IN a recent paper1, we described a method which could be used for identifying thyroxine in a feeding-stuffs additive; its separation from the other components present ii the hydrolysed iodinated protein was effected on paper and on starch-bound cellulose powder thin-layer plates.
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Devlin, W. F., and Stevenson, N. R., J. Pharm. Pharmacol., 14, 597 (1962).
Barker, S. B., Methods in Hormone Research, 1, 366 (Academic Press Inc., New York and London, 1962).
Gmelin, R., and Virtanen, A. I., Acta Chem. Scand., 13, 1469 (1959).
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CLEMENTS, R., PATTERSON, S. Relationship between the 3,3′,5-Triiodo-L-thyronine Content of Thyroid as determined by a Thin-layer Chromatographic Method and the Biological Potency assayed by a Rat Anti-thiouracil Goitre Method. Nature 207, 1292 (1965). https://doi.org/10.1038/2071292a0