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Reference type: Journal
Authors: Sellergren B, Ekberg B, Mosbach K
Article Title: Molecular imprinting of amino-acid derivatives in macroporous polymers - demonstration of substrate-selectivity and enantio-selectivity by chromatographic resolution of racemic mixtures of amino-acid derivatives.
Publication date: 1985
Journal: Journal of Chromatography
Volume: 347
Issue: (1)
Page numbers: 1-10.
DOI: 10.1016/S0021-9673(01)95464-0

Abstract: Substrate-selective macroporous polymers were prepared by a non-covalent imprinting procedure. By this method, acrylic polymers selective for D or L-phenylalanine ethyl esters were prepared utilizing coulombic interactions, during polymerization, between the print molecule ( D or L-phenylalanine ethyl ester) and the carboxyl group carried by the vinyl monomers. These polymers, after removal of print molecules, were used in a chromatographic procedure to examine their enatio- and substrate-selectivity for some amino acid derivatives. The best separation factor, a, for D,L-phenylalanine ethyl ester was found to be 1.30. The selectivity persisted to several months after intermittent applications.

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