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我国典型电子垃圾循环区域人体血清中得克隆浓度及时间变化趋势

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董梦洁, 李兴红. 我国典型电子垃圾循环区域人体血清中得克隆浓度及时间变化趋势[J]. 环境化学, 2020, (8): 2035-2043. doi: 10.7524/j.issn.0254-6108.2019051404
引用本文: 董梦洁, 李兴红. 我国典型电子垃圾循环区域人体血清中得克隆浓度及时间变化趋势[J]. 环境化学, 2020, (8): 2035-2043. doi: 10.7524/j.issn.0254-6108.2019051404
shu
DONG Mengjie, LI Xinghong. The concentrations and temporal trend of dechlorane plus in human serum collected from a typical e-waste recycling area in China[J]. Environmental Chemistry, 2020, (8): 2035-2043. doi: 10.7524/j.issn.0254-6108.2019051404
Citation: DONG Mengjie, LI Xinghong. The concentrations and temporal trend of dechlorane plus in human serum collected from a typical e-waste recycling area in China[J]. Environmental Chemistry, 2020, (8): 2035-2043. doi: 10.7524/j.issn.0254-6108.2019051404
shu

我国典型电子垃圾循环区域人体血清中得克隆浓度及时间变化趋势

  • 1. 中国科学院生态环境研究中心, 北京, 100085;

  • 2. 中国科学院大学, 北京, 100049

    • 通讯作者: 李兴红, E-mail: lxhzpb@rcees.ac.cn
  • 基金项目:

    国家自然科学基金（21477157，21777185）资助.

The concentrations and temporal trend of dechlorane plus in human serum collected from a typical e-waste recycling area in China

  • 1. Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China;

  • 2. University of Chinese Academy of Sciences, Beijing, 100049, China

    • Corresponding author: LI Xinghong, lxhzpb@rcees.ac.cn
  • Fund Project: Supported by the National Natural Science Foundation of China (21477157,21777185).

  • 摘要: 得克隆（dechlorane plus，DP）是一种新型阻燃剂.本研究以我国浙江省台州市典型电子垃圾循环区域LQ为研究区域，以生活于该区域的普通人群及电子垃圾拆解工人为研究对象，开展了DP的人群负荷及近4年间（2014-2018年）人群负荷变化趋势的研究.研究结果显示，LQ地区2014年普通人群血清DP负荷平均值为6.31 ng·g-1脂重（lipid weight，lw），2018年为6.53 ng·g-1lw；高于非电子垃圾拆解区普通人群.2018年，LQ地区电子垃圾拆解工人血清DP水平中值为52.8 ng·g-1lw，高于当地普通人群血清水平.2014年至2018年，普通人群血清DP水平没有明显变化.DP血清水平与性别及年龄没有显著相关性.2018年，LQ地区普通人群血清fanti[anti-DP/（syn-DP+anti-DP）]平均值为0.65，电子垃圾拆解工人血清fanti平均值为0.52，前者显著高于后者（P<0.001）.血清fanti值可被用于初略判断研究对象的特征，即研究人群为普通人群，生活于DP污染区的普通人群，还是直接受到高水平DP暴露的职业工人；确切的结论还有待开展进一步的研究予以阐明.研究结果可以为评价LQ地区DP的人群暴露风险提供基础数据，为决策者制定DP的全球应用策略提供数据支持.
    Abstract: Dechlorane plus (DP) is an emerging chlorinated flame retardant. In this study, the serum samples from the general population and e-waste dismantling workers living in LQ town, a typical e-waste recycling site in southeastern China, were collected to investigate DP body burden and temporal trend during the past four years (2014-2018). The median values of ∑ DPs levels in the general population were 6.31 ng·g-1 lipid weight (lw) in 2014 and 6.53 ng·g-1 lw in 2018, respectively. Both were exactly higher than those in the general population from other non-electric waste recycling regions. The median value of ∑ DPs levels in dismantling occupational population in 2018 was 52.8 ng·g-1lw, significantly higher than the DP levels in LQ general population. No statistical differences of DP serum concentrations in LQ general population were observed between 2014 and 2018. DP serum levels showed an insignificant correlation with either human ages or gender. In 2018, the mean value of serum fanti was 0.65 in the general population, and 0.52 in e-waste dismantling workers, respectively. The serum fanti could be used to indicate some population characteristics. For instance, research subjects were the general population from DP non-contaminated areas, or the general population living nearby the contaminated areas as well as the occupational population highly exposed to DP. Further researches are required to confirm this finding. Our results provided important data for the environmental risk assessment of DP in LQ region and for the global application strategy of DP.
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  • 收稿日期:  2019-05-14
董梦洁, 李兴红. 我国典型电子垃圾循环区域人体血清中得克隆浓度及时间变化趋势[J]. 环境化学, 2020, (8): 2035-2043. doi: 10.7524/j.issn.0254-6108.2019051404
引用本文: 董梦洁, 李兴红. 我国典型电子垃圾循环区域人体血清中得克隆浓度及时间变化趋势[J]. 环境化学, 2020, (8): 2035-2043. doi: 10.7524/j.issn.0254-6108.2019051404
shu
DONG Mengjie, LI Xinghong. The concentrations and temporal trend of dechlorane plus in human serum collected from a typical e-waste recycling area in China[J]. Environmental Chemistry, 2020, (8): 2035-2043. doi: 10.7524/j.issn.0254-6108.2019051404
Citation: DONG Mengjie, LI Xinghong. The concentrations and temporal trend of dechlorane plus in human serum collected from a typical e-waste recycling area in China[J]. Environmental Chemistry, 2020, (8): 2035-2043. doi: 10.7524/j.issn.0254-6108.2019051404
shu

我国典型电子垃圾循环区域人体血清中得克隆浓度及时间变化趋势

    通讯作者: 李兴红, E-mail: lxhzpb@rcees.ac.cn
  • 1. 中国科学院生态环境研究中心, 北京, 100085;
  • 2. 中国科学院大学, 北京, 100049
  • 收稿日期:  2019-05-14
基金项目:

国家自然科学基金（21477157，21777185）资助.

摘要: 得克隆（dechlorane plus，DP）是一种新型阻燃剂.本研究以我国浙江省台州市典型电子垃圾循环区域LQ为研究区域，以生活于该区域的普通人群及电子垃圾拆解工人为研究对象，开展了DP的人群负荷及近4年间（2014-2018年）人群负荷变化趋势的研究.研究结果显示，LQ地区2014年普通人群血清DP负荷平均值为6.31 ng·g-1脂重（lipid weight，lw），2018年为6.53 ng·g-1lw；高于非电子垃圾拆解区普通人群.2018年，LQ地区电子垃圾拆解工人血清DP水平中值为52.8 ng·g-1lw，高于当地普通人群血清水平.2014年至2018年，普通人群血清DP水平没有明显变化.DP血清水平与性别及年龄没有显著相关性.2018年，LQ地区普通人群血清fanti[anti-DP/（syn-DP+anti-DP）]平均值为0.65，电子垃圾拆解工人血清fanti平均值为0.52，前者显著高于后者（P<0.001）.血清fanti值可被用于初略判断研究对象的特征，即研究人群为普通人群，生活于DP污染区的普通人群，还是直接受到高水平DP暴露的职业工人；确切的结论还有待开展进一步的研究予以阐明.研究结果可以为评价LQ地区DP的人群暴露风险提供基础数据，为决策者制定DP的全球应用策略提供数据支持.

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