Projects

Spectroelectrochemical Sensor for Pertechnetate, TcO4-, Applicable to Hanford and Other DOE Sites

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Samuel Bryan

Project type

Large-Scale EMSL Research

The general aim of our work currently funded by DOE (formerly by EMSP) is the design and implementation of a new sensor technology that offers unprecedented levels of specificity needed for…

Activation and Dissociation of Large Molecules in Mass Spectrometry

Lead Institution

Purdue University

Principal Investigator

Julia Laskin

Project type

Large-Scale EMSL Research

This proposal is a continuation of research under EMSL User Proposal #6291. Mass spectrometry is unique among instrumental analysis techniques in terms of its extraordinary sensitivity, molecular…

Identification of oligoribonucleotide products of RNA cleavage in Saccharomyces cerevisiae

Lead Institution

Emory University

Principal Investigator

Daniel Reines

Project type

Exploratory Research

We are proposing that mass spectrometry be used to identify, for the first time, small oligonucleotide RNAs that result from a specific enzymatic activity of RNA polymerase II in yeast. Newly…

Non-Invasive Monitoring for Occupational Exposure to Metals

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Timchalk

Project type

Exploratory Research

The assessment of the potential for health effects, and the need for protective measures requires the accurate measurement of exposure, and the ability to translate these measurements into dose. …

Cu Interconnect Structure in the FESEM

Lead Institution

Washington State University

Principal Investigator

David Field

Project type

Exploratory Research

Cu interconnect structure will be imaged using the LEO 982 FESEM. Orientations from select locations will be measured using EBSD. On a return trip, we will examine the evolved structure after…

Photolithography to form microcontact printing tools

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Barbara Tarasevich

Project type

Exploratory Research

Objectives are to use the photolithography facility in EMSL 1304 clean room to form patterned resists on silicon wafers.

AES Study of Chemical Segregation in the Ti-Pt-PZT system for MEMS devices

Lead Institution

Washington State University

Principal Investigator

David Bahr

Project type

Exploratory Research

In past investigations between WSU and EMSL, XPS analysis has provided evidence that Pb has diffused to the Ti/Pt interface in a Si/SiO2/Ti/Pt/PZT stack used in a MEMS microengine. Pb diffusion…

Film Characterization of Silicon- and Zirconium-based Sol-Gel Coatings by Scanning Probe Microscopy

Lead Institution

University of Dayton

Principal Investigator

Michael Donley

Project type

Exploratory Research

We are investigating performance and degradation mechanism of two types of hybrid sol-gel pretreatment for aircraft Al at the Air Force Research Lab. The first type of coatings is a Si-based Self…

Evolution of Fe(II) Mineralization Under Hydrodynamic Conditions Induced by Dissimilatory Iron-Reducing Bacteria

Lead Institution

Woods Hole Oceanographic Institution

Principal Investigator

Colleen Hansel

Project type

Exploratory Research

The reducing capacity of soils and sediments for contaminants will be dictated, in part, by the Fe(II) bearing solids produced by dissimilatory iron reducing bacteria (DIRB). A primary factor…

Synthesis of Highly Uniform Magnetic Nanoparticles with Enhanced Moment
Density

Lead Institution

University of Washington

Principal Investigator

Xiaohu Gao

Project type

Exploratory Research

The high-quality and monodisperse magnetic nanoparticles will be synthesized through high-temperature approach. The magnetic properties of nanoparticles could be well-controlled by the chemical…

Formation of Apatite in Hanford Vadose Zone Sediments by Gaseous Injection of Phosphorus Compounds

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Mark Rockhold

Project type

Exploratory Research

Large regions of strontium-90 and technetium-99 contamination exist in the unsaturated zone at Hanford at depths that are impractical for excavation. No active remediation options have been developed…

Detection of Gas inclusion in Organic and Metal-Organic Solids

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Praveen Kumar Thallapally

Project type

Exploratory Research

Emissions of gases are a significant problem for many chemical processers and electric utility operators. Federal regulations in the U.S.A., such as the Clean Air Act Amendments and various state and…

Infrared Adiabatic Rapid Passage Spectroscopy of Small Gas Phase Molecules

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Thomas Blake

Project type

Exploratory Research

Adiabatic rapid passage and superradiance spectroscopies using quantum cascade lasers are optical techniques that hold the promise of ultratrace detection of molecules in atmospheric grab samples…

Characterization of Nanomaterials in Support of the NTP Nanotechnology Safety Initiative

Lead Institution

Battelle Columbus

Principal Investigator

Timothy Cristy

Project type

Exploratory Research

Nanotechnology can be defined as "the understanding and control of matter at dimensions of roughly 1 to 100 nanometers, where unique phenomena enable novel applications." These materials…

Influence of Speciation on the Transport of U(VI) through Hanford Sediments

Lead Institution

Oak Ridge National Laboratory

Principal Investigator

Melanie Mayes

Project type

Exploratory Research

Uranium(VI) in the subsurface at the Department of Energy's (DOE) Hanford site poses a significant risk to the quality of the Columbia River and to future populations. Coupled hydrological and…

Creation and Healing of Surface Defects

Lead Institution

Hanford High School

Principal Investigator

Brian Palmer

Project type

Exploratory Research

With EMSL Staff, we will study the creation and healing of defects on the surface of rutile TiO2 by irradiation with UV light and reaction with light molecules. The surface structure and composition…

Identification of order and disorder in protein XPA

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Lilia Lakoucheva

Project type

Exploratory Research

The DNA repair protein Xeroderma pigmentosum group A (XPA) is a crucial component of the nucleotide excision repair pathway. The structure of full-length XPA has proved intractable by both NMR and X…

Determining Mechanism of Pu(VI) Reduction by Manganese Oxides

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kirk Cantrell

Project type

Exploratory Research

As part of the EMSP project: Transuranic Interfacial Reaction Studies on Manganese Oxide Hydroxide Mineral Surfaces, it has been demonstrated that Pu(VI) and Pu(V) are reduced and adsorbed by…

Electrochemical Storage of Hydrogen in Modified Carbon Nanotubes

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Liyu Li

Project type

Exploratory Research

Strategy: Boron has one less electron than carbon. When carbon in the CNTs is substituted by boron, the electron density of the CNTs will decrease (this will strongly modifies the properties of the…

Comparative Display of D. radiodurans after exposure to Ionizing Radiation

Lead Institution

Uniformed Services University of the Health Sciences

Principal Investigator

Michael Daly

Project type

Exploratory Research

Deinococcus radiodurans is one of the most radiation resistant organisms known to man, yet after a comprehensive analysis of the sequenced genome, the mechanisms underlying this radiation resistance…