Environmental interfaces, heavy metals, microbes, and plants: Applications of XAFS spectroscopy and related synchrotron radiation methods to environmental science

被引:0
|
作者
Brown, Gordon E., Jr. [1 ,2 ]
Catalano, Jeffrey G. [2 ]
Templeton, Alexis S. [2 ,3 ]
Trainor, Thomas P. [2 ,4 ]
Farges, Francois [2 ,5 ]
Bostick, Benjamin C. [2 ,6 ]
Kendelewicz, Tom [2 ]
Doyle, Colin S. [2 ]
Spormann, Alfred M. [7 ]
Revill, Kristin [2 ]
Morin, Guillaume [8 ,9 ,10 ]
Juillot, Farid [8 ,9 ,10 ]
Calas, Georges [8 ,9 ,10 ]
机构
[1] Stanford Synchrotron Radiat Lab, SLAC, Menlo Pk, CA 94025 USA
[2] Stanford Univ, Dept Geol & Environm Sci, Stanford, CA 94305 USA
[3] Univ Calif San Diego, Scripps Inst Oceanog, Div Marine Biol Res, San Diego, CA 92093 USA
[4] Univ Chicago, Consortium Adv Radiat Sources, Chicago, IL 60637 USA
[5] Univ Marne La Vallee, CNRS, Lab Geomat, FRE G2I 2455, F-774542 Marne La Vallee 2, France
[6] Dartmouth Coll, Dept Earth Sci, Hanover, NH 03755 USA
[7] Stanford Univ, Dept Civil & Environm Engn, Stanford, CA 94305 USA
[8] Univ Paris 06, IPGP, Lab Mineral Cristallog, F-75252 Paris 05, France
[9] Univ Paris 07, IPGP, Lab Mineral Cristallog, F-75252 Paris 05, France
[10] CNRS, UMR 7590, F-75252 Paris 05, France
关键词
D O I
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中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
During the past decade, applications of synchrotron radiation (SR) methods to environmental science have grown significantly, resulting in a new interdisciplinary field known as molecular environmental science, which focuses on the molecular-level speciation of environmental pollutants and the fundamental chemical and biological processes determining their behavior in complex systems. Here we review some recent applications of XAFS spectroscopy and related SR methods, including micro-XANES and X-ray Standing Wave (XSW) spectroscopy, micro-XRD, X-ray fluorescence micro-tomography, and photoemission spectroscopy to heavy metals and actinides in model systems and more complex environmental samples. Examples include XAFS studies of heavy metals and actinides at environmental interfaces, combined XAFS and XSW studies of heavy metal interactions with microbial biofilm-coated metal oxide surfaces, and combined XANES and photoemission studies of microbial interactions with metal sulfide surfaces.
引用
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页码:80 / 87
页数:8
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