Projects | Environmental Molecular Sciences Laboratory

Single Particle Characterization for Interpreting Ice Nucleating Particle Measurements in the SAIL Field Study

Lead Institution

Colorado State University

Principal Investigator

Paul Demott

Project type

Large-Scale EMSL Research

Ice formation in clouds is a process that is still not fully understood, yet critically affects precipitation, cloud lifetime, and the radiation balance. Mixed-phase clouds in the Western U.S…

Metabolic exchange between Spartina alterniflora and sulfur chemosymbionts of the plant's root microbiome

Lead Institution

Georgia Institute of Technology

Principal Investigator

Joel Kostka

Project type

FICUS Research

Vegetated coastal ecosystems are among the most intense carbon sinks in the biosphere, storing large amounts of carbon in their soils. Despite the fact that the root zone of coastal wetland plants…

Mass Determination of Cyclic Siloxane

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

David Nelson

Project type

Exploratory Research

A presumed cyclic siloxane has been isolated from the polymerization of a phenolic diallyl compound and silane hydride under catalytic hydrosilylation conditions. This type of cyclic component is…

Determination of Metal Dispersion Values

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

David King

Project type

Exploratory Research

Project objective is to look at alternate methods of adding active metals to catalyst supports. The purpose for the project is to determine the best method in terms of maximizing exposed metal…

Analysis of Trifluoropropylmethylpolysiloxane by Electrospray/mass Spectrometry

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

William Robins

Project type

Exploratory Research

Analyze TFP GC stationary phase to corelate mass spectra of stationary phase to the quality of GC columns

Measurement of carbon cluster emission from graphite sputtered by noble gas ions near threshold

Lead Institution

Whitworth College

Principal Investigator

Richard Stevens

Project type

Exploratory Research

The relative proportion of C, C2, and C3 sputtered from graphite will be measured by bombarding a graphite sample (provided by the author) with Xenon and Krypton ions from a low energy ion gun. …

High pressure VLS synthesis of silicon nanowires

Lead Institution

Portland State University

Principal Investigator

Joo Chan

Project type

Exploratory Research

Silicon nanowires synthesized via supercritical cyclohexane solvent at a high temperature of 450C and pressures of 200bar will be studied. Doping of the silicon nanowires with p- and n- dopant during…

High pressure VLS synthesis of silicon nanowires

Lead Institution

Portland State University

Principal Investigator

Joo Chan

Project type

Exploratory Research

Silicon nanowires synthesized via supercritical cyclohexane solvent at a high temperature of 450C and pressures of 200bar will be studied. Doping of the silicon nanowires with p- and n- dopant during…

Ion Beam Methods for the Synthesis, Modification, and Characterization of Radiation Detection Materials

Lead Institution

Oak Ridge National Laboratory

Principal Investigator

John Neal

Project type

Exploratory Research

Inorganic scintillators have been used for the detection of ionizing radiation in numerous applications for over a century, current users are, however, restricted to a handful of commercially…

Ion Beam Methods for the Synthesis, Modification, and Characterization of Radiation Detection Materials

Lead Institution

Oak Ridge National Laboratory

Principal Investigator

John Neal

Project type

Large-Scale EMSL Research

Inorganic scintillators have been used for the detection of ionizing radiation in numerous applications for over a century, current users are, however, restricted to a handful of commercially…

Fabrication of MIP Filaments

Lead Institution

Portland State University

Principal Investigator

Jennifer Brazier

Project type

Exploratory Research

I am currently working on a project for Dr. Yan of Portland State University. This project involves making molecularly imprinted polymers for use as optical detectors. In specific, I want to make…

The Measurement of Low Energy Ion Sputtering Yields Utilizing RBS

Lead Institution

NASA Glenn Research Center

Principal Investigator

Maris Mantenieks

Project type

Exploratory Research

Sputtering, a process by which a target is removed by an impinging ion, has been studied in great detail since the early sixties. Despite this, the need exists for accurate sputtering yield…

Photoelectron Spectroscopy of Group VI transition Metal oxygen clusters

Lead Institution

Washington State University Tri-Cities

Principal Investigator

Tom Waters

Project type

Exploratory Research

This proposal outlines possible experiments to be carried out during a visit by Tom Waters (Melbourne University, Australia) to PNNL during November 2001 to work with Professor Lei-Sheng Wang. This…

Single-molecule imaging at LB bilayers

Lead Institution

Bowling Green State University

Principal Investigator

H. Peter Lu

Project type

Exploratory Research

The proposed experiments with the LB trough are to create lipid bi-layer membranes with low concentrations of either fluorescence labeled lipids and/or low concentrations of fluorescence labeled…

Infrared Analysis of Nafion 424 membrane for carboxylate presence

Lead Institution

CerOx Corporation

Principal Investigator

Norvell Nelson

Project type

Exploratory Research

The supporting grid in Nafion 424 membrance can, if overheated, release HF. Since the pitting corrosion appears to match the mesh grid, this could explain the observed corrosion in CerOx materials. …

cells and mineral surfaces

Lead Institution

The Ohio State University

Principal Investigator

Steven Lower

Project type

Exploratory Research

use atomic force microscopy to measure pico- to nano-scale forces between bacterium and mineral surface in solution

Fate and transport of titanium dioxide through freshwater ecosystems

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Ann Miracle

Project type

Exploratory Research

This project will identify and quantify titanium dioxide (titania, TiO2) nanoparticles and its subsequent mass balance in environmental media (i.e., water, sediment and benthic/sediment dwelling…

Fate and transport of titanium dioxide through freshwater ecosystems

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Ann Miracle

Project type

Large-Scale EMSL Research

This project will identify and quantify titanium dioxide (titania, TiO2) nanoparticles and its subsequent mass balance in environmental media (i.e., water, sediment and benthic/sediment dwelling…

Investigating the Correlation Among Properties, Morphology and Composition of Multimetallic Alloy and Core-shell Nanoparticles and Novel Nanostructures

Lead Institution

State University of New York at Binghamton

Principal Investigator

Chuan-Jian Zhong

Project type

Exploratory Research

This USER proposal seeks the support of the EMSL User facilities for the study of nanostructural properties and compositions of metal and alloy nanoparticles using High-Resolution Transmission…

Investigating the Correlation Among Properties, Morphology and Composition of Multimetallic Alloy and Core-shell Nanoparticles and Novel Nanostructures

Lead Institution

State University of New York at Binghamton

Principal Investigator

Chuan-Jian Zhong

Project type

Large-Scale EMSL Research

This USER proposal seeks the support of the EMSL User facilities for the study of nanostructural properties and compositions of metal and alloy nanoparticles using High-Resolution Transmission…