Compositions and articles for detection of analytes exceeding a pre-set threshold
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United States of America Patent
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Issued Date -
Jun 14, 2007
app pub date -
Sep 28, 2006
filing date -
Dec 12, 2005
priority date (Note) -
Abandoned
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Abstract
The present invention provides a bodily fluid-testing composition for the determination and quantification of a specific ion concentration exceeding a pre-set threshold in a tested fluid, in which an ion oppositely charged to the ion in the bodily fluid is used to compete with an indicator reagent in order to compensate for variability in specific binding of the bodily fluid ions. The present invention further provides an article for monitoring of bodily fluids comprising a substrate and an absorbent material for absorbing the bodily fluid. The substrate includes a composition suitable for identification of a specific ion concentration in a tested fluid. The article can be used to indicate the presence of abnormal ammonium concentration in human urine, amniotic fluid leakage, or biogenic secretions associated with bacterial vaginosis, parasite infections, or deficiency of lactobacillus population, without giving a false positive result.
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