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Hexachlorocyclohexane: persistence, toxicity and decontamination

机译：六氯环己烷：持久性，毒性和去污性

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摘要

Hexachlorocyclohexane (HCH), a persistent organochlorine insecticide, has been extensively used in the past for control of agricultural pests and vector borne diseases. The use of HCH has indeed accrued benefits, however the unusual production of the insecticidal isomer; y-HCH (lindane) and unregulated disposal of HCH muck has created various dumpsites all over the world, leading to serious environmental concerns. HCH isomers have been ranked as possible human carcinogens and endocrine disruptors with proven teratogenic, mutagenic and genotoxic effects, hence making its decontamination mandatory. Efforts in this direction have led to the isolation of various HCH degrading bacteria from the dump-sites, reflecting their role in HCH bioremediation. This review summarizes the problem of environmental persistence of HCH isomers along with their toxicity and possible solutions for their decontamination.
机译：六氯环己烷（HCH）是一种持久性有机氯杀虫剂，过去已广泛用于控制农业害虫和病媒传播的疾病。六氯环己烷的使用确实产生了好处，但是杀虫异构体的生产异常。 γ-六氯环己烷（林丹）和六氯环己烷的无规处置已在世界各地造成各种垃圾场，引起了严重的环境问题。六氯环己烷异构体已被列为可能的人类致癌物和内分泌干扰物，具有已证明的致畸，诱变和遗传毒性作用，因此必须对其进行净化。在这一方向上的努力已导致从倾倒场中分离出各种六氯环己烷降解细菌，反映出它们在六氯环己烷生物修复中的作用。这项审查总结了六氯环己烷异构体在环境中的持久性问题及其毒性和消除污染的可能解决方案。

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  • 来源
    《Reviews on environmental health》 |2014年第2期|49-52|共4页
  • 作者

    Namita Nayyar; Naseer Sangwan; Puneet Kohli; Helianthous Verma; Roshan Kumar; Vivek Negi; Phoebe Oldach; Nitish Kumar Mahato; Vipin Gupta; Rup Lal;

  • 作者单位

    Department of Zoology, University of Delhi, Delhi 110007, India;

    Department of Zoology, University of Delhi, Delhi 110007, India;

    Department of Zoology, University of Delhi, Delhi 110007, India;

    Department of Zoology, University of Delhi, Delhi 110007, India;

    Department of Zoology, University of Delhi, Delhi 110007, India;

    Department of Zoology, University of Delhi, Delhi 110007, India;

    Department of Zoology, University of Delhi, Delhi 110007, India;

    Department of Zoology, University of Delhi, Delhi 110007, India;

    Department of Zoology, University of Delhi, Delhi 110007, India;

    Indian Network of Soil Contamination Research, Molecular Biology Laboratory, Department of Zoology, University of Delhi, Delhi 110007, India;

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  • 正文语种 eng
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  • 关键词

    decontamination; hexachlorocyclohexane; insecticide;

    机译：去污;六氯环己烷杀虫剂;

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