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Reference type: Journal
Authors: Yoshikawa M, Izumi J, Kitao T
Article Title: Enantioselective electrodialysis of amino acids with charged polar side chains through molecularly imprinted polymeric membranes containing DIDE derivatives.
Publication date: 1997
Journal: Polymer Journal
Volume: 29
Issue: (3)
Page numbers: 205-210.
DOI: 10.1295/polymj.29.205

Abstract: Molecularly imprinted polymeric membranes, bearing tetrapeptide derivative H-Asp(OcHex)-Ile-Asp(OcHex)-Glu(OBzl)CH2-, were prepared during the membrane preparation (casting) process in the presence of print molecule Boc-L-Trp. The molecularly imprinted membranes thus obtained showed adsorption selectivity toward print molecule family, such as L-Arg, L-Lys, L-His, L-Asp, and L-Glu. The tetrapeptide derivative in the molecularly imprinted membranes preferentially recognized L-amino acid from racemic amino acids. Enantioselective electrodialysis was attained with the present membrane, and L-isomer was permeated in preference to D-isomer, while D-isomer was preferentially permeated by using concentration difference as a driving force for membrane transport. It was made clear that the optical resolution was attained by the molecularly imprinted polymeric membranes
Template and target information: Boc-L-Trp, Boc-L-tryptophan

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