Direct Electron Transfer of Hemoglobin on Manganese III Oxide-Ag Nanofibers Modified Glassy Carbon Electrode

Figure 6

(a) Cyclic voltammograms obtained at an Hb/Mn₂O₃-Ag nanofibers/glassy carbon electrode in 50 μM phosphate buffer solution (pH 7.0) for different concentrations and (b) the relationship between cathodic peak current of Hb and different concentrations of H₂O₂ (scan rate: 100 mV s⁻¹).

(a)

(b)