After intraperitoneal injection of tartar emetic at the dosage of 15 mg/kg or ammonium antimonyl gluconate at the dosage of 60 mg/kg to rats once a day for fourteen days, a dose of I~(131) of 0.24 microcurie was administered intraperitoneally.
Cuitures of peripheral blood leukocytes were examined fromnine persons occupationally exposed to γ-ray(total doses were 42.79—122.81 rem over 7—10 years)and two persons with wound contaminated withplutonium(body burdens were 1.8 nCi and 6.5—14.4μCi,respectively).
Based on these data the average accumulativecontent of radium-226 in human body was estimated to be about 70 pCiand the dose absorbed by bone for year was calculated to be about 2.5mrad.
The Content of ~(210)Po in six varieties of china-made cigarettewas repored in this paper. The average ~(210)Po content per cigarette was det-ermined to be 0.85 pci (31.4Bq).
Mice inoculated with Ehrlich ascites carcinoma cells were intraperitoneally injected on the 8th day with actinomycin K. The animals were killed 6 hours after injection.
After intraperitoneal injection of tartar emetic at the dosage of 15 mg/kg or ammonium antimonyl gluconate at the dosage of 60 mg/kg to rats once a day for fourteen days, a dose of I~(131) of 0.24 microcurie was administered intraperitoneally. The animals were sacrificed 24 hours after the I~(131) administration and the radioactivity in the thyroid was measured. The I~(131) up-take by the thyroid of the tartar emetic treated or of the ammonium antimonyl gluconate treated rats was not significantly different...
1. The materials used in this experiment are seedlings of winter cabbage (Brassica campestris L.), maize(Zea mays L.) and tomato (Lycopersicum esculentum M.). Some of the winter cabbage seedlings are raised from vernalized seeds, others from unvernalized seeds. Young branches and detached leaves of tomato plant are also tested. The concentrations of gibberellin are 0 (control), 40 and 80 ppm. Radioactive phosphorus (P~(32)) are supplied as KH_2PO_4 in 485 pc per litre. 2. The results of this experiment indi...