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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.6
- 수록면
- 194 - 201 (8page)
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초록· 키워드
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Objectives: Zinc oxide nanoparticles (ZnO NPs) are widely used in various commercial products, but they are exposed to the environment and can induce toxicity. In this study, we investigated the environmental fate and bioaccumulation of ZnO NPs in a microcosm. Methods: The microcosm was composed of water, soil (Lufa Soil 2.2) and organisms (Oryzias latipes, Neocaridina denticulata, Semisulcospira libertina). Point five and 5 mg/L of ZnO NPs were exposed in the microcosm for 14 days. Total Zn concentrations were measured using an Inductively Coupled Plasma Mass Spectrometer (ICP-MS) and intracellular NPs were observed using Transmission Electron Microscopy (TEM). Results: In the initial stages of exposure, the Zn concentrations in water increased in all exposure groups and then decreased, while the Zn concentration in soil increased after three hours for the 5 mg/L solution. Zn concentrations also showed increasing trends in N. denticulata and S. libertina at 0.5 and 5 mg/L, and in O. latipes at 5 mg/L. Accumulation of NPs was found in the livers of O. latipes and hepatopancreas of N. denticulata and S. libertina. Conclusions: In the early stages of exposure, ZnO NPs remained in the water, and then were transported to the soil and test species. Unlike other species, total Zn concentrations in N. denticulata and S. libertina increased for both 0.5 mg/L and 5 mg/L. Therefore, ZnO NPs were more easily accumulated in zoobenthos than in fish.
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등록된 정보가 없습니다.
참고문헌 (18)
참고문헌 신청
Ma DD / 2016 / Engineered nanoparticles induce cell apoptosis: potential for cancer therapy / Oncotarget 7(26):40882~40903
Wang F / 2016 / Arbuscular mycorrhizae alleviate negative effects of zinc oxide nanoparticle and zinc accumulation in maize plants – a soil microcosm experiment / Chemosphere 147:88~97
Piccinno F / 2012 / Industrial production quantities and uses of ten engineered nanomaterials in Europe and world / J. Nanopart. Res 14:1109~1120
Lopes S / 2014 / Zinc oxide nanoparticles toxicity to Daphnia magna: size-dependent effects and dissolution / Environ. Toxicol. Chem 33(1):190~198
Danovaro R / 2008 / Sunscreens cause coral bleaching by promoting viral infections / Environ. Health Prespect 116(4):441~447
Wang F / 2016 / Arbuscular mycorrhizae alleviate negative effects of zinc oxide nanoparticle and zinc accumulation in maize plants – a soil microcosm experiment / Chemosphere 147:88~97
Piccinno F / 2012 / Industrial production quantities and uses of ten engineered nanomaterials in Europe and world / J. Nanopart. Res 14:1109~1120
Lopes S / 2014 / Zinc oxide nanoparticles toxicity to Daphnia magna: size-dependent effects and dissolution / Environ. Toxicol. Chem 33(1):190~198
Danovaro R / 2008 / Sunscreens cause coral bleaching by promoting viral infections / Environ. Health Prespect 116(4):441~447
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