fig6

Figure 6. (A) The amperometric response of Cu/Cu_xO@MWCNTs-fabricated GC electrode to the addition of interference species and glucose. (B) The current for Cu/Cu_xO@MWCNTs-modified GC electrode versus 10 μM DOPAC, 10 μM DA, 10 μM UA, 3 mM Cl^-1, 10 μM AA, 10 μM 5-HT, and 700 μM glucose, n = 3.