375831.fig.006a
(a)
375831.fig.006b
(b)
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).