Projects

Contaminant immobilization through heterogeneous carbonate growth at mineral/water and mineral/microbe interfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sebastien Kerisit

Project type

Large-Scale EMSL Research

The presence of mineral surfaces and of microorganisms significantly impacts the nature and composition of mineral phases formed in biogeochemical systems. Despite the importance of these…

Does Geochemical Legacy Select for Soil Microbial Members in Establishing Wetland Functions?

Lead Institution

University of Maryland, College Park

Principal Investigator

Stephanie Yarwood

Project type

Large-Scale EMSL Research

Wetland restoration efforts are critical to enhance carbon sequestration in biomass and reestablish ecosystem vitality and functions. The success of such restoration efforts are frequently assessed…

Controls of bioorganic constituents of soils in the confined regions between mineral surfaces on nucleation and aggregation

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James De Yoreo

Project type

Large-Scale EMSL Research

The aims of the proposed research are to: 1) Determine the structure of the near surface water layer in the confined region between approaching mineral surfaces and determine the impact of…

Quantification of gene expression patterns relevant to microbial mercury transformations

Lead Institution

Oak Ridge National Laboratory

Principal Investigator

Alexander Johs

Project type

Large-Scale EMSL Research

Levels of toxic methylmercury (MeHg) in the environment are a net result of mercury (Hg) methylation and MeHg demethylation processes. Mercury methylation by anaerobic bacteria and archaea is the…

The role of Fe(oxyhydr)oxides in regulating the biogeochemical cycling of Zinc; an essential micro-nutrient

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Eugene Ilton

Project type

Large-Scale EMSL Research

We propose to study the influence of Fe(III) (oxyhydr)oxides on the biogeochemical cycling of Zn, an essential micronutrient. The work is specifically focused on incorporation of Zn into the…

Unraveling Redox Transformation Mechanisms of Ferrihydrite and Micronutrient Metal Incorporation at the Molecular Scale

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kevin Rosso

Project type

Large-Scale EMSL Research

Understanding aquatic chemistry, the natural cycling and fractionation of elements, and energy flow in soils almost always involves, by necessity, attention to the governing influence of electron…

Development of ab initio time-dependent GW+BSE method based on surface hopping scheme in nonadiabatic molecular dynamics

Lead Institution

University of Science and Technology of China, Chinese Academy of Sciences

Principal Investigator

Jin Zhao

Project type

Large-Scale EMSL Research

An exciton is a quasiparticle formed by an electron and a hole, which interact through the Coulomb interaction. It generally describes optically excited states in insulators, semiconductors, and…

Investigating Aerosol Aging Processes in the Eastern North Atlantic

Lead Institution

Leibniz Institute for Tropospheric Research

Principal Investigator

Birgit Wehner

Project type

Large-Scale EMSL Research

Aerosols, cloud, and radiation interactions regulate several key aspects of the Earth's hydrogeological cycle, weather, and climate system. The number concentration of cloud condensation nuclei …

Understanding ice nucleating particles from agricultural dusts

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Susannah Burrows

Project type

Large-Scale EMSL Research

The atmospheric concentration of ice-nucleating particles (INPs) impacts the formation and development of cloud ice crystals, affecting cloud radiative properties and precipitation. However,…

Towards a systems model of circadian control of gene function to regulate metabolic phenotype and cellulase production in Neurospora crassa

Lead Institution

Rensselaer Polytechnic Institute

Principal Investigator

Jennifer Hurley

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…

Exploring the native cell wall nanoarchitecture of engineered bioenergy crops via multi-dimensional solid-state NMR.

Lead Institution

University of Adelaide

Principal Investigator

Jennifer Mortimer

Project type

Large-Scale EMSL Research

Carbon dioxide from the atmosphere, an inorganic carbon source, is fixed by plants via photosynthesis to form the polysaccharides and lignin that constitute the plant cell wall. The plant cell wall,…

Selective Sensors for High Spatiotemporal Imaging of Small Molecule Targets in Metabolic Pathways of Plants and Cells involved in Bio-energy Processes

Lead Institution

University of Texas at Austin

Principal Investigator

Yi Lu

Project type

Large-Scale EMSL Research

As a member of the Center for Advanced Bioenergy and Bioproducts Innovation (CABBI), a DOE Bioenergy Center at the University of Illinois at Urbana-Champaign, we aim to develop selective sensors to…

Cryo-FIB and High-Vacuum Cryo-Transfer for Atom Probe Tomography Analysis of Organic Molecular Materials

Lead Institution

Colorado School of Mines

Principal Investigator

Jeramy Zimmerman

Project type

Large-Scale EMSL Research

The morphology of mixed molecular solids impacts macroscopic properties of the material (e.g. conductivity). Our group has developed atom probe tomography (APT) analysis methods for organic small…

Identifying dynamic sources and transformations of dissolved organic matter in coastal watersheds exposed to extreme flooding

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Nicholas Ward

Project type

Large-Scale EMSL Research

The primary objective of this proposal is to improve mechanistic understanding of the hydrobiogeochemical processes governing the cycling of organic matter (OM) across the land-to-sea continuum…

High-resolution imaging of Rhodobacter sphaeroides strains with increased lipid production

Lead Institution

University of Wisconsin, Madison

Principal Investigator

Timothy Donohue

Project type

Large-Scale EMSL Research

Rhodobacter sphaeroides is an alpha-proteobacterium which can remodel its cell envelope under low-oxygen or anaerobic conditions, by increasing its lipid content and forming intracytoplasmic membrane…

The Diurnal Redox Proteome of Chlamydomonas

Lead Institution

Michigan State University

Principal Investigator

Daniela Strenkert

Project type

Large-Scale EMSL Research

Nearly all organisms exhibit diurnal metabolic cycles, especially phototrophs, whose metabolism is strictly dependent on light. Transcriptomics experiments in cyanobacteria, algae and plants have…

Chemical Imaging and Ice Nucleation Properties of Individual Arctic Atmospheric Particles

Lead Institution

University of Michigan

Principal Investigator

Kerri Pratt

Project type

Large-Scale EMSL Research

The proposed project will address critical gaps in our understanding of the Arctic aerosol sources, chemical composition, and ice nucleation properties through chemical imaging and ice nucleation…

Tracking carbon flow through syntrophic interspecies interactions in methanogenic microbiomes

Lead Institution

University of British Columbia

Principal Investigator

Ryan Ziels

Project type

Large-Scale EMSL Research

Determining in situ metabolic processes and interactions among diverse assemblages of microorganisms remains a critical challenge in microbial ecology. Consequently, identifying novel genes and…

Environmental Photochemical Catalysis and Microphysical Properties of Fe-Organic Aerosols

Lead Institution

Purdue University

Principal Investigator

Alexander Laskin

Project type

Large-Scale EMSL Research

The intent of this collaborative research is to investigate photo-catalytic effects of atmospheric aging on the chemical composition and the microphysical properties of secondary organic aerosol (SOA…

Connecting Structure and Function in Anaerobic Fungal Cellulosomes

Lead Institution

University of California, Santa Barbara

Principal Investigator

Michelle O'Malley

Project type

Large-Scale EMSL Research

This proposal seeks use of EMSL resources to characterize the unique, multi-enzyme cellulosomes made by anaerobic gut fungi that are found within large herbivores. Cellulosomes enable anaerobic…