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.
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Showing 1 to 20 of 2828 for “"Magnetic resonance"”.
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Magnetic resonance microscopy
… in the reconstruction of 4D spectral-spatial magnetic resonance imaging (MRI) data. The algorithm uses n-1 successive stages of 2D filtered backprojection to reconstruct an nD image. This approach results in a reduction in computational time on the order of Nn-2 relative to the single stage …
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Prior -Information -Driven Magnetic Resonance Imaging and Magnetic Resonance Spectroscopic Imaging
The research in this thesis is aimed at addressing this issue by studying the properties and vulnerabilities of existing methods, developing new methods to overcome existing limitations, and applying new methods to biomedically relevant applications. By studying the connection among existing …
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Dynamic Magnetic Resonance Imaging
… for the dynamic image reconstruction problem in magnetic resonance imaging (MRI). The proposed imaging method, the ensemble Kalman filter, is a Monte Carlo approximation to the Kalman filter with reduced computational cost. The technique reconstructs images of snapshots taken during a cardiac …
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Nuclear magnetic resonance microscopy
… design and applications of an improved Nuclear Magnetic Resonance (NMR) microscope, which permits MRI to study small sample sizes ( < 2mm) at high resolution (up to 2[mu]m). The effects of molecular diffusion and local variations in the magnetic susceptibility in NMR microscopy are described, …
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Nuclear magnetic resonance logging
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1997.
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Cardiovascular Magnetic Resonance Guided Revascularisation
… recognised. Established Cardiovascular Magnetic Resonance (CMR) techniques already provide much of the relevant functional information and the absence of ionising radiation makes CMR ideal for serial examinations. However, new CMR techniques continue to emerge, and require appropriate …
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Magnetic Resonance Imaging of Atherosclerosis
… the severity of atherosclerosis. High-resolution magnetic resonance (MR) imaging is an emerging imaging technique, which has shown great promise in providing detailed information about plaque pathobiology besides luminal stenosis. Using a special contrast medium called ultrasmall superparamagnetic …
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Nuclear magnetic resonance readable sensors
… of molecular sensors which can be read by magnetic resonance (MR) relaxometry. MR is an advantageous bio-sensor readout because it can be determined from opaque samples and through intervening layers of matter. Wash steps can therefore be avoided in in vitro MR assays and non-invasive …
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Adaptive functional magnetic resonance imaging
Functional MRI (fMRI) detects the signal associated with neuronal activation, and has been widely used to map brain functions. Locations of neuronal activation are localized and distributed throughout the brain, however, conventional encoding methods based on k-space acquisition have limited …
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Volumetric, Magnetic Resonance-Visible, and Radiation-Sensitive Detectors For Magnetic Resonance Image-Guided Radiation Therapy
<h1>VOLUMETRIC, MAGNETIC RESONANCE-VISIBLE, AND RADIATION-SENSITIVE DETECTORS FOR MAGNETIC RESONANCE IMAGE-GUIDED RADIATION THERAPY</h1> <p>Hannah Jungeun Lee</p> <p>Advisory Professor: Geoffrey S. Ibbott, Ph.D.</p> <p>Due to the superior soft-tissue contrast of magnetic resonance imaging (MRI) …
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Magnetic Resonance Microscopy: 1. Four-Dimensional Spectral-Spatial Imaging. 2. Diffusional Effects in Magnetic Resonance Microscopy
… and REsolution) is a new method for nuclear magnetic resonance (NMR) microscopy which couples a spatially localized region of saturated magnetization to the surrounding medium via translational diffusion of spins, resulting in amplification of the total saturated magnetization by several …
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Nuclear magnetic resonance spectroscopy and ultrasound
… These changes can then be detected by nuclear magnetic resonance (NMR) in spin-lattice and spin-spin relaxation times. The objective being to develop a method capable of reducing the pulsed NMR acquisition times of slowly relaxing nuclei. The thesis describes the theoretical principles …
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High-Resolution Nuclear Magnetic Resonance Microspectroscopy
… Microcoils have been designed for higher magnetic fields (500 MHz) and also now incorporate a lock channel for longer two-dimensional (2D) experiments. Reference deconvolution and wavelet noise reduction have been used to address lineshape distortion and low signal-to-noise found in NMR …
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Nuclear Magnetic Resonance in Alkali-Metals
Made available in DSpace on 2015-05-12T17:11:47Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 0007851.PDF: 4595068 bytes, checksum: a68304a767f1725198e01e7429742e17 (MD5) Previous issue date: 1954
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Magnetic Resonance Studies of Inorganic Compounds
Made available in DSpace on 2014-12-10T23:01:08Z (GMT). No. of bitstreams: 1 7115013.pdf: 4354485 bytes, checksum: a2e070be4084800a8f66728291f06abd (MD5) Previous issue date: 1970
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Nuclear Magnetic Resonance in Alkali Metals
Submitted by Jenny Wong-Welch (wongwel2@illinois.edu) on 2013-07-18T18:55:46Z No. of bitstreams: 1 1954_holcomb.pdf: 4595068 bytes, checksum: a68304a767f1725198e01e7429742e17 (MD5)
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Multinuclear magnetic resonance studies of proteins
… modification methods were used to assign resonances from (4-F) Phe- and (4;F) Trp- hen egg white lysozyme. Next we used the fluorine labeled hen egg white lysozyme to probe the denaturing properties of hen egg white lysozyme in denaturants of guanidine chloride, trifluoroethanol, urea and …
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