Results 181 to 190 of about 29,516 (230)

The Effect of Wrestling Training and Sauna Practice on TSH and FT4 Hormones

, 2013
ÇOLAK, MERGÜL, AĞIRBAŞ, ÖZTÜRK, EROĞLU, HÜSEYİN, AĞGÖN, ESER, UÇAN, İZZET, KIYICI, FATİH   +5 more
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Global FT4 immunoassay standardization. Response to: Kratzsch J et al. Global FT4 immunoassay standardization: an expert opinion review

Clinical Chemistry and Laboratory Medicine, 2021
exaly   +3 more sources

Current utility of first‐line FT4 and TSH in screening for central hypothyroidism [PDF]

Clinical Endocrinology
Background Thyroid testing strategies vary across laboratories. First-line combined thyroid stimulating hormone (TSH) and freeT4 (FT4) have historically been preferred by many laboratories as this detects individuals with undiagnosed central ...
Carol Evans, Andrew Lansdown, Aled Rees   +2 more
exaly   +2 more sources

Hypothesen zur „Validität“ radioimmunologischer FT4-Meßergebnisse

Klinische Wochenschrift, 1984
Leb G
exaly   +2 more sources

TT4 vs. FT4 in laboratory practice

Clinical chemistry and laboratory medicine, 2016
Thyroid function tests are among the most common requirements in the laboratory. According to the guidelines, thyrotropin (TSH) is recommended as a first test for thyroid function. If the TSH is outside the RI it’s recommended to make FT4. FT4 is the biologically active fraction of the hormone that doesn’t depend on the concentration of binding ...
Rolić, Tara, Mandić, Sanja, Horvat, Vesna, Lukić, Iva, Lukić, Maja, Šerić, Vatroslav   +5 more
openaire   +3 more sources

Misleading FT4 and FT3 Due to Immunoassay Interference From Autoantibodies

Clinical Biochemistry, 2022
Immunoassays used to measure total and free thyroxine (T4 and FT4) and total and free triiodothyronine (T3 and FT3) can provide inaccurate results due to interference from endogenous autoantibodies.A 74-year-old female treated for hypothyroidism with levothyroxine replacement had elevated thyroid stimulating hormone (TSH), FT4, and FT3.
Travis, Goettemoeller, Adam J, McShane, Pratibha, Rao   +2 more
openaire   +2 more sources

Thyroid hormone (fT4) reduces lipoprotein(a) plasma levels

Atherosclerosis, 1995
To study the influence of thyroid hormone on Lp(a) plasma concentration we measured Lp(a), total cholesterol, LDL-C, HDL-C, triglycerides and fT4 levels and determined apo(a) phenotypes in 26 patients with hyperthyroidism in a follow-up study before and after thyreostatic treatment.
F, Hoppichler, C, Sandholzer, R, Moncayo, G, Utermann, H G, Kraft   +4 more
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Aptamer-Antibody Sandwich Immunosensor Forelectrochemical Detection of Ft4

Microchimica Acta
An aptamer-antibody sandwich electrochemical immunosensor was studied. Fe3O4/MWCNTs-COOH/Nafion was modified and fixed on a glassy carbon electrode to amplify electrical signals. The antibody was coupled with AuNPs to form conjugates. It captures the target free thyroxine (FT4) and forms antibody-AuNPs/FT4 macromolecular complexes.
Yuechan, Shi, Beibei, Hu, Baoyuan, Liu, Xiaomeng, Li, Yongshuai, Jing, Zhongqiu, Li, Zhiwei, Li, Shiguo, Sun   +7 more
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[Determination of the free thyroxine concentration (FT4) in serum using the FT4 fraction and total thyroxine concentration].

Acta medica Austriaca, 1985
A new equilibrium assay for the determination of serum free thyroxine was evaluated in 514 patients. The assay comprises a two-vial-procedure to measure total thyroxine and free thyroxine fraction by use of monoclonal antibodies. Free thyroxine concentrations are calculated from fT4-fraction and total thyroxine concentration readings.
A, Passath, O, Eber, G, Leb, H, Hayn
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[Diagnostic value of FT4 concentration and T4/TBG radio--better discrimination with FT4 in marked TBG anomalies].

Nuklearmedizin. Nuclear medicine, 1983
In 211 consecutive patients T4/TBG ratio correlated well with direct FT4 determination over a wide range of TBG concentration. However, there was a tendency to decreasing T4/TBG ratios with an increase of TBG concentration, which in consequence did lead to false results in three patients with very high TBG concentrations.
H G, Hoff, D, Reinwein
openaire   +1 more source