Fig. 3

DPV responses of different electrode in Tris–HCl buffer after incubated in 0.02 μM MB. (a) The cDNA/apt/AuE, (b) the CAs-cDNA/apt/AuE
DPV responses of different electrode in Tris–HCl buffer after incubated in 0.02 μM MB. (a) The cDNA/apt/AuE, (b) the CAs-cDNA/apt/AuE