Lethal Effects in Tadpoles of Xenopus laevis(Daudin) after Irradiation with High-Energy Electrons
Tadpoles of Xenopus laevis in a small water phantom were exposed to doses of 500, 1000, 1500, 2000, and 2500 r high-energy electrons from a 31-Mev betatron. Investigations were made concerning the infiuence of dose-rate, total dose, and site of the irradiated animals in the phartom on lethality. The experiments were repeated after one year. Data are tabulated. After a single dose of 500 r the lethality of the tadpoles was considerably higher at a dose rate of 300 r/min than at 50 r/min. The lethality of the animals increased with the depth of the phantom and also when the dose and dose-rate were constant. This phenomenon was attributed to rapid changes in linear-energy transfer with increasing depth in water.
- Research Organization:
- Universitat, Bern
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-17-007861
- OSTI ID:
- 4727115
- Journal Information:
- Nature (London), Journal Name: Nature (London) Journal Issue: 4857 Vol. 196; ISSN 0028-0836
- Publisher:
- Nature Publishing Group
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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