Search for dissertations about: "Phase contrast"
Showing result 6 - 10 of 532 swedish dissertations containing the words Phase contrast.
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6. Ultrasound Contrast Agents Loaded with Magnetic Nanoparticles : Acoustic and Mechanical Characterization
Abstract : The current methodologies in body scanning diagnostic uses different simultaneous imaging modalities like Ultrasound (US), magnetic resonance imaging (MRI), single photon emission tomography (SPECT) and positron emission tomography (PET). The field requires combination of different modalities for effective use in clinical diagnostics. READ MORE
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7. Polymer-shelled Ultrasound Contrast Agents : Characterization and Application
Abstract : Ultrasound-based imaging technique is probably the most used approach for rapid investigationand monitoring of anatomical and physiological conditions of internal organs and tissues.Ultrasound-based techniques do not require the use of ionizing radiation making the tests anexceptionally safe and painless. READ MORE
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8. Phase-Contrast X-Ray Carbon Dioxide Angiography
Abstract : Phase-contrast x-ray imaging is an emerging technology, which allows for imaging of smaller features than conventional absorption-based x-ray imaging, with lower radiation dose. Instead of the attenuation that is normally used in x-ray imaging, it utilizes the phase shift introduced by an object to the transmitted x-rays. READ MORE
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9. First-Principles Studies of Materials Properties : Pressure-Induced Phase Transitions & Functional Materials
Abstract : This thesis presents the first-principles studies of materials properties within the framework of the density functional theory (DFT). The thesis constitutes three main parts, i. e., pressure-induced phase transitions in solids, data-storage and clean-energy materials. READ MORE
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10. Flow quantification using MRI techniques : evaluation and correction of errors in phase-contrast angiography, and development of a method using balanced steady-state free procession sequences
Abstract : .... READ MORE