G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 21/75 (2006.01) G01N 21/55 (2006.01) G01N 21/78 (2006.01) G01N 33/52 (2006.01) G01N 33/66 (2006.01)
Patent
CA 2199494
A test strip is provided for having liquid applied thereto and for determining the presence or quantity of an analyte in such liquid. Specifically, the test strip comprises a reaction zone which varies in reflectance as a function of the quantity of analyte present in the applied liquid. The strip is to be inserted into an optical reading apparatus. A standard zone is positioned on the strip so as to lead the reaction zone as the strip is inserted into the reading apparatus. The apparatus may then be provided with optical means for sequentially determining the reflectance value of the standard zone as the strip is being inserted into its fully inserted position in the apparatus and the reflectance value of the reaction zone after the strip has been inserted. The apparatus is further provided with means for calculating the presence and/or quantity of analyte in question as a function of the standard zone reflectance and the reaction zone reflectance.
Bandelette d'essai conçue pour recevoir un liquide et déterminer la présence ou la quantité d'un analyte dans le liquide. La bandelette s'introduit dans un appareil à lecture optique. Une zone d'étalonnage est placée sur la bandelette de façon à commander la zone réactive lors de l'introduction de la bandelette dans l'appareil. Ce dernier peut être pourvu de moyens permettant de déterminer séquentiellement la réflectance de la zone d'étalonnage lors de l'introduction complète de la bandelette, puis celle de la zone réactive après que la bandelette ait été introduite à fond. L'appareil est en outre muni de moyens permettant de calculer la présence et/ou la quantité d'analyte à rechercher en fonction de la réflectance de la zone d'étalonnage et de celle de la zone réactive.
Daffern George M.
Matzinger David P.
Lifescan Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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