INFLUENCE OF CALCIUM PHOSPHATE ON THE ABSORPTION OF RADIOACTIVE STRONTIUM
To determine the period during which a protective effect against strontium-85 uptake by rats could be obtained by bone-meal feeding, the stock diet containing 10 percent bone meal was restored to fasted rats at various intervals after administration of strontium-85. Twenty-four hours after receiving the strontium, rats were killed, and strontium-85 was assayed in the residual carcass, urine, gut, and feces. It was shown that reduction in absorption and retention after 24 hr was greatest for rats that ate within a few minutes of receiving the dose. Absorption increased at further intervals until, at one hour, ingestion of the diet had little influence on the proportion of the dose absorbed. It is thus concluded that calcium phosphate might prove a useful, safe means of reducing absorption after the accidental ingestion of radioactive strontium by man. (H.M.G.)
- Research Organization:
- Medical Research Council, Harwell, Berks, Eng.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-17-037047
- OSTI ID:
- 4631232
- Journal Information:
- Nature, Journal Name: Nature Vol. Vol: 199
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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