摘要 |
A conductive detecting electrode (2), first blocking molecules (21) formed so as to cover a surface of the detecting electrode (2), the first blocking molecules decreasing adsorption of an intercalating agent to the surface of the detecting electrode (2), a target-complementary probe (23) immobilized to the detecting electrode (2) via a spacer member (22) comprising straight chain organic molecules, the target-complementary probe including a base sequence complementary to a target base sequence which is an object of detection, a conductive comparison electrode (3), and second blocking molecules (31) formed so as to cover a surface of the comparison electrode (3), the second blocking molecules decreasing adsorption of an intercalating agent to the surface of the comparison electrode (3), are provided.
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