Fig. 4
Evaluation of the sensitivity of the biosensor. A DPV curves responding to different concentrations of the target m6A DNA: a 0 pM, b 0.001 pM, c 0.01 pM, d 0.1 pM, e 1.0 pM, f 10 pM, g 100 pM, h 1000 pM. B The linear relationship between DPV signal and the logarithm of target m6A DNA concentration. All results expressed as mean ± standard variation (n = 3). *Unpaired t test and one-way ANOVA with Tukey pairwise comparison (p < 0.001)