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6 PNNL scientists elected AAAS fellows
Date:12/17/2009

ights into the field of nuclear signature analysis are highly sought-after by government and scientific leaders alike. Nuclear signatures, or chemical and radiological indicators of nuclear processing, are of particular interest to national security officials monitoring nuclear activities and in the emerging area of nuclear forensics. His research has supported the cleanup of radioactive contamination in the environment. He often serves as an advisor in radioanalytical chemistry and nuclear forensics for government leaders.

Wacker is a PNNL laboratory fellow and a nuclear materials technical advisor for DOE. He began his career in planetary science, for which he characterized and determined the origin of meteorites.

Sotiris Xantheas

Xantheas' highly accurate electron structure calculations on water-based molecular clusters are used widely in the physical chemistry community. He combines data gathered in the lab and with computer theories to refine scientists' understanding of aqueous systems and water. His work helps scientists better understand the structure of latticed hydrates in the ocean's floor that store the greenhouse gas methane, among many other applications.

Xantheas is a PNNL laboratory fellow. He's also a fellow of the American Physical Society and was given the Wilhelm Bessel Research Award from the Alexander von Humboldt Foundation.


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Contact: Franny White
frances.white@pnl.gov
509-375-6904
DOE/Pacific Northwest National Laboratory
Source:Eurekalert

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