Chemistry: analytical and immunological testing – Optical result
Reexamination Certificate
2006-03-07
2006-03-07
Le, Long V. (Department: 1641)
Chemistry: analytical and immunological testing
Optical result
C435S005000, C435S006120, C435S007100, C436S056000, C436S034000, C356S036000, C356S244000, C356S322000, C356S335000, C356S338000
Reexamination Certificate
active
07008794
ABSTRACT:
A method and apparatus for assay of multiple analytes. The method uses a sensing element comprising a substrate upon which is arranged a multiplicity of recognition elements, such that each element is laid out in a predetermined pattern. Each pattern is unique in that it can give rise to a characteristic diffraction pattern in the assay. The patterns may or may not be interpenetrating on the substrate surface. The method of detecting multiple analytes includes contacting the medium of analytes with the patterned substrate, illuminating the substrate by a light source, and detecting any resultant diffraction image. The pattern of diffraction and the intensity of the diffracted signal provides information about the existence of specific analytes and their quantification.
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Goh Jane B.
Goh M. Cynthia
Loo Richard
McAloney Richard
Axela Biosensors Inc.
Hill & Schumacher
Le Long V.
Schumacher Lynn C.
Yang Nelson
LandOfFree
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