Abstract
Prof. G. Hevesy and A. H. W. Aten have administered radioactive sodium phosphate to goats and determined the amount of 'labelled' phosphorus found in blood and in milk, after varying periods. It takes 3-4 hours for the milk inorganic phosphorus to be almost entirely composed of individual atoms present in the blood plasma after the start of the experiment. Casein is apparently formed in the gland cells in about an hour, while it takes rather longer for the formation of the esterified phosphorus and longest to form the phosphatide molecules.
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Points from Foregoing Letters. Nature 142, 118 (1938). https://doi.org/10.1038/142118c0
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DOI: https://doi.org/10.1038/142118c0