| 摘要 |
A probe chip comprises: a prism; a metal film provided on a surface of the prism and which has provided on its surface a first binding material that binds to the analyte; and a channel substrate that is provided on a side of the prism and which has formed therein a channel for supplying the liquid sample to the metal film by causing the liquid material to travel from a beginning end portion to a terminal end portion, the channel being formed in such a way that a zone from a point between the beginning end portion and the metal film to a position of contact with the metal film separates into a first branch and a second branch that has an area where a second binding material that is labeled with the fluorescent material and which binds to the analyte is placed.
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