An oxidative peak in the cathodic scan is observed in the cyclic voltammetry of glucose at gold electrodes, its peak current density being proportional to glucose concentration in a wide potential range. The application of this phenomenon in blood glucose sensing has been hindered by the presence of inhibitors: the most problematic are chlorides due to their high concentration and difficult separation from glucose. In the present paper we propose a solution to this problem involving a three electrode, four step pulsed electrochemical detection technique.
A new approach to glucose sensing at gold electrodes / M. Pasta, F. La Mantia, Y. Cui. - In: ELECTROCHEMISTRY COMMUNICATIONS. - ISSN 1388-2481. - 12:10(2010 Oct), pp. 1407-1410. [10.1016/j.elecom.2010.07.033]
A new approach to glucose sensing at gold electrodes
M. PastaPrimo
;
2010
Abstract
An oxidative peak in the cathodic scan is observed in the cyclic voltammetry of glucose at gold electrodes, its peak current density being proportional to glucose concentration in a wide potential range. The application of this phenomenon in blood glucose sensing has been hindered by the presence of inhibitors: the most problematic are chlorides due to their high concentration and difficult separation from glucose. In the present paper we propose a solution to this problem involving a three electrode, four step pulsed electrochemical detection technique.
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