1046 



ADVENTURES IN BADIOISOTOPE RESEARCH 



Renewal rate, determination from rate 

 of disappearance of labelled molecules 

 417-424 



Retention of atoms of maternal origin 

 in adult white movise 198 — 203 



Rhodium 56, 58 



Ribonucleic acid, renewal of 978 — 980 



Rittenberg 26 



Rockefeller Foundation 17 



Rutherford 13, 14, 21 



Samarium 50, 56 — 58 



Sarcoma, effect on labelled nucleic acid 

 788 

 decomposition rate of nucleic acid 



780, 781 

 formation of nvicleic acid in 770—782 



Sarcomata, double, irradiation experi- 

 ments on 749 — 757 

 retrograde, turnover of nucleic acid 

 731-743 



Scandium 47, 55, 56 

 activity of 68 — 71 

 decay curve 69 

 isotopes of 70 

 neutron bombardment of 65 — 68 



Schoenheimer, Rudolf 18, 19, 26 



Seedling, wheat, interaction between 

 the nutrient solution and the phos- 

 phorus atoms of 891 — 904 



Seeds, phosphorus atom exchange in 

 887-890 



Self diffusion, in metals 122-126 

 in solid lead 110-113, 932-934 

 in solid metals 114, 115 

 measurement of 17, 110—126 

 single crystals of lead 118 

 studies 110-139, 930 



Silvenus Thompson memorial lecture 

 851-875 



Skeleton, 



calcium atoms retained through life 



217-233 

 chloride content of the mineral con- 

 stituents of 241 — 245 

 fish, rate of renewal 204, 205, 208 - 2 1 2 

 mammalia, rate of renewal 206 — 208 

 phosphorus atom exchange 235 — 237 

 rate of rejuvenation of 191 — 197, 



204-216 

 renewal of mineral constituents 981 — 



983 

 size of non-renewable part of 221, 222 

 studies 149, 245 



Skin, acetate carbon incorporation in 

 mouse 416 



Society of Nuclear Medicine, paper 

 read at Turin 997-1037 



Soddy 30 



Sodium, 



adrenaline ejection effect 619, 620 

 application in circulation studies 965, 



966 

 excretion of 558, 559 



penetration into corpuscles 511 — 513 



permeability in sciatic nerve 457, 

 458 



replacement in body 234, 235 

 Sodium bicarbonate, X-rays and hor- 

 mones on resorption rate of injected 



828-840 

 Solubility of lead sulphide and lead 



chromate 31 — 35 

 Sphingomyelin, laying hen experiments 



340 



rabbit experiments 343 



rat experiments 338 



turnover of, 309 — 345 



rabbit experiments 331 — 336 

 Spleen, 



irradiation effect on incorporation of 

 phosphorus into DNA 855 



phosphatides in 356, 357 



weights in tumoui'-bearing mice 604 

 Strassman 16 

 Svibstrates, labelled, application in the 



study of enzj^mic processes 783 — 

 790 

 Sulphate radical in the animal body, 



fate of 465-467 

 Sunflower leaves, exchange of nitrogen 



atoms in 905-909 



Teeth, 



cats, exchange of phosphorus in 



183-186 

 chemical composition of rats and 



human 169-173 

 enamel, behaviour of 186, 187 

 fluorine content of ash 171 

 inoiars, exchange of labelled phos- 

 phorus in 180—182 

 phosphorus exchange in 168 — 190 

 human 188, 189 

 Terbium 51, 58 

 Thomson J. J. 16, 20 

 Thorium B disintegration products 582 

 Thorium B labelled red corpuscles 



531-535, 578, 580-596 

 Thorium chloride in diffusion experi- 

 ments 129-131 

 Thulium 58 



Tracers in biology 23, 24, 28, 29 

 Tritium 20 



Turin meeting of Society of Nuclear 

 Medicine: — paper read 997 — 1037 

 Turnover, 



concept of 309, 310 

 measurements, indicators applied in 



311, 312 

 of embryonal iron 655 — 662 

 of lecithin, cephalin and sphingo- 

 myelin 309-345 

 of nucleic acid in retrograde sarco- 

 mata 731-743 

 of phosphatides 346, — 365 

 rate determination of 312 — 314, 317, 



318 

 rate of fatty acids in liver 403 — 407 



