Figure 5.

Background cyclic voltammograms recorded at (a) AuNPHEPES, and (b) AuNPCIT electrodes in a pH 7.40 phosphate buffer solution (0.050 M). Scan rate, 50 mV s−1.

Background cyclic voltammograms recorded at (a) AuNPHEPES, and (b) AuNPCIT electrodes in a pH 7.40 phosphate buffer solution (0.050 M). Scan rate, 50 mV s−1.