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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 22, Number 8
BKCSDE 22(8)
August 20, 2001 

 
Title
Mechanically Immobilized Copper Hexacyanoferrate Modified Electrode for Electrocatalysis and Amperometric Determination of Glutathione
Author
D. Ravi Shankaran, S. Sriman Narayanan
Keywords
Modified electrode, Mechanical immobilization, Glutathione, Copper hexacyanoferrate.
Abstract
A new copper hexacyanoferrate modified electrode was constructed by mechanical immobilization. The modified electrode was characterised by cyclic voltammetric experiments. Electrocatalytic oxidation of glutathione was effective at the modified electrode at a significantly reduced overpotential and at broader pH range. The modified electrode shows a stable and linear response in the concentration range of 9 ×10-5 to 9.9 ×10-4M with a correlation coefficient of 0.9995. The modified electrode exhibits excellent stability, reproducibility and rapid response and can be used in flow injection analysis for the determination of glutathione.
Page
816 - 820
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