Research Article

Synthesis of Polydopamine Functionalized Reduced Graphene Oxide-Palladium Nanocomposite for Laccase Based Biosensor

Figure 4

EIS of modified electrodes: (a) bare GCE, (b) PDA-Lac/GCE, and (c) PDA-Lac-rGO-Pd/GCE in 0.1 M KCl containing 5 mM . Frequency range: 0.01 Hz–100000 Hz. Amplitude: 5 mV.