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Volume 3, Issue 3
20 January 1921
Journal of General Physiology Cover Image for Volume 3, Issue 3
Article| January 20 1921

THE AMPHOTERIC PROPERTIES OF SOME AMINO-ACIDS AND PEPTIDES

Herbert Eckweiler,
Herbert Eckweiler
From the Harriman Research Laboratory, the Roosevelt Hospital, New York.
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Helen Miller Noyes,
Helen Miller Noyes
From the Harriman Research Laboratory, the Roosevelt Hospital, New York.
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K. George Falk
K. George Falk
From the Harriman Research Laboratory, the Roosevelt Hospital, New York.
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Author and Article Information
Herbert Eckweiler
From the Harriman Research Laboratory, the Roosevelt Hospital, New York.
Helen Miller Noyes
From the Harriman Research Laboratory, the Roosevelt Hospital, New York.
K. George Falk
From the Harriman Research Laboratory, the Roosevelt Hospital, New York.
Received: October 27 1920
Online ISSN: 1540-7748
Print ISSN: 0022-1295
Copyright, 1921, by The Rockefeller Institute for Medical Research
1921
J Gen Physiol (1921) 3 (3): 291–308.
https://doi.org/10.1085/jgp.3.3.291
Article history
Received:
October 27 1920

The titration curves of solutions of glycine, alanine, α-ammo-butyric acid, leucine, glycyl-glycine, alanyl-glycine, alanyl-alanine, acetone, acetamide, urea, acetic acid, and aceturic acid were determined and some of the relations as dependent upon the chemical structures discussed.

The isoelectric points of some of the amphoteric electrolytes were found experimentally. The definition of isoelectric point, its theoretical significance, and method of calculation were considered in some detail.

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Copyright, 1921, by The Rockefeller Institute for Medical Research
1921
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