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논문 기본 정보

자료유형
학술저널
저자정보
Sun-Hwa Nam (Konkuk University) Yu-Jin Shin (Konkuk University) Youn-Joo An (Konkuk University)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제22권 제4호
발행연도
2017.12
수록면
426 - 431 (6page)

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초록· 키워드

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Some phototoxicity of titanium dioxide nanoparticles (TiO₂ NPs) has been reported in recent years in studies with fish embryos or larvae. However, it is necessary to focus on the potential effects of embryonic exposure due to irreversible abnormalities and mortalities observed in sac-fry, and to expand various fish embryos to generate multiple test species. The aim of this study was to evaluate the effects of TiO₂ NPs under different irradiation conditions in exposed Oryzias latipes (O. latipes) at the embryonic and sac-fry stages. The effects of different irradiation conditions were observed using ultra-violet (UV) and visible light, and the corresponding effects were monitored by determining cumulative mortality and abnormality. O. latipes were exposed for 8 d to 0, 1, 5, 10, or 50 mg/L TiO₂ NPs under UV (4,818.86 mW/m² at the bottom of clear vials) or visible light, after which the embryos were transferred to NP-free embryo-rearing solution until 16 days post fertilization (dpf). Abnormalities of embryos and sac-fry increased at high TiO₂ NP concentrations under UV irradiation, compared to control samples treated with visible light or UV irradiation alone. This work provides information regarding the phototoxicity of TiO₂ NPs using O. latipes at the embryonic and sac-fry stages.

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ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2018-539-001524204