Whole blood assays using porous membrane support devices
First Claim
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1. A method for analyzing whole blood for an analyte recognized by an analyte specific reagent, comprising the steps of:
- applying whole blood to a liquid permeable support layer of an assay device, wherein said layer has said analyte specific reagent fixed thereto prior to said introduction of said blood, and wherein said whole blood is applied to said layer;
drawing colored components of said blood through said layer; and
forming a color on said layer in response to interaction between said analyte and said analyte specific reagent when analyte is present in said blood, thereby visually indicating on said layer the presence or absence of said analyte in said blood.
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Abstract
Disclosed is a method for detecting analytes in samples of whole blood using solid-phase, permeable support assay devices. The whole blood assays require no steps or reagents other than those necessary to carry out the same analysis on plasma or serum using the devices. The color visualization of the analytical field on which the interpretation of the assay depends is not affected by the presence of intact erythrocytes or any degree of hemolysis in the blood sample.
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Citations
17 Claims
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1. A method for analyzing whole blood for an analyte recognized by an analyte specific reagent, comprising the steps of:
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applying whole blood to a liquid permeable support layer of an assay device, wherein said layer has said analyte specific reagent fixed thereto prior to said introduction of said blood, and wherein said whole blood is applied to said layer; drawing colored components of said blood through said layer; and forming a color on said layer in response to interaction between said analyte and said analyte specific reagent when analyte is present in said blood, thereby visually indicating on said layer the presence or absence of said analyte in said blood. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification