Projects

Effect of Re on W Grain Boundary Cohesion

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Richard Kurtz

Project type

Exploratory Research

Due to its excellent mechanical and thermal properties, W receives a considerable attention as materials for divertor applications in advanced fusion reactors. However, its usage is critically…

Investigating NOy and Secondary Organic Aerosol Formation Chemistry in the Colorado Front Range: WRF/Chem Model Studies In Support of the Beachon 2011 Field Campaign

Lead Institution

Reed College

Principal Investigator

Juliane Fry

Project type

Exploratory Research

The chemistry of an urban plume interacting downwind with a high-monoterpene emitting forest, including particular focus on atmospheric particle formation, will be explored by a large, collaborative…

Investigating the Effects of Geologic CO2 Sequestration on Microbial Physiology, Metabolism and Functionality.

Lead Institution

Colorado State University

Principal Investigator

Michael Wilkins

Project type

Exploratory Research

The injection of greenhouse gases into deep geologic formations offers a promising strategy for reducing emissions into the atmosphere that contribute to global warming. The injection of CO2 as a…

Toward the chemical conversion of CO2: understanding the interaction of CO2 with model metal/metal-oxide systems

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Janos Szanyi

Project type

Exploratory Research

Environmental concerns about the increasing level of atmospheric CO2, a major greenhouse gas component, have prompted research efforts in two major directions: sequestration and chemical conversion…

High Resolution Infrared Spectroscopy of Radialene

Lead Institution

Oregon State University

Principal Investigator

Joseph Nibler

Project type

Exploratory Research

The structures and physical properties of small organic strained-ring systems are of interest to both experimental and theoretical chemists. The objective of the proposed research is to apply high…

Multiscale Processes of Heteroepitaxial Nucleation and Growth at Mineral-Water Interfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sebastien Kerisit

Project type

Exploratory Research

The goal of the proposed research is to elucidate the mechanisms and quantify the rates of heteroepitaxial nucleation and growth at mineral-water interfaces. Despite several examples of heteroepitaxy…

Light Source Photocathode Performance and Development

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Wayne Hess

Project type

Exploratory Research

Accelerator photocathode technology must be advanced to meet the needs of fourth generation light sources. The ultimate output characteristics and cost of next-generation ultraviolet or x-ray…

Experimental and Computational Characterization of the Structure and Electronic Properties of Novel Porphyrins for Solar Cells

Lead Institution

Portland State University

Principal Investigator

Carl Wamser

Project type

Exploratory Research

The proposed project will be primarily computational studies carried out in collaboration with Dr. Niri Govind, Dr. Kenneth Lopata, and Dr. Karol Kowalski (PNNL/EMSL Molecular Science Computing). …

Modeling Conduction in Organic-Fullerene and Titania-Fullerene Solar Cells

Lead Institution

University of California, Los Angeles

Principal Investigator

Daniel Neuhauser

Project type

Exploratory Research

Organic solar cells have recently attracted much research attention, though little is known about the specific electron transfer mechanism in these cells, and due to the size of the systems,…

Seattle Structural Genomics Center for Infectious Diseases --Year V

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Garry Buchko

Project type

Exploratory Research

The Seattle Structural Genomics Center for Infectious Disease (SSGCID) is funded by the National Institute of Allergy and Infectious Diseases (NIAID) to apply genome-scale approaches in solving…

Chemical Speciation of Americium, Curium, and Selected Tetravalent Actinides in High Level Waste (Felmy EMSP-tank, PNNL Scope #26753)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Herman Cho

Project type

Exploratory Research

Develop fundamental data on chemical speciation and solubility for Americium, Curium, and Selected Tetravalent Actinides in High Level Waste Work authorization text added 08/11/05: The objective…

Influence of Reactive Transport on the Reduction of U(VI) in the Presence of Fe(III) and Nitrate (Liu NABIR-Fe/U, PNNL Scope #42331)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Chongxuan Liu

Project type

Exploratory Research

To examine in sediment-containing experimental systems (packed columns) the reduction of U(VI) by metal-reducing bacteria in a simulated groundwater medium. Work authorization text added 08/11/05:…

Interactions Between Fe(III) - Reducing Bacteria and Fe Oxides: Microbial and Geochemical Dissolution Controls (Zachara BES-oxide), PNNL Scope #28036)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

John Zachara

Project type

Exploratory Research

Investigate electron transfer mechanisms involved in bacterial Fe(III) oxide reduction. Work authorization text added 08/11/05: Fe(III) oxides poise the oxidation/reduction potential of…

Coupling of Fe and Tc Speciation in Subsurface Sediments: Implications to Long-Term Tc Immobilization (Zachara NABIR-Fe/Tc, PNNL Scope # 40761)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

John Zachara

Project type

Exploratory Research

Creating an in-situ bio-barrier containing sediment-bound, biogenic FE(II) to reduce and collect mobile Tc(VII)O4 - The research objective is to provide scientific insights on the rates of reductive…

Mineralogic Residence and Desorption Rates of Sorbed 90Sr in Contaminated Subsurface Sediments: Implications to Future Behavior and In-Ground Stability
(Zachara EMSP-Sr, PNNL Scope #40896)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

John Zachara

Project type

Exploratory Research

Define the mineralogic residence and intraparticle distribution of 137Cs in sediments contaminated with two different high-level waste (HLW) types, and to define the relationships of residence and…

Impacts of Mineralogy and Competing Microbial Respiration Pathways on the Fate of Uranium in Contaminated Groundwater (Zachara, NABIR-U,
PNNL Scope #41648)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

John Zachara

Project type

Exploratory Research

Characterize the dominant Fe and S minerals that are likely to limit U speciation in-situ; directly quantify reaction rates and pathways of microbial respiration (terminal electron-accepting)…

Characterization of U(VI) Sorption-Desorption Processes and Model Upscaling (Zachara, EMSP-U, PNNL Scope #43914)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

John Zachara

Project type

Exploratory Research

Develop experimental data, process-level models, and up-scaling approaches to improve capabilities to model U(VI) transport in heterogeneous vadose zone and groundwater plumes.

The Influence of Calcium Carbonate Grain Coatings on Contaminant Reactivity in Vadose Zone (Zachara, EMSP-Carbonate, PNNL Scope # 30952)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

John Zachara

Project type

Exploratory Research

To test three hypothesis to determine the effect of surface carbonate formation on the interaction of contaminants with minerals in the vadose zone at Hanford.

S & T Road Mapping for Needs From All Sources (Zachara EM-ST, PNNL Scope #30998)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

John Zachara

Project type

Exploratory Research

Hanford Remediation and Closure Science Project The Hanford Site Groundwater Protection Program, formerly the Groundwater/ Vadose Zone Integration Project, was established in 1997 to develop the…

Computational and FTIR Spectroscopic Studies of Vibrational and Electronic Properties of Transition Metal Mixed-Valence Complexes in Solution

Lead Institution

University of Washington

Principal Investigator

Munira Khalil

Project type

Exploratory Research

Developing a detailed molecular picture of ultrafast photoinduced electron transfer processes in solution will aid the development of new light harvesting technologies. The goal of this project is to…