Abstract
AbstractAffinity sites for L‐aspartic acid (L‐Asp) in polyaniline (PAn) were created by two successive processes: first, L‐Asp was simply added as template molecules during the polymerization of aniline; second, L‐Asp incorporated in PAn backbone was extracted by solvent. PAn with cavities complementary to L‐Asp template molecules has been utilized for enantioselective recognition of L‐ and D‐Asp. Enantioselectivity of the imprinted PAn could be attributed to the cavities in the imprinted PAn which was complementary to L‐Asp templates both in shape and in positioning of groups. Also in this paper, the structural changes before and after extraction of L‐Asp templates were revealed by Fourier‐transform infrared (FTIR) spectrum.
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