972 



SUBJECT INDEX 



9,10 - Dimethyl- 1,2-benzanthracene, ef- 

 fects of quinones on carcinogenicity of, 



539 

 2,6-Dimethyl-jj-benzoquinone, bacterial 



growth, 544, 546, 548 

 Dimethylchlorarsine, killing of ciliates, 



751 

 2,3-Dimethyl-l,4-naphthoquinone, see 3- 



Methylmenadione 

 2,6 - Dimethylphenylarsenoxide, lethal 



dose, 719 

 iV,iV-Dimethyl-p-phenylenediamine, 



enzyme inhibitions, 588-590 



respiration (endogenous) 592 

 iV-2,4-Dinitroanilinomaleimide, determi- 

 nation of SH groups, 340-341 

 2,4-Dinitrophenol, 



diaphragm contracture, 202 



fibroblast mitosis, 529 



intestinal glucose transport, 190-191 



Na+-K+ levels in skin, 194 



potentiation of iodoacetate on muscle, 



203 

 Diospyros tricolor, 8-hydroxy-l,2-naph- 



thoquinone occurrence in, 584 

 Diosquinone (8-hydroxy-l,2-naphthoqui- 



none), 584 

 Dipetidase, iodoacetate, 41 

 o-Diphenol oxidase, see Catechol oxidase 

 Diphenylarsenoxide, fibroblast growth, 



770 

 Diphenylarsine, reaction with thiols, 610- 



611 

 Diphenylchlorarsine, 



citrate oxidation, 667 



enzyme inhibitions, 618, 620-622, 625, 



627, 631, 637, 643, 654, 656 



a-ketoglutarate oxidation, 667 



malate oxidation, 667 



pyruvate oxidation, 667 



succinate oxidation, 667 



Tetrahymena killing, 750 

 Diphenylthiocarbazone (dithizon), diabe- 

 togenic action, 414 

 Diplococcus pneumoniae, growth of, 



3,5-dimethoxytoluquinone, 544 

 Dithioarsenites, 



rates of hydrolysis, 610 



toxicity, 745, 747 

 Dithiocarboxymethyl derivative of car- 



barsone oxide (CC. No. 914), 



amebiasis, 790 



structure of, 790 

 Dithiocarboxyphenyl derivative of car- 



barsone oxide (CC. No. 1037), 



amebiasis, 790 



structure of, 790 

 Dithioquinones, 437 

 Dithizon, see Diphenylthiocarbazone 

 Division, see Cell division 

 DNAase, see Deoxyribonuclease 

 Dopa, uptake by brain, 



iodoacetate, 178 

 Dopa decarboxylase, 



iV-ethylmaleimide, 348 



hydroquinone, 451 



l,2-naphthoquinone-4-sulfonate, 451, 



467 

 Drosera tentacles, 



asparagine transport, arsenite, 704 



phosphate transport, 

 arsenite. 703 

 iodoacetate, 177 

 Durohydroquinone, 



autoxidation, 432 



ionization constant, 427 



methemoglobin formation, 516 

 Duroquinone, 



bacterial growth, 544, 546, 548-549, 



555, 558 



carcinostasis, 540 



chlorophyll fluorescence, 495-496 



oxidation-reduction potential, 430 



pyruvate decarboxylase, 458, 465-466 



reactions with thiols, 438 



solubility of, 428 



Eagle's KB carcinoma, growth of, 



iodoacetate, 263 

 Earle strain L cells, 

 growth of, 



arsenicals, 769 

 iodoacetate, 263 



