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1. Aminated graphene for DNA attachment produced via plasma functionalization.

Author

Baraket, Mira, Stine, Rory, Lee, Woo K., Robinson, Jeremy T., Tamanaha, Cy R., Sheehan, Paul E., and Walton, Scott G.

Subjects
PLASMA gases, GRAPHENE, DNA, NITROGEN, AMINES, CARBON, CHEMICAL vapor deposition
Abstract

We demonstrate the use of a unique plasma source to controllably functionalize graphene with nitrogen and primary amines, thereby tuning the chemical, structural, and electrical properties. Critically, even highly aminated graphene remains electronically conductive, making it an ideal transduction material for biosensing. Proof-of-concept testing of aminated graphene as a bio-attachment platform in a biologically active field-effect transistor used for DNA detection is demonstrated. [ABSTRACT FROM AUTHOR]

Published
2012
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