279 Works

Bacterial Contamination of Platelet Concentrates: Role of Biofilm Formation and Manufacturing Process

Mariam Taha
Bacterial contamination of platelet concentrates (PCs) poses the highest transfusion-associated infectious risk with skin flora, such as Staphylococcus epidermidis and Staphylococcus capitis, being the predominant contaminants. These bacteria are able to form surface-attached aggregates or biofilms, which are present in the skin of healthy blood donors and can subsequently be isolated from contaminated PCs. Disinfection of the venipuncture area before donation with a combination of 2% chlorhexidine-gluconate and 70% isopropanol is used at Canadian Blood...

Theorizing Legal Needs: Towards a Caring Legal System

Benjamin Miller
Care ethics is primarily about responding to needs. Yet, surprisingly, attempts to apply the ethics of care in the domain of law have paid almost no attention to the concept of legal needs. This study fills that gap by systematically defining legal needs. It does this by revising current understandings of legal need through a unified conceptual framework for the philosophy of needs and a comparative analysis of legal action, and its major alternatives in...

Evaluating the Performance of Denitrifying Bioreactors for Removal of Agricultural Nitrate from Tile-Drainage Effluent

Corey Flemming
The application of nitrogen (N) fertilizers and manure to agricultural soil is essential for crop production, but has in turn introduced environmental impacts including: eutrophication, contamination of groundwater, freshwater acidification, and an increase in greenhouse gas emissions. The movement of nitrogen was observed following liquid swine manure applications at six fields in Winchester, ON employing controlled tile drainage and denitrifying bioreactors. The manure was mainly in the form of ammonium during application where it was...

Frege on Ideal Language, Multiple Analyses, and Identity

Olya Hashemi Shahroudi
Abstract My thesis is partly historical and partly critical. First, I will lay down a brief overview of Frege’s semantics and ontology based on his major works such as Begriffsschrift, “On Sense and Reference”, “On Concept and Object”, “Thought” and so on. The goal of this part of my research is to get a clear picture of Frege’s system and see what features of it are arbitrary and in those cases what other options exist....

TCP/AQM Congestion Control Based on the H2/H∞ Theory

Navin Haghighizadeh
This thesis uses a modern control approach to address the Internet traffic control issues in the Transport Layer. Through literature review, we are interested in using the H2/H∞ formulation to obtain the good transient performance of an H2 controller and the good robust property from an H∞ controller while avoiding their deficiencies. The H2/H∞ controller is designed by formulating an optimization problem using the H2-norm and the H∞-norm of the system, which can be solved...

The Impact of the Recent Financial Crisis on Bank Lending to SMEs in Canada

Nicolas Legendre
This study investigates the magnitude of credit contraction encountered by Canadian Small-and-Medium-Sized-Enterprises (SMEs) during the recent financial crisis of 2007-2008. These firms account for an important source of job creation and economic welfare (Haltiwanger et al., 2010); therefore, to ensure the creation and growth of SMEs through a smooth flow of capital is crucial for a healthy economic recovery from the crisis. The empirical observation obtained in this study is contrary to what the theory...

Exploring Sexual Well-Being in Older Adulthood: Diversity in Experiences and Associated Factors

Suzanne Bell
For decades, sexual expression in older adulthood was a taboo topic in the public discourse and ignored in the empirical literature. As a result of several significant sociocultural changes and medical developments as well as an increasingly older population, however, perspectives are shifting and acceptance and interest in the sexual lives of older adults is growing. The purpose of this dissertation was to investigate sexual well-being in older adulthood and explore its diversity. Study 1...

The Acquisition of Anaphora Resolution by French-Spanish Bilinguals

Marie-Philip Mathieu
This study investigates the division of labor between null and overt pronouns in Spanish. The Position of Antecedent Hypothesis (Carminati 2002) posits that null and overt pronouns in null-subject languages differ with respect to antecedent choice in ambiguous constructions. The objectives of this study are to determine i) to what extent native French speakers learning Spanish in adulthood can acquire the same interpretation bias as Spanish speakers, ii) if heritage speakers (HS) of Spanish who...

Applying the Draft Articles on the Responsibility of International Organizations: Making International Organizations Accountable

Valerie Leung
The primary aim of this research is to investigate whether the Draft Articles on the Responsibility of International Organizations (ARIO) which were completed in 2011 are an effective means of making IOs accountable for international wrongdoing. In order to determine this a hypothetical case was created based on the imaginary scenario that the IMF required its member states to eliminate capital controls as a condition for obtaining loans from the organization. This hypothetical case is...

Small Trinity

Adrian Gollner
I have an interest in transposing elements of sound, time, and motion into other forms. The thesis exhibition, small Trinity, presents my efforts to capture the essence of an explosion as a sculpture. The resulting objects provide viewers with the chance to examine an explosion in a stilled state, but also to consider the enormous powers we humans wield. Comprising the exhibition are three series: Exploded Vases (2014-15), Cast Explosions (2015) and small Trinity (2016)....

Penal Spectatorship at Three Police Museums in Ontario

Matthew Ferguson
This thesis examines a widespread yet understudied tourism destination in Canada – the police museum. I visited and collected data at three police museums in the province of Ontario, Canada: the Toronto Police Museum and Discovery Centre in Toronto, the OPP Museum in Orillia, and the RCMP Musical Ride Centre in Ottawa. Engaging with Brown’s (2009) theory of “penal spectatorship”, I investigate how these sites (re)produce and circulate meanings about penality through their different representational...

Capillary Electrophoresis for Separation of Biomolecules and Viruses

Ana Gargaun
This thesis examines the use of capillary electrophoresis for the study of several biomolecules and their interactions and viruses. The first two experimental chapters focus on its utility for thermodynamic and kinetic analysis of molecules. Chapter one focuses on the use of non-equilibrium capillary electrophoresis of equilibrium mixtures (NECEEM), to calculate the dissociation constant for the interaction between double stranded microRNA-122 and protein p19. NECEEM was used to calculate the rate constants (koff = 0.059...

John Weinzweig, Leftist Politics, and Radio Drama at the CBC During the Second World War

Carolyne Sumner
Since its rise to prominence in the 1920s, Canadian radio drama has become a topic of growing interest among scholars in the fields of media studies, communications, and literature. During the Second World War, radio drama became an important medium of entertainment for home front civilians, and was utilized as propaganda by the CBC to garner support for the Canadian war effort. At this time, radio drama also became an important artistic outlet for wartime...

Stormwater Retention Ponds: Hydrogen Sulfide Production, Water Quality and Sulfate-Reducing Bacterial Kinetics

Patrick Marcel D'Aoust
Stormwater retention basins are an integral component of municipal stormwater management strategies in North America. The province of Ontario’s Ministry of the Environment and Climate Change obligates land developers to implement stormwater management in their land use and development plans to mitigate the effects of urbanization (Bradford and Gharabaghi, 2004). When stormwater retention ponds are improperly designed or maintained, these basins can fail at improving effluent water quality and may exasperate water quality issues. Intense...

Language Register in Written Feedback to Graduate Students

Nidhal Qwai
Abstract Effective feedback, as an integral part of formative assessment, has been identified as a powerful tool that enhances learning. However, “Effectiveness” has been perceived differently by students due to at least four factors: 1. Quantity, 2. Quality, 3. Timing, and 4. Language used in feedback provided. Much research has been conducted on the first three factors, but language needs to be thoroughly investigated. This research in the sector of Education attempts to rectify certain...

Les figures du fou dans la dramaturgie québécoise : portraits esthétiques

Gabrielle Boucher
La folie dans la dramaturgie québécoise est davantage une métaphore méta-théâtrale qu’une qualité liée à la maladie mentale. Certes, avec la naissance des sciences humaines, les dramaturges occidentaux ont progressivement fait disparaître les personnages iconographiques au profit de patients (Smadja, 2009). Il n’en demeure pas moins que les manifestations contemporaines de ce « type » de personnage ne cessent de se multiplier, particulièrement dans le corpus dramaturgique québécois. En explorant le traitement réservé aux «...

Lithospheric Structure Across the Northern Canadian Cordillera from Teleseismic Receiver Functions

Azadeh Ashoori Pareshkoohi
A major change in seismic velocities between Earth’s crust and mantle is known as the Mohorovicic discontinuity (Moho). The depth of the Moho plays an important role in characterizing the overall structure of the crust and can be related to the tectonic setting of a region. Teleseismic P-wave receiver function techniques can provide estimates of the depth of the Moho and therefore crustal thickness under a broadband station. In this research we are interested in...

Measuring Music Reading: A Guide to Assessment Methods

Mary Claire Jensen
Music reading is a complex skill. In order to better understand the reading process and evaluate the effects of teaching intervention, it is essential to measure this skill. Research in the field of music pedagogy has provided a number of studies concerned with the measurement of music reading, using varying methods of assessment. However, the corpus of literature is lacking in organization and clarity, in part due to the fact that the assessment methods come...

The Black Scare: Cold War Anticommunism and the Long Civil Rights Movement in America

Kierstin Stewart
This thesis discusses the impact of the Cold War on the Long African American Civil Rights Movement in the US from 1945 into the early 1970s. I seek to address the historiography that argues that the Cold War was an animating or galvanizing force behind the Civil Rights movement. I argue that black strategies of activism and black thought during the long civil rights era were directly or indirectly influenced by Cold War politics. Strategies...

The Implementation and Impact of a Self-Regulation Intervention on the Levels and Experiences of Stress, Burnout, Well-Being, and Self-Regulation Capacity of University Student-Athletes with Moderate to High Levels of Burnout

Nicole Dubuc-Charbonneau
Gaps. University student-athletes face several unique demands that can contribute to greater levels of stress (Gould & Whitley, 2009; Kimball & Freysinger, 2003). If unresolved, stress can compromise well-being and lead to burnout (DeFreese & Smith, 2014). Many studies have shed light on the burnout process of athletes (Goodger, Gorely, Lavallee, & Harwood, 2007; Gustafsson, Kenttä, & Hassmén, 2011). Yet, despite the negative outcomes reported, little has been done to remediate the incidence of burnout...

The Experience of Well-being Following Job Loss: A Case Study

Jacqueline Synard
Positive psychology has significantly advanced our understanding of well-being, yet there remains a need to better understand the how, what, and why of both positive and negative well-being. This study combined positive psychology and job loss perspectives to investigate the subjective experience of well-being following job loss. Using a qualitative-focused case study methodology, this three article dissertation explored the experiences of 20 workers who were displaced from the Ottawa, Canada technology sector from 2000-2006. The...

Taking Root: Media, Community, and Belonging in Ottawa

April Bella Lilas Carriere
This thesis employs a post-anarchist influenced lens and develops a collective capacity framework in order to explore how the media consumption and production practices of the Chinese Canadian, Latin American, and Somali Canadian communities in Ottawa, Canada, can strengthen these communities’ ability to facilitate the process by which immigrants become community members and form a sense of belonging in Ottawa. The thesis explores both how ethno-cultural media can help newcomers to form a sense of...

Cretaceous-Paleogene Low Temperature History of the Southwestern Province, Svalbard, Revealed by (U-Th)/He Thermochronometry: Implications for High Arctic Tectonism

Christopher Barnes
The High Arctic has been a complex region of collisional and extensional tectonism through the Mesozoic and Cenozoic. Svalbard, the sub-aerial exposure of the northwestern Barents Shelf, is an excellent natural laboratory investigating for High Arctic tectonism. Using apatite and zircon (U-Th)/He low-temperature thermochronometry combined with geological constraints, we resolve Cretaceous through Paleogene time-temperature histories for four regions of the Southwestern Province. Our results indicate a temperature gradient from south to north of ~185°C to...

The Logic of Hereditary Harrop Formulas as a Specification Logic for Hybrid

Chelsea Battell
Hybrid is a two-level logical framework that supports higher-order abstract syntax (HOAS), where a specification logic (SL) extends the class of object logics (OLs) we can reason about. We develop a new Hybrid SL and formalize its metatheory, proving weakening, contraction, exchange, and cut admissibility; results that greatly simplify reasoning about OLs in systems providing HOAS. The SL is a sequent calculus defined as an inductive type in Coq and we prove properties by structural...

'Not in Glorious Battle Slain’: Disease and Death in the Royal Navy’s Western Squadron during the Seven Years’ War

George Wills
The Seven Years’ War represented a period of great mobilization of British sailors and soldiers. Not only did men need to be found to man the ships and garrison the forts in the Western Squadron and North America, but they also needed to be fed and kept healthy during the conflict. Due to poor living conditions aboard Royal Navy ships, expeditions to North America were met with disease that would drastically reduce the numbers of...

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