john howard northrop การใช้

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1. He was joined by William Crozier of Harvard and John Howard Northrop of Rockefeller, who served as fellow editors.
2. The conclusion that pure proteins can be enzymes was definitively demonstrated by John Howard Northrop and Wendell Meredith Stanley, who worked on the digestive enzymes pepsin ( 1930 ), trypsin and chymotrypsin.
3. "' John Howard Northrop "'( July 5, 1891  May 27, 1987 ) was an American biochemist who won, with James Batcheller Sumner and Wendell Meredith Stanley, the 1946 Nobel Prize in Chemistry.
4. By this time, John Howard Northrop of the Rockefeller Institute had obtained other crystalline enzymes by similar methods, starting with pepsin in 1929 . It had become clear that Sumner had devised a general crystallization method for enzymes, and also that all enzymes are proteins.

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