Chemistry: molecular biology and microbiology – Apparatus – Including measuring or testing
Reexamination Certificate
2011-01-04
2011-01-04
Chin, Christopher L (Department: 1641)
Chemistry: molecular biology and microbiology
Apparatus
Including measuring or testing
C422S051000, C422S051000, C436S518000, C436S524000, C436S525000, C436S527000, C436S809000
Reexamination Certificate
active
07863037
ABSTRACT:
Multiwell plates commonly used for immunoassay are increased in capacity and adapted for ease and speed of testing by forming a plurality of solid posts in each well of a plate. The posts and plate material and the dimensions of the posts are chosen to allow the immobilization of ligand patterns on an exterior wall of a post in a well and to permit a collimated beam of light directed to the post in a direction to achieve total internal reflection from a wall to generate an evanescent field in the plane of the ligands immobilized on the exterior wall of the post. The reflected light carries an image of localized intensity variations due to binding events between the ligand patterns and analytes in a sample introduced into a well. A cover plate seals the wells and provides for through holes for introducing sample material to the wells.
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Chin Christopher L
Haynes and Boone LLP
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