Oxide–and silicate–water interfaces and their roles in technology and the environment

JL Bañuelos, E Borguet, GE Brown Jr… - Chemical …, 2023 - ACS Publications
Interfacial reactions drive all elemental cycling on Earth and play pivotal roles in human
activities such as agriculture, water purification, energy production and storage …

Environmental speciation of actinides

K Maher, JR Bargar, GE Brown Jr - Inorganic chemistry, 2013 - ACS Publications
Although minor in abundance in Earth's crust (U, 2–4 ppm; Th, 10–15 ppm) and in seawater
(U, 0.003 ppm; Th, 0.0007 ppm), light actinides (Th, Pa, U, Np, Pu, Am, and Cm) are …

Persistence of uranium groundwater plumes: contrasting mechanisms at two DOE sites in the groundwater–river interaction zone

JM Zachara, PE Long, J Bargar, JA Davis, P Fox… - Journal of contaminant …, 2013 - Elsevier
We examine subsurface uranium (U) plumes at two US Department of Energy sites that are
located near large river systems and are influenced by groundwater–river hydrologic …

Applications of synchrotron μ-XRF to study the distribution of biologically important elements in different environmental matrices: A review

S Majumdar, JR Peralta-Videa, H Castillo-Michel… - Analytica chimica …, 2012 - Elsevier
Environmental matrices including soils, sediments, and living organisms are reservoirs of
several essential as well as non-essential elements. Accurate qualitative and quantitative …

Field‐scale model for the natural attenuation of uranium at the Hanford 300 Area using high‐performance computing

GE Hammond, PC Lichtner - Water Resources Research, 2010 - Wiley Online Library
High‐resolution, three‐dimensional, reactive flow and transport simulations are carried out
to describe the migration of hexavalent uranium [U (VI)] at the Hanford 300 Area bordering …

Root‐induced soil deformation influences Fe, S and P: rhizosphere chemistry investigated using synchrotron XRF and XANES

A Van Veelen, N Koebernick, CS Scotson… - New …, 2020 - Wiley Online Library
Rhizosphere soil has distinct physical and chemical properties from bulk soil. However,
besides root‐induced physical changes, chemical changes have not been extensively …

Effect of phosphate on U (VI) sorption to montmorillonite: ternary complexation and precipitation barriers

LD Troyer, F Maillot, Z Wang, Z Wang, VS Mehta… - … et Cosmochimica Acta, 2016 - Elsevier
Phosphate addition is a potential treatment method to lower the solubility of U (VI) in soil and
groundwater systems by causing U (VI) phosphate precipitation as well as enhancing …

Impact of phosphate on U (VI) immobilization in the presence of goethite

A Singh, KU Ulrich, DE Giammar - Geochimica et Cosmochimica Acta, 2010 - Elsevier
Past mining, processing, and waste disposal activities have left a legacy of uranium-
contaminated soil and groundwater. Phosphate addition to subsurface environments can …

Exploring actinide materials through synchrotron radiation techniques

WQ Shi, LY Yuan, CZ Wang, L Wang, L Mei… - Advanced …, 2014 - Wiley Online Library
Synchrotron radiation (SR) based techniques have been utilized with increasing frequency
in the past decade to explore the brilliant and challenging sciences of actinide‐based …

Machine learning in analytical spectroscopy for nuclear diagnostics

AP Rao, PR Jenkins, RE Pinson, JD Auxier II… - Applied Optics, 2023 - opg.optica.org
Analytical spectroscopy methods have shown many possible uses for nuclear material
diagnostics and measurements in recent studies. In particular, the application potential for …