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Showing 1 to 20 of 177 for “"Electron paramagnetic resonance"”.
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Electron Paramagnetic Resonance Studies of Low Symmetry Nickel(i) and Molybdenum(v) Complexes. Part I: Computer Simulation of Electron Paramagnetic Resonance Spectra. Part Ii: Electron Paramagnetic Resonance Studies of Nickel(i) Triphenylphosphine Complexes. Part Iii: Electron Paramagnetic Resonance Studies of a Molybdenum(v) Thiocyanate Complex
Made available in DSpace on 2014-12-13T20:10:44Z (GMT). No. of bitstreams: 1 8004241.pdf: 5926392 bytes, checksum: 6730e20c92cff5d543cc5b3fd4c6119d (MD5) Previous issue date: 1979
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Dinitroxides in Rapid Scan Electron Paramagnetic Resonance Imaging
… understanding disease behavior. Rapid Scan (RS) electron paramagnetic resonance (EPR) offers a unique, non-invasive tool for investigation of these so-called microenvironments through EPR Imaging (EPRI). Research into advancement of EPRI falls into many categories. Not least among those are …
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Noninvasive Temperature Measurements Using Electron Paramagnetic Resonance Spectroscopy
A system has been developed that may be used for non-invasive in vivo temperature measurements in living systems. We use the nitroxide, 3-doxyl-5$\alpha$-cholestane, mixed in 1 mol% cholesterol and 99 mol% methyl docosanoate and encapsulated in proteinaceous microspheres (average diameter $<$2 …
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Electron paramagnetic resonance of myoglobin and related ferrous complexes
"Electron paramagnetic resonance spectra of myoglobin (Mb), the 02-storage protein of mammals, are reported for the first time. The EPR signals arise from the biologically active ferrous deoxyMb and photolyzed oxyMb, Mb""(2) complexes. Similar EPR signals were also discovered in photolyzed …
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Rapid Scan Electron Paramagnetic Resonance (EPR) and Digital EPR Development
<p>Rapid scan electron paramagnetic resonance (EPR) was developed in the Eaton laboratory at the University of Denver. Applications of rapid scan to wider spectra, such as for immobilized nitroxides, spin-labeled proteins, irradiated tooth and fingernail samples were demonstrated in this …
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Multifrequency Electron Paramagnetic Resonance Spectroscopy of Group Viib Carbonyl Radicals
… roles in catalytic processes. Multi-frequency electron paramagnetic resonance spectroscopy studies of (.)Mn(CO)(,3){P(n-Bu)(,3)}(,2), (.)Mn(CO)(,3){P(i-Bu)(,3)}(,2), (.)Mn(CO)(,3){P(i-Pr)(,3)}(,2') (.)Mn(CO)(,3){P(O-i-Pr)(,3)}(,2) and (.)Re(CO)(,3){P(cy)(,3)}(,2) (cy = cyclohexyl) were …
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Electron Paramagnetic Resonance Studies of Hexakis (Urea) Metal (Iii) Iodides
Made available in DSpace on 2014-12-13T20:10:47Z (GMT). No. of bitstreams: 1 8009005.pdf: 3150908 bytes, checksum: 85700b84468e2b0a24cf173ebce9a157 (MD5) Previous issue date: 1979
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Electron paramagnetic resonance studies of beta-alumina, a prototype glass
Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-20T19:00:40Z No. of bitstreams: 1 1980_kurtz.pdf: 3464088 bytes, checksum: f0bfd7d91a83444116d6c922156b3ea2 (MD5)
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High frequency (139.5 GHz) electron paramagnetic resonance spectroscopy of biomolecules
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 1996.
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High-frequency time domain electron paramagnetic resonance : methods and applications
… advantages to high frequency (high field) electron paramagnetic resonance (EPR) spectroscopy. Two of the most important are improved sensitivity and the improved resolution of field dependent interactions. In addition, there are many attractive features to time domain spectroscopy. Pulsed …
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Electron paramagnetic resonance analysis of dimethyl amidogen in polycrystalline tetramethyl tetrazene.
… of tetramethyl-2-tetrazene yields a short-lived paramagnetic species which is stabilized at liquid nitrogen temperatures. For the analysis of the electron paramagnetic resonance spectrum the species has been identified as the free radical dimethyl amidogen. The hyperfine coupling tensors were …
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The effect of uniaxial stress on the electron paramagnetic resonance of ruby
… may be ascertained from the shift of the resonance field with strain at various directions in the crystal as a function of the angle between the applied magnetic field and the c-axis of the crystal. The strain in the sample is measured using four strain gages; one bonded to each side of …
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The Application of Pulsed Electron Paramagnetic Resonance to the Investigation of Protein Structure
Pulsed electron-electron double resonance (PELDOR) is a pulsed electron paramagnetic resonance (pulsed EPR) technique used for measuring distances and on rare occasions orientations within biomolecular structures. Site directed spin labelling (SDSL) has provided a method for introducing EPR active …
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Instrument and Application Development in Saturation Recovery and Rapid Scan Electron Paramagnetic Resonance
… signal sensitivity by the use of Rapid Scan (RS) electron paramagnetic resonance (EPR), a technique that allows for much faster magnetic field scans than traditional field-swept techniques, has facilitated improved data acquisition for many types of samples. For example, irradiated fingernails for …
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Development of Low Frequency Electron Paramagnetic Resonance Methods and Instrumentation for Biological Applications
… field gradients, the spectral properties of paramagnetic species can be mapped. To facilitate EPR imaging, methods and instrumentation at frequencies between 250 MHz and 1 GHz were developed.</p> <p>At low spin concentrations, the rapid scan background signal is often many times larger than …
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