Browsing Theses by Title
Now showing items 7606-7625 of 14746
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Investigation of β-xylosidase, α-L-arabinofuranosidase and acetylesterase from Thermotoga hypogea
(University of Waterloo, 2008-09-03)Hemicellulases are key components in the degradation of plant biomass and carbon flow in nature. Thermotoga hypogea is a bacterium that can grow anaerobically at 90°C. It utilizes carbohydrates and peptides as energy and ... -
An Investigation on Passive Inter-Modulation generated by antenna contact
(University of Waterloo, 2017-09-06)In modern day handheld cellular devices, low-profile is a key design target. In addition, with the introduction of 4G protocols, the number of cellular bands has increased significantly and the simultaneous transmission ... -
Investigation on performance enhancement of micro-sized IR photodetectors
(University of Waterloo, 2021-09-16)As an Infrared detector with high responsivity, high transmission speed, and low dark current, InP/InGaAs p-i-n photodetectors (PD) have been used as a promising technology for many applications, including optical communication ... -
Investigation on Reaction Mechanisms of Nano-energetic Materials and Application in Joining
(University of Waterloo, 2019-01-23)Nano-energetic materials, also known as metastable intermetallic composites (MICs), have shown promise in applications such as propellants, pyrotechnics, and explosives. The work in this thesis pursues a deep understanding ... -
Investigation on the Compress-and-Forward Relay Scheme
(University of Waterloo, 2012-01-20)The relay channel plays an integral role in network communication systems. An intermediate node acts as a relay to facilitate the communication between the source and the destination. If the rate of codewords is less than ... -
Investigation on the Effects of Fastening Parameters on the Handle Displacement of a Pistol Grip Tool
(University of Waterloo, 2023-01-23)Workers in automotive assembly lines routinely use DC-powered pistol grip tools to install threaded fasteners. While these tools are easy to use and increase production quality, tool operators are subjected to impulsive ... -
Investigation on the implications of passive fire barriers on the fire fighting tactics of the Royal Canadian Navy
(University of Waterloo, 2022-03-28)The Royal Canadian Navy (RCN) is currently in the process of recapitalizing the fleet under the National Shipbuilding Strategy (NSS). This will result in a modern fleet that includes new marine safety requirements that did ... -
Investigation on using Supercritical Carbon Dioxide as Desorbing and Reaction Medium in the Surfactant Production Process
(University of Waterloo, 2007-05-22)To date, an estimated 70% of energy consumed comes from fossil fuels, such as coal, oil and natural gas. The major source of sulfur dioxide (SO2) emissions comes from combustion of these fossil fuels. Sulfur dioxide is a ... -
Investigations into Cellulolysis in Carbon Amended Tailings
(University of Waterloo, 2011-05-24)Modified cellulase enzyme assay methods were developed to determine the potential of using enzyme activities to evaluate the decomposition of organic matter in carbon amended mine tailings systems. Cellulase assays are ... -
Investigations into food web structure in the Beaufort Sea
(University of Waterloo, 2017-12-18)The effects of climate change on marine ecosystems are most pronounced in the Arctic, where ice free summers have been predicted to occur by mid-century. Climate-related changes to sea ice phenology, oceanographic habitat ... -
Investigations into Impedance Tuners for the Next Generation of Communication Systems
(University of Waterloo, 2023-01-03)Novel communication systems, including 5G and the upcoming 6G cellular networks and software defined/cognitive radio technologies, call for compact, multi-band, and reconfigurable circuit components. Specifically, stringent ... -
Investigations into Intracellular Thiols of Biological Importance
(University of Waterloo, 2007-02-01)The presence of thiols in living systems is critical for the maintenance of cellular redox homeostasis, the maintenance of protein thiol-disulfide ratios and the protection of cells from reactive oxygen species. In addition ... -
Investigations into quantum light-matter interactions, their approximations and applications
(University of Waterloo, 2021-01-26)Devoting some thought to the interactions between light and matter quickly conjure a myriad of different possibilities; different models for light and matter, different possible interaction Hamiltonians, different simplifying ... -
Investigations into Streptomyces azureus Thiostrepton-resistance rRNA Methyltransferase and its Cognate Antibiotic
(University of Waterloo, 2008-12-16)Thiostrepton (TS: TS; C72H85N19O18S5) is a thiazoline antibiotic that is effective against Gram-positive bacteria and the malarial parasite, Plasmodium falciparum. Tight binding of TS to the bacterial L11-23S ribosomal RNA ... -
Investigations into the toxicity and toxicokinetics of individual and binary mixtures of CCME petroleum hydrocarbon distillates in soil
(University of Waterloo, 2012-05-18)The Canada-wide Standards for Petroleum Hydrocarbons (PHC CWS) in soils are remedial standards based on four petroleum distillates (Fraction 1 [F1; ECN C6-C10], Fraction 2 [F2; ECN >C10-C16], Fraction 3 [F3; ECN >C16-C34], ... -
Investigations of Bacterial Methionine Aminopeptidase
(University of Waterloo, 2009-10-05)The pathway representing methionine integration and excision is an increasingly important target in drug design. Methionine aminopeptidase (MetAP), a metalloprotease responsible for cleaving the N-terminal methionine from ... -
Investigations of InAsP/InP Semiconductor Devices for Quantum Communication Technologies
(University of Waterloo, 2015-01-19)This thesis presents a set of magnetotransport experiments which explore the advantages of InAsP/InP quantum well material and quantum dot structures for spin/photon devices, with a view towards quantum communication. The ... -
INVESTIGATIONS OF KINETIC ASPECTS IN NITROXIDE-MEDIATED RADICAL POLYMERIZATION OF STYRENE
(University of Waterloo, 2007-09-24)An experimental and modeling investigation of nitroxide-mediated radical polymerization (NMRP) of styrene using 2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO) as controller is presented. The objective was to examine the ... -
Investigations of Magnetic Model Systems Using Coupled Cluster Based Approaches
(University of Waterloo, 2017-08-23)Over the past decades, the quantum mechanical description of magnetic phenomena has been well developed. However, the first principle calculations of the physical properties of magnetic systems is still a challenge. One ... -
Investigations of the Natural Product Antibiotic Thiostrepton from Streptomyces azureus and Associated Mechanisms of Resistance
(University of Waterloo, 2013-03-11)The persistence and propagation of bacterial antibiotic resistance presents significant challenges to the treatment of drug resistant bacteria with current antimicrobial chemotherapies, while a dearth in replacements for ...