Journal
TALANTA
Volume 64, Issue 1, Pages 121-129Publisher
ELSEVIER
DOI: 10.1016/j.talanta.2004.02.010
Keywords
ascorbate; electroanalysis; biosensor; polyaniline
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The present short review deals with electroanalytical aspects of electrochemical response of ascorbic acid (Vitamin C) at conducting and electrogenerated polymer modified electrodes. Two main topics are considered: (i) electrocatalytic oxidation of ascorbate at conducting polymer modified electrodes, leading to electroanalytical techniques for ascorbate assay, and (ii) retardation of ascorbate penetration through a layer of electrogenerated polymers, leading to permselective coatings and their diverse uses, especially for biosensing devices. (C) 2004 Elsevier B.V. All rights reserved.
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