Issue 8, 2010

Nanoelectronic biosensors based on CVD grown graphene

Abstract

Graphene, a single-atom-thick and two-dimensional carbon material, has attracted great attention recently. Because of its unique electrical, physical, and optical properties, graphene has great potential to be a novel alternative to carbon nanotubes in biosensing. We demonstrate the use of large-sized CVD grown graphene films configured as field-effect transistors for real-time biomolecular sensing. Glucose or glutamate molecules were detected by the conductance change of the graphene transistor as the molecules are oxidized by the specific redox enzyme (glucose oxidase or glutamic dehydrogenase) functionalized onto the graphene film. This study indicates that graphene is a promising candidate for the development of real-time nanoelectronic biosensors.

Graphical abstract: Nanoelectronic biosensors based on CVD grown graphene

Supplementary files

Article information

Article type
Paper
Submitted
08 ربيع الأول 1431
Accepted
28 ربيع الثاني 1431
First published
28 جمادى الثانية 1431

Nanoscale, 2010,2, 1485-1488

Nanoelectronic biosensors based on CVD grown graphene

Y. Huang, X. Dong, Y. Shi, C. M. Li, L. Li and P. Chen, Nanoscale, 2010, 2, 1485 DOI: 10.1039/C0NR00142B

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