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Reference type: Journal
Authors: Janiak DS, Ayyub OB, Kofinas P
Article Title: Effects of charge density on the recognition properties of molecularly imprinted polyampholyte hydrogels.
Publication date: 2010
Journal: Polymer
Volume: 51
Issue: (3)
Page numbers: 665-670.
DOI: 10.1016/j.polymer.2009.12.022
Alternative URL: http://www.sciencedirect.com/science/article/B6TXW-4Y34WDD-3/2/e3c3e9fe2f367da841792659960afc03

Abstract: Molecularly imprinted polymers are synthetic materials designed to selectively bind to a templated molecule. In this study, the effect of including both positive and negative charges simultaneously into the hydrogel network on the selective recognition properties of the MIP is examined. Using 3-methacrylamidopropyl trimethylammonium chloride (MAPTAC) as a cationic monomer and 2-acrylamido-2-methylpropane sulfonic acid (AMPS) as an anionic monomer, various ratios of positive to negative charges were tested. Selective recognition properties were dependant on the type of charged monomer that made up a majority of the hydrogel's mass. Additionally, polyampholyte MIPs exhibited less swelling than previously studied polyelectrolyte hydrogels
Template and target information: protein, bovine hemoglobin, Bhb
Author keywords: Molecular, imprinting, hydrogel


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