Fluorescence-based detection of single-nucleotide changes in RNA using graphene oxide and DNAzyme.

Chem Commun (Camb)

Department of Bioscience and Biotechnology, Konkuk University, Seoul 143-701, Republic of Korea.

Published: April 2015

AI Article Synopsis

  • A straightforward fluorometric technique is introduced for detecting single-nucleotide alterations in RNA using graphene oxide and an RNA-cleaving DNAzyme.
  • The method involves annealing a fluorescent DNA probe (F-DNA) to RNA fragments created by the DNAzyme that targets mutant RNA.
  • The formation of the F-DNA-RNA duplex reduces the quenching effect on F-DNA fluorescence caused by graphene oxide, enhancing detection.

Article Abstract

We report a simple fluorometric method for detection of single-nucleotide changes in RNA using graphene oxide (GO) and RNA-cleaving DNAzyme. The fluorescent DNA probe (F-DNA) was annealed to RNA fragments generated by RNA cleavage with DNAzyme specific to mutant RNA. The F-DNA-RNA duplex attenuated the quenching of F-DNA fluorescence by GO.

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Source
http://dx.doi.org/10.1039/c4cc09603gDOI Listing

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