A New Strategy to Pretreat Carbon Nanofiber and Its Application in Determination of Dopamine

Figure 7

Cyclic voltammograms for the oxidation of DA at the CNF-CPE in 0.1 M PBS (pH 6.0). Scan rate: 50, 100, 150, 200, 250, 300, 350, 400, 450, and 500 mV s^-1. Inset plot shows the peak current versus square root of scan rate.