A Voltammetric Sensor Based on NiO Nanoparticle-Modified Carbon-Paste Electrode for Determination of Cysteamine in the Presence of High Concentration of Tryptophan

<table>Plot of peak currents versus cysteamine concentration. Insert: square-wave voltammograms of cysteamine and tryptophan under the optimum conditions. 20.0 <i>μ</i>M tryptophan with cysteamine concentrations of (from inner to outer) (1) 0.1(2); 2.0; (3) 8.0; (4) 13.0; and (5) 25.0 <i>μ</i>M.</table>

Journal of Chemistry

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Figure 6

Figure 6: A Voltammetric Sensor Based on NiO Nanoparticle-Modified Carbon-Paste Electrode for Determination of Cysteamine in the Presence of High Concentration of Tryptophan 

Figure 6 | A Voltammetric Sensor Based on NiO Nanoparticle-Modified Carbon-Paste Electrode for Determination of Cysteamine in the Presence of High Concentration of Tryptophan 