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Žegura, Bojana

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  • Žegura, Bojana (6)

Author's Bibliography

Supplementary information for the article: Filipović, N., Veselinović, L., Ražić, S., Jeremić, S., Filipič, M., Žegura, B., Tomić, S., Čolić, M., Stevanović, M., 2019. Poly (ε-caprolactone) microspheres for prolonged release of selenium nanoparticles. Materials Science and Engineering C 96, 776–789. https://doi.org/10.1016/j.msec.2018.11.073

Filipović, Nenad; Veselinović, Ljiljana; Ražić, Slavica; Jeremić, Sanja; Filipič, Metka; Žegura, Bojana; Tomić, Sergej; Čolić, Miodrag; Stevanović, Magdalena

(2019)

@misc{
author = "Filipović, Nenad and Veselinović, Ljiljana and Ražić, Slavica and Jeremić, Sanja and Filipič, Metka and Žegura, Bojana and Tomić, Sergej and Čolić, Miodrag and Stevanović, Magdalena",
year = "2019",
url = "http://dais.sanu.ac.rs/123456789/5972",
journal = "Materials Science and Engineering C",
title = "Supplementary information for the article: Filipović, N., Veselinović, L., Ražić, S., Jeremić, S., Filipič, M., Žegura, B., Tomić, S., Čolić, M., Stevanović, M., 2019. Poly (ε-caprolactone) microspheres for prolonged release of selenium nanoparticles. Materials Science and Engineering C 96, 776–789. https://doi.org/10.1016/j.msec.2018.11.073"
}

Poly (ε-caprolactone) microspheres for prolonged release of selenium nanoparticles

Filipović, Nenad; Veselinović, Ljiljana; Ražić, Slavica; Jeremić, Sanja; Filipič, Metka; Žegura, Bojana; Tomić, Sergej; Čolić, Miodrag; Stevanović, Magdalena

(Elsevier, 2019)

TY  - JOUR
AU  - Filipović, Nenad
AU  - Veselinović, Ljiljana
AU  - Ražić, Slavica
AU  - Jeremić, Sanja
AU  - Filipič, Metka
AU  - Žegura, Bojana
AU  - Tomić, Sergej
AU  - Čolić, Miodrag
AU  - Stevanović, Magdalena
PY  - 2019
UR  - http://dais.sanu.ac.rs/123456789/4600
AB  - Poly (ε-caprolactone) (PCL) microspheres as a carrier for sustained release of antibacterial agent, selenium nanoparticles (SeNPs), were developed. The obtained PCL/SeNPs microspheres were in the range 1–4 μm with the encapsulation efficiency of about 90%. The degradation process and release behavior of SeNPs from PCL microspheres were investigated in five different degradation media: phosphate buffer solution (PBS), a solution of lipase isolated from the porcine pancreas in PBS, 0.1 M hydrochloric acid (HCl), Pseudomonas aeruginosa PAO1 cell-free extract in PBS and implant fluid (exudate) from the subcutaneously implanted sterile polyvinyl sponges which induce a foreign-body inflammatory reaction. The samples were thoroughly characterized by SEM, TEM, FTIR, XRD, PSA, DSC, confocal microscopy, and ICP-OES techniques. Under physiological conditions at neutral pH, a very slow release of SeNPs occurred (3 and 8% in the case of PBS or PBS + lipase, respectively and after 660 days), while in the acidic environment their presence was not detected. On the other hand, the release in the medium with bacterial extract was much more pronounced, even after 24 h (13%). After 7 days, the concentration of SeNPs reached a maximum of around 30%. Also, 37% of SeNPs have been released after 11 days of incubation of PCL/SeNPs in the implant exudate. These results suggest that the release of SeNPs from PCL was triggered by Pseudomonas aeruginosa PAO1 bacterium as well as by foreign body inflammatory reaction to implant. Furthermore, PCL/SeNPs microspheres were investigated in terms of their biocompatibility. For this purpose, cytotoxicity, the formation of reactive oxygen species (ROS), and genotoxicity were evaluated on HepG2 cell line. The interaction of PCL/SeNPs with phagocytic cell line (Raw 264.7 macrophages) was monitored as well. It was found that the microspheres in investigated concentration range had no acute cytotoxic effects. Finally, SeNPs, as well as PCL/SeNPs, showed a considerable antibacterial activity against Gram-positive bacteria: Staphylococcus aureus (ATCC 25923) and Staphylococcus epidermidis (ATCC 1228). These results suggest that PCL/SeNPs-based system could be an attractive platform for a prolonged prevention of infections accompanying implants. © 2018 Elsevier B.V.
PB  - Elsevier
T2  - Materials Science and Engineering C
T1  - Poly (ε-caprolactone) microspheres for prolonged release of selenium nanoparticles
SP  - 776
EP  - 789
VL  - 96
DO  - 10.1016/j.msec.2018.11.073
ER  - 
@article{
author = "Filipović, Nenad and Veselinović, Ljiljana and Ražić, Slavica and Jeremić, Sanja and Filipič, Metka and Žegura, Bojana and Tomić, Sergej and Čolić, Miodrag and Stevanović, Magdalena",
year = "2019",
url = "http://dais.sanu.ac.rs/123456789/4600",
abstract = "Poly (ε-caprolactone) (PCL) microspheres as a carrier for sustained release of antibacterial agent, selenium nanoparticles (SeNPs), were developed. The obtained PCL/SeNPs microspheres were in the range 1–4 μm with the encapsulation efficiency of about 90%. The degradation process and release behavior of SeNPs from PCL microspheres were investigated in five different degradation media: phosphate buffer solution (PBS), a solution of lipase isolated from the porcine pancreas in PBS, 0.1 M hydrochloric acid (HCl), Pseudomonas aeruginosa PAO1 cell-free extract in PBS and implant fluid (exudate) from the subcutaneously implanted sterile polyvinyl sponges which induce a foreign-body inflammatory reaction. The samples were thoroughly characterized by SEM, TEM, FTIR, XRD, PSA, DSC, confocal microscopy, and ICP-OES techniques. Under physiological conditions at neutral pH, a very slow release of SeNPs occurred (3 and 8% in the case of PBS or PBS + lipase, respectively and after 660 days), while in the acidic environment their presence was not detected. On the other hand, the release in the medium with bacterial extract was much more pronounced, even after 24 h (13%). After 7 days, the concentration of SeNPs reached a maximum of around 30%. Also, 37% of SeNPs have been released after 11 days of incubation of PCL/SeNPs in the implant exudate. These results suggest that the release of SeNPs from PCL was triggered by Pseudomonas aeruginosa PAO1 bacterium as well as by foreign body inflammatory reaction to implant. Furthermore, PCL/SeNPs microspheres were investigated in terms of their biocompatibility. For this purpose, cytotoxicity, the formation of reactive oxygen species (ROS), and genotoxicity were evaluated on HepG2 cell line. The interaction of PCL/SeNPs with phagocytic cell line (Raw 264.7 macrophages) was monitored as well. It was found that the microspheres in investigated concentration range had no acute cytotoxic effects. Finally, SeNPs, as well as PCL/SeNPs, showed a considerable antibacterial activity against Gram-positive bacteria: Staphylococcus aureus (ATCC 25923) and Staphylococcus epidermidis (ATCC 1228). These results suggest that PCL/SeNPs-based system could be an attractive platform for a prolonged prevention of infections accompanying implants. © 2018 Elsevier B.V.",
publisher = "Elsevier",
journal = "Materials Science and Engineering C",
title = "Poly (ε-caprolactone) microspheres for prolonged release of selenium nanoparticles",
pages = "776-789",
volume = "96",
doi = "10.1016/j.msec.2018.11.073"
}
1
4
6
7

Poly (ε-caprolactone) microspheres for prolonged release of selenium nanoparticles

Filipović, Nenad; Veselinović, Ljiljana; Ražić, Slavica; Jeremić, Sanja; Filipič, Metka; Žegura, Bojana; Tomić, Sergej; Čolić, Miodrag; Stevanović, Magdalena

(Elsevier, 2019)

TY  - JOUR
AU  - Filipović, Nenad
AU  - Veselinović, Ljiljana
AU  - Ražić, Slavica
AU  - Jeremić, Sanja
AU  - Filipič, Metka
AU  - Žegura, Bojana
AU  - Tomić, Sergej
AU  - Čolić, Miodrag
AU  - Stevanović, Magdalena
PY  - 2019
UR  - http://dais.sanu.ac.rs/123456789/4590
AB  - Poly (ε-caprolactone) (PCL) microspheres as a carrier for sustained release of antibacterial agent, selenium nanoparticles (SeNPs), were developed. The obtained PCL/SeNPs microspheres were in the range 1–4 μm with the encapsulation efficiency of about 90%. The degradation process and release behavior of SeNPs from PCL microspheres were investigated in five different degradation media: phosphate buffer solution (PBS), a solution of lipase isolated from the porcine pancreas in PBS, 0.1 M hydrochloric acid (HCl), Pseudomonas aeruginosa PAO1 cell-free extract in PBS and implant fluid (exudate) from the subcutaneously implanted sterile polyvinyl sponges which induce a foreign-body inflammatory reaction. The samples were thoroughly characterized by SEM, TEM, FTIR, XRD, PSA, DSC, confocal microscopy, and ICP-OES techniques. Under physiological conditions at neutral pH, a very slow release of SeNPs occurred (3 and 8% in the case of PBS or PBS + lipase, respectively and after 660 days), while in the acidic environment their presence was not detected. On the other hand, the release in the medium with bacterial extract was much more pronounced, even after 24 h (13%). After 7 days, the concentration of SeNPs reached a maximum of around 30%. Also, 37% of SeNPs have been released after 11 days of incubation of PCL/SeNPs in the implant exudate. These results suggest that the release of SeNPs from PCL was triggered by Pseudomonas aeruginosa PAO1 bacterium as well as by foreign body inflammatory reaction to implant. Furthermore, PCL/SeNPs microspheres were investigated in terms of their biocompatibility. For this purpose, cytotoxicity, the formation of reactive oxygen species (ROS), and genotoxicity were evaluated on HepG2 cell line. The interaction of PCL/SeNPs with phagocytic cell line (Raw 264.7 macrophages) was monitored as well. It was found that the microspheres in investigated concentration range had no acute cytotoxic effects. Finally, SeNPs, as well as PCL/SeNPs, showed a considerable antibacterial activity against Gram-positive bacteria: Staphylococcus aureus (ATCC 25923) and Staphylococcus epidermidis (ATCC 1228). These results suggest that PCL/SeNPs-based system could be an attractive platform for a prolonged prevention of infections accompanying implants. © 2018 Elsevier B.V.
PB  - Elsevier
T2  - Materials Science and Engineering C
T1  - Poly (ε-caprolactone) microspheres for prolonged release of selenium nanoparticles
SP  - 776
EP  - 789
VL  - 96
DO  - 10.1016/j.msec.2018.11.073
ER  - 
@article{
author = "Filipović, Nenad and Veselinović, Ljiljana and Ražić, Slavica and Jeremić, Sanja and Filipič, Metka and Žegura, Bojana and Tomić, Sergej and Čolić, Miodrag and Stevanović, Magdalena",
year = "2019",
url = "http://dais.sanu.ac.rs/123456789/4590",
abstract = "Poly (ε-caprolactone) (PCL) microspheres as a carrier for sustained release of antibacterial agent, selenium nanoparticles (SeNPs), were developed. The obtained PCL/SeNPs microspheres were in the range 1–4 μm with the encapsulation efficiency of about 90%. The degradation process and release behavior of SeNPs from PCL microspheres were investigated in five different degradation media: phosphate buffer solution (PBS), a solution of lipase isolated from the porcine pancreas in PBS, 0.1 M hydrochloric acid (HCl), Pseudomonas aeruginosa PAO1 cell-free extract in PBS and implant fluid (exudate) from the subcutaneously implanted sterile polyvinyl sponges which induce a foreign-body inflammatory reaction. The samples were thoroughly characterized by SEM, TEM, FTIR, XRD, PSA, DSC, confocal microscopy, and ICP-OES techniques. Under physiological conditions at neutral pH, a very slow release of SeNPs occurred (3 and 8% in the case of PBS or PBS + lipase, respectively and after 660 days), while in the acidic environment their presence was not detected. On the other hand, the release in the medium with bacterial extract was much more pronounced, even after 24 h (13%). After 7 days, the concentration of SeNPs reached a maximum of around 30%. Also, 37% of SeNPs have been released after 11 days of incubation of PCL/SeNPs in the implant exudate. These results suggest that the release of SeNPs from PCL was triggered by Pseudomonas aeruginosa PAO1 bacterium as well as by foreign body inflammatory reaction to implant. Furthermore, PCL/SeNPs microspheres were investigated in terms of their biocompatibility. For this purpose, cytotoxicity, the formation of reactive oxygen species (ROS), and genotoxicity were evaluated on HepG2 cell line. The interaction of PCL/SeNPs with phagocytic cell line (Raw 264.7 macrophages) was monitored as well. It was found that the microspheres in investigated concentration range had no acute cytotoxic effects. Finally, SeNPs, as well as PCL/SeNPs, showed a considerable antibacterial activity against Gram-positive bacteria: Staphylococcus aureus (ATCC 25923) and Staphylococcus epidermidis (ATCC 1228). These results suggest that PCL/SeNPs-based system could be an attractive platform for a prolonged prevention of infections accompanying implants. © 2018 Elsevier B.V.",
publisher = "Elsevier",
journal = "Materials Science and Engineering C",
title = "Poly (ε-caprolactone) microspheres for prolonged release of selenium nanoparticles",
pages = "776-789",
volume = "96",
doi = "10.1016/j.msec.2018.11.073"
}
1
4
6
7

Synthesis, characterization and toxicity studies of gelatin modified zinc oxide nanoparticles

Janićijević, Željko; Stanković, Ana; Žegura, Bojana; Veljović, Đorđe; Filipič, Metka; Stevanović, Magdalena

(Belgrade : Institute of Technical Sciences of SASA, 2019)

TY  - CONF
AU  - Janićijević, Željko
AU  - Stanković, Ana
AU  - Žegura, Bojana
AU  - Veljović, Đorđe
AU  - Filipič, Metka
AU  - Stevanović, Magdalena
PY  - 2019
UR  - http://dais.sanu.ac.rs/123456789/6968
AB  - Nanostructured zinc oxides are promising materials for numerous biomedical applications where they can serve as therapeutic agents or tools for sensing and imaging. Despite their favorable properties, wider use of zinc oxide nanoparticles in biomedicine is limited by toxicity issues. Therefore, new synthesis approaches should be devised to obtain zinc oxide nanoparticles which are safe-by-design. We present an innovative low-cost wet precipitation synthesis of gelatin modified zinc oxide nanoparticles at the gel/liquid interface. The diffusion of ammonia through the gelatin hydrogels of different porosities induces precipitation of the product in contact with the surface of the aqueous solution of zinc ions. After thermal treatment of the precipitate, adsorbed organic residues of decomposed gelatin act as modifiers of zinc oxide nanoparticles. We characterized the physicochemical properties of obtained gelatin modified zinc oxide nanoparticles by XRD, FTIR, DTA/TG, and SEM. The synthesized nanoparticles show hexagonal wurtzite structure and form flakelike aggregates. FTIR and DTA/TG analyses indicate that the thermal decomposition of adsorbed gelatin depends on the gelatin content of the hydrogel used in the synthesis. We also examined the viability of HepG2 cells, generation of intracellular reactive oxygen species, and genotoxicity using the MTS, DCFH-DA, and alkaline comet assay, respectively. Fabricated gelatin modified zinc oxide nanoparticles show very low toxicity potential at doses relevant for human exposure.
PB  - Belgrade : Institute of Technical Sciences of SASA
C3  - Program and the Book of abstracts / Eighteenth Young Researchers' Conference Materials Sciences and Engineering, December 4-6, 2019, Belgrade, Serbia
T1  - Synthesis, characterization and toxicity studies of gelatin modified zinc oxide nanoparticles
SP  - 3
EP  - 3
ER  - 
@conference{
author = "Janićijević, Željko and Stanković, Ana and Žegura, Bojana and Veljović, Đorđe and Filipič, Metka and Stevanović, Magdalena",
year = "2019",
url = "http://dais.sanu.ac.rs/123456789/6968",
abstract = "Nanostructured zinc oxides are promising materials for numerous biomedical applications where they can serve as therapeutic agents or tools for sensing and imaging. Despite their favorable properties, wider use of zinc oxide nanoparticles in biomedicine is limited by toxicity issues. Therefore, new synthesis approaches should be devised to obtain zinc oxide nanoparticles which are safe-by-design. We present an innovative low-cost wet precipitation synthesis of gelatin modified zinc oxide nanoparticles at the gel/liquid interface. The diffusion of ammonia through the gelatin hydrogels of different porosities induces precipitation of the product in contact with the surface of the aqueous solution of zinc ions. After thermal treatment of the precipitate, adsorbed organic residues of decomposed gelatin act as modifiers of zinc oxide nanoparticles. We characterized the physicochemical properties of obtained gelatin modified zinc oxide nanoparticles by XRD, FTIR, DTA/TG, and SEM. The synthesized nanoparticles show hexagonal wurtzite structure and form flakelike aggregates. FTIR and DTA/TG analyses indicate that the thermal decomposition of adsorbed gelatin depends on the gelatin content of the hydrogel used in the synthesis. We also examined the viability of HepG2 cells, generation of intracellular reactive oxygen species, and genotoxicity using the MTS, DCFH-DA, and alkaline comet assay, respectively. Fabricated gelatin modified zinc oxide nanoparticles show very low toxicity potential at doses relevant for human exposure.",
publisher = "Belgrade : Institute of Technical Sciences of SASA",
journal = "Program and the Book of abstracts / Eighteenth Young Researchers' Conference Materials Sciences and Engineering, December 4-6, 2019, Belgrade, Serbia",
title = "Synthesis, characterization and toxicity studies of gelatin modified zinc oxide nanoparticles",
pages = "3-3"
}

DNA damage and alterations in expression of DNA damage responsive genes induced by TiO2 nanoparticles in human hepatoma HepG2 cells

Petković, Jana; Žegura, Bojana; Stevanović, Magdalena; Drnovšek, Nataša; Uskoković, Dragan; Novak, Saša; Filipič, Metka

(Oxon : Taylor & Francis, 2011)

TY  - JOUR
AU  - Petković, Jana
AU  - Žegura, Bojana
AU  - Stevanović, Magdalena
AU  - Drnovšek, Nataša
AU  - Uskoković, Dragan
AU  - Novak, Saša
AU  - Filipič, Metka
PY  - 2011
UR  - http://dais.sanu.ac.rs/123456789/568
AB  - We investigated the genotoxic responses to two types of TiO2 nanoparticles (<25 nm anatase: TiO2-An, and <100 nm rutile: TiO2-Ru) in human hepatoma HepG2 cells. Under the applied exposure conditions the particles were agglomerated or aggregated with the size of agglomerates and aggregates in the micrometer range, and were not cytotoxic. TiO2-An, but not TiO2-Ru, caused a persistent increase in DNA strand breaks (comet assay) and oxidized purines (Fpg-comet). TiO2-An was a stronger inducer of intracellular reactive oxygen species (ROS) than TiO2-Ru. Both types of TiO2 nanoparticles transiently upregulated mRNA expression of p53 and its downstream regulated DNA damage responsive genes (mdm2, gadd45α, p21), providing additional evidence that TiO2 nanoparticles are genotoxic. The observed differences in responses of HepG2 cells to exposure to anatase and rutile TiO2 nanoparticles support the evidence that the toxic potential of TiO2 nanoparticles varies not only with particle size but also with crystalline structure.
PB  - Oxon : Taylor & Francis
T2  - Nanotoxicology
T1  - DNA damage and alterations in expression of DNA damage responsive genes induced by TiO2 nanoparticles in human hepatoma HepG2 cells
SP  - 341
EP  - 353
VL  - 5
IS  - 3
DO  - 10.3109/17435390.2010.507316
ER  - 
@article{
author = "Petković, Jana and Žegura, Bojana and Stevanović, Magdalena and Drnovšek, Nataša and Uskoković, Dragan and Novak, Saša and Filipič, Metka",
year = "2011",
url = "http://dais.sanu.ac.rs/123456789/568",
abstract = "We investigated the genotoxic responses to two types of TiO2 nanoparticles (<25 nm anatase: TiO2-An, and <100 nm rutile: TiO2-Ru) in human hepatoma HepG2 cells. Under the applied exposure conditions the particles were agglomerated or aggregated with the size of agglomerates and aggregates in the micrometer range, and were not cytotoxic. TiO2-An, but not TiO2-Ru, caused a persistent increase in DNA strand breaks (comet assay) and oxidized purines (Fpg-comet). TiO2-An was a stronger inducer of intracellular reactive oxygen species (ROS) than TiO2-Ru. Both types of TiO2 nanoparticles transiently upregulated mRNA expression of p53 and its downstream regulated DNA damage responsive genes (mdm2, gadd45α, p21), providing additional evidence that TiO2 nanoparticles are genotoxic. The observed differences in responses of HepG2 cells to exposure to anatase and rutile TiO2 nanoparticles support the evidence that the toxic potential of TiO2 nanoparticles varies not only with particle size but also with crystalline structure.",
publisher = "Oxon : Taylor & Francis",
journal = "Nanotoxicology",
title = "DNA damage and alterations in expression of DNA damage responsive genes induced by TiO2 nanoparticles in human hepatoma HepG2 cells",
pages = "341-353",
volume = "5",
number = "3",
doi = "10.3109/17435390.2010.507316"
}
156
147
151

DNA damage and alterations in expression of DNA damage responsive genes induced by TiO2 nanoparticles in human hepatoma HepG2 cells

Petković, Jana; Žegura, Bojana; Stevanović, Magdalena; Drnovšek, Nataša; Uskoković, Dragan; Novak, Saša; Filipič, Metka

(Oxon : Taylor & Francis, 2011)

TY  - JOUR
AU  - Petković, Jana
AU  - Žegura, Bojana
AU  - Stevanović, Magdalena
AU  - Drnovšek, Nataša
AU  - Uskoković, Dragan
AU  - Novak, Saša
AU  - Filipič, Metka
PY  - 2011
UR  - http://dais.sanu.ac.rs/123456789/4672
AB  - We investigated the genotoxic responses to two types of TiO2 nanoparticles (<25 nm anatase: TiO2-An, and <100 nm rutile: TiO2-Ru) in human hepatoma HepG2 cells. Under the applied exposure conditions the particles were agglomerated or aggregated with the size of agglomerates and aggregates in the micrometer range, and were not cytotoxic. TiO2-An, but not TiO2-Ru, caused a persistent increase in DNA strand breaks (comet assay) and oxidized purines (Fpg-comet). TiO2-An was a stronger inducer of intracellular reactive oxygen species (ROS) than TiO2-Ru. Both types of TiO2 nanoparticles transiently upregulated mRNA expression of p53 and its downstream regulated DNA damage responsive genes (mdm2, gadd45α, p21), providing additional evidence that TiO2 nanoparticles are genotoxic. The observed differences in responses of HepG2 cells to exposure to anatase and rutile TiO2 nanoparticles support the evidence that the toxic potential of TiO2 nanoparticles varies not only with particle size but also with crystalline structure.
PB  - Oxon : Taylor & Francis
T2  - Nanotoxicology
T1  - DNA damage and alterations in expression of DNA damage responsive genes induced by TiO2 nanoparticles in human hepatoma HepG2 cells
SP  - 341
EP  - 353
VL  - 5
IS  - 3
DO  - 10.3109/17435390.2010.507316
ER  - 
@article{
author = "Petković, Jana and Žegura, Bojana and Stevanović, Magdalena and Drnovšek, Nataša and Uskoković, Dragan and Novak, Saša and Filipič, Metka",
year = "2011",
url = "http://dais.sanu.ac.rs/123456789/4672",
abstract = "We investigated the genotoxic responses to two types of TiO2 nanoparticles (<25 nm anatase: TiO2-An, and <100 nm rutile: TiO2-Ru) in human hepatoma HepG2 cells. Under the applied exposure conditions the particles were agglomerated or aggregated with the size of agglomerates and aggregates in the micrometer range, and were not cytotoxic. TiO2-An, but not TiO2-Ru, caused a persistent increase in DNA strand breaks (comet assay) and oxidized purines (Fpg-comet). TiO2-An was a stronger inducer of intracellular reactive oxygen species (ROS) than TiO2-Ru. Both types of TiO2 nanoparticles transiently upregulated mRNA expression of p53 and its downstream regulated DNA damage responsive genes (mdm2, gadd45α, p21), providing additional evidence that TiO2 nanoparticles are genotoxic. The observed differences in responses of HepG2 cells to exposure to anatase and rutile TiO2 nanoparticles support the evidence that the toxic potential of TiO2 nanoparticles varies not only with particle size but also with crystalline structure.",
publisher = "Oxon : Taylor & Francis",
journal = "Nanotoxicology",
title = "DNA damage and alterations in expression of DNA damage responsive genes induced by TiO2 nanoparticles in human hepatoma HepG2 cells",
pages = "341-353",
volume = "5",
number = "3",
doi = "10.3109/17435390.2010.507316"
}
156
147
151