Figure 7 - uploaded by Jose Luis González-Mora
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2 Detection scheme for a glucose biosensor based on a Prussian Blue (PB) modified electrode. Glucose is converted to gluconolactone, catalyzed by glucose oxidase (GOx) immobilized on the electrode surface. Secondary to this reaction is the production of hydrogen peroxide that can be reduced amperometrically at low applied overpotentials, electrocatalyzed by the PB.
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