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Modeling an Enzyme Based Electrochemical Blood Glucose Sensor with COMSOL Multiphysics


S. Mackintosh1 J. Rodgers1 S.P. Blythe1
1Lifescan Scotland, Inverness, Scotland


Concentration profile showing the distribution of ferrocyanide in a biosensor cell at a given timepoint. Local deficiency of ferrocyanide over the working electrodes and its regeneration next to the counter electrode is evident.

This paper describes the modeling of a blood glucose sensor using COMSOL Multiphysics. Chemical species interaction and diffusion, coupled with electrochemical oxidation of multiple blood species produced a powerful working model used in developing and refining a range of blood glucose sensors for the commercial market.

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