im·​mu·​no·​as·​say | \ ˌi-myə-nō-ˈa-ˌsā How to pronounce immunoassay (audio) , i-ˌmyü-nō-, -a-ˈsā \

Definition of immunoassay

: a technique or test used to detect the presence or quantity of a substance (such as a protein) based on its capacity to act as an antigen

Other Words from immunoassay

immunoassayable \ ˌi-​myə-​nō-​a-​ˈsā-​ə-​bəl How to pronounce immunoassay (audio) , i-​ˌmyü-​nō \ adjective

Examples of immunoassay in a Sentence

Recent Examples on the Web Quanterix, a company in Billerica, Mass., has developed an immunoassay that detects amyloid and tau in conjunction with other neurological markers and inflammatory proteins. Esther Landhuis, Scientific American, 4 Feb. 2021 Antibody and antigen tests are typically run as lateral flow immunoassays, says Lalli, and—like pregnancy tests—come as a dipstick. Naomi Xu Elegant, Fortune, 26 May 2020 The new method uses a conventional fluorescence polarization immunoassay (FPIA), a technique that harnesses fluorescent dye and light to detect antibodies. Fox News, 21 Apr. 2020 Another difficulty stemmed from Holmes’s insistence that the miniLab be capable of performing the four major classes of blood tests: immunoassays, general chemistry assays, hematology assays, and assays that relied on the amplification of DNA. John Carreyrou, WIRED, 21 May 2018 The Mini Lab was supposed to do more than just immunoassays. Recode Staff, Recode, 3 June 2018 The reality is that none of those immunoassays had been validated. Recode Staff, Recode, 3 June 2018 In the 1930s, archaeologists attempted (with little success) to determine the blood types of mummies by identifying proteins with immunoassays, which test for antibody-antigen reactions. Gemma Tarlach, Discover Magazine, 15 Aug. 2017 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'immunoassay.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of immunoassay

1959, in the meaning defined above

History and Etymology for immunoassay

immuno- + assay entry 2

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The first known use of immunoassay was in 1959

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Cite this Entry

“Immunoassay.” Dictionary, Merriam-Webster, Accessed 2 Jul. 2022.

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More Definitions for immunoassay


im·​mu·​no·​as·​say | \ ˌim-yə-nō-ˈas-ˌā How to pronounce immunoassay (audio) , im-ˌyü-nō- How to pronounce immunoassay (audio) , -a-ˈsā \

Medical Definition of immunoassay

: a technique or test (as the enzyme-linked immunosorbent assay) used to detect the presence or quantity of a substance (as a protein) based on its capacity to act as an antigen or antibody

Other Words from immunoassay

immunoassay transitive verb
immunoassayable \ -​a-​ˈsā-​ə-​bəl How to pronounce immunoassay (audio) \ adjective


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