FULLY DEUTERATED EUGLENA GRACILIS.

Science

PubMedID: 14197561

MANDEVILLE SE, Crespi HL, Katz JJ. FULLY DEUTERATED EUGLENA GRACILIS. Science. 1964;146(3645):769-70.
Euglena gracilis has been grown in 99.4 percent D(2)O on fully deuterated substrates. It is the first organism with distinct animal characteristics in which at least 99 percent of the hydrogen normally present has been replaced by deuterium.