vasiljević-Radović D, Mitrić M. Tailoring of morphology and orientation of LaNiO3 films from polymeric precursors. in Journal of the European Ceramic Society. 2007;27(13-15):3819-3822.
doi:10.1016/j.jeurceramsoc.2007.02.052 .

Pocuca, M., Branković, Goran O., Brankovic, Z., Vasiljević-Radović, Dana, Mitrić, Miodrag, "Tailoring of morphology and orientation of LaNiO3 films from polymeric precursors" in Journal of the European Ceramic Society, 27, no. 13-15 (2007):3819-3822,
https://doi.org/10.1016/j.jeurceramsoc.2007.02.052 . .

TY  - JOUR
AU  - Isaković, Aleksandra J.
AU  - Marković, Zoran M.
AU  - Nikolić, Nadežda S.
AU  - Todorović-Marković, Biljana
AU  - Vranješ-Đurić, Sanja
AU  - Harhaji, Ljubica M.
AU  - Raičević, Nevena
AU  - Romčević, Nebojša Ž.
AU  - Vasiljević-Radović, Dana
AU  - Dramićanin, Miroslav
AU  - Trajković, Vladimir S.
PY  - 2006
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3076
AB  - We investigated the effect of gamma-irradiation on the cytotoxicity of pure C-60 solubilized in water by using tetrahydrofuran (THF/n-C-60 or THF/n-C-60). In contrast to THF/n-C-60, its gamma-irradiated counterpart failed to generate oxygen radicals and cause extracellular signal-regulated kinase (ERK)-dependent necrotic cell death in various types of mammalian cells. Moreover, gamma-irradiated THF/n-C-60 protected cells from the oxidative stress induced by native THF/n-C-60 or hydrogen peroxide. The observed biological effects were associated with of THF and subsequent derivatization of the n-C-60 surface. These results for the first time demonstrate gamma-irradiation-mediated changes in the physico-chemical properties of THF-prepared nanocrystalline C-60, resulting in a complete loss of its cytotoxic effect and its conversion to a cytoprotective agent. (c) 2006 Elsevier Ltd. All rights reserved.
T2  - Biomaterials
T1  - Inactivation of nanocrystalline C-60 cytotoxicity by gamma-irradiation
VL  - 27
IS  - 29
SP  - 5049
EP  - 5058
DO  - 10.1016/j.biomaterials.2006.05.047
ER  - 

@article{
author = "Isaković, Aleksandra J. and Marković, Zoran M. and Nikolić, Nadežda S. and Todorović-Marković, Biljana and Vranješ-Đurić, Sanja and Harhaji, Ljubica M. and Raičević, Nevena and Romčević, Nebojša Ž. and Vasiljević-Radović, Dana and Dramićanin, Miroslav and Trajković, Vladimir S.",
year = "2006",
abstract = "We investigated the effect of gamma-irradiation on the cytotoxicity of pure C-60 solubilized in water by using tetrahydrofuran (THF/n-C-60 or THF/n-C-60). In contrast to THF/n-C-60, its gamma-irradiated counterpart failed to generate oxygen radicals and cause extracellular signal-regulated kinase (ERK)-dependent necrotic cell death in various types of mammalian cells. Moreover, gamma-irradiated THF/n-C-60 protected cells from the oxidative stress induced by native THF/n-C-60 or hydrogen peroxide. The observed biological effects were associated with of THF and subsequent derivatization of the n-C-60 surface. These results for the first time demonstrate gamma-irradiation-mediated changes in the physico-chemical properties of THF-prepared nanocrystalline C-60, resulting in a complete loss of its cytotoxic effect and its conversion to a cytoprotective agent. (c) 2006 Elsevier Ltd. All rights reserved.",
journal = "Biomaterials",
title = "Inactivation of nanocrystalline C-60 cytotoxicity by gamma-irradiation",
volume = "27",
number = "29",
pages = "5049-5058",
doi = "10.1016/j.biomaterials.2006.05.047"
}

Isaković, A. J., Marković, Z. M., Nikolić, N. S., Todorović-Marković, B., Vranješ-Đurić, S., Harhaji, L. M., Raičević, N., Romčević, N. Ž., Vasiljević-Radović, D., Dramićanin, M.,& Trajković, V. S.. (2006). Inactivation of nanocrystalline C-60 cytotoxicity by gamma-irradiation. in Biomaterials, 27(29), 5049-5058.
https://doi.org/10.1016/j.biomaterials.2006.05.047

Isaković AJ, Marković ZM, Nikolić NS, Todorović-Marković B, Vranješ-Đurić S, Harhaji LM, Raičević N, Romčević NŽ, Vasiljević-Radović D, Dramićanin M, Trajković VS. Inactivation of nanocrystalline C-60 cytotoxicity by gamma-irradiation. in Biomaterials. 2006;27(29):5049-5058.
doi:10.1016/j.biomaterials.2006.05.047 .

Isaković, Aleksandra J., Marković, Zoran M., Nikolić, Nadežda S., Todorović-Marković, Biljana, Vranješ-Đurić, Sanja, Harhaji, Ljubica M., Raičević, Nevena, Romčević, Nebojša Ž., Vasiljević-Radović, Dana, Dramićanin, Miroslav, Trajković, Vladimir S., "Inactivation of nanocrystalline C-60 cytotoxicity by gamma-irradiation" in Biomaterials, 27, no. 29 (2006):5049-5058,
https://doi.org/10.1016/j.biomaterials.2006.05.047 . .

TY  - JOUR
AU  - Cvijović, Ivana
AU  - Jovanović, Milan T.
AU  - Vasiljević-Radović, Dana
AU  - Peruško, Davor
PY  - 2006
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3115
AB  - The effect of an 80Ni-20Cr (at.%) metallic coating on the cyclic oxidation behaviour of a Ti3Al-based alloy with the composition Ti-25Al-11Nb (at.%) was investigated in this study. Cyclic oxidation tests were carried out in air at 600 degrees C and 900 degrees C for 120 h. For one cycle test, the specimens were held for 24 h at test temperature and then furnace-cooled to room temperature. The oxidation rate was determined by plotting the mass gain per unit surface area of the specimen vs. exposure time. The morphology and composition of the oxidation products were characterized on the cross-section of the specimens by scanning electron microscopy, energy-dispersive X-ray spectroscopy and atomic force microscopy. The oxidation scale forms during exposure at both 600 degrees C and 900 degrees C. TiO2 is the main oxide component, whereas the Al2O3 layer appears only discontinuously. The remarkable improvement in oxidation resistance at 900 degrees C was attributed to the chemical composition and structure of the scale formed on the 80Ni-20Cr coating.
T2  - Journal of Microscopy, Oxford
T1  - The effect of an Ni-Cr protective layer on cyclic oxidation of Ti3Al
VL  - 224
SP  - 68
EP  - 71
DO  - 10.1111/j.1365-2818.2006.01667.x
ER  - 

@article{
author = "Cvijović, Ivana and Jovanović, Milan T. and Vasiljević-Radović, Dana and Peruško, Davor",
year = "2006",
abstract = "The effect of an 80Ni-20Cr (at.%) metallic coating on the cyclic oxidation behaviour of a Ti3Al-based alloy with the composition Ti-25Al-11Nb (at.%) was investigated in this study. Cyclic oxidation tests were carried out in air at 600 degrees C and 900 degrees C for 120 h. For one cycle test, the specimens were held for 24 h at test temperature and then furnace-cooled to room temperature. The oxidation rate was determined by plotting the mass gain per unit surface area of the specimen vs. exposure time. The morphology and composition of the oxidation products were characterized on the cross-section of the specimens by scanning electron microscopy, energy-dispersive X-ray spectroscopy and atomic force microscopy. The oxidation scale forms during exposure at both 600 degrees C and 900 degrees C. TiO2 is the main oxide component, whereas the Al2O3 layer appears only discontinuously. The remarkable improvement in oxidation resistance at 900 degrees C was attributed to the chemical composition and structure of the scale formed on the 80Ni-20Cr coating.",
journal = "Journal of Microscopy, Oxford",
title = "The effect of an Ni-Cr protective layer on cyclic oxidation of Ti3Al",
volume = "224",
pages = "68-71",
doi = "10.1111/j.1365-2818.2006.01667.x"
}

Cvijović, I., Jovanović, M. T., Vasiljević-Radović, D.,& Peruško, D.. (2006). The effect of an Ni-Cr protective layer on cyclic oxidation of Ti3Al. in Journal of Microscopy, Oxford, 224, 68-71.
https://doi.org/10.1111/j.1365-2818.2006.01667.x

Cvijović I, Jovanović MT, Vasiljević-Radović D, Peruško D. The effect of an Ni-Cr protective layer on cyclic oxidation of Ti3Al. in Journal of Microscopy, Oxford. 2006;224:68-71.
doi:10.1111/j.1365-2818.2006.01667.x .

Cvijović, Ivana, Jovanović, Milan T., Vasiljević-Radović, Dana, Peruško, Davor, "The effect of an Ni-Cr protective layer on cyclic oxidation of Ti3Al" in Journal of Microscopy, Oxford, 224 (2006):68-71,
https://doi.org/10.1111/j.1365-2818.2006.01667.x . .

TY  - CONF
AU  - Ignjatović, Nenad L.
AU  - Vasiljević-Radović, Dana
AU  - Vukelić, J.
AU  - Uskoković, Dragan
PY  - 2005
UR  - http://dais.sanu.ac.rs/123456789/334
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7404
AB  - Poster presented at the The Seventh Yugoslav Materials Research Society Conference - YUCOMAT 2005, Herceg Novi, Montenegro, September 12-16, 2005.
T1  - Nano Design of Biphasic ciumphosphate/Poly-Dl-Lactide- Co-Glycolide, as Composite Biomaterials for Hard Tissue Reconstruction
UR  - https://hdl.handle.net/21.15107/rcub_vinar_7404
ER  - 

@conference{
author = "Ignjatović, Nenad L. and Vasiljević-Radović, Dana and Vukelić, J. and Uskoković, Dragan",
year = "2005",
abstract = "Poster presented at the The Seventh Yugoslav Materials Research Society Conference - YUCOMAT 2005, Herceg Novi, Montenegro, September 12-16, 2005.",
title = "Nano Design of Biphasic ciumphosphate/Poly-Dl-Lactide- Co-Glycolide, as Composite Biomaterials for Hard Tissue Reconstruction",
url = "https://hdl.handle.net/21.15107/rcub_vinar_7404"
}

Ignjatović, N. L., Vasiljević-Radović, D., Vukelić, J.,& Uskoković, D.. (2005). Nano Design of Biphasic ciumphosphate/Poly-Dl-Lactide- Co-Glycolide, as Composite Biomaterials for Hard Tissue Reconstruction. .
https://hdl.handle.net/21.15107/rcub_vinar_7404

Ignjatović NL, Vasiljević-Radović D, Vukelić J, Uskoković D. Nano Design of Biphasic ciumphosphate/Poly-Dl-Lactide- Co-Glycolide, as Composite Biomaterials for Hard Tissue Reconstruction. 2005;.
https://hdl.handle.net/21.15107/rcub_vinar_7404 .

Ignjatović, Nenad L., Vasiljević-Radović, Dana, Vukelić, J., Uskoković, Dragan, "Nano Design of Biphasic ciumphosphate/Poly-Dl-Lactide- Co-Glycolide, as Composite Biomaterials for Hard Tissue Reconstruction" (2005),
https://hdl.handle.net/21.15107/rcub_vinar_7404 .

TY  - JOUR
AU  - Dramićanin, Miroslav
AU  - Ristovski, Zoran
AU  - Nikolić, Pantelija
AU  - Vasiljević, Dana
AU  - Todorović, Dragan M.
PY  - 1995
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/7480
AB  - Photoacoustic (PA) heat-transmission measurements were used to study transport in a nearly intrinsic Ge single crystal. A theoretical model was developed which quantitatively describes excess carrier and thermal-wave space distributions, within the semiconductor under monochromatic cw modulated excitation. The PA heat-transmission, reflection, and photothermal-beam-deflection signals can be calculated using this model. It is shown that the frequency characteristic of the measurement system can be eliminated using measurements on different thicknesses of the same sample. It is also shown that both the normalized phase and amplitude spectra, as a function of the modulation frequency, can be used to determine the values of the thermal diffusivity, the excess-carrier lifetime, and the surface recombination velocity.
T2  - Physical Review B
T1  - Photoacoustic investigation of transport in semiconductors: Theoretical and experimental study of a Ge single crystal
SP  - 14226
EP  - 14232
DO  - 10.1103/PhysRevB.51.14226
ER  - 

@article{
author = "Dramićanin, Miroslav and Ristovski, Zoran and Nikolić, Pantelija and Vasiljević, Dana and Todorović, Dragan M.",
year = "1995",
abstract = "Photoacoustic (PA) heat-transmission measurements were used to study transport in a nearly intrinsic Ge single crystal. A theoretical model was developed which quantitatively describes excess carrier and thermal-wave space distributions, within the semiconductor under monochromatic cw modulated excitation. The PA heat-transmission, reflection, and photothermal-beam-deflection signals can be calculated using this model. It is shown that the frequency characteristic of the measurement system can be eliminated using measurements on different thicknesses of the same sample. It is also shown that both the normalized phase and amplitude spectra, as a function of the modulation frequency, can be used to determine the values of the thermal diffusivity, the excess-carrier lifetime, and the surface recombination velocity.",
journal = "Physical Review B",
title = "Photoacoustic investigation of transport in semiconductors: Theoretical and experimental study of a Ge single crystal",
pages = "14226-14232",
doi = "10.1103/PhysRevB.51.14226"
}

Dramićanin, M., Ristovski, Z., Nikolić, P., Vasiljević, D.,& Todorović, D. M.. (1995). Photoacoustic investigation of transport in semiconductors: Theoretical and experimental study of a Ge single crystal. in Physical Review B, 14226-14232.
https://doi.org/10.1103/PhysRevB.51.14226

Dramićanin M, Ristovski Z, Nikolić P, Vasiljević D, Todorović DM. Photoacoustic investigation of transport in semiconductors: Theoretical and experimental study of a Ge single crystal. in Physical Review B. 1995;:14226-14232.
doi:10.1103/PhysRevB.51.14226 .

Dramićanin, Miroslav, Ristovski, Zoran, Nikolić, Pantelija, Vasiljević, Dana, Todorović, Dragan M., "Photoacoustic investigation of transport in semiconductors: Theoretical and experimental study of a Ge single crystal" in Physical Review B (1995):14226-14232,
https://doi.org/10.1103/PhysRevB.51.14226 . .