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题名: A rapid and fully automatic method for the accurate determination of a wide carbon-chain range of per- and polyfluoroalkyl substances (C4-C18) in human serum
作者: Gao, Ke; Gao, Yan; Li, Yili; Fu, Jianjie; Zhang, Aiqian
刊名: JOURNAL OF CHROMATOGRAPHY A
出版日期: 2016-11-04
卷号: 1471, 期号:0, 页码:1-10
关键词: Fully automatic ; On-line turboflow SPE ; PFASs ; Short- and long-chain PFASs ; Human serum
DOI: 10.1016/j.chroma.2016.09.050
部门归属: 环境化学与生态毒理学国家重点实验室
英文摘要: A rapid and fully automatic method for determining 21 per- and polyfluoroalkyl substances (with carbon chains ranging from C4 to C18, including 13 PFCAs, 5 PFCAs, 2 Cl-PFESAs, and PFOSA) in human serum samples was developed. The HPLC parameters, Turboflow column, mobile phase, sample injection volume, loading flow rate, and sample cleanup and elution time were optimized. 25 mu L serum sample was directly injected into the developed on-line Turboflow SPE HPLC-MS/MS system for analysis after dilution. Matrix effects were corrected due to the matrix removal efficiency of the Turboflow column and sufficient types of internal isotope standards that were used. The established method showed a good linearity (r(2)>0.99), rapid processing time (20 min per sample), satisfactory recoveries (matrix spiked recoveries range from 84.6% to 114%) and precision (intra-day and inter-day RSDs ranged from 1.5% to 9.2% and from 1.1% to 7.0%, respectively). The limits of detection (LODs) of the 21 analyzed PFASs were between 0.008 and 0.19 ngmL(-1). The LODs of short- and long-chain PFASs, such as PFBA, PFPeA, PFHxDA, and PFODA, were 0.008, 0.022, 0.15 and 0.19 ngmL(-1), respectively; the spiked recoveries of these PFASs were 101, 105, 87.1, and 85.8%, respectively. Both the LODs and recoveries were better than previous studies. Further, serum PFASs concentrations detected by the presented on-line SPE method were consistent with the traditional off-line SPE method (r: 0.98-0.99), which verified the accuracy and applicability of the present method. The method shows good practical prospects in the analysis of trace per- and polyfluoroalkyl substances in human serum. (C) 2016 Elsevier B.V. All rights reserved.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/35794
Appears in Collections:环境化学与生态毒理学国家重点实验室_期刊论文

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