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See all on WikipediaSam Ruben - Wikipedia
Samuel Ruben (born Charles Rubenstein; November 5, 1913 – September 28, 1943) was an American chemist who with Martin Kamen co-discovered the synthesis of the isotope carbon-14 in 1940. See more
Ruben was the son of Herschel and Frieda Penn Rubenstein – the name was officially shortened to Ruben in 1930. Young Sam developed a friendship with neighbor Jack Dempsey and … See more
• Ruben, S.; Kamen, M. D. (1941). "Long-Lived Radioactive Carbon: C ". Physical Review. 59 (4): 349–354. Bibcode:1941PhRv...59..349R. doi:
• Kamen, … See moreRuben and colleague Martin Kamen, a University of Chicago Ph.D. and researcher in chemistry and nuclear physics working under Ernest O. Lawrence at the Berkeley Radiation Laboratory, set out to elucidate the path of carbon in See more
Wikipedia text under CC-BY-SA license Because of the untimely accidental death of Ruben in 1943, there are very few published accounts on the life and work of this extraordinary scientist. This paper summarizes highlights of …
1940: Immigrant Sons Make Biochemistry Breakthrough
On February 27, 1940, the physicists Martin Kamen and Sam Ruben made the first identification of the isotope carbon-14 in a laboratory at the University of California, Berkeley.
The discovery of carbon-14 and CAMS | Science and Technology
Kamen’s and Ruben’s discovery and use of carbon-14 as a tracer atom was revolutionary. It transformed everything from biochemistry to oceanography, and it paved the way for LLNL’s …
Samuel Ruben's Contributions to Research on Photosynthesis …
Highlights of Ruben's outstanding accomplishments are summarized. The earliest experiments on the pathways of carbon in photosynthetic and heterotrophic metabolism using radioactive …
Photosynthesis: basics, history and modelling
Dec 13, 2019 · We highlight here the important role of modelling in deciphering and untangling complex photosynthesis processes taking place simultaneously, as well as in predicting …
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graduate student colleague named Sam Ruben at the Berkeley Radiation Laboratory, looked for and found a long-lived radio-isotope of carbon. The discovery of this material, C-14, …
Sam Ruben and Martin Kamen’s development of application of radioactive carbon for the study of carbon dioxide fixation provided impetus and techniques for following the path of carbon in …
Sam Ruben - Wikiwand
Samuel Ruben was an American chemist who with Martin Kamen co-discovered the synthesis of the isotope carbon-14 in 1940.
Samuel Ruben's Contributions to Research on Photosynthesis …
The earliest experiments on the pathways of carbon in photosynthetic and heterotrophic metabolism using radioactive carbon, 11 C, as a tracer were performed by Samuel (Sam) …
Martin Kamen - Engineering and Technology History Wiki - ETHW
Feb 4, 2016 · The most well-known of Martin Kamen's many achievements is his discovery in 1940, in collaboration with the late Sam Ruben, of the long-lived radioactive carbon isotope …
Samuel Ruben's Contributions to Research on Photosynthesis And
Because of the untimely accidental death of Ruben in 1943, there are very few published accounts on the life and work of this extraordinary scientist. This paper summarizes highlights of …
The early history of 32P as a radioactive tracer in biochemical ...
Nov 3, 2006 · In 1940, Ruben and Kamen discovered long-lived 14 C, which later proved to be a very powerful tool for analysis of complex biochemical processes, such as the path of carbon …
The Path of Carbon in Photosynthesis (1937–1954)
Jan 1, 2015 · The path-breaking work done by Martin Kamen and Samuel Ruben is described, that is, their experimental design to use radioactive carbon in the study of photosynthesis and …
Martin David Kamen - Academic Senate
Indeed, it was Kamen and Ruben and their colleagues who first undertook experiments to trace the path of carbon during photosynthesis. Their early experiments were with C-11, a …
Co-discoverer of carbon-14 dies | The Scientist Magazine®
Sep 15, 2002 · Kamen discovered carbon-14 in 1940 in collaboration with the late chemist Sam Ruben, when they bombarded graphite with protons in the cyclotron at the Lawrence Radiation …
Following the path of carbon in photosynthesis: a personal story
Sep 14, 2001 · Sam Ruben and Martin Kamen’s development of application of radioactive carbon for the study of carbon dioxide fixation provided impetus and techniques for following the path …
How carbon-14 revolutionized science | College of Chemistry
Aug 12, 2019 · A chemist who had worked on the Manhattan Project to build the first atom bomb, Libby realised that when an organism dies, it will stop absorbing carbon, including carbon-14, …
Samuel Ruben’s contributions to research on photosynthesis and ...
Apr 1, 2003 · The earliest experiments on the pathways of carbon in photosynthetic and heterotrophic metabolism using radioactive carbon, 11 C, as a tracer were performed by …
Martin David Kamen (1913–2002): discoverer of carbon 14
Jul 6, 2021 · He later switched to the study of metabolism and biochemistry and made important contributions to the understanding of nitrogen fixation and photosynthesis. Finally, he studied …
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