G - Physics – 01 – N
Patent
G - Physics
01
N
167/43
G01N 33/532 (2006.01) G01N 21/86 (2006.01) G01N 33/543 (2006.01) G01N 33/569 (2006.01) G01N 33/80 (2006.01)
Patent
CA 1202236
IMMUNOASSAY METHODS EMPLOYING PATTERNS FOR THE DETECTION OF SOLUBLE AND CELL SURFACE ANTIGENS Abstract Methods for determining the presence of antigens or antibodies in an aqueous sample or presence of antigens on the surface of cells. A preferred embodiment employs fluorescent antigens which compete with the sample antigens for antibody binding sites. The antibodies are deposited on a support surface means in alternating patterns. The surface means and fluorescence detector are translocated with respect to each other and a signal generated by the detection of the repeating pattern of fluorescence. The signal is analyzed by means of a gated integrator responsive to a gate track control means also located on the surface means. Immunoassay methods having increased sensitivity are thereby obtained.
442166
Gowling Lafleur Henderson Llp
Ortho Diagnostic Systems Inc.
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