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. 2022 Jan 13;9:812086. doi: 10.3389/fchem.2021.812086

FIGURE 5.

FIGURE 5

(A) CV curves of APAP (20 μM) obtained on SNF/CDG/AuF in 0.1 M PBS at various pH values. (B) The plots of anodic and cathodic peak potential with pH values. (C) DPV curves and oxidation peak currents (D) measured on SNF/CDG/AuF towards APAP (20 μM) in 0.1 M PBS (pH 3.0) at different accumulation time.