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 ?
Neutralizing antibody titers are presented as geometric mean titers of assays performed in triplicate.
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.
FIGURE 11 OPPORTUNITY MATRIX: GLOBAL CELL-BASED ASSAYS MARKET BY APPLICATION, 2013 41 FIGURE 12 GLOBAL CELL-BASED ASSAYS MARKET, BY END USER, 2013 VS 2018 ($MILLION) 42 FIGURE 13 CELL-BASED ASSAYS MARKET: PORTER'S FIVE FORCES ANALYSIS 57 FIGURE 14 CELL-BASED ASSAYS, REVENUE MARKET SHARE ANALYSIS, BY KEY PLAYERS, 2013 61 FIGURE 15 GLOBAL CELL-BASED ASSAYS MARKET, BY PRODUCT, 2013 ($MILLION) 65 FIGURE 16 GLOBAL CELL-BASED ASSAYS MARKET, BY APPLICATION, 2013 ($MILLION) 110 FIGURE 17 CELL-BASED ASSAY APPLICATIONS IN DRUG DISCOVERY STAGES 112 FIGURE 18 GLOBAL CELL-BASED ASSAYS MARKET, BY END USER, 2011-2018 ($MILLION) 127 FIGURE 19 CELL-BASED ASSAYS PRODUCT LIFECYCLE, BY GEOGRAPHY 137 FIGURE 20 KEY GROWTH STRATEGIES, CELL-BASED ASSAYS MARKET, 2011-2014 179
The approval covers assays for PAPP-A and free hCGB run on PerkinElmer's DELFIA Xpress random access platform.
Because strong correlations between the data derived from ELISPOT, tetramer assays, and intracellular cytokine staining for IFN-[gamma] were previously observed (14), vaccinia-specific T cells could be detected by flow cytometry only a few days after immunization with vaccinia virus.
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.
Development of rapid and sensitive high throughput pharmacologic assays for marine phycotoxins.
The Company pioneered the use of [eth]-galactosidase enzyme fragment complementation in biochemical and cell based assays for discovery research, and holds extensive intellectual property in this area.
Using a reporter gene assay, we conducted initial characterization of the ATP receptor through analog specificity studies using P2X receptor agonists and antagonists with differing receptor subtype selectivity.