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. 2022 Mar 3;10:851178. doi: 10.3389/fchem.2022.851178

FIGURE 3.

FIGURE 3

Cyclic voltammetric curves of (A) K3[Fe(CN)6] (0.5 mM) or (B) Ru(NH3)6Cl3 (0.5 mM) on the bare ITO, SM@VMSF/ITO, and VMSF/ITO electrodes in KHP solution (0.05 M, pH = 7.4). The scan rate is 50 mV s−1.Cyclic voltammetric curves (C) and ECL intensity-potential curves (D) obtained at the bare ITO or VMSF/ITO in 0.1 M PBS (pH 7) containing Ru(bpy)3 2+ (10 μM) and TPrA (3 mM).