Radetić, Tamara

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  • Radetić, Tamara (19)
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Author's Bibliography

In situ photoreduction of Ag+-ions on the surface of titania nanotubes deposited on cotton and cotton/PET fabrics

Milošević, Milica V.; Šaponjić, Zoran; Nunney, Tim; Deeks, Christopher; Radoičić, Marija B.; Mitrić, Miodrag; Radetić, Tamara; Radetić, Maja M.

(2017)

TY  - JOUR
AU  - Milošević, Milica V.
AU  - Šaponjić, Zoran
AU  - Nunney, Tim
AU  - Deeks, Christopher
AU  - Radoičić, Marija B.
AU  - Mitrić, Miodrag
AU  - Radetić, Tamara
AU  - Radetić, Maja M.
PY  - 2017
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1436
AB  - This study discusses the possibility of in situ photoreduction of Ag+-ions on the surface of titania nanotubes (TNTs) deposited on the cotton and cotton/PET fabrics in the presence of amino acid alanine and methyl alcohol. TNTs were synthetized by hydrothermal method. The proposed interaction between titania, alanine and Ag+-ions was based on the results obtained by FTIR measurements. In order to enhance the binding efficiency between TNTs and fibers, the fabrics were previously impregnated with polyethyleneimine. The presence of TNT/Ag nanocrystals on the surface of fibers was proved by SEM, AAS, XRD and XPS. Larger amount of silver was detected on the cotton fabric. Fabricated TiO2/Ag nanocrystals provided maximum reduction of bacteria E. coli which was preserved after five washing cycles despite significant release of silver. The perspiration fastness tests indicated that silver release did not depend on pH. The presence of TNT/Ag nanocrystals imparted maximum UV protection to fabrics.
T2  - Cellulose
T1  - In situ photoreduction of Ag+-ions on the surface of titania nanotubes deposited on cotton and cotton/PET fabrics
VL  - 24
IS  - 3
SP  - 1597
EP  - 1610
DO  - 10.1007/s10570-017-1207-z
ER  - 
@article{
author = "Milošević, Milica V. and Šaponjić, Zoran and Nunney, Tim and Deeks, Christopher and Radoičić, Marija B. and Mitrić, Miodrag and Radetić, Tamara and Radetić, Maja M.",
year = "2017",
abstract = "This study discusses the possibility of in situ photoreduction of Ag+-ions on the surface of titania nanotubes (TNTs) deposited on the cotton and cotton/PET fabrics in the presence of amino acid alanine and methyl alcohol. TNTs were synthetized by hydrothermal method. The proposed interaction between titania, alanine and Ag+-ions was based on the results obtained by FTIR measurements. In order to enhance the binding efficiency between TNTs and fibers, the fabrics were previously impregnated with polyethyleneimine. The presence of TNT/Ag nanocrystals on the surface of fibers was proved by SEM, AAS, XRD and XPS. Larger amount of silver was detected on the cotton fabric. Fabricated TiO2/Ag nanocrystals provided maximum reduction of bacteria E. coli which was preserved after five washing cycles despite significant release of silver. The perspiration fastness tests indicated that silver release did not depend on pH. The presence of TNT/Ag nanocrystals imparted maximum UV protection to fabrics.",
journal = "Cellulose",
title = "In situ photoreduction of Ag+-ions on the surface of titania nanotubes deposited on cotton and cotton/PET fabrics",
volume = "24",
number = "3",
pages = "1597-1610",
doi = "10.1007/s10570-017-1207-z"
}
Milošević, M. V., Šaponjić, Z., Nunney, T., Deeks, C., Radoičić, M. B., Mitrić, M., Radetić, T.,& Radetić, M. M.. (2017). In situ photoreduction of Ag+-ions on the surface of titania nanotubes deposited on cotton and cotton/PET fabrics. in Cellulose, 24(3), 1597-1610.
https://doi.org/10.1007/s10570-017-1207-z
Milošević MV, Šaponjić Z, Nunney T, Deeks C, Radoičić MB, Mitrić M, Radetić T, Radetić MM. In situ photoreduction of Ag+-ions on the surface of titania nanotubes deposited on cotton and cotton/PET fabrics. in Cellulose. 2017;24(3):1597-1610.
doi:10.1007/s10570-017-1207-z .
Milošević, Milica V., Šaponjić, Zoran, Nunney, Tim, Deeks, Christopher, Radoičić, Marija B., Mitrić, Miodrag, Radetić, Tamara, Radetić, Maja M., "In situ photoreduction of Ag+-ions on the surface of titania nanotubes deposited on cotton and cotton/PET fabrics" in Cellulose, 24, no. 3 (2017):1597-1610,
https://doi.org/10.1007/s10570-017-1207-z . .
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Biodegradation of cotton and cotton/polyester with Ag/TiO2 nanoparticles in soil

Milošević, Milica V.; Krkobabic, Ana; Radoičić, Marija B.; Šaponjić, Zoran; Radetić, Tamara; Radetić, Maja M.

(2017)

TY  - JOUR
AU  - Milošević, Milica V.
AU  - Krkobabic, Ana
AU  - Radoičić, Marija B.
AU  - Šaponjić, Zoran
AU  - Radetić, Tamara
AU  - Radetić, Maja M.
PY  - 2017
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1415
AB  - This study discusses the biodegradation behavior of cotton and cotton/PET fabrics impregnated with Ag/TiO2 nanoparticles in soil. Biodegradation behavior was evaluated by standard test method ASTM 5988-03 based on determination of percentage conversions of carbon content to CO2 as well as by soil burial test and enzymatic hydrolysis with cellulase where the extent of biodegradation was estimated by the calculation of fabric weight loss. The morphological and chemical changes of fibers during biodegradation process were analyzed by SEM and FTIR spectroscopy, respectively. The results obtained by all applied methods suggested that Ag/TiO2 nanoparticles hindered the biodegradation of investigated cotton and cotton/PET fabrics. Soil burial test indicated faster biodegradation of the impregnated blend compared to impregnated cotton fabric which is attributed to smaller amount of fabricated Ag nanoparticles on the blend proved by MS measurement. Similar trend was established by enzymatic hydrolysis of cotton fibers. Severe damage of cotton fibers in both fabrics due to biodegradation process was confirmed by SEM. However, the cotton fiber damage occurred to a lesser extent in the samples that were impregnated with Ag/TiO2 nanoparticles. PET fibers remained intact which was also indicated by FTIR analysis. (C) 2016 Elsevier Ltd. All rights reserved.
T2  - Carbohydrate Polymers
T1  - Biodegradation of cotton and cotton/polyester with Ag/TiO2 nanoparticles in soil
VL  - 158
SP  - 77
EP  - 84
DO  - 10.1016/j.carbpol.2016.12.006
ER  - 
@article{
author = "Milošević, Milica V. and Krkobabic, Ana and Radoičić, Marija B. and Šaponjić, Zoran and Radetić, Tamara and Radetić, Maja M.",
year = "2017",
abstract = "This study discusses the biodegradation behavior of cotton and cotton/PET fabrics impregnated with Ag/TiO2 nanoparticles in soil. Biodegradation behavior was evaluated by standard test method ASTM 5988-03 based on determination of percentage conversions of carbon content to CO2 as well as by soil burial test and enzymatic hydrolysis with cellulase where the extent of biodegradation was estimated by the calculation of fabric weight loss. The morphological and chemical changes of fibers during biodegradation process were analyzed by SEM and FTIR spectroscopy, respectively. The results obtained by all applied methods suggested that Ag/TiO2 nanoparticles hindered the biodegradation of investigated cotton and cotton/PET fabrics. Soil burial test indicated faster biodegradation of the impregnated blend compared to impregnated cotton fabric which is attributed to smaller amount of fabricated Ag nanoparticles on the blend proved by MS measurement. Similar trend was established by enzymatic hydrolysis of cotton fibers. Severe damage of cotton fibers in both fabrics due to biodegradation process was confirmed by SEM. However, the cotton fiber damage occurred to a lesser extent in the samples that were impregnated with Ag/TiO2 nanoparticles. PET fibers remained intact which was also indicated by FTIR analysis. (C) 2016 Elsevier Ltd. All rights reserved.",
journal = "Carbohydrate Polymers",
title = "Biodegradation of cotton and cotton/polyester with Ag/TiO2 nanoparticles in soil",
volume = "158",
pages = "77-84",
doi = "10.1016/j.carbpol.2016.12.006"
}
Milošević, M. V., Krkobabic, A., Radoičić, M. B., Šaponjić, Z., Radetić, T.,& Radetić, M. M.. (2017). Biodegradation of cotton and cotton/polyester with Ag/TiO2 nanoparticles in soil. in Carbohydrate Polymers, 158, 77-84.
https://doi.org/10.1016/j.carbpol.2016.12.006
Milošević MV, Krkobabic A, Radoičić MB, Šaponjić Z, Radetić T, Radetić MM. Biodegradation of cotton and cotton/polyester with Ag/TiO2 nanoparticles in soil. in Carbohydrate Polymers. 2017;158:77-84.
doi:10.1016/j.carbpol.2016.12.006 .
Milošević, Milica V., Krkobabic, Ana, Radoičić, Marija B., Šaponjić, Zoran, Radetić, Tamara, Radetić, Maja M., "Biodegradation of cotton and cotton/polyester with Ag/TiO2 nanoparticles in soil" in Carbohydrate Polymers, 158 (2017):77-84,
https://doi.org/10.1016/j.carbpol.2016.12.006 . .
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Shaped Co2+ doped TiO2 nanocrystals synthesized from nanotubular precursor: Structure and ferromagnetic behavior

Vranješ, Mila; Kuljanin-Jakovljević, Jadranka Ž.; Konstantinović, Zorica; Pomar, Alberto; Stoiljković, Milovan; Mitrić, Miodrag; Radetić, Tamara; Šaponjić, Zoran

(2017)

TY  - JOUR
AU  - Vranješ, Mila
AU  - Kuljanin-Jakovljević, Jadranka Ž.
AU  - Konstantinović, Zorica
AU  - Pomar, Alberto
AU  - Stoiljković, Milovan
AU  - Mitrić, Miodrag
AU  - Radetić, Tamara
AU  - Šaponjić, Zoran
PY  - 2017
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1792
AB  - Co2+ doped TiO2 nanocrystals were synthetized by a hydrothermal treatment procedure applied to precursor dispersion of titania nanotubes and Co2+ ions. Mixture of polygonal and prolate spheroid-like nanocrystals was obtained. The results of X-ray diffraction (XRD) analysis showed that resulted nanocrystals retain anatase crystal phase for both dopant concentrations (1.69 and 2.5 at%), but the crystal lattice parameters were affected. Reflection spectra revealed altered optical properties compared to bare TiO2. Room temperature ferromagnetic ordering with saturation magnetic moment in the range of 0.001-0.002 mu (B)/Co was observed for both measured films made of Co2+ doped TiO2 nanocrystals.
T2  - Journal of Advanced Ceramics
T1  - Shaped Co2+ doped TiO2 nanocrystals synthesized from nanotubular precursor: Structure and ferromagnetic behavior
VL  - 6
IS  - 3
SP  - 220
EP  - 229
DO  - 10.1007/s40145-017-0233-5
ER  - 
@article{
author = "Vranješ, Mila and Kuljanin-Jakovljević, Jadranka Ž. and Konstantinović, Zorica and Pomar, Alberto and Stoiljković, Milovan and Mitrić, Miodrag and Radetić, Tamara and Šaponjić, Zoran",
year = "2017",
abstract = "Co2+ doped TiO2 nanocrystals were synthetized by a hydrothermal treatment procedure applied to precursor dispersion of titania nanotubes and Co2+ ions. Mixture of polygonal and prolate spheroid-like nanocrystals was obtained. The results of X-ray diffraction (XRD) analysis showed that resulted nanocrystals retain anatase crystal phase for both dopant concentrations (1.69 and 2.5 at%), but the crystal lattice parameters were affected. Reflection spectra revealed altered optical properties compared to bare TiO2. Room temperature ferromagnetic ordering with saturation magnetic moment in the range of 0.001-0.002 mu (B)/Co was observed for both measured films made of Co2+ doped TiO2 nanocrystals.",
journal = "Journal of Advanced Ceramics",
title = "Shaped Co2+ doped TiO2 nanocrystals synthesized from nanotubular precursor: Structure and ferromagnetic behavior",
volume = "6",
number = "3",
pages = "220-229",
doi = "10.1007/s40145-017-0233-5"
}
Vranješ, M., Kuljanin-Jakovljević, J. Ž., Konstantinović, Z., Pomar, A., Stoiljković, M., Mitrić, M., Radetić, T.,& Šaponjić, Z.. (2017). Shaped Co2+ doped TiO2 nanocrystals synthesized from nanotubular precursor: Structure and ferromagnetic behavior. in Journal of Advanced Ceramics, 6(3), 220-229.
https://doi.org/10.1007/s40145-017-0233-5
Vranješ M, Kuljanin-Jakovljević JŽ, Konstantinović Z, Pomar A, Stoiljković M, Mitrić M, Radetić T, Šaponjić Z. Shaped Co2+ doped TiO2 nanocrystals synthesized from nanotubular precursor: Structure and ferromagnetic behavior. in Journal of Advanced Ceramics. 2017;6(3):220-229.
doi:10.1007/s40145-017-0233-5 .
Vranješ, Mila, Kuljanin-Jakovljević, Jadranka Ž., Konstantinović, Zorica, Pomar, Alberto, Stoiljković, Milovan, Mitrić, Miodrag, Radetić, Tamara, Šaponjić, Zoran, "Shaped Co2+ doped TiO2 nanocrystals synthesized from nanotubular precursor: Structure and ferromagnetic behavior" in Journal of Advanced Ceramics, 6, no. 3 (2017):220-229,
https://doi.org/10.1007/s40145-017-0233-5 . .
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Ferromagnetic behavior of Mn2+ doped titania nanotubes

Vranješ, Mila; Kuljanin-Jakovljević, Jadranka Ž.; Konstantinović, Zorica; Radetić, Tamara; Stoiljković, Milovan; Mitrić, Miodrag; Šaponjić, Zoran

(Society of Physical Chemists of Serbia, 2016)

TY  - CONF
AU  - Vranješ, Mila
AU  - Kuljanin-Jakovljević, Jadranka Ž.
AU  - Konstantinović, Zorica
AU  - Radetić, Tamara
AU  - Stoiljković, Milovan
AU  - Mitrić, Miodrag
AU  - Šaponjić, Zoran
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9213
AB  - Hydrothermal synthesis of Mn doped titaniananotubes, which showed room temperature  ferromagnetism  (RTFM)is  reported.  Morphology  of  Mn  doped nanotubes  was  characterized  by  transmission  electron  microscopy  (TEM). The  size  of  nanotubes  was  relatively  uniform  with  outer  diameter  of  about 10  nm  and  lengths  of  up  to  few  hundred  nanometers.  The  x-ray  powder diffraction  (XRPD)  analysis  of  resultant  powder  confirmed  the  appearance of   mixed   crystalline   phases   inMn   doped   nanotubes:hydrogentitanate (H2Ti2O5x   H2O)and   tetragonal   anatasetitania.   RTFM   ordering   with saturation magnetic moment (Ms) of the order of 1.27 μBperMn atom was observed.
PB  - Society of Physical Chemists of Serbia
C3  - Physical chemistry 2016 : 13th international conference on fundamental and applied aspects of physical chemistry
T1  - Ferromagnetic behavior of Mn2+ doped titania nanotubes
SP  - 521
EP  - 524
UR  - https://hdl.handle.net/21.15107/rcub_vinar_9213
ER  - 
@conference{
author = "Vranješ, Mila and Kuljanin-Jakovljević, Jadranka Ž. and Konstantinović, Zorica and Radetić, Tamara and Stoiljković, Milovan and Mitrić, Miodrag and Šaponjić, Zoran",
year = "2016",
abstract = "Hydrothermal synthesis of Mn doped titaniananotubes, which showed room temperature  ferromagnetism  (RTFM)is  reported.  Morphology  of  Mn  doped nanotubes  was  characterized  by  transmission  electron  microscopy  (TEM). The  size  of  nanotubes  was  relatively  uniform  with  outer  diameter  of  about 10  nm  and  lengths  of  up  to  few  hundred  nanometers.  The  x-ray  powder diffraction  (XRPD)  analysis  of  resultant  powder  confirmed  the  appearance of   mixed   crystalline   phases   inMn   doped   nanotubes:hydrogentitanate (H2Ti2O5x   H2O)and   tetragonal   anatasetitania.   RTFM   ordering   with saturation magnetic moment (Ms) of the order of 1.27 μBperMn atom was observed.",
publisher = "Society of Physical Chemists of Serbia",
journal = "Physical chemistry 2016 : 13th international conference on fundamental and applied aspects of physical chemistry",
title = "Ferromagnetic behavior of Mn2+ doped titania nanotubes",
pages = "521-524",
url = "https://hdl.handle.net/21.15107/rcub_vinar_9213"
}
Vranješ, M., Kuljanin-Jakovljević, J. Ž., Konstantinović, Z., Radetić, T., Stoiljković, M., Mitrić, M.,& Šaponjić, Z.. (2016). Ferromagnetic behavior of Mn2+ doped titania nanotubes. in Physical chemistry 2016 : 13th international conference on fundamental and applied aspects of physical chemistry
Society of Physical Chemists of Serbia., 521-524.
https://hdl.handle.net/21.15107/rcub_vinar_9213
Vranješ M, Kuljanin-Jakovljević JŽ, Konstantinović Z, Radetić T, Stoiljković M, Mitrić M, Šaponjić Z. Ferromagnetic behavior of Mn2+ doped titania nanotubes. in Physical chemistry 2016 : 13th international conference on fundamental and applied aspects of physical chemistry. 2016;:521-524.
https://hdl.handle.net/21.15107/rcub_vinar_9213 .
Vranješ, Mila, Kuljanin-Jakovljević, Jadranka Ž., Konstantinović, Zorica, Radetić, Tamara, Stoiljković, Milovan, Mitrić, Miodrag, Šaponjić, Zoran, "Ferromagnetic behavior of Mn2+ doped titania nanotubes" in Physical chemistry 2016 : 13th international conference on fundamental and applied aspects of physical chemistry (2016):521-524,
https://hdl.handle.net/21.15107/rcub_vinar_9213 .

Room temperature ferromagnetism in Cu2+ doped TiO2 nanocrystals: The impact of their size, shape and dopant concentration

Vranješ, Mila; Kuljanin-Jakovljević, Jadranka Ž.; Konstantinović, Zorica; Pomar, Alberto; Ahrenkiel, Scott Phillip; Radetić, Tamara; Stoiljković, Milovan; Mitrić, Miodrag; Šaponjić, Zoran

(Elsevier, 2016)

TY  - JOUR
AU  - Vranješ, Mila
AU  - Kuljanin-Jakovljević, Jadranka Ž.
AU  - Konstantinović, Zorica
AU  - Pomar, Alberto
AU  - Ahrenkiel, Scott Phillip
AU  - Radetić, Tamara
AU  - Stoiljković, Milovan
AU  - Mitrić, Miodrag
AU  - Šaponjić, Zoran
PY  - 2016
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/1024
AB  - Cu2+ doped TiO2 nanocrystals were synthesized using dispersions of titania nanotubes in the presence of Cu2+ ions as a precursors. The morphologies of nanotubular titania precursors and resulted Cu2+ doped TiO2 nanocrystals were characterized by TEM. Structural and optical properties were studied by XRPD analysis and UV-vis spectroscopy in reflectance mode, respectively. Their magnetic properties were investigated using SQUID magnetometer. Tetragonal anatase crystalline structure was confirmed in all synthesized samples. Polygonal (d similar to 15 nm) and spheroid like (length, up to 90 nm) Cu2+ doped TiO2 nanocrystals in samples synthesized at different pHs were observed by TEM. Ferromagnetic ordering with almost closed loop (H-c similar to 200 Oe) was detected in all Cu2+ doped TiO2 nanoparticle films. The saturation magnetization values varied depending on the Cu2+ concentration, nanoparticles shape, size and consequently different number of oxygen vacancies. This study revealed possibility to control magnetic ordering by changing the shape/aspect ratio of Cu2+ doped TiO2 nanocrystals. (C) 2015 Elsevier Ltd. All rights reserved.
PB  - Elsevier
T2  - Materials Research Bulletin
T1  - Room temperature ferromagnetism in Cu2+ doped TiO2 nanocrystals: The impact of their size, shape and dopant concentration
VL  - 76
SP  - 100
EP  - 106
DO  - 10.1016/j.materresbull.2015.11.051
ER  - 
@article{
author = "Vranješ, Mila and Kuljanin-Jakovljević, Jadranka Ž. and Konstantinović, Zorica and Pomar, Alberto and Ahrenkiel, Scott Phillip and Radetić, Tamara and Stoiljković, Milovan and Mitrić, Miodrag and Šaponjić, Zoran",
year = "2016",
abstract = "Cu2+ doped TiO2 nanocrystals were synthesized using dispersions of titania nanotubes in the presence of Cu2+ ions as a precursors. The morphologies of nanotubular titania precursors and resulted Cu2+ doped TiO2 nanocrystals were characterized by TEM. Structural and optical properties were studied by XRPD analysis and UV-vis spectroscopy in reflectance mode, respectively. Their magnetic properties were investigated using SQUID magnetometer. Tetragonal anatase crystalline structure was confirmed in all synthesized samples. Polygonal (d similar to 15 nm) and spheroid like (length, up to 90 nm) Cu2+ doped TiO2 nanocrystals in samples synthesized at different pHs were observed by TEM. Ferromagnetic ordering with almost closed loop (H-c similar to 200 Oe) was detected in all Cu2+ doped TiO2 nanoparticle films. The saturation magnetization values varied depending on the Cu2+ concentration, nanoparticles shape, size and consequently different number of oxygen vacancies. This study revealed possibility to control magnetic ordering by changing the shape/aspect ratio of Cu2+ doped TiO2 nanocrystals. (C) 2015 Elsevier Ltd. All rights reserved.",
publisher = "Elsevier",
journal = "Materials Research Bulletin",
title = "Room temperature ferromagnetism in Cu2+ doped TiO2 nanocrystals: The impact of their size, shape and dopant concentration",
volume = "76",
pages = "100-106",
doi = "10.1016/j.materresbull.2015.11.051"
}
Vranješ, M., Kuljanin-Jakovljević, J. Ž., Konstantinović, Z., Pomar, A., Ahrenkiel, S. P., Radetić, T., Stoiljković, M., Mitrić, M.,& Šaponjić, Z.. (2016). Room temperature ferromagnetism in Cu2+ doped TiO2 nanocrystals: The impact of their size, shape and dopant concentration. in Materials Research Bulletin
Elsevier., 76, 100-106.
https://doi.org/10.1016/j.materresbull.2015.11.051
Vranješ M, Kuljanin-Jakovljević JŽ, Konstantinović Z, Pomar A, Ahrenkiel SP, Radetić T, Stoiljković M, Mitrić M, Šaponjić Z. Room temperature ferromagnetism in Cu2+ doped TiO2 nanocrystals: The impact of their size, shape and dopant concentration. in Materials Research Bulletin. 2016;76:100-106.
doi:10.1016/j.materresbull.2015.11.051 .
Vranješ, Mila, Kuljanin-Jakovljević, Jadranka Ž., Konstantinović, Zorica, Pomar, Alberto, Ahrenkiel, Scott Phillip, Radetić, Tamara, Stoiljković, Milovan, Mitrić, Miodrag, Šaponjić, Zoran, "Room temperature ferromagnetism in Cu2+ doped TiO2 nanocrystals: The impact of their size, shape and dopant concentration" in Materials Research Bulletin, 76 (2016):100-106,
https://doi.org/10.1016/j.materresbull.2015.11.051 . .
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Suitability of TiO2 nanoparticles and prolate nanospheroids for laser desorption/ionization mass spectrometric characterization of bipyridine-containing complexes

Popović, Iva A.; Nešić, Maja D.; Nišavić, Marija; Vranješ, Mila; Radetić, Tamara; Šaponjić, Zoran; Masnikosa, Romana; Petković, Marijana

(2015)

TY  - JOUR
AU  - Popović, Iva A.
AU  - Nešić, Maja D.
AU  - Nišavić, Marija
AU  - Vranješ, Mila
AU  - Radetić, Tamara
AU  - Šaponjić, Zoran
AU  - Masnikosa, Romana
AU  - Petković, Marijana
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/544
AB  - Nanostructured materials as substrates for surface-assisted laser desorption and ionization time-of-flight mass spectrometry have two main advantages such as small number of signals in the low mass range and salt tolerance. We have also previously observed decreased extent of undesired fragmentation of bipyridine-containing transition metal complexes in the presence of TiO2 nanoparticles (NPs). In this work, we extended our previous study and tested whether both TiO2 NPs and TiO2 prolate nanospheroids (PNSs) can be used as substrates for SALDI-MS of bipyridine-containing transition metal complexes and whether they tolerate intense laser and the presence of inorganic salts. TiO2 NPs (an average diameter of 5 nm) and PNSs (length: 40-50 nm, the lateral dimension: 14-16 nm) were characterized microscopically and their mass spectra were analyzed, as well as the spectra of bipyridine-containing Pt(II) and Ru(III) complexes. Our results show that seven times higher analyte signals can be obtained in the presence of PNSs compared to the signals acquired with NPs and three times higher compared to spectra acquired without a substrate. The presence of inorganic salt did not affect the spectra, which makes both TiO2 nanocrystals suitable for MS analysis of transition metal complexes in biological fluids. (C) 2015 Elsevier B.V. All rights reserved.
T2  - Materials Letters
T1  - Suitability of TiO2 nanoparticles and prolate nanospheroids for laser desorption/ionization mass spectrometric characterization of bipyridine-containing complexes
VL  - 150
SP  - 84
EP  - 88
DO  - 10.1016/j.matlet.2015.03.004
ER  - 
@article{
author = "Popović, Iva A. and Nešić, Maja D. and Nišavić, Marija and Vranješ, Mila and Radetić, Tamara and Šaponjić, Zoran and Masnikosa, Romana and Petković, Marijana",
year = "2015",
abstract = "Nanostructured materials as substrates for surface-assisted laser desorption and ionization time-of-flight mass spectrometry have two main advantages such as small number of signals in the low mass range and salt tolerance. We have also previously observed decreased extent of undesired fragmentation of bipyridine-containing transition metal complexes in the presence of TiO2 nanoparticles (NPs). In this work, we extended our previous study and tested whether both TiO2 NPs and TiO2 prolate nanospheroids (PNSs) can be used as substrates for SALDI-MS of bipyridine-containing transition metal complexes and whether they tolerate intense laser and the presence of inorganic salts. TiO2 NPs (an average diameter of 5 nm) and PNSs (length: 40-50 nm, the lateral dimension: 14-16 nm) were characterized microscopically and their mass spectra were analyzed, as well as the spectra of bipyridine-containing Pt(II) and Ru(III) complexes. Our results show that seven times higher analyte signals can be obtained in the presence of PNSs compared to the signals acquired with NPs and three times higher compared to spectra acquired without a substrate. The presence of inorganic salt did not affect the spectra, which makes both TiO2 nanocrystals suitable for MS analysis of transition metal complexes in biological fluids. (C) 2015 Elsevier B.V. All rights reserved.",
journal = "Materials Letters",
title = "Suitability of TiO2 nanoparticles and prolate nanospheroids for laser desorption/ionization mass spectrometric characterization of bipyridine-containing complexes",
volume = "150",
pages = "84-88",
doi = "10.1016/j.matlet.2015.03.004"
}
Popović, I. A., Nešić, M. D., Nišavić, M., Vranješ, M., Radetić, T., Šaponjić, Z., Masnikosa, R.,& Petković, M.. (2015). Suitability of TiO2 nanoparticles and prolate nanospheroids for laser desorption/ionization mass spectrometric characterization of bipyridine-containing complexes. in Materials Letters, 150, 84-88.
https://doi.org/10.1016/j.matlet.2015.03.004
Popović IA, Nešić MD, Nišavić M, Vranješ M, Radetić T, Šaponjić Z, Masnikosa R, Petković M. Suitability of TiO2 nanoparticles and prolate nanospheroids for laser desorption/ionization mass spectrometric characterization of bipyridine-containing complexes. in Materials Letters. 2015;150:84-88.
doi:10.1016/j.matlet.2015.03.004 .
Popović, Iva A., Nešić, Maja D., Nišavić, Marija, Vranješ, Mila, Radetić, Tamara, Šaponjić, Zoran, Masnikosa, Romana, Petković, Marijana, "Suitability of TiO2 nanoparticles and prolate nanospheroids for laser desorption/ionization mass spectrometric characterization of bipyridine-containing complexes" in Materials Letters, 150 (2015):84-88,
https://doi.org/10.1016/j.matlet.2015.03.004 . .
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12

Negative influence of Ag and TiO2 nanoparticles on biodegradation of cotton fabrics

Lazić, Vesna M.; Radoičić, Marija B.; Šaponjić, Zoran; Radetić, Tamara; Vodnik, Vesna; Nikolić, Svetlana; Dimitrijević, Suzana I.; Radetić, Maja M.

(2015)

TY  - JOUR
AU  - Lazić, Vesna M.
AU  - Radoičić, Marija B.
AU  - Šaponjić, Zoran
AU  - Radetić, Tamara
AU  - Vodnik, Vesna
AU  - Nikolić, Svetlana
AU  - Dimitrijević, Suzana I.
AU  - Radetić, Maja M.
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/438
AB  - Recently, many efforts have been made to efficiently impregnate different textile materials with metal and metal oxide nanoparticles in order to provide antimicrobial, UV protective or self-cleaning properties. Evidence of their environmental risks is limited at this point. The aim of this study was to explore the influence of Ag and TiO2 nanoparticles on biodegradation of cotton fabrics. Biodegradation behavior of cotton fabrics impregnated with Ag and TiO2 NPs from colloidal solutions of different concentrations was assessed according to standard test method ASTM 5988-03 and soil burial test. Degradation of cotton fabrics was also evaluated by enzymatic hydrolysis with cellulase. The morphology of fibers affected by biodegradation was analyzed by scanning electron microscopy (SEM). In order to get better insight into biodegradation process, dehydrogenase activity of soil has been determined. Ag and particularly TiO2 nanoparticles suppressed the biodegradation of cotton fabrics. The dehydrogenase activity of soil with cotton fabrics impregnated with TiO2 nanoparticles was the weakest. Severe damage of cotton fibers during the biodegradation process was confirmed by SEM.
T2  - Cellulose
T1  - Negative influence of Ag and TiO2 nanoparticles on biodegradation of cotton fabrics
VL  - 22
IS  - 2
SP  - 1365
EP  - 1378
DO  - 10.1007/s10570-015-0549-7
ER  - 
@article{
author = "Lazić, Vesna M. and Radoičić, Marija B. and Šaponjić, Zoran and Radetić, Tamara and Vodnik, Vesna and Nikolić, Svetlana and Dimitrijević, Suzana I. and Radetić, Maja M.",
year = "2015",
abstract = "Recently, many efforts have been made to efficiently impregnate different textile materials with metal and metal oxide nanoparticles in order to provide antimicrobial, UV protective or self-cleaning properties. Evidence of their environmental risks is limited at this point. The aim of this study was to explore the influence of Ag and TiO2 nanoparticles on biodegradation of cotton fabrics. Biodegradation behavior of cotton fabrics impregnated with Ag and TiO2 NPs from colloidal solutions of different concentrations was assessed according to standard test method ASTM 5988-03 and soil burial test. Degradation of cotton fabrics was also evaluated by enzymatic hydrolysis with cellulase. The morphology of fibers affected by biodegradation was analyzed by scanning electron microscopy (SEM). In order to get better insight into biodegradation process, dehydrogenase activity of soil has been determined. Ag and particularly TiO2 nanoparticles suppressed the biodegradation of cotton fabrics. The dehydrogenase activity of soil with cotton fabrics impregnated with TiO2 nanoparticles was the weakest. Severe damage of cotton fibers during the biodegradation process was confirmed by SEM.",
journal = "Cellulose",
title = "Negative influence of Ag and TiO2 nanoparticles on biodegradation of cotton fabrics",
volume = "22",
number = "2",
pages = "1365-1378",
doi = "10.1007/s10570-015-0549-7"
}
Lazić, V. M., Radoičić, M. B., Šaponjić, Z., Radetić, T., Vodnik, V., Nikolić, S., Dimitrijević, S. I.,& Radetić, M. M.. (2015). Negative influence of Ag and TiO2 nanoparticles on biodegradation of cotton fabrics. in Cellulose, 22(2), 1365-1378.
https://doi.org/10.1007/s10570-015-0549-7
Lazić VM, Radoičić MB, Šaponjić Z, Radetić T, Vodnik V, Nikolić S, Dimitrijević SI, Radetić MM. Negative influence of Ag and TiO2 nanoparticles on biodegradation of cotton fabrics. in Cellulose. 2015;22(2):1365-1378.
doi:10.1007/s10570-015-0549-7 .
Lazić, Vesna M., Radoičić, Marija B., Šaponjić, Zoran, Radetić, Tamara, Vodnik, Vesna, Nikolić, Svetlana, Dimitrijević, Suzana I., Radetić, Maja M., "Negative influence of Ag and TiO2 nanoparticles on biodegradation of cotton fabrics" in Cellulose, 22, no. 2 (2015):1365-1378,
https://doi.org/10.1007/s10570-015-0549-7 . .
16
16
20

Sonophotocatalytic degradation of dye CI Acid Orange 7 by TiO2 and Ag nanoparticles immobilized on corona pretreated polypropylene non-woven fabric

Marković, Darka; Šaponjić, Zoran; Radoičić, Marija B.; Radetić, Tamara; Vodnik, Vesna; Potkonjak, Branislav; Radetić, Maja M.

(2015)

TY  - JOUR
AU  - Marković, Darka
AU  - Šaponjić, Zoran
AU  - Radoičić, Marija B.
AU  - Radetić, Tamara
AU  - Vodnik, Vesna
AU  - Potkonjak, Branislav
AU  - Radetić, Maja M.
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/411
AB  - This study discusses the possibility of using corona pre-treated polypropylene (PP) non-woven fabric as a support for immobilization of colloidal TiO2 and Ag nanoparticles in order to remove dye C.I. Acid Orange 7 from aqueous solution. Dye removal efficiency by sonocatalysis, photocatalysis and sonophotocatalysis was evaluated on corona pre-treated fabric loaded with TiO2 nanoparticles, corona pre-treated fabric double loaded with TiO2 nanoparticles and corona pre-treated fabrics loaded with TiO2 nanoparticles before and after deposition of Ag nanoparticles. In addition, the stability of PP non-woven fabric during these processes was investigated. The substrates were characterized by SEM, EDX and AAS analyses. The change of the dye concentration was evaluated by UV-VIS spectrophotometry. Unlike sonocatalysis and photocatalysis, complete dye removal from both solution and non-woven fabric was obtained already after 240-270 min of sonophotocatalysis. Corona pre-treated PP non-woven fabric loaded with Ag nanoparticles prior to deposition of TiO2 nanoparticles provided excellent degradation efficiency and superior reusability. Sonophotocatalytic degradation of dye in the presence of all investigated samples was the most prominent in acidic conditions. Although this nanocomposite system ensured fast discoloration of dye solution, TOC values of water measured after sonophotocatalysis were not satisfactory because of PP degradation. Therefore, it is suggested to include TOC evaluation in each case study where different supports for TiO2 nanoparticles are used since these nanoparticles may guarantee the dye removal from solution but the stability of support could be problematic causing even more serious environmental impact. (C) 2014 Elsevier B.V. All rights reserved.
T2  - Ultrasonics Sonochemistry
T1  - Sonophotocatalytic degradation of dye CI Acid Orange 7 by TiO2 and Ag nanoparticles immobilized on corona pretreated polypropylene non-woven fabric
VL  - 24
SP  - 221
EP  - 229
DO  - 10.1016/j.ultsonch.2014.11.017
ER  - 
@article{
author = "Marković, Darka and Šaponjić, Zoran and Radoičić, Marija B. and Radetić, Tamara and Vodnik, Vesna and Potkonjak, Branislav and Radetić, Maja M.",
year = "2015",
abstract = "This study discusses the possibility of using corona pre-treated polypropylene (PP) non-woven fabric as a support for immobilization of colloidal TiO2 and Ag nanoparticles in order to remove dye C.I. Acid Orange 7 from aqueous solution. Dye removal efficiency by sonocatalysis, photocatalysis and sonophotocatalysis was evaluated on corona pre-treated fabric loaded with TiO2 nanoparticles, corona pre-treated fabric double loaded with TiO2 nanoparticles and corona pre-treated fabrics loaded with TiO2 nanoparticles before and after deposition of Ag nanoparticles. In addition, the stability of PP non-woven fabric during these processes was investigated. The substrates were characterized by SEM, EDX and AAS analyses. The change of the dye concentration was evaluated by UV-VIS spectrophotometry. Unlike sonocatalysis and photocatalysis, complete dye removal from both solution and non-woven fabric was obtained already after 240-270 min of sonophotocatalysis. Corona pre-treated PP non-woven fabric loaded with Ag nanoparticles prior to deposition of TiO2 nanoparticles provided excellent degradation efficiency and superior reusability. Sonophotocatalytic degradation of dye in the presence of all investigated samples was the most prominent in acidic conditions. Although this nanocomposite system ensured fast discoloration of dye solution, TOC values of water measured after sonophotocatalysis were not satisfactory because of PP degradation. Therefore, it is suggested to include TOC evaluation in each case study where different supports for TiO2 nanoparticles are used since these nanoparticles may guarantee the dye removal from solution but the stability of support could be problematic causing even more serious environmental impact. (C) 2014 Elsevier B.V. All rights reserved.",
journal = "Ultrasonics Sonochemistry",
title = "Sonophotocatalytic degradation of dye CI Acid Orange 7 by TiO2 and Ag nanoparticles immobilized on corona pretreated polypropylene non-woven fabric",
volume = "24",
pages = "221-229",
doi = "10.1016/j.ultsonch.2014.11.017"
}
Marković, D., Šaponjić, Z., Radoičić, M. B., Radetić, T., Vodnik, V., Potkonjak, B.,& Radetić, M. M.. (2015). Sonophotocatalytic degradation of dye CI Acid Orange 7 by TiO2 and Ag nanoparticles immobilized on corona pretreated polypropylene non-woven fabric. in Ultrasonics Sonochemistry, 24, 221-229.
https://doi.org/10.1016/j.ultsonch.2014.11.017
Marković D, Šaponjić Z, Radoičić MB, Radetić T, Vodnik V, Potkonjak B, Radetić MM. Sonophotocatalytic degradation of dye CI Acid Orange 7 by TiO2 and Ag nanoparticles immobilized on corona pretreated polypropylene non-woven fabric. in Ultrasonics Sonochemistry. 2015;24:221-229.
doi:10.1016/j.ultsonch.2014.11.017 .
Marković, Darka, Šaponjić, Zoran, Radoičić, Marija B., Radetić, Tamara, Vodnik, Vesna, Potkonjak, Branislav, Radetić, Maja M., "Sonophotocatalytic degradation of dye CI Acid Orange 7 by TiO2 and Ag nanoparticles immobilized on corona pretreated polypropylene non-woven fabric" in Ultrasonics Sonochemistry, 24 (2015):221-229,
https://doi.org/10.1016/j.ultsonch.2014.11.017 . .
42
29
40

Ex-situ sensitization of ordered TiO2 nanotubes with CdS quantum dots

Bjelajac, Anđelika; Petrović, Rada; Nedeljković, Jovan; Đokić, Veljko R.; Radetić, Tamara; Ćirković, Jovana; Janaćković, Đorđe T.

(2015)

TY  - JOUR
AU  - Bjelajac, Anđelika
AU  - Petrović, Rada
AU  - Nedeljković, Jovan
AU  - Đokić, Veljko R.
AU  - Radetić, Tamara
AU  - Ćirković, Jovana
AU  - Janaćković, Đorđe T.
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/506
AB  - Ordered titania nanotubes (pore diameter approximate to 90 nm and wall thickness approximate to 10 nm) were obtained by the anodization technique and used for the ex-situ deposition of cadmium sulfide quantum dots (CdS QDs) via simple immersion of titania substrates in the CdS colloid. The colloidal dispersion of CdS nanoparticles in water was obtained in the presence of the bifunctional ligand, mercapto silane, which binds to the surface of CdS providing stability to the colloid and preventing further growth of the synthesized nanoparticles. The blue-shift of the optical absorption indicated that the CdS nanoparticles were of quantum dot size. Using the effective mass model, the average particle size was calculated to be 5.4 nm. Transmission electron microscopy provided the verification for the estimated size of the nanoparticles, which was followed by performing selected area electron diffraction to determine the mixed phase (cubic and hexagonal) of the synthesized CdS QDs. Scanning electron microscopy and reflectance spectroscopy were employed to characterize the nanostructures consisting of TiO2 nanotubes with different loadings of CdS QDs (after 24 h and 72 h immersion). It was demonstrated that mercapto silane efficiently binds CdS QDs onto TiO2 nanotubes enabling Visible-light response of the obtained nanocomposites. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
T2  - Ceramics International
T1  - Ex-situ sensitization of ordered TiO2 nanotubes with CdS quantum dots
VL  - 41
IS  - 5
SP  - 7048
EP  - 7053
DO  - 10.1016/j.ceramint.2015.02.010
ER  - 
@article{
author = "Bjelajac, Anđelika and Petrović, Rada and Nedeljković, Jovan and Đokić, Veljko R. and Radetić, Tamara and Ćirković, Jovana and Janaćković, Đorđe T.",
year = "2015",
abstract = "Ordered titania nanotubes (pore diameter approximate to 90 nm and wall thickness approximate to 10 nm) were obtained by the anodization technique and used for the ex-situ deposition of cadmium sulfide quantum dots (CdS QDs) via simple immersion of titania substrates in the CdS colloid. The colloidal dispersion of CdS nanoparticles in water was obtained in the presence of the bifunctional ligand, mercapto silane, which binds to the surface of CdS providing stability to the colloid and preventing further growth of the synthesized nanoparticles. The blue-shift of the optical absorption indicated that the CdS nanoparticles were of quantum dot size. Using the effective mass model, the average particle size was calculated to be 5.4 nm. Transmission electron microscopy provided the verification for the estimated size of the nanoparticles, which was followed by performing selected area electron diffraction to determine the mixed phase (cubic and hexagonal) of the synthesized CdS QDs. Scanning electron microscopy and reflectance spectroscopy were employed to characterize the nanostructures consisting of TiO2 nanotubes with different loadings of CdS QDs (after 24 h and 72 h immersion). It was demonstrated that mercapto silane efficiently binds CdS QDs onto TiO2 nanotubes enabling Visible-light response of the obtained nanocomposites. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.",
journal = "Ceramics International",
title = "Ex-situ sensitization of ordered TiO2 nanotubes with CdS quantum dots",
volume = "41",
number = "5",
pages = "7048-7053",
doi = "10.1016/j.ceramint.2015.02.010"
}
Bjelajac, A., Petrović, R., Nedeljković, J., Đokić, V. R., Radetić, T., Ćirković, J.,& Janaćković, Đ. T.. (2015). Ex-situ sensitization of ordered TiO2 nanotubes with CdS quantum dots. in Ceramics International, 41(5), 7048-7053.
https://doi.org/10.1016/j.ceramint.2015.02.010
Bjelajac A, Petrović R, Nedeljković J, Đokić VR, Radetić T, Ćirković J, Janaćković ĐT. Ex-situ sensitization of ordered TiO2 nanotubes with CdS quantum dots. in Ceramics International. 2015;41(5):7048-7053.
doi:10.1016/j.ceramint.2015.02.010 .
Bjelajac, Anđelika, Petrović, Rada, Nedeljković, Jovan, Đokić, Veljko R., Radetić, Tamara, Ćirković, Jovana, Janaćković, Đorđe T., "Ex-situ sensitization of ordered TiO2 nanotubes with CdS quantum dots" in Ceramics International, 41, no. 5 (2015):7048-7053,
https://doi.org/10.1016/j.ceramint.2015.02.010 . .
8
5
8

Spherical assemblies of titania nanotubes generated through aerosol processing

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

(2015)

TY  - JOUR
AU  - Jovanović, Dragana J.
AU  - Dugandžić, Ivan
AU  - Ćirić-Marjanović, Gordana N.
AU  - Radetić, Tamara
AU  - Ahrenkiel, Scott Phillip
AU  - Milošević, Olivera
AU  - Nedeljković, Jovan
AU  - Šaponjić, Zoran
AU  - Mančić, Lidija
PY  - 2015
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/771
AB  - We report on the possibility to build hierarchically organized three-dimensional (3D) titania spherical particles having high surface-to-volume-ratio, by aerosol processing of nanotubular building blocks. Morphology and crystal structure of titania based spherical assemblies, obtained in the temperature range from 150 to 650 degrees C, were characterized by means of scanning and transmission electron microscopy, x-ray powder diffraction and Raman spectroscopy. Initial shape of 1D building units, nanotubes, was well preserved in the spherical assemblies processed at 150 and 450 degrees C. Processing at 650 degrees C resulted in a collapse of the nanotubular building blocks and formation of the assemblies of irregularly shaped TiO2 nanoparticles. Structural analysis revealed several phase transitions in titania spherical assemblies in course with the temperature increase indicating possibility of in-situ phase composition adjustment during aerosol processing. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
T2  - Ceramics International
T1  - Spherical assemblies of titania nanotubes generated through aerosol processing
VL  - 41
IS  - 10
SP  - 14754
EP  - 14759
DO  - 10.1016/j.ceramint.2015.07.205
ER  - 
@article{
author = "Jovanović, Dragana J. and Dugandžić, Ivan and Ćirić-Marjanović, Gordana N. and Radetić, Tamara and Ahrenkiel, Scott Phillip and Milošević, Olivera and Nedeljković, Jovan and Šaponjić, Zoran and Mančić, Lidija",
year = "2015",
abstract = "We report on the possibility to build hierarchically organized three-dimensional (3D) titania spherical particles having high surface-to-volume-ratio, by aerosol processing of nanotubular building blocks. Morphology and crystal structure of titania based spherical assemblies, obtained in the temperature range from 150 to 650 degrees C, were characterized by means of scanning and transmission electron microscopy, x-ray powder diffraction and Raman spectroscopy. Initial shape of 1D building units, nanotubes, was well preserved in the spherical assemblies processed at 150 and 450 degrees C. Processing at 650 degrees C resulted in a collapse of the nanotubular building blocks and formation of the assemblies of irregularly shaped TiO2 nanoparticles. Structural analysis revealed several phase transitions in titania spherical assemblies in course with the temperature increase indicating possibility of in-situ phase composition adjustment during aerosol processing. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.",
journal = "Ceramics International",
title = "Spherical assemblies of titania nanotubes generated through aerosol processing",
volume = "41",
number = "10",
pages = "14754-14759",
doi = "10.1016/j.ceramint.2015.07.205"
}
Jovanović, D. J., Dugandžić, I., Ćirić-Marjanović, G. N., Radetić, T., Ahrenkiel, S. P., Milošević, O., Nedeljković, J., Šaponjić, Z.,& Mančić, L.. (2015). Spherical assemblies of titania nanotubes generated through aerosol processing. in Ceramics International, 41(10), 14754-14759.
https://doi.org/10.1016/j.ceramint.2015.07.205
Jovanović DJ, Dugandžić I, Ćirić-Marjanović GN, Radetić T, Ahrenkiel SP, Milošević O, Nedeljković J, Šaponjić Z, Mančić L. Spherical assemblies of titania nanotubes generated through aerosol processing. in Ceramics International. 2015;41(10):14754-14759.
doi:10.1016/j.ceramint.2015.07.205 .
Jovanović, Dragana J., Dugandžić, Ivan, Ćirić-Marjanović, Gordana N., Radetić, Tamara, Ahrenkiel, Scott Phillip, Milošević, Olivera, Nedeljković, Jovan, Šaponjić, Zoran, Mančić, Lidija, "Spherical assemblies of titania nanotubes generated through aerosol processing" in Ceramics International, 41, no. 10 (2015):14754-14759,
https://doi.org/10.1016/j.ceramint.2015.07.205 . .
1
3
2
3

Room temperature ferromagnetism in Cu2+ doped TiO2 nanocrystals

Vranješ, Mila; Kuljanin-Jakovljević, Jadranka Ž.; Konstantinović, Zorica; Radetić, Tamara; Stoiljković, Milovan; Šaponjić, Zoran

(Society of Physical Chemists of Serbia, 2014)

TY  - CONF
AU  - Vranješ, Mila
AU  - Kuljanin-Jakovljević, Jadranka Ž.
AU  - Konstantinović, Zorica
AU  - Radetić, Tamara
AU  - Stoiljković, Milovan
AU  - Šaponjić, Zoran
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9233
AB  - Hydrothermal synthesis of Cu2+ doped TiO2 nanocrystals, using dispersion
of titania nanotubes in the presence of Cu2+ ions as precursor, which showed
room temperature ferromagnetism, is reported. Morphology of Cu2+ doped
TiO2 nanocrystals was characterized by transmission electron microscopy
(TEM). An average size of polygonal nanocrystals mainly of
square/rectangular shape was around 13 nm. The x-ray powder diffraction
(XRPD) analysis of resultant powder confirmed the anatase crystal phase of
Cu2+ doped TiO2 nanocrystals. Room temperature ferromagnetic ordering
with saturation magnetic moment of the order of 2 x 10-2 μB per Cu atom
was observed.
PB  - Society of Physical Chemists of Serbia
C3  - Physical chemistry 2014: 12th International Conference on Fundamental and Applied Aspects of Physical Chemistry
T1  - Room temperature ferromagnetism in Cu2+ doped TiO2 nanocrystals
VL  - H-14-P
UR  - https://hdl.handle.net/21.15107/rcub_vinar_9233
ER  - 
@conference{
author = "Vranješ, Mila and Kuljanin-Jakovljević, Jadranka Ž. and Konstantinović, Zorica and Radetić, Tamara and Stoiljković, Milovan and Šaponjić, Zoran",
year = "2014",
abstract = "Hydrothermal synthesis of Cu2+ doped TiO2 nanocrystals, using dispersion
of titania nanotubes in the presence of Cu2+ ions as precursor, which showed
room temperature ferromagnetism, is reported. Morphology of Cu2+ doped
TiO2 nanocrystals was characterized by transmission electron microscopy
(TEM). An average size of polygonal nanocrystals mainly of
square/rectangular shape was around 13 nm. The x-ray powder diffraction
(XRPD) analysis of resultant powder confirmed the anatase crystal phase of
Cu2+ doped TiO2 nanocrystals. Room temperature ferromagnetic ordering
with saturation magnetic moment of the order of 2 x 10-2 μB per Cu atom
was observed.",
publisher = "Society of Physical Chemists of Serbia",
journal = "Physical chemistry 2014: 12th International Conference on Fundamental and Applied Aspects of Physical Chemistry",
title = "Room temperature ferromagnetism in Cu2+ doped TiO2 nanocrystals",
volume = "H-14-P",
url = "https://hdl.handle.net/21.15107/rcub_vinar_9233"
}
Vranješ, M., Kuljanin-Jakovljević, J. Ž., Konstantinović, Z., Radetić, T., Stoiljković, M.,& Šaponjić, Z.. (2014). Room temperature ferromagnetism in Cu2+ doped TiO2 nanocrystals. in Physical chemistry 2014: 12th International Conference on Fundamental and Applied Aspects of Physical Chemistry
Society of Physical Chemists of Serbia., H-14-P.
https://hdl.handle.net/21.15107/rcub_vinar_9233
Vranješ M, Kuljanin-Jakovljević JŽ, Konstantinović Z, Radetić T, Stoiljković M, Šaponjić Z. Room temperature ferromagnetism in Cu2+ doped TiO2 nanocrystals. in Physical chemistry 2014: 12th International Conference on Fundamental and Applied Aspects of Physical Chemistry. 2014;H-14-P.
https://hdl.handle.net/21.15107/rcub_vinar_9233 .
Vranješ, Mila, Kuljanin-Jakovljević, Jadranka Ž., Konstantinović, Zorica, Radetić, Tamara, Stoiljković, Milovan, Šaponjić, Zoran, "Room temperature ferromagnetism in Cu2+ doped TiO2 nanocrystals" in Physical chemistry 2014: 12th International Conference on Fundamental and Applied Aspects of Physical Chemistry, H-14-P (2014),
https://hdl.handle.net/21.15107/rcub_vinar_9233 .

In situ photoreduction of Ag+-ions by TiO2 nanoparticles deposited on cotton and cotton/PET fabrics

Milošević, Milica V.; Radoičić, Marija B.; Šaponjić, Zoran; Nunney, Tim; Deeks, Christopher; Lazić, Vesna M.; Mitrić, Miodrag; Radetić, Tamara; Radetić, Maja M.

(2014)

TY  - JOUR
AU  - Milošević, Milica V.
AU  - Radoičić, Marija B.
AU  - Šaponjić, Zoran
AU  - Nunney, Tim
AU  - Deeks, Christopher
AU  - Lazić, Vesna M.
AU  - Mitrić, Miodrag
AU  - Radetić, Tamara
AU  - Radetić, Maja M.
PY  - 2014
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/112
AB  - The possibility of in situ photoreduction of Ag+-ions using TiO2 nanoparticles deposited on cotton and cotton/PET fabrics in the presence of amino acid alanine and methyl alcohol has been discussed. The possible interaction between TiO2, alanine and Ag+-ions was evaluated by FTIR analysis. The fabrication of TiO2/Ag nanoparticles on both fabrics was confirmed by SEM, EDX, XRD, XPS and AAS analyses. Cotton and cotton/PET fabrics impregnated with TiO2/Ag nanoparticles provided maximum reduction of Gram-negative bacteria Escherichia coli and Gram-positive bacteria Staphylococcus aureus. Although excellent antibacterial activity was preserved after ten washing cycles, a significant amount of silver leached out from the fabrics into the washing bath. The perspiration fastness assessment revealed that smaller amounts of silver were also released from the fabrics into artificial sweat at pH 5.50 and 8.00. In addition, deposited TiO2/Ag nanoparticles imparted maximum UV protection to fabrics.
T2  - Cellulose
T1  - In situ photoreduction of Ag+-ions by TiO2 nanoparticles deposited on cotton and cotton/PET fabrics
VL  - 21
IS  - 5
SP  - 3781
EP  - 3795
DO  - 10.1007/s10570-014-0373-5
ER  - 
@article{
author = "Milošević, Milica V. and Radoičić, Marija B. and Šaponjić, Zoran and Nunney, Tim and Deeks, Christopher and Lazić, Vesna M. and Mitrić, Miodrag and Radetić, Tamara and Radetić, Maja M.",
year = "2014",
abstract = "The possibility of in situ photoreduction of Ag+-ions using TiO2 nanoparticles deposited on cotton and cotton/PET fabrics in the presence of amino acid alanine and methyl alcohol has been discussed. The possible interaction between TiO2, alanine and Ag+-ions was evaluated by FTIR analysis. The fabrication of TiO2/Ag nanoparticles on both fabrics was confirmed by SEM, EDX, XRD, XPS and AAS analyses. Cotton and cotton/PET fabrics impregnated with TiO2/Ag nanoparticles provided maximum reduction of Gram-negative bacteria Escherichia coli and Gram-positive bacteria Staphylococcus aureus. Although excellent antibacterial activity was preserved after ten washing cycles, a significant amount of silver leached out from the fabrics into the washing bath. The perspiration fastness assessment revealed that smaller amounts of silver were also released from the fabrics into artificial sweat at pH 5.50 and 8.00. In addition, deposited TiO2/Ag nanoparticles imparted maximum UV protection to fabrics.",
journal = "Cellulose",
title = "In situ photoreduction of Ag+-ions by TiO2 nanoparticles deposited on cotton and cotton/PET fabrics",
volume = "21",
number = "5",
pages = "3781-3795",
doi = "10.1007/s10570-014-0373-5"
}
Milošević, M. V., Radoičić, M. B., Šaponjić, Z., Nunney, T., Deeks, C., Lazić, V. M., Mitrić, M., Radetić, T.,& Radetić, M. M.. (2014). In situ photoreduction of Ag+-ions by TiO2 nanoparticles deposited on cotton and cotton/PET fabrics. in Cellulose, 21(5), 3781-3795.
https://doi.org/10.1007/s10570-014-0373-5
Milošević MV, Radoičić MB, Šaponjić Z, Nunney T, Deeks C, Lazić VM, Mitrić M, Radetić T, Radetić MM. In situ photoreduction of Ag+-ions by TiO2 nanoparticles deposited on cotton and cotton/PET fabrics. in Cellulose. 2014;21(5):3781-3795.
doi:10.1007/s10570-014-0373-5 .
Milošević, Milica V., Radoičić, Marija B., Šaponjić, Zoran, Nunney, Tim, Deeks, Christopher, Lazić, Vesna M., Mitrić, Miodrag, Radetić, Tamara, Radetić, Maja M., "In situ photoreduction of Ag+-ions by TiO2 nanoparticles deposited on cotton and cotton/PET fabrics" in Cellulose, 21, no. 5 (2014):3781-3795,
https://doi.org/10.1007/s10570-014-0373-5 . .
30
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31

Erratum to: Ligand mediated synthesis of AgInSe2 nanoparticles with tetragonal/orthorhombic crystal phases

Abazović, Nadica; Čomor, Mirjana; Mitrić, Miodrag; Piscopiello, Emanuela; Radetić, Tamara; Janković, Ivana A.; Nedeljković, Jovan

(2013)

TY  - JOUR
AU  - Abazović, Nadica
AU  - Čomor, Mirjana
AU  - Mitrić, Miodrag
AU  - Piscopiello, Emanuela
AU  - Radetić, Tamara
AU  - Janković, Ivana A.
AU  - Nedeljković, Jovan
PY  - 2013
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/5493
T2  - Journal of Nanoparticle Research
T1  - Erratum to: Ligand mediated synthesis of AgInSe2 nanoparticles with tetragonal/orthorhombic crystal phases
VL  - 15
IS  - 1
DO  - 10.1007/s11051-012-1292-8
ER  - 
@article{
author = "Abazović, Nadica and Čomor, Mirjana and Mitrić, Miodrag and Piscopiello, Emanuela and Radetić, Tamara and Janković, Ivana A. and Nedeljković, Jovan",
year = "2013",
journal = "Journal of Nanoparticle Research",
title = "Erratum to: Ligand mediated synthesis of AgInSe2 nanoparticles with tetragonal/orthorhombic crystal phases",
volume = "15",
number = "1",
doi = "10.1007/s11051-012-1292-8"
}
Abazović, N., Čomor, M., Mitrić, M., Piscopiello, E., Radetić, T., Janković, I. A.,& Nedeljković, J.. (2013). Erratum to: Ligand mediated synthesis of AgInSe2 nanoparticles with tetragonal/orthorhombic crystal phases. in Journal of Nanoparticle Research, 15(1).
https://doi.org/10.1007/s11051-012-1292-8
Abazović N, Čomor M, Mitrić M, Piscopiello E, Radetić T, Janković IA, Nedeljković J. Erratum to: Ligand mediated synthesis of AgInSe2 nanoparticles with tetragonal/orthorhombic crystal phases. in Journal of Nanoparticle Research. 2013;15(1).
doi:10.1007/s11051-012-1292-8 .
Abazović, Nadica, Čomor, Mirjana, Mitrić, Miodrag, Piscopiello, Emanuela, Radetić, Tamara, Janković, Ivana A., Nedeljković, Jovan, "Erratum to: Ligand mediated synthesis of AgInSe2 nanoparticles with tetragonal/orthorhombic crystal phases" in Journal of Nanoparticle Research, 15, no. 1 (2013),
https://doi.org/10.1007/s11051-012-1292-8 . .

Ligand mediated synthesis of AgInSe2 nanoparticles with tetragonal/orthorhombic crystal phases

Abazović, Nadica; Čomor, Mirjana; Mitrić, Miodrag; Piscopiello, Emanuela; Radetić, Tamara; Janković, Ivana A.; Nedeljković, Jovan

(2012)

TY  - JOUR
AU  - Abazović, Nadica
AU  - Čomor, Mirjana
AU  - Mitrić, Miodrag
AU  - Piscopiello, Emanuela
AU  - Radetić, Tamara
AU  - Janković, Ivana A.
AU  - Nedeljković, Jovan
PY  - 2012
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4788
AB  - Nanosized AgInSe2 particles (d similar to 7-25 nm) were synthesized using colloidal chemistry method at 270 degrees C. As solvents/surface ligands 1-octadecene, trioctylphosphine, and oleylamine were used. It was shown that choice of ligand has crucial impact not only on final crystal phase of nanoparticles, but also at mechanism of crystal growth. X-ray diffraction and TEM/HRTEM techniques were used to identify obtained crystal phases and to measure average size and shape of nanoparticles. UV/Vis data were used to estimate band-gap energies of obtained samples. It was shown that presented routes can provide synthesis of nanoparticles with desired crystal phase (tetragonal and/or orthorhombic), with band-gap energies in the range from 1.25 to 1.53 eV.
T2  - Journal of Nanoparticle Research
T1  - Ligand mediated synthesis of AgInSe2 nanoparticles with tetragonal/orthorhombic crystal phases
VL  - 14
IS  - 4
SP  - Art. no.: 810
DO  - 10.1007/s11051-012-0810-z
ER  - 
@article{
author = "Abazović, Nadica and Čomor, Mirjana and Mitrić, Miodrag and Piscopiello, Emanuela and Radetić, Tamara and Janković, Ivana A. and Nedeljković, Jovan",
year = "2012",
abstract = "Nanosized AgInSe2 particles (d similar to 7-25 nm) were synthesized using colloidal chemistry method at 270 degrees C. As solvents/surface ligands 1-octadecene, trioctylphosphine, and oleylamine were used. It was shown that choice of ligand has crucial impact not only on final crystal phase of nanoparticles, but also at mechanism of crystal growth. X-ray diffraction and TEM/HRTEM techniques were used to identify obtained crystal phases and to measure average size and shape of nanoparticles. UV/Vis data were used to estimate band-gap energies of obtained samples. It was shown that presented routes can provide synthesis of nanoparticles with desired crystal phase (tetragonal and/or orthorhombic), with band-gap energies in the range from 1.25 to 1.53 eV.",
journal = "Journal of Nanoparticle Research",
title = "Ligand mediated synthesis of AgInSe2 nanoparticles with tetragonal/orthorhombic crystal phases",
volume = "14",
number = "4",
pages = "Art. no.: 810",
doi = "10.1007/s11051-012-0810-z"
}
Abazović, N., Čomor, M., Mitrić, M., Piscopiello, E., Radetić, T., Janković, I. A.,& Nedeljković, J.. (2012). Ligand mediated synthesis of AgInSe2 nanoparticles with tetragonal/orthorhombic crystal phases. in Journal of Nanoparticle Research, 14(4), Art. no.: 810.
https://doi.org/10.1007/s11051-012-0810-z
Abazović N, Čomor M, Mitrić M, Piscopiello E, Radetić T, Janković IA, Nedeljković J. Ligand mediated synthesis of AgInSe2 nanoparticles with tetragonal/orthorhombic crystal phases. in Journal of Nanoparticle Research. 2012;14(4):Art. no.: 810.
doi:10.1007/s11051-012-0810-z .
Abazović, Nadica, Čomor, Mirjana, Mitrić, Miodrag, Piscopiello, Emanuela, Radetić, Tamara, Janković, Ivana A., Nedeljković, Jovan, "Ligand mediated synthesis of AgInSe2 nanoparticles with tetragonal/orthorhombic crystal phases" in Journal of Nanoparticle Research, 14, no. 4 (2012):Art. no.: 810,
https://doi.org/10.1007/s11051-012-0810-z . .
15
16
14

Structure and luminescence properties of Eu3+ doped TiO2 nanocrystals and prolate nanospheroids synthesized by the hydrothermal processing

Vranješ, Mila; Kuljanin-Jakovljević, Jadranka Ž.; Radetić, Tamara; Stoiljković, Milovan; Mitrić, Miodrag; Šaponjić, Zoran; Nedeljković, Jovan

(2012)

TY  - JOUR
AU  - Vranješ, Mila
AU  - Kuljanin-Jakovljević, Jadranka Ž.
AU  - Radetić, Tamara
AU  - Stoiljković, Milovan
AU  - Mitrić, Miodrag
AU  - Šaponjić, Zoran
AU  - Nedeljković, Jovan
PY  - 2012
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4973
AB  - We report on a new approach to the synthesis of Eu3+ doped TiO2 nanocrystals and prolate nanospheroids. They were synthesized by shape transformation of hydrothermally treated titania nanotubes at different pH and in the presence of Eu3+ ions. The use of nanotubes as a precursor to the synthesis of Eu3+ doped TiO2 nanocrystals and prolate nanospheroids opens the possibility of overcoming the problems related to molecular precursors. The shapes and sizes of the nanotubes, Eu3+ doped TiO2 nanocrystals and prolate nanospheroids were characterized by transmission electron microscopy (TEM) technique. Crystal structures of the resultant powders were investigated by X-ray diffraction (XRD) analysis. The percentage ratio of Eu3+ to Ti4+ ions in doped nanocrystals was determined using inductively coupled plasma atomic emission spectroscopy. The optical characterization was done by using fluorescence and ultraviolet-visible reflection spectroscopies. An average size of faceted Eu3+ doped TiO2 nanocrystals was 13 nm. The lateral dimensions of Eu3+ doped TiO2 prolate nanospheroids varied from 14 to 20 nm, while the length varied from 40 to 80 nm, depending on precursor concentrations. The XRD patterns revealed the homogeneous anatase crystal phase of Eu3+ doped TiO2 nanocrystals and prolate nanospheroids independently of the amount of dopant. A postsynthetic treatment (filtration or dialysis) was applied on the dispersions of the doped nanoparticles in order to study the influence of the dopant position on photoluminescence (PL) spectra. In the red spectral region, room temperature PL signals associated with D-5(0) - GT F-7(J) (J = 1-4) transitions of Eu3+ were observed in all samples. The increased contribution of dopants from the interior region of dialyzed nanocrystals to photoluminescence was confirmed by the increase of R value. (c) 2012 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
T2  - Ceramics International
T1  - Structure and luminescence properties of Eu3+ doped TiO2 nanocrystals and prolate nanospheroids synthesized by the hydrothermal processing
VL  - 38
IS  - 7
SP  - 5629
EP  - 5636
DO  - 10.1016/j.ceramint.2012.04.004
ER  - 
@article{
author = "Vranješ, Mila and Kuljanin-Jakovljević, Jadranka Ž. and Radetić, Tamara and Stoiljković, Milovan and Mitrić, Miodrag and Šaponjić, Zoran and Nedeljković, Jovan",
year = "2012",
abstract = "We report on a new approach to the synthesis of Eu3+ doped TiO2 nanocrystals and prolate nanospheroids. They were synthesized by shape transformation of hydrothermally treated titania nanotubes at different pH and in the presence of Eu3+ ions. The use of nanotubes as a precursor to the synthesis of Eu3+ doped TiO2 nanocrystals and prolate nanospheroids opens the possibility of overcoming the problems related to molecular precursors. The shapes and sizes of the nanotubes, Eu3+ doped TiO2 nanocrystals and prolate nanospheroids were characterized by transmission electron microscopy (TEM) technique. Crystal structures of the resultant powders were investigated by X-ray diffraction (XRD) analysis. The percentage ratio of Eu3+ to Ti4+ ions in doped nanocrystals was determined using inductively coupled plasma atomic emission spectroscopy. The optical characterization was done by using fluorescence and ultraviolet-visible reflection spectroscopies. An average size of faceted Eu3+ doped TiO2 nanocrystals was 13 nm. The lateral dimensions of Eu3+ doped TiO2 prolate nanospheroids varied from 14 to 20 nm, while the length varied from 40 to 80 nm, depending on precursor concentrations. The XRD patterns revealed the homogeneous anatase crystal phase of Eu3+ doped TiO2 nanocrystals and prolate nanospheroids independently of the amount of dopant. A postsynthetic treatment (filtration or dialysis) was applied on the dispersions of the doped nanoparticles in order to study the influence of the dopant position on photoluminescence (PL) spectra. In the red spectral region, room temperature PL signals associated with D-5(0) - GT F-7(J) (J = 1-4) transitions of Eu3+ were observed in all samples. The increased contribution of dopants from the interior region of dialyzed nanocrystals to photoluminescence was confirmed by the increase of R value. (c) 2012 Elsevier Ltd and Techna Group S.r.l. All rights reserved.",
journal = "Ceramics International",
title = "Structure and luminescence properties of Eu3+ doped TiO2 nanocrystals and prolate nanospheroids synthesized by the hydrothermal processing",
volume = "38",
number = "7",
pages = "5629-5636",
doi = "10.1016/j.ceramint.2012.04.004"
}
Vranješ, M., Kuljanin-Jakovljević, J. Ž., Radetić, T., Stoiljković, M., Mitrić, M., Šaponjić, Z.,& Nedeljković, J.. (2012). Structure and luminescence properties of Eu3+ doped TiO2 nanocrystals and prolate nanospheroids synthesized by the hydrothermal processing. in Ceramics International, 38(7), 5629-5636.
https://doi.org/10.1016/j.ceramint.2012.04.004
Vranješ M, Kuljanin-Jakovljević JŽ, Radetić T, Stoiljković M, Mitrić M, Šaponjić Z, Nedeljković J. Structure and luminescence properties of Eu3+ doped TiO2 nanocrystals and prolate nanospheroids synthesized by the hydrothermal processing. in Ceramics International. 2012;38(7):5629-5636.
doi:10.1016/j.ceramint.2012.04.004 .
Vranješ, Mila, Kuljanin-Jakovljević, Jadranka Ž., Radetić, Tamara, Stoiljković, Milovan, Mitrić, Miodrag, Šaponjić, Zoran, Nedeljković, Jovan, "Structure and luminescence properties of Eu3+ doped TiO2 nanocrystals and prolate nanospheroids synthesized by the hydrothermal processing" in Ceramics International, 38, no. 7 (2012):5629-5636,
https://doi.org/10.1016/j.ceramint.2012.04.004 . .
3
17
15
17

Novel properties of PES fabrics modified by corona discharge and colloidal TiO2 nanoparticles

Mihailovic, Darka; Šaponjić, Zoran; Radoičić, Marija B.; Molina, Ricardo; Radetić, Tamara; Jovancic, Petar; Nedeljković, Jovan; Radetić, Maja M.

(2011)

TY  - JOUR
AU  - Mihailovic, Darka
AU  - Šaponjić, Zoran
AU  - Radoičić, Marija B.
AU  - Molina, Ricardo
AU  - Radetić, Tamara
AU  - Jovancic, Petar
AU  - Nedeljković, Jovan
AU  - Radetić, Maja M.
PY  - 2011
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/4276
AB  - The objective of this study was to highlight the potential application of the corona discharge at atmospheric pressure for the surface activation of polyester (PES) fabrics in order to improve the binding efficiency of colloidal TiO2 nanoparticles. The obtained nanocomposite textile materials provide desirable level of UV protection, self-cleaning properties, and photodegradation activity. The measured UV protection factor (UPF) of fabrics corresponds to UPF rating of 50+, designating the maximum UV protection. Additionally, the total photodegradation of methylene blue in aqueous solution was achieved after 24 hr of UV illumination and this capability was preserved and even improved after four repeated cycles. The results showed that the corona treated PES fabrics loaded with TiO2 nanoparticles had considerably enhanced the overall efficiency compared to PES fabrics loaded only with TiO2 nanoparticles. Copyright (C) 2009 John Wiley and Sons, Ltd.
T2  - Polymers for Advanced Technologies
T1  - Novel properties of PES fabrics modified by corona discharge and colloidal TiO2 nanoparticles
VL  - 22
IS  - 5
SP  - 703
EP  - 709
DO  - 10.1002/pat.1568
ER  - 
@article{
author = "Mihailovic, Darka and Šaponjić, Zoran and Radoičić, Marija B. and Molina, Ricardo and Radetić, Tamara and Jovancic, Petar and Nedeljković, Jovan and Radetić, Maja M.",
year = "2011",
abstract = "The objective of this study was to highlight the potential application of the corona discharge at atmospheric pressure for the surface activation of polyester (PES) fabrics in order to improve the binding efficiency of colloidal TiO2 nanoparticles. The obtained nanocomposite textile materials provide desirable level of UV protection, self-cleaning properties, and photodegradation activity. The measured UV protection factor (UPF) of fabrics corresponds to UPF rating of 50+, designating the maximum UV protection. Additionally, the total photodegradation of methylene blue in aqueous solution was achieved after 24 hr of UV illumination and this capability was preserved and even improved after four repeated cycles. The results showed that the corona treated PES fabrics loaded with TiO2 nanoparticles had considerably enhanced the overall efficiency compared to PES fabrics loaded only with TiO2 nanoparticles. Copyright (C) 2009 John Wiley and Sons, Ltd.",
journal = "Polymers for Advanced Technologies",
title = "Novel properties of PES fabrics modified by corona discharge and colloidal TiO2 nanoparticles",
volume = "22",
number = "5",
pages = "703-709",
doi = "10.1002/pat.1568"
}
Mihailovic, D., Šaponjić, Z., Radoičić, M. B., Molina, R., Radetić, T., Jovancic, P., Nedeljković, J.,& Radetić, M. M.. (2011). Novel properties of PES fabrics modified by corona discharge and colloidal TiO2 nanoparticles. in Polymers for Advanced Technologies, 22(5), 703-709.
https://doi.org/10.1002/pat.1568
Mihailovic D, Šaponjić Z, Radoičić MB, Molina R, Radetić T, Jovancic P, Nedeljković J, Radetić MM. Novel properties of PES fabrics modified by corona discharge and colloidal TiO2 nanoparticles. in Polymers for Advanced Technologies. 2011;22(5):703-709.
doi:10.1002/pat.1568 .
Mihailovic, Darka, Šaponjić, Zoran, Radoičić, Marija B., Molina, Ricardo, Radetić, Tamara, Jovancic, Petar, Nedeljković, Jovan, Radetić, Maja M., "Novel properties of PES fabrics modified by corona discharge and colloidal TiO2 nanoparticles" in Polymers for Advanced Technologies, 22, no. 5 (2011):703-709,
https://doi.org/10.1002/pat.1568 . .
15
11
13

Functionalization of polyester fabrics with alginates and TiO2 nanoparticles

Mihailovic, Darka; Šaponjić, Zoran; Radoičić, Marija B.; Radetić, Tamara; Jovancic, Petar; Nedeljković, Jovan; Radetić, Maja M.

(2010)

TY  - JOUR
AU  - Mihailovic, Darka
AU  - Šaponjić, Zoran
AU  - Radoičić, Marija B.
AU  - Radetić, Tamara
AU  - Jovancic, Petar
AU  - Nedeljković, Jovan
AU  - Radetić, Maja M.
PY  - 2010
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3878
AB  - This study was aimed to investigate the possibility of engineering the multifunctional textile nanocomposite material based on the polyester fabric modified with natural polysaccharide alginate and colloidal TiO2 nanoparticles. The multifunctionality of such nanocomposite material was evaluated by analyzing its UV protection efficiency, antibacterial and photocatalytic activity. The level of UV protection was verified by the UV protection factor (UPF) of polyester fabrics. Antibacterial activity of modified polyester fabrics was tested against Gram-negative bacterium Escherichia coli. The photocatalytic activity of TiO2 nanoparticles deposited on the polyester fabrics was followed by degradation of methylene blue as a model compound in aqueous solution. Modified polyester fabrics exhibited outstanding antibacterial activity and UV protection efficiency even after five washing cycles, indicating the excellent laundering durability. The total photodegradation of methylene blue was reached after 24 h of UV illumination and this ability was preserved and even enhanced after two consecutive cycles. (C) 2009 Elsevier Ltd. All rights reserved.
T2  - Carbohydrate Polymers
T1  - Functionalization of polyester fabrics with alginates and TiO2 nanoparticles
VL  - 79
IS  - 3
SP  - 526
EP  - 532
DO  - 10.1016/j.carbpol.2009.08.036
ER  - 
@article{
author = "Mihailovic, Darka and Šaponjić, Zoran and Radoičić, Marija B. and Radetić, Tamara and Jovancic, Petar and Nedeljković, Jovan and Radetić, Maja M.",
year = "2010",
abstract = "This study was aimed to investigate the possibility of engineering the multifunctional textile nanocomposite material based on the polyester fabric modified with natural polysaccharide alginate and colloidal TiO2 nanoparticles. The multifunctionality of such nanocomposite material was evaluated by analyzing its UV protection efficiency, antibacterial and photocatalytic activity. The level of UV protection was verified by the UV protection factor (UPF) of polyester fabrics. Antibacterial activity of modified polyester fabrics was tested against Gram-negative bacterium Escherichia coli. The photocatalytic activity of TiO2 nanoparticles deposited on the polyester fabrics was followed by degradation of methylene blue as a model compound in aqueous solution. Modified polyester fabrics exhibited outstanding antibacterial activity and UV protection efficiency even after five washing cycles, indicating the excellent laundering durability. The total photodegradation of methylene blue was reached after 24 h of UV illumination and this ability was preserved and even enhanced after two consecutive cycles. (C) 2009 Elsevier Ltd. All rights reserved.",
journal = "Carbohydrate Polymers",
title = "Functionalization of polyester fabrics with alginates and TiO2 nanoparticles",
volume = "79",
number = "3",
pages = "526-532",
doi = "10.1016/j.carbpol.2009.08.036"
}
Mihailovic, D., Šaponjić, Z., Radoičić, M. B., Radetić, T., Jovancic, P., Nedeljković, J.,& Radetić, M. M.. (2010). Functionalization of polyester fabrics with alginates and TiO2 nanoparticles. in Carbohydrate Polymers, 79(3), 526-532.
https://doi.org/10.1016/j.carbpol.2009.08.036
Mihailovic D, Šaponjić Z, Radoičić MB, Radetić T, Jovancic P, Nedeljković J, Radetić MM. Functionalization of polyester fabrics with alginates and TiO2 nanoparticles. in Carbohydrate Polymers. 2010;79(3):526-532.
doi:10.1016/j.carbpol.2009.08.036 .
Mihailovic, Darka, Šaponjić, Zoran, Radoičić, Marija B., Radetić, Tamara, Jovancic, Petar, Nedeljković, Jovan, Radetić, Maja M., "Functionalization of polyester fabrics with alginates and TiO2 nanoparticles" in Carbohydrate Polymers, 79, no. 3 (2010):526-532,
https://doi.org/10.1016/j.carbpol.2009.08.036 . .
139
119
146

Presence of Room Temperature Ferromagnetism in CO2+ Doped TiO2 Nanoparticles Synthesized through Shape Transformation

Kuljanin-Jakovljević, Jadranka Ž.; Radoičić, Marija B.; Radetić, Tamara; Konstantinović, Zorica; Šaponjić, Zoran; Nedeljković, Jovan

(2009)

TY  - JOUR
AU  - Kuljanin-Jakovljević, Jadranka Ž.
AU  - Radoičić, Marija B.
AU  - Radetić, Tamara
AU  - Konstantinović, Zorica
AU  - Šaponjić, Zoran
AU  - Nedeljković, Jovan
PY  - 2009
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/3847
AB  - New approach for synthesis of Co2+ doped TiO2 nanoparticles showing room temperature ferromagnetic behavior, through shape transformation of hydrothermally treated scrolled titania nanotubes in the presence of Co2+ ions is described. The XRD and ICP measurements demonstrated successful incorporation of 0.46 at % Co2+ ions in preserved anatase crystal structure of TiO2 nanoparticles, without presence of Co-oxide Clustering, metallic Co, or Various Co-Ti oxide species. HRTEM measurements revealed that majority of the nanoparticles have polygonal shapes with average dimension of similar to 6-10 nm. Obtained Value of 3.06 eV for band gap energy of Co2+ doped TiO2 nanoparticles explained altered optical properties of TiO2 matrix and indicates narrowing of the electronic properties in respect to the undoped anatase TiO2 nanomaterials. The Co2+ doped TiO2 nanocrystals enabled synthesis of optically transparent film that shows room temperature ferromagnetic ordering with a saturation magnetic moment of 0 25 mu B per Co atom The proposed explanation for room temperature ferromagnetic behavior is based oil the presence of critical amount of oxygen vacancies that mediate interaction between Co2+ spins trapped in the lattice Structure of titania nanoparticles with undercoordinated surface defect sites.
T2  - Journal of Physical Chemistry. C
T1  - Presence of Room Temperature Ferromagnetism in CO2+ Doped TiO2 Nanoparticles Synthesized through Shape Transformation
VL  - 113
IS  - 50
SP  - 21029
EP  - 21033
DO  - 10.1021/jp905042k
ER  - 
@article{
author = "Kuljanin-Jakovljević, Jadranka Ž. and Radoičić, Marija B. and Radetić, Tamara and Konstantinović, Zorica and Šaponjić, Zoran and Nedeljković, Jovan",
year = "2009",
abstract = "New approach for synthesis of Co2+ doped TiO2 nanoparticles showing room temperature ferromagnetic behavior, through shape transformation of hydrothermally treated scrolled titania nanotubes in the presence of Co2+ ions is described. The XRD and ICP measurements demonstrated successful incorporation of 0.46 at % Co2+ ions in preserved anatase crystal structure of TiO2 nanoparticles, without presence of Co-oxide Clustering, metallic Co, or Various Co-Ti oxide species. HRTEM measurements revealed that majority of the nanoparticles have polygonal shapes with average dimension of similar to 6-10 nm. Obtained Value of 3.06 eV for band gap energy of Co2+ doped TiO2 nanoparticles explained altered optical properties of TiO2 matrix and indicates narrowing of the electronic properties in respect to the undoped anatase TiO2 nanomaterials. The Co2+ doped TiO2 nanocrystals enabled synthesis of optically transparent film that shows room temperature ferromagnetic ordering with a saturation magnetic moment of 0 25 mu B per Co atom The proposed explanation for room temperature ferromagnetic behavior is based oil the presence of critical amount of oxygen vacancies that mediate interaction between Co2+ spins trapped in the lattice Structure of titania nanoparticles with undercoordinated surface defect sites.",
journal = "Journal of Physical Chemistry. C",
title = "Presence of Room Temperature Ferromagnetism in CO2+ Doped TiO2 Nanoparticles Synthesized through Shape Transformation",
volume = "113",
number = "50",
pages = "21029-21033",
doi = "10.1021/jp905042k"
}
Kuljanin-Jakovljević, J. Ž., Radoičić, M. B., Radetić, T., Konstantinović, Z., Šaponjić, Z.,& Nedeljković, J.. (2009). Presence of Room Temperature Ferromagnetism in CO2+ Doped TiO2 Nanoparticles Synthesized through Shape Transformation. in Journal of Physical Chemistry. C, 113(50), 21029-21033.
https://doi.org/10.1021/jp905042k
Kuljanin-Jakovljević JŽ, Radoičić MB, Radetić T, Konstantinović Z, Šaponjić Z, Nedeljković J. Presence of Room Temperature Ferromagnetism in CO2+ Doped TiO2 Nanoparticles Synthesized through Shape Transformation. in Journal of Physical Chemistry. C. 2009;113(50):21029-21033.
doi:10.1021/jp905042k .
Kuljanin-Jakovljević, Jadranka Ž., Radoičić, Marija B., Radetić, Tamara, Konstantinović, Zorica, Šaponjić, Zoran, Nedeljković, Jovan, "Presence of Room Temperature Ferromagnetism in CO2+ Doped TiO2 Nanoparticles Synthesized through Shape Transformation" in Journal of Physical Chemistry. C, 113, no. 50 (2009):21029-21033,
https://doi.org/10.1021/jp905042k . .
29
26
31

Synthesis and characterization of Co2+ doped TiO2 nanoparticles

Kuljanin-Jakovljević, Jadranka Ž.; Šaponjić, Zoran; Radetić, Tamara; Radoičić, Marija B.

(Society of Physical Chemists of Serbia, 2008)

TY  - CONF
AU  - Kuljanin-Jakovljević, Jadranka Ž.
AU  - Šaponjić, Zoran
AU  - Radetić, Tamara
AU  - Radoičić, Marija B.
PY  - 2008
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9391
AB  - Scrolled titania nanotubes were synthesized by a hydrothermal method using commercial TiO2 powder in proton-deficient aqueous systems. In presence of CoCl2 extended hydrothermal treatment of TiO2 nanotubes lead to formation Co2+ doped TiO2 nanoparticles. TEM and HRTEM measurement were used for determining the shape, dimension and structure of doped nanoaprticles. XRD confirmed anatase crystalline structure od Co2+ doped TiO2. The presence of Co2+ ions did not induce distortions of the overall anatase crystal structure of TiO2 matrix. The concentration of Co2+ ions was 1.5% compared with the amount of Ti4+ ions.
PB  - Society of Physical Chemists of Serbia
C3  - Physical chemistry 2008 : 9th international conference on fundamental and applied aspects of physical chemistry
T1  - Synthesis and characterization of Co2+ doped TiO2 nanoparticles
VL  - 2
SP  - 527
EP  - 529
UR  - https://hdl.handle.net/21.15107/rcub_vinar_9391
ER  - 
@conference{
author = "Kuljanin-Jakovljević, Jadranka Ž. and Šaponjić, Zoran and Radetić, Tamara and Radoičić, Marija B.",
year = "2008",
abstract = "Scrolled titania nanotubes were synthesized by a hydrothermal method using commercial TiO2 powder in proton-deficient aqueous systems. In presence of CoCl2 extended hydrothermal treatment of TiO2 nanotubes lead to formation Co2+ doped TiO2 nanoparticles. TEM and HRTEM measurement were used for determining the shape, dimension and structure of doped nanoaprticles. XRD confirmed anatase crystalline structure od Co2+ doped TiO2. The presence of Co2+ ions did not induce distortions of the overall anatase crystal structure of TiO2 matrix. The concentration of Co2+ ions was 1.5% compared with the amount of Ti4+ ions.",
publisher = "Society of Physical Chemists of Serbia",
journal = "Physical chemistry 2008 : 9th international conference on fundamental and applied aspects of physical chemistry",
title = "Synthesis and characterization of Co2+ doped TiO2 nanoparticles",
volume = "2",
pages = "527-529",
url = "https://hdl.handle.net/21.15107/rcub_vinar_9391"
}
Kuljanin-Jakovljević, J. Ž., Šaponjić, Z., Radetić, T.,& Radoičić, M. B.. (2008). Synthesis and characterization of Co2+ doped TiO2 nanoparticles. in Physical chemistry 2008 : 9th international conference on fundamental and applied aspects of physical chemistry
Society of Physical Chemists of Serbia., 2, 527-529.
https://hdl.handle.net/21.15107/rcub_vinar_9391
Kuljanin-Jakovljević JŽ, Šaponjić Z, Radetić T, Radoičić MB. Synthesis and characterization of Co2+ doped TiO2 nanoparticles. in Physical chemistry 2008 : 9th international conference on fundamental and applied aspects of physical chemistry. 2008;2:527-529.
https://hdl.handle.net/21.15107/rcub_vinar_9391 .
Kuljanin-Jakovljević, Jadranka Ž., Šaponjić, Zoran, Radetić, Tamara, Radoičić, Marija B., "Synthesis and characterization of Co2+ doped TiO2 nanoparticles" in Physical chemistry 2008 : 9th international conference on fundamental and applied aspects of physical chemistry, 2 (2008):527-529,
https://hdl.handle.net/21.15107/rcub_vinar_9391 .