Cerium Oxide/Polypyrrole Nanocomposite as the Matrix for Cholesterol Biosensor

Figure 5

(a) CV with varying cholesterol concentrations from 50 to 500 mg/dL on ChOx/CeO₂ NPs/PPy/electrode in PBS solution containing Fe(CN)₆^3−/4− and (b) electrode response as a function of cholesterol concentration.

(a)

(b)