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. 2016 Oct 6;16(10):1651. doi: 10.3390/s16101651

Figure 4.

Figure 4

(A) cyclic voltammograms of 2.0 mM [Fe(CN)6]4-/3-probe at scan rate of 100 mV/s and (B) Nyquist plots for (a) bare SPCE, (b) SPCE/MWCNT modified electrode, (c) SPCE/MWCNT/N-(3-dimethylaminopropyle)-N-ethyle-carbodiimide (EDC) activated modified electrode, (d) SPCE/MWCNT/EDC activated/Apt modified electrode, and (e) SPCE/MWCNT/EDC activated/Apt/Mucine modified electrode.