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Detoxification and Antioxidant Defence of Marine Medaka(Ozyzias melastigma) Liver against Hexavalent Chromium Exposure

Abstract

近年来,随着工业化进程的深入和沿海城市化的发展,工农业和城市生活污水的排入,导致近海海域铬污染问题日益严重,对海洋生物生存和人类健康造成了危害。海洋青鳉鱼(Oryziasmelastigma)因其对水质、环境变化敏感,被广泛应用于海洋污染物的毒理学研究中,是一种新兴的海洋生态毒理学模式生物。为探究海洋鱼类对六价铬暴露的抗氧化防御、解毒机制,本论文以海洋青鳉鱼成鱼肝脏、幼鱼为材料,进行了初步探讨。得到以下结果: (1)以3月龄海洋青鳉鱼成鱼进行Cr6+暴露试验,试验组Cr6+浓度设置为2.6lmg/L、5.22mg/L、10.44mg/L、20.88mg/L、41.77mg/L五个浓度,暴露时...During recent years, with acceleration of the industrialization and the development of coastal cities, wastewater from industry, agriculture and municipality pour into the coastal seawater, posing direct and indirect threats to marine organisms and human health. Marine medaka (Oryzia melastigma) is a new promising experimental organism for marine ecotoxicology for being sensitive to the change of ...学位:理学硕士院系专业:生命科学学院_遗传学学号:2162013115251

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