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 41 for “"Imaging tools"”.
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DEVLOPEMNT OF FLUORESCENT IMAGING TOOLS FOR LIVE CELL IMAGING
… behaviors in real time. Fluorescent live cell imaging presents an appealing approach to learn about cell dynamics and function by providing specificity and high resolution. However, one of the biggest limitations of these imaging modalities is penetration depth. With advancements in studying …
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Mathematical Imaging Tools in Cancer Research - From Mitosis Analysis to Sparse Regularisation
… deals with customised image analysis tools in cancer research. In the field of biomedical sciences, mathematical imaging has become crucial in order to account for advancements in technical equipment and data storage by sound mathematical methods that can process and analyse imaging …
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THE “ATHLETIC HEART”: INSIGHTS FROM MODERN IMAGING TOOLS IN CAUCASIAN AND WEST AFRICAN ATHLETES.
… nature of any adaptation to RT; the value of new imaging technologies; the relative importance of scaling of cardiac data for differences in body size; the impact of training on the right ventricle (RV) and the fit of differential pattern of adaptation in athletes with Black ethnicity have driven …
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The use of high-resolution imaging tools for estimation of hydraulic soil properties and quantification of particulate organic matter
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-09-16 without embargo terms
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Label-Free Functional Imaging Of Platelets At Nanoscale
… last few decades, the development of advanced imaging tools (optical, electrons, conductance, and atomic force) have revealed a highly heterogeneous distribution of platelet morphologies at the microscopic scale that spreads across a thrombus. Under platelet spreading assays, the membrane …
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Label-Free Functional Imaging Of Platelets At Nanoscale
… last few decades, the development of advanced imaging tools (optical, electrons, conductance, and atomic force) have revealed a highly heterogeneous distribution of platelet morphologies at the microscopic scale that spreads across a thrombus. Under platelet spreading assays, the membrane …
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Utilizing facial scanning to screen for fetal alcohol spectrum disorder in South Africa
… artificial intelligence (AI)-assisted facial imaging tools within the South African primary healthcare. This multi-component research project comprised four elements: a scoping review, a diagnostic accuracy study, a questionnaire-based assessment of OHPs’ perceived roles in FASD screening, and …
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In vivo multi-modal imaging approaches for cancer, stem and immune cells
Introduction: Molecular imaging allows for non-invasive longitudinal visualization of cellular functions in vivo. This area of research has provided better understanding of fundamental molecular and biochemical processes, enabled optimization of pre-clinical and clinical assessments for new …
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Imaging the dynamics of soft materials at microscale and nanoscale
… great interest and importance. In this thesis, imaging tools such as bright-field and dark-field optical microscopes and liquid-phase transmission electron microscope, have been utilized to capture the dynamics of three distinct yet typical soft materials in situ at different length scales: …
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Diffusion Tensor Imaging and Quantitative Tractography of Skeletal Muscle for Microstructural Tissue Characterization
… the use of magnetic resonance diffusion tensor imaging (DTI) as a non-invasive tool to study the structure and organization of human skeletal muscle. By analyzing the diffusion of water molecules, DTI can uniquely probe the microstructure of skeletal muscle providing valuable information that …
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Three-Dimensional Ultrasound Imaging For Blood Flow Assessment In First Carpometacarpal Osteoarthritis
… diagnosis, and treatment. Current clinical imaging modalities, x-ray and magnetic resonance imaging, are limited by their soft tissue contrast, and accessibility, respectively. There is a clinical need for point-of-care imaging tools to improve OA care. This thesis reports on an …
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Multispectral canopy reflectance and digital imaging to determine maturity
… using canopy reflectance and digital imaging tools. Field experiments were conducted in 2014 and 2015 at two Missouri locations to characterize canopy characteristics of six commercial soybean [Glycine max (L.) Merr.] cultivars – two cultivars each of maturity group (MG) 3, 4, and 5 – …
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Retinal Ischemia in the In Vivo Rodent: Cellular and Vascular Characteristics
… of ischemic damage. This work has developed new tools with which to investigate retinal blood flow and glial Ca2+ signaling in health and disease. Retinal blood flow in the rat was examined by using an imaging technique known as laser speckle flowmetry (LSF) to generate two dimensional maps of …
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Label-free multiphoton microscopy for imaging transient metabolic dynamics in living cells and tissue
… of pathological conditions. While clinical imaging tools have emerged to probe metabolism at the tissue and organ level, the tools to probe metabolic dynamics at the cellular level have been slow to develop. This thesis represents a step toward realizing one such tool through the use of …
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Image-Based Biomarkers in Retinal Disease: Applications in Macular Degeneration
… a combination of non-invasive high resolution imaging techniques. High resolution imaging and sensing provides the basis for the diagnosis of most retinal diseases so effective characterization of endogenous molecular and morphological biomarkers may provide greater insight into the underlying …
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Combined ultrasound, photoacoustic and elasticity microscope for tissue engineers
… existing invasive methods like biopsy. Hence, an imaging tool for non-invasive and simultaneous evaluation of the anatomical and functional properties of the engineered tissue is needed. In this thesis, we present an advanced in-vivo imaging technology - ultrasound biomicroscopy combined with …
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The Dissociation of Location and Object Working Memory Using Fmri and Meg
… the purpose of making immediate decisions. Neuroimaging experiments of VWM provide evidence in support of a neural system mainly involving a fronto-parietal neuronal network, but the role of specific brain areas is less clear. A proposal that has recently generated considerable debate suggests …
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Characterization of in vivo human skin in response to mechanical indentation using optical coherence tomography
… tomography (OCT) is an interferometry-based imaging modality that offers an imaging resolution (cellular level) that surpasses those of most standard clinical imaging tools and has shown to be able suitable for in vivo skin imaging. Therefore, this thesis investigates OCT-guided …
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Analysis of embryonic development in Tribolium castaneum using a versatile live fluorescent labelling technique
… and to study them in depth we require advanced tools for fluorescent labelling of live embryos. In my work, I have used a transient method for strong, homogeneous and persistent expression of fluorescent markers in Tribolium embryos, labelling the chromatin, membrane, cytoskeleton or …
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Genetic and Neural Circuit Analyses of Sickness and Foraging Behaviors in C. elegans
… elegans, combined with cutting-edge genetic and imaging tools, allow us unprecedented access into the study of these behaviors. In Chapter 1, we review the literature on the neural mechanisms of sickness and foraging behaviors, covering research across model organisms, with an emphasis on …
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