assay

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assay

1. 
a. an analysis, esp a determination of the amount of metal in an ore or the amounts of impurities in a precious metal
b. (as modifier): an assay office
2. a substance undergoing an analysis
3. a written report on the results of an analysis

assay

[′a‚sā]
(analytical chemistry)
Qualitative or quantitative determination of the components of a material, as an ore or a drug.
References in periodicals archive ?
The Olympus serum total bilirubin assay is an end-point chromogenic assay (13).
McGlasson DL: Using a single calibration curve with the anti-Xa chromogenic assay for monitoring heparin anticoagulation.
The Roche total bilirubin assay is a liquid, end-point, chromogenic assay based on a modification of the diazo method (10).
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.