| NOUN | cognition | immunochemical assay, immunoassay | identification of a substance (especially a protein) by its action as an antigen |
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| Meaning | Identification of a substance (especially a protein) by its action as an antigen. | |
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| Example | "PSA in the blood can be measured with an immunochemical assay" | |
| Synonym | immunoassay | |
| Narrower | radioimmunoassay | immunoassay of a substance that has been radioactively labeled |
| Broader | bioassay, bio-assay | Appraisal of the biological activity of a substance by testing its effect on an organism and comparing the result with some agreed standard |
| Spanish | immunoensayo, inmunoensayo | |
| Catalan | immunoassaig | |
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