[PDF][PDF] Clinical assessment of a radioimmunoassay for free thyroxine using a modified tracer

DW Chan, JM Waud, TH Hsu - Journal of Nuclear Medicine, 1983 - Soc Nuclear Med
A radioimmunoassay for measuring free thyroxine In plasma was introduced by Amersham
using a l-125-labeled T4 derivative that does not bind significantly to the thyroxlne-binding …

Free thyroxin by radioimmunoassay: evaluation of a new direct method involving a radiolabeled thyroxin analog.

NP Kubasik, PA Lundberg, RG Brodows… - Clinical …, 1983 - academic.oup.com
We present here the first performance evaluation of a new direct method for free thyroxin
(T4) in serum by radioimmunoassay, with use of coated tubes and a radiolabeled T4 analog …

Non-isotopic, two-step free thyroxine immunoassay: a better measure of free thyroxine than analogue radioimmunoassay

GJ Beckett, WA Ratcliffe, B Chapman… - Annals of clinical …, 1990 - journals.sagepub.com
Plasma or serum free thyroxine (T4) was measured by a novel non-isotopic, two-step
immunossay in 373 consecutive patients attending a thyroid clinic, in whom thyroid status …

[PDF][PDF] A simple and rapid radioimmunoassay of triiodothyronine in unextracted serum

BN Premachandra - Journal of Nuclear Medicine, 1976 - Soc Nuclear Med
MATERIALS AND METHODS High-specific-activity 1251-T3 (590 j. tCi/sg) was obtained
from Abbott Laboratories (North Chicago, Ill.). No significant decomposition was observed …

A solid phase radioimmunoassay for the measurement of free thyroxine: a new screening test for thyroid function?

MK Gupta, R Salazar… - American Journal of …, 1983 - academic.oup.com
A solid phase radioimmunoassay for the measurement of free thyroxine, utilizing
immunoextraction of free T4, was evaluated for its clinical utility and compared to the free …

[PDF][PDF] Evaluation of an immunoextraction procedure for the estimation of free thyroxine concentration

LR Witherspoon, SE Shuler… - Journal of nuclear …, 1984 - Soc Nuclear Med
RESULTS Displacement that we observed in the assay calibration curve* was similar to that
reported by Chan et al.(6). lntraassay precisions, expressed as CVs within the same assay …

The clinical utility of a non-isotopic two-step assay (DELFIA) and an analogue radioimmunoassay (SimulTRAC) for free thyroxine compared

GJ Beckett, E Wilkinson, PWH Rae… - Annals of clinical …, 1991 - journals.sagepub.com
The analytical and diagnostic performance of a new non-isotopic, two-step immunoassay
(DELFIA) for the measurement of free thyroxine (free T4) in plasma or serum has been …

[CITATION][C] Clinical evaluation of a new indirect indicator of serum-free thyroxine concentration

CM Abreau, F Azizi, AG Vagenakis… - Journal of Nuclear …, 1973 - Soc Nuclear Med
A rapid, simple test for indirectly estimating serum-free T4 concentration is described which
accurately assesses thyroid function irrespective of the status of the serum T4 binding …

Free thyroxine by solid phase radioimmunoassay: improvement in the laboratory diagnosis of thyroid status in severely ill patients

MF Bayer, IR McDougall - Clinica Chimica Acta, 1982 - Elsevier
During severe systemic illness total thyroid hormone levels are often low, and measurement
of total hormones often does not differentiate between euthyroid and hypothyroid patients …

Free serum thyroxine in T4-treated patients

JEM Midgley, TA Wilkins, AF Giles - Nuc Compact, Compact News in …, 1981 - inis.iaea.org
[en] A clinical trial of a new radioimmunoassay kit for free thyroxine (fT 4) in serum or plasma
has been held in 9 European countries. Normal ranges for fT 4 in untreated euthyroid …