Diffused interrupted lateral flow immunoassay device and method
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United States of America Patent
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Issued Date -
Dec 28, 2006
app pub date -
Jun 22, 2005
filing date -
Jun 22, 2005
priority date (Note) -
Abandoned
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Abstract
A lateral flow chromatographic immunoassay rapid test device having an additional interrupting, porous, diffusive pad pretreated with a surfactant interposed between the conjugate pad and the reaction membrane. The diffusive pad causes improved mixing of the fluid to provide a more mixture of molecules in the fluid and a more uniformly dispersed fluid flow having a more uniformly high degree of first affinity binding and a more even fluid front to cross into the reaction membrane, thereby increasing the sensitivity and specificity of the second affinity binding at both test and control lines, and thereby providing an important advancement of the existing lateral flow rapid test technology.
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