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ASSAY. A chemical examination of metals, by which the quantity of valuable or precious metal contained in any mineral or metallic mixture is ascertained. 2. By the acts of Congress of March 3, 1823, 3 Story's L. U. S. 1924; of June 25, 1834, 4 Shars. cont. Story's L. U. S. 2373; and of June 28, 1834, Id. 2377, it is made the duty of the secretary of the treasury to cause assays to be made at the mint of the United States, of certain coins made current by the said acts, and to make report of the result thereof to congress.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
In this report, the global Plant Physiology Assay Kit market is valued at USD XX million in 2019 and is projected to reach USD XX million by the end of 2023, growing at a CAGR of XX% during the period 2019 to 2023.
Grifols recently received FDA approval for two other assays on the Procleix Panther System--the Procleix Ultrio Elite (for HIV-1, HCV, and HBV and detect HIV-2), and West Nile Virus assays.
The company stated the Panther Fusion Paraflu assay is a multiplexed assay that runs on the new Panther Fusion system.
The Fusion Paraflu assay detects and differentiates Parainfluenza viruses 1, 2, 3, and 4.
Last year, Birmingham Assay Office announced it was opening a new branch in India where jewellery could be verified, or 'assayed', with the same anchor mark used in the city since 1773.
PBS containing 1% BSA and 0.05% sodium azide (PBS/BN) was used as the assay and wash buffer.
The global multiple reaction monitoring assay market is expected to grow moderately due to increasing research and development activities in the biologics field.
Updated labeling for the Xpert MTB/RIF Assay includes the recommendation that the decision whether to test one or two sputum specimens in determining the need for continued All should be based on specific clinical circumstances and institutional guidelines.
Furthermore, growing benefits of cell-based assays over other methods, their increasing adoption in drug discovery, and advancements in automation and high-throughput techniques will aid market growth.
A normal PT, normal/abnormal APTT and a prolonged closure time for both the collagen/ADP and the collagen/epinephrine cartridges in the PFA-100 assay, will lead to further laboratory investigations.