Figure 2

CV plots at different scan rates (10–100 mV/s) of (a) NIP/ITO and (b) MIP/ITO electrodes in pH 7.4 PBS containing 5 mM of [Fe(CN)₆]^3−/4−. Corresponding insets showed peak current (I_pa and I_pc) vs. √v (upper) and peak potentials (E_pa and E_pc) vs. √v (lower) for respective electrodes.