COMPARISON OF PAPER AND THIN-LAYER RADIOCHROMATOGRAPHY FOR THE QUANTITATIVE ANALYSIS OF THYROIDAL IODOAMINO ACIDS

in Journal of Endocrinology
Authors:
JANICE M. ENSOR
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PAT KENDALL-TAYLOR
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SUMMARY

Paper and thin-layer radiochromatography have been applied both to the analysis of iodine-containing compounds discharged by mouse thyroid glands maintained in vitro and to their distribution in hydrolysates of the gland. The results are in close agreement. The addition of thyroid-stimulating hormone to the medium supporting the mouse thyroid glands increased the release of labelled iodothyronines.

Compared with paper, thin-layer chromatography separated thyroxine and tri-iodothyronine more effectively; there was also less deiodination and a higher degree of reproducibility and reliability.

 

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