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Amy Hixon

Amy Hixon

Email: Amy.Hixon.2@nd.edu

Phone: 574-631-1872

Office: 301 Stinson-Remick Hall

Education

Ph.D., Environmental Engineering & Earth Science, Clemson University, 2013

M.S., Environmental Engineering & Earth Science, Clemson University, 2008

B.S., Chemistry, Radford University, 2006

Biography

Dr. Hixon received her Ph.D. and M.S. degrees in Environmental Engineering & Earth Science from Clemson University in 2013 and 2008, respectively and her B.S. degree in Chemistry from Radford University in 2006.  While a doctoral candidate at Clemson University, she also held a position at the U.S. Nuclear Regulatory Commission in the Office of Federal and State Materials and Environmental Management Programs, where she supported the work of the Performance Assessment and Environmental Review branches.  She is currently a member of the Health Physics Society, the American Chemical Society, and Sigma Xi. 

Publications

Hixon, A.E.; Arai, Y.; Powell, B.A. 2013. Examination of the effect of alpha radiolysis on plutonium(V) sorption to quartz using multiple plutonium isotopes. Journal of Colloid and Interface Science, 403: 105-112.

Hixon, A.E.; DiPrete, D.P.; DeVol, T.A. 2013. Development of a colorimetric test for quantification of uranium in drinking water. Journal of Radioanalytical and Nuclear Chemistry, DOI: 10.1007/s10967-012-2385-7.

Hixon, A.E.; Hu, Y.J.; Kaplan, D.I.; Kukkadapu, R.K.; Nitsche, H.; Qafoku, O.; Powell, B.A. 2010. Influence of iron redox transformations on plutonium sorption to sediments. Radiochimica Acta, 98(9-11): 685-692.

Alderman, B.A.; Ratliff, A.E., Wirgau, J.I. 2009. A mechanistic study of ferrioxamine B reduction by the biological reducing agent ascorbate in the presence of an iron(II) chelator. Inorganica Chimica Acta, 362(6): 1787-1792.

Huang, F.H.; Slebodnick, C.; Ratliff, A.E.; Gibson, H.W. 2005. Bis(m-phenylene)-32-crown 10/monopyridinium [2]pseudorotaxanes. Tetrahedron Letters, 46(36): 6019-6022.

Gibson, H.W.; Wang, H.; Bonrad, K.; Jones, J.W.; Slebodnick, C.; Zackharow, L.N.; Rheingold, A.L.; Habenicht, B.; Lobue, P.; Ratliff, A.E. 2005. Regioselective routes to disubstituted dibenzo crown ethers and their complexations. Organic & Biomolecular Chemistry, 3(11): 2114-2121.

Patents

DeVol, T.A.; Hixon, A.E.; DiPrete, D.P. 2012. Colorimetric detection of uranium in water. U.S. Patent 8,133,740, filed August 19, 2009, and issued March 13, 2012.

Summary of Activities/Interests

The overarching research interests of the Hixon research group revolve around how processes at the mineral-water interface control actinide behavior.  Actinides are present in the environment as a result of nuclear weapons production and nuclear fuel disposition and pose a long-term environmental concern due to their toxicity and long half-lives.  Understanding and predicting their mobility is important for risk management.  By using a combination of wet chemistry, instrumental, and modeling techniques, the Hixon research group is able to understand actinide aqueous speciation, the properties of mineral surfaces, and how the two interact.  Specific research interests include the development of comprehensive and mechanistically accurate surface-complexation models for actinide sorption to pure mineral phases and 1D advective-dispersive transport modeling of uranium in-situ recovery operations.

News

National Security and Nuclear Materials: Using Forensic Science in a Nuclear Age

September 22, 2014

When asked about the role of forensics in society, people might point to TV shows like the CSI series and its offshoots as examples of the type of information that forensics can uncover. At its core forensics takes the adage, “You can’t judge a book by its cover” literally and focuses on understanding materials, processes, and reactions. While the actors in the series usually find their answers within an hour, researchers like Antonio Simonetti, associate professor of civil and environmental engineering and earth sciences, and his team are working at a different pace to carefully build foundational research for the nation’s most immediate needs, as well as for its future.

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