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

Contributor(s): MacLeod, Colin M. (Colin Munro), 1909-1972 Avery, Oswald Theodore, 1877-1955 Publication: Produced: 5 November 1940 Language(s): English Format: Still image Genre(s): Archival Materials Laboratory notes Abstract: 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." Copyright: This item may be under copyright protection; contact the copyright owner for permission before re-use. Extent: 1 pages NLM Unique ID: 101584575X46 (See in Profiles in Science) Profiles in Science ID: CCAACE Permanent Link: http://resource.nlm.nih.gov/101584575X46 Archival Collection: The Oswald T. Avery Collection (Profiles in Science)