assay

(redirected from TSH assay)
Also found in: Dictionary, Thesaurus, Medical, Financial, Encyclopedia.

assay

noun analysis, ascertainment, assessment, breakdown, calculation, computation, diagnosis, experiment, exploration, measurement, probation, probe, test, test case, verification

assay

verb analyze, ascertain, assess, calculate, commute, diagnose, endeavor, evaluate, experiment, measure, research, test, try, verify, weigh

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.

Mentioned in ?

References in periodicals archive ?

With respect to the second question, the current third-generation TSH assays are exquisitely sensitive.

Troubled thyrotrophs

The results from this method comparison study suggest that a practical approach to harmonization of TSH assays could be to establish traceability of calibration to the mean values for a panel of serum samples.

Report of the IFCC Working Group for Standardization of Thyroid Function Tests; Part 1: thyroid-stimulating hormone

Since it suppresses TSH, it makes TSH assays unreliable.

Learn to answer troublesome questions about thyroid tests

A false-negative value can be seen, however, when the interfering antibodybinds to 1 of the 2 antibodies in a noncompetitive assay (6), as in the Roche Elecsys TSH assay.

A girl with goiter and inappropriate thyroid-stimulating hormone secretion

It may be necessary, however, to provide more than 1 alternative assay, because we found that 4 of 7 TSH assays were affected in our study (1), and Halsall et al.

Macro thyrotropin-IgG complex causes factitious increases in thyroid-stimulating hormone screening tests in a neonate and mother

The interference seen with the TSH assays (Bioclone Elegance, Dade Befiring Dimension, Abbott AxSYM, DPC 1MMULITE, and Beckman DxI assays) in samples from our patients appears to have been transmitted transplacentally from the mother's blood.

Factitious increase in thyrotropin in a neonate caused by a maternally transmitted interfering substance

Evaluation of the analytical and clinical performance of a third generation TSH assay on Bayer Advia Centaur analyzer [Abstract].

Performance characteristics of 6 third-generation assays for thyroid-stimulating hormone

The ADVIA Centaur method did not meet the definition of a third-generation TSH assay because the TSH concentration at which it had a CV of 20% was 0.

Performance characteristics of six third-generation assays for thyroid-stimulating hormone

The detection limits correspond to those for the fourth- and third-generation TSH assays.

Quantitative, rapid europium(III) nanoparticle-label-based all-in-one dry-reagent immunoassay for thyroid-stimulating hormone

In an attempt to avoid such interference, Roche Diagnostics have used in their TSH assay "special interference-eliminating" reagents and a chimeric antibody (2).

Misleading high thyrotropin results obtained with a two-site immunometric assay involving a chimeric antibody

These data suggest that the IgG[kappa] paraprotein contained within the patient's restricted immunoglobulin peak produced the false-negative results on the Abbott AxSYM TSH assay.

Negative thyrotropin assay interference associated with an IgG[kappa] paraprotein

The imprecision of the specific signal (signal--background) was determined in the TSH assay as 82 [+ or -] 10 counts (n = 5; CV = 12%) at 3.

Miniaturization of the luminescent oxygen channeling immunoassay (LOCI[TM]) for use in multiplex array formats and other biochips

Full browser ?

CITE

Site: Follow: Share:

Open / Close