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Reference type: Journal
Authors: Seong H, Lee HB, Park K
Article Title: Glucose binding to molecularly imprinted polymers.
Publication date: 2002
Journal: Journal of Biomaterials Science-Polymer Edition
Volume: 13
Issue: (6)
Page numbers: 637-649.
DOI: 10.1163/156856202320269139

Abstract: The main goal of this study was to prepare molecularly imprinted polymers (MIPs) with glucose recognition sites and to evaluate their glucose-binding properties for potential applications in glucose sensing and self-regulating insulin delivery devices. To mimic glucose-binding sites of natural proteins, monomers possessing functional groups similar to amino acids were used. Vinyl acetic acid (VAA), acrylamide (AAm), 4-pentenoic acid (PA), and allyl benzene (AB) were copolymerized with a cross-linking agent (N,N'- methylenebisacrylamide, BIS) in the presence of glucose as a template. The binding affinity of glucose to MIPs was examined by using an equilibrium dialysis technique. The dissociation constants of the MIPs were determined by Scatchard analysis. MIPs showed glucosebinding affinity, white polymers synthesized in the absence of glucose template did not show a glucose- binding property. MIPs composed of VAA, AAm, PA, and AB at optimized mole ratios of monomers and cross-linker showed the highest glucose-binding affinity, KD = 1.66 mm, which is comparable to that of a well-known glucose binding protein, concanavalin A (K-D = 1.84 mm). The affinity between monomer and glucose was in the order VAA > AAm > AB > PA


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