Projects

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…

Benchmark non-Born--Oppenheimer calculations on small molecules

Lead Institution

University of Arizona

Principal Investigator

Ludwik Adamowicz

Project type

Exploratory Research

The proposed research addresses the development and tests theoretical methods that allow very accurate variational calculations of atomic and molecular systems without using the Born--Oppenheimer…

TEM study of interfacial layers in Nb-clad stainless steel

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Jung-pyung Choi

Project type

Exploratory Research

Nb-clad 304L stainless steel manufactured by cold rolling is currently under consideration for use as a bipolar plate material in polymer electrolyte membrane fuel cell stacks. To make the…

High Resolution TEM of Doped Ceria System

Lead Institution

University of Florida

Principal Investigator

Juan Nino

Project type

Exploratory Research

Higher ionic conductive solid oxide electrolyte is critical for the realization of portable device based on solid oxide fuel cells (SOFCs). Doped ceria materials show promise owing to their higher…

Oxygen isotope fractionation in phosphate during iron oxide-phosphate interaction

Lead Institution

University of Delaware

Principal Investigator

Deb Jaisi

Project type

Exploratory Research

Measurements of 18O/16O ratio of organic and inorganic PO4 in laboratory experiments have found that microbial metabolism of PO4 is accompanied by specific oxygen isotope fractionations. More…

Hydrolytic Stability and Susceptibility of Transition Metal Diolate Complexes and Applications to Green Oxidation

Lead Institution

Oregon State University

Principal Investigator

Kevin Gable

Project type

Exploratory Research

A series of LReO3 complexes will be prepared and reductively cyclized with vicinal diola. The hydrolysis of these compounds will be examined by NMR and UV spectroscopies under a variety of pH…

Characterization of Aerosol Organics by LC-MSn

Lead Institution

Desert Research Institute

Principal Investigator

Barbara Zielinska

Project type

Large-Scale EMSL Research

In summer, 2009, a comprehensive field study is planned to characterize the effect of organics on the water activity of atmospheric particles under sub- and supersaturated conditions at the Desert…

Preparation of Stoichiometric TiO2(110)-(1x1) Surface.

Lead Institution

Fritz-Haber-Institut der Max-Planck-Gesellschaft

Principal Investigator

Hans-joachim Freund

Project type

Large-Scale EMSL Research

Driving force for investigations of single-crystalline TiO2 surfaces is the wide range of its applications from photocatalysis to degradation of organic pollutants. Rutile TiO2 (110) surface is a…

A model system to obtain structural information from the bacterial-mineral interface by neutron reflectometry

Lead Institution

Oak Ridge National Laboratory

Principal Investigator

Alexander Johs

Project type

Large-Scale EMSL Research

Electron transfer to insoluble electron acceptors by dissimilatory metal-reducing bacteria is facilitated by a pool of c-type cytochromes associated with the bacterial outer membrane. Recent studies…

Uncovering proteogenomic patterns on an evolutionary gradient of termite gut Verrucomicrobia isolates.

Lead Institution

University of California, Davis

Principal Investigator

Jorge Rodrigues

Project type

Large-Scale EMSL Research

Cellulositic biomass for biofuel conversion is inexpensive and abundant, but efficient biotransformation is still a challenge. Wood-feeding termites harbor a microbial community dedicated to degrade…

Soybean Proteomics

Lead Institution

University of Missouri - Columbia

Principal Investigator

Gary Stacey

Project type

Large-Scale EMSL Research

Soybean is the major source of vegetable oil and, therefore, a major source for biodiesel production. In recognition of this fact, the Department of Energy-Joint Genome Institute recently completed a…

Coupling Experiments with Theory: Effect of Size and Topography on Structural Dynamics and Energetic Reactions of Metal Oxides

Lead Institution

CNRS

Principal Investigator

Slavica Stankic

Project type

Large-Scale EMSL Research

Metal oxides represent various and fascinating classes of material that are widely applied and cover the entire range from insulators to semiconductors. Their surfaces play a crucial role in an…

Associate Professor of Chemistry

Lead Institution

Michigan Technological University

Principal Investigator

Rudy Luck

Project type

Large-Scale EMSL Research

The reaction between an oxygen atom and an olefin to form an epoxide remains an important research area in industrial and synthetic chemistry, because epoxides are the main ingredients in epoxy…

Foam Delivery of Calcium Polysulfide for Cr(VI) Remediation in Unsaturated Porous Media - 2-D Flow Cell Experimental Study

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Lirong Zhong

Project type

Large-Scale EMSL Research

Deep vadose zone chromium [Cr(VI)] remediation at the U.S. Department of Energy (DOE) Hanford Site is critical to end ongoing sources of groundwater contamination and to prevent Cr(VI) migration to…