A dry reagent delivery system with membrane having porosity gradient
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United States of America Patent
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Sep 27, 1988
Grant Date -
N/A
app pub date -
Jan 28, 1987
filing date -
Jan 28, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Dry chemistry reagent system, kit and method for detection of an analyte such as glucose, cholesterol, urea, antigen or antibody. The reagent system is a porous membrane or bibulous film having a porosity gradient from one planar surface to the other. In the membrane are uniformly distributed an indicator, a flow control agent and a reagent cocktail. The membrane is also modified by a conditioning agent.
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