Projects

Measurement of Ambient Concentrations of Aerosols to Support the Analysis of MIRAGE Urban Plume Transport and Chemistry

Lead Institution

Washington State University

Principal Investigator

Brian Lamb

Project type

Exploratory Research

As part of the MIRAGE/MILAGRO field campaign, we propose to collect VOC flux measurements and aerosol ambient concentration and flux measurements at a site near the center of Mexico City. We will…

Spectroscopi Infrared Properties of Hydrogen Cyanide

Lead Institution

College of William and Mary

Principal Investigator

Malathy Venkataraman

Project type

Exploratory Research

Using the EMSL high resolution Fourier transform infrared spectrometer, study the self, nitrogen and air broadeing of hydrogen cyanide. This will involve taking high resolution FTS spectra of HCN…

Hematite Thin Film Preparation for X-ray Spectroscopic Studies of the Reactivity and Distribution of Pb(II) and As(V) at Natural Organic Matter/Iron Oxide Interfaces

Lead Institution

Stanford University

Principal Investigator

Tae Hyun Yoon

Project type

Exploratory Research

We are conducting research on the effect(s) of organic coatings on the reactivity of mineral surfaces using synchrotron-based X-ray standing wave (XSW), soft x-ray spectroscopy and microscopy, and…

Evaluation of Municipal Incinerator Contribution to Spokane PM

Lead Institution

Washington State University

Principal Investigator

Dennis Finn

Project type

Exploratory Research

The proposed project is designed to evaluate the what, if any contributions are made to particulate matter loading in Spokane, Washington due to emissions from the municipal waster incinerator west…

Innovative Aerosol Collector (Alexander's SBIR, PNNL Scope #48595)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Rahul Zaveri

Project type

Exploratory Research

This proposal is a continuation of research under EMSL User Proposal #18198. Develop an innovative aerosol collector for on-line analysis of individual particulate species using Proton Transfer…

Solid Phase Characterization/Speciation of U in 300 Area Sediments-Hanford

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

R. Serne

Project type

Exploratory Research

A new EMSL-refined, fluorescence line-narrowing technique performed in cryostat at liquid He-temperature will be used to determine U(VI) speciation in contaminated sediments. The technique provides…

Identification of covalent modification of SecA

Lead Institution

University of Missouri - Columbia

Principal Investigator

Linda Randall

Project type

Exploratory Research

SecA is the peripherally membrane-bound ATPase that is part of the translocon that mediates the export of proteins from the bacterial cytoplasm and outer membrane. In vivo 50% of the SecA is found…

Contaminant-Organic Complexes: Their Structure and Energetics in Surface Decontamination Processes

Lead Institution

University of California, Merced

Principal Investigator

Samuel Traina

Project type

Exploratory Research

The objective of this project is to measure the decay rate constants for the europium species in solid samples.The solid samples to be analyzed contain gibbsite, europium and siderophore (DFB).The…

Single Particle Laboratory Studies of Heterogeneous Reactions of Trace Atmospheric Gases with Particles Present in the Troposphere

Lead Institution

University of Iowa

Principal Investigator

Brenda Krueger

Project type

Exploratory Research

It is becoming increasingly clear that heterogeneous processes involving particulate matter in the atmosphere can greatly perturb the chemical composition of both the troposphere and the stratosphere…

Nanoscale Characterization of Nanomaterial - Cell Interactions

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Galya Orr

Project type

Large-Scale EMSL Research

This proposal is a continuation of research pursued under EMSL User Proposal #17690. The extensive use of amorphous silica nanoparticles (NPs) in the industry, and the growing use of carbon nanotubes…

Heart Metabolomics during ventricular unloading

Lead Institution

Seattle Children's Research Institute

Principal Investigator

Michael Portman

Project type

Large-Scale EMSL Research

Extracorporeal membrane oxygenation (ECMO) remains the primary method of long term support after myocardial stunning after cardiac surgery in this age group. ECMO often provides a bridge to recovery…

Probing the Electronic Structures of Atomic Clusters and Solution Phase Species in the Gas Phase

Lead Institution

Brown University

Principal Investigator

Lai-Sheng Wang

Project type

Large-Scale EMSL Research

This proposal is a continuation of research under EMSL User Proposal #1391a. Clusters provide intermediate molecular systems bridging the gap between atoms and condensed matter. Their finite and…

DNAPL-Water Interfacial Area Determinations During Entrapped DNAPL Dissolution Using Tracer Techniques

Lead Institution

Swiss Federal Institute of Technology

Principal Investigator

Martin Schroth

Project type

Large-Scale EMSL Research

The release of dense nonaqueous-phase liquids (DNAPL) into soils and aquifers is a widespread and serious environmental problem. Due to the typically low solubility, DNAPL may act as a long-term…

Synthesis of Nanostructured Materials and Cluster-Assembled Materials

Lead Institution

Brown University

Principal Investigator

Lai-Sheng Wang

Project type

Large-Scale EMSL Research

This proposal is a continuation of research under EMSL User Proposal #21790. This program is focused on exploratory syntheses of anionic metal clusters based on our gas-phase studies. A long…

Cluster Model Studies of Condensed Phase Phenomena

Lead Institution

Brown University

Principal Investigator

Lai-Sheng Wang

Project type

Large-Scale EMSL Research

This proposal is a continuation of research under EMSL User Proposal #8592. This program is aimed at obtaining a microscopic understanding of solution chemistry and solvation of negatively charged…

Oxide Clusters - Electronic Structure and Chemical Bonding Using Photoelectron Spectroscopy

Lead Institution

Brown University

Principal Investigator

Lai-Sheng Wang

Project type

Large-Scale EMSL Research

The proposed work is associated with a DOE BES project (catalysis center program), under EMSL User Proposal #17812. The oxide clusters studies are aimed at obtaining a microscopic understanding of…

Ultrafast Laser Interactions with Wide Bandgap Materials

Lead Institution

Washington State University

Principal Investigator

J. Dickinson

Project type

Large-Scale EMSL Research

Laser interactions with nominally transparent (wide bandgap) materials are playing increasingly important roles in several technologies and applications, including chemical analysis, semiconductor…

Effects of Nitrogen Additions on Soil Carbon Pools in Two Humid Tropical Forest Types

Lead Institution

Colorado State University

Principal Investigator

Daniela Cusack

Project type

Large-Scale EMSL Research

Human activity has greatly increased available nitrogen (N) on Earth, with N deposition rates in tropical regions predicted to be the highest globally in coming decades. Because plant growth is not…

Mixed Alkali Effect on Oxidation of Si3N4 - A Compositional Study Using RBS

Lead Institution

Stevens Institute of Technology

Principal Investigator

Henry Du

Project type

Exploratory Research

Silicon nitride ceramics have a significant temperature capability advantage relative to single crystal super-alloys for jet and industrial turbine applications. Vanes and blades made of this…

FRET-Based Molecular Dynamics Simulation of Membrane-Receptor Activation

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Galya Orr

Project type

Large-Scale EMSL Research

This proposal is a continuation of research pursued under EMSL User Proposals #6494 and #6493. Membrane receptors are activated upon the binding of small ligand molecules to specific sites in their…