Biological fluid tests strip

Details Biological fluid tests strip Biological fluid tests strip

G - Physics

01

N

150/15.1

G01N 33/48 (2006.01) C12Q 1/54 (2006.01) G01N 33/52 (2006.01)

Patent

CA 1054035

Abstract of the Disclosure A disposable indicator is disclosed which is useful for the measurement of substances, e.g., glucose, in bio- logical fluids. The instrument registers the concentration of substance in a given biological fluid with indicia which are directly readable in a convenient notation system (e.g., digital or other symbolic notation). The indicator comprises an improvement over prior art disposable devices which require a comparison of the viewable indication with a color intensity scale to translate the indicia registered to meaningful numeric- cal values or other symbolic notations. The indicator permits the use of chemical reagent concentrations which are at least an order of magnitude greater than those used in prior art, thereby improving stability and drastically lowering the magnitude of interferences. As an example, the use of the indicator of the invention in conjunction with novel reagent compositions in the determination of urinary glucose concentra- tions is disclosed. - 1 -

237875

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