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. 2019 Apr 3;19(7):1604. doi: 10.3390/s19071604

Figure 7.

Figure 7

The differential pulse voltammetry (DPV) responses of F-GO/GCE for the detection of CA in the concentration ranging from 0.5 to 100.0 µM (A) and the corresponding calibration plot for the anodic peak current vs. concentration (B) in a 0.1 M B-R buffer solution (pH 2.65).