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