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学科主题: 物理化学
题名: Highly selective dummy molecularly imprinted polymer as a solid-phase extraction sorbent for five bisphenols in tap and river water
作者: Sun, Xiaoli1;  Wang, Jincheng1;  Li, Yun1;  Jin, Jing1;  Zhang, Baoqin1;  Shah, Syed Mazhar1;  Wang, Xueli1;  Chen, Jiping1
通讯作者: 陈吉平
关键词: Molecularly imprinted polymers ;  Dummy template ;  Class-selective ;  Solid-phase extraction ;  Bisphenols
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2014-05-23
DOI: 10.1016/j.chroma.2014.03.063
卷: 1343, 期:1, 页:33-41
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Physical Sciences
类目[WOS]: Biochemical Research Methods ;  Chemistry, Analytical
研究领域[WOS]: Biochemistry & Molecular Biology ;  Chemistry
英文摘要: A simple and fast method for both dummy template selection and polymer composition optimization is proposed here. A series of dummy templates for bisphenols imprinting were screened by running them on a non-imprinted polymer (NIP) column with porogen solvent as mobile phase. The tested dummy templates mainly involved bisphenol S (BPS), bromobisphenol A (TBBPA), bisphenol F (BPF), bisphenol E (BPE), bisphenol B (BPB), bisphenol AF (BPAF), 2,2',6,6'-tetramethy1-4,4'-sulfonyldiphenol (BS-TM) and 4,4'-diaminodiphenylmethane (DADPM). Different monomers and porogens were also investigated for BPS and DADPM using the same method. BPS dummy template was finally selected with acetonitrile and 4-VP as porogen and monomer. The resulting dummy molecularly imprinted polymer (DMIP) achieved superior affinities for BPF, BPE, BPA, BPB and BPAF with imprinting factors 14.5, 13.8, 8.7, 5.7 and 4.2, respectively. An efficient method based on BPS-DMIP-SPE coupled with HPLC-UV was developed for selective extraction of BPF, BPE, BPA, BPB and BPAF in water samples. The method showed excellent recoveries (89.4-102.0%) and precision (RSD 0.3-4.8%, n =5) for tap and river water samples spiked at three concentration levels each (40, 200 and 1000 ng L-1). The detection limits ranged between 2.2 and 3.8 ng L-1 with a sample volume of 500 mL. The result demonstrated the superiority of the optimized method for selective extraction of BPs in water samples at the ng L-1 level. (c) 2014 Elsevier B.V. All rights reserved.
关键词[WOS]: CHROMATOGRAPHY-MASS SPECTROMETRY ;  ENDOCRINE-DISRUPTING COMPOUNDS ;  PERFORMANCE LIQUID-CHROMATOGRAPHY ;  PRECIPITATION POLYMERIZATION ;  HUMAN EXPOSURE ;  TRACE ANALYSIS ;  UNITED-STATES ;  A BPA ;  ANALOGS ;  SURFACE
语种: 英语
WOS记录号: WOS:000336195800005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144063
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Sun, Xiaoli,Wang, Jincheng,Li, Yun,et al. Highly selective dummy molecularly imprinted polymer as a solid-phase extraction sorbent for five bisphenols in tap and river water[J]. JOURNAL OF CHROMATOGRAPHY A,2014,1343(1):33-41.
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