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Reference type: Journal
Authors: Riskin M, Tel-Vered R, Willner I
Article Title: The Imprint of Electropolymerized Polyphenol Films on Electrodes by Donor-Acceptor Interactions: Selective Electrochemical Sensing of N,N'-dimethyl-4,4'-bipyridinium (Methyl Viologen).
Publication date: 2007
Journal: Advanced Functional Materials
Volume: 17
Issue: (18)
Page numbers: 3858-3863.
DOI: 10.1002/adfm.200700303

Abstract: Polyphenol is electropolymerized on a Au electrode in the presence of N,N'-dimethyl-4,4'-bipyridinium, methyl viologen, MV2+, to yield an imprinted film for MV2+. The association and dissociation of MV2+ to and from the imprinted sites is studied by electrochemical means and compared to the interactions of MV2+ with the non-imprinted polymer. Donor-acceptor interactions provide the driving force for the formation of the imprinted sites. The imprinted polymer reveals selectivity toward the association of MV2+, and the polymer-bound MV2+ enables vectorial electron transfer between the electrode and redox label dissolved in the bulk electrolyte solution
Template and target information: N,N'-dimethyl-4,4'-bipyridinium, methyl viologen, MV2+
Author keywords: electrodes, molecular imprinting, polymers, sensors


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