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Titration of Activity of Extracts 1/40, 2/40, 3/40

Title:: Titration of Activity of Extracts 1/40, 2/40, 3/40
Creator:: MacLeod, Colin M. (Colin Munro), 1909-1972
Contributor:: Avery, Oswald Theodore, 1877-1955
Date:: 5 November 1940
Description:: Caption by Maclyn McCarty reads: "Tests of trial extracts made in presence of fluoride illustrating the variability of results and the lack of reliability of fluoride as an inhibitor of inactivation. Extracts 1/40 and 2/40 were prepared with small batches of organism and showed some (but quite limited) activity. Extract 3/40, using organisms from 30 liters of culture, lacked transforming activity."
Location:: Box: 1. Folder: 4
Rights:: Courtesy of Maclyn McCarty.
Genre:: Laboratory notes
Format:: Still Image
Extent:: 1 pages
Language:: English
Legacy ID:: CCAACE
NLM ID:: 101584575X46
Profiles Collection:: The Oswald T. Avery Collection
Shareable Link:: https://profiles.nlm.nih.gov/101584575X46
Story Section:: DNA as the "Stuff of Genes": The Discovery of the Transforming Principle, 1940-1944