Amperometric Biosensor Based on Coimmobilization of Multiwalled Carbon Nanotubes and Horseradish Peroxidase-Gold Nanocluster Bioconjugates for Detecting H₂O₂

Figure 3

Cyclic voltammograms of HRP-AuNCs/MWCNTs/CFUMEs in 0.01 M pH 7.0 deoxygenated PBS at scan rates of 10, 50, 100, 150, 200, 250, 300, 350, 400, 450, and 500 mV/s (inset: plots of anodic and cathodic peak currents vs. scan rate).