Projects

Multi-omics Approach to Identifying the Molecular Mechanisms of the Pseudomonas Response to Exudates in the Rhizosphere

Lead Institution

Argonne National Laboratory

Principal Investigator

Philippe Noirot

Project type

Large-Scale EMSL Research

Rhizosphere communities, the bacteria and fungi that live in symbiotic association with plant roots, have a significant effect on nutrient cycling and biomass accumulation in terrestrial environments…

A Contrasting Case Study of the Proportion and Types of Biological Ice Nucleating Particles from Continental and Maritime Sources

Lead Institution

Colorado State University

Principal Investigator

Paul Demott

Project type

Large-Scale EMSL Research

Biological particles may be an important source of ice nucleating particles (INPs) at modestly supercooled cloud temperatures. These particles can thus have large effects on precipitation and climate…

Effect of Condensed-Phase Photochemical Reactions on Viscosity and Volatility of Organic Aerosols

Lead Institution

University of California, Irvine

Principal Investigator

Manabu Shiraiwa

Project type

Large-Scale EMSL Research

Recent advances in understanding aerosol chemistry strongly suggest that: (1) photochemical processes occurring inside aerosol particles represent an important mechanism of aging for organic aerosols…

Combined Surface Characterization and Computation Study of a LaxZryOz Catalyst for the Catalytic Upgrading of Biomass-derived Compounds into Biofuels and Renewable Chemicals

Lead Institution

Archer Daniels Midland Company

Principal Investigator

Karl Albrecht

Project type

Large-Scale EMSL Research

The overall goal of this proposal is to understand the specific factors responsible for the enhanced catalytic activity and stability under hydrothermal conditions of a LaxZryOz catalyst versus a…

Metabolic Flux Coupling in Microbial Consortia: Demystifying Metabolic Exchanges across Species

Lead Institution

University of Tromso - The Arctic University of Norway

Principal Investigator

Hans Bernstein

Project type

Large-Scale EMSL Research

We propose to employ EMSL's state-of-the-art metabolomics capabilities to gain a predictive understanding of how compartmentalized metabolic reactions are coordinated across carbon and energy…

Using metabalomics to understand the fate of pollen in the atmosphere

Lead Institution

University of Michigan

Principal Investigator

Allison Steiner

Project type

Large-Scale EMSL Research

The release of pollen from vegetation represents a major seasonal, pulsed source of organic matter to the atmosphere of great biological and societal importance. While pollen grains themselves are…

Post-Translational Modification and Subcellular Trafficking Effects on Trichoderma reesei Cellulase Production, Secretion, Stability, and Efficacy Post-Translational Modification and Subcellular Trafficking Effects on Trichoderma reesei Cellulase Product

Lead Institution

National Renewable Energy Laboratory

Principal Investigator

Stephen Decker

Project type

Large-Scale EMSL Research

We propose that Post-Translation Modification (PTM) of cellulases, especially glycosylation and N-terminal capping, has significant effects on glycoside hydrolase performance; as well as productivity…

Pore- to Core-Scale Research to Inform Ecosystem-Scale Soil C Biogeochemistry

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vanessa Bailey

Project type

Large-Scale EMSL Research

The spatial separation of soil organic carbon (SOC), microbes, and extracellular activity is an important mechanism of SOC protection in soils that exists at the soil pore (micron-mm) scale. The…

Chemical Characterization of Photolytic Aging Processes in Atmospheric Aerosols

Lead Institution

Massachusetts Institute of Technology

Principal Investigator

Jesse Kroll

Project type

Large-Scale EMSL Research

Secondary organic aerosol (SOA) represents a large fraction of total atmospheric aerosol and therefore is important for climate, however, the effect of SOA on radiative forcing is uncertain. Results…

Atomistic simulations of the nitrogen fixation by Mo-dependent nitrogenase

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Simone Raugei

Project type

Large-Scale EMSL Research

We propose to use EMSL supercomputing resources to gain a molecular level understanding of how substrate binding, electron, and proton delivery are controlled by the nitrogenase metalloenzyme to…

Bio-Inspired Homogeneous Catalysts for Energy Storage and Production

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Molly O'Hagan

Project type

Large-Scale EMSL Research

This proposal is in response to the Energy Materials and Processes Science Theme proposal call requesting resources to support three research programs at PNNL: the DOE Basic Energy Sciences &quot…

Predicting solvent mediated preferential ion pairing in ionic solute mixture

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Vijayakumar Murugesan

Project type

Large-Scale EMSL Research

A comprehensive understanding of solvent mediated ion pair formation between ionic solutes at the molecular- and mesoscale level remains elusive. This knowledge gap prevents the straightforward…

Aerosol properties and processes in remote marine environment

Lead Institution

Washington University in St. Louis

Principal Investigator

Jian Wang

Project type

Large-Scale EMSL Research

With their extensive coverage, low clouds greatly impact global climate. Presently, low clouds are poorly represented in global climate models (GCMs), and the response of low clouds to changes in…

Oxidative corrosion of uraninite (UO2) surfaces

Lead Institution

University of Chicago

Principal Investigator

Joanne Stubbs

Project type

Large-Scale EMSL Research

Uraninite (UO2) is the most abundant uranium ore mineral, its synthetic analog is the primary constituent of most nuclear fuels, it is the desired product of bioremediation strategies for uranium…

Mechanisms of Fe(II)-Catalyzed Transformation of Fe(III)-(Oxyhydr)oxides

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kevin Rosso

Project type

Large-Scale EMSL Research

Interaction of aqueous Fe(II) with major Fe(III)-oxides and oxyhydroxides yields the enigmatic catalytically reactive "sorbed Fe(II)" species and apparent facile recrystallization of even…

Building a Predictive Understanding of Particle-Based Mineral Growth

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James De Yoreo

Project type

Large-Scale EMSL Research

Traditional models of mineral formation through monomer-by-monomer addition have been challenged by recent evidence for crystallization through the addition of "particles," ranging from…

Quantifying variability of soil organic carbon quality as a function of floodplain heterogeneity and downstream distance in a mountainous watershed

Lead Institution

Los Alamos National Laboratory

Principal Investigator

Joel Rowland

Project type

Large-Scale EMSL Research

Recent research has highlighted the importance of rivers and floodplains as a terrestrial carbon reservoir (Wohl et al., 2012; Regnier et al., 2013; Sutfin et al., 2016) and global assessments…

Understanding the Mechanism of CO Hydrogenation to Oxygenates over Ternary Catalysts: An Integrated Approach Using In Situ and Operando Experimental Techniques

Lead Institution

Washington State University

Principal Investigator

Norbert Kruse

Project type

Large-Scale EMSL Research

The submitted proposal will enable highly focused scientific research using unique facilities and expertise at EMSL. This research is largely complementary to ongoing work on oxygenates formation via…

Interactions of Aerosols, Clouds and Precipitation in the Earth System: From molecular scale to global climate simulation

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Philip Rasch

Project type

Large-Scale EMSL Research

This proposal requests cascade resources (0.8M node hours) to produce a more reliable model for climate studies. Staff time is funded with support from other BER projects. Our goals are to (1)…

Characterization of sea spray aerosol under future ocean conditions with implications for cloud formation processes

Lead Institution

State University of New York at Stony Brook

Principal Investigator

Josephine Aller

Project type

Large-Scale EMSL Research

Oceans cover 71% of the Earth's surface, contain nearly half the global primary productivity, and are a major source of atmospheric Sea Spray Aerosol (SSA) representing one of the most uncertain…