Analytic test element with a capillary canal

Details Analytic test element with a capillary canal Analytic test element with a capillary canal

B - Operations, Transporting

01

L

B01L 3/00 (2006.01) G01N 33/52 (2006.01) G01N 33/543 (2006.01) G01N 35/00 (2006.01)

Patent

CA 2311496

The invention relates to an analytic test element for determining an analyte in a liquid. The element comprises an inert carrier, a detection element and a canal which permits capillary liquid transport. The canal has a test sample feeding opening situated on one end of the canal which permits capillary liquid transport, and has a vent opening on the other end of said canal. The canal is at least partially constructed by the carrier and the detection element and extends at least to the edge of the detection element, said edge being adjacent to the vent opening, in a direction of the capillary transport. A recess is located in an area, said area constructing the canal which permits capillary liquid transport, on the edge of the analytic test element, said edge constructing the test sample feeding opening, such that said edge of the test element is at least partially discontinuous on one side, and the area opposite the recess is open. The invention also relates to the utilization of said analytic test element for determining an analyte in a liquid and to a method for determining an analyte in a liquid test sample with the assistance of said analytic test element.

L'invention concerne un élément d'analyse permettant de déterminer un analyte dans un liquide. Cet élément comporte un support inerte, un élément de détection et un canal de transport du liquide par capillarité. Ce canal présente un orifice de chargement d'échantillon situé à une extrémité et un orifice de purge à l'autre extrémité. Ce canal est formé au moins partiellement par le support et l'élément de détection et s'étend au moins jusqu'au bord de l'élément de détection adjacent à l'orifice de purge, dans le sens du transport par capillarité. Un évidement est ménagé dans une surface formant le canal de transport par capillarité, sur le bord de l'élément d'analyse formant l'orifice de chargement d'échantillon, de sorte que ce bord est discontinu au moins partiellement sur un côté, et la surface opposée à l'évidement est libre. L'invention concerne également l'utilisation de cet élément d'analyse pour déterminer un analyte dans un liquide, ainsi qu'un procédé pour déterminer un analyte dans un échantillon liquide à l'aide dudit élément d'analyse.

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