Device and method for simultaneously identifying blood group...

Details Device and method for simultaneously identifying blood group... Device and method for simultaneously identifying blood group...

G - Physics

01

N

G01N 33/80 (2006.01) G01N 33/558 (2006.01)

Patent

CA 2531688

The invention relates to a device for simultaneously, qualitatively or quantitatively identifying a number of analytes in a liquid sample, comprising a membrane (2) with: a charging zone (5) for applying the liquid sample; at least two indicator zones, which can interact with the analyte(s), and at least one absorption area (3), which absorbs the liquid after passing the indicator zones, whereby the indicator zones are located between the charging zone (5) and an absorption area (3). The invention is characterized in that the flowing directions from the charging zone (5) through the respective indicator zones to an absorption area (3) (flow paths) are essentially parallel, and at least two different flow paths exist. The invention also relates to a method for identifying a number of analytes or the derivatives thereof in a liquid sample, consisting in the application of the sample to the charging zone (5) of a membrane (2) of the device according to one of cited claims 1 to 8, whereby this sample is present in an amount sufficient for causing the sample liquid to flow through the indicator zones toward the absorption area (3), and for causing the analytes or the derivatives thereof in the sample liquid to form a complex in the indicator zones.

L'invention concerne un dispositif de détermination simultanée, qualitative ou quantitative, de plusieurs analytes dans un échantillon liquide, comportant une membrane (2) pourvue d'une zone de chargement (5) destinée à l'application de l'échantillon liquide, d'au moins deux zones indicatrices pouvant interagir avec le ou les analytes, et d'au moins une zone d'absorption (3) recevant le liquide après passage dans les zones indicatrices, les zones indicatrices étant situées entre la zone de chargement (5) et une zone d'absorption (3). Le dispositif selon l'invention est caractérisé en ce que les directions d'écoulement de la zone de chargement (5), au travers des zones indicatrices respectives, vers une zone d'absorption (voies d'écoulement), sont essentiellement parallèles, et au moins deux voies d'écoulement différentes sont présentes. L'invention concerne également un procédé de détermination de plusieurs analytes ou de leurs dérivés dans un échantillon liquide, consistant à appliquer l'échantillon sur la zone de chargement (5) d'une membrane (2) du dispositif selon l'invention, ledit échantillon étant présent dans une quantité suffisante pour que le liquide d'échantillon s'écoule en direction de la zone d'absorption (3), au travers des zones indicatrices, et que les analytes ou leurs dérivés du liquide d'échantillon forment un complexe dans les zones indicatrices.

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