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 16 of 16 for “"Resonance methods"”.
-
Understanding transport processes of organic semiconductors via magnetic resonance methods
… in microscopic scales. The electron spin resonance method excites the precession of spins under microwaves and explores the possibility of obtaining information from spin by measuring the microwave power absorption/emission. However, the applicability of this method on organic devices is …
-
Pulse and Double Resonance Methods in Nuclear Quadrupole Resonance Spectroscopy
Made available in DSpace on 2015-05-13T15:17:41Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7524327.PDF: 10958022 bytes, checksum: 6fd0c4504d3ccf83ee503f6afe9665c6 (MD5) Previous issue date: 1975
-
High-frequency time domain electron paramagnetic resonance : methods and applications
… 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 EPR allows for the …
-
Nuclear Quadrupole Double Resonance Methods and Their Application to Boron-Trichloride
Made available in DSpace on 2014-12-13T20:10:42Z (GMT). No. of bitstreams: 1 8004166.pdf: 7753927 bytes, checksum: 2b205b0c533bc9dca110bb545eb0327b (MD5) Previous issue date: 1979
-
Study of Adsorbate Interactions of Alumina Surfaces Using Nuclear Magnetic Resonance Methods
Gamma type alumina (gamma-Al2O3) is a fundamental material in heterogeneous catalysis with a growing demand for environmentally benign solid acid catalysts to replace toxic and corrosive liquid solvents for a wide range of applications including renewable energy production, fine chemicals and …
-
Development of Low Frequency Electron Paramagnetic Resonance Methods and Instrumentation for Biological Applications
… 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 the EPR signal of interest. To help remove the background …
-
Biomolecular Solid-State Nuclear Magnetic Resonance Methods for Spectral Assignment and High-Resolution Structure Determination of Proteins
Multidimensional solid-state nuclear magnetic resonance (SSNMR) experiments for the elucidation of structure in microcrystalline proteins are presented, utilizing the streptococcal beta-1 immunoglobulin binding domain of protein G (GB1) as a model protein. Complete 13C and 15N chemical shifts are …
-
Exploration of Alkyne-bridged Multi[(Porphinato)metal] Oligomers for Charge Transport Applications and Spin-Spin Exchange Coupling Properties Using Synthetic, Spectroscopic, Potentiometric, and Magnetic Resonance Methods
… as well as the basics of electron paramagnetic resonance (EPR). Chapter two describes utilizing highly conjugated (porphinato)metal-based oligomers (PMn structures) as molecular wire components of nanotransfer printed (nTP) molecular junctions; electrical characterization of these “bulk” nTP …
-
Nuclear Quadrupole Double Resonance Spectroscopy: Studies of Hydrogen Bonding and Metal-Nitrogen Interactions
… brought a renewed interest in nuclear quadrupole resonance (NQR) spectroscopy. This attention stems from the advent of double resonance methods capable of observing with high sensitivity the weak quadrupole resonances. Through double resonance NQR much new and useful information regarding the …
-
Magnetic resonance characterization of gadolinium-based contrast agents
Several magnetic resonance methods have been used for characterizing gadolinium-based contrast agents in NMR Imaging in this thesis. Many Gd-based contrast agents were studied including Gd DTPA(dimethylenetriaminepentaacetic acid). The zero field splitting energies and g values of Gd complexes were …
-
Solid-State NMR: investigations of biomolecular structure
Solid-state nuclear magnetic resonance methods were used to characterize the structure of biological molecules in lyophilized and hydrated environments with and without the presence of other molecules such as drugs, lipids, and surfaces. Revealing the structure of biomolecules by mimicking its …
-
Investigations of metalloenzymes involved in bacterial natural product biosynthesis
… spectrometry, and nuclear magnetic resonance methods. The results of these studies resolved a conflict in the literature about the stereochemistry of the product and supported a longstanding mechanistic hypothesis in which B12 serves as an intermediate methyl carrier, receiving a …
-
Novel Magnetic Resonance Techniques as Applied to Metallic Phases in Lithium-Ion Battery Electrodes
… of the metallic phases were probed by magnetic resonance methods: Electron Paramagnetic Resonance (EPR), Nuclear Magnetic Resonance (NMR) and Dynamic Nuclear Polarisation (DNP), as well as magnetic property measurements, all at variable temperature (VT). In addition to providing insight about …
-
Dielectric dispersion in dilute cellulose acetate solutions
… the necessary precision. The use of ordinary resonance methods was desirable, but they are limited by the practical sizes of the components to frequencies well above the lowest frequencies which were expected to be encountered. As a result of these limitations, a modified resonance procedure …
-
Label-free carbon nanotube sensors for glycan and protein detection
… labeling or glycan liberation steps. Current methods of profiling oligosaccharides displayed on protein surfaces, such as liquid chromatography, mass spectrometry, capillary electrophoresis, and microarray methods, are limited by sample pretreatment and quantitative accuracy. Microarrayed …