• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Environmental Pollution >Accumulation and distribution of organophosphate flame retardants (PFRs) and their di-alkyl phosphates (DAPs) metabolites in different freshwater fish from locations around Beijing, China
【24h】

Accumulation and distribution of organophosphate flame retardants (PFRs) and their di-alkyl phosphates (DAPs) metabolites in different freshwater fish from locations around Beijing, China

机译：来自中国北京各地的不同淡水鱼中有机磷酸酯阻燃剂（PFR）及其二烷基磷酸酯（DAP）代谢产物的积累和分布

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Organophosphate flame retardants (PFRs) can be rapidly metabolized in the body, and recent studies have shown that the di-alkyl phosphates (DAPs) are important metabolites. The accumulation and distribution of 8 PFRs and their 4 DAPs metabolites were first investigated in whole-body samples and various tissues of three freshwater fish species (topmouth gudgeon, crucian carp and loach) with different feeding habits from locations around Beijing, China. Concentrations of PFRs in whole-body samples across all sampling locations ranged from 264.7 to 1973 ng g(-1), lipid weight (1w), while all the paired DAP metabolites were detected in the total range from 35.3 to 510 ng g(-1) 1w. The calculated log bioconcentration factors (BCFs) of PFRs in whole fish were correlated with their log K-ow (P < 0.05). The metabolite/parent ratios (MPRs) of Sigma DAPs were calculated and ranged from 0.10 to 1.12 in whole-fish of all species. The MPRs of BBOEP/TBOEP were the highest. With respect to their distribution in different tissues, both the parent PFRs and metabolites were found at relatively higher levels in the liver than in other tissues (muscle, intestine, kidney and ovary), which was markedly different from those observed in avian species in previous studies. The accumulation of PFRs and DAPs in various tissues was not significantly correlated with the lipid content. The highest PFRs level in the liver may be related to the active hepatic accumulation processes. Meanwhile, the MPRs for all 4 pairs were the highest in the kidney relative to the other tissues. To the best of our knowledge, this is first study of DAPs in wild animals, and our study may improve the understanding of the accumulation and metabolism of PFRs in the body. (C) 2017 Elsevier Ltd. All rights reserved.
机译：有机磷酸酯阻燃剂（PFR）可以在体内快速代谢，最近的研究表明，磷酸二烷基酯（DAP）是重要的代谢产物。首先在中国北京各地的三种取食习惯不同的淡水鱼物种（top嘴g 、,鱼和泥ach）的全身样本和各种组织中，研究了8种PFRs及其4种DAPs代谢物的积累和分布。在所有采样位置的全身样本中，PFR的浓度范围为264.7至1973 ng g（-1），脂质重量（1w），而所有成对的DAP代谢物的总检测范围为35.3至510 ng g（- 1）1瓦计算出的全鱼中PFR的对数生物富集因子（BCF）与其对数K-ow相关（P <0.05）。计算了所有物种全鱼中Sigma DAP的代谢物/父母比例（MPR），范围为0.10至1.12。 BBOEP / TBOEP的MPR最高。就它们在不同组织中的分布而言，在肝脏中发现母体PFR和代谢产物的水平都高于其他组织（肌肉，肠，肾和卵巢），这与以前在禽类中观察到的明显不同。学习。 PFRs和DAPs在各种组织中的积累与脂质含量没有显着相关。肝脏中最高的PFRs水平可能与活跃的肝累积过程有关。同时，相对于其他组织，所有四对的MPR在肾脏中最高。据我们所知，这是对野生动物中DAP的首次研究，我们的研究可能会增进对PFR在体内积累和代谢的了解。 （C）2017 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Environmental Pollution》 |2017年第10期|548-556|共9页
  • 作者

    Hou Rui; Liu Cao; Gao Xiaozhong; Xu Yiping; Zha Jinmiao; Wang Zijian;

  • 作者单位

    Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China|Chinese Acad Sci, Ecoenvironm Sci Res Ctr, State Key Lab Environm Aquat Chem, Beijing 100085, Peoples R China|Univ Chinese Acad Sci, Beijing 100049, Peoples R China;

    Beijing Water Sci Technol Inst, Beijing 100085, Peoples R China;

    Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China|Chinese Acad Sci, Ecoenvironm Sci Res Ctr, State Key Lab Environm Aquat Chem, Beijing 100085, Peoples R China|Univ Chinese Acad Sci, Beijing 100049, Peoples R China;

    Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China;

    Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China;

    Chinese Acad Sci, Ecoenvironm Sci Res Ctr, State Key Lab Environm Aquat Chem, Beijing 100085, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Organophosphate flame retardants (PFRs); Metabolites; Di-alkyl phosphates (DAPs); Freshwater fish; Tissue distribution;

    机译：有机磷阻燃剂（PFR）;代谢产物;磷酸二烷基酯（DAP）;淡水鱼;组织分布;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号