| 摘要 |
A sensor chip includes a substrate, a cover layer, a hollow reaction unit arranged between the substrate and the cover layer for performing reaction between a sample and a medicament applied into it, detection means formed by an electrode exposed to the hollow reaction unit, and a sample introduction opening for introducing a sample into the hollow reaction unit. A portion of the substrate of the cover layer opposing to the detection means in the hollow reaction unit is entirely transparent. Alternatively, a sensor chip includes a plate (A) having a groove (A) into which a medicament is applied and a plate (B) having a groove (B). The groove (A) is coupled to the groove (B) and layered so as to obtain the hollow reaction unit. The groove (B) has an opening width greater than an opening of the groove (A) at a portion opposing to at least a portion of the groove (A) where the medicament is applied.
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