Figure 4.

Calibration curve for the determination of H2O2at the polyaniline/gold nanocomposite electrode. Applied potential: −400 mV, supporting electrolyte: 0.1 M pH 7.0 PBS with N2-saturated. Inset: typical steady-state response of the biosensor on successive injection of H2O2into stirring PBS

Yang et al. Nanoscale Research Letters 2008 3:468-472   doi:10.1007/s11671-008-9182-9