인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
크롬 서지관리 다운로드
개인구독
소속 기관이 없으신 경우, 개인 정기구독을 하시면 저렴하게
논문을 무제한 열람 이용할 수 있어요.
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
피인용 0
초록·키워드
Manufactured nanomaterials (NMs) are used for various purposes, e.g., as catalysts in chemical reactions, drug delivery devices and consumer products such as sunscreens and cosmetics. Concerns about the potential ecotoxicological effects of NMs are increasing in part because they might have different toxicological characteristics from their larger counterparts. In the present study, we investigated the effects of particle size and UV light on the toxicity of fullerene.
Methods: Two aquatic invertebrates, Daphnia magna and Moina macrocopa, were employed for toxicity tests. By exposure to 4 hr/d sunlight exposure, phototoxicity of fullerene by environmental level of ultraviolet (UV) lights was tested. Aquatic toxicities of stable colloidal suspensions of fullerene aggregates in water (aqu/nC<SUB>60</SUB>) filtered through a 0.2 ㎛ and 0.45 μm filters were compared. Images of the particle were recorded using transmission-electron microscopy, and changes in catalase (CAT) activity were determined in D. magna juveniles after being exposed to sublethal levels of aqu/nC60 and environmental level of UV lights.
Results: Exposure to aqu/nC<SUB>60</SUB> filtered through 0.2 ㎛ filters under environmental level of ultraviolet light was more detrimental to D. magna and M. macrocopa. Antioxidant enzyme activities were increased by coexposure to aqu/nC<SUB>60</SUB> and by sunlight.
Conclusion: Exposure to fullerene leads to oxidative damage to D. magna and it was aggravated by natural sunlight. Further assessment for sublethal effects of fullerene under environmentally relevant conditions should be followed.
Methods: Two aquatic invertebrates, Daphnia magna and Moina macrocopa, were employed for toxicity tests. By exposure to 4 hr/d sunlight exposure, phototoxicity of fullerene by environmental level of ultraviolet (UV) lights was tested. Aquatic toxicities of stable colloidal suspensions of fullerene aggregates in water (aqu/nC<SUB>60</SUB>) filtered through a 0.2 ㎛ and 0.45 μm filters were compared. Images of the particle were recorded using transmission-electron microscopy, and changes in catalase (CAT) activity were determined in D. magna juveniles after being exposed to sublethal levels of aqu/nC60 and environmental level of UV lights.
Results: Exposure to aqu/nC<SUB>60</SUB> filtered through 0.2 ㎛ filters under environmental level of ultraviolet light was more detrimental to D. magna and M. macrocopa. Antioxidant enzyme activities were increased by coexposure to aqu/nC<SUB>60</SUB> and by sunlight.
Conclusion: Exposure to fullerene leads to oxidative damage to D. magna and it was aggravated by natural sunlight. Further assessment for sublethal effects of fullerene under environmentally relevant conditions should be followed.
본문·목차
인공지능 문자 인식 모델을 통해 추출된 텍스트로, 일부 오타나 오류가 포함될 수 있으나 지속적으로 개선 중입니다.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
최근 본 자료 전체보기
UCI(KEPA) : I410-ECN-0101-2016-517-000925196
