Projects

As a scientific user facility, the Environmental Molecular Sciences Laboratory (EMSL) provides expertise, instrumentation, and resources to 250 projects each year.

EMSL projects displayed on the EMSL web site project page reflect project abstracts and information migrated to this page before April 30, 2024. To review current and past EMSL user projects, visit EMSL Science Central.™

Physicochemical determinants of distribution and fate of nanoparticles following in vivo exposure

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Justin Teeguarden

Project type

Large-Scale EMSL Research

The risks associated with the use of nanomaterials have been recently under investigation (1) as increasingly more nanosized products are developed and commercialized. The advent of nanotoxicology as…

Experimental investigation and theoretical validation of growth, morphology, and chemistry of cuprous oxide nanoclusters on STO (100) substrate

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Charles Henager

Project type

Large-Scale EMSL Research

Growth of electronic materials as single crystals for a variety of uses can be limited by the lack of fundamental understanding of the nucleation, growth, and coalescence regime at the initial stages…

Studies of Nanomaterials for Removal of Perchlorate in Water

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jun Wang

Project type

Large-Scale EMSL Research

this proposal is to study the conducting polymer/carbon nanotube nanocomposite for removal of perchlorate in water.

Understanding the influence of radiation exposure on ceria nanoparticle surface chemistry

Lead Institution

University of Central Florida

Principal Investigator

Sudipta Seal

Project type

Large-Scale EMSL Research

Primary focus of this work is to study the effect of radiation exposure on the surface chemistry of cerium oxide. High quality, single and polycrystalline thin films of ceria will be synthesized…

Characterization of Unknown Biogenic Organic Compounds During Dissimilatory Metal Reduction

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

David Kennedy

Project type

Exploratory Research

Dissimilatory metal-reducing bacteria (DMRB), such as Shewanella oneidensis MR-1, can generate energy by transferring electrons to insoluble Fe(III) oxides. They localize multi-heme cytochromes to…

Analysis of trout sperm nuclear proteins

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Irvin Schultz

Project type

Large-Scale EMSL Research

We are using a fish model, the rainbow trout, as a human surrogate to investigate the reproductive consequences of xenoestrogen exposure on male reproduction. In previous studies, we documented…

Impurity Segregation and Precipitation in Semiconductor Nanostructures

Lead Institution

University of Washington

Principal Investigator

Scott Dunham

Project type

Large-Scale EMSL Research

The goal of this work is to apply advanced characterization and modeling techniques to gain a fundamental understanding of segregation and precipitation processes in semiconductors. These issues are…

Microscopic characterization of sampling inlet penetration efficiency for DOE G-1 Research aircraft.

Lead Institution

Brookhaven National Laboratory

Principal Investigator

Fred Brechtel

Project type

Exploratory Research

A new particle sampling system was recently deployed and characterized on the DOE G-1 research aircraft. One aspect of the tests involved simultaneous sampling of PM onto TEM grids both inside and…

Dissolution and precipitation in the Hanford sediments under hyperalkaline conditions

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Nikolla Qafoku

Project type

Exploratory Research

Hanford sediments were treated with Al-rich, hyperalkaline and saline solution. As a result, dissolution ocurred and Si, Fe, K, Al, Mn, Mg, Ca, Ba were released into the soil solution. …

Posttranslational Modifications of Chicken Brain Myelin Basic Protein Charge
Isomers

Lead Institution

University of Michigan

Principal Investigator

Robert Zand

Project type

Exploratory Research

My laboratory has been studying the posttranslational modifications of myelin basic protein (MBP) from human normal, and multiple sclerosis brain.Studies of bovine MBP (Biochemistry 37,2441-49, 1998,…

High throughput FTICR Strategies for the Molecular Analysis of Cancer

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

David Camp

Project type

Exploratory Research

This human proteome project focuses on the development of a global accurate mass and time (AMT) tag database using cultured human mammary epithelial cells (HMEC). The generation of AMT tag databases…

Flux Measurements of Biogenic Volatile Organic Compounds by Disjunct Eddy
Sampling and Ion Trap Mass Spectrometry Analysis

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

John Ortega

Project type

Exploratory Research

Volatile Organic Compounds (VOCs) are major contributors to the formation of ozone and particulates in the lower troposphere. Emissions from vegetation can be significant contributions to the total…

A THEORETICAL AND EXPERIMENTAL INVESTIGATION OF MULTIPLET SPLITTING FOR CR and U SPECTRA GENERATED BY X-RAY PHOTOELECTRON SPECTROSCOPY.

Lead Institution

University of North Texas

Principal Investigator

Paul Bagus

Project type

Exploratory Research

We propose a broad theoretical and experimental study of the 2p level multiplet structures for CrIII, CrIV, and CrV in a variety of bonding environments. Recent advances in theoretical calculations…

A THEORETICAL AND EXPERIMENTAL INVESTIGATION OF MULTIPLET SPLITTING FOR TRANSITION METAL AND URANIUM SPECTRA GENERATED BY XPS AND XANES

Lead Institution

University of North Texas

Principal Investigator

Paul Bagus

Project type

Exploratory Research

Abstract updated 10/15/2005 This work involves developing strict ab initio many body models for the XPS of open shell metals, including the 3d transition metals and uranium. We have recently…

Laboratory Studies of Atmospheric processing of sea salt.

Lead Institution

University of California, Irvine

Principal Investigator

Barbara Finlayson-Pitts

Project type

Exploratory Research

We propose two different projects: 1. Mechanism of the Reaction of NaCl and NaBr with O3 and OH. Previous studies in our laboratory of the reaction of OH with deliquesced NaCl particles showed…

Stopping power measurements of heavy ions over a wide range of energy

Lead Institution

Universidade de Sao Paulo

Principal Investigator

Roberto Linares

Project type

Exploratory Research

The passage of charged particles through matter continues to be a subject of great interest and importance to atomic and nuclear physics. Also, ion interaction in matter is crucial for development…

Time resolved study of photoluminescence from gold nanostructures

Lead Institution

University of Rochester

Principal Investigator

Michael Beversluis

Project type

Exploratory Research

Under intense pulsed laser illumination, gold photoluminesces, showing a wavelength dependence in the visible which depends on the morphology and shape of the gold surface or nanostructure. On the…

Fine-Tuning Ambipolar Charge-Transport Properties of Organic Materials By Computational Design

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Asanga Padmaperuma

Project type

Exploratory Research

We propose to use EMSL computational facilities for developing predictive models which will guide the design of new ambipolar organic charge transporting materials. Designing new materials for flat…

Mechanistic understanding of zeolite deactivation pathways

Lead Institution

Caterpillar, Inc.

Principal Investigator

Joshua Ratts

Project type

Exploratory Research

Three zeolite powders (Fe-MFI, Cu-MFI, and Fe-BEA) commonly used in SCR NOx reduction will be hydrothermally aged in air using a variety of temperatures, aging times and water concentrations in a…

The Measurements for Nano-tip'ID

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Rui Zhao

Project type

Exploratory Research

To find the best way for pull the nano-tip using P-2000 Micropipette Puller Capillary ID: 30um and 50um Conditions: With water and Without water.

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