TiO₂ Nanoparticles Decorated Graphene Nanoribbons for Voltammetric Determination of an Anti-HIV Drug Nevirapine

Figure 9

Nyquist diagrams of TiO₂/GNR/GCE (a) in the absence (a) and in the presence of 0.2 µM nevirapine and (b) in the presence of 0.2 µM glucose (c). Different concentrations of (b) nevirapine in 0.1 M PBS (pH 11.0). Insets: calibration plots.

(a)

(b)