A simplified method for estimating free-thyroxine fraction in serum.

نویسندگان

  • R R Cavalieri
  • J N Castle
  • G L Searle
چکیده

A SIMPLIFIED METHOD FOR ESTIMATING FREE-THYROXINE FRACTION IN SERUM Ralph R. Cavalieri, James N. Castle and Gilbert L. Searle 565 NEW PATTERNS OF ABNORMAL PULMONARY PERFUSION ASSOCIATED WITH PULMONARY EMBOLI: 1. SCINTIGRAPHIC MANIFESTATIONS S. Boyd Eaton, A. Everette James, Reginald E. Greene, Joseph H. Lyons, Majic S. Potsaid and Felix G. Fleischner 571 STUDIES ON THE METABOLISM OF 75Se-L-SELENOCYSTINE AND T5Se-DLmeso-SELENOCYSTINE WITH PARTICULAR REFERENCE TO THEIR USE AS PANCREATIC SCANNING AGENTS R. N. Melmed, J. E. Agnew and I. A. D. Bouchier 575 LOCALIZATION OF 58Co AND °@Zn-HEMATOPORPHYRIN COMPLEXES IN CANINE LYMPH NODES R. A. Fawwaz, H. S. Winchell, F. Frye, W. Hemphill and J. H. Lawrence 581 LATER RESULTS OF 1311TREATMENT OF HYPERTHYROIDISM IN 73 CHILDREN AND ADOLESCENTS: 1967 FOLLOWUP Paul Starr, Henry L. Jaffe and Leon Oettinger, Jr 586 GASTROINTESTINAL ABSORPTION OF COPPER: STUDIES WITH @Cu,95Zr, A WHOLE-BODY COUNTER AND THE SCINTILLATION CAMERA Paul M. Weber, Sean O'Reilly, Myron Pollycove and Leroy Shipley 591 liSmInLABELED COMPOUND FOR LIVER AND SPLEEN STUDIES Lelio G. Colombetti, David A. Goodwin and Russell Hermanson 597 RENOGRAMS COMPARED WITH UROGRAMS, ARTERIOGRAMS AND FUNCTION STUDIES William M. Hamby, Edwin B. Miller and Ervin Kaplan 603

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Binding of Thyroxine by Serum Proteins Evaluated by Equilibrum Dialysis and Electrophoretic Techniques. Alterations in Nonthyroidal Illness.

Considerable evidence suggests that the concentration of free thyroxine, circulating unbound to serum proteins, is more closely relattd to a subject's thyroidal status than is the concentration of total thyroxine (1). Because of the intense binding of thyroxine by the serum proteins, the concentration of free thyroxine is very small and not measurable by conventional chemical methods. Robbins a...

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Evaluation of Total Antioxidant, Total Calcium, Selenium, Insulin, Free Triiodothyronine and Free Thyroxine Levels in Cows with Ketosis

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Determination of free thyroxine in serum by low-temperature equilibrium dialysis.

Equilibrium dialysis of thyroxine (14) in diluted serum at low temperature gives consistent and reproducible values for the dialyzable fraction (DF) of this hormone. The quantity of serum required for the determination is minimized by dilution, which is technically advantageous. Variations caused by temperature, dialysis time, dilution of serum, buffer system, and stability of 125l.T4 could be ...

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The Effects of Simvastatin on the Serum Concentrations of Thyroid Stimulating Hormone and Free Thyroxine in Hypothyroid Patients Treated with Levothyroxine

Background: Statins, such as simvastatin, are the drugs of choice for the treatment of hypercholesterolemia. On the other hand hypercholesterolmia can occur in hypothyroid patients, who receive levothyroxine. There are few clinical case reports in regards to drug interaction between levothyroxine and lovastatin or simvastatin, indicating decreased levothyroxine effects. This study aimed at dete...

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A rapid and simple method for simultaneous measurement of serum free thyroxine and triiodothyronine fractions.

The physiological importance of non protein-bound thyroid hormone in serum has been recognized for many years (Recant and Riggs, 1952; Robbins and Rail, 1957). Because of high-affinity binding by serum proteins, the fraction of free or unbound hormone is relatively small and its measurement presents considerable difficulties. An index of serum free thyroxine may be calculated from serum total t...

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عنوان ژورنال:
  • Journal of nuclear medicine : official publication, Society of Nuclear Medicine

دوره 10 9  شماره 

صفحات  -

تاریخ انتشار 1969