Projects

Influence of Rhizosphere Iron on Carbon Cycling in a Wetland Environment

Lead Institution

Savannah River National Laboratory

Principal Investigator

Daniel Kaplan

Project type

Large-Scale EMSL Research

About 20% of the earth's carbon resides in wetlands and another 20% of the organic carbon in sediment is associated to reactive iron phases, either existing in wetlands or elsewhere. This…

Characterization of U(VI) speciation in samples from laboratory batch and column experiments

Lead Institution

Lawrence Berkeley National Laboratory

Principal Investigator

Jiamin Wan

Project type

Exploratory Research

Our DOE funded projects under the EMSP and NABIR programs focus on the biogeochemical properties of U(VI) in contaminated subsurface environments. Our laboratory batch and column experiments are…

Fundamental of High Entropy Alloy: computationally guided material design

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jun Cui

Project type

Large-Scale EMSL Research

We propose a comprehensive effort aimed at understanding the fundamentals of high entropy (HE) alloys, in particular, thermodynamics of alloy formation, stability, and deformation mechanism at high…

Atmospheric System Research Studies

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jerome Fast

Project type

Large-Scale EMSL Research

A major PNNL's research effort funded through DOE's Atmospheric System Research (ASR) Program focuses on current knowledge gaps in aerosol effects on climate. The overall goal of this…

Characterization of U(VI) speciation in samples from laboratory batch and column experiments

Lead Institution

Lawrence Berkeley National Laboratory

Principal Investigator

Jiamin Wan

Project type

Exploratory Research

Our DOE funded projects under the EMSP and NABIR programs focus on the biogeochemical properties of U(VI) in contaminated subsurface environments. Our laboratory batch and column experiments are…

Sulfur Isotope Fractionation Analysis of Individual Atmospheric Particles

Lead Institution

Purdue University

Principal Investigator

Alexander Laskin

Project type

Large-Scale EMSL Research

We propose a set of laboratory studies focused on understanding of chemical forms, oxidation states, and isotopic fractionation of sulfur in atmospherically aged particles collected in a number of…

Structural Investigation of Crystalline Cellulose in Plant Cell Walls Using High-Resolution Non-linear Spectroscopy and Microscopy

Lead Institution

Pennsylvania State University

Principal Investigator

Seong Kim

Project type

Large-Scale EMSL Research

Plants use much of the carbon and solar energy captured during photosynthesis to produce cell walls, which are a valuable resource of renewable energy. Plant cell walls are processed for use as…

3-D acid site determination in zeolite crystals as a function of porosity and reaction conditions

Lead Institution

Stanford Linear Accelerator Center

Principal Investigator

Simon Bare

Project type

Large-Scale EMSL Research

Zeolites are microporous aluminosilicate materials with a wide range of applications including catalysis, water purification, agriculture, and laundry detergents. In the petrochemical industry,…

Molecular Level Analysis of Photochemical Processing of Brown Carbon and Nitrogen Compounds in Atmospheric Aerosols

Lead Institution

University of California, Irvine

Principal Investigator

Sergey Nizkorodov

Project type

Large-Scale EMSL Research

Atmospheric aerosols have a profound effect on climate by scattering and absorbing solar and Earth radiation. They can be predominantly scattering (e.g., sea-salt aerosol), predominantly absorbing (e…

Investigating mechanisms for negative priming of soil organic carbon by pyrogenic carbon using NanoSIMS and LA-AMS

Lead Institution

Cornell University

Principal Investigator

Johannes Lehmann

Project type

Large-Scale EMSL Research

Reduced turnover rate (often referred to as “negative priming”) of soil organic carbon (SOC) by pyrogenic black carbon (pyC) has the potential to have dramatic long-term effects on soil carbon stocks…

Laser-Materials Interactions: Theory and Experiment (Kay's BES-Surface Kinetics, PNNL Scope #16248)

Lead Institution

University College London

Principal Investigator

Alexander Shlyuger

Project type

Exploratory Research

Laser ablation and desorption techniques form the basis of unique methods for producing novel materials, performing sophisticated chemical analysis or medical procedures. Although laser ablation…

Effects of iron and mixed communities on two anaerobic lignin decomposing bacteria

Lead Institution

University of Massachusetts Amherst

Principal Investigator

Kristen DeAngelis

Project type

Large-Scale EMSL Research

The fast growth, high efficiency and specificity of enzymes employed in bacterial anaerobic litter deconstruction makes these useful templates for improving biofuel production. There are few cultured…

In Search of a Sensitive Tc Sensor -- Design, Synthesis and Exploring of non-pertechnetate forms of Technetium

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Samuel Bryan

Project type

Large-Scale EMSL Research

The main objectives of this project is prepare a series of brand new type of technetium complexes with carbonyl and a third ligand based on the non-pertechnetae species found in Hanford tank wastes…

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…

Liquid Infrared Spectroscopy and Spill Phenomenology (Hylden FTIR-Liquids, PNNL Scope # 44568)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Paul Gassman

Project type

Exploratory Research

We propose to measure the fundamental absorbance characteristics of neat liquids using a conventional Fourier Transform Infrared Spectrometer (FTIR). These optical constants are essential to…

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…