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 118 for “"Biological tissue"”.
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Techniques in deep imaging within biological tissue
… with the development of low-cost and practical biological optical imaging and diagnosis systems that will allow the user to image and resolve structure deep into biological tissue without the need for physical dissection. Research within this thesis can be divided into two main sections, namely …
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Laser induced plasma ablation of biological tissue
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Physics, 1985.
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Instrumentation to characterize needle insertion into biological tissue
… characterize the insertion of micro needles into biological tissues. Hence, instrumentation will be designed and fabricated for the characterization of micro needle insertion. This thesis focuses on the design and fabrication of such instrumentation. The instrument is multi-modal, multi-axis, …
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Photothermal effects of pulsed laser irradiation of biological tissue
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1997.
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Fundamental mechanisms of pulsed laser ablation of biological tissue
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1994.
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Exploring Immersed FEM, Material Design, and Biological Tissue Material Modeling
… the modeling and parameterization of lung tissue for Diver Underwater Explosion (UNDEX) simulations. In the first part, a shape optimization scheme utilizing a four-noded rectangular immersed-interface element is presented. This method eliminates the need for interface fitted mesh or mesh …
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Developments in 2D NMR relaxometry and its application to biological tissue
… NMR relaxometry to distinguish between different biological tissues is established using fresh unpreserved samples of lamb’s liver and kidney. A novel use of 2D T1-T2 relaxation spectra to provide characteristic profiles of specific tissues in specific states of health is proposed and tested in …
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Mechanical characterisation of soft biological tissue by using surface acoustic waves
… in assessing physiologic conditions of biologic tissue for medical diagnosis or disease progression tracking. Surface acoustic waves (SAWs) have been preliminarily used for the characterisation of tissue mechanical properties and it is increasingly becoming a topic of research interest as SAWs …
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The role of chromophore on pulsed laser ablation of biological tissue
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1997.
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Development of a Tubular Biological Tissue-Engineered Heart Valve with Growth Potential
This thesis investigates tissue-engineered cardiovascular devices for pediatric patients and their function and growth potential in preclinical testing. Specifically, engineered tissue tubes were fabricated by entrapping dermal fibroblasts in a fibrin gel and allowing them to replace it with …
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Pulsed laser ablation of calcified biological tissue : physical mechanisms and clinical applications
Thesis: Ph. D., Massachusetts Institute of Technology, Department of Nuclear Engineering, 1991
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New mathematical models of inert gas transport through biological tissue in hyperbaric environments
… analysis of inert gas transport through biological tissue at a raised ambient partial pressure. Three basic time-scales of transport in tissue are defined and their relationship examined and compared with existing models, which e.re shown to be usually inadequate in one or more ways. As a …
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In situ chemical analysis of biological tissue--vibrational Raman spectroscopy of human atheroschlerosis
Thesis (Ph. D.)--Massachusetts Institute of Technology, Whitaker College of Health Sciences and Technology, 1992.
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Measurement of blood analytes in turbid biological tissue using near-infrared Raman spectroscopy
… the distribution of the Raman signal from turbid biological samples. A high sensitivity system for Raman spectroscopy of blood analytes was designed by optimizing the optical components. The new system had higher collection efficiency than the previous state-of-the-art system. Experiments were …
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Localized Mechanical Compression as a Technique for the Modification of Biological Tissue Optical Properties
Tissue optical clearing aims to increase the penetration depth of near-collimated light in biological tissue to enhance optical diagnostic, therapeutic, and cosmetic procedures. Previous studies have shown the effects of chemical optical clearing on tissue optical properties. Drawbacks associated …
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Three-dimensional impedance map analysis of biological tissue to elucidate small-scale acoustic scattering behavior
… computational models of acoustic impedance of tissue constructed from a series of adjacent histology images. The power spectrum of a 3DZM can be analyzed to estimate model-based quantitative ultrasound parameters such as effective scatterer diameter (ESD) and effective acoustic concentration …
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A Study of the Thermal Behavior of Living Biological Tissue With Application to Thermal Control of Protective Suits
Made available in DSpace on 2014-12-10T22:48:11Z (GMT). No. of bitstreams: 1 7121226.pdf: 7095332 bytes, checksum: 8e5bd3aac945d59e5abd02b0a257caa8 (MD5) Previous issue date: 1971
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Orbital And Spin Angular Momentum Light Generation, Interactions, Special Photons, And Applications In Liquids, Solids, Vapors And Biological Tissue Media
… interactions. The goal is to probe fundamental biological, chemical and physical processes in materials such as biological tissues, liquids, solids, and vapors. Our results will include new interpretations of the interaction and effect that OAM and SAM on chiral and non-chiral materials, where …
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Biological tissue mechanics with fibres modelled as one dimensional Cosserat continua: applications to cardiac tissue in healthy and diseased states
Classically, the elastic behaviour of cardiac tissue mechanics is modelled using anisotropic strain energy functions capturing the averaged behaviour of its fibrous microstructure. The strain energy function can be derived via representation theorems for anisotropic functions where a suitable …
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