Method and apparatus for detecting microparticles in fluid...

Details Method and apparatus for detecting microparticles in fluid... Method and apparatus for detecting microparticles in fluid...

G - Physics

01

N

G01N 21/64 (2006.01) G01N 15/14 (2006.01)

Patent

CA 2293426

A method and apparatus for detecting a fluorescent substance tagged to a microparticle are described. The device comprises a single capillary flow carrier system for transporting the microparticle past a a selected location, a source of electromagnetic radiation for irradiating the substance tagged to the microparticle, and a detection system for measuring fluorescent light emitted from the substance at the selected location. The method comprises transporting the microparticle to a selected location, irradiating a fluorescent substance tagged to the microparticle, and measuring the fluorescent light emitted from the fluorescent substance at the selected location.

L'invention concerne un procédé et un dispositif pour déceler une substance fluorescente marquant une microparticule. Le dispositif comprend un système de transport de flux dans un tube capillaire unique servant à faire passer une microparticule devant un emplacement déterminé, une source de rayonnements électromagnétiques pour irradier la substance marquant la microparticule, et un système de détection pour mesurer la lumière fluorescente émise par la substance à l'emplacement déterminé. Le procédé consiste à acheminer la microparticule vers un emplacement déterminé, à irradier une substance fluorescente marquant la microparticule, et à mesurer la lumière fluorescente émise par la substance fluorescente à l'emplacement déterminé.

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