Highly Sensitive Electrochemical Sensor for the Determination of 8-Hydroxy-2′-deoxyguanosine Incorporating SWCNTs-Nafion Composite Film

Figure 6

(a) Cyclic voltammograms in 0.1 M PBS (pH 7.4) containing 5 μM 8-OHdG at different scan rates from 5 mV/s to 500 mV/s on the SWCNTs-Nafion/GCE. (b) Dependence of the peak current on the scan rates from 5 mV/s to 500 mV/s.

(a)

(b)