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Reference type: Journal
Authors: Xu Z, Ding L, Jiao YN, Dai H, Xu CL, Wang LB
Article Title: Preparation and evaluation of superparamagnetic surface molecularly imprinted polymer submicron-particles for selective extraction of bisphenol A in river water.
Publication date: 2011
Journal: Chinese Journal of Analysis Laboratory
Volume: 30
Issue: (11)
Page numbers: 60-64.
Alternative URL: http://en.cnki.com.cn/Article_en/CJFDTotal-FXSY201111017.htm

Abstract: Molecularly imprinted polymer (MIP) coated Fe3O4 submicron-particles (Fe3O4@MIP) were synthesized by atom transfer radical polymerization (ATRP) and used as magnetic solid-phase extraction (MSPE) highly special sorbents for trace bisphenol A (BPA) from river water.The morphological and polymeric characteristics of the Fe3O4@MIP were characterized by transmission electron microscopy and Fourier transform infrared spectroscopy.Various parameters such as the pH of sample,the amount of Fe3O4@MIP sorbents,the extraction time,and the desorption conditions were optimized. After separation by Waters C18 column,the sample is detected at the excitation and emission fluorescence at wavelengths of 275 nm and 305 nm. Good linearity(r2 0.9993) for all calibration curves was obtained, and the limit of detection(LOD) for BPA was 0.05 ng/mL in Xiangjiang river samples. The recoveries of spiked BPA in the samples were 95.6%~108.4%. The method was sensitive and simple,and was suitable for the rapid determination of BPA in real environment samples.
Template and target information: bisphenol A, BPA
Author keywords: Superparamagnetic surface molecularly imprinted polymer submicron-particles, BPA, Magnetic solid-phase extraction, HPLC-FLD, Environment samples

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