Chemistry: analytical and immunological testing – Involving diffusion or migration of antigen or antibody
Reexamination Certificate
2011-05-17
2011-05-17
Nguyen, Bao-Thuy L (Department: 1641)
Chemistry: analytical and immunological testing
Involving diffusion or migration of antigen or antibody
C436S518000, C436S528000, C436S501000, C436S164000, C436S169000, C436S172000, C436S807000, C435S004000, C435S007100, C435S287100, C435S287200, C435S287700, C422S051000, C422S051000, C422S067000, C422S068100, C422S082050
Reexamination Certificate
active
07943395
ABSTRACT:
A flow-through assay device for detecting the presence or quantity of an analyte residing in a test sample is provided. The device utilizes multiple detection zones, one of which is premised on “competitive” binding of the analyte and the other is premised on “sandwich” binding of the analyte. The present inventors believe that the combination of these zones may enable the detection of an analyte over extended concentration ranges.
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Boga RameshBabu
Wei Ning
Dority & Manning P.A.
Kimberly--Clark Worldwide, Inc.
Nguyen Bao-Thuy L
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