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低估了基于活动的微塑料摄入量,根据特定情景的暴露情况.

Kai Liu1,2,3, Qingqing Li1,3, Anthony L Andrady4

  • 1State Key Laboratory of Estuarine and Coastal Research, East China Normal University, 500 Dongchuan Road, Shanghai, 200062, China.

Environmental science and ecotechnology
|October 20, 2023
PubMed
概括

人类暴露于微塑料 (MPs) 的情况被低估了. 吸入和吸入灰尘,特别是在室内,对每日MP摄入量有很大贡献,突出显示了饮食之外的风险.

关键词:
活动因素是活动因素.风险估计 风险估计吸入和摄入吸入和摄入.微塑料是一种微塑料.模拟模拟是为了模拟.

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科学领域:

  • 环境科学 环境科学
  • 毒理学 毒理学 毒理学
  • 公共卫生 公共卫生

背景情况:

  • 在人体组织和便中检测到微塑料 (MP) 引发了健康问题.
  • 对国会议员进行准确的定量暴露评估是有限的,这阻碍了风险评估.
  • 了解MP暴露在环境现实的水平上至关重要.

研究的目的:

  • 通过吸入和吸入灰尘/土壤来量化人类每日摄入的微塑料.
  • 确定微塑料暴露的关键来源和影响因素.
  • 为了比较非饮食MP摄入量与饮食来源.

主要方法:

  • 利用现实世界的微塑料测量和人类活动模式.
  • 通过吸入和摄入地面灰尘/土壤计算每日MP摄入量.
  • 分析了基于住宅部门,活动强度和行为的暴露变化.

主要成果:

  • 几乎80%的微塑料摄入来自住宅环境.
  • 吸入和吸入灰尘/土壤是以前被低估的显著暴露途径.
  • 微塑料的暴露在18-64岁的成年人中达到顶峰.
  • 由于较高的灰尘摄入,COVID-19封锁与微塑料摄入量增加有关.

结论:

  • 目前的微塑料风险评估可能低估了暴露,忽视了吸入和吸尘.
  • 人类活动模式是微塑料身体负担的关键决定因素.
  • 需要进一步的研究来完善微塑料暴露评估,并了解相关的健康风险.