Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving antigen-antibody binding – specific binding protein...
Reexamination Certificate
2006-08-08
2006-08-08
Nguyen, Bao-Thuy L. (Department: 1641)
Chemistry: molecular biology and microbiology
Measuring or testing process involving enzymes or...
Involving antigen-antibody binding, specific binding protein...
C422S051000, C422S067000, C422S067000, C435S287700, C435S287800, C435S287900, C435S288300, C435S007100, C436S518000, C436S524000, C436S530000, C436S541000, C436S809000, C436S810000, C436S823000
Reexamination Certificate
active
07087389
ABSTRACT:
A simple easy to manufacture analytical device capable of performing membrane based immunoassays on batch of samples within 3 to 10 minutes wherein the method permits focused application of samples, costly labeled immunoassay and signal amplification reagents, said device includes an antibody-immobilized micro porous membrane, breadth corner layer of which is directly attached to a semi-rigid liquid-impervious body with water insoluble adhesive; absorbent body is provided separately and is not attached to analytical device during manufacture, absorbent body is wetted and is placed proximal to the lower surface of the membrane thereby forming networks of capillary channels with the absorbent body; flow of samples or reagents is always kept downwards and focused without application of any force to the absorbent body and the use of disposable adsorbent body permits stepwise addition of signal amplification reagents for ultra sensitive detection of diagnostically important molecules by visual examination of the membrane surface.
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Dhar Tarun K.
Pal Arindam
Council of Scientific & Industrial Research
Department of Biotechnology, A Department of Govenment of India
Foley & Lardner LLP
Nguyen Bao-Thuy L.
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