Multi-layer reagent test strip
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United States of America Patent
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Apr 29, 2003
Grant Date -
N/A
app pub date -
Oct 5, 2000
filing date -
Oct 5, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A reagent test strip for measuring an analyte concentration in a biological fluid has a spreading mesh sandwiched between a support and a reagent matrix. The support has a through hole that is covered by the mesh. In use, a sample of the fluid is applied through the hole in the support to the spreading mesh. The sample then passes through the mesh to the matrix, which contains a reagent that indicates the analyte concentration by causing a corresponding change in reflectance at its free surface. Optionally, an adhesive layer attaches the mesh, and optionally the matrix as well, to the support.
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