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. 2014 Jun 10;15(3):035005. doi: 10.1088/1468-6996/15/3/035005

Figure 4.

Figure 4

(a) CV plots of N-OMC/PVA/Lac/Au (A), OMC/PVA/Lac/Au (B) and N-OMC/PVA/Au (C) electrodes in 0.1 M PBS (pH 5.0) containing 0.05 mM catechol. (b) Current versus the square root of scan rate plots of N-OMC/PVA/Lac/Au electrode in 0.1 M PBS (pH 5.0) containing 0.05 mM catechol. Inset of figure 4(b): CV plots of the N-OMC/PVA/Lac/Au electrode in 0.1 M PBS (pH 5.0) containing 0.05 mM catechol at different scan rates from inner to outer: 10, 30, 50, 80, and 100 mV*s−1. (c) Calibration plot of pH vs potential. Inset of figure 4(c): CV plots of the N-OMC/PVA/Lac/Au electrode in 0.1 M PBS (pH 5.0) containing 0.05 mM catechol (pH: 4, 5, 6, 7 and 8).