Projects

EQUILIBRIUM-INDUCED DECOMPOSITION OF NITRATES ON A NOX STORAGE/REDUCTION CATALYST

Lead Institution

University of Waterloo

Principal Investigator

William Epling

Project type

Large-Scale EMSL Research

We propose to study the effects of CO2 and H2O, two key diesel exhaust components, on the nitrate stability of a NOX storage/reduction catalyst. A detailed understanding of the equilibrium between…

Chromium diffusion kinetics in nano-ceria and doped ceria coatings: An UCF-PNNL collaboration

Lead Institution

University of Central Florida

Principal Investigator

Sudipta Seal

Project type

Large-Scale EMSL Research

Steels are used as a staple alloy (worldwide consumption over 20 million tons annually) in applications such as household appliances, cutlery, oil and gas pipelines, and the like. However, select…

Spectroscopic and Microscopic Characterization of Graphite

Lead Institution

UCAR Carbon Company Inc.

Principal Investigator

Samina Azad

Project type

Large-Scale EMSL Research

Majority of the energy requirement of many industrial processes is met through utilization of reactions of carbon and carbonaceous materials with oxygen, steam, carbon dioxide and hydrogen. The…

High-resolution interfacial studies of nano-scale oxide films

Lead Institution

Harvard University

Principal Investigator

Shriram Ramanathan

Project type

Large-Scale EMSL Research

Thin film transition metal-oxides are of great interest to a number of areas ranging from nano-electronic devices to alternate energy technologies. We propose to use the unique ion beam facilities at…

Molecular beam scattering measurements on anatase TiO2(001) and
rutile TiO2(110)

Lead Institution

North Dakota State University

Principal Investigator

Uwe Burghaus

Project type

Large-Scale EMSL Research

Heterogeneous catalysis is a key industry in our modern technological world. Despite the pertinent economic impact of heterogeneous catalysis, the mechanistic understanding of chemical reaction…

Characterization of Novel DNA/Semiconductor Nanoconjugates

Lead Institution

California State University, Los Angeles

Principal Investigator

Feimeng Zhou

Project type

Large-Scale EMSL Research

The proposed study is to develop a controllable methodology by which the inorganic compounds can be evenly grown along the DNA template at molecular level and investigate the impact of various…

Fundamental Investigations of Heterogeneous Catalysis Using Isotopic Transient Kinetic Analysis

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Robert Disselkamp

Project type

Large-Scale EMSL Research

This project will apply a unique capability at PNNL for heterogeneous catalysis R&D employing isotopic transient kinetic analysis (ITKA) techniques with mass spectroscopic and in-situ…

Response of Radiation Detector Materials to Ions

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Brian Milbrath

Project type

Large-Scale EMSL Research

This project will provide a fundamental understanding of the physical processes that control the response of materials to ion energy deposition. The goal is to develop fast screening techniques to…

A Proteomic Dissection of the Hg(II) Toxicity Paradox

Lead Institution

University of Georgia

Principal Investigator

Anne Summers

Project type

Large-Scale EMSL Research

Mercury (Hg) in all its forms is a contaminant at most DOE sites, especially at Oak Ridge National Laboratory (ORNL) where the spread of spilled Hg and its effects on microbial populations have been…

Cryo-EM investigations of interfacial bacterial extracellular polymeric substance (EPS) in vanadium interactions

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Matthew Marshall

Project type

Large-Scale EMSL Research

In anaerobic conditions, dissimilatory metal-reducing bacteria such as Shewanella oneidensis MR-1 can reduce a variety of polyvalent metal ions either as soluble complexes or associated with solid…

The role of PdZn alloy formation and particle size on the selectivity for steam reforming of methanol

Lead Institution

University of New Mexico

Principal Investigator

Abhaya Datye

Project type

Large-Scale EMSL Research

Pd/ZnO has been shown in recent years to possess high selectivity towards CO2 during methanol steam reforming. It is commonly assumed that PdZn alloy formation is essential to achieve high…

Characterization of Chemistry and Physics at Metal-Polythiophene and Metal-Carbon Interfaces

Lead Institution

Carnegie Mellon University

Principal Investigator

Lisa Porter

Project type

Large-Scale EMSL Research

We propose to use photoemission techniques to investigate the chemistry and physics that govern electrical properties at metal-semiconductor interfaces that have a potential for future energy…

Development of Novel Microchip CE-MS Platform for Organic Aerosol Characterization

Lead Institution

Oak Ridge National Laboratory

Principal Investigator

Xiao-Ying Yu

Project type

Large-Scale EMSL Research

Atmospheric particulate matter (PM) has significant impact on global climate, visibility, and human health. Although organic compounds typically constitute 10-70% of the total dry fine particle mass,…

Free radical Reactions in the Catalytic Cycle of Cytochrome bc Complexes

Lead Institution

University of Alabama

Principal Investigator

Michael Bowman

Project type

Large-Scale EMSL Research

The cytochrome bc complex is a large ~750 kiloDalton molecular weight protein complex that is embedded in the mitochondrial or cellular membrane and is a central component of the electron transport…

Model system surface science approach to study photochemistry at adsorbate-substrate interfaces:
The trimethyl acetate, silver, titania system

Lead Institution

University of Texas at Austin

Principal Investigator

John White

Project type

Large-Scale EMSL Research

The field of heterogeneous photocatalysis on TiO2 has experienced unusual growth in the past decade because of increased interest in using light to promote chemical transformations. Researchers in…

Correlation of Structure and Function of Zinc Metalloproteins Via a Combined NMR/Molecular Theory Approach

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Andrew Lipton

Project type

Large-Scale EMSL Research

One of the most significant challenges in the metallobiochemistry of Zn2+ is the a priori determination of how the metal center will facilitate a particular chemical reaction. Two examples…

Solution structure of a 42 kDa "metal sensor" CzrA-DNA complex

Lead Institution

Indiana University - Bloomington

Principal Investigator

David Giedroc

Project type

Large-Scale EMSL Research

The ArsR (or ArsR/SmtB) family of winged helix-loop-helix proteins (&#945;&#945;&#945;&#945;&#946;&#946;&#945;)regulate metal ion detoxification and resistance in…

Integrated Experimental and Modeling Studies on Secondary Organic Aerosol Formation

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Rahul Zaveri

Project type

Large-Scale EMSL Research

The objectives of this project are to: a) simultaneously characterize the time evolution of hydrocarbon precursor gases as well as the chemical and physical properties of secondary organic aerosols …

Protein Interactions and Interfaces

Lead Institution

Rutgers University

Principal Investigator

Gaetano Montelione

Project type

Large-Scale EMSL Research

All proteins interact with other molecules: ligands, metals, membranes, surfaces or other proteins. Such interactions are intrinsic to protein function. We propose to leverage our successful program…

Oxide Surface Structure and Acidity

Lead Institution

Brigham Young University

Principal Investigator

Barry Bickmore

Project type

Large-Scale EMSL Research

If we are to understand interfacial geochemical reactions on a molecular scale and apply the insights we gain to field-scale modeling, we must find ways to integrate the results of molecular-scale…