Michael Bowman

Measuring nanometer distances in the packaging RNA using Double Electron-Electron Resonance.

Lead Institution

University of Southern California

Principal Investigator

Peter Qin

Project type

Exploratory Research

In this renewal application we request to continue to use the pulsed EPR spectrometer at EMSL. We will use the instrument to measure nanometer distances in a complex of the packaging RNA (pRNA),…

Molecular Probes of Quinol Oxidation by the Cytochrome b6f complex

Lead Institution

Washington State University

Principal Investigator

David Kramer

Project type

Capability Research

Cytochrome (cyt) b6f complex, a plastocyanin-quinol oxidoreductase, serves a central role in photosynthetic electron transport. The complex catalyzes the oxidation and reduction of quinone species at…

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…

Measuring nanometer distances in the packaging RNA using Double Electron-Electron Resonance.

Lead Institution

University of Southern California

Principal Investigator

Peter Qin

Project type

Exploratory Research

In this renewal application we request to continue to use the pulsed EPR spectrometer at EMSL. We will use the instrument to measure nanometer distances in a complex of the packaging RNA (pRNA),…

Deposition of Cobalt-doped Oxides for Spintronic Applications

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Tiffany Kaspar

Project type

Capability Research

The mechanism of magnetism in novel oxide-based dilute ferromagnetic semiconductors is not understood. Knowing the nature and relative position of the magnetic species in the material can help…

Pulsed EPR of Membrane Proteins

Lead Institution

University of Alabama

Principal Investigator

Michael Bowman

Project type

Capability Research

The goal of this work is to establish relationships between the structural and functional features of paramagnetic membrane proteins and their complexes using pulsed EPR (Electron Paramagnetic…

Thrust Area 1: Purification and Biophysical Characterization of MR-1 Redox Proteins (LDRD 1: Specific Aims 5&6)

Lead Institution

University of Alabama

Principal Investigator

Michael Bowman

Project type

Grand Challenge

A facultative anaerobic bacterium, Shewanella oneidensis MR-1 is able to use metal oxides, such as Mn(IV) and Fe(III), as terminal electron acceptors during anaerobic respiration. Since Mn(IV) and…

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…

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…

Free radical Reactions in the Catalytic Cycle of Cytochrome bc Complexes

Lead Institution

University of Alabama

Principal Investigator

Michael Bowman

Project type

Large-Scale EMSL Research

The cytochrome bc complex is a large ~750 kiloDalton molecular weight protein complex that is embedded in the mitochondrial or cellular membrane and is a central component of the electron transport…

Measuring nanometer distances in the packaging RNA using Double Electron-Electron Resonance.

Lead Institution

University of Southern California

Principal Investigator

Peter Qin

Project type

Capability Research

We request instrument time on the EMSL pulse electron paramagnetic resonance (EPR) system in order to measure nanometer distances in nucleic acids using the Double Electron-Electron Resonance (DEER)…

EMSL Science Overview

Michael Bowman

Projects

Measuring nanometer distances in the packaging RNA using Double Electron-Electron Resonance.

Molecular Probes of Quinol Oxidation by the Cytochrome b6f complex

Surface Chemistry of Nanocrystalline Zeolites Probed by Magnetic Resonance Techniques

Measuring nanometer distances in the packaging RNA using Double Electron-Electron Resonance.

Deposition of Cobalt-doped Oxides for Spintronic Applications

Pulsed EPR of Membrane Proteins

Thrust Area 1: Purification and Biophysical Characterization of MR-1 Redox Proteins (LDRD 1: Specific Aims 5&6)

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

Clusters of Damage in Irradiated DNA

Free radical Reactions in the Catalytic Cycle of Cytochrome bc Complexes

Measuring nanometer distances in the packaging RNA using Double Electron-Electron Resonance.