These experiments appear to indicate that whatever substance in embryonic tissue extracts excites mitosis, and therefore would appear to be the growth-stimulating substance, is capable of passing through a collodion membrane which is impermeable to proteins, at all events in such concentration as would give rise to any biuret reaction. The substance is therefore diffusible.
Article| May 01 1926
ON THE DIALYSABILITY OF THE GROWTH-ACTIVATING PRINCIPLE CONTAINED IN EXTRACTS OF EMBRYONIC TISSUES
G. Payling Wright
From the Research Laboratories of the Barnard Free Skin and Cancer Hospital, and the Department of Surgery of Washington University School of Medicine, St. Louis.
Received: February 19 1926
Online Issn: 1540-9538
Print Issn: 0022-1007
Copyright, 1926, by The Rockefeller Institute for Medical Research New York
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G. Payling Wright; ON THE DIALYSABILITY OF THE GROWTH-ACTIVATING PRINCIPLE CONTAINED IN EXTRACTS OF EMBRYONIC TISSUES . J Exp Med 1 May 1926; 43 (5): 591–594. doi: https://doi.org/10.1084/jem.43.5.591
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