Metrika, Inc.

Paul J Patel

Joel M Blatt

Michael P Allen

Wilma M Mangan

Victor A Manneh

The invention provides a filter for separating red blood cells from a whole blood sample to form plasma. The filter includes a solid phase support and an agglutinin for red blood cells. The agglutinin is insoluble in the whole blood sample and is immobilized on the solid phase support. The present invention also includes a device and method for determining the presence of at least one of a plurality of analytes in a sample of whole blood.

Device for blood separation in a diagnostic device

A transport matrix and diagnostic device are provided which produce a physically detectable change in a predetermined distribution across a detection zone which correlates with the amount of selected analyte in a sample. The matrix includes a detection zone having a capture reagent yielding a physically detectable change which correlates with the amount of selected analyte in the sample. The detection zone has a leading boundary which first encounters the sample and a trailing boundary which encounters the sample after being transported across the detection zone. The capture reagent is immobilized on the matrix in a predetermined distribution from the leading boundary to the trailing boundary of the detection zone. A method is also provided which determines the level of a selected analyte in a sample by distributing a physically detectable change in a predetermined pattern across a detection zone on a transport matrix which correlates with the amount of selected analyte.

Method and device producing a predetermined distribution of detectable

The present invention provides a filter for effectively removing substances from a sample of bodily fluid which can interfere with the results of an assay. The filter includes a solid phase support and an active chemical component for binding to the interfering substance. The active chemical component is insoluble in the sample and is immobilized on the solid phase support. The present invention also includes a filter device, transport matrix, assay device, and method for removing substances which interfere with determining the presence of one or more analytes in a sample.

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Sunnyvale, CA, United States of America

Paul J Patel