Projects

Detailed Characterization of Arsenic Adsorptive Media

Lead Institution

Battelle Columbus

Principal Investigator

Daniel Kremser

Project type

Exploratory Research

Adsorptive media are being evaluated and demonstrated by the U.S.EPA for their effectiveness for arsenic removal from small drinking water supplies. Data collected from an EPA-funded, multi-column…

Accelerated Fuel-Cladding Interaction Study using Surrogate Materials

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Henager

Project type

Exploratory Research

A Lab-level LDRD study on acceleration of fuel-cladding science is developing a miniature specimen test capability using HT-9 cladding material and ZrO2 with and without Ga doping as nuclear fuel…

NMR and EPR Structural Characterization of c-Type Cytochromes and their Complexes from Contaminant Metal Remediating Iron-Respiring Bacteria

Lead Institution

Idaho State University

Principal Investigator

Timothy Magnuson

Project type

Exploratory Research

Abstract: While significant progress has been made regarding the genetics and genomics of dissimilatory metal-transforming bacteria and the redox proteins they possess, very little has yet been done…

Development of Tunable THz Sources using Focused Ion Beam (FIB)-Based Lithography

Lead Institution

Alfred University

Principal Investigator

S Sundaram

Project type

Exploratory Research

The terahertz (THz) regime (0.1-10 THz) is rich with emerging possibilities in sensing, imaging and communications, with unique applications to screening for weapons, explosives and biohazards,…

Grape Berry Shrivel: A Study of Anatomical and Ultrastructural Changes

Lead Institution

Washington State University Tri-Cities

Principal Investigator

Bhaskar Bondada

Project type

Exploratory Research

There is a great concern for new ripening disorder known as Berry Shrivel to grape growers and wine makers worldwide. The origin of this problem appear to be physiological disorder entailing…

Photodesorption of Organic Radicals from TiO2(110)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Michael Henderson

Project type

Exploratory Research

We propose examining the role that photodesorption processes play in heterogeneous photocatalytic decomposition of organics over titanium dioxide using the rutile TiO2(110) and anatase TiO2(001)…

Exploration of the cell parameter and thermal expansion behavior in Au and ZrW2O8 nanoparticles

Lead Institution

South Dakota School of Mines and Technology

Principal Investigator

Jon Kellar

Project type

Exploratory Research

. The phenomenon of negative coefficient of thermal expansion (NTE), where materials shrink upon heating instead of cooling, has recently been attracting considerable attention. Dimensionally…

Enabling PVFS2 Support over Quadrics for MPP2 cluster

Lead Institution

Auburn University

Principal Investigator

Weikuan Yu

Project type

Exploratory Research

This is to propose to develop and evaluate a prototype implementation of PVFS2 over Qaudrics in order to accomplish a beta-quality code base that is usable at PNNL. Evan Felix and David Brown…

Enabling PVFS2 Support over Quadrics for MPP2 cluster

Lead Institution

Auburn University

Principal Investigator

Weikuan Yu

Project type

Exploratory Research

NOTE: This proposal is an extension of a proposal you reviewed last year. He wants to be able to use MPP2-Quadrics Elan4 as long as MPP2 is still up and running. This is to propose to further…

3D Imaging of Organic Nanoparticle Fillers in Organic Matrices

Lead Institution

Oregon State University

Principal Investigator

John Simonsen

Project type

Exploratory Research

The addition of fillers to polymer matrices is well known to affect their performance, from improving mechanical properties to barrier properties to membrane performance, depending upon the filler…

Growth of Ti-doped Epitaxial alpha-Fe2O3(0001) Thin Films

Lead Institution

Canadian Light Source Inc.

Principal Investigator

Chang-Yong Kim

Project type

Exploratory Research

We propose to grow epitaxial Ti:&#61472;alpha-Fe2O3 thin films (200 Å thick) with low Ti concentrations (2% and 4%) and to apply the X-ray standing wave (XSW) imaging method to obtain the atomic…

Growth-phase regulation of the proteome of Rhodobacter capsulatus.

Lead Institution

Memorial University of Newfoundland

Principal Investigator

Andrew Lang

Project type

Exploratory Research

The alpha-proteobacterium Rhodobacter capsulatus uses a histidyl-aspartyl signaling system for growth-phase-dependent regulation of expression of some genes. The response regulator protein CtrA is…

Growth of Single Crystal La2CuO(4+delta) films

Lead Institution

Argonne National Laboratory

Principal Investigator

Steve Heald

Project type

Exploratory Research

Recently La2CuO(4+delta) was found to undergo an interesting light-induced transient phase transition. We propose to use XAFS to look at the local structural changes occurring about the Cu and La…

The oxidation of self assembled organic monolayers by nitrate radicals using time of flight secondary ion mass spectrometry

Lead Institution

University of British Columbia

Principal Investigator

Allan Bertram

Project type

Exploratory Research

Field measurements have shown that organic material is abundant in the atmosphere, comprising 10-70% of the total fine particulate mass. This organic material can be in the form of pure organic…

Computer Simulation of Defects and Interfaces in Nuclear Fuel Materials

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Ram Devanathan

Project type

Exploratory Research

The objective of this proposal is to simulate the synergistic effects of radiation damage, elevated temperature and stress on microstructural evolution and fission gas bubble evolution in nuclear…

Developing an in situ assay for determining spatial and temporal autoinducer concentrations in wound biofilms

Lead Institution

Texas Technical University Health Sciences Center

Principal Investigator

Kendra Rumbaugh

Project type

Exploratory Research

Most living organisms possess sophisticated cell-signaling networks in which lipid-based signals modulate hundreds of biological effects such as cell differentiation, reproduction and immune…

Secondary Ion Mass Spectroscopy study of transitions metals doped ZnO nanowires

Lead Institution

Portland State University

Principal Investigator

Nadarajah Athavan

Project type

Exploratory Research

This proposal is aimed at the study of the structural properties of electrodeposited doped-ZnO nanowires using Secondary Ion Mass Spectroscopy (SIMS). ZnO is significant because of its wide-band gap …

Investigating Post-translational modifications of kinesin

Lead Institution

University of California, Irvine

Principal Investigator

Steven Gross

Project type

Exploratory Research

Molecular motor-based transport is essential for numerous cellular functions, and much of it is carried out by the molecular motor kinesin. Impaired or altered kinesin function is implicated in many…

Structure and Bonding in Actinide Oxides

Lead Institution

SOLEIL Synchrotron

Principal Investigator

Steven Conradson

Project type

Exploratory Research

We are studying structure and bonding in actinide oxides, which are critical materials in nuclear fuels, actinide corrosion, actinide waste forms and storage, actinide environmental chemistry, and…

Develop fundamental surface science characterization data for use in improving mixed alcohol synthesis catalysts,

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James White

Project type

Exploratory Research

This project will develop basic information about the surace and bulk nature of various mixed alcohol synthesis catalysts in succsive states, oxide, reduced and used. This information will combine…