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Reference type: Journal
Authors: Hatanaka M, Nishioka Y, Yoshikawa M
Article Title: Chiral separation with polyurea membrane consisting of L-lysinyl residue: Proposal of facile method for prediction of permselectivity.
Publication date: 2013
Journal: Journal of Applied Polymer Science
Volume: 128
Issue: (1)
Page numbers: 123-131.
DOI: 10.1002/app.38141

Abstract: Novel chiral polyureas were prepared from L-lysine-4-nitroanilide and 2,4-toluene diisocyanate. The polyurea thus prepared gave a durable self-standing membrane that can be directly converted into molecular recognition membranes by applying an alternative molecular imprinting. The Z-D-glutamic acid (D-Glu) molecularly imprinted membrane adsorbed D-Glu in preference to L-glutamic acid (L-Glu) from racemic mixture of Glu and vice versa. Those two types of molecularly imprinted membrane showed optical resolution ability, adopting a concentration gradient as a driving force for membrane transport. A facile method to predict permselectivity of racemic mixture of charged permeant was proposed. From the observed membrane resistance, the permselectivity was predicted. The predicted permselectivity coincided with the observed one. 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013
Template and target information: Z-D-glutamic acid, D-Glu, Z-L-glutamic acid, L-Glu
Author keywords: chiral separation, lysinyl residue, molecular imprinting, optical resolution, permselectivity, polyurea, prediction of permselectivity


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