REAGENT LAYER INCLUDING CONDUCTIVE CARBON FILLER, SENSOR HAVING REAGENT LAYER, AND METHOD FOR FORMING REAGENT LAYER
REAGENT LAYER INCLUDING CONDUCTIVE CARBON FILLER, SENSOR HAVING REAGENT LAYER, AND METHOD FOR FORMING REAGENT LAYER
An object of the present invention is to provide a reagent layer for preparing an electrochemical sensor that can detect an analyte with high sensitivity and/or that is suitable for measurement over a long period (continuous monitoring) and excellent in durability, and a method for forming the same. The reagent layer according to the present invention comprises a conductive carbon filler (a), an anionic dispersant (b), and a cationic mediator (c). The method for forming a reagent layer according to the present invention comprises the steps of: (1) preparing a reagent solution containing a conductive carbon filler (a), an anionic dispersant (b), and a cationic mediator (c); (2) applying the reagent solution to a reagent layer formation site; and (3) drying the applied reagent solution to form a reagent layer.