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Figure 5 | Journal of Analytical Science and Technology

Figure 5

From: Application of a modified graphene nanosheet paste electrode for voltammetric determination of methyldopa in urine and pharmaceutical formulation

Figure 5

Chronoamperograms obtained at 2,7-BFGPE in 0.1 M PBS (pH 7.0) for different concentrations of methyldopa. Numbers 1 to 6 correspond to 0.0, 0.1, 0.4, 0.7, 1.1, and 1.6 mM of methyldopa, respectively. Insets: (A) Plots of I vs. t−1/2 obtained from chronoamperograms 2 to 6. (B) Plot of the slope of the straight lines against methyldopa concentration.

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