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 ?
sup][15] Total protein was extracted from the hypothalamus samples using the Total Protein Extraction Kit (Applygen, Beijing, China), consisting of radioimmunoprecipitation assay lysis buffer, phenylmethylsulfonyl fluoride, protease inhibitors, and phosphatase inhibitors, according to the manufacturer's instructions.
cruzi antibodies by immunofluorescence assay (IFA) and radioimmunoprecipitation assay (RIPA).
CDC previously had determined the Htlv-I/II-antibody reactivity of these samples through composite testing by using enzyme immunoassay (EIA) kits licensed by the Food and Drug Administration (FDA) and by Western blot (WB) and radioimmunoprecipitation assay (RIPA) antibody tests using the interpretive criteria of the Public Health Service Working Group (1 ).