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Reference type: Journal
Authors: Huang JX, Egan VM, Guo HL, Yoon JY, Briseno AL, Rauda IE, Garrell RL, Knobler CM, Zhou FM, Kaner RB
Article Title: Enantioselective discrimination of D- and L-phenylalanine by chiral polyaniline thin films.
Publication date: 2003
Journal: Advanced Materials
Volume: 15
Issue: (14)
Page numbers: 1158-1161.
DOI: 10.1002/adma.200304835
Alternative URL: http://www.calstatela.edu/dept/chem/Zhou/publications/advancedmater.pdf

Abstract: Chirality is induced in polyaniline by doping with (R)- camphorsulfonic acid ((R)-CSA). Once de-doped, polyaniline films cast from solution remain chiral and can discriminate between the D- and L-enantiomers of phenylalanine, as the en Figure shows: chiral polyaniline appears green when doped with R-CSA (a) and blue when dedoped (b). De-doped films exposed to D-phenylalanine remain blue (c), but turn green in the presence of L-phenylalanine (d)

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