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Phys Chem Chem Phys. 2011 May 7;13(17):7747-50. doi: 10.1039/c1cp20060g. Epub 2011 Mar 22.

DMF-exfoliated graphene for electrochemical NADH detection.

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  • 1Département de Chimie Moléculaire, UMR 5250, ICMG FR 2607, CNRS, Université Joseph Fourier, BP 53, 38041 Grenoble cedex 9, France. gkeeley@ujf-grenoble.fr

Abstract

The electrochemical detection of NADH is of considerable interest because it is required as a cofactor in a large number of dehydrogenase-based biosensors. However, the presence of oxygenated functionalities on the electrode often causes fouling due to the adsorption of the oxidised form, NAD(+). Here we report an electroanalytical NADH sensor based on DMF-exfoliated graphene. The latter is shown to have a very low oxygen content, facilitating the exceptionally stable and sensitive detection of this important analyte.

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PMID:
21423996
[PubMed - indexed for MEDLINE]
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