International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Open Access | Fully Refereed | Peer Reviewed

ISSN: 2319-7064

Downloads: 105

Research Paper | Biology | India | Volume 4 Issue 5, May 2015

The Graphene Base DNA Sensing

Tarun M Radadiya

Abstract: Coupling nano materials with bio molecular recognition events represents a new direction in nanotechnology toward the development of novel molecular diagnostic tools. Here a graphene oxide (GO) -based multicolor fluorescent DNA nano probe that allows rapid, sensitive, and selective detection of DNA targets in homogeneous solution by exploiting interactions between GO and DNA molecules is reported. Because of the extraordinarily high quenching efficiency of GO, the fluorescent ssDNA probe exhibits minimal background fluorescence, while strong emission is observed when it forms a double helix with the specific targets, leading to a high signal-to-background ratio. Importantly, the large planar surface of GO allows simultaneous quenching of multiple DNA probes labeled with different dyes, leading to a multicolor sensor for the detection of multiple DNA targets in the same solution. It is also demonstrated that this GO-based sensing platform is suitable for the detection of a range of analytes when complemented with the use of functional DNA structures.

Keywords: graphene oxide, DNA, biosensor, properties

Edition: Volume 4 Issue 5, May 2015,

Pages: 1831 - 1840

How to Cite this Article?

Tarun M Radadiya, "The Graphene Base DNA Sensing", International Journal of Science and Research (IJSR),, Volume 4 Issue 5, May 2015, 1831 - 1840

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