Seoul National University · Environmental Science
Kyungho Choi 교수의 연구실은 환경독소와 화학물질의 생물학적 영향을 중심으로 한 환경독성학 및 생체반응 평가를 주요 연구 분야로 삼고 있습니다. 특히 흡착성 높은 유기물질인 PFAS(퍼플로로알킬 화합물), 항생제, 벤조페논 유사 화합물, 그리고 옵포스포레이트 에스터 등 환경에 광범위하게 존재하는 화학물질의 생태독성 및 인간 건강 영향을 다룹니다. 세포주기, 어류 배아 모델, 수생 생물 등을 활용한 독성 평가와 함께, 인간 집단 데이터를 기반으로 한 실생활 노출과 만성질환 간의 연관성 분석도 수행하고 있습니다.
Figures are computed from collected data and may differ slightly.
Two major axes of survey research are quantitative research method and qualitative research method. But in the statistics, quantitative research method is treated as a tool. Thus in this paper, we review that comparing the qualitative research with quantitative research. From the discussion of the c...
Because of their global distribution, persistence, and tendency to bioaccumulate, concerns about perfluorooctane sulfonic acid (PFOS) and perfluorooctanoic acid (PFOA) are growing. We determined the toxicity of PFOS and PFOA in several freshwater organisms, including two cladocerans, Daphnia magna and Moina macrocopa, and the teleost Oryzias latipes. In general, PFOS is approximately 10 times more toxic than PFOA in these organisms. In M. macrocopa, the median lethal concentration (LC50) was 17.
We evaluated the occurrence of three antibiotics (roxithromycin, trimethoprim, and chloramphenicol) in surface water and effluents from several sewage treatment plants (STPs) on the Han River, Korea. In addition, standard acute toxicity tests were conducted using the microbe Vibrio fischeri, freshwater macroinvertebrates Daphnia magna and Moina macrocopa, and fish (Oryzias latipes) for these antibiotics. Antibiotics were more frequently detected at higher amounts in effluent samples and in sampl
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