Projects

Uranium sequestration and release by framboidal pyrite in bioreduced sediments

Lead Institution

Virginia Polytechnic Institute

Principal Investigator

Harish Veeramani

Project type

Large-Scale EMSL Research

Exploratory research is proposed to gain insight into interactions between microbes, framboidal pyrite (FeS2), and uranium (U) in organic-matter rich, naturally bioreduced zones at an Integrated…

Multiscale processes of heteroepitaxial nucleation and growth at mineral-water interfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sebastien Kerisit

Project type

Large-Scale EMSL Research

The goal of the proposed research is to elucidate the mechanisms and quantify the rates of heteroepitaxial nucleation and growth at mineral-water interfaces. Despite several examples of heteroepitaxy…

Combined nuclear magnetic resonance and electrochemical techniques for the study of electrochemically-active Geobacter biofilms

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Ryan Renslow

Project type

Large-Scale EMSL Research

Understanding the ability of some microorganisms to utilize extracellular electron transfer is important for applications in bioremediation and electrochemically-stimulated synthetic biology…

Liquid Sampling-Atmospheric Pressure Glow Discharge (LS-APGD) Ionization Source for Elemental Analysis and Ambient Mass Spectrometry

Lead Institution

Clemson University

Principal Investigator

Richard Marcus

Project type

Exploratory Research

The continued development of a novel low power, low flow "elemental" ionization source for applications in the areas of metallomics and transportable mass spectrometry is proposed. Based…

Investigating origins of atmospheric dusts through uranium-lead isotopic analysis of individual mineral grains using Nano-SIMS and related microanalytical techniques

Lead Institution

Northern Arizona University

Principal Investigator

Michael Ketterer

Project type

Large-Scale EMSL Research

Human activities of the past several centuries have significantly increased the flux of atmospheric dusts in the global environment, and these dusts generally have negative consequences to human…

Fundamental and Applied Chemistry of Soot Particles from Aviation Fuels

Lead Institution

Air Force Research Laboratory

Principal Investigator

William Roquemore

Project type

Large-Scale EMSL Research

Soot is known to affect global climate by altering the earth’s radiative balance directly through absorption of solar radiation, as well as indirectly through contrail and cloud (cirrus and stratus)…

Theoretical studies of electronic structure and dynamics of photoactive molecule-solid interfaces

Lead Institution

University of Pittsburgh

Principal Investigator

Hrvoje Petek

Project type

Large-Scale EMSL Research

The experimental and theoretical understanding of photocatalysis is of vital importance for the solar-to-chemical energy conversion and for environmental remediation. Photocatalytic conversion of…

Linking Microbial Communities to Subsurface Geochemistry and Hydrology at the Field-Scale

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James Stegen

Project type

Large-Scale EMSL Research

Background and Key Challenges: A major challenge in subsurface science is understanding how microbial communities, geochemistry, and hydrology interactively govern the fate and transport of…

High Resolution Multinuclear NMR of Waste-Weathered Hanford Sediments

Lead Institution

University of Arizona

Principal Investigator

Jon Chorover

Project type

Large-Scale EMSL Research

Our research team is part of a multi-laboratory/university project funded by the Department of Energy that is investigating the fate of uranium and strontium in waste-weathered sediments such as…

Delineating the Roles of Rising CO2 and Temperature on Flowering Time and Plant Carbon Gain across Pre-Industrial Through Future Conditions

Lead Institution

University of Kansas

Principal Investigator

Joy Ward

Project type

Large-Scale EMSL Research

Since the Industrial Revolution began (200 years ago), atmospheric [CO2] has increased from 270 to 390 ppm (44% increase), and average global temperatures have risen by 0.76 degrees C. In the future,…

Effects of Time of Day on the Neurospora Metabolome

Lead Institution

Dartmouth College

Principal Investigator

Jay Dunlap

Project type

Large-Scale EMSL Research

Biofuel production using cellulases extracted from fungi has the potential to be a major resource to replace fossil fuels and regulating the synthesis of these and other enzymes is crucial for the…

The Role of Interfacial Water on Mineral Transformations in Wet Supercritical CO2

Lead Institution

Washington State University

Principal Investigator

Andrew Felmy

Project type

Large-Scale EMSL Research

We propose a comprehensive experimental and theoretical investigation of the molecular mechanisms governing the role of interfacial water in the reactivity of mineral phases in supercritical carbon…

Probing the Mesoscale Structure at Complex Electrode-Electrolyte Interfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vijayakumar Murugesan

Project type

Large-Scale EMSL Research

Molecular interactions at electrode-electrolyte interface are pivotal to the modern energy storage/conversion and microelectronic devices. However, our predictive understanding about the impact of…

High resolution cell wall structure and polymer analysis of Populus natural variants

Lead Institution

Oak Ridge National Laboratory

Principal Investigator

Jin-Gui Chen

Project type

Large-Scale EMSL Research

Bioenergy crops not only provide biofuel that offsets fossil-fuel greenhouse gas emissions but also sequester carbon in the soil through extensive root systems. Plant cell wall characteristics have…

A comprehensive systems-level investigation of the responses of Setaria viridis to growth promoting associations involving Herbaspirillum seropedicae and Azospirillum lipoferum rhizobacteria.

Lead Institution

University of Missouri - Columbia

Principal Investigator

Richard Ferrieri

Project type

Large-Scale EMSL Research

While nitrogen management is an important agronomic trait in any cropping system, it is of particular concern for future bioenergy crops that will be grown on sub-optimal soils lacking this essential…

In-situ MAS NMR Investigations on Catalytic Conversion of Biogenic Molecules in the Presence and Absence of Water

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jian-zhi Hu

Project type

Large-Scale EMSL Research

The catalyzed conversion of biomass to hydrocarbon energy carriers requires a cascade of reactions that deconstruct and reduce the polymeric, highly oxofunctionalized biomass material. This chemistry…

Structural Characterization of Bacterial Nanowires

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Karl Mueller

Project type

Large-Scale EMSL Research

Several species of bacteria are capable of reducing insoluble metal oxides as well as other extracellular electron acceptors. These bacteria play a critical role in the cycling of minerals in…

Atomic scale characterization of dissolution processes in simulant spent nuclear fuel

Lead Institution

University of Cambridge

Principal Investigator

Ian Farnan

Project type

Large-Scale EMSL Research

This proposal aims to provide the underpinning atomistic understanding of the alteration of spent (used) nuclear fuel in contact with repository groundwaters using the unique combination of…

Determination of vadose zone water content using gas-phase partitioning tracers combined with time-lapse electrical conductivity measurements

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Mart Oostrom

Project type

Large-Scale EMSL Research

Water content is an important indicator of contaminant distribution and plays a governing role in contaminant transport within the vadose zone. Understanding the water content distribution is…

Understanding unique aqueous glyoxal chemistry leading to formation of secondary organic aerosol

Lead Institution

University of Colorado at Boulder

Principal Investigator

Rainer Volkamer

Project type

Large-Scale EMSL Research

Atmospheric aerosols cool climate by scattering incoming solar radiation, and by modifying cloud cover and thus Earth albedo. Organic aerosol (OA) forms a major fraction of aerosol mass in the…