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immunoassay |
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immunoassay [‚im·yə·nō′a‚sāy] (immunology) A laboratory detection method that uses antibodies to react with specific substances. Immunoassay An assay that quantifies antigen or antibody by immunochemical means. The antigen can be a relatively simple substance such as a drug, or a complex one such as a protein or a virus. See Antibody, Antigen The reactants are first mixed so that a varying quantity of one (A) is added to a constant amount of the other (B). The formation of an immune (antigen-antibody) complex is measured as a function of the varied reactant (A). The result is represented by a “standard curve” for reactant A. An unknown sample is tested by adding it to reactant B. The extent of the measured change is referred to the standard curve, and thereby is obtained the amount of reactant A which produces a comparable change. The amount is represented as the content of reactant A in the unknown sample. See Immunofluorescence, Immunology, Radioimmunoassay How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Sanko Junyaku currently manufactures and markets two test kits for interstitial pneumonia, EITEST KL-6 (sandwich enzyme immunoassay method) and PICOLUMI KL-6 (electrochemiluminescence immunoassay) for measurement of KL-6, a serum marker that is highly distinctive for the diagnosis of the disease, under a sales agreement with Eisai. In this research, Frost & Sullivan's expert analysts thoroughly examine the following markets: molecular infectious disease diagnostics, immunoassay infectious disease diagnostics, and culture infectious disease diagnostics. Tokyo, Japan, July 25, 2006 - (JCN) - Olympus will enter the European immunoassay market in July 2006. |
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