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Abstract: Copolymers having methacrylic acid and amphiphilic quaternized ammonium groups were used for preparation of molecular imprinting membrane of uracil (URA) template. The imprinted polymeric membranes were prepared by phase inversion molecular imprinting by using poly(acrylonitrile-co-methylacrylic acid) [P(AN-co-MAA)] and poly(acrylonitrile-co-vinylbenzyl-stearyldimethylamine chloride) [P(AN-co-SMA)]. Evidence confirmed that both copolymers were mixed to form ion complex by electrostatic interaction between the methacrylic acid and the quaternized ammonium groups. The electrostatic networks of the resultant membranes made the membrane dense and useful for molecule recognition of the template. The imprinted membranes made of different mole ratio of their copolymer segments were examined in binding of URA and other analog molecules.
Template and target information: uracil, URA
Author keywords: molecular imprinting, amphiphilic quaternized group, ion complex membrane, uracil, adsorbent