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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| Number | Title | Issue Date |
| 4224304 | Method and apparatus for the measurement of antigens and antibodies A method of the quantitative measurement of antigens and antibodies by reacting antibody- or antigen-sensitized insoluble carrier particles with a corresponding antigen or antibody or a mixture thereof in a sample, irradiating the reaction mixture with li... | 09/23/1980 |
| 4223005 | Antibody coated bacteria Process for identification and enumeration of B and T lymphocytes in an unseparated peripheral body sample comprises contacting the sample with two morphologically distinguishable bacteria, each of which is coated with an antibody specific to an antigen o... | 09/16/1980 |
| 4189466 | Detection of rheumatoid factor by antibody sensitized microbial particles Detection of antigens in a biological specimen of animal origin by means of antibody-sensitized microbial particles, which particles may be sensitized from a whole immunoglobulin fraction, an immunoglobulin fraction derived therefrom (IgG), a purified ant... | 02/19/1980 |
| 4169138 | Method for the detection of antibodies A method for the detection of antibodies immunochemically bound to the corresponding antigen fixed to a smooth surface of glass, metal, polymerfilm or the like. The surface with antigen bound antibodies is contacted with a suspension of small water-insolu... | 09/25/1979 |
| 4166767 | Insolubilized antibody An insolubilized antibody suitable for an enzyme immuno assay or radio immuno assay, which has characteristic infrared absorptions at around 1,040 cm-1, 1,540 cm-1 and 1,640 cm-1 and is prepared by chemically binding an an... | 09/04/1979 |
| 4133639 | Test article including a covalently attached diagnostic reagent and method A body suitable for use in the quantitative detection of an unknown quantity of a biologically derived sample suitably by radioimmunoassay, fluorometric detection, or by spectrophotometry. The body includes a handle attached to a nonparticulate, nonswella... | 01/09/1979 |
| 4118349 | Process for the manufacture of polystyrene latex compounds The present invention relates to a process for the manufacture of protein or peptide polystyrene latex compounds useful as diagnostic agents, in which a protein or peptide is linked by means of an aromatic diazonium compound to a homo- or copolymer of sty... | 10/03/1978 |
