Screen-Printed Carbon Electrodes Modified by Rhodium Dioxide and Glucose Dehydrogenase

Figure 4

Immobilization using electropolymerization with pyrrole. Measurement condition: input potential −0.2 V (versus Ag/AgCl); 0.1 M phosphate buffer (pH 7.5); measured with SPCE/RhO₂/GOx; analysis in a batch arrangement; time of electropolymerization 1–0.5 min, 2–1 min, 3–0.25 min, and 4–2.5 min.