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Reference type: Journal
Authors: Wang YX, Ding Y, Rong F, Fu DG
Article Title: A study of the precipitation polymerization of bisphenol A-imprinted polymer microspheres and their application in solid-phase extraction.
Publication date: 2012
Journal: Polymer Bulletin
Volume: 68
Issue: (5)
Page numbers: 1255-1270.
DOI: 10.1007/s00289-011-0602-0

Abstract: Bisphenol A (BPA) imprinted polymer microspheres were prepared by precipitation polymerization and utilized as sorbents for packing common solid-phase extraction columns. In order to find out the influence of solvent on the size and structure of the microspheres, different ratios of toluene to acetonitrile (0/100, 15/85, 25/75, 30/70, v/v) were used as solvents in the precursor and mainly discussed. Particle size, surface area, and pore volume of BPA-imprinted particles increased with the ratios of toluene in the precursor. The selectivity of the BPA-imprinted particles was evaluated toward structure analogs such as diethylstilbestrol and phenol. Microspheres as prepared were then utilized as sorbents for solid-phase extraction of BPA from urine, with recoveries of 94.63 2.85%
Template and target information: bisphenol A, BPA
Author keywords: precipitation polymerization, solvent, molecular imprinting, Solid-phase extraction, bisphenol A

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