Integral element for analysis of liquids

Details Integral element for analysis of liquids Integral element for analysis of liquids

G - Physics

01

N

150/19

G01N 31/22 (2006.01)

Patent

CA 1069420

INTEGRAL ELEMENT FOR ANALYSIS OF LIQUIDS Abstract of the Disclosure The present invention concerns a multilayer element for the analysis of liquids which comprises, in the form of an integral arrangement, (1) a reagent layer including a composition comprising material that is reactive or otherwise interactive in the presence of a substance to be analyzed (analyte) to provide a diffusible, detectable species, and (2) a registration layer that is permeable to the detectable species and within which such species, e.g., a dye, can be detected. The element also includes a spreading layer, preferably separated from the registration layer by the reagent layer, to spread within itself at least a component of liquid applied to the element such that a uniform apparent concentration of a spread component (e.g., analyte) is pro- vided to the reagent layer. -1-

308527

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