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Articles 2911 - 2940 of 3744
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Perceptions Of Cold Case Work In Mississippi Law Enforcement, Lindsey Pittman
Perceptions Of Cold Case Work In Mississippi Law Enforcement, Lindsey Pittman
Honors Theses
The purpose of this study is to see whether law enforcement personnel in Mississippi believe cold case units and, specifically, analysts are beneficial and worthwhile. This study will focus primarily on whether having used the Mississippi Cold Case Unit (MCCU) has had an impact on people’s perception of analysts and analytical methods within the law enforcement community. The study was conducted through the use of an online survey using Qualtrics Research Suite (Appendix A).The responses were then analyzed using the statistical software GraphPad Prism 6. Responses showed that there is very little difference in perception of the MCCU between those …
Evaluating The Efficacy Of Small Basis Sets And The Counterpoise Procedure To Reproduce Complete Basis Set Limit Higher-Order Correlation Corrections For Weakly Bound Molecular Clusters, Cara M. Thorne
Honors Theses
The efficacy of small basis sets and the counterpoise procedure to accurately reproduce higher-order correlation corrections, which are routinely employed to estimate CCSD(T) interaction energies at the complete basis set (CBS) limit using an additive scheme, was examined through the study of four dispersion-dominated dimer systems. The dimers of acetylene (HCCH), cyanogen (NCCN), diphosphorous (P2) and 1,4-diphosphabutadiyne (PCCP) were studied in three different configurations: cross, parallel-displaced and t-shaped at the intermolecular distance corresponding to the minimum point on the CCSD(T) potential energy curve (PEC) for each system using MP2, CCSD and CCSD(T) methods in conjunction with eight basis sets from …
Domain-Specific Probes For Calcium Binding To Neural Cadherin, Charles Ryan Humphries
Domain-Specific Probes For Calcium Binding To Neural Cadherin, Charles Ryan Humphries
Honors Theses
Cadherin is a major mediator of cell adhesion whose adhesive function is dependent upon calcium binding. However, the binding of calcium is not completely understood. The binding of calcium can be monitored using an abbreviated construct that contains only the first two extracellular domains (EC12) which includes two tryptophan residues, W2 and W113. Single tryptophan mutants were created which contain only W113 (W2A) and W2 (W113F). Fluorescence spectra were obtained of W2A, W113F, and WT in the presence and absence of calcium. Calcium titration data were collected for each protein. In both experiments, calcium binding increased the fluorescence signal of …
Defining College Experiences And Changing Drinking Trends Over The Course Of One Freshman Semester, Cipriano Louis Apicelli
Defining College Experiences And Changing Drinking Trends Over The Course Of One Freshman Semester, Cipriano Louis Apicelli
Honors Theses
The first semester of college is a formative stage in the lives of young adults. It is a period of transformation and adaptation, and certain experiences may set the tone for the rest of the student's college career. It has long been apparent that a number of problems at the level of secondary education can be traced to the use and, particularly, the abuse of alcohol. Problems with alcohol consumption as one of the contributing factors range from poor grades, emergency room visits, to events such as unwanted sexual advances and in extreme cases, even assaults. In this study, I …
Organic Farming In France: À La Mode Or A Mode Of Life?, Ellen L. Mallette
Organic Farming In France: À La Mode Or A Mode Of Life?, Ellen L. Mallette
Honors Theses
Organic farming, as opposed to conventional or traditional farming that employs the use of chemicals, is a method that was begun in the middle of the twentieth century, shortly after the end of World War II. In many ways it is a return to farming practices that were conducted for centuries until about the late 1800's when pesticides and fertilizers were introduced. The rise of organic farming has been occurring all over the world to varying degrees over the past few decades. The French have always had a strong connection to agriculture, food, and the preservation of tradition, so organic …
Boredom And Memory For Positively And Negatively Valenced Words, James Kirchner
Boredom And Memory For Positively And Negatively Valenced Words, James Kirchner
Honors Theses
The purpose of the present study was to determine whether boredom affected memory for positively and negatively valenced words in addition to class names (e.g., History) that were presented in an auditory modality while participants listened to a recorded script. This was accomplished by comparing the recall of a doodling group, who were asked to shade in shapes while listening to a recorded script, with a non-doodling group, who simply listened to the script. The results indicated that participants in the non-doodling group recalled more class names (e.g. History) from the script than participants in the doodling group. In addition, …
Dereplication And Prioritization Of Natural Product Extracts For Antifungal Drug Discovery, Kara Fowler
Dereplication And Prioritization Of Natural Product Extracts For Antifungal Drug Discovery, Kara Fowler
Honors Theses
The prevalence of opportunistic fungal infections in hospital settings are at alarming rates. Through technological advances in natural product research, plants have become a useful source for antifungal drug discovery. More samples can be screened at once, fractionated in less time, and biologically tested at smaller quantities. However, isolating antifungal compounds from these plant extracts and determining their specific chemical makeup can still take up a significant amount of time. Therefore, this thesis presents a prioritization technique to prevent the need to isolate every compound within an active fraction. With the guidance of literature research on the genus and species …
The Matrix Method Of Linear Dichroism, Kenna Collums
The Matrix Method Of Linear Dichroism, Kenna Collums
Honors Theses
This thesis discusses linear dichroism, and in particular the matrix method behind the spectroscopic technique. Linear dichroism uses the difference in the absorption of light that is parallel to the orientation axis and the absorption of light that is perpendicular to the orientation axis. From this process, the structure and function of molecules can be studied. The matrix method diagonalizes a Hamiltonian matrix with a unitary matrix. This Hamiltonian matrix is constructed from the transition energies, which are the diagonal elements, and coupling energies, which are off-diagonal elements.
Analysis Of Body Type Preferences Among Young Adults, Khyati Maheshkumar Ganatra
Analysis Of Body Type Preferences Among Young Adults, Khyati Maheshkumar Ganatra
Honors Theses
Based on a study conducted by Devendra Singh in 1993, it is believed that males prefer females with a lower waist-to-hip ratio of 0.7, as compared to higher ones. This may be due to the evolutionary advantage of these females being more fertile and able to reproduce. However, social media has been suggesting that thinner females are more attractive. One way society measures thinness is by a characteristic known as the 'thigh-gap' that many females strive to obtain. This study was conducted to discover whether or not a difference exists between males and females regarding their preference of the thigh-gap …
Bacteria Con Leche: Bacterial Populations And Antibiotic Resistance Within Conventional, Usda Organic, And Local Milk, Kristen M. Wilson
Bacteria Con Leche: Bacterial Populations And Antibiotic Resistance Within Conventional, Usda Organic, And Local Milk, Kristen M. Wilson
Honors Theses
Concerns over food production and processing, along with increasing outbreaks of foodborne illnesses and antibiotic resistant infections have led many consumers to seek alternative food sources in the organic and local food markets. This study compared conventional, USDA certified organic, and local farmer's market milk types to determine whether there is any noticeable benefit to purchasing organic or locally harvested milk in terms of their bacterial populations and level of antibiotic resistance. Samples from various milk types were plated on Tryptic Soy Agar and Milk Agar plates to enumerate bacteria, and the cultivated bacteria tested for resistance to the antibiotics …
Cardiovascular Protective Agents And Their Biochemical Role In Endothelial Cell Senescence, Nicholas Boullard
Cardiovascular Protective Agents And Their Biochemical Role In Endothelial Cell Senescence, Nicholas Boullard
Honors Theses
Cellular senescence is a slow, biological process of aging that involves the accumulation of various changes to the internal environment of a cell, most notably the buildup of acidic B-galactosidase. These changes, both structural and molecular in nature, disable metabolism of many cellular processes and eventually induce apoptosis. As cells divide, the ends of chromosomes, telomeres, slowly shorten. Once telomere shortening reaches critical levels, those chromosomes may no longer replicate properly, leading to cellular process complication and apoptosis. Telomerase is a reverse transcriptase that adds nucleotides to telomeres, elongating them and successfully delaying endothelial cell senescence. Endothelial cells serve an …
Roles And Regulations For Pharmacists In State-Level Disaster Relief Efforts, Rachel Lowe
Roles And Regulations For Pharmacists In State-Level Disaster Relief Efforts, Rachel Lowe
Honors Theses
Objective: The purpose of this study is to determine what expanded roles have been identified for pharmacists by the states in disaster relief efforts, what regulations currently exist for pharmacists in disaster relief efforts in each state, and whether or not disaster relief and public health training should be added to the pharmacy school curriculum. Methods: A cross-sectional, descriptive design was used to survey fifty-three boards of pharmacy via email and Qualtrics Survey Software. Results: Analysis of the survey results showed that most states lack a disaster preparedness plan and expanded roles for pharmacists in disaster relief efforts, and most …
Liberté, Égalité, Laïcité?: Defining French National Identity, Elizabeth Adair Abbot
Liberté, Égalité, Laïcité?: Defining French National Identity, Elizabeth Adair Abbot
Honors Theses
The French notion of laïcité, or secularism, originating from the French Revolution, today is engrained in the sense of French National Identity. In modern French society, this idea of laïcité is especially important in classrooms, which are seen as public, secular spaces where national identity is transmitted. This has created many problems with the recent increase in immigrants to France from traditionally Muslim North African countries, as demonstrated by the controversial headscarf ban in 2004. This thesis further examines these tensions in analyzing the Charte de Laïcité, issued by the government to be posted in all French public schools in …
An Evaluation Of Soil Extracellular Enzyme Activity In Response To Burning As A Forest Restoration Technique, William M. Steward
An Evaluation Of Soil Extracellular Enzyme Activity In Response To Burning As A Forest Restoration Technique, William M. Steward
Honors Theses
Burning is a method of forest restoration with the goal of returning natural tree species to ecosystems. Burning has a wide range of effects on an ecosystem, including the alteration of important soil processes and characteristics. One of the key components of soil is the activity of extracellular enzymes, which can be used to provide insight into the nutritional requirements of soil microbes as well as nutrient availability and cycling. Because enzymes are important in the overall functioning of soil and can be used to assess soil health, there is great need to examine the effects of burning on soil …
An Investigation Into Polyiodination Of Activated Benzene Derivatives With Electrophilic Aromatic Substitution Reactions, Dakota Gilbert
An Investigation Into Polyiodination Of Activated Benzene Derivatives With Electrophilic Aromatic Substitution Reactions, Dakota Gilbert
Honors Theses
The aim of this research is to investigate the periodination of benzene derivatives that are activated towards electrophilic aromatic substitution. In this research, a successful electrophilic aromatic substitution reaction was completed with procedures that used iodine with silver sulfate as an activating agent in the reaction mixture. The ball-milling technique with N-iodosuccinnimide as the iodinating reagent was also explored. Only one iodine was added onto 4-iodoanisole as the activated benzene derivative. When 2,4-dichloroanisole was the substrate, a small amount of diiodo product accompanied the monoiodo product, but no triiodo (periodinated) product was observed. Nonetheless, the trials of this research give …
Prepulse Inhibition Of The Acoustic Startle Reflex: Comparing Low And High Trait Anxious Individuals, Krista Sturm
Prepulse Inhibition Of The Acoustic Startle Reflex: Comparing Low And High Trait Anxious Individuals, Krista Sturm
Honors Theses
This investigation examined whether prepulse inhibition of the acoustic startle reflex was impaired among individuals with high trait anxiety compared to controls. PPI has traditionally been theorized to be a psychophysiological index of information processing and sensorimotor gating, and is now being used to help identify various psychological disorders. Although results of existing research on reduced PPI across the anxiety spectrum are equivocal, previous findings indicate that highly anxious (HA) participants exhibit significantly reduced PPI at lead intervals of 60 ms relative to low anxious (LA) controls. This study paired a 70 dB (A) white noise prepulse stimulus with a …
Mercury In Fish In North Mississippi Reservoirs: Statistical Analysis And Risk Assessment, Stacy Wolff
Mercury In Fish In North Mississippi Reservoirs: Statistical Analysis And Risk Assessment, Stacy Wolff
Honors Theses
Mercury (Hg) is a pollutant of particular concern because it is wide-spread, persistent, and poses a serious risk to human health. Once released into the atmosphere, it cycles through the environment by a series of complex biogeochemical processes. Upon deposition to aquatic ecosystems, inorganic mercury can be transformed to methylmercury by microorganisms. Methylmercury is a known human neurotoxin that can bioacculmulate in fish tissue and biomagnify up aquatic food chains. Consumption of contaminated fish is the primary route of human exposure to methylmercury. The Mississippi Department of Health has issued fish consumption advisories for Grenada and Enid Lakes in the …
Jacina's Worldview 2.0: Revisiting, Refinding, And Refining Faith In The University Years, Jacina Shultz
Jacina's Worldview 2.0: Revisiting, Refinding, And Refining Faith In The University Years, Jacina Shultz
Honors Theses
In this non-fiction, 44-page, creative extended essay, I revisit my worldview essay from HONS105-106 Western Heritage, specifically focusing on my belief in a loving God. I trace my path to this belief, beginning with my freshmen year of college when I first started to question its legitimacy. Though teetering on the edge of agnosticism, I eventually learned how a belief in a loving God need not be a blind one. I came to understand what it means to have a relationship with God. This project reconstructs the reasoning that verified to me that a faith in God does not have …
The Origins Of An Everyday Behavior: Why Do People Share Meals?, David Lee
The Origins Of An Everyday Behavior: Why Do People Share Meals?, David Lee
Honors Theses
Humans are socially driven creatures that require constant interaction. One way humans have consistently expressed their social nature since prehistory is through sharing meals. Recent studies and literature were examined in order to investigate the roots behind why sharing meals has been the most consistent method of social output. Through careful reading and analysis, reasons behind why people share meals were traced in perspective levels. The biological and molecular aspect explains how humans evolved from prehistoric primates and their similarities associated with food consumption. Genetics and food preferences also play a role by allowing humans to taste food rather than …
Cytosolic Carboxypeptidase 5 And Cilia Development In Zebrafish, Philip E. Giddings Iv
Cytosolic Carboxypeptidase 5 And Cilia Development In Zebrafish, Philip E. Giddings Iv
Honors Theses
My research project is focused around a specific gene - cytosolic carboxypeptidase 5 (CCP5). Previous research suggests that the CCP5 gene is essential for the modification of alpha-tubulin which is necessary for normal growth of cilia in the olfactory pit of zebrafish. Using a CCP5-MO to knockdown the gene I was able to compare the resulting phenotype to that of a control specimen in order to determine any visible differences with respect to cilia morphology. Through analysis by scanning electron miscroscopy I wasw able to that cilia morphology did appear to be effected by the knockdown of CCP5. However, similar …
The Role Of Sabbath-Keeping, Christian Internalization, Need Satisfaction, And Parental Environment In Well-Being, Paola S. Caceres
The Role Of Sabbath-Keeping, Christian Internalization, Need Satisfaction, And Parental Environment In Well-Being, Paola S. Caceres
Honors Theses
Identifying which specific religious practices promote religious internalization is crucial in understanding the relationship between practice and well-being. The current study employs surveys along with an episodic memory recall task to examine whether the relationship between Sabbath-keeping internalization and well-being is mediated by Christian religious internalization, parental environment, and basic need satisfaction as outlined in Self-Determination Theory. Our mediation analysis results demonstrate a large mediation effect size for daily basic needs satisfaction (autonomy, competence, and autonomy) on the relationship between internalization of Sabbath-keeping and well-being. Small to medium effect sizes were found for a general measure of Christian internalization and …
Effects Of Plastic Pollution Density On The Crawling Rates Of Hawksbill Hatchlings In Utila, Honduras, Kyungje Sung
Effects Of Plastic Pollution Density On The Crawling Rates Of Hawksbill Hatchlings In Utila, Honduras, Kyungje Sung
Honors Theses
The hawksbill turtle (Eretmochelys imbricata) is a critically endangered species. Hence, various conservation efforts by groups such as ProTECTOR are taking place to stabilize its population. To support such efforts, my study focused on the turtle population in and around the island of Utila, Honduras. Specifically, I sought to determine if various densities of plastic pollution had an effect on crawling times during the migration of hawksbill turtle hatchlings from nest to water. A reduction in crawling time could increase predation time and cause the hatchling to expend additional energy before they reach the ocean. We constructed four experimental corridors …
Hcnabc Operon Transcription Of Pseudomonas Putida Under Varying Iron And Oxygen Concentrations And Culture Age, Christine Lee
Hcnabc Operon Transcription Of Pseudomonas Putida Under Varying Iron And Oxygen Concentrations And Culture Age, Christine Lee
Honors Theses
The species Pseudomonas putida produces hydrogen cyanide (HCN) through the transcription of the hcnABC operon. Previous research by Myrna Biswas (2010) demonstrated that microaerobic +FeCl3 cultures had the greatest HCN production, but the effects of varying iron and oxygen levels on HCN production were unclear. Isaac Kim (2011) assessed HCN production of P. putida in sand versus soil using different iron concentrations and found that iron was necessary for HCN production. The purpose of this experiment was to determine how the hcnABC operon is affected by varying levels of iron and oxygen, and the age of bacteria culture. To test …
The Effect Of Celite Formulated Rhizobium Rubi At3-4rs/6 And Tryptophan On Velvetleaf Plant Growth, Jonathon Ahn
The Effect Of Celite Formulated Rhizobium Rubi At3-4rs/6 And Tryptophan On Velvetleaf Plant Growth, Jonathon Ahn
Honors Theses
Rhizobium rubi AT3-4RS/6 and tryptophan may be useful in replacing chemical herbicides as biological control agents (Kennedy et al., 1990). Previous research has shown that Rhizobium rubi AT3-4RS/6 produces IAA-like compounds that are deleterious to weed growth. In this project R. rubi AT3-4RS/6 will be formulated in Celite, a granular, diatomaceous earth carrier. The purpose of this research is to analyze if tryptophan influences R. rubi AT3-4RS/6 populations in the velveltleaf rhizosphere, and if this colonization is associated with reduced root weight and shoot length. The experiment design consists of five soil treatments (bacteria+tryptophan+celite, tryptophan+celite, bacteria+celite, celite alone, and soil …
Factors Affecting Phonotaxis In Male House Crickets, Acheta Domesticus, Erik Thordarson
Factors Affecting Phonotaxis In Male House Crickets, Acheta Domesticus, Erik Thordarson
Honors Theses
This research addresses some of the possible factors that affect male Acheta domesticus phonotactic responses to calls of males of the same species. The study examines cricket age and social interaction with females as possible factors affecting this behavior. Through Friedman rank test analysis, the study attempts to demonstrate a link between these factors and the responsiveness of the male crickets in the study. As the crickets aged, they responded to a wider ranges of syllable periods, which may imply that they follow a similar pattern of decreasing selectivity in their response with age as their female counterparts. A Friedman's …
A Republic 'On Earth As It Is In Heaven': The Freedom Of The Fall In Paradise Lost And His Dark Materials, Jordan Arellano
A Republic 'On Earth As It Is In Heaven': The Freedom Of The Fall In Paradise Lost And His Dark Materials, Jordan Arellano
Honors Theses
The epic poem Paradise Lost (1667, 74) retells the Biblical creation story through the blind eyes of the Christian political-poet John Milton. Three hundred years later, Milton's work is recast by the atheist children's and fantasy novelist Philip Pullman in the His Dark Materials trilogy (1995, 97, 2000). Although one might assume that these two writers' perspectives would contradict one another, Pullman's adaptation - though a perverted story of the Fall - still pursues the same goal as Milton's by imagining a new and better social structure. And not only do they share that goal, but they also explore the …
The Effects Of Exercise-Induced Muscle Damage On Aerobic Capacity Tested Through Repeated Vo2max Tests, Luke Burnett
The Effects Of Exercise-Induced Muscle Damage On Aerobic Capacity Tested Through Repeated Vo2max Tests, Luke Burnett
Honors Theses
High-intensity resistance training alongside aerobic training has been seen to improve aerobic performance due to the gains strength that accompany said resistance training. However, it has been documented that the exercise-induced muscle damage (EIMD) that results from the resistance training can impair aerobic performance in the days following. Therefore, the purpose of this study was to assess the time-course of recovery from EIMD for up to seven days following muscle-damaging protocol. Eight recreationally trained participants (age 21.88 ± 0.99 yr., mass 70.02 ± 11.14 kg, height 171.61 ± 8.99 cm) volunteered to participate in five testing sessions over the course …
Reshaping The Message: Marketing The Quest For Marriage Equality In Mississippi, Nathaniel Weathersby
Reshaping The Message: Marketing The Quest For Marriage Equality In Mississippi, Nathaniel Weathersby
Honors Theses
The case for marriage equality is one that is becoming more and more prevalent in the States. Currently 17 states allow for the performance and recognition of same-sex marriages. The other 33 have constitutional bans on same-sex marriage. Of the 17 states that have same-sex marriage 3 of those made marriage constitutional through popular vote. This thesis sought to provide evidence and tactics for an Integrated Marketing Communications campaign that would advocate for the passing of a hypothetical ballot measure amending Mississippi's current status on same-sex marriage. This thesis compiles the research of multiple research institutions and polling services focused …
Preliminary Investigations Into The Population Genetics Of The Horned Passalus Beetle, Odontotaenius Disjunctus (Coleoptera), In Forests Of The Southeastern United States, Rachel Yi
Honors Theses
As a major hotspot of biodiversity, the Appalachian Mountains have been a source of great interest for ecologists in many ways. The mountains' north-south orientation, varying degrees of elevation and environmental conditions, and historical cycles of glacial encroachment have been thought to contribute to this unusual level of population variation. As such, population genetic studies of species have been a growing area of investigation. Phylogeography, the study of how historical processes could lead to current geographic distributions of individuals and populations of a species, is a particularly prominent direction. The focus of this study examines the horned passalus and its …
The Effects Of Adrenergic Antagonists On Spatial Memory In The Zebra Finch (Taeniopygia Guttata), Taylor Williams
The Effects Of Adrenergic Antagonists On Spatial Memory In The Zebra Finch (Taeniopygia Guttata), Taylor Williams
Honors Theses
The adrenergic system appears to be involved in the consolidation and reconsolidation of hippocampally dependent spatial memories in mammals. Based on connectivity, cell types, ontogeny and receptor distribution, the avian hippocampus is thought to be a homolog to the mammalian hippocampus. The adrenergic system appears to be fairly conserved but may show some species specializations. To determine if the adrenergic system plays a role in spatial learning and memory in birds, we used a series of experiments to investigate the role of α- and β-adrenergic receptors on spatial navigation and memory in an avian species, zebra finches, using the Day …