Title: Electrochemical and electrocatalytic behaviors of poly(ferrocenylsilane)/DNA modified glass carbon electrode
Authors: Cui, Kang
Song, Yonghai ×
Wang, L #
Issue Date: Nov-2008
Publisher: Elsevier science inc
Series Title: Electrochemistry communications vol:10 issue:11 pages:1712-1715
Abstract: Poly(ferrocenylsilane) (PFS), composed of electroactive ferrocene units existing in the polymer main chain, was directly dropped on the DNA modified glassy carbon electrode (GCE). The electrochemical and electrocatalytic behaviors of PFS/DNA/GCE were investigated in detail. Cyclic voltammograms of the PFS/DNA/GCE showed two pairs of reversible redox peaks, indicating a stepwise oxidation of the electroactive units. It was found that DNA film played a key role in immobilizing the PFS and facilitating the electron transfer between electroactive units of PFS and the GCE surface. Moreover, the PFS/DNA/GCE showed a good electrocatalytic ability to the oxidization of ascorbic acid (AA), suggesting it had the potential application as a new type of sensor to detect AA. (C) 2008 Published by Elsevier B.V.
ISSN: 1388-2481
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
× corresponding author
# (joint) last author

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