Method for detecting substance

G - Physics – 01 – N

Patent

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Details

G01N 33/543 (2006.01) G01N 33/536 (2006.01) G01N 33/566 (2006.01) G01N 33/58 (2006.01)

Patent

CA 2398700

A method for detecting a substance to be detected in a sample is characterized in that carriers suspended in a solution, each having a shape such that the carrier does not move duplicatingly with respect to the cross section of a hollow tube for signal detection formed in signal detecting means for detecting a signal A and a signal B when the solution is made to flow through the tube, and each having the identifiable signal A coupled to a substance (hereinafter referred to as a coupler) that has a capability of coupling to the substance to be detected through a spacer or not through a spacer and a sample containing the substance to be detected are mixed together, thereby the substance to be detected is coupled to the couplers, a signal B is formed on each carrier by the coupling, the solution, i.e., the suspension of the carriers is made to flow through the tube by solution supply means communicating with the hollow tube, the signals A, B are detected by the signal detecting means, and the signal A is related with the signal B.

Un procédé de détection d'une substance à détecter dans un échantillon se caractérise en ce que des supports se trouvent en suspension dans une solution; chaque support ayant une forme telle que ce dernier ne se déplace pas en chevauchant la section transversale d'un tube creux de détection du signal, formé dans un moyen de détection du signal servant à détecter un signal A et un signal B lorsque la solution est amenée à s'écouler dans le tube; et chaque support ayant le signal A identifiable qui est couplé à une substance (qu'on appellera ensuite un agent de couplage) et qui peut se coupler à la substance devant être détectée par l'intermédiaire d'un espaceur ou bien sans espaceur; et un échantillon contenant la substance à détecter, ces derniers étant mélangés ensemble. De cette manière, la substance à détecter est couplée aux agents de couplage, un signal B est formé sur chaque support par le couplage, on laisse s'écouler la solution, c'est-à-dire la suspension des supports, dans le tube au moyen d'un dispositif d'alimentation en solution qui communique avec le tube creux, puis les signaux A et B sont détectés par le dispositif de détection du signal et le signal A est mis en relation avec le signal B.

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