Year: 2026, 2026
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Vaccine hesitancy continues to influence public health practice in Ontario, particularly within a system that requires parents to complete non-medical exemptions under the Immunization of School Pupils Act, 1990. The purpose of this study was to explore how vaccine-hesitant parents understand their decisions and navigate institutional processes during the exemption pathway. Using Thorne… more Year: 2026, 2026
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Ageism is pervasive and harmful, creating an urgent need to understand how ageist attitudes can be improved. Building on the novel age-conscious student concept, this thesis explored the outcomes of a pilot intergenerational classroom, aimed at reducing ageism, that integrated 13 older community participants into a university-based psychology of aging course alongside 60 younger students… more Year: 2026, 2026
Member of: Trent University Graduate Thesis Collection
Abstract: <p>This thesis presents a comprehensive investigation into machine learning approaches forlandmine detection using thermal imagery. It addresses both classification and precise lo-
calization challenges that are integral for humanitarian demining operations. The research
encompasses two complementary methodological frameworks: comparative evaluation of
traditional machine learning versus… more Year: 2026, 2026
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Older adults with dementia experience higher rates of hospitalization than those without dementia, yet nurses in acute care frequently feel unprepared to support patients with responsive behaviours using non-pharmacological approaches. The aim of this study was to explore the experiences of nurses' using activity-based interventions, such as colouring, word games, therapeutic dolls… more Year: 2026, 2026
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Maladaptive fear can develop when nonthreatening stimuli are misinterpreted as dangerous. While fear extinction has been extensively studied, organisms can also learn safety through relief learning, in which cues signalling the termination of an aversive event acquire positive value. Although the medial prefrontal cortex (mPFC) is implicated in regulating responses to threat and safety… more Year: 2026, 2026
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Steinke, Leah Jade, Thesis advisor (ths): Brown, Liana E, Degree committee member (dgc): Paquette, Sebastien, Degree committee member (dgc): Henriques, Denise, Degree committee member (dgc): Fournier, Neil, Degree granting institution (dgg): Trent University Abstract: <p>Freezing is a debilitating phenomenon that reduces quality of life for people withParkinson's disease (PwPD). This study tests the hypothesis that: 1) freezing is linked to
executive dysfunction; 2) freezing is a global motor phenomenon, not limited to gait. We
compared 14 PwPD to 16 controls. Several aspects of executive function were measured
using pro- and anti-saccade tasks… more Year: 2026, 2026
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Freezing of gait is a debilitating symptom affecting individuals with Parkinson's disease. Emerging evidence suggests freezing may represent a global motor control deficit beyond gait. We investigated freezing episodes in the upper limbs using spatially-constrained reaching tasks known to elicit freezing of gait. Fourteen people with Parkinson's disease and 13 controls… more Year: 2026, 2026
Member of: Trent University Graduate Thesis Collection
Abstract: <p>The ᐃᓕᓕᐗᔅᑭᔾ | Ililiwaskiy (Moose Cree First Nation Territory) in Ontario's James Bay region has long faced industrial impacts on its ecosystems. Community concerns about mercury in culturally important fish prompted an interdisciplinary study bringing together chemical analysis and community knowledge. Researchers partnered with Moose Cree members through workshops, training, and… more Year: 2026, 2026
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Carr, Teagan A, Thesis advisor (ths): Vreugdenhil, Andrew J, Degree committee member (dgc): Zenkina, Olena V, Degree committee member (dgc): Katz, Michael J, Degree committee member (dgc): Stewart, Kate, Degree granting institution (dgg): Trent University Abstract: <p>This thesis presents the design, synthesis, and evaluation of activated carbon polyacrylamide (AC-PAM) composites for oil sands tailings remediation, integrating flocculation and adsorption functionalities. Surface-initiated atom transfer radical polymerization (SI-ATRP) was employed to graft high molecular weight PAM brushes onto petroleum coke and commercial activated carbon, with SARA… more Year: 2026, 2026
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Diversified agroecosystems supporting greater genetic, structural, and functional diversity improve soil health and ecosystem function. However, there is limited understanding of how multiple forms of diversification, such as mixing cover crop species and adding arbuscular mycorrhizal fungi (AMF), alter belowground carbon supply to soil. In a controlled environment experiment using… more Year: 2026, 2026
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Dissanayake Mudiyanselage, Nethma Thejani Dissanayake, Thesis advisor (ths): Vreugdenhil, Andrew J., Degree committee member (dgc): Bradac, Carlo, Degree committee member (dgc): Easton, Brad, Degree committee member (dgc): Ouzilleau, Philippe, Degree committee member (dgc): Vreugdenhil, Andrew J., Degree granting institution (dgg): Trent University Abstract: <p>Petroleum coke (petcoke) is a waste by-product of the upgrading process in the oil refining industry. It has limited utility in other areas of application.1 High carbon content (over 85 wt.%), low ash content, and softness make petcoke a potentially valuable precursor for graphitization, where amorphous carbon can be transformed into graphitic carbon. The synthetic production of graphite… more Year: 2026, 2026
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Stress during adolescence has profound effects on psychological, behavioral, and neurobiological outcomes in adulthood. This study investigates the impact of adolescent stress on safety learning, anxiety- and depressive-like behaviors, and associated neurocircuitry using a rat model. Adolescent male Long Evans rats underwent an unpredictable intermittent stress regimen, followed by… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Decades of sulphur and nitrogen deposition acidified forest ecosystems across northeastern North America causing declines in pH and exchangeable base cation concentrations, negatively affecting biota. To assist natural recovery, researchers are investigating using alkaline soil amendments such as wood ash. However, much remains unknown about its use. This thesis evaluated the effects of… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Lau, Vincent, Thesis advisor (ths): Tanentzap, Andrew, Degree committee member (dgc): Emilson, Erik, Degree committee member (dgc): Stock, Naomi, Degree committee member (dgc): Moorthy, Arun, Degree committee member (dgc): Braga, Lucas, Degree granting institution (dgg): Trent University Abstract: <p>Climate-driven permafrost thaw releases microorganisms and dissolved organic matter (DOM) into northern lakes, where their interactions with microbial communities and seasonal processes shape greenhouse gas emissions. In a factorial experiment mixing DOM and microbes from thermokarst ponds and lakes, we found that both DOM and microbial identity strongly influenced degradation. Lake… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Pain conditions occur at an increasing rate alongside people with temporal lobe epilepsy (TLE) and can include chronic headaches, migraines, and neuropathic pain. In order to begin to understand the concurrence, this experiment aimed to investigate the effect of long-term amygdala kindling, a model of TLE, on the affective and nociceptive components of pain in rats. Formalin-induced… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>This work presents a new online method using gas chromatography coupled to the multicollector-inductively coupled plasma-mass spectrometer for methylmercury (MMHg) isotope ratio measurement. An extraction method using distillation was developed that effectively extracted MMHg from up to 5 grams of sediment, imparting no isotope fractionation on MMHg during extraction. Isotope ratios from… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Agriculture may result in soil disturbances, including contamination by rare earth elements (REE) and trace elements (TEs) from agricultural inputs (e.g. fertilizers, pesticides). Regulations concerning agricultural inputs currently do not consider TE background concentrations, concurrent use of inputs, and emerging contaminants. Therefore, they may not sufficiently protect against TE… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>This thesis presents a case of the aquatic plant species Fanwort (Cabomba caroliniana) significantly naturalizing in Kasshabog Lake in bays where it had been invasive. This significant naturalization presents major implications for invasive species management and invasion biology because the naturalization of invasive species is a phenomenon that has been largely omitted from study… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>The Lesser Yellowlegs (Tringa flavipes) is a steeply declining shorebird that breeds across boreal North America. I studied nest survival in Anchorage, Alaska, USA and Churchill, Manitoba, Canada and nest site selection factors in Churchill. Nests were monitored at each site and daily nest survival rates (DSR) were calculated based on a maximum likelihood approach. Overall nest survival… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>I utilized analytical autoethnography to analyze and interpret my own experience of what caring for a child that died was like for me within the academic and institutional culture that I was educated and trained in (Chang, 2008). Themes of lack of preparedness, relationships, loss and emotion, death denial, and lasting impacts and growth were identified. Pediatric death and dying… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Amphibian biodiversity is in global decline, driven primarily by habitat loss and fragmentation arising from landcover alteration. For pond-breeding amphibians, larval abundance should be governed by aquatic breeding site quality, surrounding terrestrial habitat characteristics, and proximity to neighbouring populations. If safeguarding salamander populations is a priority, conservation… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>The involvement of families in the care of their infant in the Neonatal Intensive Care Unit (NICU) may be influenced by the unit environment (O'Brien et al., 2013). The purpose of this study is to explore the influence of the open pod NICU through the research question: What is the impact of unit design in the NICU at Kingston General Hospital (KGH) on the lived experiences of… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Ackuayi, Stephen Makafui, Thesis advisor (ths): Cater, Bruce, Thesis advisor (ths): Parker, James, Degree committee member (dgc): Cater, Bruce, Degree committee member (dgc): Parker, James, Degree committee member (dgc): Pollanen, Marco, Degree committee member (dgc): Kam, Eric, Degree granting institution (dgg): Trent University Abstract: <p>Accurately forecasting financial distress in companies is crucial in the turbulent economic conditions of our time. This study highlights the potential benefits of incorporating qualitative data into financial distress prediction models. The study assessed the relative effectiveness of traditional distress prediction models against integrated models, determined which variables… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Climate change is a global challenge with profound environmental, health, andsocio-economic implications. Canada's diverse geography offers a unique lens to study
localized climate trends. This thesis models and clusters climate variables, focusing
on temperature trends, using Bayesian hierarchical models and clustering techniques
to uncover regional patterns and health impacts.… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Microplastics are intricate plastic particles (<5 mm in length) with complex chemical mixtures that are pervasive globally. Nonetheless, our understanding of microplastic contamination in the Canadian Arctic is limited. Therefore, this thesis aimed to investigate the concentration and characteristics of microplastics in and surrounding the community of Iqaluit, Nunavut. Our… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>It is well known that pain can heighten sensitivity to stimuli that signal threat in most species. In rodents, exposure to predator odor, such as 2,5-dihydro-2,4,5-trimethylthiazoline (TMT), induces anxiety and alters pain sensitivity. This study explored the effect of predator odor stress on mechanical pain sensitivity in a rat model of acute inflammatory pain induced by suboptimal… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Metaphors are a ubiquitous component of communication, which are either conventional (familiar) or novel phrases. Metaphors are useful for discussing abstract concepts such as emotions that can be difficult to discuss literally, and as such benefit social relationships (Nippold et al., 2017). Research on contributors to novel metaphor production is limited and previous methodologies have… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Prevailing rates of sexual violence have necessitated research on sexual consentcommunication to remedy these issues. Research has found that individuals possess sophisticated
knowledge of consent, and that discrepancies between people's attitudes and behaviours are
resulting in sexual violence and compliance behaviours. The BDSM community–with its greater
diversity and effective… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>In an effort to improve upon existing analytical methods, electrochemical sensors offer portable, cost-effective alternatives to traditional lab-based techniques. Recent advances in supramolecular chemistry offer a unique alternative to achieve high selectivity while also benefitting from facile scaling for mass production. Thus, by incorporating host-guest chemistry with electrochemical… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Reyes, Kyle Matthew Dabu, Thesis advisor (ths): Vreugdenhil, Andrew J, Degree committee member (dgc): Keske, Eric, Degree committee member (dgc): Zenkina, Olena V, Degree committee member (dgc): Adronov, Alex, Degree granting institution (dgg): Trent University Abstract: <p>The oil sands industry is producing large volumes of tailings waste reaching 2 billion cubic meters by 2034 In this study, the industrial standard flocculant, high molecular weight PAM, was grafted from the surface of activated carbon (AC). This material was designed to increase the flocculant's hydrophobicity and density. Different molecular weight PAM was grafted from AC with… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Calcium (Ca) limitation and sodium chloride (NaCl) toxicity tolerance are potential controllers of Daphnia populations. D. pulicaria neonates collected from 14 Kawartha Highland lakes were exposed to 6 Ca concentrations (0.5-5.0 mg Ca L-1) over 6 days. We did not find differences in maximum mass-specific growth rate or half-maximum thresholds between source lakes. Growth rates were… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>DNA methylation (DNAm) is a useful indicator of phenotypic expression and diversity, and can potentially inform adaptations to environmental changes. This thesis uses epigenetic techniques to investigate the mechanisms underlying phenotypic variation in white-tailed deer, black bear, and mountain goat, with a particular focus on age and body size. In the second chapter, we aimed to… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>We study a one-dimensional Fermi-Hubbard model with disorder in charge and spin degrees of freedom. We calculate the time dependence of the entanglement entropy. While previous research on disordered interacting systems has typically focused on systems with either charge or spin, our model enables us to explore the interplay between charge and spin in shaping the behavior of entanglement… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Obinwanne, Uchechukwu Emmanuel, Thesis advisor (ths): Feng, Wenying, Degree committee member (dgc): Alam, Omar, Degree committee member (dgc): Xu, Simon, Degree committee member (dgc): Parker, James, Degree granting institution (dgg): Trent University Abstract: <p>Recent developments in Artificial Intelligence (AI), particularly Large Language Models (LLMs), have provided powerful tools for Natural Language Processing (NLP) tasks like sentiment analysis. However, their fine-tuning and deployment present challenges, specifically in terms of computational efficiency and high training costs. To address these challenges, this work applies optimization… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>The spectral properties of time series data reveal underlying processes but require complete datasets, often unavailable due to missing values and irregular sampling.This thesis uses a computational simulations framework to evaluate the perfor- mance of the Hybrid Wiener Interpolator [3], a novel method designed to reconstruct nonstationary time series data, thus making said data… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>DNAJC5, an HSP40 member, supports synaptic vesicle release and protein folding byactivating HSP70 ATPase activity. In humans, it localizes to presynaptic terminals and
endomembrane compartments that are involved in protein trafficking. Mutations in DNAJC5
cause CLN4 disease, a rare adult-onset Batten disease. Dictyostelium discoideum, a model for
neurodegenerative research, encodes a… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Lyme disease (LD), caused by Borrelia burgdorferi, presents major diagnostic and treatment challenges due to its diverse symptoms and often ambiguous progression. Despite growing awareness, many patients face misdiagnosis, dismissal, and inadequate care—especially in North America, where brief treatment guidelines may fail to address persistent symptoms. This qualitative study used a… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Han, Huawei, Thesis advisor (ths): Burr, Wesley, Degree committee member (dgc): Parker, James, Degree committee member (dgc): Shin, Hwashin, Degree committee member (dgc): Chan-Reynolds, Michael, Degree granting institution (dgg): Trent University Abstract: <p>This thesis develops an Long Short-Term Memory (LSTM) neural network model to assess the relationship between ambient air pollutant exposure and public health risks, accommodating both linear and nonlinear associations with distributed lags.The research makes three key contributions. First, Maximal Information Coefficient (MIC) methods identify the most relevant air pollutants and their… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>An athlete's psychological response to a sports-related concussion may influence thesuccess of recovery and return to play. This exploratory study explored how athletes
psychologically respond to concussion, using Acceptance and Commitment Therapy to
examine the role of psychological flexibility in recovery and return to play. Thirty
athletes who experienced a concussion in the past… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Frog virus 3 (FV3) belongs to the genus Ranavirus within the Iridoviridae family.Its 105,903 base genome encodes 98 open reading frames (ORFs), including ORF 97R, a
putative apoptosis regulator sharing 31% structural similarity with the anti-apoptotic Bcl-
2 family protein, myeloid cell leukemia 1 (Mcl-1). 97R contains a BH1 domain,
implicated in apoptosis regulation, and a predicted C-… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>This study examines the experiences of Tamil Canadian caregivers providing home care for older adults with dementia, highlighting their unique challenges. Grounded in a social constructivist and phenomenological approach, the qualitative research explores the influence of social, cultural, and familial expectations on caregiving roles. Semi-structured interviews with ten Tamil Canadian… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Bonnett, Sarah, Thesis advisor (ths): Nol, Erica, Thesis advisor (ths): Smith, Paul A, Degree committee member (dgc): Nol, Erica, Degree committee member (dgc): Smith, Paul A, Degree committee member (dgc): Brown, Glen, Degree granting institution (dgg): Trent University Abstract: <p>Climate change affects birds' reproductive ecology by altering breeding timing, distribution, and habitat suitability. Snowmelt patterns complicate these changes affecting habitat availability and suitability for birds and their arthropod prey. Snow varies as a function of both large-scale climate patterns and local-scale topography. I used elevational gradients as a proxy for local… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Brandsma, Julia, Thesis advisor (ths): Woodend, Kirsten, Thesis advisor (ths): Thibeault, Catherine, Degree committee member (dgc): King, Carolyn, Degree committee member (dgc): Churipuy, Donna, Degree committee member (dgc): Bedore, Christopher, Degree granting institution (dgg): Trent University Abstract: <p>Individuals who use drugs face stigma in healthcare, leading to poor health outcomes and limited treatment access. This scoping review aims to provide healthcare professionals with key evidence needed for delivering acceptable care from the perspective of those who use drugs. A Lived Experience Advisory Panel determined what contributions represented the perspective of people who use… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>This thesis aimed to explore students' perspectives on university exams in two studies. Using a phenomenological approach, Study 1 recruited 10 senior undergraduate students to participate in semi-structured interviews. A thematic analysis revealed key themes related to exam purpose, effectiveness, fairness, and emotional responses. These insights informed the development of a… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Office workers consistently report greater productivity in the workplace when standing compared to sitting (Chambers et al., 2019; MacEwan et al., 2015; Mantzari et al., 2018). In contrast, laboratory studies report inconsistent evidence that posture (sitting vs. standing) affects cognitive performance, usually operationalized as selective attention (Caron et al., 2020; 2022; Rosenbaum… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Stone, Dylan, Thesis advisor (ths): Bradac, Carlo, Degree committee member (dgc): Atkinson, Bill, Degree committee member (dgc): Agarwal, Nisha, Degree committee member (dgc): Sadaf, Sharif, Degree granting institution (dgg): Trent University Abstract: <p>With wide applications ranging from quantum communication and metrology to biomedicine, single photon sources in solid-state hosts have become a major area of study. Here, we focus on three applications: nanothermometry, optically detected magnetic resonance (ODMR), and second order autocorrelation. We present novel statistical and machine learning (ML) approaches to extract information… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Stress can significantly affect neurobiological processes crucial for learning and memory. While repeated stress enhances fear memory, it impairs memory retrieval. In most studies, however, stress exposure typically preceded fear and extinction learning. Thus, the impact of previously acquired memories formed before exposure to stress is not well understood. The goal of this thesis is to… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Forests play a critical role in the global carbon cycle, acting as carbon sinks that remove and store an estimated 0.4 to 4.1 Pg of atmospheric carbon annually. However, historical acid deposition and timber harvesting have disrupted nutrient cycles, leading to nutrient-deficient soils that hinder tree growth, particularly for sugar maple (Acer saccharum), a keystone species in Ontario… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>This study investigates associations between self-other differentiation (the ability to distinguish and coordinate the self and other perspective during social problem-solving) and specific ego functions (reality testing, judgement, sense of reality, object relations, and synthetic-integrative function) from a cognitive perspective in two groups of adolescents aged 12 to 18 years. One… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>The TATA-binding protein (TBP) is a key regulator of eukaryotic transcription initiation. The TBP homolog from Giardia intestinalis (gTBP) is highly divergent among all TBPs; notably lacking three of the four phenylalanine residues to unwind double- stranded DNA. I show that gTBP preferentially binds to single-stranded DNA (ssDNA) in two modes based on sequence and protein concentration… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Mutations in the CLN7 (MFSD8) gene, causes CLN7 disease, a subtype of neuronal ceroid lipofuscinosis. MFSD8 is a lysosomal transmembrane protein that transports chloride across membranes. Experimentation regarding Dictyostelium discoideum revealed that mfsd8 deficiency altered lysosomal enzyme activity. During starvation, the aggregation of mfsd8¬¬- cells was delayed, and cells formed… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Nasir, Maryam, Thesis advisor (ths): Atkinson, William WA, Degree committee member (dgc): Bradac, Carlo CB, Degree committee member (dgc): de Haan, Hendrick, Degree committee member (dgc): Ramachandran, Ganesh GR, Degree granting institution (dgg): Trent University Abstract: <p> The interplay between electron charge, spin, and ferroelectric polarization is under-explored for conducting ferroelectric domain walls (DWs). DWs are interfaces that separate regions
(domains) within a material that have different orientations of spontaneous polarization.
We investigated the electronic band structure of t2g electrons, confined to 90° charged do
main walls (CDWs) in… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Microsatellites and microhaplotypes are genetic markers that, through DNA amplicon sequencing, generate genotypes to distinguish between individuals from wildlife populations. Here, these markers were sequenced in caribou (Rangifer tarandus) specimens using Oxford Nanopore's MinION DNA sequencer for the first time. Microsatellite loci previously sequenced with an Illumina MiSeq were… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Trait variation in wild populations is shaped by the interaction of genetics and the environment. Given these interactions, this thesis explored trait variation in white-tailed deer from two angles: one focused on broad-scale environmental factors, the other on fine-scale genetic mechanisms. The first chapter investigated how climate and habitat variation influence antler size,… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Rare earth elements (REEs) are in high demand globally for the green transition and high technologies. The growing demand leads to their release into aquatic ecosystems from various point and non-point sources, which creates urgency to investigate their fate and enrichment. This thesis further investigates the biogeochemical fate and REE uptake mechanisms throughout aquatic ecosystems.… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Van Elswyk, Amy, Thesis advisor (ths): Parker, James D. A., Thesis advisor (ths): Summerfeldt, Laura J., Degree committee member (dgc): Parker, James D. A., Degree committee member (dgc): Summerfeldt, Laura J., Degree granting institution (dgg): Trent University Abstract: <p>Objective: The Coping Inventory for Stressful Situations (CISS) is a widely used measure of trait coping that was developed to assess three basic coping styles: task-oriented, emotion-oriented, and avoidance-oriented coping. This thesis examined the psychometric properties of a short form for the CISS (CISS-SF). Method: Data from a large longitudinal sample of adults were used to conduct… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>In today's digital era, smartphone use is having a profound effect on family life. There is growing concern about parental phubbing, which occurs when parents ignore their children in favour of using their phones. This study examined how parental phubbing was associated with children's problematic media use (PMU), and problem behaviours (internalizing, externalizing,attention)… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Urmee, Farjana Zaman, Thesis advisor (ths): Abdella, Kenzu, Thesis advisor (ths): Wang, Xiaoying, Degree committee member (dgc): Parker, James, Degree committee member (dgc): Shu, Hongying, Degree granting institution (dgg): Trent University Abstract: <p>This study focuses on the world dynamics of a cholera model that includes delayed bacterial shedding and water disinfection. From the method of the next generation matrix, a basic reproduction number is found that sets a threshold of disease persistence. It is shown that the disease disappears if $R_0<1$, which means that the disease-free equilibrium is globally asymptotically… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Flavohemoglobins are enzymes primarily implicated in nitrosative stress due to their high nitric oxide (NO) dioxygenase activity and transcriptional upregulation in response to NO. Giardia intestinalis assemblages A, B, and E possess flavohemoglobins (gFlHb) that may function beyond their NO dioxygenase activity, potentially contributing to oxidative stress regulation, as transcriptional… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Increasing wildfire frequency, driven by climate change, can change the concentration andcomposition of dissolved organic matter (DOM) exported from land into receiving waters by
removing terrestrial vegetation, changing soil hydrology, and interrupting microbial degradation.
In this thesis, I tested how wildfire impacts the molecular composition and reactivity of DOM. I
compared DOM… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Understanding habitat needs of a species is critical, especially for species reintroduced to an area or expanding their range. I evaluated roost tree selection and survival probability of GPS-tagged eastern wild turkeys (Meleagris gallopavo silvestris) from 2017–2020 and 2022 in Peterborough County, Ontario, Canada. Fine-scale roost tree selection was associated with larger trees, with… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Inserting a peripheral intravenous catheter (PIVC) can be a stressful moment in a patient's hospital stay, especially in patients with difficult intravenous access (DIVA). This study
investigated the applicability of a mid-range theory of trauma-informed care (BITTEN) to PIVC
insertion in DIVA patients. A qualitative, semi-structured interview was conducted with 17 DIVA
patients… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): McCallum, Daniel, Thesis advisor (ths): Lehmann, Hugo, Degree committee member (dgc): Chan-Reynolds, Michael, Degree committee member (dgc): Humphreys, Terry, Degree committee member (dgc): Toufexis, Donna, Degree granting institution (dgg): Trent University Abstract: <p>Damage to the hippocampus (HPC) causes retrograde amnesia for some memories, but spaced learning mitigates this. Contextual fear conditioning (CFC) studies in rats demonstrate that distributing conditioning over multiple sessions makes a memory less vulnerable to HPC damage, and it has been suggested this occurs through incremental strengthening of the memory outside the HPC via separate… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>The prevalence of hypertension and mental illness among Black Canadians is a growing public health concern. There is a paucity of Canadian research exploring the lived experiences of Black individuals with both hypertension and anxiety, particularly in relation to how racism shapes access to healthcare. This study aimed to advance awareness and cultural understanding of systemic and… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Attarwala, Hamza, Thesis advisor (ths): Rahman, Quazi, Thesis advisor (ths): Tawfeek, Mostafa, Degree committee member (dgc): Ghaleb, Taher, Degree committee member (dgc): Asaduzzaman, Muhammad, Degree committee member (dgc): Parker, James, Degree granting institution (dgg): Trent University Abstract: <p>Predicting vehicle speed at critical road segments, such as pedestrian crossings during left-turn maneuvers at signalized intersections, is essential for improving traffic safety and supporting autonomous driving systems. This thesis presents a novel two-stage hybrid deep learning framework enhanced with reinforcement learning to forecast vehicle left-turn speed at pedestrian crossings.… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Andreas, Peter Frank, Thesis advisor (ths): Emery, R.J. N, Degree committee member (dgc): Beresford, David V, Degree committee member (dgc): Kisiala, Anna B, Degree committee member (dgc): Morrison, Erin N, Degree granting institution (dgg): Trent University Abstract: <p>Using Drosophila deficiency (Df) and Over Expression (OE) (GAL4/UAS>dCas9-VPR; sgRNA) gene systems, it was demonstrated that Dmel_CG31381 and Dmel_CG11089 are functional tRNA isopentenyltransferase (EC 2.5.1.8) genes (tRNA IPT1 and IPT2) critical to the first committed step in insect cytokinin biosynthesis. IPT Df mutants showed significant decreases in total CK levels and IPT1/… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Risk-taking (e.g., dangerous driving, substance use) rises during adolescence and can result in both adaptive consequences (e.g., social acceptance) and maladaptive consequences (e.g., alcohol poisoning, premature death). Adolescents also experience an increase in self-conscious emotions, including shame. Shame-prone adolescents may engage in risk-taking to cope with negative self-… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Lim, Meilin, Thesis advisor (ths): Keske, Eric C, Degree committee member (dgc): Vreugdenhil, Andrew J, Degree committee member (dgc): Zenkina, Olena V, Degree committee member (dgc): Singer, Robert D, Degree granting institution (dgg): Trent University Abstract: <p>N-Heterocyclic Carbenes (NHCs) have significantly impacted organometallic chemistry as ligands in transition metal catalysis, offering strong electron-donating properties and high bond dissociation energies. However, their structural versatility is limited by the scarcity of commercial precursors and challenging modification procedures. Furthermore, we have investigated its coordination… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Lowes, William Holden Hubert, Thesis advisor (ths): Brenner, Ingrid, Degree committee member (dgc): Woodend, Kirsten, Degree committee member (dgc): West, Sarah, Degree committee member (dgc): Moayedi, Yas, Degree granting institution (dgg): Trent University Abstract: <p>Heart failure (HF) is a condition with several possible etiologies that influence patient symptomatology, including response to exercise. The purpose of this review was to assess how cardiopulmonary exercise testing (CPET) parameters used for risk stratification differ and are associated with mortality and adverse cardiac events in patients with different HF etiologies. We completed a… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Lorenzen, Aarilee, Thesis advisor (ths): Morin, Eugene, Degree committee member (dgc): Szpak, Paul, Degree committee member (dgc): Conolly, James, Degree committee member (dgc): Bogićević, Katarina, Degree granting institution (dgg): Trent University Abstract: <p>This study examines the foraging strategies of Mesolithic foragers in the Central Balkans, particularly those employed by the occupants of Crvena Stijena, Montenegro. The Prey Choice Model, Patch Choice Model, and Marginal Value Theorem are used to interpret subsistence patterns. The data from the Crvena Stijena assemblages are compared to those from other Mesolithic sites in the region… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Migration, space use, and phenology play key roles in shaping avian populations and are therefore critical for conservation. My thesis examines the migration strategies and non-breeding spatial requirements of Virginia's beach-nesting American Oystercatchers (Haematopus palliatus), as well as the nesting phenology of mid-Atlantic American Oystercatchers and Piping Plovers (… more Year: 2025, 2025
Member of: Trent University Graduate Thesis Collection
Abstract: <p>This thesis aimed to address potential sources of bias in electronic fish tagging studies in order to advance the methods used by future studies. I first provided a review and meta-analysis of intracoelomic tagging effects in fishes, summarizing the existing literature and assessing the extent to which previously identified research gaps have been filled. I also included the first large-… more Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Many communities in Canada rely on water sourced from boreal forest headwaters for their drinking water. The Boreal Shield Ecozone is highly susceptible to climate change which threatens to exacerbate the effects of natural and human-driven disturbances such as wildfire, insect infestation and harvesting on water quality. Therefore, examining source water quality in headwater catchments… more Full Text: The effects of forest disturbance on dissolved organic carbon in the Algoma region, central Ontario A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Faculty of …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>The Multidimensional Inventory of Personal Intelligence (MIPI) was designed to measure three related dimensions of the personal intelligence (PI) construct: emotional intelligence (EI), social intelligence (SI), and motivational intelligence (MI). The MIPI has psychometric properties and a theoretical structure that improves on the shortcomings of existing trait EI measures. The aim of… more Full Text: Development and Psychometric Evaluation of a Short Measure of Personal Intelligence. A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Faculty of Arts and Science …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Microwave resonances in isolated water-based spheres, dimers, and trimers are explored using simulations conducted with COMSOL Multiphysics. The study centers on morphology-dependent resonances (MDRs) and hotspot characteristics in cm-sized objects at microwave frequencies. Monomers subjected to microwave radiation exhibit four distinct resonant modes at specific sizes characterized by… more Full Text: Simulating Microwave Morphology Dependent Resonances in Aqueous Dimers and Trimers A Thesis Submitted to the Committee of Graduate Studies in Partial Fulfillment of the Requirements of the Degree of Master of Science in the Faculty of Arts and Science …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>A key knowledge gap in aeolian transport research concerns the adjustment of saltation processes to the extreme conditions found within high-latitude regions. A series of wind tunnel experiments were carried out under full climate control and over a wide range in humidity. Particle entrainment and transport within shearing flows of varied wind speed were monitored over beds of varied… more Full Text: i INVESTIGATION OF DYNAMICS OF PARTICULATE TRANSPORT UNDER VARYING CLIMATE CONDITIONS A thesis submitted to the Committee of Graduate Studies in partial fulfillment of the requirements for the Degree of Master of Science in the Faculty of Arts and Science …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>It is widely believed that basic mental processes involved in skilled reading are automatic in the sense that they occur without intention. Evidence that reading occurs without intention comes from the observation that the meaning of a colour word (e.g., "red") affects the time to name the ink-colour of the word in the Stroop task. Evidence also suggests that non-colour words (… more Full Text: HOW FAR IS A WRITTEN WORD WE ARE TRYING TO IGNORE PROCESSED? A Thesis Submitted to the Committee of Graduate Studies in Partial Fulfillment of the Requirements of the Degree of Master of Science in the Faculty of Arts and Science TRENT UNIVERSITY …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Previous researchers have linked lower levels of stress and greater ability to mobilize energy toward a goal (self-motivation); confidence in their ability to complete/achieve a particular task or goal (self-efficacy), and ability to willfully control their thoughts, emotions and behaviour (self-control) to regular physical activity (PA). In an effort to provide further insight into the… more Full Text: WHY CAN’ I STICK TO MY WORKOUT ROUTINE? AN INTEGRATED APPROACH TO SELFREGULAITON AND PHYSICAL ACTIVITY A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfilment of the Requirements for the Degree of Master of Science in the Faculty of …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>AbstractOral Language and the Approximate Number System – A Preliminary Study
Janice Shewen
The approximate number system (ANS) involves the processing of rudimentary quantity and is
thought to be an innate developmental building block for mathematics and its sister construct, the
symbolic system. The conventional belief is that the ANS is language independent; however, this
notion is… more Full Text: ORAL LANGUAGE AND THE APPROXIMATE NUMBER SYSTEM – A PRELIMINARY STUDY A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Faculty of Arts and Science TRENT …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Sorzano, Samantha, Thesis advisor (ths): Brown, Liana, Degree committee member (dgc): Peters, Kevin, Degree committee member (dgc): Bernardi Bagesteiro, Leia, Degree committee member (dgc): Humphreys, Terry, Degree granting institution (dgg): Trent University Abstract: <p>Positive coaching techniques are gaining prominence in the sport of Gymnastics. Coaches are focusing on positive reinforcement, encouragement, and constructive feedback rather than relying solely on traditional, more authoritarian coaching methods. Furthermore, technology is being used to enhance coach-athlete relationships. Video analysis tools and performance tracking software allow… more Full Text: How Spotting With Touch Affects Skill Performance and Self Confidence in Gymnasts A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Faculty of Arts and Science …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Smit, AJ, Thesis advisor (ths): Wang, Xiaoying, Degree committee member (dgc): Wang, Xiaoying, Degree committee member (dgc): Pollanen, Marco, Degree committee member (dgc): Kong, Jude, Degree granting institution (dgg): Trent University Abstract: <p>This thesis is focused on studying the population dynamics of a predator-prey system in a patchy environment, taking anti-predation responses into consideration. Firstly, we conduct mathematical analysis on the equilibrium solutions of the system. Using techniques from calculus we show that particular steady state solutions exist when the parameters of the system meet certain criteria.… more Full Text: MATHEMATICAL BIOLOGY: ANALYSIS OF PREDATOR-PREY SYSTEMS IN PATCHY ENVIRONMENT INFLUENCED BY THE FEAR EFFECT A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>In Ontario, farmers commonly use a MZ (Maize (Zea mays L.))-SB (Soybean (Glycine max))/WW (Winter wheat (Triticum aestivum)) – CC (mixed cover crop) rotation to maximize economic benefits. This study aimed to investigate the short-term impacts of the crop rotation phases and their associated management practices in this diversified cash crop rotation on soil health and the abundance of… more Full Text: SOIL HEALTH AND SOIL MICROBIAL RESPONSES TO CASH CROP MANAGEMENT IN ONTARIO A Thesis Submitted to the Committee on Graduate Studies In Partial Fulfillment of the Requirements for the Degree of Master of Science in the Faculty of Arts and Science TRENT …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>The detection of ciguatoxins (CTXs) in biological samples is challenging due to their low concentrations, the presence of various congeners, and the absence of standardized methods. This study uses high resolution mass spectrometry (HRMS) with P-CTX-3B as a reference standard. The protonated molecules ([M+H]+) were most prevalent, especially when acetonitrile/water was utilized,… more Full Text: Advancements and Challenges in Ciguatoxin Detection: Developing a HighResolution Mass Spectrometric Method for the Identification of P-CTX-3B A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Northern flying squirrels (NFS) are mycophagous specialists (fungi-dominated diet) thatmay be displaced with southern flying squirrel (SFS) range expansion, thereby limiting
fungal dispersal in forest communities. To understand the implications of squirrel
species turnover on mycophagy, we investigated the home ranges of both flying squirrel
species who are living in stable sympatry. We… more Full Text: Movement patterns, food availability, and fungal diets of sympatric flying squirrels in the Kawartha Highlands A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>The Great Lakes represent nearly a fifth of the global freshwater surface supply, and support culturally, economically, and ecologically important fish species such as Walleye (Sander vitreus). With water temperatures projected to rise by several degrees in the coming century, understanding the energetic impacts on fishes is crucial for effective habitat and fisheries management. I… more Full Text: Calibration of accelerometer transmitters for estimating field metabolic rates in walleye (Sander vitreus) A Thesis Submitted to the Committee of Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>The neuronal ceroid lipofuscinoses (NCLs), commonly known as Batten disease, are a family of fatal neurodegenerative disorders that primarily affect children. Several subtypes of NCLs have been reported, each being caused by a mutation in a distinct ceroid lipofuscinosis neuronal (CLN) gene; this results in aberrant lysosome function and the accumulation of lipoprotein aggregates (known… more Full Text: Insights from Dictyostelium: Examining the role of cellular stress in Batten disease A Thesis Submitted to the Committee of Graduate Studies in Partial Fulfillment of the Requirements for Degree of Master of Science in the Faculty of Arts and Science …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>The Impact of the COVID-19 Pandemic on Black People in Toronto: Informing Public Health Nurses on What They Can Do: A Scoping Review by Fitzroy H. Thompson MScN, explores Black people in low-income neighbourhoods being at increased risk of COVID-19 infection and death due to longstanding health inequity. The research consisted of white and grey literature from Canada between March 2020… more Full Text: THE IMPACT OF THE COVID-19 PANDEMIC ON BLACK PEOPLE IN TORONTO: INFORMING PUBLIC HEALTH NURSES ON WHAT THEY CAN DO: A SCOPING REVIEW A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Taylor, Courtney Erin, Thesis advisor (ths): Dunlop, Erin S, Degree committee member (dgc): Lauzon, Ryan, Degree committee member (dgc): Raby, Graham, Degree committee member (dgc): Rennie, Michael, Degree granting institution (dgg): Trent University Abstract: <p>Lake Huron's food web has experienced drastic changes in response to multiple stressors including declines in offshore productivity, decreased trophic transfer efficiency and a transformation of the benthic food web. However, how these changes have affected the diets and isotopic niches of predatory fish is largely unexplored. My diet study analysed stomach contents from five… more Full Text: Regional diet and isotopic niche of predatory fish following a regime shift in Lake Huron A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Faculty of Arts and …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Giardia intestinalis is the causative agent of a diarrheal disease in mammals, but the mechanisms of disease pathogenesis are unclear. While proteins secreted by Giardia affect the host cells, the potential of hormone secretion has not been investigated to date. Cytokinins (CKs) are classified as phytohormones, but little is known about their role beyond plants. Mass spectrometry-based… more Full Text: The effect of cytokinins on the metabolite secretome of Giardia intestinalis during trophozoite growth, nutrient deprivation, and encystation A thesis submitted to the Committee of Graduate Studies in partial fulfillment of the requirements for the degree …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Animal migration is defined as the seasonal movement from one independent and non-overlapping range to another. Understanding how and why animals migrate is important not only to understand their life history processes but also for informing other important ecological processes such as the spread of wildlife disease and habitat alteration. Animal migrations have been impacted by human… more Full Text: i Assessing the drivers of white-tailed deer (Odocoileus virginianus) migration: Exploring changing predation risk and food availability in an Ontario population A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Muskrat populations are declining across North America. In recent decades, hybrid cattail Typha x glauca has been invading wetlands in North America. This invasion is degrading wetland habitat, leading to reduced interspersion of water and vegetation. Muskrats are wetland-obligates and their populations are positively linked to marsh interspersion. Therefore, muskrat populations may be… more Full Text: Impacts of invasive hybrid cattail Typha x glauca and reduced marsh interspersion on muskrats (Ondatra zibethicus) in North America A thesis submitted to the Committee on Graduate Studies in partial fulfillment of the requirements for the degree of Master …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Fungi are a diverse group of organisms that play crucial roles in various ecological processes and have immense economic importance. Understanding the intricate mechanisms underlying fungal growth and development is fundamental to harnessing their potential and exploring their applications in different fields. Signalling molecules, such as hormones, have been identified as key regulators… more Full Text: The search for myco-hormones in the metabolome of the model organism Sordaria macrospora via LC-MS/MS. A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirement for the Degree of Master of Science In the Faculty of …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Sexual agency is receiving more attention in sexuality research though its contribution to sexual well-being has yet to be determined. Sexual agency has been theorized as an overarching concept comprised of both internal and external components. Both feelings and behaviours in the sexual domain can be impacted by prevalent culturally prescribed sexual scripts. The present study assessed… more Full Text: THE INTERRELATIONSHIPS BETWEEN SEXUAL AGENCY, SEXUAL CONSENT COMMUNICATION, SEXUAL MOTIVATIONS, AND POSITIVE SEXUAL EVALUATIONS A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfilment of the Requirements for the Degree of Master of …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Knight, Caitlyn, Thesis advisor (ths): Kapron, Carolyn, Degree committee member (dgc): Tobin, Stephanie, Degree committee member (dgc): Huber, Robert, Degree committee member (dgc): West, Sarah, Degree granting institution (dgg): Trent University Abstract: <p>Cadmium is a toxic metal that has detrimental effects on blood vessel development and function. To examine the effect of varying concentrations of cadmium on angiogenesis, two in vitro assays were used. First, developing yolk sac blood vessels were studied in gestation day 8 mouse embryos exposed to medium alone, 1.25, or 1.75 μM cadmium chloride (CdCl2). Embryos exposed to 1.25 μM… more Full Text: Concentration-Dependent Effects of Cadmium on Mouse Angiogenesis In Vitro A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Science in the Faculty of Arts and Science TRENT UNIVERSITY …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Phosphorus is the growth-limiting nutrient in freshwater environments. Dissolved organic phosphorus (DOP) refers to phosphorus within dissolved organic matter (DOM). Much of DOP is bioavailable, but it is poorly understood due to its complexity. This thesis explores the export DOP to Lake Erie from its tributaries, by investigating its speciation and concentration seasonally through… more Full Text: DISSOLVED ORGANIC PHOSPHORUS AND DISSOLVED ORGANIC MATTER IN LAKE ERIE AND ITS TRIBUTARIES A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Faculty of Arts and …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Wetlands are highly susceptible to the invasion of invasive species. The invasive hybrid cattail (Typha × glauca) is prevalent in the southeastern Prairie Pothole Region (PPR) wetlands. However, concerns arise about its recent proliferation in the northwestern PPR without maternal T. angustifolia. To determine taxonomic distribution, I used species-specific PCR-RFLP and microsatellite… more Full Text: Range Expansion of Invasive Hybrid Cattails (Typha × Glauca) in the Prairie Pothole Region A Thesis submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Faculty of Arts and …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>I investigated the climate vulnerability of a cold-water salmonid by observing the upper thermal tolerance of brook trout (Salvelinus fontinalis) across multiple life stages. Using hatchery- and wild-ancestry fish, I assessed variation in thermal tolerances and carryover effects within and among brook trout life stages and populations that were reared under varying winter thermal regimes… more Full Text: Impacts of embryo incubation temperature on ontogenic thermal tolerance of brook trout (Salvelinus fontinalis) A Thesis submitted to the Committee on Graduate Studies In Partial Fulfillment of the Requirements for the Degree of Master of Science in the …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Despite the extensive application of Baumrind's parenting style typology, some argue that it may not adequately capture the implicit warmth Chinese parents embrace. This study attempted to examine whether mind-mindedness could be a key indicator for helping children understand the benevolent intentions behind their mothers' authoritarian parenting practices. Specifically, this… more Full Text: DOES MIND-MINDEDNESS MATTER? UNDERSTAND THE CONNECTION BETWEEN PARENTING STYLES AND PRESCHOOLERS’ INTERNALIZING AND EXTERNALIZING BEHAVIOR PROBLEMS FROM A CULTURAL LENS A Thesis Submitted to the Committee of Graduate Studies in Partial Fulfillment of the …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>The transition from student to newly graduated nurse (NGN) can be a period filled with significant stress and uncertainty as NGNs are required to develop and refine practical skills, learn to work with interdisciplinary team members, and adjust to their new professional identity. Clinical externships provide students an opportunity to work alongside nurses as unregulated healthcare… more Full Text: USING INTERPRETIVE DESCRIPTION TO EXPLORE HOW PARTICIPATION IN A CLINICAL EXTERNSHIP INFLUENCES THE TRANSITION TO PRACTICE OF NEWLY GRADUATE NURSES A thesis submitted to the Committee on Graduate Studies in partial fulfillment of the requirements for the …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Giardia intestinalis is a parasitic protozoan that possesses a flavohemoglobin (gFlHb), an enzyme that plays a role in the detoxification of reactive nitrogen species (RNS) and reactive oxygen species (ROS) via its nitric oxide dioxygenase (NOD) activity as well as its NADH-oxidase activity. This enzyme is a potential target for imidazole-based antigiardial drugs that act as ligands of… more Full Text: Rapid Assays to Test for Flavohemoglobin Inhibitors A thesis submitted to the Committee of Graduate Studies in partial fulfillment of the requirements for the degree of Master of Science in the Faculty of Arts and Science Trent University Peterborough, …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Eutrophication is an ongoing global problem and agriculture is an important non-point source of nutrient loading. Specifically, nitrogen (N) and phosphorus (P) losses from agricultural landscapes continue to drive water quality issues. In southern Ontario, agriculture has intensified in recent decades, with major expansions of cash crop production and extensive tile drainage (TD).… more Full Text: Effects of tile drainage, seasonality, and cash crop rotation on edge-of-field nitrogen and phosphorus losses from southern Ontario Watersheds A thesis submitted to the Committee on Graduate Studies In partial fulfillment of these thesis requirements for …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Sexual health education (SHE), specifically formal SHE, can play a key role in offering individuals the necessary information, motivation, and skills needed to maintain and improve their sexual health. This study used a survey-based approach to explore the relationship between Canadians' (N = 675) perceived quality of SHE and their feelings and behaviours related to sexual consent… more Full Text: THE IMPACT OF SEXUAL HEALTH EDUCATION ON SEXUAL COMMUNICATION AND CONSENT NEGOTIATION A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfilment of the Requirements for the Degree of Master of Science in the Faculty of Arts and Science …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>We studied the physiological and molecular responses of lab-grown Daphnia pulex to shifts in dietary (carbon, nitrogen, phosphorus, and cyanobacteria) and growth media (calcium) nutrient supply using a set of potential biomarkers via qPCR. Each examined nutrient had a strong effect on Daphnia mass-specific growth rate, and we found significant dose-dependent effects of treatment level (… more Full Text: GENES RESPOND IN A DOSE-DEPENDENT MANNER TO NUTRITIONAL STRESS IN THE FRESHWATER ZOOPLANKTER, DAPHNIA PULEX A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Due to climate change and managed care, birds may face interacting effects of novel diets and environmental temperatures. I examined how captive zebra finches (Taeniopygia guttata) responded to a 6-month acclimation to either thermoneutral or cool temperatures when provided with saturated or unsaturated fatty acid enriched diets. Body mass was lower on the unsaturated fatty acid diet,… more Full Text: DIETARY FATTY ACID CONTENT CHANGES THE LONG-TERM ACCLIMATION RESPONSE OF A CAPTIVE BIRD (TAENIOPYGIA GUTTATA) TO AMBIENT TEMPERATURES A Thesis Submitted to the Committee on Graduate Studies In Partial Fulfillment of the Requirements for the Degree of …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Agricultural and urban land uses have been linked to the recent resurgence of eutrophication and salinization issues in the lower Great Lakes. This thesis examined the relationship between watershed land use and stream nitrate-nitrogen (NO3-N), total phosphorus (TP), and chloride (Cl) concentrations across southern Ontario. Using a self-organizing map analysis, the watersheds were… more Full Text: EVALUATING THE RELATIONSHIPS BETWEEN LAND USE AND STREAM NUTRIENT AND CHLORIDE CONCENTRATIONS ACROSS SOUTHERN ONTARIO A thesis submitted to the Committee of Graduate Studies in partial fulfilment of the requirements for the Degree of Master of Science in …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Recovery of forest soils from chronic acidification can be enhanced with the use of non-industrial wood ash (NIWA). Non-industrial wood ash is alkaline and contains high concentrations of macronutrients, but trace metal concentrations must be evaluated to limit risk of metal toxicity following application. Additionally, understanding how different forest ecosystem components respond to… more Full Text: Biogeochemical Responses to a Non-Industrial Wood Ash Addition in a SouthCentral Ontario Forest A thesis submitted to the Committee of Graduate Studies in partial fulfillment of the requirements for the degree of Master of Science in the Faculty of Arts …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Brick, Kasandra Julie Anne, Thesis advisor (ths): Keske, Eric C, Degree committee member (dgc): Maly, Kenneth, Degree committee member (dgc): Zenkina, Olena, Degree committee member (dgc): Vreugdenhil, Andrew, Degree granting institution (dgg): Trent University Abstract: <p>The synthesis of biaryls through transition metal catalyzed cross-coupling reactions has been instrumental for synthetic organic chemists. The Hiyama reaction, which features organosilicon derived cross-coupling partners with aryl chlorides, remains relatively underdeveloped compared to other cross-coupling reactions. In this thesis, it is demonstrated that bench stable Palladium N-… more Full Text: PALLADIUM N-HETEROCYCLIC CARBENE COMPLEXES IN CROSS-COUPLING REACTIONS: LIGAND AND CATALYST DEVELOPMENT A Thesis Submitted to the Committee of Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Faculty …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>The significance of nursing retention in today's healthcare system is more prominent than ever before. The purpose of this study was to answer the question: What do Registered Nurses understand about their intention to stay at Ontario rural hospitals? A qualitative descriptive phenomenological approach was used to conduct this study. Ten Registered Nurses from rural hospitals were… more Full Text: REGISTERED NURSES’ INTENTION TO STAY WORKING IN ONTARIO RURAL HOSPITALS A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Faculty of Nursing TRENT UNIVERSITY …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>I used 31 years of Semipalmated Plover (Charadrius semipalmatus) population data to assess the effects of vital rates on a local breeding population of plovers in Churchill, Manitoba, Canada. I used three similar Bayesian Integrated Population Models (IPMs), with the last a coupled IPM population viability analysis (PVA) approach to predict the impact of changing spring temperatures on… more Full Text: Thirty Years of Local Semipalmated Plover (Charadrius semipalmatus) Population Dynamics in Churchill, Manitoba, Canada: A Long-Term Study on Factors Influencing the Rate of Population Change Over Time A Thesis submitted to the Committee on Graduate …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Quantifying the impacts of environmental conditions on the abundance of wildlife populations is important for making informed management decisions in the face of increasing environmental threats. Managers require robust tools to estimate abundance and density of wildlife rapidly and with precision. Within the context of studying white-tailed deer, I evaluated the use of camera-traps and… more Full Text: Remote Camera-traps as a Management Tool: Estimating Abundance and Landscape Effects on the Density of White-tailed Deer A Thesis Submitted to the Committee of Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>There is a `universal' picture of a charged domain wall (CDW) in theoretical work, often depicted as residing in an infinite thickness film, charge neutral, and with no bias voltage applied. However, in experiment CDWs are shown with none of these assumptions. CDWs are produced in thin or ultra-thin films, the CDW is not charge neutral, and a bias voltage is being applied. We look… more Full Text: Models of Charged Domain Walls A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Faculty of Arts and Science. Trent University Peterborough, Ontario, Canada …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Abstract: <p>Hybridization contributes to the genetic diversity and can impact speciation. This study investigates the genetic evidence of recent hybridization under climate change in sympatric populations of northern and southern flying squirrels in Ontario. Using low-coverage whole-genome sequences, my research examines the existing population structure and measures the genomic variation of the… more Full Text: 1 2 3 GENOMIC SIGNATURES OF SPECIATION IN SYMPATRIC FLYING SQUIRRELS 4 5 6 7 8 9 A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Faculty of Arts and Science 10 …
Year: 2024, 2024
Member of: Trent University Graduate Thesis Collection
Name(s): Creator (cre): Miller, Hannah, Thesis advisor (ths): Murray, Dennis L, Degree committee member (dgc): Schaefer, Jim, Degree committee member (dgc): Burness, Gary, Degree committee member (dgc): Raby, Graham, Degree granting institution (dgg): Trent University Abstract: <p>I tracked summer movements and activity of snowshoe hares (Lepus americanus) in southwestern Yukon, Canada, during their population cycle (2015–2022) to assess the primary drivers of movement. Hares exhibited variable movement and activity during the cycle, exhibiting increased home range size and higher daily displacement during low population densities. Males exhibited more dramatic… more Full Text: SUMMER MOVEMENT ECOLOGY OF SNOWSHOE HARES (LEPUS AMERICANUS) DURING A POPULATION CYCLE A Thesis Submitted to the Committee on Graduate Studies in Partial Fulfillment of the Requirements for the Degree of Masters of Science in the Faculty of Arts and …
