| 摘要 |
PROBLEM TO BE SOLVED: To provide an antigen separator for eliminating a problem of foreign matter clogging in antigen separation and securing the amount of treated fluid meeting the need, and to perform the shortening of antigen measurement time and high-accuracy measurement by performing image measurement on antigens separated by using the separator. SOLUTION: This antigen separator is equipped with a specimen inlet 1 for a specimen fluid including antigens, a reaction part 3 used for separating the antigens by antigen/antibody reaction and made by disposing a plurality of antibody beads 2 on a bottom surface of a micro-channel having a rectangular cross-section through which the specimen fluid flows, a specimen-liquid inlet path 4 for causing the inlet to communicate with the reaction part, and an exhaust path 5 for the specimen fluid. The inlet path 4 is substantially equipped with a difference 4a in flow path level from the reaction part so that it is equipped with an antigen condensing function in the vicinity of the bottom surface, and/or, the reaction part 3 is equipped with an electric field generating means 30 for attracting the antigens by an electric attracting force to the bottom surface side where the antibody beads are disposed. An image measuring instrument is provided above the reaction part. COPYRIGHT: (C)2004,JPO&NCIPI
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