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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 ?
We had similar findings in preliminary experiments using the same GAD 65 antigen as in assay 2 in a radioligand assay developed in our laboratory.
Also, we cannot exclude the possibility that the epitopes presented by the recombinant cells are not the same with those recognised by the previously reported radioligand assays [7, 18, 21].
The ER radioligand assays measure displacement of [[.sup.3]H]-estradiol at final ligand concentrations of 0.1 nM (hER) and 0.7 nM (bER) with the positive reference 17[beta]-estradiol.