Figure 7.
(A) CV behaviors of 100 μM DA on Cu-TCPP/graphene/GCE in PBS with different pH values, inset: Epa-pH plot; (B) CV behaviors of 100 μM DA on Cu-TCPP/graphene/GCE in pH 7.0 PBS with different scan rates; (C) plots of Ep-ln (ν).
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