Sue Clark

Elucidating the degree of deuteration in synthetic triuranyl diphosphate tetrahydrate (TDT) using Raman Confocal Microscopy

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sue Clark

Project type

Limited Scope

Abstract Protiated and deuterated samples of triuranyl diphosphate tetrahydrate (TDT: (UO2)3(PO4)2â€¢4H2O) have been prepared to gain further insights into the distinct water populations in TDT. …

TRLIF Studies of Eu(III) Sorption to Quartz and Uranophane

Lead Institution

Washington State University

Principal Investigator

Aurora Clark

Project type

Limited Scope

To complement and provide much needed experimental benchmarks to ongoing computational studies at the EMSL supercomputing facility, we propose to use four weeks of time at the facilities at EMSL to…

TRLIF Studies of Eu(III) Sorption to Quartz and Uranophane

Lead Institution

Washington State University

Principal Investigator

Aurora Clark

Project type

Exploratory Research

To complement and provide much needed experimental benchmarks to ongoing computational studies at the EMSL supercomputing facility, we propose to use four weeks of time at the facilities at EMSL to…

The development of thermodynamic models for actinide species in mixed solvent systems: application to binding in microbial membranes.

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sue Clark

Project type

Exploratory Research

Recent molecular dynamics simulations of the binding of metal ions in the outer lipopolysaccharide (LPS) layer of gram-negative bacteria have suggested unique metal binding mechanisms via cross…

Exploring the Molecular Driving Forces for Lanthanide and Actinide Complexation and Partitioning to Mineral Interfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sue Clark

Project type

Large-Scale EMSL Research

In this project, we will use a combination of optical spectroscopy techniques (time-resolved fluorescence and sum-frequency generation) and computational methods (molecular dynamics, density…

Exploring the Molecular Driving Forces for f-Element Complexation and Organization in Mixed Solvents at Interfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sue Clark

Project type

Special Science

This project will examine changes in the solvation of trivalent actinide (An3+) and lanthanide (Ln3+) cations in binary solvents during complexation with an emphasis on characterizing the speciation…

CAT - Nuclear Processing Science Initiative

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sue Clark

The Nuclear Process Science Initiative (NPSI) is an internal, Laboratory Directed Research and Development (LDRD) program investment in support of the nuclear science and technology research…

The Transformation of Tetrahedral to Octahedral Coordination in Anions of Interest in High-Level Tank Waste

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jian-zhi Hu

Project type

Exploratory Research

We propose to use nuclear magnetic resonance (NMR), Raman and Fourier transform-infrared (FT-IR) spectroscopy in combination with computational modeling to study the conversion of soluble tetrahedral…

Nuclear Processing
Science Initiative

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sue Clark

The Nuclear Process Science Initiative (NPSI) is an internal, Laboratory Directed Research and Development (LDRD) program investment in support of the nuclear science and technology research…

The Transformation of Tetrahedral to Octahedral Coordination in Anions of Interest in High-Level Tank Waste

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jian-zhi Hu

Project type

Large-Scale EMSL Research

We propose to use nuclear magnetic resonance (NMR), Raman and Fourier transform-infrared (FT-IR) spectroscopy in combination with computational modeling to study the conversion of soluble tetrahedral…

Unraveling chemical speciation and interfacial dynamics in complex, heterogeneous
environments to efficiently process high-level radioactive wastes

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jian-zhi Hu

We propose to use NMR in combination with computational modeling, to study the conversion of soluble tetrahedral aluminum (Al) species to octahedrally coordinated Al-bearing mineral precipitates…

Projects