assay sample

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• Assay sensitivity — is a property of a clinical trial defined as the ability of a trial to distinguish an effective treatment from a less effective or ineffective intervention. Without assay sensitivity, a trial is not internally valid and is not capable of… …   Wikipedia

• assay-piece — assayˈ piece noun 1. A sample chosen for assay 2. An example of excellence • • • Main Entry: ↑assay …   Useful english dictionary

• Assay — An assay is a procedure where a property or concentration of an analyte is measured.There are numerous types of assays, such as an antigen capture assay, bioassay, competitive protein binding assay, crude oil assay, four point assay, immunoassay …   Wikipedia

• Assay — The process of analyzing a physical sample to determine its composition. In financial markets, the term assay usually refers to the chemical analysis of a mineral or ore sample to ascertain its content of precious metals or minerals, such as gold …   Investment dictionary

• assay ton — (AT)    a specialized unit of mass used by minerologists in assaying (testing) ores for the presence of gold, silver, platinum, uranium, or other valuable metals. One assay ton equals 29.1667 grams: just a little over an an ounce! The assay ton… …   Dictionary of units of measurement

• sample preparation — ▪ chemistry Introduction  in analytical chemistry (chemistry), the processes in which a representative piece of material is extracted from a larger amount and readied for analysis. Sampling and sample preparation have a unique meaning and special …   Universalium

• Assay — An assay is an analysis done to determine: {{}}The presence of a substance and the amount of that substance. Thus, an assay may be done for example to determine the level of thyroid hormones in the blood of a person suspected of being hypothyroid …   Medical dictionary

• sample — Synonyms and related words: adjunct, assay, barometer, bite, bring to test, canvass, case, case history, characteristic, component, conduct a poll, confirm, constituent, contingent, cross section, cut and try, detachment, detail, distinctive,… …   Moby Thesaurus

• assay — [ə seɪ, aseɪ] noun 1》 the testing of a metal or ore to determine its ingredients and quality. 2》 a procedure for measuring the biochemical or immunological activity of a sample. verb 1》 carry out an assay on. 2》 archaic attempt. Derivatives… …   English new terms dictionary

• assay — A chemical test to determine the purity of a sample of metal or to determine the content of an alloy. In the UK assays are carried out by official Assay Offices, the marks of which appear in the hallmarks of silver and gold articles …   Big dictionary of business and management

• assay — Synonyms and related words: acid test, analysis, analyzation, analyze, anatomize, anatomizing, anatomy, appraise, appreciate, approach, assaying, assess, attempt, bid, blank determination, break down, break up, breakdown, breaking down, breaking… …   Moby Thesaurus