Optical indicator for detecting bacterial pathogens
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United States of America Patent
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Aug 21, 2012
Grant Date -
Aug 6, 2009
app pub date -
Dec 11, 2008
filing date -
Feb 1, 2008
priority date (Note) -
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Abstract
A clinical testing assay device that can differentiate bacterial from viral infections is described. The assay device has a sample contact zone with an absorbent pad on which a test sample is deposited and a detection zone with a colorant indicator that is sensitive to bacteria cells. The colorant indicator changes color when exposed to a bacteria sample. The color change signal can manifest relatively quickly, usually within a few minutes, and with an intensity correlative to the concentration of bacteria in a test sample. A method of use is also provided.
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