Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 5 of 5 for “"Pulsed Electron Paramagnetic Resonance (EPR)"”.
-
Dynamic nuclear polarization and electron spin resonance in paramagnetic solids at high field
… in high resolution solid state nuclear magnetic resonance spectroscopy have permitted the detailed structural study of large biological systems. The feasibility of many of these experiments is limited by the inherently low sensitivity of solid state NMR, and the implementation of complex …
-
Mechanism, inhibition and spectroscopy of isoprenoid biosynthesis enzymes
… is not a cysteine residue. Continuous-wave and pulsed electron paramagnetic resonance (EPR) experiments, with the help of isotope-labeled substrates, revealed the electronic structures of reaction intermediates and inhibitors bound to the iron-sulfur clusters. Diverse binding modes of ligands to …
-
Developing microwave probes for investigating opto-electronic processes in photovoltaic materials
… by the need to understand the underlying opto-electronic processes which limit the efficiency of photovoltaic materials, we develop two complimentary microwave capabilities: Time-resolved Microwave Conductivity (TRMC) as a probe for charge carrier dynamics, and shaped pulse Electron …
-
Characterizations on bacterial photosynthesis and respiration with optical spectroscopy and magnetic resonance
… transductions. Both processes involve downhill electron transfers within transmembrane protein complexes. Here, I have examined different physical aspects of photosynthetic and respiratory electron transfer. For the photosynthesis section, I have carried out a detailed picosecond spectral and …
-
Investigation of the quinone sites in reaction centers from Rhodobacter sphaeroides by pulsed EPR and spectral simulations
… into a membrane potential. This is achieved by electron transfer from a special pair of bacteriochlorophylls to two acceptor quinones, QA and QB. Both quinone sites are occupied by identical ubiquinone molecules, yet take on very different roles. QA can only accept and donate a single electron, …