Figure 5

Cyclic voltammograms depicting the effects of concentration and pH (A, B) on the electrochemical behavior of Ag@Fe3O4/ZnO NPs for methemoglobin detection and their corresponding line graphs (C, D) in 0.1Â M PBS.
Cyclic voltammograms depicting the effects of concentration and pH (A, B) on the electrochemical behavior of Ag@Fe3O4/ZnO NPs for methemoglobin detection and their corresponding line graphs (C, D) in 0.1Â M PBS.