Trent University Graduate Thesis Collection

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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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    Rapid Assays to Test for Flavohemoglobin Inhibitors

    Year: 2024, 2024
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Henao, Elias, Thesis advisor (ths): Rafferty, Steven, Degree committee member (dgc): Brunetti, Craig, Degree committee member (dgc): Martic, Sanela, Degree granting institution (dgg): Trent University
    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

    Electrochemical versus Chemical Oxidation of Bulky Phenols: 2,6-diphenylphenol and 2,2-dihydroxybiphenol

    Year: 2023, 2023
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Gao, Stephanie, Thesis advisor (ths): Martic, Sanela, Degree committee member (dgc): Shetranjiwalla-Merchant, Shegufta, Degree committee member (dgc): Stock, Naomi, Degree granting institution (dgg): Trent University
    Abstract: <p>Phenolic compounds are used in industry, such as agriculture and biotechnology, and inevitably end up in our environment. These compounds may serve as a phenolic precursor to produce raw materials for a wide range of applications. Chemical oxidation has been the common synthetic pathway to oxidize phenols and related compounds. However, traditional chemical approaches suffer from use of… more

    Electrochemical and Surface Analysis of Metal Ions and TDP-43 Protein Interactions

    Year: 2023, 2023
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Tabobondung, Meaghan O. F., Thesis advisor (ths): Martic, Sanela, Degree committee member (dgc): Emery, Neil, Degree committee member (dgc): Huber, Robert, Degree granting institution (dgg): Trent University
    Abstract: <p>Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disorder characterized by progressive loss in function of motor neurons. Elevated levels of biologically important metal ions, such as copper (II) (Cu(II)), zinc (II) (Zn(II)) or iron (III) (Fe(III)), may contribute to the disease. Moreover, Cu(II) interactions with other proteins associated with ALS have been investigated;… more

    SARS-CoV-2 Protein-based Detection Using Localized Surface Plasmon Resonance

    Year: 2022, 2022
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Lewis, Tyra Marie, Thesis advisor (ths): Martic, Sanela, Degree committee member (dgc): Emery, Neil, Degree committee member (dgc): Saville, Barry, Degree granting institution (dgg): Trent University
    Abstract: <p>During the COVID-19 pandemic, nucleic acid and antibody-based testing methods were heavily relied upon, but can be costly, time-consuming and exhibit high false -negative and -positive rates. Thus, alternative strategies are needed. Viral antigens such as the SARS-CoV-2 spike (S) glycoprotein are critical in the function of the virus and useful as diagnostic biomarkers for viral… more

    Using Fluorescent Carbon Dots for Biosensing Applications of Amino Acids

    Year: 2022, 2022
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Camilus, Nayomi Shalika, Thesis advisor (ths): Martic, Sanela, Degree committee member (dgc): Vreugdenhil, Andrew, Degree committee member (dgc): Yee, Janet, Degree granting institution (dgg): Trent University
    Abstract: <p>Amino acids make up proteins, which are the building blocks of life. A balance of amino acids is needed to maintain a healthy state. Tyrosine (Tyr) is synthesized from the metabolism of phenylalanine, which is an essential amino acid, meaning it can only be obtained from the diet. It is related to many metabolic and neurodegenerative diseases. Tyr can undergo post-translational… more

    Immunotherapies Targeting the Amyotrophic Lateral Sclerosis-Associated Protein TDP-43

    Year: 2021, 2021
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Esposto, Josephine, Thesis advisor (ths): Martic, Sanela, Degree committee member (dgc): Rafferty, Steven, Degree committee member (dgc): Huber, Robert, Degree granting institution (dgg): Trent University
    Abstract: <p>Transactive response (TAR) DNA-binding protein of 43 kDa (TDP-43) pathology, including fibrillar aggregates and mutations, develops in amyotrophic lateral sclerosis (ALS) and is characterized by hyperphosphorylation and aggregation patterns, a mechanism largely understudied. In addition, ALS remains without a cure. Herein, in vitro aggregation of phosphorylated TDP-43 was explored, and… more

    Electrochemical Biosensors for Neurodegenerative Disease Biomarkers: Investigations into the origin and diagnosis of Alzheimer's disease and amyotrophic lateral sclerosis

    Year: 2021, 2021
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Wallace, William, Thesis advisor (ths): Martic, Sanela, Degree committee member (dgc): Rafferty, Steven, Degree committee member (dgc): Vreugdenhil, Andrew, Degree granting institution (dgg): Trent University
    Abstract: <p>The onset of neurodegenerative diseases such as Alzheimer's disease (AD) and amyotrophic lateral sclerosis (ALS) are typically characterised by the aggregation of protein biomarkers into cytotoxic fibrils. Novel means of analysing these biomarkers are needed to expand the literature toward earlier diagnosis of these conditions. Electrochemical sensors could offer the sensitivity and… more

    Characterizing the demographic history and prion protein gene variation to infer susceptibility to chronic wasting disease in a naïve population of white-tailed deer (Odocoileus virginianus)

    Year: 2021, 2021
    Member of: Trent University Graduate Thesis Collection
    Name(s): Creator (cre): Haworth, Sarah, Thesis advisor (ths): Shafer, Aaron B.A., Thesis advisor (ths): Northrup, Joseph M., Degree committee member (dgc): Martic, Sanela, Degree granting institution (dgg): Trent University
    Abstract: <p>Assessments of the adaptive potential of natural populations are essential for understanding and predicting responses to environmental stressors like climate change and infectious disease. The range of stressors species face in a human-dominated landscape, often have contrasting effects. White-tailed deer (Odocoileus virginianus, deer) are expanding in the northern part of their range… more