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

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.

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Furthermore, given that LAC interferes with in vitro clotting-based assays, esoteric chromogenic assays should be used in this setting to measure factor VIII activity and the strength of the factor VIII inhibitor, which can provide essential guidance regarding patient management.

A 77-year-old man with a prolonged activated partial thromboplastin time

McGlasson DL: Using a single calibration curve with the anti-Xa chromogenic assay for monitoring heparin anticoagulation.

Hitting the target with antithrombotic therapy

The Roche total bilirubin assay is a liquid, end-point, chromogenic assay based on a modification of the diazo method (10).

Paraprotein interference in automated chemistry analyzers

This chromogenic assay was initiated by dilution (1:25; 2 [micro]L + 48 [micro]L) of the plasma sample with antithrombin III/buffer concentrate and incubation for 160 s.