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题名: Maternal transfer of dechloranes and their distribution among tissues in contaminated ducks
作者: Wu, Ping-Fan; Yu, Lian-Lian; Li, Long; Zhang, Yun; Li, Xing-Hong
刊名: CHEMOSPHERE
出版日期: 2016-05
卷号: 150, 期号:0, 页码:514-519
关键词: DP and DP-like compound ; Tissue-specific distribution ; Maternal transfer ; Duck
DOI: 10.1016/j.chemosphere.2015.11.008
部门归属: 环境化学与生态毒理学国家重点实验室
英文摘要: The tissue concentrations of dechlorane plus and its analogues were determined in ducks collected from several e-waste recycling villages of Taizhou, China. Compared with the published literature, the relatively high concentrations of these compounds were detected in ducks, indicating serious DP contamination. Since both the duck meat and eggs were important components for diet, this result reminded us of keeping a watchful eye on human dietary exposure to DP and its analogues in this study area. The wet weight concentrations of DP and its analogues were significantly related to tissue lipid content (p < 0.05), indicating that the lipid pools predominantly impacted the distribution of DPs in ducks. On the basis of lipid adjustment, the significantly lower levels in brain than those in liver and blood, displayed the occurrence of liver sequestration and blood brain barrier to DP and its analogues in the duck (p < 0.05). The maternal transfer of DP and Mirex was not obviously limited, and the transferring extent of Dec 602 was over one. The stereo-selected accumulation of two DP isomers occurred among tissues with preference to syn-DP in blood, and to anti-DP in brain. The values of lipid-adjusted monodechlorinated products mainly originated from the exterior environment in ducks. (C) 2015 Elsevier Ltd. All rights reserved.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/35889
Appears in Collections:环境化学与生态毒理学国家重点实验室_期刊论文

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