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Simultaneous determination of bisphenol A and its halogenated analogues in soil by fluorescence polarization assay

文献类型： 外文期刊

作者： Guan, Tianzhu 1 ; Sun, Yonghai 1 ; Zhang, Tiehua 1 ; Li, Tiezhu 2 ; Li, Zhuolin 2 ; Zhang, Yue 3 ; Zhang, Jie 1 ; Wang, Y 1 ;

作者机构： 1.Jilin Univ, Coll Food Sci & Engn, Changchun 130022, Jilin, Peoples R China

2.Jilin Acad Agr Sci, Inst Agr Resources & Environm, Changchun 130033, Jilin, Peoples R China

3.Grain & Oil Sanitat Inspect & Monitoring Stn, Changchun 132000, Jilin, Peoples R China

关键词： Bisphenol analogues;Dexamethasone fluorescein;Fluorescence polarization;Multi-residue detection;Peroxisome proliferator-activated receptor;Soil

期刊名称：JOURNAL OF SOILS AND SEDIMENTS （ 影响因子：3.308； 五年影响因子：3.586 ）

ISSN： 1439-0108

年卷期： 2018 年 18 卷 3 期

页码：

收录情况： SCI

摘要： Extensive use of bisphenol A (BPA) and its analogues has caused increasing concern over the potential adverse health impacts of these chemicals. The aim of this study was to develop a fluorescence polarization (FP) assay to detect bisphenol A, bisphenol AF (BPAF), tetrabromobisphenol A (TBBPA), and tetrachlorobisphenol A (TCBPA) simultaneously. A recombinant peroxisome proliferator-activated receptor alpha ligand binding domain (mPPAR alpha-LBD*) was chosen as recognition element in developed FP procedure. The environmental soil samples were assayed for (1) analytical parameters, (2) matrix effect, (3) recovery experiment, and (4) HPLC validation. For statistical analysis, GraphPad Prism 5 software was used. Under the optimized conditions, this assay had an IC50 of 2.80, 6.84, 4.67, and 4.66 mu g g(-1) for BPA, BPAF, TBBPA, and TCBPA, respectively. The developed assay demonstrated the limits of detection (LODs) of 0.35, 0.21, 0.27, and 1.03 mu g g(-1) for these four compounds, which could meet the requirement of environmental monitoring. For spiked soil samples, mean recoveries of the analytes ranged from 85.3 to 101.1%, yielding coefficient of variations (CVs) ranged from 9.8 to 17.5%. In this study, a broad-specificity receptor protein for BPA, BPAF, TBBPA, and TCBPA was produced and was used to develop an FP assay in soil samples. The efficiency and simplicity of the proposed assay define its possible application as a screening tool for environmental monitoring.

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