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 “"OCE"”.
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Clinical Translation of Dynamic OCE for Corneal Biomechanical Assessment
… dynamic optical coherence elastography (OCE) for spatially-resolved quantification of human corneal biomechanics in vivo. Methods: An air-pulse–based OCE system was adapted for noninvasive clinical assessment of corneal elastic modulus. Corneal mechanical waves generated by low-pressure …
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Development of Surface Acoustic Wave Optical Coherence Elastography (SAW-OCE) for Soft Tissue Characterisation
… wave optical coherence elastography (SAW-OCE) to provide high-resolution microstructure images and quantitative mechanical property estimates of skin tissues for aiding skin disease diagnosis.<br/><br/>In this research project, contact mechanical stimulations and non-contact ultrasound …
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Heartbeat Optical Coherence Elastography: A Method for Passive Biomechanical Assessment of the Cornea
… heartbeat optical coherence elastography (Hb-OCE). This technology enables mechanical characterization of the cornea with applications in disease detection, staging, and therapeutic monitoring. This dissertation explores the development and evolution of the Hb-OCE technique and is divided …
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Magnetomotive optical coherence tomography and elastography with applications in magnetic thermotherapy dosimetry
… magnetomotive optical coherence elastography (MM-OCE). In this thesis, the theranostic functionality of MNPs are exploited, where the biomechanical alterations of the MT-treated tissues were probed by MM-OCE; thereby providing a biophysically informative evaluation of the thermal damage. Treated …
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Assessing the Biomechanical Properties of Cornea using Optical Coherence Elastography
… in vivo using optical coherence elastography (OCE); 2) assessment the biomechanical properties of mouse corneas of different ages in vivo using air-pulse OCE; 3) the development of a method to spatially map the localized elasticity of the rabbit cornea in situ after partial riboflavin/UV-A …
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Characterizing Corneal Biomechanical Properties Using Dynamic Optical Coherence Elastography
Purpose: Optical coherence elastography (OCE) quantifies the tissue’s biomechanical properties through mechanical loading and imaging the tissue response using optical coherence tomography (OCT). Current techniques evaluating corneal stiffness do not account for the influence of key physiological …
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Magnetomotive optical coherence elastography for biomedical applications
… magnetomotive optical coherence elastography (MM-OCE). Biomechanical properties are important because they relate to the tissues’ state of health and they can be utilized for monitoring changes due to pathological processes or therapeutic treatments. In optical coherence tomography (OCT), the …
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Micro-motion detection by optical coherence tomography (OCT) and its clinical applications
… properties resulting from an appropriate image processing.<br/><br/>Concerning imaging techniques, this thesis focused on optical coherence tomography (OCT) and in particular on phase-sensitive optical coherence tomography (PhS-OCT). In this thesis, a PhS-OCT system is developed for micro-motion …
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Elastic Characterization of <i>ex vivo</i> Human Prostate Tissue Using Vibration Optical Coherence Elastography and Second Harmonic Generation Microscopy
… ultrasound (TRUS) guided biopsies. The TRUS procedure follows by the Gleason scoring that usually requires the expertise of a trained histopathologist. However, an inter-observer variation exists between two histopathologists besides a large discrepancy existing on initial biopsy and after the …
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Characterization of in vivo human skin in response to mechanical indentation using optical coherence tomography
… such as optical coherence elastography (OCE) and Doppler OCT, are demonstrated to assess the stiffness and fluid dynamics of in vivo human tissue as well. The OCE results successfully reveal the stiffness at different anatomical sites, and the Doppler OCT shows the existence of the …
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Multi-Functional Optical Coherence Tomography Assesses Skin Involvement in Systemic Sclerosis
… changes. Optical coherence elastography (OCE), an extension of OCT, can enhance assessment by measuring the mechanical properties of skin. Additionally, OCT angiography (OCTA), another extension of OCT, can map the microvasculature affected by SSc, offering another dataset. In my …
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Shear Wave Elastography Based on Optical Coherence Tomography
… as quantitative optical coherence elastography (OCE) is a new research field, promising high-resolution quantitative elastography information with minimal contact that is not achievable by other imaging modalities.<br/><br/>The aim of the thesis is to develop a multiple-functional OCT system to …
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Development of UK legislation Guidance for Research Medical and In Vitro Diagnostic Devices
… completed, this documentation will show that the OCE system complies with the legislative exemptions after review.
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Empirical applications of price transmission in international agri-food supply chains
… agricultural commodity (farmer), producer (processor) and consumer (retailer) prices from nineteen European countries, covering the period 01.2005 to 03.2015, are utilized. The period is split into two sub-periods, before and after the 2008 CAP Health Check (i.e. 01.2005 to 12.2008 and 01.2009 …