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. 2019 Feb 4;9:1226. doi: 10.1038/s41598-018-37573-9

Figure 4.

Figure 4

Electrocatalytic reaction mechanism of AA interaction with NFG/Ag/PANI nanocomposite. (A) CVs for different modification states: (i) NFG/Ag/PANI in 0.02 M PBS without ascorbic acid (AA), (ii) NFG, (iii) PANI, (iv) NFG/PANI, and (v) NFG/Ag/PANI in 0.02 M PBS with 25 mM AA at 100 mV.s−1. (B) CVs of NFG/Ag/PANI electrode at different scan rates of 10, 25, 50, 100, 200, 500, 700 mV.s−1 in 5 mM AA and 0.02 M PBS. The plot of peak current versus (C) the ʋ½ and (D) ʋ, respectively.