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Biol Bull 113: 442-450. (December 1957)
© 1957 Marine Biological Laboratory
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THE METABOLISM OF STRONTIUM-90 AND CALCIUM-45 BY LEBISTES

HAROLD L. ROSENTHAL 1

1 Division of Biochemistry, Department of Pathology, Rochester General Hospital, Rochester, New York

1. The uptake of strontium-90 by male Lebistes from the water in which they swim is linear with time for the total carcass and tissues studied. Tissues containing high concentrations of calcium accumulate more strontium-90 than soft tissues. The rate of turnover of the nuclide varies from very fast to very slow according to the type of tissue. The whole body, head and spine retain strontium-90 for long periods of time (Tfrac12 = 600 days) while viscera loses the isotope rapidly (Tfrac12 = 8 days).

2. A comparison between strontium-90 and calcium-45 uptake and turnover by male Lebistes are qualitatively similar but significant quantitative differences are apparent.






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Copyright © 1957 by the Marine Biological Laboratory.