A Voltammetric Sensor Based on NiO Nanoparticle-Modified Carbon-Paste Electrode for Determination of Cysteamine in the Presence of High Concentration of Tryptophan
Figure 2
Cyclic voltammograms of (a) the buffer solution at FCAD/NiO/NPs/CPE; (b) 1.0 mM cysteamine at FCAD/CPE; (c) 1.0 mM cysteamine at FCAD/NiO/NPs/CPE; (d) 1.0 mM cysteamine at NiO/NPs/CPE; and (e) 1.0 mM cysteamine at CPE. Conditions: 0.1 mol L−1 PBS (pH 7.0), scan rate of 20 mV s−1.
