Figure 4

(a–g) SWV of positive samples, and (h) SWV of a negative sample, using PANI/Au NPs modified ITO electrode and in a potential window (−0.7 V to 0.0 V).
(a–g) SWV of positive samples, and (h) SWV of a negative sample, using PANI/Au NPs modified ITO electrode and in a potential window (−0.7 V to 0.0 V).