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Articles 1 - 10 of 10
Full-Text Articles in Physical Sciences and Mathematics
Preparation Of Organometallic Cobalt(Iii) Complexes Containing Bidentate Chiral Amine Ligands As Potential Transfer Hydrogenation Catalysts, Luccas C. Do Carmo
Preparation Of Organometallic Cobalt(Iii) Complexes Containing Bidentate Chiral Amine Ligands As Potential Transfer Hydrogenation Catalysts, Luccas C. Do Carmo
Honors Theses
Mixed coordination sphere cobalt(III) complexes containing a chiral bidentate amine ligand and an organic carbocyclic ligand have been prepared and characterized. The integration of this mixed ligand environment involving an organometallic and Werner-type ligand along with the earth abundant metal in a high oxidation state has the potential for interesting reactivity. Complexes of the type [Co(CpR)(X-DPEN)(I)](I), where CpR = cyclopentadienyl (Cp, R = H) or pentamethylcyclopentadienyl (Cp*, R = Me) and X = meso-1,2-, 1R,2R-, and 1S,2S-, have been prepared by ligand substitution from [Co(CpR)(I)2(CO)] with 1,2-diphenyletheylenediamine (DPEN). The outer sphere iodide is readily exchangeable with sodium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate (NaBArF) or …
Active Colloid Behavior Exhibiting Soft-Sphere Characteristics For Non-Newtonian Solvent, Courtney Baier
Active Colloid Behavior Exhibiting Soft-Sphere Characteristics For Non-Newtonian Solvent, Courtney Baier
Honors Theses
The purpose of analyzing soft-sphere Brownian particles with varying velocities and densities is to be able to predict their interaction behavior once a force has been applied. The particles portray different behaviors depending on if the particles are passive or active Brownian particles. The data studied was collected from simulations, and there are no attractive forces involved in the particles’ interactions. Mean square displacement graphs, radial distribution graphs, structure factor graphs, and viscosity as a function of density and velocity were used to examine and compare the data generated. Experimental data was analyzed by a program to be interpreted into …
Lipid Modification In Aeromonas Salmonicida Through Exogenous Polyunsaturated Fatty Acid Incorporation, Rachel Hofer
Lipid Modification In Aeromonas Salmonicida Through Exogenous Polyunsaturated Fatty Acid Incorporation, Rachel Hofer
Honors Theses
Aeromonas salmonicida is a Gram-negative bacterium that can infect a wide host range of fish populations, including salmonids and non-salmonids as well as freshwater and marine life. A. salmonicida causes the disease furunculosis, which can cause lethargy, intestinal inflammation, ulcers, hemorrhaging, and death. The infection is spread through fish-to-fish contact, and the presence of infection can have devastating effects on cultivated fish populations. The purpose of this study was to explore the ability of A. salmonicida to incorporate polyunsaturated fatty acids (PUFAs) into its lipid profile and test the phenotypic effects thereof. A. salmonicida cultures were grown in minimal media …
Theoretical Studies Of Naphthoquinone Reactivity Toward Amines, Kevin Lee
Theoretical Studies Of Naphthoquinone Reactivity Toward Amines, Kevin Lee
Honors Theses
Quinones are a class of organic compounds containing a six-membered unsaturated cyclic ring with two carbonyl groups and are biologically relevant due to their ability to participate in redox reactions. Experiments have showed that quinones can induce protein modifications including oligomerization and polymerization by binding to proteins. To complement these experimental studies, theoretical studies of naphthoquinone reactivity toward an amino group were conducted. The reactions between three naphthoquinones, 1,2-naphthoquinone (ONQ), 1,4-naphthoquinone (PNQ), and 2-hydroxy-1,4-naphthoquinone (HNQ), and methylamine, a N-containing nucleophile, were investigated. For each naphthoquinone, the first step of both 1,2- and 1,4-additions at all possible C=O positions were examined. …
The Effects Of Animal-Assisted Therapy On Participation In Rehabilitation In A Patient Post-Stroke: A Case Study, Chloe Cross
The Effects Of Animal-Assisted Therapy On Participation In Rehabilitation In A Patient Post-Stroke: A Case Study, Chloe Cross
Honors Theses
The human-animal bond is a powerful and emotional connection. The bond between dogs and people can provide numerous physiological and psychological benefits as well as potentially increasing the human’s quality of life. Animal-assisted therapy (AAT) utilizes the human-animal bond by incorporating a dog into the patient’s rehabilitation therapy. This case study examines if AAT sessions increase a stroke patient’s participation in the rehabilitation sessions when compared to normal sessions. Participation in therapy reduces the length of stay for patients, improves outcome measures, and lessens the effects of depression.A key part of stroke rehabilitation is incorporating exercises that increase neuroplasticity. One …
Designing A General Education Course On The Societal Impacts Of Artificial Intelligence, Vincent Rollins
Designing A General Education Course On The Societal Impacts Of Artificial Intelligence, Vincent Rollins
Honors Theses
Most colleges, including UTC, already offer an artificial intelligence course (CPSC 4440) as part of their computer science curricula. Such courses are meant to explain the technology behind these elaborate systems, but these courses often neglect extensive coverage of the real-world impacts of the technology itself. UTC also offers a course entitled “Ethical and Social Issues in Computing” that does convey the importance behind the advances of computer technology and its impacts, but this course is practically available only to computer science majors. There is no generalized and widely available course that covers the technological, economic, cultural, philosophical/theological, and ethical …
Evaluation Of Different Research Methodologies For Acoustic Monitoring Of Anuran Populations, Richard Alexander Schwartz
Evaluation Of Different Research Methodologies For Acoustic Monitoring Of Anuran Populations, Richard Alexander Schwartz
Honors Theses
Amphibians are important for a wide variety of reasons. However, in recent years their global populations have seen a sharp decline. It is therefore increasingly important to conduct research relevant to their protection and success. The main way this is accomplished with anurans is through the monitoring of male vocalizations. This can take the form of Manual Call Surveys, Automated Recording Systems, or some hybridization of the two. However, selection of the proper research method can be complex and time-consuming, and use of the incorrect method can result in wasted funding and useless data. Very few studies have been recently …
Influence Of Environmental Conditions On Fatty Acid-Induced Changes In Vibrio Cholerae Persistence And Pathogenicity, Abigail Doyle
Influence Of Environmental Conditions On Fatty Acid-Induced Changes In Vibrio Cholerae Persistence And Pathogenicity, Abigail Doyle
Honors Theses
Vibrio cholerae, a Gram-negative bacterium, is responsible for the acute intestinal infection known as cholera. This illness is due in part to V. cholerae’s ability to sense and adapt to changing environments as it is ingested into the human body from brackish environments. It was shown in recent studies that this bacteria has the ability to uptake exogenous fatty acids, resulting in changes to V. cholerae persistence and pathogenicity. The aim of this research is to determine the extent to which these additional exogenous UFAs influence the persistence and pathogenicity of V. cholerae throughout its transitional period from brackish environments …
Exploring The Potential For Rare And Common Borodinia Species To Acclimate To Change, Garrett Allen
Exploring The Potential For Rare And Common Borodinia Species To Acclimate To Change, Garrett Allen
Honors Theses
An important ecological question that remains unanswered is why some species are rare while others are common. Because the natural world is dynamic, in order to persist, species must successfully respond to the environmental changes they experience. The ability to be plastic may be especially important to the survival of species in the face of rapid environmental change because such quick change does not offer species time to migrate or adapt. Consequently, differential plasticity between rare and common species, with rare species possessing less plasticity than common species, could help explain the differing successes of persisting in a large geographic …
Edge Effects And Diversity Of Understory And Canopy Cloud Forest Beetles, Mallory Barbier
Edge Effects And Diversity Of Understory And Canopy Cloud Forest Beetles, Mallory Barbier
Honors Theses
Habitat fragmentation results in edge effects— changes in diversity and community composition along high-contrast forest edges. To date, a study of edge effects on beetle diversity has not been performed in tropical cloud forests, and few studies compare communities at both understory and canopy levels. Using bottle traps, I sampled canopy and understory beetle communities in a tropical lower montane cloud forest of Monteverde, Costa Rica across three distances (edge- 15 m, middle- 100 m, far- 205 m) along an edge-to-interior transect into the forest. According to the Shannon-Weiner diversity index, the site with the most diversity was the middle …