Fig. 4

Differential pulse voltammogram of 5.0 × 10–6 M of BOS using: Glassy carbon, Bare PGE, and PGE/Au-NPs electrode with scan rate of 50 mV/s, showing anodic peak at 0.975 V.

Differential pulse voltammogram of 5.0 × 10–6 M of BOS using: Glassy carbon, Bare PGE, and PGE/Au-NPs electrode with scan rate of 50 mV/s, showing anodic peak at 0.975 V.