| 1939:    Biological Oxidations, Vol. VIIOrganizer: Eric Ponder  SOME ELEMENTARY ASPECTS OF THE POTENTIOMETRIC STUDY OF OXIDA- TION-REDUCTION EQUILIBRIA    1 W. Mansfield Clark POTENTIOMETRIC AND SPECTROPHOTOMETRIC STUDIES OF METALLOPOR- PHYRINS IN COORDINATION WITH NITROGENOUS BASES    18 W. Mansfield Clark FREE RADICALS AS INTERMEDIATE STEPS OF OXIDATION-REDUCTION    33 L. Michaelis THE "EQUI-VALENCE CHANGE PRINCIPLE" IN IONIC OXIDATION-REDUC- TIONREACTIONS    50 Philip A. Shaffer POLAROGRAPHIC INVESTIGATIONS OF REVERSIBLE AND IRREVERSIBLE OXIDA- TIONS AND REDUCTIONS AT THE DROPPING MERCURY ELECTRODE    9 Otto H. Müller OXIDATION-REDUCTIONS IN HETEROGENEOUS SYSTEMS    74 Irvin M. Korr THE RELATION OF OXIDATION-REDUCTION POTENTIALS TO CHEMICAL STRUCTURE    94 Paul W. Preisler THE ROLE OF FLAVOPROTEINS IN BIOLOGICAL OXIDATIONS    100 Eric G. Ball CYTOCHROME OXIDASE AND CYTOCHROME    111 Elmer Stotz CYTOCHROME OXIDASE    121 T. R. Hogness REACTIONS IN WHICH CYTOCHROME AND YELLOW FERMENTS TAKE PART    130 Frank Urban REACTIONS OF ASCORBIC ACID IN VIVO    137 C. G. King TYROSINASE    148 J. M. Nelson THE ROLE OF IRON-PORPHYRIN COMPOUNDS IN BIOLOGICAL OXIDATIONS    154 E. S. Guzman Barron REVERSIBLE PROCESSES IN THE CONTROL OF ACTIVITY OF CERTAIN ENZYMES    165 Leslie Hellerman THE EFFECTS OF VARIOUS METALS AND METAL COMPLEXES ON THE OXIDATION OF SULFHYDRYL GROUPS    174 Frederick Bernheim and Mary L. C. Bernheim CHEMICAL REACTION OF THIAMIN AND COCARBOXYLASE IN VIVO    184 M. A. Lipton and C. A. Elvehjem THE RELATION BETWEEN THE "OXIDATION-REDUCTION POTENTIAL" AND THE OXYGEN CONSUMPTION OF YEAST CELL SUSPENSIONS    195 J. Percy Baumberger THE INHIBITION OF GLYCOLYSIS    216 Chalmers L. Gemmill  | FUMARATE IN BIOLOGICAL OXIDATIONS    227  Fredrick J. Stare and Carl A. Baumann  AN ANALYSIS OF THE PYRUVIC ACID OXIDATION SYSTEM    248  Fritz Lipmann  ENZYMATIC BREAKDOWN AND SYNTHESIS OF CARBOHYDRATE    260  Carl F. Cori  THE ROLE OF OXYGEN TENSION IN BIOLOGICAL OXIDATIONS    269  Walter Kempner  THE METABOLISM OF DAMAGED CELLS AND TISSUES    290  Walter Fleischmann  FERRIHEMOGLOBIN    301 Kurt Salomon  RESPIRATORY CATALYSTS IN HEART MUSCLE    312  Kurt G. Stern  THE RELATION OF HORMONES TO CARBOHYDRATE METABOLISM IN VITRO    323  Ephraim Shorr  RESPIRATORY ENZYME SYSTEMS IN SYMBIOTIC NITROGEN FIXATION    349  R. H. Burris and P. W. Wilson  THE REVERSIBLE HEAT ACTIVATION OF RESPIRATION IN NEUROSPORA    362  David R. Goddard  A TENTATIVE PICTURE OF THE RELATION BETWEEN PHOTOSYNTHESIS AND OXIDATION REACTIONS IN GREEN PLANTS    377 Hans Gaffron  CARBOHYDRATE AND LIPID ASSIMILATION IN BAKER'S YEAST    385  Theodore J. B. Stier  THE MECHANISMS INVOLVED IN THE TRANSFER OF OXYGEN IN FROG MUSCLE    394  J. Newell Stannard  SOME FUNCTIONAL CORRELATIVES OF CELLULAR METABOLISM    406  Herbert Shapiro  A COLLOQUIAL CONSIDERATION OF THE PASTEUR AND NEO-PASTEUR EFFECTS    420  |