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 15 of 15 for “"Noninvasive monitoring"”.
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Accurate noninvasive monitoring of fetal tissue oxygenation level
… mother. To address this concern, we present a noninvasive method for precise fetal oxygenation level monitoring using time-of-flight near-Infrared Spectroscopy (ToF-NIRS). Our method is the first to achieve accurate, multichannel signal separation from two distinct layers. We conducted Monte …
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Ultrasound-based Noninvasive Monitoring Methods for Neurocritical Care
… damage to neural tissue. Existing neuromonitoring methods used for patients with severe head injury tend to be highly invasive and carry a risk of tissue damage and infection. To advance the field of clinical neuromonitoring, we developed a set of ultrasound-based noninvasive methods for …
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Noninvasive Monitoring of CCl4 Induced Acute and Chronic Liver Damage in Rat by Single Quantum and Triple Quantum Filtered 23Na Magnetic Resonance Imaging
… in the functional assessment of liver in noninvasive approach, and could be a promising diagnostic modality for liver diseases in clinical area.
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Noninvasive optoacoustic monitoring of blood oxygenation in large blood vessels
Continuous monitoring of cerebral blood oxygenation is critically important for successful treatment of patients with severe traumatic brain injury and patients undergoing cardiac surgery. At present, the techniques for monitoring blood oxygenation are invasive. We propose the noninvasive …
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Graphical interface for quantitative monitoring of 3D MRI data
… in magnetic resonance imaging allows for the noninvasive monitoring of cartilage for disease progression, effects of lifestyle change, and results of medical interventions. In particular, the dGEMRIC technique has been used. Prior dGEMRIC data have been two-dimensional. Magnetic resonance …
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Multi-parametric photoacoustic/ultrasound localization (PAUL) imaging and its applications
Noninvasive biomedical imaging technologies play a critical role in medical diagnostics, yet each modality has inherent limitations in spatial resolution, functional sensitivity, or molecular specificity. Hybrid imaging approaches have been developed to address these limitations, providing …
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Spectroscopy versus turbidity: non-invasive in vivo monitoring of living systems
… overall aim is to advance the use of light for noninvasive monitoring of living systems generally defined. We first describe work used to test a methodology for real-time probing of chemical and physical changes in spinal cords in the immediate aftermath of a localized contusive injury by way of …
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Conservation genetics of conflict in the Asian elephant, Elephas maximus
… and elephants, research increasingly relies on noninvasive monitoring combined with a diverse assemblage of genetic tools. This dissertation uses conservation genetics to evaluate major conflict and conservation issues for Asian elephants. The first study, in the Bago Yoma region of Myanmar, …
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Modeling of light propagation in skin, and an application to noninvasive diagnostics
… from a device capable of providing continuous noninvasive monitoring of their blood glucose levels. At present, diabetics rely on pricking their finger to obtain a blood sample which in turn is placed upon a test strip. Life long finger pricking is often accompanied by chronic infections and …
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Ultrasound tissue perfusion imaging
… imaging is a safe and economical modality for noninvasive monitoring of blood flow. However, weak blood echoes make it difficult to detect perfusion using standard methods without the expense of contrast enhancement. Additionally, imaging requires high sensitivity to slow, disorganized …
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Understanding Variability in Older adults using Inertial Sensors
… emerging wearable technology that can facilitate noninvasive monitoring of fall prone individuals in clinical settings. This research examined the potential of inertial sensors for use in clinical settings, and evaluated their effectiveness in comparison to mature laboratory systems (i.e., force …
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Computational Modeling Approaches For Task Analysis In Robotic-Assisted Surgery
… many possible approaches, those that provide noninvasive monitoring of expert surgeon and have the ability to automatically evaluate surgeon's skill are of increased interest. Therefore, in this dissertation we develop a predictive framework for surgical skill assessment to automatically …
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Expanding the accuracy, resolution, and breadth of cell-free DNA investigation
… of molecule serves as a powerful biomarker for noninvasive detection and monitoring of disease processes and physiological conditions, including pregnancy, organ transplantation, and a growing number of cancers. Despite this promise, current methods for interrogating cfDNA are challenged by …
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The design, development and testing of a non-invasive continuous crystalliser system for the study of calcium oxalate crystallisation processes
… measurement of the sample dispersion using a noninvasive monitoring instrument - a Malvern Particle Size Analyser. In this technique, measurement of the steady state crystal size distribution is based on a diffraction pattern produced by the particles in a parallel beam of monochromatic light. …
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Efecto de los recubrimientos ungueales sobre la precisión de la pulsioximetría en adultos sanos: estudio piloto
La pulsioximetría es una herramienta fundamental para la monitorización no invasiva de la saturación de oxígeno periférica (SpO₂); sin embargo, la posible interferencia de recubrimientos ungueales como esmaltes y uñas acrílicas continúa siendo motivo de debate en la práctica clínica. Este estudio …