Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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US Patent 5001053 - Method and apparatus for measuring the product of an antigen-antibody reaction
US Patent Issued on March 19, 1991
Estimated Patent Expiration Date:
September 12, 2008Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
September 12, 2008Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractA method and an apparatus for detecting antigen-antibody reaction are disclosed in which a predetermined antigen or antibody is made to attach to the surface of an oscillator and the oscillator is immersed in the specimen blood so as to cause antigen-antibody reaction on the surface thereof. The oscillator is then made to oscillate and the amount of antibody or antigen attaching to the surface of the oscillator is determined in accordance with the data concerning the oscillation of the oscillator.Other References
| InventorsAssigneeApplicationNo. 243296 filed on 09/12/1988US Classes:435/7.1, Involving antigen-antibody binding, specific binding protein assay or specific ligand-receptor binding assay422/68.1, Means for analyzing liquid or solid sample422/82.01, Measuring electrical property435/4, MEASURING OR TESTING PROCESS INVOLVING ENZYMES OR MICRO-ORGANISMS; COMPOSITION OR TEST STRIP THEREFORE; PROCESSES OF FORMING SUCH COMPOSITION OR TEST STRIP435/810, PACKAGED DEVICE OR KIT436/501, BIOSPECIFIC LIGAND BINDING ASSAY436/510, IMMUNOCHEMICAL PREGNANCY DETERMINATION436/518, INVOLVING AN INSOLUBLE CARRIER FOR IMMOBILIZING IMMUNOCHEMICALS436/806ELECTRICAL PROPERTY OR MAGNETIC PROPERTYField of Search435/4, MEASURING OR TESTING PROCESS INVOLVING ENZYMES OR MICRO-ORGANISMS; COMPOSITION OR TEST STRIP THEREFORE; PROCESSES OF FORMING SUCH COMPOSITION OR TEST STRIP436/501, BIOSPECIFIC LIGAND BINDING ASSAY436/518, INVOLVING AN INSOLUBLE CARRIER FOR IMMOBILIZING IMMUNOCHEMICALS436/806, ELECTRICAL PROPERTY OR MAGNETIC PROPERTY422/68.1, Means for analyzing liquid or solid sample422/82.01Measuring electrical propertyExaminersPrimary: Kepplinger, Esther M.Assistant: Spiegel, Carol A. Attorney, Agent or FirmUS Patent References4236893, Method for the assay of classes of antigen-specific antibodiesIssued on: 12/02/1980 Inventor: Rice4242096, Immunoassay for antigens Issued on: 12/30/1980 Inventor: Oliveira , et al.4537861Apparatus and method for homogeneous immunoassay Issued on: 08/27/1985 Inventor: Elings , et al. Foreign Patent References
International ClassG01N 033/543 |
