Analyte concentration detection devices and methods
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United States of America Patent
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May 30, 2006
Grant Date -
Sep 30, 2004
app pub date -
Mar 24, 2003
filing date -
Mar 24, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Arrangements for the detection of the presence and/or concentration of an analyte in a sample of bodily fluid include diffuse transmission, diffuse reflection and edge or waveguide illumination arrangements. A vertical flow assay arrangement and/or technique is also disclosed, and includes a detection component that can be in the form of an array of optical detection elements. A number of assay pad constructions are described which may include at least one or more of the following components: a prefilter component, a reflective component, a membrane component, a reagent component, a mesh component, and a component to prevent lateral spreading.
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