INDEX 



Radiologists, hlood counts of, 43 



iiicidtnce of kukacmia in, 11) 

 Radio-protfction, 169, 179, 190, 221 

 Radiolysis, 87, 95. 105 



of water, 165 

 Radium, isotopic. li-vcls of in laboratories, 



149 

 Rainfall, radio-activity in, 127, 138, 210 

 Rat, inununologiral studies in, 236 

 radio-protcrlion in, 169, 179, 187 

 R.H.K., dctinition of, 7 

 Rescrpine, and release of radio-protective 



agents, 173 

 Resistivity, electrical, effect of radiation on, 



277 

 Retina, response of to ionizing radiation, 284 

 Rice, uptake of radio-activity by, 219 

 Roots, irradiation of, 6, 153 

 Rye-grass, uptake of radio-activity by, 215 



Scavengers, use of, 88, 104, 166 

 Secondary radiation disease, 48, 73 

 Seeds, irradiation of, 153, 190, 297 

 Sheep, 



uptake of fission-products by, 21 1 

 radioiodine by, 142 

 Skin, carcinogenesis of, 284 



grafting following irradiation, 68 

 local irradiation of, 153, 172 

 Soils, radio-active contamination of, 212 

 Spectroscopy, electron spin resonance, 292 

 flash, 291 

 light, 291 

 U.V., 291 

 Spleen, cell inoculi following X irradiation, 

 237 

 grafting following irradiation, 47, 74 

 radiation damage to, 153 

 radio-protective action of cysteamine in, 



189 

 uptake of >^* Au by, 58 

 Split-dose techniques, 288 

 effects of, 163, 191, 230 

 Streptomycin, protective action of in 



neutron-irradiated mice, 152, 224 

 Strontium, metabolism of, 119 



radio-active, uptake by man and beast, 

 117 

 '"Strontium, as source of irradiation, 95 

 in human food chain, 209 

 rainfall, 210 



soil and pastures, 143, 211 

 levels in bone, 143, 213 

 measurement of in fall-out in Australia, 



143 

 permissible contamination, levels of in 

 laboratories, 149 

 Succinic acid, radiation synthesis of, 109 

 Synthesis, biological, following irradiation, 

 95 



Sy n t hesis — continued 



of organic compounds bv irradiation, 87, 

 103 

 urea, 110 

 radiation, <l( liiiiiioii of, 103 



Target theory, 109 



Thermal conductivity, effect of radiation on, 



278 

 232Thorium, levels of in laboratories, 148 

 Thyroid, build-up of '^'I by, 142, 244 



iodide clearance rate, 244 

 Thymus, effect of whole-body irradiation on 

 function of, 26 

 extracts, 26 



leukaemia induced by radiation treat- 

 ment for enlarged, 16, 26, 30 

 radio-protective action of cysteamine in, 

 189 

 Tolerance, radiation, 68, 73, 222, 236 

 Toluene, irradiation of in chlorine, 106 

 Tradescantia microspores, irradiation of, 8, 



163 

 Transplants — see grafts. 

 Tritium (^H), as source of irradiation, 105 

 Trypsin, 166 



Tryptamine, radio-protective action of, 172 

 1 -tryptophan, radio-protective action of, 172 

 Tumours, mammalian, 76, 153, 284 



UNO Scientific Committee on the Effects of 



Atomic Radiation, 15, 30, 143 

 Urea, radiation synthesis of, 110 



I'iciafaba roots, irradiation of, 6, 155 



Virus, irradiation of, 285 



Virus theory of leukaemia induction, 22 



White cell counts, following irradiation, 40, 

 43 



X-rays, and homograft survival, 68 



incidence of leukaemia, 15, 30 



treatment of leukaemia, 47 

 behaviour of Daphnids under, 284 

 cell mutagens produced by, 162, 193, 253 

 dose, diagnostic assessment of, 30 



W value, 2 



D, value, 288 

 following spleen cell transfer, 237 

 effect of on mouse foetus, 248 



retina, 284 

 induced damage, oxygen effect on, 76, 153 

 methods of protection from, 169, 179, 187 

 synthesis of organic compounds by, 110 



Yeast, irradiation of, 6, 153 

 '"Yttrium, as source of irradiation, 95 



304 



