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Articles 1 - 6 of 6
Full-Text Articles in Biology
Invasion Of The Northeastern United States By The Southern Pine Beetle, Dendroctonus Frontalis, And The Impacts On Signatures Of Isolation By Distance Assessed Using Mitochondrial Dna, Lora Grace Holman
Honors Theses
The southern pine beetle (SPB) is a small, black beetle that parasitizes pine trees across the United States and Central America. Recently it has been recognized that the range of SPB is not limited to the southern United States, but rather extends northward across the eastern United States, which raises concerns for pine trees that have never encountered the pest before. Using mitochondrial DNA sequences from a section of the cytochrome oxidase I gene and four different measures of genetic distance compared to geographic distance, we tested for evidence of isolation by distance (IBD) among sampled SPB to see whether …
The Synthesis And Characterization Of Ionic Liquids Using Nitrogen-Based Cations For Transdermal Delivery, Jo Galloway
The Synthesis And Characterization Of Ionic Liquids Using Nitrogen-Based Cations For Transdermal Delivery, Jo Galloway
Honors Theses
The purpose of this research was to explore the synthesis mechanisms of water-soluble ionic liquids with nitrogen-containing cationic bases for future use in transdermal drug delivery and forensic science applications. Ionic liquids are salts with an organic cation and either an organic or inorganic anion. They have asymmetric structures, which means that the molecules don’t pack together as neatly as other salts do, therefore, they don’t crystallize as easily, and their melting points are lower. Ionic liquids have melting points below 100°C, and many are liquid at room temperature. Mechanistic studies reveal that the potency of ILs in enhancing transdermal …
Developing A Novel Place Preference Assay To Compare Drosophila Species Over Time, Martha M. Brinson
Developing A Novel Place Preference Assay To Compare Drosophila Species Over Time, Martha M. Brinson
Honors Theses
Across phylogeny, integration of external factors, memory, and internal states of the organism dictate organismal behavior and mechanisms. The underlying genetic components can affect these behaviors such as in genomic changes arising from speciation. In this thesis, a new place preference assay was evaluated in the analysis and investigation of two species of Drosophila flies (D. melanogaster and D. simulans) to measure similarities and differences and their attraction to two different food substrates. Sleep and circadian measurements were also recorded during experimentation. The Drosophila Activity Monitor 5M (DAM5M) System and Sleep Circadian Analysis MATLAB Program (SCAMP) analysis were …
Determining The Distribution Of Elemental Compounds And Oxidative Potential Across Fine Particulate Matter (Pm2.5) Filters, Allie Michelle Sidwell
Determining The Distribution Of Elemental Compounds And Oxidative Potential Across Fine Particulate Matter (Pm2.5) Filters, Allie Michelle Sidwell
Honors Theses
Fine particulate matter (PM2.5) is a complex mixture of particles and sorbed chemicals that poses serious, adverse effects on human health such as increasing cardiovascular and respiratory morbidity and mortality. There is ongoing research into the impacts of PM2.5 of differing chemical compositions, sampling location, and the mechanisms for the observed health effects. To conduct these analytical and toxicology studies of PM2.5, researchers often split filters into sections. This process allows multiple, often destructive, assays to be performed. Our previous research showed chemical composition differences across PM2.5 filters. The goal of our study was …
Discovery Of Truffles (Tuber Species) In North Mississippi Pecan Orchards, Scout Hodges
Discovery Of Truffles (Tuber Species) In North Mississippi Pecan Orchards, Scout Hodges
Honors Theses
This thesis describes a study conducted in the years 2019-2022, which aimed to discover a new species of truffle in the state of Mississippi. Tuber lyonii, more commonly referred to as the “pecan truffle,” is an ectomycorrhizal fungus found on the roots of pecan trees in much of the southeastern region of the United States. Though there are many truffles native to the United States, the pecan truffle is one of the few that has been found to have high culinary value. Given the plethora of pecan orchards in the state of Mississippi, I decided to search for evidence …
Analysis Of Test Anxiety In Human Anatomy And Physiology I Students At The University Of Mississippi, Anne Piazza
Analysis Of Test Anxiety In Human Anatomy And Physiology I Students At The University Of Mississippi, Anne Piazza
Honors Theses
Student anxiety, specifically test anxiety, is common hindrance to student performance in various courses including Human Anatomy and Physiology at the University of Mississippi. Through a sequence of three surveys we collected demographic information, anxiety data related to the course, and test anxiety in general We researched factors that could potentially influence student anxiety such as at what point in the semester the student is evaluated, when students feel the most stressed, outcomes on previous evaluations, and perceived outcomes of the course. We also examined what effect the anxiety has on the student such as lowered performance, lowered test scores, …