Figure 11
(A) Impedance graphs of unmodified GCE and Ag@Fe3O4/ZnO modified GCE in [Fe(CN)6]3−/4− and KCl (B) at various concentrations of methemoglobin, and (C) at different pH.
Figure 11 | Scientific Reports
(A) Impedance graphs of unmodified GCE and Ag@Fe3O4/ZnO modified GCE in [Fe(CN)6]3−/4− and KCl (B) at various concentrations of methemoglobin, and (C) at different pH.
