Direct Electron Transfer of Cytochrome c on ZnO Nanoparticles Modified Carbon Paste Electrode

Figure 6

(a) Cyclic voltammograms obtained at an Cyt c/ZnO NPs/CPE in 0.1 M phosphate buffer solution (pH 7.0) for different concentrations and (b) the relationship between cathodic peak current of cyt c and different concentrations of H₂O₂ (scan rate: 100 mVs⁻¹).

(a)

(b)