I am an early career professional focusing on Nuclear Security, Safeguards and Nonproliferation. I have over 10 years experience in DOE National Laboratories and over half of that time in support of nuclear security groups and projects.
I am a Nuclear Chemist in the Nuclear and Radiological Proliferation Analysis and Modeling group. My specialty in proliferation analysis is the chemistry involved in the nuclear fuel cycle.
Research Areas of Interest
My research areas of interest include: Actinide Signatures, Radiological Signatures (both decay and chemical), Actinide Chemistry, X-ray Science Applications (Small Angle X-ray Scattering, Interfacial Scattering, X-ray Absorption Spectroscopy), Economics of Nuclear Science Application (energy and non-energy applications), Detector Development, Nuclear Technology Policy.
B.S. Chemistry- University of Idaho
Ph.D. Chemistry- University of Missouri-Columbia
Honors and Awards
Argonne National Lab Graduate Fellowship 2015-17
NRC Graduate Fellowship in Radiochemistry 2016-17
Troutner Radiochemistry Award- March 2015
Radiological Process Laboratory Employee of the Month- February 2012
University of Idaho Leadership Award- April 2009
American Chemical Society
American Nuclear Society
Institute of Nuclear Materials Management
Society of Applied Spectroscopy
Select Publications and Patents
Szecsody J, McKinley J, Breshears A, Crocker F. “Abiotic/Biotic Degradation and Mineralization of N-nitrosodimethylamine in aquifer sediments.” Remediation, 2008, 4, 109-123.
Matson, E; Breshears, A; Kiernicki, J; Newell, B; Fanwick, P; Shores, M; Walensky, J; Bart, S; “Trivalent Uranium Phenylchalcogenide Complexes: Exploring the Bonding and Reactivity with CS2 in the Tp*2UEPh Series (E = O, S, Se, Te).” Inorg. Chem. 2014, 53, 12977.
(Featured on the Inorganic Chemistry webpage)
Breshears, AT; Barnes, CL; Wagle, DV; Baker, GA; Takase, MK; Walensky, JR; “Structure and Spectroscopy of Uranyl and Thorium Complexes with Substituted Phosphine Oxide Ligands”. Radiochimica Acta. 2015, 103, 49
Breshears, AT; Behrle, AC; Barnes, CL; Wagle, DV; Baker, GA; Walensky, JR; “Synthesis, Spectroscopy, Electrochemistry, and Coordination Chemistry of Substituted Phosphine Sulfide and Selenides”. Polyhedron, 2015, 100, 333.
Gullekson, B; Breshears, AT; Brown, MA; Essner, JB; Baker, GA; Walensky, JR; Paulenova, A; Gelis, AV; “Extraction of Water and Speciation of Trivalent Lathanides and Americium in Organophosphorous Extractants.” Inorganic Chemistry, 2016, 12675; DOI: 10.1021/acs.inorgchem.6b01756
Breshears, AT; Brown, MA; Barnes, CL; Gelis, AV; “Solvent extraction facilitated synthesis of hexavalent molybenym formo- and aceto- hydroxamates and larger biological chelate, deferoxamine”. Inorganica Chimica Acta, 2018, 473, 102; DOI: 10.1016/j.ica.2017.12.017
Tkac, P; Momen, A.; Breshears, AT; Brown, M.A.; Vandegrift, GF; “Molybdenum(VI) Coordination in Tributyl Phosphate-Chloride Based System.” Industrial and Engineering Chemistry Research, 2018, 57, 5661 DOI: 10.1021/acs.iecr.8b00590
(Article featured on the cover of the I&ECR issue)
Outside Volunteer Activities
American Nuclear Society- Chicago Local Chapter Treasurer
Next Generation Nuclear Society- Chair
Curriculum Consultant for Aurora University