Trent University Graduate Thesis Collection

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    tula:etd
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    Copyright for all items in the Trent University Graduate Thesis Collection is held by the author, with all rights reserved, unless otherwise noted.
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    The effect of oncology camp on the psychosocial health of childhood cancer patients

    Year: 2023, 2023
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): O'Connell, Sarah Caroline, Thesis advisor (ths): West, Sarah L, Degree committee member (dgc): Kerr, Leslie, Degree committee member (dgc): Wells, Greg D, Degree granting institution (dgg): Trent University
    Abstract: <p>Objectives/purpose: This study examined the psychosocial health (including resilience, hope, social functioning, mental wellbeing, and stress) of childhood cancer patients attending a recreational oncology camp (ROC).Methods: Childhood cancer patients enrolled for ROC participated in a survey on the first (T1) and last (T2) day of camp, and 3 months post-camp (T3). This survey included… more

    Effects of Opioids on the Development and Reproductive Capacity of Japanese Medaka, Oryzias latipes

    Year: 2021, 2021
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Fischer, Abraham J, Thesis advisor (ths): Metcalfe, Chris D, Degree committee member (dgc): Kerr, Leslie, Degree committee member (dgc): Parrott, Joanne, Degree granting institution (dgg): Trent University
    Abstract: <p>Opioid drugs are among the microcontaminants that are discharged with domestic wastewater into the aquatic environment with the potential to affect the development and reproductive capacity of aquatic organisms. To study the effects of exposure of fish to opioid drugs, Japanese medaka (Oryzias latipes) were exposed over a full life cycle to environmentally relevant (i.e. ng/L)… more

    Effect of the neonicotinoid imidacloprid on embryogenesis and anuran survivorship in frog virus 3 infected tadpoles

    Year: 2017, 2017
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Hrynyk, Morgan Anne, Thesis advisor (ths): Metcalfe, Chris, Degree committee member (dgc): Kerr, Leslie, Degree committee member (dgc): Brunetti, Craig, Degree granting institution (dgg): Trent University
    Abstract: <p>Exposure of pre-metamorphic amphibians to neonicotinoid insecticides may be contributing to the global decline in amphibian populations. In this study, anuran embryos and tadpoles of the African clawed frog (Xenopus laevis) and the North American leopard frog (Lithobates pipiens) were used to determine the effects of embryonic exposure to neonicotinoids. In addition, Xenopus was used to… more

    Constraints on phenotypic plasticity in response to predation risk: Carryover effects, maternal investment, and the starvation-predation risk trade-off

    Year: 2014, 2014
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Bennett, Amanda Maria, Thesis advisor (ths): Murray, Dennis L, Degree committee member (dgc): Burness, Gary, Degree committee member (dgc): Kerr, Leslie, Degree committee member (dgc): Ridgway, Mark, Degree granting institution (dgg): Trent University
    Abstract: <p>Inducible defenses are plastic responses by an organism to the perception of predation risk. This dissertation focuses on three experiments designed to test the hypothesis that plastic ability is limited by energetic constraints. Chapter 1 provides a general introduction to phenotypic plasticity research and the theoretical costs and limitations affecting the expression of plastic traits… more

    Neonatal Environment Influences Behavioural and Physiological Reactivity to Stressors, and Mammary Gland Development in BALB/c Mice: Implications for Breast Cancer Risk

    Year: 2014, 2014
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Kenniphaas, Kyle, Thesis advisor (ths): Kerr, Leslie, Degree committee member (dgc): Kennett, Deborah, Degree committee member (dgc): Saville, Barry, Degree granting institution (dgg): Trent University
    Abstract: <p>Using rodent models, it is possible to study the behavioural and physiological outcomes of early life stress and the influences on normal mammary gland development and carcinogenic risk. Results demonstrate that the experience of three weeks of prolonged maternal separation (LMS; 4 hrs/day) increased the susceptibility of adult, but not pubertal, female BALB/c mice to engage in higher… more