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2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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Latest News
Darleane C. Hoffman, transuranium element pioneer, dies at age 98
Nuclear chemist Darleane D. Hoffman, who was renowned for her research on transuranium elements that advanced the understanding of nuclear fission, died on September 4 at her home in Menlo Park, Calif. She was 98.
Iowa origins: Hoffman was born on November 8, 1926, in Terril, Ia. She attended Iowa State University, where she earned a bachelor’s degree in chemistry in 1948 and a doctorate in physical (or nuclear) chemistry in 1951. She then began working as a chemist at Oak Ridge National Laboratory.
Noriyuki Momoshima, Hideki Kakiuchi
Fusion Science and Technology | Volume 41 | Number 3 | May 2002 | Pages 404-408
Biology | Proceedings of the Sixth International Conference on Tritium Science and Technology Tsukuba, Japan November 12-16, 2001 | doi.org/10.13182/FST02-A22620
Articles are hosted by Taylor and Francis Online.
The detritiation system using the hydrogen-oxidizing microorganism isolated from the sandy loam soil was developed, which is designed to remove HT in a gas phase. Silicone hollow-fiber-membrane tubes was used to separate gas phase and liquid phase in which microorganisms are cultured. HT in the gas phase diffuses through the tube membrane to the liquid phase, oxidized to HTO and retained in the liquid phase. Detritiation system showed rapid and complete removal of HT mixed in the room air of atmospheric H2 concentration.
