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水体中PCDD/Fs生物标示器的研究进展 被引量：1

Advance in Biomarker of PCDDs/Fs in Aquatic Body
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摘要 水生生物体内PCDDs/Fs的累积作用是通过3种途径实现的,包括通过鳃和表皮从水中的直接摄入(生物富集),水中悬浮颗粒的摄取(吞入)和污染食物的消耗(生物放大)。鱼体内的PCDDs/Fs含量可以在一定程度上反映水体的PCDDs/Fs污染水平。但是,由于鱼体的生物-沉积物累积因子相当低,其作为生物累积标示的可能性仍有待进一步的研究。鱼体肝脏的总细胞色素P450、细胞色素P4501A、乙氧基试卤灵-O-脱乙基酶。 PCDDs/Fs can be accumulated by aquatic organism through three different mechanisms including the direct uptake from water by gills or skin (bioconcentration), uptake of suspended particles (ingestion) and the consumption of contaminated food (biomagnification). The content of PCDDs/Fs in fish body could reflect PCDDs/Fs concentration of biota-sediment accumulation factor of PCDDs/Fs. Fish hepatic total cytochrome P 450, cytochrome P450 1A, ethoxyresorufin O-deethylase, superocide dismutase and lipid peroxidation demonstrated to be sensitive and useful biochemical biomarkers for PCDDs/Fs contamination in aquatic environment.
作者 鲍剑冰 唐翔宇
机构地区 嘉兴市秀城区水利局 中国科学院生态环境研究中心
出处 《云南环境科学》 2004年第3期1-7,共7页 Yunnan Environmental Science
基金 国家自然科学基金(20307011)
关键词 PCDDs/Fs 生物累积作用 鱼 生物标示器 PCDDs/Fs bioaccumulation fish biomarker
分类号 X502 [环境科学与工程—环境工程]
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参考文献52

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云南环境科学
2004年 第3期

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