Tetrathiafulvalene as a mediator for the electrocatalytic oxidation of L-ascorbic acid

The electro-oxidation of ascorbic acid by tetrathiafulvalene (TTF) was examined at carbon electrodes by cyclic voltammetry. At edge plane pyrolytic graphite in solution and a TTF-modified carbon paste electrode, oxidation of ascorbic acid occurs at approximately 0·25 V. While mediation by TTF in sol...

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Bibliographic Details
Published in:Biosensors & bioelectronics 1996, Vol.11 (1), p.191-193
Main Authors: Murthy, A.S.N, Anita
Format: Article
Language:English
Subjects:
ascorbic acid
Biological and medical sciences
Biotechnology
cyclic voltammetry
electro-catalysis
Fundamental and applied biological sciences. Psychology
Methods. Procedures. Technologies
modified electrode
Others
TTF
Various methods and equipments
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Summary:The electro-oxidation of ascorbic acid by tetrathiafulvalene (TTF) was examined at carbon electrodes by cyclic voltammetry. At edge plane pyrolytic graphite in solution and a TTF-modified carbon paste electrode, oxidation of ascorbic acid occurs at approximately 0·25 V. While mediation by TTF in solution is not considerable, it occurs to a limited extent at the modified carbon paste electrode.
ISSN:0956-5663
1873-4235
DOI:10.1016/0956-5663(96)83727-4