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. 2022 Sep 7;10:954802. doi: 10.3389/fchem.2022.954802

FIGURE 3.

FIGURE 3

(A) CV curves obtained at different electrodes in Fe(CN)6 3− (0.5 mM) solution in potassium hydrogen phthalate (KHP, 0.05 M). (B) CV curves obtained at different electrodes in Ru(NH3)6 3+ (0.5 mM) in PBS (0.01 M).