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Reference type: Journal
Authors: Lin ZK, He QY, Wang LT, Wang XD, Dong QX, Huang CJ
Article Title: Preparation of magnetic multi-functional molecularly imprinted polymer beads for determining environmental estrogens in water samples.
Publication date: 2013
Journal: Journal of Hazardous Materials
Volume: 252-253
Page numbers: 57-63.
DOI: 10.1016/j.jhazmat.2013.02.041
Alternative URL: http://www.sciencedirect.com/science/article/pii/S030438941300157X

Abstract: Magnetic multi-functional molecularly imprinted polymer (mag-MFMIP) beads were prepared for determining environmental estrogens in water samples. This novel material adopted a superparamagnetic microparticle as the supporter and used 17β-estradiol (E2) as the imprinting template, aiming for recognizing many kinds of environmental estrogens simultaneously. Characterization analysis and binding experiments revealed that mag-MFMIP beads had outstanding magnetic property, large adsorption capacity and high competitive selectivity to most of the commonly seen environmental estrogens. When mag-MFMIP beads were used as dispersed solid-phase extraction (SPE) adsorbents in water samples, the recoveries of estriol (E3), bisphenol A (BPA), E2 and ethynylestradiol (EE) were 72.2 - 92.1%, 89.3 - 96.0%, 93.3 - 102% and 89.7 - 95.9%, respectively with relative standard deviation (RSD) lower than 7.0%. These results indicated that mag-MFMIP beads had the potential to be the common adsorbents for many kinds of environmental estrogens, representing a novel application of MIPs in the field of environmental chemistry
Template and target information: 17β-estradiol, E2, environmental estrogens, estriol, E3, bisphenol A, BPA, ethynylestradiol, EE
Author keywords: Environmental estrogen, molecularly imprinted polymer, superparamagnetic, Dispersed adsorbent, Water sample

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