1979
DOI: 10.1515/cclm.1979.17.7.483
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Evaluation of Enzyme Immunoassays for Determination of Thyroxine (EMIT, ENZYMUN) and of Thyroxine Binding Index

Abstract: An evaluation of enzyme immunoassays for determination of thyroxine in serum (EMIT ABA thyroxine assay, Syva Corp., ENZYMUN assay thyroxine, Boehringer Mannheim) and of thyroxine binding index (ENZYMUN assay TBI 1 ), Boehringer Mannheim) is presented. The precision of the enzyme immunoassays was adequate (coefficients of variation ranged from day to day with EMIT from 3-11% and with ENZYMUN from 4-11%). Both assays are specific and easy to perform. About 20 unknown samples can be analyzed in duplicate by EMIT … Show more

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Cited by 2 publications
(2 citation statements)
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“…The evaluation demonstrated that 1. the specificity of the assay and its analytical range between 0.46 and 9.2 nmol/1 meet diagnostic requirements, 2. the intra-and interassay precision was in accordance with that commonly found in radio immunoassays, 3. the recovery of added T 3 was between 90 and 103%, 4.…”
Section: Determination Of Triiodothyronine In Serum With a Heterologosupporting
confidence: 86%
“…The evaluation demonstrated that 1. the specificity of the assay and its analytical range between 0.46 and 9.2 nmol/1 meet diagnostic requirements, 2. the intra-and interassay precision was in accordance with that commonly found in radio immunoassays, 3. the recovery of added T 3 was between 90 and 103%, 4.…”
Section: Determination Of Triiodothyronine In Serum With a Heterologosupporting
confidence: 86%
“…However, the EMIT digoxin assay and, at low concentrations (3.1 Mg/dl), the EMIT thyroxine assay (figs. [4][5], showed a some- what lower precision with the (Cobas) Bio than has been reported for other Systems and possibly other reagent lots (l, 4,7,8). Calibration curves of the EMIT phenytoin and methotrexate assays were stable for a period of at least one hour.…”
Section: Discussionmentioning
confidence: 99%