Now showing items 2989-3008 of 3015

    • The Vertex Algebra Vertex 

      Rapcak, Miroslav (University of Waterloo, 2019-07-19)
      This thesis reviews some aspects of a large class of vertex operator algebras labelled by $(p,q)$ webs colored by non-negative integers associated to faces of the web diagrams [1,2,3,4]. Such vertex operator algebras ...
    • Viability Profile of ex vivo Corneal Epithelial Cell Samples 

      Cira, Daniel (University of Waterloo, 2011-10-28)
      The corneal epithelium is a vital tissue which must retain its integrity to preserve vision and protect against harmful bacterial infections and other insults. Corneal disease represents the second most common cause of ...
    • Violation of an augmented set of Leggett-Garg inequalities and the implementation of a continuous in time velocity measurement 

      Majidy, Shayan-Shawn (University of Waterloo, 2019-07-11)
      Macroscopic realism (MR) is the view that a system may possess definite properties at any time independent of past or future measurements, and may be tested experimentally using the Leggett-Garg inequalities (LGIs). In ...
    • Virtues of the Visible; Voluminous Vistas & Velocities 

      Carrick, Jonathan (University of Waterloo, 2014-08-11)
      Peculiar velocities are the motions of objects in excess of that resulting from the expansion of the Universe. They arise from gravitational interactions, and as such, probe the underlying distribution of dark matter on ...
    • Visual correlates of balance and mobility in older adults: Can visual attention training improve performance? 

      Althomali, Mohammed (University of Waterloo, 2017-05-11)
      Falls among older adults is a serious problem facing our aging population. It is estimated that one in every three older adults aged 70+ fall every year; some of these experience multiple falls. Thirty five percent of ...
    • Visual Functions in Parkinson’s Disease 

      Alhassan, Mosaad (University of Waterloo, 2018-06-19)
      Background: Freezing of gait (FOG) is considered to be a motor disorder symptom that affects some Parkinson Disease (PD) patients; however, it is hypothesized that sensory systems may also be involved in FOG. Purpose: ...
    • Visual Functions in Post-Concussion Syndrome 

      Alamri, Suhailah (University of Waterloo, 2018-10-24)
      Purpose: Post-concussion syndrome (PCS) is a is a complex neurological disorder in which various concussion symptoms can last for weeks, months, or even years after sustaining the concussion. The PCS population has been ...
    • Visual optical biosensors based on DNA-functionalized polyacrylamide hydrogels 

      Khimji, Imran; Kelly, Erin Y.; Helwa, Youssef; Hoang, Michael; Liu, Juewen (Elsevier, 2013-12-15)
      Biosensors are devices that can provide quantitative or semi-quantitative analytical information about target molecules, where molecular recognition is based on biomolecular interactions. In recent years, DNA has emerged ...
    • Visualising data distributions with kernel density estimation and reduced chi-squared statistic 

      Spencer, Christopher J.; Yakymchuk, Chris; Ghaznavi, Mahmoudreza (Elsevier, 2017-11-01)
      The application of frequency distribution statistics to data provides objective means to assess the nature of the data distribution and viability of numerical models that are used to visualize and interpret data. Two ...
    • Wastewater to clinical case (WC) ratio of COVID-19 identifies insufficient clinical testing, onset of new variants of concern and population immunity in urban communities 

      D'Aoust, Patrick M.; Tian, Xin; Towhid, Syeda Tasneem; Xiao, Amy; Mercier, Elisabeth; Hegazy, Nada; Jia, Jian-Jun; Wan, Shen; Kabir, Md Pervez; Fang, Wanting; Fuzzen, Meghan; Hasing, Maria; Yang, Minqing Ivy; Sun, Jianxian; Plaza-Diaz, Julio; Zhang, Zhihao; Cowan, Aaron; Eid, Walaa; Stephenson, Sean; Servos, Mark. R.; Wade, Matthew J.; MacKenzie, Alex E.; Peng, Hui; Edwards, Elizabeth A.; Alm, Eric J.; Graber, Tyson E.; Delatolla, Robert (medRxiv, 2022-04-20)
      Clinical testing has been the cornerstone of public health monitoring and infection control efforts in communities throughout the COVID-19 pandemic. With the extant and anticipated reduction of clinical testing as the ...
    • Water Demand Forecasting Model Application 

      Lu, Junhao (University of Waterloo, 2019-01-29)
      Forecasting water demand requires quantifying potential relationships between relevant statistics and ambient conditions such as water price and weather. Dr Enouy (2018) demonstrates that discrete histograms can be ...
    • The water-sediment interactions for Hyalella azteca exposed to uranium-spiked or contaminated sediments and different overlying water chemistries 

      Alves, Lara (University of Waterloo, 2009-07-07)
      In comparison with other metals such as Cd, Cu, Pb, Ni, and Zn, little is known about uranium (U) toxicity to Hyalella azteca. There is even no national U water or sediment quality guideline yet for the protection of aquatic ...
    • Wavefront assessment and correction of the rat eye for two photon excitation therapies 

      Andrews, Ian (University of Waterloo, 2016-08-31)
      Photodynamic therapy (PDT) is a treatment in which light excites a photosensitive drug to produce oxygen radicals that kills nearby cells. Today, PDT’s is most commonly used application is for the destruction of cancerous ...
    • Waveguide Sources of Photon Pairs 

      Horn, Rolf (University of Waterloo, 2011-05-04)
      This thesis describes various methods for producing photon pairs from waveguides. It covers relevant topics such as waveguide coupling and phase matching, along with the relevant measurement techniques used to infer photon ...
    • Weak Coherent Pulse Source and Polarization Control for Quantum Key Distribution 

      Wu, Wilson (University of Waterloo, 2023-05-30)
      The Quantum EncrYption and Science Satellite will demonstrate quantum communication from space. One demonstration will be a satellite uplink using a weak coherent pulse source. This thesis will discuss work in minimizing ...
    • Wetland birds and invasive plant management 

      Zago, Marissa (University of Waterloo, 2022-08-31)
      The Great Lakes coastal wetlands are some of the most diverse ecosystems in Ontario. However, their ecological integrity is continually threatened by development, nutrient pollution, and invasive species. Over the past two ...
    • Wetting, adhesion and droplet impact on face masks 

      Melayil, Kiran Raj; Mitra, Sushanta K. (ACS, 2021-02-12)
      In the present pandemic time, face masks are found to be the most effective strategy against the spread of the virus within the community. As aerosol-based spreading of the virus is considered as the primary mode of ...
    • What can detectors detect? 

      Henderson, Laura (University of Waterloo, 2021-01-29)
      This thesis is focused on using a pair of Unruh-DeWitt detectors, which interact locally with a quantum field, to gain information about properties of the field and the underlying spacetime. First, we consider a massless ...
    • Wigner negativity on the sphere 

      Davis, Jack (University of Waterloo, 2023-08-15)
      The rise of quantum information theory has largely vindicated the long-held belief that Wigner negativity is an indicator of genuine nonclassicality in quantum systems. This thesis explores its manifestation in spin-j ...
    • Wild fish responses to wastewater treatment plant upgrades in the Grand River, Ontario 

      Nikel, Kirsten Ellen (University of Waterloo, 2020-09-24)
      Municipal wastewater treatment plant (WWTP) effluent is a major point source of contaminants (nutrients, pharmaceuticals, estrogens, etc.) which can harm aquatic life. Many studies have investigated the effects of WWTP ...

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