Acetylation of sulfanilamide by liver homogenates and extracts.

Discovery of co-enzyme A and its importance for intermediary metabolism. This discovery illuminated “the process by which cells make available the energy to drive their manufacturing processes” (Judson, p. 245).

In 1953 Lipmann shared the 1953 Nobel Prize in Physiology or Medicine with Sir Hans Krebs "for his discovery of coenzyme A and its importance for intermediary metabolism." In his Nobel Lecture (1953) Lipmann spoke “very tentatively” of the first clues that “may foreshadow” extension of his concept to proteins and nucleic acids. See also 751.3.