assay

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assay

noun analysis, ascertainment, assessment, breakdown, calculation, computation, diagnosis, experiment, exploration, measurement, probation, probe, test, test case, verification

assay

verb analyze, ascertain, assess, calculate, commute, diagnose, endeavor, evaluate, experiment, measure, research, test, try, verify, weigh
See also: analysis, attempt, diagnosis, endeavor, experiment, inquiry

ASSAY. A chemical examination of metals, by which the quantity of valuable or precious metal contained in any mineral or metallic mixture is ascertained. 2. By the acts of Congress of March 3, 1823, 3 Story's L. U. S. 1924; of June 25, 1834, 4 Shars. cont. Story's L. U. S. 2373; and of June 28, 1834, Id. 2377, it is made the duty of the secretary of the treasury to cause assays to be made at the mint of the United States, of certain coins made current by the said acts, and to make report of the result thereof to congress.

References in periodicals archive ?
Serum samples were assayed in duplicate, and positive results were confirmed in separate assays.
The protein assay kit consists of a protein extraction solution, test strips, reagent solutions for developing protein spot on the test strips, a card for estimating protein concentration by measuring the protein spot diameter and a simple-to-follow protocol.
After testing 73 chemicals, the researchers conclude that "no battery of tests constructed from these assays improved substantially on the overall performance of the [Ames] .
To be recognized by the Fetal Medicine Foundation means that PerkinElmer has successfully demonstrated our common commitment to prenatal screening, and that our assays meet their strict criteria to be used in FMF certified laboratories.
For intracellular pathogens, the antibody titers and neutralization assays represent routine immunologic tests that provide results after several weeks of infection.
By combining DHI's expertise in viral antigen detection and specimen processing with our technologies, we expect to deliver highly sensitive, rapid assays where there is currently a significant and unmet medical need.
We performed receptor binding assays in 96-well plates in a buffer consisting of the following: 50 mM HEPES (pH 7.
PathHunter[TM] [eth]-Arrestin Assays are the first chemiluminescent GPCR assays that measure the activation of Gi, Gs and Gq coupled receptor signaling by direct arrestin recruitment--rather than through a secondary messenger.
In vitro methods for characterization of algal-derived toxins have relied largely upon functional assays that include receptor-based assays and cell-based toxicity assays (13).