Projects

As a scientific user facility, the Environmental Molecular Sciences Laboratory (EMSL) provides expertise, instrumentation, and resources to 250 projects each year.

EMSL projects displayed on the EMSL web site project page reflect project abstracts and information migrated to this page before April 30, 2024. To review current and past EMSL user projects, visit EMSL Science Central.™

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…

Bone growth on tailored biomimetic surfaces

Lead Institution

University of Jyvaskyla

Principal Investigator

Harry Whitlow

Project type

Large-Scale EMSL Research

Bone is a natural composite material comprising cells, mainly osteoblasts, osteoclasts, and osteocytes in a mineralized matrix made up mostly of hydroxyapatite and type-I collagen. One major barrier…

Characterization of Organic Aerosols throughout the Depth of an Urban Planetary Boundary Layer: proposed field deployment of EMSL mass spectrometers

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Carl Berkowitz

Project type

Large-Scale EMSL Research

We are requesting EMSL support to deploy a PTR-MS and several aerosol mass spectrometers at the ~150, ~450 and ~850 AGL levels of a 900 ft skyscraper as part of a larger scientific program to study…

Defects and Defect Processes in Ceramics

Lead Institution

University of Tennessee

Principal Investigator

William Weber

Project type

Large-Scale EMSL Research

The proposed work is to develop fundamental understanding of defects, defect processes and interfaces in ceramics at the atomic level. In addition, the work will focus on the role of interfaces on…

Basis of Microbial Membrane Attachment to Mineral Surfaces
and Ionic Contaminants Uptake

Lead Institution

The Ohio State University

Principal Investigator

Brian Lower

Project type

Large-Scale EMSL Research

Allocation of resources at EMSL facilities, both experimental and computational, is sought for the extension of our current DOE-funded biogeochemistry project. The project focus lies on the molecular…

Cryogenic XPS Study of Metal Oxide/Water Interfaces

Lead Institution

Umea University

Principal Investigator

Jean-Francois Boily

Project type

Large-Scale EMSL Research

The object of this research is to investigate the generation of charge at the metal oxide/water interface using the cryogenic capabilities of the PHI Quantum 2000 XPS of the Interfacial and Nanoscale…

Catalytic and optical properties of surface attached and matrix embedded quantum dots

Lead Institution

University of Tennessee

Principal Investigator

Gerd Duscher

Project type

Large-Scale EMSL Research

Metal clusters attached on a dielectric surface represent typical structure of catalyst particles on a supporting material. It is far from clear regarding the nature of the interaction between the…

Mössbauer Analysis of Microbial Redox Transformations of Naturally Occurring Fe(III)-bearing Phyllosilicates

Lead Institution

University of Wisconsin, Madison

Principal Investigator

Evgenya Shelobolina

Project type

Large-Scale EMSL Research

The abundance of ferric iron in sedimentary environments and its ability to accept and donate electrons makes it important electron acceptor for microbial metabolism. Fe(III) in the structure of…

Electron energy loss in radiation detection materials

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Bret Cannon

Project type

Large-Scale EMSL Research

The proposed project will develop the capability at Pacific Northwest National Laboratory (PNNL) to measure processes by which high energy electrons lose energy in solids and how that lost energy is…

Thin Film Electrolyte/Electrode Development and Enhanced Ionic Transport in Miniaturized Solid Oxide Fuel Cells on Silicon Chips

Lead Institution

University of Connecticut

Principal Investigator

Prabhakar Singh

Project type

Large-Scale EMSL Research

This user proposal aims to develop a fundamental scientific understanding of ionic transport in thin film solid oxide fuel cell (SOFC) electrode/electrolyte layers in the temperature range of 300-500…

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