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. 2019 Jan 30;19(3):590. doi: 10.3390/s19030590

Figure 3.

Figure 3

(a) Cyclic voltammograms in 0.1 M NaPB, pH = 7.0 at AuNP-modified sensor for different scan rates: 10, 20, 30, 50, 70, 90 and 110 mV s−1; (b) Plots of both peak currents Ipa and Ipc vs. the square root of the scan rate.