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Reference type: Journal
Authors: Wang DS, Wei Q, Zhang YJ, Zhao CS
Article Title: Molecularly imprinted polyethersulfone microfibers for the binding and recognition of bisphenol A.
Publication date: 2009
Journal: Journal of Applied Polymer Science
Volume: 114
Issue: (6)
Page numbers: 4036-4041.
DOI: 10.1002/app.31028

Abstract: Bisphenol A (BPA)-imprinted polyethersulfone (PES) microfibers for the recognition of BPA were prepared by means of wet-spinning method based on the liquid-liquid phase separation technique. Two kinds of the BPA-imprinted microfibers were fabricated with the diameters of about 85 mum and 265 mum, respectively. Extraction of BPA from the microfibers was carried out by immersing the imprinted microfibers into ethanol. In the recognition experiments, the binding amounts were about 24.0, 43.0, and 70.0 mumol/g for the nonimprinted microfibers, whereas those were about 50.0, 87.0, 120.0 mumol/g for the imprinted PES microfibers with the diameter of about 85 mum in 100, 200, and 400 muM BPA solution, respectively. Both of the binding amounts and the adsorption rate for the imprinted microfibers with smaller diameter were higher than that for the microfibers with larger diameters. The selectivity results indicated that the BPA-imprinted microfibers showed higher recognition coefficient (alpha) for BPA than phenol. 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2009
Template and target information: bisphenol A, BPA
Author keywords: microfiber, molecularly imprinting, bisphenol A, Polyethersulfone


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