Fig. 6From: Nanomaterial-based environmental sensing platforms using state-of-the-art electroanalytical strategiesCVs of DES at the GR/Nano-Au/GCE electrode with different concentrations. Inset is the plot of the oxidation peak current versus concentration of DES. (Reprinted with permission from Reference Ma and Chen 2015). © 2015 ElsevierBack to article page