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 126 for “"Biological materials"”.
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Ultraviolet Microspectroscopy of Biological Materials
Made available in DSpace on 2015-05-12T17:08:47Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 0004481.PDF: 2164678 bytes, checksum: ca769b07fe3346917f9053efb861ebb4 (MD5) Previous issue date: 1952
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The sonochemical synthesis of inorganic and biological materials
… growth, and collapse of bubbles in a liquid. New biological and inorganic materials can be synthesized using this unusual high energy source.
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Simulations of deformations and fracture of biological materials
… and fracture of soft and mineralized biological materials by using a finite element method. More specifically, we predict the deformation of a liver due to the pressure of a surgical tool. Secondly, we model the deformation of a cortical bone due to microindentation. Thirdly, we model …
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Optimal Control of Thermal Damage to Biological Materials
Hyperthermia is a cancer treatment modality that raises cancerous tissue to cytotoxic temperature levels for roughly 30 to 45 minutes. Hyperthermia treatment planning refers to the use of computational models to optimize the heating protocol to be used in a hyperthermia treatment. This thesis …
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Single particle motion of polymeric, colloidal, and biological materials
Small particles and their dynamics are of widespread interest due both to their unique properties and their ubiquity. Here, we investigate several classes of small particles: colloids, polymers, and liposomes. All these particles, due to their size on the order of microns, exhibit significant …
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Maintaining Functionality of Biological Materials during Fluid–based Manufacturing
… during processing. When inks contain functional materials such as proteins, these forces are reported to be large enough to disrupt the resulting structure and activity of the ink after printing. Yet the precise cause of this damage is poorly understood and factors such as adsorption and drying …
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Expanding options for the mechanical characterization of biological materials
The mechanical properties of biological tissues change over time and with disease progression, and they provide important information regarding the limits a tissue can sustain before injury. Therefore, quantifying these properties in biological materials and their synthetic simulants could be …
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Versatile, automated sample preparation and detection of contaminants and biological materials
Contamination of food, water, medicine and ingestible household products is a public health hazard that episodically causes outbreaks worldwide. Existing laboratory methods are often expensive, require a laboratory environment and/or trained staff to perform manual steps. The aim of this PhD thesis …
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Elastic properties of architectured cellular materials and biological materials (equine hoof wall)
… main topics: the mechanical behavior of cellular materials based on triply periodic minimal surfaces (TPMS) and the analytical modeling of the elastic response of a horse hoof wall. TPMS structures have smooth surfaces with no sharp corners making them promising candidates for superior mechanical …
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Stimulated emission from biological materials and novel optical resonators for diagnostic and imaging applications
… first detailed optical characterization of any biological laser, providing spectral, temporal, threshold, and polarization characteristics for the flavin mononucleotide biomolecular laser, is presented here. In addition, our investigation of natural, bio-engineered, and complex biological laser …
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3D Printing of Soft and Biological Materials: Applications to Human Cochlear Modelling and Beyond
… tool for on-demand and rapid fabrication of materials. The field of soft material printing typically utilises inks that exhibit viscoelastic properties with elastic moduli in the kPa – MPa range, such as hydrogels and elastomers. Although soft material printing has been frequently used for …
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Development Of Inlet And Vacuum Ionization Methods For Characterization Of Biological Materials By Mass Spectrometry
<p>Inlet ionization and vacuum ionization are novel ionization methods to produce electrospray ionization (ESI)-like ions from the solid or liquid states, operating from atmospheric pressure (AP) or vacuum, without the use of voltage or the necessity of high energy input such as a laser or particle …
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Separation and characterization of glycoproteins and other biological materials: from reverse micelles to capillary electrophoresis
"In this dissertation we review the use of liquid/liquid interfaces for the inhibition of biofilm formation, and explore their use for the decontamination of surfaces"--Abstract, page iv.
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Probing the effect of microstructure on water diffusion in engineered or biological materials with MRI
… technology for studying water transport in biological or engineered systems, and has been increasingly used to probe water diffusion in muscle. Because of the disparity between the length scales over which diffusion operates and MRI spatial resolution, the use of model systems is required in …
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Engineering Biological Materials for Carbon Capture and the Electrochemical Reduction of Carbon Dioxide to Light Hydrocarbons
… emissions necessitates the development of better materials for its capture, yet offers the opportunity to use purified carbon dioxide gas as an input to the electrochemical carbon dioxide reduction reaction. This reaction combines carbon dioxide, water, and electricity in the presence of …
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Measurement of the Nonlinearity Parameter B/a in Biological Materials Using the Finite Amplitude and Thermodynamic Method
It is well-known that materials exhibit a decrease in compressibility when subjected to high compression. This decrease in compressibility may be described by the nonlinearity parameter B/A. Organic liquids have been shown to possess a wide variation of the parameter, ranging from 5 to 12. This …
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Development of a flameless atomic absorption assay for mercury in biological materials and levels of mercury detected in striped bass (Roccus saxatilis) collected in the San Joaquin Delta
… method for the determination of total mercury in biological material described in this paper comprises a destruction of organic matter by wet digestion, a reduction of the mercury by stannous sulfate, and circulation of the displaced mercury vapor in a closed system directly connected with an …
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