INDEX 



241 



Paper electrophoresis, 157-158 



Partition, liquid-liquid, in chromatog 

 raphy, 151-153 



Periodicals, scientific, 19, 20-21, 23- 

 24 



Per kin-Elmer Corp., 117, 118 



pH, 41-42, 187, 226 



Phase contrast microscope, 103-105 



Photometer, flame, 128-129 



Photosynthesis, 17, 62, 66, 67, 70, 75, 

 130, 132, 137-138, 192-193 

 Chlorella experiments, 62, 66, 67, 



70 

 gas exchange in, 130, 132, 137-138 

 Hght-absorbing phase, 75 

 manometric techniques of measuring, 

 192-193 



Pipette, 42, 43-44, 45, 52, 214 



Planck's constant. 111 



Polarization microscopy, 93, 105-107 



Potentiometer, 183 



Potentiometric techniques, of electrical 

 measurement, 186-187 



Power supplies, for electrical measure- 

 ments, 184-185 



Preparation of materials, for micros- 

 copy, 99-101 



Pressure, measurement of, 42 



Proteins, in chromatography, 156, 157, 

 158 



Radiant energy, 88, 111, 116, 117 

 Radiation, 116-117, 162, 167-172, 

 181 



detection, 116-117, 167-170 



laboratory safety, 171-172 



measurement, 181 

 Radiation Safety Officer, 172 

 Radioactivity, of isotopic tracers, 162, 



171-172 

 Radioautography, 155, 167 

 Randomization, 213-215 

 Randomness, in statistics, 200-201 

 Record systems, for printed data, 26-28 



Record systems CCont.^ : 

 computer sorting, 28 

 edge-punched cards, 27-28 

 subject matter file, 28 

 Recording instruments, as output trans- 

 ducers, 183 

 Refraction, 89-90, 98 

 Refractive index, 89-90, 93, 95, 96, 



97, 98 

 Regression, 208-209 

 Religion, and science, 9 

 Reprints, of scientific papers, 26 

 Research, 4, 12-29 

 in biology, 12-18 



assumptions by biologist, 15 

 biological problems, 16-18 

 difficulties in, 14-15 

 hterature, 19-29 

 data. See Data, calculation of 

 scientific, defined, 4 

 Resins, in ion exchange chromatog- 

 raphy, 153-154, 155, 157 

 Resolution, in microscopy, 93, 95-98 

 Respiration, 130, 131, 132, 137-138 



Safety, 55, 171-172 



instruments for experiments, 55 



with radioactive materials, 171-172 

 Samples, parameters of, 202-203 

 Sampling, 213-215 

 Santayana, George, 5 

 Scale, trip, 36 

 Scaling circuits, 168 

 Schrodinger, E., 14 

 Science, 1-11 



applied, 3 



basic, 3 



biological, subdivisions, 2—3 



defined, 1-3 



goals, 3-4 



limitations of, 9-11 



methods of, 5-9 



deductive reasoning, 7 

 experimental, 6—7 



