Projects

Secretomes from soil fungi in temperate forests and arid grasslands that are responsive to altered C and N deposition

Lead Institution

Los Alamos National Laboratory

Principal Investigator

Cheryl Kuske

Project type

Large-Scale EMSL Research

Temperate ecosystems are experiencing increasing levels of atmospheric CO2 and nitrogen (N) deposition, which alter plant productivity and the amount and quality of above and belowground carbon. The…

Inorganic materials for pertechnetate detection and management

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Tatiana Levitskaia

Project type

Large-Scale EMSL Research

One of the DOE-EM current challenges is to meet regulatory requirements for near term technetium (Tc) disposal due to excess Tc in DOE waste streams. Design of novel Tc separation and immobilization…

Capillary Fringe Effects on Volatile Organic Compound Transport from the Vadose Zone into Groundwater

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Mart Oostrom

Project type

Large-Scale EMSL Research

Soil vapor extraction (SVE) is the prevalent remediation approach for volatile organic contaminants in the vadose zone in the US, including at Department of Energy contaminated sites. A general, user…

Bringing the viral "unknown" to light through wild community and model system characterization

Lead Institution

The Ohio State University

Principal Investigator

Matthew Sullivan

Project type

Large-Scale EMSL Research

Ocean microbes drive the biogeochemistry that fuels the planet, and their viruses impact microbes through mortality, horizontal gene transfer, and directly manipulating microbial metabolisms. However…

Microbial EPS Interactions with Nanoparticles: A process influencing global transport to nanoscale-localization.

Lead Institution

University of South Carolina

Principal Investigator

Alan Decho

Project type

Large-Scale EMSL Research

Nanoparticles are ultra-small particulates often having novel properties. Their current use constitutes a multibillion dollar industry that is expected to rapidly grown in the near future…

Meeting the Challenge of Particulate Emissions from Future High-Efficiency Vehicles

Lead Institution

University of Wisconsin, Madison

Principal Investigator

David Rothamer

Project type

Large-Scale EMSL Research

Advanced low temperature combustion technologies currently under development offer the potential to dramatically increase the fuel efficiency of engines which run on gasoline and similar fuel blends…

Chemical Imaging Studies of Liquid-Liquid Phase Separation in Atmospheric Aerosols

Lead Institution

Lawrence Berkeley National Laboratory

Principal Investigator

Mary Gilles

Project type

Large-Scale EMSL Research

A large fraction of atmospheric aerosols contain an internal mixture of organics and inorganic salts. As the relative humidity (RH) cycles in the atmosphere, these particles can undergo phase…

Soil Carbon Stabilization At The Permafrost-Active Layer Boundary In An Arctic Tundra Ecosystem

Lead Institution

Lawrence Berkeley National Laboratory

Principal Investigator

Margaret Torn

Project type

Large-Scale EMSL Research

In preliminary studies, we have observed a stock of old, seemingly stable carbon immediately above the permafrost in soils from Barrow, Alaska. The proposed study will focus on the mechanisms…

Exploring the Molecular Driving Forces for Lanthanide and Actinide Complexation and Partitioning to Mineral Interfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Sue Clark

Project type

Large-Scale EMSL Research

In this project, we will use a combination of optical spectroscopy techniques (time-resolved fluorescence and sum-frequency generation) and computational methods (molecular dynamics, density…

Ice Nucleation Properties of Authentic Atmospheric Marine Particles

Lead Institution

Sonoma Technology

Principal Investigator

Ryan Moffet

Project type

Large-Scale EMSL Research

The effect that aerosol particles have on climate is highly uncertain and has garnered much attention in recent years. Specifically, the effect that aerosol particles have on cloud formation is one…

Surface and Interfacial Chemistry of Nanoscale Multicomponent Inorganic Films and Structures

Lead Institution

Oregon State University

Principal Investigator

Liney Arnadottir

Project type

Large-Scale EMSL Research

Transformation of small molecular precursors into inorganic solid-state compounds via solution methods has mainly focused on sol-gel techniques involving hydrolysis and condensation reactions of…

A Joint Experimental and Theoretical Study of the Bonding, Energetics, and Excited States of Uranyl Compounds

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Zheming Wang

Project type

Large-Scale EMSL Research

One of the challenges in experimental investigations of actinide complexes is to determine their structures, bonding, and stabilities in solids and solutions. Our recent TRLIF work on U(VI), the…

Understanding NOx SCR Mechanisms and Activity on Cu/Chabazite Structures throughout the Catalyst Life Cycle

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Peden

Project type

Large-Scale EMSL Research

This proposed EMSL use will enable research that has been recently funded at PNNL by the Department of Energy (DOE), and at the remainder of the partner institutions by a joint DOE/National Science…

Mn oxide mineral formation by an expressed bacterial Mn(II,III)-oxidizing multicopper oxidase

Lead Institution

University of Washington

Principal Investigator

Bradley Tebo

Project type

Large-Scale EMSL Research

Microbial Mn(II) oxidation is an important environmental process that links the biogeochemical cycle of Mn with the cycling of C, N, P, and many trace metals and radionuclides. The Mn oxides…

Immobilization of Actinides in Garnets

Lead Institution

University of California, Davis

Principal Investigator

Alexandra Navrotsky

Project type

Large-Scale EMSL Research

The garnet structure is a promising nuclear waste form due to its potential of accommodating various actinide elements. Study of tetravalent cation substitution in a simple garnet system may shed…

Comparative proteomic analysis of sweet and grain sorghum stem internodes: mechanisms of sugar accumulation for bioenergy

Lead Institution

University of Arkansas, Monticello

Principal Investigator

Benjamin Babst

Project type

Large-Scale EMSL Research

The amount of biomass produced by plants and its composition is largely dependent on fixation of atmospheric CO2 as sugars through photosynthesis by plants. Among the several potential bioenergy…

Understanding Lignin Depolymerization in Ionic Liquid

Lead Institution

Lawrence Berkeley National Laboratory

Principal Investigator

Blake Simmons

Project type

Large-Scale EMSL Research

The primary goal of the proposed work is to understand the dissolution and depolymerization mechanism of lignin in ionic liquids (ILs) using both experimental and computational approaches. Lignin is…

Improving Climate Records Through a Mechanistic Understanding of Sub-Micron Heterogeneity in Environmental Materials

Lead Institution

University of Washington

Principal Investigator

Alexander Gagnon

Project type

Large-Scale EMSL Research

From the pace of the ice ages to how the carbon cycle has changed through time, much of what we know about earth history and climate dynamics is based on proxies. Recorded as trace element anomalies…

Molecular Interactions at the Interface of Engineered Nanoparticles and Biological Membranes

Lead Institution

University of Wisconsin, Madison

Principal Investigator

Joel Pedersen

Project type

Large-Scale EMSL Research

The proposed project focuses on applying EMSL's outstanding capabilities in super resolution and single-molecule fluorescence microscopy (Galya Orr), high-resolution vibrational spectroscopy (hr…

Untangling the complexity of phototroph-heterotroph interactions in the lab and in the field

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

H Wiley

Project type

Large-Scale EMSL Research

Despite the fact that ubiquitous microbial interspecies interactions form the foundation of energy flow as well as the biogeochemical cycling of carbon and other elements within natural environments,…