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1.暨南大学 环境与气候学院,广东省环境污染与健康重点实验室,广东 广州 511443
2.中国科学院广州地球化学研究所 先进环境装备与污染防治技术全国重点实验室,广东 广州 510640
游静,博士,教授,研究方向:生态毒理学,E-mail:youjing@jnu.edu.cn
收稿日期:2025-03-14,
修回日期:2025-04-29,
录用日期:2025-05-06,
网络出版日期:2025-05-23,
纸质出版日期:2025-08-15
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孙玉静,程飞,马雪,李慧珍,游静.结合化学分析和生物测试评估典型电子垃圾回收区水体沉积物的雌激素活性[J].分析测试学报,2025,44(08):1676-1682.
SUN Yu-jing,CHENG Fei,MA Xue,LI Hui-zhen,YOU Jing.Assessing Estrogenic Activity in Sediments from a Typical E-waste Recycling Area by a Combination of Chemical Analysis and Bioassays[J].Journal of Instrumental Analysis,2025,44(08):1676-1682.
孙玉静,程飞,马雪,李慧珍,游静.结合化学分析和生物测试评估典型电子垃圾回收区水体沉积物的雌激素活性[J].分析测试学报,2025,44(08):1676-1682. DOI: 10.12452/j.fxcsxb.250314192.
SUN Yu-jing,CHENG Fei,MA Xue,LI Hui-zhen,YOU Jing.Assessing Estrogenic Activity in Sediments from a Typical E-waste Recycling Area by a Combination of Chemical Analysis and Bioassays[J].Journal of Instrumental Analysis,2025,44(08):1676-1682. DOI: 10.12452/j.fxcsxb.250314192.
该研究在广东清远典型电子垃圾回收区周边采集水体沉积物样品,结合化学分析和细胞生物测试定量雌激素效应及潜在污染物。结果显示,沉积物表现出一定的雌激素受体活性,雌激素当量为0.25~0.56 ng/g dw,且多类与雌激素活性相关污染物被检出,包括对羟基苯甲酸酯、三氯生、激素类、烷基酚类和双酚类化合物。雌酮和双酚A是主要贡献者,占沉积物雌激素活性总风险的3.75%~33.6%,其中电子垃圾回收活动是双酚类雌激素干扰物的主要来源。基于化学分析和生物测试技术联合应用,不仅实现了环境痕量类雌激素化合物的高灵敏度鉴别,还通过量化目标污染物对总雌激素活性的贡献率,揭示了环境介质中污染物可能的因果关联效应。该方法为精准识别具有不良生物影响的环境污染物及其风险溯源提供了有效技术支撑。
Understanding the environmental occurrence and biological effects of endocrine-disrupting chemicals associated with e-waste is important. In this study,sediment samples were collected from the vicinity of a typical e-waste recycling area in Qingyuan,Guangdong. Chemical analysis combined with cell-based bioassays were employed to quantify estrogenic effects and identify potential pollutants. The results revealed that the sediments exhibited estrogen receptor activity,with estrogenic equivalents ranging from 0.25 to 0.56 ng/g dw. Various pollutants associated with estrogenic activity were detected,including parabens,triclosan,hormones,alkylphenols and bisphenols. Estrone and bisphenol A were identified as the primary contributors,accounting for 3.75% to 33.6% of the total estrogenic activity in the sediments. The e-waste recycling activities were found to be the main source of bisphenol-related estrogenic disruptors. The combined application of chemical analysis and biological testing techniques not only enables high-sensitivity identification of trace environmental estrogenic compounds but also reveals the possible causative association of pollutants in environmental matrices by quantifying the contributions of target pollutants to the total estrogenic activity. This method provides effective technical support to accurately identify environment pollutants with adverse effects and their potential sources.
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