Web Date: June 6, 2012
Supersensitive Detection Of MicroRNAs
MicroRNAs are short strands of RNA, about 22 bases long, that can regulate gene expression. Scientists think that monitoring levels of these nucleic acids could help doctors spot early stages of some cancers. Recently, two research groups have reported new methods to detect microRNA at concentrations around 1 attomolar (Anal. Chem., DOI: 10.1021/ac202405q and 10.1021/ac300483f).
Detecting miRNA is challenging because the . . .
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