Projects

Abiotic reduction of U(VI) by sorbed Fe(II) and the implications for field-scale bioremediation at the Rifle IFC project site

Lead Institution

US Geological Survey, Menlo Park

Principal Investigator

Kate Campbell

Project type

Large-Scale EMSL Research

Bioremediation of uranium-contaminated sites has recently been explored as a potentially effective groundwater treatment option. The injection of an organic carbon substrate such as acetate…

Simultaneous Optical & Chemical Measurements of Aerosols as a Function of Relative Humidity: Bridging Laboratory and Field Measurements to Models

Lead Institution

Los Alamos National Laboratory

Principal Investigator

Manvendra Dubey

Project type

Large-Scale EMSL Research

Interactions of anthropogenic aerosols with solar radiation and clouds and are the largest source of uncertainty in climate change science. The key science gap is a lack of process-level knowledge…

The Influence of different Fe(III) Phases and the Effect of Sulfate Reduction on the Simultaneous Bioreduction of Iron and Uranium

Lead Institution

Princeton University

Principal Investigator

Peter Jaffe

Project type

Large-Scale EMSL Research

Biostimulation of Fe(III) and/or sulfate reducing microorganisms by addition of acetate can effectively reduce U(VI). However, U(VI) removal from groundwater was hindered in field trials at the…

Probing the Reactivity of Organic Particles Using Ion Soft-Landing

Lead Institution

University of California, Irvine

Principal Investigator

Sergey Nizkorodov

Project type

Large-Scale EMSL Research

Formation and atmospheric processing of particulate matter is one of the focus areas emphasized by EMSL. Organic coatings on atmospheric aerosols determine the surface chemistry that particles…

Scanning and Transmission Electron Microscopy of Grape Berry Shrivel

Lead Institution

Washington State University Tri-Cities

Principal Investigator

Bhaskar Bondada

Project type

Large-Scale EMSL Research

The state of Washington is the second largest producer of premium wine in the nation and is ranked among the worlds top wine regions. Washington wines are found nationally in all 50 states and…

Proteomic-based analysis of components involved in Human cytomegalovirus US28-induced cellular migration

Lead Institution

Oregon Health & Science University

Principal Investigator

Daniel Streblow

Project type

Large-Scale EMSL Research

Our goal is to identify the molecular mechanisms involved in Pyk2 signaling in response to activation by the Human cytomegalovirus (HCMV)-encoded chemokine receptor US28. We propose to utilize…

Fundamental Studies of Nitrogen Oxide Surface Chemistry: A Model System Approach Combining Experiments and Theory

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Janos Szanyi

Project type

Large-Scale EMSL Research

This program is aimed at the development of a fundamental understanding of catalytic nitrogen oxide (NOx) chemistry on base metal oxide surfaces. Special emphasis is on identifying new and unique…

Modeling charge transport and interfacial chemistry at the nanoscale

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Ram Devanathan

Project type

Large-Scale EMSL Research

Understanding charge transfer, charge transport and molecular transport in nanomaterials and interfaces in solids (such as grain boundaries, interfaces in multilayer materials, and hydrophilic…

Investigations into the Protein-Mineral Interface

Lead Institution

The Ohio State University

Principal Investigator

Steven Lower

Project type

Large-Scale EMSL Research

We propose to use a combination of experimental and computational techniques to investigate the protein-mineral interface. Namely, we will use atomic force microscopy to measure nano-scale forces…

High-Performance Computing to Evaluate Hierarchical Heterogeneity Paradigms in Sedimentary Aquifer Systems

Lead Institution

Wright State University

Principal Investigator

Robert Ritzi

Project type

Large-Scale EMSL Research

We propose computational research that leads to a better understanding of processes governing ground-water flow and reactive mass transport in the subsurface. The goal is to produce simulations…

Variable-Temperature Mössbauer Spectroscopy of Aluminum-Substituted Maghemites

Lead Institution

The Ohio State University

Principal Investigator

Jerry Bigham

Project type

Large-Scale EMSL Research

Maghemite (&#947;-Fe2O3) is a ferrimagnetic iron oxide that is isostructural with magnetite (FeII FeIII2O4). It differs from magnetite in that most of the Fe is trivalent, and cation vacancies…

Use of biofluids and a unique inducible/reversible mouse model of aggressive neoplasia to test for cancer biomarkers.

Lead Institution

Fred Hutchinson Cancer Research Center

Principal Investigator

Fionnuala Morrish

Project type

Large-Scale EMSL Research

The early diagnosis of cancers is central to successful treatment as current therapies work most effectively with early stages of the disease. As a result there has been much recent emphasis on…

Spectroelectrochemical and Computational Studies on Interfacial Electron Transfer in Dye-sensitized Solar Cells

Lead Institution

University of South Dakota

Principal Investigator

Haoran Sun

Project type

Large-Scale EMSL Research

This proposal is responding to the Science Theme Call: Science of Interfacial Phenomena; and it is a non-proprietary standard access proposal. Interfacial electron transfer (ET) processes…

Metabolomics and Proteomics of Bacterial Signaling

Lead Institution

Boise State University

Principal Investigator

Owen Mcdougal

Project type

Large-Scale EMSL Research

The purpose of this work is to understand the role of the microbial methionine salvage pathway specific enzyme Methylthioadenosine/S-adenosylhomocysteine (MTA/SAH) nucleosidase (MTN) in bacterial…

Ultrastructure of aerial interface in apple

Lead Institution

United States Department of Agriculture - Agricultural Research Service Tree Fruit Research Laboratory

Principal Investigator

Eric Curry

Project type

Large-Scale EMSL Research

The cuticle is the interface of all aerial plant surfaces. In apples, the interface between intercellular water and the atmosphere is dynamic, complex and, for the most part, uncharacterized. …

Understanding the Structure-Catalytic Function Relationship of Cobalt Based Catalysts for Steam Reforming of Ethanol

Lead Institution

Washington State University

Principal Investigator

Su Ha

Project type

Large-Scale EMSL Research

The scientific objectives of this application are to fundamentally understand (1) the active oxidation state and crystalline phase of cobalt (Co) and (2) how the various support materials and…

Study of the initial oxide scale formation and growth on Haynes 214 alloy at 800 & 900C

Lead Institution

University of Connecticut

Principal Investigator

Prabhakar Singh

Project type

Large-Scale EMSL Research

Initial oxidation processes in terms of the oxide nucleation and growth on Haynes 214 alumina forming alloy during exposure to an oxidizing atmosphere will be studied at 800 and 900C. Structural and…

Probing atmospheric chemistry of aerosols to gain insights into cloud condensation
behavior

Lead Institution

University of California, San Diego

Principal Investigator

Kimberly Prather

Project type

Large-Scale EMSL Research

This proposal focuses on performing off-line complementary measurements of single particles in an effort to better understand single particle chemistry, morphology, metal speciation, CCN ability,…

Systems Biology of Iron, Carbon, and NitrogenMetabolism in the Marine Diatom Phaeodactylum tricornutum

Lead Institution

J. Craig Venter Institute

Principal Investigator

Andrew Allen

Project type

Large-Scale EMSL Research

Diatoms, which are responsible for up to 40% of the 45 to 50 billion metric tons of organic carbon production each year in the sea (Nelson et al., 1995), are particularly sensitive to Fe stress. Fe…

Microscopy Investigation on Nanostructured Electrodes

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jiguang Zhang

Project type

Large-Scale EMSL Research

The objective of this proposal is to use EMSLs advanced electron microscopy facility to characterize the compositions and properties of the nanostructured electrode and nanostructured materials and…