Title: Experimental investigations on possibilities of chemical radiation protection
Abstract: The radioprotective effect of the sulph-hydryl compounds N-acetyl- homocysteine-thiolactone and cysteine in combination with fructose (Reducdyn(R)) at various high radiation doses, different doses of the protective chemical and varying times of application before and after irradiation was investigated in animal experiments. Altogether, 540 mice were subjected in groups to whole body irradiation with 500, 1,000 and 2,000 R, doses of 0.1, 0.25, 0.5 and 1.0 ml Reducdyn(R) being injected intraperitoneally at each dose. In the case of animals irradiated with 1,000 R these different dosages of the protective chemical were given immediately before and 6, 12, 24, and 48 hours before and after the irradiation. The results showed that the effect of the protective substance decreased with increasing radiation dose, and was directly dependent on the dosage of the substance. A significant radioprotective effect could be demonstrated both with the prophylactic use of Reducdyn(R) 48 hours before irradiation and also 24 hours after exposure. The utilisation of this type of chemical radioprotective substance is possible when exploding nuclear weapons or in accidents in nuclear engineering establishments. (orig.)
Publication Year: 1973
Publication Date: 1973-01-01
Language: en
Type: article
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