NADH Oxidation onto Different Carbon-Based Sensors: Effect of Structure and Surface-Oxygenated Groups

Figure 4

Anodic peak currents versus potential scan rate (a) and square root of potential scan rate (b). NADH concentration: 1 mmol·L⁻¹; scan rates: 5, 10, 20, 40, 60, 80, 100, 150, and 200 mV·s⁻¹. GCE (□), B O-GCE (○), GCE/CB (∆), GCE/MWCNT (∇), and GCE/O-MWCNT (◊).

(a)

(b)