Test card for analysis of chemical, biochemical or...

G - Physics – 01 – N

Patent

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Details

G01N 33/50 (2006.01) B01L 3/00 (2006.01) C12M 1/00 (2006.01)

Patent

CA 2362412

A test card comprising at least one planar surface wherein at least two compartments are made and defined by a partition comprising a film, the compartments creating a space which makes it possible to displace at least two liquid samples independently of one another, the compartments comprising at least two different types of grooves: at least one deep groove capable of partitioning samples from one another, the depth and the width of the deep groove in relation to the partition being such that capillary action of a sample is not enabled, and at least two shallow grooves, each of the shallow grooves being capable of receiving one of the samples, respectively, the depth of shallow grooves in relation to the partition being such that capillary action of the sample is enabled, each shallow groove being adjacent to the deep groove, along the entire length of the deep groove, wherein the test card is adapted for analysis of chemical, biochemical or biological analytes.

La présente invention concerne un appareil (1) comportant au moins une surface plane (2) au niveau de laquelle des compartiments (3) sont présents et délimités par une cloison (4), les compartiments créant un espace qui permet le déplacement de manière indépendante d'au moins un échantillon liquide (5 et/ou 15) et, lorsqu'il y a au moins deux échantillons liquides (5 et 15), leur déplacement indépendant et leur mise en présence pour les faire réagir ensemble. Les compartiments (3) sont constitués d'au moins deux types différents de rainures: un premier type de rainure(s) dite(s) profonde(s) (6), faisant office de moyen de cloisonnement du ou des échantillons (5 et/ou 15), et un second type de rainure(s) dite(s) superficielle(s) (16), faisant office de moyens de réception dudit ou desdits échantillons (5 et/ou 15), les deux types de rainures (6 et 16) permettant de guider les déplacements du ou des échantillons (5 et/ou 15) en fonction de l'orientation donnée à l'appareil (1). L'invention trouve une application préférentielle dans le domaine de la micro-fluidique appliquée à la biologie.

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