Electrocatalytic Oxidation and Determination of Cysteine at Oxovanadium(IV) Salen Coated Electrodes

Figure 1

UV-vis absorption spectra of (a) 0.02, (b) 0.04, (c) 0.06, (d) 0.08, and (e) 1.0 mM concentrations of VO²⁺-S and (f) 0.01 mM salen in N,N-dimethyl-formamide. Inset shows linear relation between absorbance and concentration.