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题名: Molecularly imprinted polymer microspheres prepared by Pickering emulsion polymerization for selective solid-phase extraction of eight bisphenols from human urine samples
作者: Yang, Jiajia1, 2;  Li, Yun1;  Wang, Jincheng1;  Sun, Xiaoli1, 2;  Cao, Rong1, 2;  Sun, Hao1, 3;  Huang, Chaonan1, 2;  Chen, Jiping1
关键词: Molecularly imprinted polymer microsphere ;  Pickering emulsion polymerization ;  Solid-phase extraction ;  Bisphenols ;  Human urine
刊名: ANALYTICA CHIMICA ACTA
发表日期: 2015-05-04
DOI: 10.1016/j.aca.2015.02.058
卷: 872, 页:35-45
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: The bisphenol A (BPA) imprinted polymer microspheres were prepared by simple Pickering emulsion polymerization. Compared to traditional bulk polymerization, both high yields of polymer and good control of particle sizes were achieved. The characterization results of scanning electron microscopy and nitrogen adsorption-desorption measurements showed that the obtained molecularly imprinted polymer microsphere (MIPMS) particles possessed regular spherical shape, narrow diameter distribution (30-60 mu m), a specific surface area (S-BET) of 281.26 m(2) g(-1) and a total pore volume (V-t) of 0.459 cm3 g(-1). Good specific adsorption capacity for BPA was obtained in the sorption experiment and good class selectivity for BPA and its seven structural analogs (bisphenol F, bisphenol B, bisphenol E, bisphenol AF,bisphenol S, bisphenol AP and bisphenol Z) was demonstrated by the chromatographic evaluation experiment. The MIPMS as solid-phase extraction (SPE) packing material was then evaluated for extraction and clean-up of these bisphenols (BPs) from human urine samples. An accurate and sensitive analytical method based on the MIPMS-SPE coupled with HPLC-DAD has been successfully established for simultaneous determination of eight BPs from human urine samples with detection limits of 1.2-2.2 ng mL(-1). The recoveries of BPs for urine samples at two spiking levels (100 and 500 ng mL(-1) for each BP) were in the range of 81.3-106.7% with RSD values below 8.3%. (C) 2015 Elsevier B.V. All rights reserved.
关键词[WOS]: PERFORMANCE LIQUID-CHROMATOGRAPHY ;  PRECIPITATION POLYMERIZATION ;  UNITED-STATES ;  WATER ;  NANOPARTICLES ;  PARTICLES ;  ANALOGS ;  NANOSPHERES ;  RECOGNITION ;  SEDIMENT
语种: 英语
WOS记录号: WOS:000353218600004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146188
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, Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Liaoning Univ, Dept Chem, Shenyang 110000, Peoples R China

Recommended Citation:
Yang, Jiajia,Li, Yun,Wang, Jincheng,et al. Molecularly imprinted polymer microspheres prepared by Pickering emulsion polymerization for selective solid-phase extraction of eight bisphenols from human urine samples[J]. ANALYTICA CHIMICA ACTA,2015,872:35-45.
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