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.™

The chemistry and mineralogy of variable charge soils

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Nikolla Qafoku

Project type

Exploratory Research

I received an invitation to write a review paper (chapter) for the Journal: Advances in Agronomy, which is a well established and highly regarded serial publication (ranked #1 in Agriculture). In…

Signal transduction pathways regulating genetic exchange

Lead Institution

Memorial University of Newfoundland

Principal Investigator

Andrew Lang

Project type

Large-Scale EMSL Research

The alphaproteobacterium R. capsulatus is a model organism for studying photosynthesis, nitrogen fixation, and hydrogen production. R. capsulatus also produces a virus-like particle called the &quot…

The role of PdZn surface alloy composition, PdZn particle size, and ZnO structure in steam reforming of alcohols

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 was first proposed that PdZn alloy formation is essential to achieve high selectivity…

Investigation of the structure of Cobalt-Zinc bimetallics for steam reforming of alcohols

Lead Institution

University of New Mexico

Principal Investigator

Abhaya Datye

Project type

Large-Scale EMSL Research

Cobalt and Cobalt-Zinc Oxide catalyst systems have been shown to be active towards methanol reforming (CHâ‚ƒOH â†’ COâ‚‚+Hâ‚‚) as well as selective towards production of COâ‚‚ and Hâ‚‚ instead of CO…

Coupling protein dynamics to membrane morphology.

Lead Institution

UT-Houston Medical School

Principal Investigator

Samuel Kaplan

Project type

Large-Scale EMSL Research

Membranes are fluid, plastic and adaptable. But how do they transform themselves from fulfilling one function to taking on a task that may be completely new? What are the underlying dynamics that…

Speciation and Photochemistry of Nitrogen Oxides Adsorbed to Environmentally Relevant Surfaces

Lead Institution

University of California, Irvine

Principal Investigator

Barbara Finlayson-Pitts

Project type

Large-Scale EMSL Research

The overall goal of this research is to elucidate the mechanism of HONO formation by the photolysis of adsorbed-NOy (NOy = NO + NO2 + HNO3 + N2O5 + ...) species on environmentally relevant surfaces…

Chemically Functionalized Surfaces through Ion Soft Landing and their Utilization in Heterogeneous Reactions

Lead Institution

Purdue University

Principal Investigator

Robert Cooks

Project type

Large-Scale EMSL Research

Interaction of hyperthermal energy polyatomic ions with surfaces is an active area of research which falls within the purview of material science, mass spectrometry, imaging and spectroscopy, all…

Post-translational modification of key proteins during exposure of intact prokaryotic and eukaryotic cells to organomercurials.

Lead Institution

University of Georgia

Principal Investigator

Anne Summers

Project type

Large-Scale EMSL Research

Mercury (Hg) contaminates many DOE sites, notably Oak Ridge National Laboratory (ORNL) where its effects have been monitored for decades. Hg is also released from fossil fuels and minimization of…

Assessing the Role of Iron Sulfides in the Long Term Sequestration of Uranium by Sulfate Reducing Bacteria

Lead Institution

University of Michigan

Principal Investigator

Kim Hayes

Project type

Large-Scale EMSL Research

Uranium (U), originating from weapon manufacturing and nuclear energy production, is one of the most prevalent radionuclide contaminants at DOE sites. In situ microbial reduction of U(VI) into…

In-Situ Monitoring Electrode Surface Reactions Using High-Resolution Desorption Electrospray Ionization Mass Spectrometry (DESI-MS)

Lead Institution

Ohio University

Principal Investigator

Hao Chen

Project type

Large-Scale EMSL Research

Probing the real-time chemical processes on the electrode surfaces is crucial for obtaining fundamental understanding of redox mechanisms and the nature of active intermediates involved in…

On the Origin of the pH-Dependent Redox Potential of Titanium Dioxide

Lead Institution

Yale University

Principal Investigator

James Mayer

Project type

Large-Scale EMSL Research

As part of an effort to understand the involvement of protons in charge transfer to TiO2, access to EMSL equipment and expertise for materials characterization is requested. Understanding the…

Combination and Integration of DPF-SCR Aftertreatment Technologies

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kenneth Rappe

Project type

Large-Scale EMSL Research

Exhaust aftertreatment is considered an enabler for widespread implication of higher fuel efficient diesel engines. In the last decade extensive research has resulted in the development and…

Fundamental Studies of Water-Polymer Interactions

Lead Institution

Sandia National Laboratory

Principal Investigator

Bruce Bunker

Project type

Large-Scale EMSL Research

The objective of this proposal is to obtain a molecular level understanding of the mechanisms of proton and water transport in polymer-based materials as a function of membrane chemistry, morphology,…

Respiratory U6+ reduction and U4+ nanoparticle formation in Geobacter lovleyi and Anaeromyxobacter dehalogenans

Lead Institution

University of Tennessee

Principal Investigator

Frank Loeffler

Project type

Large-Scale EMSL Research

situ bioremediation strategy at U-contaminated DOE sites. U4+ nanoparticles generated by resting cells (i.e., representing artificial non-growth conditions) of metal-reducing bacteria have been…

Development of Monte-Carlo simulation method for quantitative analysis of radiation damage in irradiated crystals.

Lead Institution

Institute for Electronic Materials Technology

Principal Investigator

Jacek Jagielski

Project type

Large-Scale EMSL Research

A complex approach for the analysis of radiation damage in irradiated crystals including: structural analysis of defects, reproduction of a given defect structure for Monte Carlo simulations of…

Surface stoichiometry and reactivity of La1-xSrxCoyFe1-yO3 surface from First-Principles Calculations

Lead Institution

University of Florida

Principal Investigator

Susan Sinnott

Project type

Large-Scale EMSL Research

The objective of the proposed work is to investigate the surface of mixed conducting solid oxide fuel cell (SOFC) cathodes. In detail, the effect of the dopants on oxygen stoichiometry of LaFeO3 (LFO…

Environmental Chemistry of Nitrogen-Containing Organic Compounds in Biomass Burning Aerosols

Lead Institution

University of Montana

Principal Investigator

Robert Yokelson

Project type

Large-Scale EMSL Research

The objective of the proposed research is to advance fundamental understanding of environmental chemistry of NOC present in BBA - the major sources of organic aerosols in the atmosphere. The…

Community proteomics of oxic-anoxic cycling in the Great Salt Lake, Utah

Lead Institution

National Ecological Observatory Network

Principal Investigator

John Parnell

Project type

Large-Scale EMSL Research

Extreme environments generally contain stable low-complexity microbial communities making them good targets for community proteomic studies. Often the caveat for low-complexity communities is the…

ab initio Quantum Calculations of 195Pt Knight Shifts in Pt-based Bimetallic Nanoparticles

Lead Institution

Georgetown University

Principal Investigator

YuYe Tong

Project type

Large-Scale EMSL Research

Nanoscale catalysts are of considerable importance in a number of industrially and environmentally applications of heterogeneous catalysis. Platinum-based bimetallic nanoparticles are the most…

Surface-Induced Dissociation of Complex Ions on an LTQ/Orbitrap Mass Spectrometer

Lead Institution

Purdue University

Principal Investigator

Julia Laskin

Project type

Large-Scale EMSL Research

Mass spectrometry is unique among instrumental analysis techniques in terms of its extraordinary sensitivity, molecular specificity and utility for addressing key questions in a broad range of…

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