What is claimed is:
1. 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.
INCORPORATION BY REFERENCE TO ANY PRIORITY APPLICATIONS
Any and all applications for which a foreign or domestic priority claim is identified in the Application Data Sheet as filed with the present application are hereby incorporated by reference under 37 CFR 1.57.