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 ?
Mechanistically based in vitro tests for ocular irritation likely will depend on a) well-characterized ocular cellular models, b) assays that measure biochemical end points of cellular injury, and c) a database of human responses.
The matching ready-to-use and validated SYBR(R) Green-based qRT-PCR assay portfolio is supplemented by QIAGEN's QuantiTect(R) Primer Assays for real-time RT-PCR providing specificity and sensitivity comparable to sequence-specific probe-based assays.
Serum samples were assayed in duplicate, and positive results were confirmed in separate assays.
A simple and reliable method for estimation of protein content in latex called the Latex dotMetric protein assay has been developed.
Shelby, is that while subsequent assays pick up some carcinogens missed by the first test, they also contribute additional false positives and false negatives.
FMF is widely respected globally and has established a standard for first trimester screening which embraces the role of clinicians, laboratories and the assays that are used.
For intracellular pathogens, the antibody titers and neutralization assays represent routine immunologic tests that provide results after several weeks of infection.
Additionally, competitive receptor binding assays using radiolabeled brevetoxins have shown promise (25).
of Athens, Ohio (DHI) signed a definitive license, development, supply and distribution agreement to develop and commercialize products in the field of clinical virology diagnostics, starting with a panel of multiplex respiratory virus and sexually transmitted infection assays.
The New York City Department of Health protocol reports a sample as positive only if it has all the following phenotypes: nonmotile, penicillin sensitive, [gamma]-phage positive, and positive by both cell wall and CAP-DFA assays (11).
Functional assays have been used to monitor the presence of brevetoxin activity predominantly in shellfish.