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Volume 39(4);  April 1953
The cover of the journal
Bacteriology
Oxidation of Intermediates of the Tricarboxylic Acid Cycle by Extracts of Azotobacter Agile
Roy Repaske and P. W. Wilson
Proc Natl Acad Sci U S A. 1953 April; 39(4): 225–232.
PMCID: PMC1063763
Biochemistry
A Biochemically Specific Method for Enzyme Isolation
Leonard S. Lerman
Proc Natl Acad Sci U S A. 1953 April; 39(4): 232–236.
PMCID: PMC1063764
Chemistry
The Solubility of the Dimethyletherate of Aluminum Bromide in Methyl Bromide in the Presence of Saturated Hydrocarbons
Luther M. Foster and Charles A. Kraus
Proc Natl Acad Sci U S A. 1953 April; 39(4): 236–244.
PMCID: PMC1063765
The Potential Usefulness of Natural Tritium
W. F. Libby
Proc Natl Acad Sci U S A. 1953 April; 39(4): 245–247.
PMCID: PMC1063766
Two Pleated-Sheet Configurations of Polypeptide Chains Involving Both Cis and Trans Amide Groups
Linus Pauling and Robert B. Corey
Proc Natl Acad Sci U S A. 1953 April; 39(4): 247–252.
PMCID: PMC1063767
Two Rippled-Sheet Configurations of Polypeptide Chains, and a Note about the Pleated Sheets
Linus Pauling and Robert B. Corey
Proc Natl Acad Sci U S A. 1953 April; 39(4): 253–256.
PMCID: PMC1063768
Engineering
On the Inclination of Plastic Slip Bands in Flat Bars in Tension Tests
T. Y. Thomas
Proc Natl Acad Sci U S A. 1953 April; 39(4): 257–265.
PMCID: PMC1063769
The Effect of Compressibility on the Inclination of Plastic Slip Bands in Flat Bars
T. Y. Thomas
Proc Natl Acad Sci U S A. 1953 April; 39(4): 266–273.
PMCID: PMC1063770
Nonlinear Multipoles
L. A. Zadeh
Proc Natl Acad Sci U S A. 1953 April; 39(4): 274–280.
PMCID: PMC1063771
Genetics
A Study of Mutability in Streptomycin-Dependent Strains of Escherichia Coli
Edgar L. Labrum
Proc Natl Acad Sci U S A. 1953 April; 39(4): 280–288.
PMCID: PMC1063772
Induced Pollen Lethals from Seeds of Datura Stramonium Treated with Thermal Neutrons
J. L. Spencer, W. R. Singleton, and A. F. Blakeslee
Proc Natl Acad Sci U S A. 1953 April; 39(4): 288–292.
PMCID: PMC1063773
The Effect of Thermal Neutron Radiation on the Chromosomes of Datura
Henry T. Yost, Jr., W. R. Singleton, and A. F. Blakeslee
Proc Natl Acad Sci U S A. 1953 April; 39(4): 292–297.
PMCID: PMC1063774
Mathematics
On Some Variational Problems Occurring in the Theory of Dynamic Programming
Richard Bellman, Irving Glicksberg, and Oliver Gross
Proc Natl Acad Sci U S A. 1953 April; 39(4): 298–301.
PMCID: PMC1063775
Fourier Transforms of Time Series
S. Bochner
Proc Natl Acad Sci U S A. 1953 April; 39(4): 302–307.
PMCID: PMC1063776
On the Basis Theorem for Finite Abelian Groups: IV
Jesse Douglas
Proc Natl Acad Sci U S A. 1953 April; 39(4): 307–310.
PMCID: PMC1063777
Games with Equilibrium Points
Richard Otter and John Dunne
Proc Natl Acad Sci U S A. 1953 April; 39(4): 310–314.
PMCID: PMC1063778
On the Number of Husimi Trees: I
Frank Harary and George E. Uhlenbeck
Proc Natl Acad Sci U S A. 1953 April; 39(4): 315–322.
PMCID: PMC1063779
Studies in the Conformal Mapping of Riemann Surfaces: I
Maurice Heins
Proc Natl Acad Sci U S A. 1953 April; 39(4): 322–324.
PMCID: PMC1063780
The Parametrisation and Element of Volume of the Unitary Symplectic Group
F. D. Murnaghan
Proc Natl Acad Sci U S A. 1953 April; 39(4): 324–327.
PMCID: PMC1063781
Heat Conduction on Arbitrary Riemannian Manifolds
D. C. Spencer
Proc Natl Acad Sci U S A. 1953 April; 39(4): 327–330.
PMCID: PMC1063782
Absolute Valued Algebras
Fred B. Wright
Proc Natl Acad Sci U S A. 1953 April; 39(4): 330–332.
PMCID: PMC1063783
Zoology
An Analysis of the Synthesis and Distribution of the Contractile Protein, Myosin, in the Development of the Heart
James D. Ebert
Proc Natl Acad Sci U S A. 1953 April; 39(4): 333–344.
PMCID: PMC1063784
The Structure of the Macronucleus of Paramecium Aurelia
R. F. Kimball
Proc Natl Acad Sci U S A. 1953 April; 39(4): 345–347.
PMCID: PMC1063785
Journal Matter
Original table of contents page
Administrative content — journal masthead, notices, indexes, etc.
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