Electrocatalytic Reduction of Hydrogen Peroxide on Palladium-Gold Codeposits on Glassy Carbon: Applications to the Design of Interference-Free Glucose Biosensor

Table 2

Operational parameters of glucose oxidase enzyme electrode at temperatures 25 and 30°C; applied potentials −100 and −50 mV (Ag/AgCl, 1 M KCl); background electrolyte: phosphate-citrate buffer pH 7.0.

𝐸 (mV)	𝑇 (°C)	Sensitivity (μA μM^−1)	𝑟^2	Linearity (μM)	𝐾^app𝑀 (μM)
−100	25	0.05	0.968	800	—
	30	0.11	0.968	380	680
−50	25	0.10	0.982	450	710
	30	0.15	0.985	300	405