Research Article

Enhanced Electrochemical Sensor for Electrocatalytic Glucose Analysis in Orange Juices and Milk by the Integration of the Electron-Withdrawing Substituents on Graphene/Glassy Carbon Electrode

Figure 5

SWVs of the HPMpFP-graphene/GCE in the presence of 0.1 mM glucose in 0.1 M PBS at various pH levels: 6.8, 7.0, 7.2, 7.4, and 7.6 are shown in (a), and the connection between various pH values and peak potentials, as well as the connection between various pH values and peak currents, is presented in (b).
(a)
(b)