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 ?
The apical nature of the in vivo safety assays makes them ill-suited for identifying relevant mechanisms of action to be modeled.
The siRNA assay portfolio comprises two types of siRNA products from QIAGEN, the HP GenomeWide and the HP Validated siRNAs.
5] IU/mL) was obtained with the combination of QT6/ACE2 cells and MLV(SARS), so this system was employed for all subsequent assays.
Our study has shown the dotMetric protein assay to be highly reproducible and simple to perform.
If one weighs the four assays in the SCIENCE paper for their false-negative /false-positive rates, Lave says one can no longer conclude they all perform equally.
The approval covers assays for PAPP-A and free hCGB run on PerkinElmer's DELFIA Xpress random access platform.
Moreover, optimization of antigen preparation with peptide pools designed to be virus-specific, highly conserved, and independent of HLA haplotypes may allow for the development of a second generation of more sensitive flow cytometric T-cell assays, extending the possibility to perform routine analysis on cryopreserved samples (4).
However, the assays require specific antibodies for an epitope on the analyte that does not change within toxic forms of the analyte.
We believe that Immunicon's EasyCount[TM] System and proprietary ferrofluid technology may offer automated, reliable, and easily interpreted results with sensitivity close to gold standard cell culture assays and much faster.
The assay specificity is similar to the highest levels achieved by PCR assays, and its sensitivity is similar to that of culture or perhaps considerably greater if the patient is receiving antimicrobial agents (16).
Development of rapid and sensitive high throughput pharmacologic assays for marine phycotoxins.