Panasonic Healthcare Holdings Co., Ltd.

Kazumasa Miyamoto

Shinki Kojima

Tomoharu Yamamura

Setuko Yano

Kanako Matsushima

The present invention relates to a biosensor, and it is an object thereof to suppress degradation by light. A biosensor () comprises a blood component measurement working electrode (), a blood component measurement counter electrode (), and a reagent component (). The reagent component () is provided near the blood component measurement working electrode () and the blood component measurement counter electrode (). The reagent component () includes a mediator, an oxidoreductase, and a substance that absorbs light with a wavelength of 400 to 500 nm. An insulated substrate () is provided, on the surface of which is disposed the blood component measurement working electrode () and/or the blood component measurement counter electrode (). The reagent component () is disposed on the one or more electrodes on the insulated substrate ().

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Ehime, Japan

Kazumasa Miyamoto