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. 2016 Oct 18;16(10):1720. doi: 10.3390/s16101720

Figure 3.

Figure 3

Cyclic voltammograms of (A) glassy carbon electrode (GCE); (B) GCE/Cu2O; and (C) GCE modified with CQDs/Cu2O by drop casting in 0.1 M NaOH aqueous solution in the absence (red) and presence of glucose (black, 100 µM).