Dry reagent test strip comprising benzidine dye precursor and antipyrine compound
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United States of America Patent
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Oct 20, 1998
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N/A
app pub date -
May 17, 1996
filing date -
May 17, 1996
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Abstract
A dry reagent test strip for determining the concentration of an analyte in a liquid sample is described. The test strip has a matrix containing reagent detection chemistry, which includes an oxidase enzyme that can utilize the analyte as a substrate forming hydrogen peroxide, a benzidine dye precursor, a peroxidase enzyme, and an antipyrine compound. The addition of an antipyrine compound to the reagent detection chemistry provides a standard concentration graph which is substantially linear in a desired range of analyte concentration. The precision and accuracy of reading the test strip are enhanced.
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