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Charged Entities Interacting with Electronically Responsive Structures with Implications for the Modeling of Interactions between Carbon Nanotubes and DNA
DownloadFall 2011
Understanding interactions between charged entities with electronically responsive structures embedded in an electrolytic environment is important because of the diverse range of practical applications. This study was motivated by the technique where single stranded DNA was used to separate...
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Development and Analysis of Magnetic Carbon Nanotube and Microbubble-Assisted High Centrifugation Field Techniques For The Increase of Cell Membrane Permeability
DownloadSpring 2014
To cure diseases at the gene level, therapeutic biomaterials need to enter the cells. However, since the cell membrane is a highly selective structure, its permeability is usually very low. In this thesis, we propose two innovative and efficient methods to increase cell membrane permeability....
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Spring 2011
Accumulative roll bonding was adapted to fabricate a carbon nanotube reinforced aluminum matrix composite. The microstructure was investigated by transmission electron microscopy, and it was confirmed that the nanotubes were embedded into the metal matrix while maintaining their multiwalled...
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Fall 2015
Immune models have been highlighted in nanotoxicology for their applicability in understanding the effects of both accidental exposure (e.g. environmental exposure) and therapeutic exposure (e.g. targeted drug delivery) to nanomaterials (NMs). The experiments presented here examine the...
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Spring 2012
Low energy electron point source (LEEPS) microscopy is the simplest embodiment of an electron microscope, consisting of only a source, a sample and a detector. In a specific regime, LEEPS may also be used to create in-line holograms; special interference patterns that contain the information...
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Metal particle catalyst formation from thin films for the creation of vertically aligned carbon nanotube structures
DownloadFall 2011
This work contains research associated with the metal catalysts used in the formation of vertically aligned carbon nanotube (VACNT) films through catalytic chemical vapour deposition (CCVD). The solid-state dewetting process of thin metal films is studied using Ni. In the dewetting process, grain...
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Microstructure-property correlation in magnesium-based hydrogen storage systems- The case for ball-milled magnesium hydride powder and Mg-based multilayered composites
DownloadSpring 2011
The main focus of this thesis is the characterization of defects and microstructure in high-energy ball milled magnesium hydride powder and magnesium-based multilayered composites. Enhancement in kinetics of hydrogen cycling in magnesium can be achieved by applying severe plastic deformation. A...
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Spring 2016
Hybrids formed by biological entities and human-made nano-structures have been intensively studied in recent years due to their very interesting properties and applications. DNA-carbon nanotube (CNT) hybrid is one such material and the motivation of this PhD study. The interaction of DNA building...
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Fall 2014
Electrons, the fundamental charge carriers in solid-state devices, possess three intrinsic properties: mass, charge and spin. Spin is a quantum mechanical property, but can be loosely visualized as a tiny “intrinsic” magnetic dipole moment attached to an electron. In conventional electron...
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Synthesis of millimeter-scale carbon nanotube arrays and their applications on electrochemical supercapacitors
DownloadFall 2010
This research is aimed at synthesizing millimeter-scale carbon nanotube arrays (CNTA) by conventional chemical vapor deposition (CCVD) and water-assisted chemical vapor deposition (WACVD) methods, and exploring their application as catalyst supports for electrochemical supercapacitors. The growth...