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 ?
Following repeated oral administration of 25 mg/kg BW of tilmicosin once daily in healthy chicken for 5 consecutive days, the drug could not be detected by microbiological assay in all tested tissues except in lung (96 hours) and liver and kidneys (at 72 hours) after last administration.
Microbiological assay for serum, plasma, and red cell folate using cryopreserved, microtiter plate method.
Sensitive EDTA based microbiological assay for the detection of metallo [beta] lactamase in non fermentative Gram negative bacteria.
Whole-blood folate values in subjects with different methylenetetrahydrofolate reductase genotypes: differences between the radio-assay and microbiological assays. Clin Chem 1998;44:186-8.
Samples were removed every three hours, heat-treated and treated with conjugase before the microbiological assay was performed.
Samples were removed every 3 hr, heat-treated and treated with conjugase before the microbiological assay was performed.
We changed this assay into a microbiological assay (MBA) that uses less plasma volume and further modified it for use in determining total TC.
A microbiological assay has commonly been used to analyze the amount of B12 in samples, but that method takes days and is expensive.
Microbiological assay for vitamin-[B.sub.12] performed in 96-well microtitre plates.
Serum cobalamin was determined by a Lactobacillus leichmannii microbiological assay (19) and serum and wholeblood folate by a L.

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