Timothy Johnson

Spectral Library (Sharpe's NNSA, PNNL Scope #28727)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Steven Sharpe

Official Use Only

Infrared Spectroscopy of Methyl Halides (Blake's LDRD, PNNL Scope #49961)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Thomas Blake

Official Use Only

Infrared Spectral Library of Bacterial Spores (Sharpe's NNSA, PNNL Scope #28727)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Timothy Johnson

Project type

Exploratory Research

It has been demonstrated that bacterial endospores have unique infrared (IR) signatures that can be identified to the species-, and in some cases, to the strain-level using Fourier Transform Infrared…

IR and RAMAN Analysis of Water Diffusion in the Surface of Glasses for Nuclear Waste Immobilization

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Alexander Fluegel

Project type

Exploratory Research

It is proposed to analyze VHT (Vapor-Hydration Test) glass sample surface cross-sections using IR and RAMAN spectroscopy for examining water diffusion. The samples represent glasses for nuclear waste…

Understanding Particle Generation and the Risk of Occupational Exposure and Environmental Release of Nanoparticles During Processing of Nanocomposite Materials

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Daniel Gaspar

Project type

Exploratory Research

Understanding the potential impacts of nanotechnology on human health and the environment requires an understanding of the potential for release and exposure of potentially toxic nanomaterials during…

Experimental and Theoretical Investigations on the
Chemistry and Dynamics of Ammonia Borane Dehydrogenation

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Thomas Autrey

Project type

Large-Scale EMSL Research

Increasing demands for clean energy sources that do not add CO2 and other pollutants to the environment have resulted in increased worldwide interest in the possibilities of a "hydrogen economy…

Temperature Dependent High-Resolution UV- and IR-Absorption-Cross-Section Spectra of Low-Volatility SOA Precursor Hydrocarbons in the Gas-Phase

Lead Institution

University of California, San Diego

Principal Investigator

Mario Molina

Project type

Large-Scale EMSL Research

This proposal is a continuation of research under EMSL User Proposal #10894. Aerosols pose and increasingly serious concern for public health, agriculture and global climate. Increasing amounts of…

Infrared (IR) versus Terahertz (THz) Absorption Strengths for Chemical Species Associated with Homeland Security

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Timothy Johnson

Project type

Limited Scope

We will measure the absolute infrared (IR) and terahertz (THz) absorption oscillator strengths of several species of interest associated with homeland security to assess the relative merits of the IR…

Characterizing Chemical Composition of DOD-Prescribed Burns

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Timothy Johnson

Expand the PNNL gas-phase infrared reference library incorporating those species that are relevant to prescribed burns and suggest themselves plausible to infrared analysis. The expansion in…

Environmental Chemistry of Nitrogen-Containing Organic Compounds in Biomass Burning Aerosols

Lead Institution

University of Montana

Principal Investigator

Robert Yokelson

Project type

Large-Scale EMSL Research

The objective of the proposed research is to advance fundamental understanding of environmental chemistry of NOC present in BBA - the major sources of organic aerosols in the atmosphere. The…

Mechanistic Modeling of Subsurface Multifluid Flow and Biogeochemical Reactive Transport

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Steven Yabusaki

Project type

Capability Research

A reliable means of quantitatively predicting fluid movement and biogeochemistry in the subsurface environment is of significant value to the Department of Energy (DOE) and to our nation as a whole. …

Infrared Reflectance of Solids

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Thomas Blake

Imaging technologies have been under development for more than 30 years but have only recently been proposed for comprehensive applications. The earliest public sensor and exploitation development…

An Optical Spectroscopy Investigation of Environmental Effects on Uranium Oxyfluoride Particles

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Khris Olsen

Project type

Limited Scope

Uranium oxyfluoride (UO2F2) is the first metastable hydrolysis product of uranium hexafluoride (UF6), an important chemical in the uranium separation process as well as a trace impurity in WF6, which…

Infrared Material Component Analysis Corroboration by X-ray Diffraction

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Tanya Myers

This project aims to build a spectral library which links both structural and spectroscopic data. To obtain the structural information, we require diffraction data from a range of samples for which…

High and Moderate Resolution Infrared Spectroscopy of Diiodomethane

Lead Institution

California State University, East Bay

Principal Investigator

Anthony Masiello

Project type

Exploratory Research

We will record high (0.002 cm-1) and moderate (0.112 cm-1) resolution infrared spectra of diiodomethane. Diiodomethane is a trace compound found in the troposphere and is thought to be a sink for…

Projects