D
Douglas B. Hunter
Researcher at Westinghouse Electric
Publications - 3
Citations - 623
Douglas B. Hunter is an academic researcher from Westinghouse Electric. The author has contributed to research in topics: Shewanella putrefaciens & Illite. The author has an hindex of 3, co-authored 3 publications receiving 583 citations.
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Uranium Co-precipitation with Iron Oxide Minerals
TL;DR: In this paper, the authors provide compelling evidence of U incorporation within the hematite structure and show that U incorporation in the structure provides evidence of the presence of U in hexavalent oxidizing environments.
Journal ArticleDOI
Influence of Mn oxides on the reduction of uranium(VI) by the metal-reducing bacterium Shewanella putrefaciens
James K. Fredrickson,John M. Zachara,David W. Kennedy,Chongxuan Liu,Martine C. Duff,Douglas B. Hunter,Alice Dohnalkova +6 more
TL;DR: In this article, the potential for Mn oxides to modify the biogeochemical behavior of U during reduction by the subsurface bacterium Shewanella putrefaciens strain CN32 was investigated using synthetic Mn(III/IV) oxides (pyrolusite [β-MnO2], bixbyite [Mn2O3] and K+-birnessite [K4Mn14O27 · 8H2O]).
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Crystal chemistry of clay-Mn oxide associations in soils, fractures, and matrix of the Bandelier Tuff, Pajarito Mesa, New Mexico
TL;DR: The upper 25 m of Bandelier Tuff at Pajarito Mesa, New Mexico, includes soils, shallow fractures, deeper fractures, and tuff matrices in which clays provide a record of transport and alteration as discussed by the authors.