Duo-molecularly Imprinted Polymer-coated Magnetic Particles for Class-selective Removal of Endocrine-disrupting Compounds from Aqueous Environment

Overview

Journal Environ Sci Pollut Res Int

Publisher Springer

Specialties Environmental Health
Toxicology

Date 2012 Oct 26

PMID 23097074

Citations 2

Authors

Xinlong Xia

Edward P C Lai

Banu Ormeci

Affiliations

Soon will be listed here.

Abstract

The removal of steroid and phenolic endocrine-disrupting compounds (EDCs) from an aqueous environment was investigated using magnetic particles encapsulated by a duo-molecularly imprinted polymer (duo-MIP). The effect of environmental variables on the binding efficiency was studied. Experimental results showed that the amount of EDCs adsorbed was neither affected by up to 10.0 mM NaCl nor significantly interfered by up to 10.0 mg/L humic acid. Negligible influence was observed from pH 3.3 to pH 6.8, but a decrease started at pH 9. Freundlich isotherm parameters indicated binding capacities in the order of DES > E2 ∼ E1 > BPA. The applicability of class-selective removal was verified using river water samples spiked with these EDCs at 10 μg/L; the binding efficiencies were 90, 90, 88, and 98 % for estrone (E1), 17β-estradiol (E2), bisphenol A (BPA), and diethylstilbestrol (DES), respectively. A reuse investigation verified constant binding capacities exhibiting <2 % reduction after seven cycles of regeneration.

Citing Articles

Application of molecularly imprinted polymers in wastewater treatment: a review.

Huang D, Wang R, Liu Y, Zeng G, Lai C, Xu P Environ Sci Pollut Res Int. 2014; 22(2):963-77.

PMID: 25280502 DOI: 10.1007/s11356-014-3599-8.

Fast determination of sulfonamides and their acetylated metabolites from environmental water based on magnetic molecularly imprinted polymers.

Chen H, Zhang Y, Gao B, Xu Y, Zhao Q, Hou J Environ Sci Pollut Res Int. 2013; 20(12):8567-78.

PMID: 23677753 DOI: 10.1007/s11356-013-1795-6.

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