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The Journal of General Physiology, Vol 20, 859-877, Copyright © 1937 by The Rockefeller University Press

ARTICLE

A PHASE RULE STUDY OF THE PROTEINS OF BLOOD SERUM: THE EFFECT OF CHANGES IN CERTAIN VARIABLES

Eloise Jameson 1

1 From the Department of Medicine, Stanford University School of Medicine, San Francisco

Changes were studied in the standard solubility curve of fresh serum proteins by alterations in pH, temperature, concentration of protein, and nature of the salt used for precipitation.

The principal factor affecting the precipitation of protein fractions was a change in temperature. In order to investigate the proteins in their original states low temperatures are necessary.

Protein fraction A is altered by a change in pH and with the use of (NH4)2SO4 as a precipitant, fraction B by a change in pH and temperature, and use of (NH4)2SO4, C by a change in temperature and concentration of the protein, and D by a change in temperature and pH.

The solubility of D is independent of the amount of protein in solution in high concentrations of salt.

 Accepted on January 29, 1937


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 Cold Spring Harb Symp Quant BiolHome page
E. Jameson
A PHASE RULE STUDY OF THE PROTEINS OF BLOOD SERUM: VARIATIONS IN THE PRINCIPAL PROTEIN COMPLEX
Cold Spring Harb Symp Quant Biol, January 1, 1938; 6(0): 331 - 340.
[Abstract] [PDF]


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