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Electrocatalytic Reduction of NAD+ at Multi-walled Carbon Nanotubes Modified Electrode

✍ Scribed by Chen Li-Ming; Ding Fei; Wang Huan; Zhang Wen; Lu Jia-Xing

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
88 KB
Volume
23
Category
Article
ISSN
0256-7660

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✦ Synopsis

Abstract

The cyclic voltammetric (CV) behaviors of NAD^+^ were studied with a multi‐walled carbon nanotubes (MWNTs) modified glassy carbon (GC) electrode. In 0.05 mol/L tris(hydroxymethyl)aminomethane‐HCl (Tris‐HCl) buffer solution (pH=6.9), the MWNTs modified electrode showed high electrocatalytic activity toward reduction of NAD^+^. The electroreduction of NAD^+^ was an irreversible diffusion controlled process. The cathodic peak current in‐creased linearly with increasing the concentration of NAD^+^. The influences of scan rate, temperature and concentration were also investigated.

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