enzyme-linked immunosorbent assay

noun

: an in vitro method for quantifying an antigen or antibody concentration in which the test material is immobilized on a surface and exposed either to a complex of an enzyme linked to an antibody specific for the antigen or an enzyme linked to an antigen specific for the antibody followed by reaction of the enzyme with a substrate to yield a colored product corresponding to the concentration of the test material

called also ELISA

Word History

First Known Use

1976, in the meaning defined above

Time Traveler
The first known use of enzyme-linked immunosorbent assay was in 1976

Dictionary Entries Near enzyme-linked immunosorbent assay

enzyme

enzyme-linked immunosorbent assay

enzymology

Cite this Entry

“Enzyme-linked immunosorbent assay.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/enzyme-linked%20immunosorbent%20assay. Accessed 4 Mar. 2024.

Medical Definition

enzyme-linked immunosorbent assay

noun
: a quantitative in vitro test for an antibody or antigen in which the test material is adsorbed on a surface and exposed either to a complex of an enzyme linked to an antibody specific for the antigen or an enzyme linked to an anti-immunoglobulin specific for the antibody followed by reaction of the enzyme with a substrate to yield a colored product corresponding to the concentration of the test material

called also ELISA

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