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水中的微塑料和抗生素:相互作用和环境风险

Jiayi Guo1, Xinbai Jin1, Yi Zhou2

  • 1State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai, 200237, China.

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概括

抗生素 (AT) 吸附到水中的微塑料 (MP),增加了环境风险. 这项研究研究了AT吸附在MPs上及其对水生生态系统中抗生素耐药性基因 (ARG) 的影响.

关键词:
吸附方式 吸附方式 吸附方式抗生素耐药性基因是抗生素耐药性的基因.抗生素 抗生素是一种抗生素.环境风险 环境风险微塑料是一种微塑料.

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科学领域:

  • 环境科学 环境科学
  • 环境化学环境化学
  • 生态毒理学 生态毒理学

背景情况:

  • 抗生素 (AT) 是全球水体中普遍存在的污染物.
  • 微塑料 (MP) 是新兴的污染物,在水生环境中与AT相互作用.
  • 随着AT和MP的同时出现,造成了严重的环境和健康风险.

研究的目的:

  • 为了研究ATs对MPs的吸附.
  • 评估环境因素对AT-MP相互作用的影响.
  • 评估与AT和MP相关的环境风险,包括抗生素耐药性基因 (ARG) 的传播.

主要方法:

  • 关于MPs上的AT吸附机制的文献综述.
  • 分析影响AT-MP相互作用的因素 (pH,离子强度).
  • 评估环境风险,包括ARG分布和水平基因转移.

主要成果:

  • 在MPs上AT吸附通过疏水力,键和静电相互作用发生.
  • 吸附效率因pH和离子强度等环境条件而异.
  • 议员可以影响ARG的分配,放大环境风险.

结论:

  • 在水生系统中AT和MP的共同存在带来了相当大的危险.
  • 需要在现实条件下对MP的AT/ARG吸附进行进一步的研究.
  • 研究MPs上的生物膜形成,聚合和水平基因转移至关重要.