. Ciba Foundation symposium on ionizing radiations and cell metabolism. Radiation -- Physiological effect; Cell metabolism; Radiation -- effects; Radioactivity. 126 Alexander Hollaender and George E. Stapleton 2. The effect is dose-independent, a true dose-reduction phenomenon (Fig. 5). 3. The effect is related to inactivation by free radicals. Dose-reduction factor is reduced for oxygen-free suspensions. 4. The survival of irradiated cells at any temperature may. 10 -r 30 X-RAY DOSE (kr) 1 70 Fig. 5. Recovery at various X-ray doses (aerobic B/r 20-hour culture cells irradiated). O, Holding at
. Ciba Foundation symposium on ionizing radiations and cell metabolism. Radiation -- Physiological effect; Cell metabolism; Radiation -- effects; Radioactivity. 126 Alexander Hollaender and George E. Stapleton 2. The effect is dose-independent, a true dose-reduction phenomenon (Fig. 5). 3. The effect is related to inactivation by free radicals. Dose-reduction factor is reduced for oxygen-free suspensions. 4. The survival of irradiated cells at any temperature may. 10 -r 30 X-RAY DOSE (kr) 1 70 Fig. 5. Recovery at various X-ray doses (aerobic B/r 20-hour culture cells irradiated). O, Holding at 18° C; 0, holding at 37° C. (Stapleton, Billen and Hollaender, 1953.) be related to the relative rates of synthetic and radiation- induced degradative processes. An effect of the medium in which the cells are incubated is displayed at all the temperatures studied (Stapleton, Sbarra, and Hollaender, 1955) (Fig. 6). The pertinent results can be summarized as follows: 1. Additivity can be shown between the temperature and. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ciba Foundation; Wolstenholme, G. E. W. (Gordon Ethelbert Ward); O'Connor, Cecilia M. (Cecilia Mary), 1927-. Boston, Little, Brown
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