658 



SUBJECT INDEX 



Discovery, approaches to, 2-6 

 Disintegration, nitrogen, 533-4 



by thermal neutrons, 533-4 

 Distribution curve, Gaussian, 623-4 



Poisson, 463-5, 484-5, 623 

 Donnan membrane equiUbria, 52-55 

 Dose rate, alpha particles, 535 



beta rays, 543-56 



gamma rajs, 639-40 



neutrons, 530-2, 554 



radioactive material in tissue, 555-6 



radioactive substances, 525 



slow neutrons, 554 



units, 538-43 

 Dosimeters, pocket t3'pe, 642-3 



X-ray, 457-8 

 Dosimetry, 538 ff. 



neutrons, theoiy, 546-9 



X rays, 456-62 

 Double layer, electrical, 272-7 

 Drawing (microscope), 376-7 

 Drosophila, as irradiation material, 

 468-71, 499 



genetics 476-9 

 Drying. See Freezing-drying process. 



E 



Einstein equation, for Bro^Tiian move- 

 ment, 122 

 Electrical measurements, 233-70. See 

 also Bioelectric measurements and 

 Potential measurements. 

 Electrical potentials, around tissues, 

 262 



origin", 237-41 

 Electrodes, 241-5 



calomel, 243 



hydrogen, 242 



polarization, 266-7, 291 



resistance and capacitance, 266 



silver-silver chloride, 244 



working, 244-5 

 Electrokinetic potential, 272-3 

 Electrometers, pocket, 642-3 



tube, 541 



vacuum tube amplifier, 249-54 

 Electrometer type amplifiers, 249-54 



Electromotive force. See Potentials. 

 Electron microscope, applications, 390- 

 402, 412-5 



cost, 401-5 



magnification, 387-8 



number of, 400-1 

 Electron microscopy, 381-416 



accomplishments, 412-5 



analysis of results, 407-8 



auxiliary equipment, 403-4 



limitations, 408-12 



operational skill, 404-7 



particulate specimens, 396-S 



principles, 381-91 



replica technique, 398-9 



resolving power, 409-10 



shadow casting technique, 397-8 



preparations, suitable, 393-6 

 Electrons, 491 ff. See also Ionizing 

 radiations. 



accelerating, 520 



back-scattering, 626-7 



biological effects, 523 



inhomogeneous beams, 524-5 



natural sources, 519-20 



pulsed sources, 522-4 



range in tissue, 497, 520-1 



recoil, 465-7 



stopping powers of tissue and air, 

 543-5 

 Electron volt, definition, 601 

 Electrophoresis, 271-300. See also 

 Microelectrophoresis. 



apparatus, 282-4, 289-95, 299 



applications and advantages, 277-9, 

 287-8 



characteristics, 271-4 



definitions, 271-4 



experimental requirements, 288-9 



moving-boundary method, 287-98 

 limitations, 295-7 



theory, 274-7 

 Electroscope(s), 611-5 



Lauritsen, 611-5 

 Electrosmosis, 274 

 Embryological studies, 482-4 

 Emulsification and dispersion, 336-7 

 End window counters, 619-23 



