Figure 8.
CVs of different modified electrodes; bare SPCE, and GO- and GO/Cu(II)-modified SPCEs in 0.10 M NaOH solution with the absence and presence of 5.0 mM glucose at a scan rate of 50 mV s−1.
CVs of different modified electrodes; bare SPCE, and GO- and GO/Cu(II)-modified SPCEs in 0.10 M NaOH solution with the absence and presence of 5.0 mM glucose at a scan rate of 50 mV s−1.