Projects

Nanoparticle-Cell Interactions and Intracellular Fate; Roles of Particle Surface Properties

Lead Institution

Oregon State University

Principal Investigator

Bettye Maddux

Project type

Large-Scale EMSL Research

The growing commerce in micro- and nanotechnology is expected to increase human exposure to submicrometer and nanoscale particles, including certain forms of gold and amorphous silica. Adverse…

Surface Chemistry of Nanocrystalline Zeolites Probed by Magnetic Resonance Techniques

Lead Institution

University of Iowa

Principal Investigator

Sarah Larsen

Project type

Large-Scale EMSL Research

Nanocrystalline zeolites (with crystal sizes of less than 50 nm) are versatile, porous nanomaterials with potential applications in a broad range of areas including bifunctional catalysis, drug…

Airborne Measurement of Dimethylsulfide, Isoprene, and other Trace Volatile Organic Compounds using a Proton Transfer Reaction Mass Spectrometer during the 2008 DOE ASP VOCALS Field Campaign

Lead Institution

Brookhaven National Laboratory

Principal Investigator

Yin-Nan Lee

Project type

Large-Scale EMSL Research

This proposal requests the participation of EMSL scientist Dr. M. Lizabeth Alexander as a collaborator to deploy on the DOE G-1 aircraft a state-of-the-art volatile organic compound instrument, the…

Effects of the Presence of Helium on Silicon Carbide (EMSL3043)

Lead Institution

University of Arizona

Principal Investigator

L. Corrales

Project type

Exploratory Research

In collaboration between WJ Weber and LR Corrales of PNNL, and C Meis, A Chartier and RM Van Ginhoven of the CEA/Saclay, a study on the interactions of He with SiC crystal forms will be carried out…

Catalytic Studies of Transition Metal Oxide Monolayers Supported on Metal Single Crystal Surfaces

Lead Institution

Southern Illinois University

Principal Investigator

Qingfeng Ge

Project type

Large-Scale EMSL Research

Current commercial heterogeneous catalysts are structurally and chemically complex and measurements on them can seldom be interpreted with atomic-level precision. This is especially true for…

Integrated top-down and bottom-up proteomics strategy to identify multisite and multistep modifications on radiation sensitive proteins

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

David Stenoien

Project type

Large-Scale EMSL Research

In order for a cell to mount the appropriate response to a stimulus such as radiation, it must have the necessary biosensors capable of assessing inputs from multiple intracellular and extracellular…

Heterogeneous Ice Nucleation from Biomass Burning Particles: The Effect of Chemical
Composition and Chemical Aging

Lead Institution

State University of New York at Stony Brook

Principal Investigator

Daniel Knopf

Project type

Large-Scale EMSL Research

Organic material is ubiquitous in atmospheric particles. This proposal focuses on potential ice nucleation (IN) activity of biomass burning aerosol (BBA). Biomass burning is a major source of gases…

Multidimensional High-Field Magic-Angle Spinning NMR
of Membrane and Nanocrystalline Proteins

Lead Institution

University of Illinois at Urbana-Champaign

Principal Investigator

Chad Rienstra

Project type

Large-Scale EMSL Research

We aim to extend ongoing studies of membrane and fibril protein structure at the University of Illinois, conducted on 500 and 750 MHz instruments in 3.2 mm magic-angle spinning rotors, to the 900 MHz…

Preparation of Novel Catalysts using Ion Soft-Landing

Lead Institution

National Dong Hwa University

Principal Investigator

Wen-Ping Peng

Project type

Large-Scale EMSL Research

Soft landing of low energy gas-phase ion beams onto suitable substrates is a powerful preparative technique with many potential applications. Various classes of compounds (e.g. proteins, metal…

Morphology, Composition and Surface Properties of Novel Functional Multimetallic and Core-shell Nanoparticles and Assemblies

Lead Institution

State University of New York at Binghamton

Principal Investigator

Chuan-Jian Zhong

Project type

Large-Scale EMSL Research

This proposal focuses on the utilization of the EMSL User facilities for the investigation of Morphology, Composition and Surface Properties of Novel Multimetallic Alloy and Core-shell Nanoparticles…

Biogeochemical Processes Responsible for the Enhanced Transport of Plutonium under Transient Unsaturated Condtions.

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Ravi Kukkadapu

Project type

Large-Scale EMSL Research

Plutonium is an element of concern because of its radiotoxicity. At Savannah River Site (SRS), as a result of processing Pu for nuclear weapons, some ~60 Ci of 238Pu and 239Pu was released into…

Identification of Precipitates and Chemistry of Interfaces in Optical Materials

Lead Institution

Washington State University

Principal Investigator

David Bahr

Project type

Large-Scale EMSL Research

This proposal is focused on using EMSLs advanced characterization tools, particularly the recent FIB/SEM instrument, to conclusively identify second phase precipitates and grain boundary adsorbates…

A proteomic analysis of the effects of environmental factors on hydrogen production in the cyanobacterium Anabaena variabilis.

Lead Institution

University of Missouri - St. Louis

Principal Investigator

Teresa Thiel

Project type

Large-Scale EMSL Research

The filamentous cyanobacterium, Anabaena variabilis, produces hydrogen from water, using sunlight as the energy source and carbon dioxide as the carbon source. Hydrogen is made in specialized cells…

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…