Fluid conducting test strip with transport medium

Details Fluid conducting test strip with transport medium Fluid conducting test strip with transport medium

G - Physics

01

N

G01N 33/92 (2006.01) G01N 33/52 (2006.01) G01N 33/66 (2006.01)

Patent

CA 2095982

Abstract Of The Disclosure The invention provides a reagent strip for measuring the concentration of an analyte in a liquid test sample, such as glucose or cholesterol in whole blood. The reagent strip includes a testing pad containing a color-forming reagent system specific to the analyte. The testing pad is disposed so that a side with relatively small pores defines a testing surface and an opposite side with relatively larger pores defines a sample-receiving surface. A porous sample transport medium is attached to the sample-receiving surface. A change in coloration caused by the color- forming reagent system at the testing surface is quantitatively related to the concentration of the analyte in the liquid test sample. The reagent strip may optionally include a rigid support member which facilitates evaluation of the change in coloration by mechanical viewing means. The invention also provides a method for determining the concentration of an analyte in a liquid test sample.

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