Fig. (9) (a) Cyclic Voltammogram of 1×10^-4 M of RC in 0.1 M PBS (pH 7) at BGPE (dashed line) and PAMGPE (solid line) with the scan rate of 0.1 V/s, (b) Cyclic Voltammogram of RC at PAMGPE in 0.1 M PBS (pH 7) at different scan rates (0.1 to 0.200 V s⁻¹⁾, (c) Ipa Vs Scan rate.