An "age" has passed in the 40 years since we first observed recovery from radiation damage in irradiated bacteria. During the early 1930s, we had been discussing the possibility of rapid changes after radiation exposure with Farring ton Daniels, Benjamin Duggar, John Curtis, and others at the University of Wisconsin. After working with living cells, we had concluded that organisms receiving massive insults must have a wide variety of repair mechanisms available for restoration of at least some of the essential properties of the cell. The problem was how to fmd and identify these recovery phenomena. At that time I was working on a problem considered to be of great importance-the existence of the so-called mitogenetic rays. Several hundred articles and a score of books had already appeared dealing with mitogenetic rays, a type of radiation that was thought to exist in the shorter ultraviolet region. Our search for mitogenetic rays necessitated the design of experiments of greatest sensitivity for the detection of ultraviolet. It was vital that conditions be kept as constant as possible during exposure. All the work was done at icewater temperature (3-5°C) during and after exposure. We knew that light was an important factor for cell recovery, so all our experiments were done in dim light, with the plated-out cells being covered with dark cloth. Our statements on the effect of visible light stimulated Kelner to search for "photoreactivation' (as it was later called).
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Book Description Springer, 1975. Book Condition: Fair. 1st Edition. Former Library book. Shows definite wear, and perhaps considerable marking on inside. Bookseller Inventory # GRP65979464
Book Description Springer, 1975. Book Condition: Very Good. 1st Edition. Former Library book. Great condition for a used book! Minimal wear. Bookseller Inventory # GRP63533634
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Book Description Plenum Press, 1975. gebundene Ausgabe. Book Condition: Gut. 418 Seiten Der Erhaltungszustand des hier angebotenen Werks ist trotz seiner Bibliotheksnutzung sehr sauber. Es befindet sich lediglich ein Bibliotheksstempel im Buch; ordnungsgemäß entwidmet. Sprache: Englisch Gewicht in Gramm: 800. Bookseller Inventory # 1399276
Book Description Springer, 1975. Hardcover. Book Condition: Used: Good. Bookseller Inventory # SONG0306365936
Book Description Springer. Book Condition: Good. Ex-library, so some stamps and wear, but in good overall condition. Bookseller Inventory # Z1-K-011-01213
Book Description Plenum Publishing Corporation, 1976. Book Condition: Fair. Volume A. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. In fair condition, suitable as a study copy. Dust Jacket in good condition. Bookseller Inventory # 4491932
Book Description Springer, 1975. "Volume 5A. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. In fair condition, suitable as a study copy. No dust jacket. ". Bookseller Inventory # 6844391
Book Description New York, Plenum Press, 1975. hard bound. Book Condition: Gut. figs., tabs., 418 pp., Library Stamps ISBN 0306365936 Sprache: Englisch. Bookseller Inventory # 34030