Research Article

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

Table 3

Operational parameters of glucose oxidase enzyme electrodes; applied potential −50 mV (Ag/AgCl (1 M KCl)); background electrolyte: phosphate-citrate buffer pH 7.0.

Electrode type (°C)Sensitivity (μA μM−1) Linearity (μM) (μM)

type AGOx200.040.977550>1600
250.100.982450710

type BGOx200.080.966240470
250.130.974180310