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Reference type: Journal
Authors: Itou Y, Nakano M, Yoshikawa M
Article Title: Optical resolution of racemic amino acid derivatives with molecularly imprinted membranes from tetrapetide consisting of glycinyl residues.
Publication date: 2008
Journal: Journal of Membrane Science
Volume: 325
Issue: (1)
Page numbers: 371-375.
DOI: 10.1016/j.memsci.2008.07.051
Alternative URL: http://www.sciencedirect.com/science/article/B6TGK-4T542D0-2/2/5255633fa8c88bf169f82bd5882494f7

Abstract: Molecularly imprinted polymeric membranes were prepared from polystyrene resin bearing tetrapeptide of glycine. The tetrapeptide was converted into a chiral recognition site by using the d- or l-isomer of N-α-tert-butoxycarbonyltryptophan (Boc-Trp) as a print molecule. The d-isomer was incorporated into the membrane imprinted by Boc-d-Trp in preference to the corresponding l-isomer and vice versa. Those molecularly imprinted membranes showed chiral separation ability. In the enantioselective electrodialysis, the observed permselectivity corresponded to the adsorption selectivity of ca. 2.3 at the optimum potential difference of 2.0áV
Template and target information: Boc-Trp, Boc-L-Trp, Boc-D-Trp, N-a-tert-butoxycarbonyltryptophan
Author keywords: chiral separation, electrodialysis, molecular imprinting, Nylon 2, optical resolution, peptide, permselectivity, tetrapeptide


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