Improved test strip for the assay of an analyte in a liquid...

Details Improved test strip for the assay of an analyte in a liquid... Improved test strip for the assay of an analyte in a liquid...

G - Physics

01

N

G01N 33/52 (2006.01) G01N 1/00 (2006.01) G01N 31/22 (2006.01)

Patent

CA 2327127

An improved test strip for determining the presence or concentration of unknown or a constituent in a liquid test sample is disclosed. The test strip comprises a support strip and a test pad, wherein the test pad includes a carrier matrix incorporating a reagent composition capable of interacting with the constituent of interest to produce a detectable or measurable response. The test strip further comprises an in- frared dye, applied either to the support strip or incorpo- rated into a test pad, which ensures proper alignment of the test strip in an apparatus having a detection system for the detectable or measurable response. The improved test strip reduces the number of erroneous assays for the constituent of interest.

L'invention concerne une bandelette réactive améliorée pour déterminer la présence ou la concentration inconnue d'un élément dans un échantillon de liquide. La bandelette comprend une bande de retenue et un tampon d'analyse, ce dernier incluant une matrice porteuse d'une composition réactive qui agit avec l'élément en question pour produire une réaction détectable ou mesurable. La bandelette est aussi enduite d'une teinture infrarouge, soit sur la bande de retenue ou sur le tampon d'analyse, pour assurer le bon alignement de la bandelette dans un appareil muni d'un dispositif de détection de la réaction détectable ou mesurable. La bandelette réactive améliorée permet de réduire le nombre d'analyses erronées de l'élément en question.

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