Patent ID: 8710554

Claim:
A biosensor kit comprising: a biosensor chip including a mounting board, a field-effect transistor mounted on the mounting board, and a reaction field formed on the mounting board for applying a gate potential to the field-effect transistor; a desiccating agent for preventing deterioration of the biosensor chip; a target recognition molecule to be immobilized onto the reaction field upon detecting; a first packing body which seals therein the biosensor chip and the desiccating agent, the first packaging body being formed from a packing material having a metal film; a second packing body which seals therein the target recognition molecule in a moisturized environment; and a third packing body which seals therein the first packing body and the second packing body, wherein the mounting board includes a first external connection terminal connected to a source electrode of the field-effect transistor, a second external connection terminal connected to a drain electrode of the field-effect transistor, and a third external connection terminal for applying a predetermined potential to the reaction field.