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 160 for “"Intrinsic properties"”.
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Intrinsic properties of bone as predictors of differential survivorship
Investigating intrinsic properties as determinants of bone survival has major implications in forensic anthropology. It is useful in the incomplete recovery of a skeleton to know if certain bones that are missing are those that are expected to be missing. Assuming complete recovery, individual …
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Intrinsic Properties and Neuromodulator Regulation of Neuronal Excitability of Intralaminar Thalamic Neurons
… Based on morphological and electrophysiological properties, I found two distinct subtypes of neurons: diffuse and bushy. Diffuse neurons are characterized by a small number of long, poorly branched dendrites and these neurons are the most prevalent subtype in the parafascicular nucleus. Bushy …
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An investigation into the sapstaining intrinsic properties of selected rubberwood (Hevea brasiliensis) clones
The general physical and chemical properties of rubberwood have been studied, as have the general relative levels of tolerance of sapstain fungi. New rubberwood clones have been recommended for planting since 1967. It is therefore timely to examine clonal differences in sapstaining properties of …
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Studies of intrinsic properties of gamma ray bursts detected by the HETE-II satellite
… is discussed with the aim of understanding the intrinsic properties of gamma-ray bursts (GRBs). A technique is developed that allows the simultaneous estimation of source and background counts during a burst with coded aperture instruments such as the Wide-field X-ray Monitor (WXM) on HETE-II. A …
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Novel roles of striatal enriched protein phosphatase (STEP) in neuronal intrinsic properties and homeostatic synaptic plasticity
… In addition, whether STEP regulates somatic intrinsic properties of hippocampal pyramidal neurons has to be addressed. This dissertation is focused on finding novel roles of STEP in homeostatic adjustment of synaptic strength and neuronal intrinsic properties in the hippocampus. The first …
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Studies Toward A Detailed Understanding Of The Intrinsic Properties Of Nucleic Acid Constituents: Gas-Phase Conformations, Energetics, And Glycosidic Bond Stability
<p>The gas-phase conformations of the protonated forms of the nucleic acid constituents: nucleosides and mononucleotides, were characterized by infrared multiple photon dissociation (IRMPD) action spectroscopy and theoretical calculations. The IRMPD spectroscopy experiments were performed using a …
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Intrinsic cytometry based on computational microscopy
… of understanding cells, we propose to study the intrinsic properties of individual cells by combining visual observation from large field-of-view computational microscopy with separation of cells via an integrated label-free microfluidic platform. This intrinsic cytometry will benefit from the …
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Regulation of voltage-gated K+ currents in motor neurons: activity-dependence and neuromodulation
… by extrinsic modulation as well as modulation of intrinsic properties of individual neurons, mediated by activity-dependent changes in the expression levels of voltage-gated ionic currents. Activity-dependent regulation of ionic currents is a mechanism by which electrical output of a neuron feeds …
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Zero-set spaces and Pseudocompactness
We are concerned in this thesis with the intrinsic properties of zero-set spaces and their relationship to other topological-type structures. Our definition of a z-space coincides with that of Gordon's zero set space without the point separation axiom. It is of interest that C:a11fell also omits …
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On the topological properties of the vibrations of solids
This thesis presents the study of the topological properties in the atomic vibrations in solids. The state-of-the-art quantum mechanical simulation techniques are presented first to accurately describe the band structures of electrons and vibrational spectra of nuclei for topological analysis. Two …
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Structure-property relations of nanostructured carbon systems as a function of processing
Due to their intrinsic properties and nanometer scale, carbon nanotubes (CNTs) are commonly used to enhance the material properties of engineering materials. However, structural defects can significantly alter the intrinsic properties of CNTs, thereby limiting the physical properties of aligned CNT …
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The investigation of intrinsic spectral and temporal properties of gamma-ray bursts
… have started to decern information regarding the intrinsic properties of these events. In this thesis, I present a compilation of research describing our efforts to investigate the intrinsic properties of GRBs. The thesis is broken down into chapters including an introduction to the field of GRB …
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A Platform for Fast Detection of Let-7 Micro RNA Using Polyaniline Fluorescence and Image Analysis Techniques
… hybridization events through modulating intrinsic properties of the electroconductive polymer polyaniline (PANI). When DNA based probes electrostatically interact with PANI, its fluorescence properties are increased, a phenomenon that can be enhanced by UV irradiation. Hybridization of …
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Interplay of porous media and fracture stimulation in sedimentary enhanced geothermal systems : Red River Formation, Williston Basin, North Dakota
… 1) to determine the spatial variation of the intrinsic properties of the Red River Formation across the study area, and 2) to understand the natural fracture orientation/location in the subsurface of the study area. Maps of the intrinsic properties of the Red River Formation-- including depth …
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A novel solvent-free high shear technology for the preparation of pharmaceutical cocrystals
… control of cocrystals polymorphism utilising the intrinsic properties of lipids was also investigated in this project. Different cocrystal pairs were prepared by both cocrystallisation methods using glycol derivative polymers. Thermal analysis, powder X-ray diffraction and Raman spectroscopy were …
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Ultrafast Dynamics of Individual Air-Suspended Single-Walled Carbon Nanotube
… understanding of the electronic and optical properties of single-walled carbon nanotubes (SWCNTs) will no doubt benefit future technological applications. Since the discovery of band gap photoluminescence from isolated semiconducting SWCNTs, significant progresses in studying the optical …
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Time-dependent analysis of cable-stayed bridges
… In a concrete cable-stayed bridge, concrete properties change with time causing a change in the position of the neutral axis. In different parts of a concrete bridge creep and shrinkage develop at different rates which depend upon various environmental factors and the intrinsic properties of …
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The expression and functional analysis of neurite outgrowth inhibitors in the nervous system of Xenopus laevis
… or failure of axon regeneration lie in the intrinsic properties of the injured neurons, as well as the surrounding microenvironment of the transected axon. Mammalian neurons may lack the intrinsic ability to survive after trauma, or to re-express genes required for axonal regrowth. Moreover, …
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Parametrization-independent elliptic surface grid generation
… surface grid generation which is based on intrinsic properties of the surface and not the parameterization that describes the surface. Previous work has based the surface grid generator on the parametric space of the specific surface parameterization at hand, but this often leads to …
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A Conceptual Framework for Investigating Test Item Performance With the Mantel-Haenszel Procedure
… educational opportunity, and/or some intrinsic properties of achievement test items has not been resolved.
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