Projects

Open Ocean Ship-Board Study of Atmospheric Aerosols at the Equatorial Pacific: Characterizing Iron in Marine Aerosol

Lead Institution

Central Washington University

Principal Investigator

Anne Johansen

Project type

Large-Scale EMSL Research

Iron is a growth-limiting nutrient to phytoplankton in the open ocean, but its sources, chemistry and physical forms are largely unknown. Since phytoplankton control global climate by producing ~50%…

Crystal Perfection in Cadmium Zinc Telluride Radiation Detectors

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Mary Bliss

Project type

Exploratory Research

This effort is to collect high resolution x-ray diffraction data to correlate with thermally stimulated current measurements. The samples are cadmium zinc telluride which have the potential to be…

Multilevel High Performance Models of Hydrobiogeochemistry for a NABIR Field Research Center

Lead Institution

Advanced Imaging Technologies

Principal Investigator

Anna Gutowska

Project type

Exploratory Research

see attached document

Photochemical studies on N-doped TiO2 single crystals - Fundamental Investigations of Water Splitting on Model TiO2 (Mike Henderson's BES Project - 48526)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Michael Henderson

Project type

Large-Scale EMSL Research

Development of new energy sources is a major need for the 21st century. Hydrogen has considerable potential as an alternative fuel. The discovery by Fujishima and coworkers in 1969 that water could…

Biomineralology and ultrastructure of neutrophilic iron-oxidizing bacteria

Lead Institution

University of Delaware

Principal Investigator

Clara Chan

Project type

Large-Scale EMSL Research

The purpose of the proposed research is to investigate the spatial relationships between iron-oxidizing microbial cells, extracellular polymers, and biogenic iron minerals. The main microbes of…

Study of Thermal decomposition of Polyester Fibers Treated with Phosphorus Flame Retardants

Lead Institution

University of California, Davis

Principal Investigator

Sabyasachi Gaan

Project type

Large-Scale EMSL Research

Polyester fibers are one of the most widely used polymer in manufacturing of textiles and films. They are made flame retardant by application phosphorus based flame retardants. The mode of action of…

Enhanced ionic conductivity of samaria doped ceria thin films through tailoring the dopant concentration and microstructures

Lead Institution

Nanjing Normal University

Principal Investigator

Zhongqing Yu

Project type

Large-Scale EMSL Research

Development of electrolyte materials that possess high oxygen ion conductance at relatively low temperatures is essential to increase the efficiency and lifetime of electrochemical devices such as…

Biocompatible, Engineered Surfaces of Mixed Chemistry

Lead Institution

University of Utah

Principal Investigator

Vladimir Hlady

Project type

Large-Scale EMSL Research

High resolution in situ spatial imaging is critical to visualizing how molecules adsorb and arrange themselves on surfaces. In order to image proteins or organic molecules on surfaces, scanning probe…

Development of an integrated atomic force / fluorescence microscope at EMSL

Lead Institution

The Ohio State University

Principal Investigator

Brian Lower

Project type

Large-Scale EMSL Research

We propose to develop a new spectroscopic/microscopic capability at EMSL that combines atomic force microscopy (AFM) with fluorescence microscopy allowing for simultaneous force and fluorescence…

Specificity of Shewanella oneidensis outer membrane cytochromes
OmcA and OmcB towards iron- and manganese-oxide surfaces

Lead Institution

The Ohio State University

Principal Investigator

Brian Lower

Project type

Large-Scale EMSL Research

Metal-reducing bacteria have a unique ability to reduce solid-phase iron- and manganese- oxides in anaerobic environments. Unlike oxygen, Fe and Mn oxides, in a solid form, cannot diffuse across the…

The Formation and Structure of Tropical Organic/Water Aerosols

Lead Institution

University of Colorado at Boulder

Principal Investigator

Gayfree Ellison

Project type

Large-Scale EMSL Research

Atmospheric aerosols are widely recognized as key elements in many environmental issues ranging from global climate change and visibility to adverse effects on peoples health. Aerosols affect climate…

The role of U(V) during heterogeneous reduction of aqueous U(VI) to U(IV).

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Eugene Ilton

Project type

Large-Scale EMSL Research

This proposal is being submitted in response to the Science theme call: Biogeochemistry and Subsurface Science, understanding the chemistry of radionuclides in the subsurface. It directly relates to…

Design Criteria for Organic Charge Transporting Materials through Computational Modeling

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Linda Sapochak

Project type

Large-Scale EMSL Research

ABSTRACT We propose to use EMSL computational facilities for developing predictive models which will guide the design of new organic charge transporting materials for thin film energy conversion…

Clusters of Damage in Irradiated DNA

Lead Institution

Colorado State University

Principal Investigator

John Zimbrick

Project type

Large-Scale EMSL Research

This EMSL project will increase our knowledge of the spatial characteristics of the free radical damage at the interface between the physical deposition of energy in DNA from gamma irradiation and…

The Impact of Carbonate on Surface Protonation, Electron Transfer and Crystallization Reactions in Iron Oxide Nanoparticles and Colloids

Lead Institution

University of Alabama

Principal Investigator

David Dixon

Project type

Large-Scale EMSL Research

In this proposal we outline a plan to address three key issues of importance in the geochemical behavior of iron oxides and in the geochemical cycling of iron, specifically the influence of…

Interfacing an Electrodynamic Ion Funnel with an Electrospray Ionization, Orthogonal Extraction, Time of Flight Mass Spectrometer for Improved Transmission of Single Stranded DNA Molecules.

Lead Institution

University of Wisconsin, Madison

Principal Investigator

Michael Westphall

Project type

Exploratory Research

In sequencing the Human Genome, the current technology of choice for separating Sanger DNA sequencing reactions is gel electrophoresis. This technique provides high resolution with single base…

Electron microscopy of oxide Thin Films

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

R. Smith

Project type

Exploratory Research

We are making Oxide thin films. We would like to use the electron microscope to determinine the structure and porosity of these samples.

Model oxide defects with vicinally stepped NiO(100) substrates

Lead Institution

University of Nebraska - Lincoln

Principal Investigator

Marjorie Langell

Project type

Large-Scale EMSL Research

We propose atomic force microscopy (AFM) studies of vicinally-stepped NiO(001) substrates designed to present periodic surface atomic edge sites and narrow terraces of constant atomic width. The…

MBE Growth and Properties of Model TiO2 Surfaces for Fundamental Studies of Heterogeneous Photocatalysis

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Scott Chambers

Project type

Large-Scale EMSL Research

The overall objective of this project is to provide the field of heterogeneous photocatalysis with unique insights into the molecular-level properties of photocatalytic transformations on TiO2…

MBE Growth and Properties of N-doped TiO2 for Enhanced Visible Light Absorption and Water Splitting

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Scott Chambers

Project type

Large-Scale EMSL Research

Development of new energy sources is a major need for the 21st century. Hydrogen has considerable potential as an alternative fuel. Fujishima and coworkers discovery in 1969 that water could be…