2C CONTENTS 



Damage to the Reproductive Capacity of Human Cells in Tissue 

 / Ciilture by Ionizing Radiations of Different Linear Energy Transfer. 



By G. W. Barendsen \ 183 



Phosphate Metabolism in the Nucleus. By L. A. Stocken 195 



Initial Steps in Radiation Damage to Chromosomes and Means of 

 Preventing this Effect. By Alexander Hollaender 201 



On the Mechanism of Inliiliition of Cell Division Induced by 

 Ionizing Radiation. By A. V. Lebedinsky, V. M. Mastryukova 

 AND A. D. Strzhizhovsky 211 



The Biochemical Mechanism of the Disturbance of Cell Division by 

 Radiation. By A. M. Kuzin 223 



The Role of Cellular Damage in the Mammalian Radiation Syndrome. 

 By E. Y. Grayevsky, I. M. Shapiro, M. M. Konstantinova and 

 N. F. Barakina 237 



Studies on Enzymes and Yeast Cells with Accelerated Heavy Ions. 

 By Cornelius A. Tobias, Tor Brustad and Thomas Manney. . . . 257 



The Rhythm of Oxidative Processes and its Disturbance under the 

 Action of Radiation. By G. M. Frank and A. D. Snezhko 269 



Immediate Reactions of Nerves and Muscles to Ionizing Radiation. 

 O. Hug and H. J. Schliep 287 



Mechanisms of Chemical Radiation Protection. By Z. M. Bacq and 

 P. Alexander 301 



Kinetics of Primary Reactions and Chemical Protection. By V. N. 



Tarusov 315 



General Discussion 327 



