What is claimed is:
A biosensor for measuring glucose or lactate comprising:
an insulative substrate;an electrode system comprising a working electrode and a counter electrode provided on the substrate; anda reagent layer provided on the electrode system,wherein the reagent layer comprises an oxidoreductase and 1-methoxy-5-methylphenazinium ethyl sulfate.
BACKGROUND OF THE INVENTION
The present disclosure relates to a biosensor, particularly, a biosensor that can be used for measuring glucose or lactate, a production method thereof, a method and a system for measuring a glucose or lactate concentration.