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 ?
Similarly, the Ortho Vitros ECi TSH assay uses streptavidin-coated wells to capture biotinylated and horseradish peroxidase-labeled immune complexes.
The results from this method comparison study suggest that a practical approach to harmonization of TSH assays could be to establish traceability of calibration to the mean values for a panel of serum samples.
Since it suppresses TSH, it makes TSH assays unreliable.
A false-negative value can be seen, however, when the interfering antibodybinds to 1 of the 2 antibodies in a noncompetitive assay (6), as in the Roche Elecsys TSH assay.
Actual results may differ materially from the above forward-looking statements due to a number of important factors, and will be dependent upon the timely development of the second generation cartridge, the timely development and regulatory approval of additional products, including the TSH assay, as well as the Company's ability, directly or through third parties, to successfully manufacture and market its existing and proposed products.
It may be necessary, however, to provide more than 1 alternative assay, because we found that 4 of 7 TSH assays were affected in our study (1), and Halsall et al.
The TSH assay has the potential to expand the clinical and diagnostic utility of our IOS system," said John Kaiser, President and Chief Executive Officer of Biocircuits.
The interference seen with the TSH assays (Bioclone Elegance, Dade Befiring Dimension, Abbott AxSYM, DPC 1MMULITE, and Beckman DxI assays) in samples from our patients appears to have been transmitted transplacentally from the mother's blood.
Evaluation of the analytical and clinical performance of a third generation TSH assay on Bayer Advia Centaur analyzer [Abstract].
It is recommended that the functional sensitivity of the TSH assay be verified independently of the manufacturer's claim by use of human serum pools.