John Jacob Abel to successfully isolate the neutral base of epinephrine by adding ammonium to highly concentrated extract, a method Abel himself tried but failed due to the use of low concentration of extract. After Takamine's success, Abel himself remarked, with great candor, "The efforts of years on my part in this once mysterious field of suprarenal, medullary biochemistry, marred by blunders as they were, eventuated, then, in the isolation of the hormone not in the form of the free base but in that of its monobenzoyl derivative." Together with L.G. Rowntree and B.B. Turner, Abel devised what they called a "vividiffusion" apparatus,
Jake Abel "Grey's Anatomy" in the episode "Poker Face", playing Tyler Moser. In 2012, Abel was chosen to play Ian O'Shea in the 2013 film adaptation of "The Host", based on Stephenie Meyer's novel of the same name. Abel married Allie Wood, a writer, on November 9, 2013. On March 29, 2013, Abel and Wood released their first CD, Black Magic. Jake Abel Jacob Allen Abel (born November 18, 1987) is an American actor and singer who is known for playing Adam Milligan in the CW series "Supernatural" (2009–10), Luke Castellan in the film adaptation of "" (2010), and its sequel, ""