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Electrodeposited Cu–CuO Composite Films for Electrochemical Detection of Glucose

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Figure 1. SEM images of Cu and Cu–CuO films deposited from a noncyanide alkaline electrolyte at 25 C, 4 A dm−2, 35 g L−1 mannitol concentration and containing different CuO contents: a) 0, b) 3, c) 5 and d) 10 g L-1
Table 1. Composition of the applied electrodes, the wt.% of CuO in the prepared electrodes, the oxidation peak current density and peak potential for electrooxidation of 0.05 M glucose in 0.25 M NaOH at 50 mV s-1
Figure 8. Relation between the oxidation peak current density of glucose at various glucose concentrations in 0.25 M NaOH at 50 mV s-1 in 0.25 M NaOH at: ○) Cu/C and ●) Cu-CuO/C (25 wt.% CuO)
Fig. 11. This indicates the selectivity of the fabricated Cu–CuO/C towards glucose oxidation

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