-SUBJECT INDEX 



517 



Decalcification, effect upon alkaline 



phosphatase, 78 

 Deductive methods in chemical tech- 

 niques, 435 

 Dehydroascoibic acid by titrimetric 



method, 301 

 Density of photographic film, meas- 

 urement by Caspersson photo- 

 electric apparatus, 138 

 by Gunther-Wilcke procedure, 



140 

 by self-recording microphotom- 

 eter, 138 

 Density and "reduced weight" by 



dilatometric techniques, 420 

 Deproteinization of blood in determi- 

 nation of reducing sugars, 298 

 Desmoglycogen, by Heatley-Lindahl 

 method, 300 

 separation from lyoglycogen, 300 

 Desox>'ribonucleic acid, estimation 

 by Stowell technique of absorption 

 histospectroscopy of Feulgen re- 

 action, 126 

 Diaphanol method for softening 



chitin, 53 

 Differential centrifugation in isolation 



of mitochondria, 462 

 Differential respirometer of Cunning- 

 ham-Barth-Kirk, 314 

 Scholander micrometer burette 

 type, 324 

 Digestion oven, Borsook-Dubnoff 



type, 181 

 Digitonin, in detection of free cho- 

 lesterol, 39 

 Dilatometric techniques and appara- 

 tus, 413-417 

 in measurement of peptidase, 417 

 p-Dimethylaminobenzylidene rhoda- 

 nine, for localization in detec- 

 tion of copper, 23 

 of mercury, 24 

 of silver, 26 

 2,4-Dinitrophenylhydrazine, in deter- 

 mination of ascorbic acid, 245 

 Diphenylamine reagent, in determin- 

 ation of glycogen, 248 

 use in method for chlorides, 201 

 Diphosphopyridine nucleotide, An- 

 finsen method, 396 



Diphosphopyridine nucleotide, (con- 

 tinued) : 



determination by Cartesian diver 



manometry, 396 

 extraction from tissue sections, 396 

 Disulfide groups, chemical staining 

 methods, 36 



Diver: 



^artesian. See Cartesian 

 See Microliter 



diven 

 Divers, i licroliter 



diven 



Divers, microliter. See Capillary 

 diver; 



Dopa oidase, chemical staining 

 meth is for, 91 

 necessit for control runs in detec- 

 tion, 2 



Dounce rocedure for isolation of 

 nucle 456 



Dounce-In procedure for isolation 

 of ce nuclei, 455 



Drugs, (knge of fluorescent color 

 with miperature, 107 



Dublin etUcation of Bodin method 

 for :3aIization of melanin, 61 



DuBois 3vice for drawing micro- 

 pipe !S, 176 



Dubos-Bchet method for staining 

 ribojcleic acid, 66 



Dunn nihod for hemoglobin, 63 



E 



Edwardi- Scholander - Roughton 

 mettl for nitrogen, 336 



EhrUch saction for localization of 

 ind(3 and related compounds, 73 



Electro(, 183 

 glass, 3co-Cunningham-Kirk type, 

 183 



glass 

 184 

 open. 



)illary, Claff-Swenson type, 



r measurement of oxj^gen 

 teni in tissues, 411 



for measurement of oxy- 



^n tension in tissues, 407 



mtages, 410 



ixise in blood, 411 



sealea capillary glass, Pickford 



tvJl86 



