Ultrasensitive and Selective Electrochemical Detection of Dopamine Based on CuO/PVA Nanocomposite-Modified GC Electrode

Figure 7

Amperometric measurement of CuO/PVA/GCE biosensor with the addition of each 2 μM dopamine in 0.1 M of PBS analyzed at 0.1, 0.2, and +0.3 V.