Research Article

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

Figure 4

Linear sweep voltammograms of GC/VO2+-S (a, b) and GC (c, d) in absence (a and c) and in presence (b and d) of 0.1 mM cysteine in 0.1 M KCl. Potential scan rate: 20 mVs−1.