Fig. 4

(A) Typical DPV curves responding to different concentration of target miRNA. (B) Plot of DPV peak current vs. logarithm of target miRNA concentration from 1 fM to 10 nM. The error bars represent standard deviations.
(A) Typical DPV curves responding to different concentration of target miRNA. (B) Plot of DPV peak current vs. logarithm of target miRNA concentration from 1 fM to 10 nM. The error bars represent standard deviations.