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

Figure 9

Biosensor response to glucose at input potential +0.35 V. Measurement condition: batch volume 200 μL; input potential 0.35 V (versus Ag/AgCl); pH of the supporting electrolyte 7.5; flow rate 0.5 mL min⁻¹; measured on SPCE/RhO₂/GDH; analysis in a flow arrangement; regression equation: 𝑦=5.00×10⁻⁶𝑥+0.0129,𝑅²=0.991.