Digital Commons Network^™

Social Exclusion Of Older Mossi Women Accused Of Witchcraft In Burkina Faso, West Africa, Clarisse Barbier

USF Tampa Graduate Theses and Dissertations

Among the most marginalized populations in the world, one group of women has been persistently ignored, silenced, and forgotten. In Burkina Faso, West Africa, older women in rural villages are often the target of witchcraft accusations; the consequences of these accusations are alarming because these women undergo violent attacks, face exclusion from their villages, and become the most vulnerable and marginalized segment of the Burkinabe population. Between August 2017 and November 2018, I conducted an ethnographic study of Burkinabe women accused of witchcraft living in two shelters in the capital city of Ouagadougou and examined women’s experiences of accusation, trauma, …

How The Use Of Learner-Generated Images And Authentic Materials Affects The Comprehension And Production Of Vivid Phrasal Idioms In L2 English Learners, Melissa Larsen-Walker

USF Tampa Graduate Theses and Dissertations

Vivid Phrasal Idioms (VP Idioms) are non-compositional, figurative phrases that have limited flexibility, such as “once in a blue moon.” Research suggests that facility with idioms is an integral part of communicative competence in an L2 (Liontas, 2017; Sinclair, 1992). Despite the fact that they are ubiquitous throughout informal, spoken language (Karlsson, 2013; Liu, 2008), and occur less frequently in other registers of usage, newscasters and politicians employ VP Idioms for communication in what Myers (1996) has called the presentational mode. They also appeari in academic discourse (Liontas, 2008). Nevertheless, research suggests that the English language learners in formal educational …

Laser Micropatterning Effects On Corrosion Resistance Of Pure Magnesium Surfaces, Yahya Efe Yayoglu

USF Tampa Graduate Theses and Dissertations

Magnesium and its alloys are good candidates to manufacture medical implants. They have excellent biocompatibility and because they biodegrade secondary surgical operation to remove the implant could be eliminated. However, in aqueous environments, magnesium alloys rapidly corrode, resulting in premature degradation of the implant along with biologically intolerable hydrogen gas generation. In literature, there are multiple studies focused on creating water repelling hydrophobic magnesium surfaces in order to decrease corrosion rates. Hydrophobic properties can be achieved by creation of a roughness profile on an initially smooth surface combined with a treatment that reduces the free surface energy. In theory, hydrophobic …

Manipulation And Patterning Of Mammalian Cells Using Vibrations And Acoustic Forces, Joel Cooper

USF Tampa Graduate Theses and Dissertations

Recently, there has been a surge in researchers and scientists investigating different methods which move, manipulate, and pattern biological cells. Multiple different mechanisms can be used for cellular manipulation, microfluidics, biochemical queues, and even optics, just to name a few. However, all techniques have their downsides. A majority of these methods require expensive equipment or reagents and can only manipulate a small number of cells at a time.

Some of the most common cell manipulation devices utilize acoustic pressure waves to move the cells to desired locations. Currently, it is unknown what level of force from these types of devices …

Climate Change And Liberation In Latin America, Ernesto O. Hernández

USF Tampa Graduate Theses and Dissertations

The purpose of this dissertation is to propose the liberation movements in Latin America as alternative philosophical frameworks to the crisis of climate change. These movements have provided the grounds to identify inequities and injustices and have practiced ethical methodologies to overcome them. Additionally, the movements seek to represent and reflect the value of non-traditional philosophical agents in Latin America. The work focuses on four major Latin American ecological liberation movements; theology, philosophy, pedagogy, and feminism. Eco-Theology advances the role of Religion as the practice of Religação, reexamination, and resetting our relationship with nature by reconnecting with it. Eco-Philosophy of …

Lost Without A Connection: Analyzing Netflix's Maniac In The Digital Streaming Age, Eric Bruce

USF Tampa Graduate Theses and Dissertations

With the emergence and rise in popularity of streaming services such as Netflix or Hulu, the way in which audiences view and interact with media, as well as each other, has changed drastically. The move to digital streaming impacts how audiences everywhere experience and expect immediacy in media, connecting deeper with what they watch. Along with this transition in spectatorship comes a shift in visual aesthetics, a trend that can be seen across various digitally-streamed series. This thesis serves to address what this transition is and how it affects the cultural landscape of the digital age, continuing the conversation of …

Hiding Under The Sun: Health, Access, And Discourses Of Representation In Undocumented Communities, Jaime Shamado Robb

USF Tampa Graduate Theses and Dissertations

This project examines how undocumented immigrants in the United States communicate health and illness, specifically focusing on health narratives of undocumented immigrants in the South Florida region. In order to do this, I conducted 27 field interviews with undocumented immigrants living in South Florida to gain understanding of how this group meets health and wellness needs. Conversations revolved around prominent themes that highlighted the role of communication that produce stigma towards this group; the complexity of a costly bureaucratic health system, and the fears participants experience that stems from the possibility of deportation. Additionally, participants detailed the role of their …

School District Responses To Food Insecurity And Poor Nutrition In High Poverty Communities, Richard Grayes

USF Tampa Graduate Theses and Dissertations

Food insecure households are described as not having enough money or other resources to meet certain needs of all of their family members at some point during the year. Milam and Towns (2014) observed, “Child hunger exists in every county in every state” (p. 2). The hunger gap has been found to contribute to the lower academic achievement of students of color, particularly those from low-socioeconomic status (Jyoti, Frongillo, & Jones, 2005).

The purpose of this study was to explore the impact of food insecurity and poor nutrition on student learning and to review district responses, particularly in elementary schools …

Keyless Anti-Jamming Communication Via Randomized Dsss, Ahmad Alagil

USF Tampa Graduate Theses and Dissertations

Nowadays, wireless networking is ubiquitous. In wireless communication systems, multiple nodes exchange data during the transmission time. Due to the natural use of the communication channel, it is crucial to protect the physical layer to make wireless channels between nodes more reliable. Jamming attacks consider one of the most significant threats on wireless communication. Spread spectrum techniques have been widely used to mitigate the effects of the jammer. Traditional anti-jamming approaches like Frequency Hopping Spread Spectrum (FHSS) and Direct Sequence Spread Spectrum (DSSS) require a sender and a receiver to share a secret key prior to their communication. If this …

Managing At The Intersection: The Negotiations Of Racialized Role Strain Of Black Mid-Level Student Affairs Administrators At Predominantly White Institutions, David Frank Hibbler Jr.

USF Tampa Graduate Theses and Dissertations

The purpose of this qualitative interview study was to identify the unique stressors Black mid-level student affairs administrators encounter, how they cope with such stressors, and the perceived consequences of these encounters and coping mechanisms. Data for this qualitative interview study was collected from face-to-face interviews with eight Black mid-level student affairs administrators at predominantly White institutions in the U.S, and from and an optional diary entry. Findings revealed that participants experienced racialized role strain as a result of interactions with White peers and supervisors, same-race peers, and navigating campus climate. Specifically, the Black mid-level participants experienced strain in their …

When The Beat Drops: Exploring Hip Hop, Home And Black Masculinity, Marquese Lamont Mcferguson

USF Tampa Graduate Theses and Dissertations

In this autoethnographic dissertation, I take readers on a narrative journey to three of my storied homeplaces and explore my lived experiences within each site. In the process of exploring my homeplaces, I analyze how I perform my black masculine self within the context of each location, how my cultural body supports and challenges hegemonic black masculinity, and how each location constrains and frees up my performance of self. With this dissertation, I will contribute to the field of communication studies by extending the method and writing practice of autoethnography, the theorization of the black masculine, and the exploration of …

“They Will Think We Are The Cancer Family”: Studying Patterns Of Cancer Disclosure And Communication Among Indian Immigrants In The United States, Kanan Mehta

USF Tampa Graduate Theses and Dissertations

Studies of Indian immigrants in Western countries show that the rates of cancer increase significantly within a generation in the host country. The negative social perceptions associated with health outcomes of cancer often perpetuate limited disclosure regarding the diagnosis of cancer among patients and families. This can result in disrupted communication in clinical settings, while causing increased stress among patients and caregivers. These findings demonstrate the need for studying lived experiences of cancer-related illness and its impacts on social relationships in the domestic and public sphere.

This study explored cancer disclosure and communication among Indian immigrants in the United States …

The Effects Of Product Recalls On Competitors’ Market Value And Recalling Firm’S Reputation, Dong Liu

USF Tampa Graduate Theses and Dissertations

Scholars have paid intensive attention to product recalls over the past two decades. Prior studies show that product recalls negatively affect the recalling firm’s sales, consumer-based brand equity, and firm value. However, less attention has been paid to the spillover effect of product recalls on the market value of the recalling firm’s competitors in the same industry, and the long-term effect of product recalls on firm reputation. The objective of this dissertation is to fill up these research gaps through two essays.

In Essay 1, I investigate factors affecting the spillover effect of a product recall on the firm value …

Winning “Americans” For Jesus?: Second-Generation, Racial Ideology, And The Future Of The Brazilian Evangelical Church In The U.S., Rodrigo Otavio Serrao Santana De Jesus

USF Tampa Graduate Theses and Dissertations

Beginning in the mid-1980s, a significant number of Brazilians began to leave their country due to economic stagnation, affecting the population and the middle class in particular. This event became known as the “Brazilian Diaspora” and was characterized by a type of labor diaspora that made scholars identify Brazilian immigrants as economic refugees. In the United States, churches have been one of the most important institutions to receive and socialize Brazilians. Considering that a new generation of U.S. born Brazilian Americans emerged, this dissertation provides one of the first studies to investigate the dynamics of a second-generation Brazilian church. In …

The Threat Of Virality: Digital Outrage Combats The Spread Of Opposing Ideas, Curtis Puryear

USF Tampa Graduate Theses and Dissertations

The prevailing stage for conversations about politics and morality has shifted from private and face-to-face to public and digital. Moreover, the digital landscape itself changed considerably in the past decade. The era of static webpages has been replaced by dynamic social networks where ideas and reactions to events spread rapidly. With every comment we, or a political adversary makes, numbers quantifying social approval tick up or down. Instead of holding digitized versions of one-on-one conversations, we argue in front of audiences who throw digital “points” at and accelerate the spread of the winning side’s ideas. I argue this subjectively raises …

Governmentality, Biopower, And Sexual Citizenship: A Feminist Examination Of Sexual And Reproductive Healthcare Experiences Of 18-24 Year-Olds In The U.S. Southeast, Melina K. Taylor

USF Tampa Graduate Theses and Dissertations

Sexual and reproductive healthcare in the U.S. is a contentious and often stigmatized topic. Conservative politics and Christian religious ideology guide laws and policies that inform narratives of sexual citizenship that promote white, heterosexual, procreative, cis-gendered relationships as the ideal. For young people, exposure to sexuality education greatly influences their self-identity as sexual citizens and guides how they form intimate relationships. While sexual and reproductive healthcare has been included marginally in the discipline of anthropology, almost no research has focused on young people’s sexual and reproductive healthcare within the U.S.

This dissertation examines the viewpoints and experiences of 18-24 year-old …

Fields Brook Superfund Site: Race, Class, And Environmental Justice In A Blasted Landscape, Richard C. Bargielski

USF Tampa Graduate Theses and Dissertations

In 1980, the United States Congress passed the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). This federal law provided the U.S. Environmental Protection Agency (EPA) with the legal tools necessary to pursue polluters who had improperly stored or disposed hazardous wastes. Since its passage, more than a thousand sites have been added to the National Priorities List (NPL), but only a fraction have been cleaned up. Proponents of neoliberalism argue that aggressive environmental policies such as CERCLA harm workers by making it impossible for businesses to operate profitably. This coincides with a drop of nearly 50% in the U.S. …

The Geopolitics Of Juan Perón: A New Order For An Imperfect World, Robert D. Koch

USF Tampa Graduate Theses and Dissertations

In 1973, Juan Domingo Perón (1895-1974) proposed a new world order to the Non-Aligned Movement, shortly before returning to the Argentine presidency after eighteen years in exile. He was Argentina’s most important modern figure but divisive. The military toppled Perón in 1955, and then outlawed him and Peronism. They considered his nationalism and authoritarian methods fascist nightmares, and United States officials passed similar judgments despite his victories in democratic elections. Today, his ideas continue to influence Argentina, the Non-Aligned Movement, and the Vatican, yet, his authoritarianism and origins in a dictatorship taint his legacy. Influential media and scholars use him …

Role Of Thyroid Hormone Modulating Astrocyte Activation, Payal Ghosh

USF Tampa Graduate Theses and Dissertations

Astrocytes are the specialized cells in the central nervous system (CNS). They play an important role in neuronal homeostasis. When activated, astrocytes may cause neuronal inflammation and degeneration. Thyroid hormones are important in maintaining neuronal development and homeostasis. Astrocytes play a pivotal role in this process. However, the role of levothyroxine (T4) in neuroinflammation is not clear. It is hypothesized that thyroid hormone treatment will reduce the inflammatory activation in astrocytes. Available oral T4 supplementations allow accumulation of T4 in the body and cause toxicity and side effects. It is hypothesized that the encapsulation of T4 in liposomes would reduce …

Mass Spectrometry Discovery-Based Proteomics To Examine Anti-Aging Effects Of The Nutraceutical Nt-020 In Rat Serum, Samantha M. Portis

USF Tampa Graduate Theses and Dissertations

Aging is a complex physiological process that leads to the deterioration of all cells and tissues throughout the body. Aging is a major risk factor for the onset of many degenerative diseases in both the central nervous system (CNS) and the periphery, but even nonpathological aging (“normal” aging) is associated with chronic inflammation, oxidative stress, and decreased stem cell proliferation and regenerative capacity. This decreased regenerative capacity in stem cell niches is thought to be a key component underlying the aging process and many disease states associated with aging.

While the exact biological mechanisms underlying impaired stem cell proliferation and …

Academic Digital Badges: Industry, Employment, And Prospects, Terry M. Mcgovern

USF Tampa Graduate Theses and Dissertations

Digital badges are becoming more prevalent in the credentialing sector yet there is limited understanding of how the industry is developing or how digital badges influence the hiring process. This study employed an exploratory case method to make known the development of the badging industry. This dynamic new educational technology has a wide range of stakeholders working at establishing standards to ensure consistent and effective application across the badging ecosphere. To understand academic badging further, the researcher conducted a type of field experiment called a résumé audit study. In the late Spring of 2019, the investigator applied to 1,848 unique …

Addressing The Student Loan Crisis: Nudging Borrowers To Lower Their Repayment Costs, Genevieve O. Dobson

USF Tampa Graduate Theses and Dissertations

The Purpose of Research is to determine why student loan borrowers are making poor decisions regarding their repayment plan selection and how we could use the theory of nudge to get them to make better choices. This study evaluates three main biases found in decision making to determine which one is most likely to be utilized in making decisions. It also investigates ways a tool can be created to allow borrowers to make better choices.

I use the Elaborated Action Design Research Methodology to diagnose, design and implement an effective tool. In my study, I create an artifact that allows …

To Mid-Cell And Beyond: Characterizing The Roles Of Gpsb And Ypsa In Cell Division Regulation In Gram-Positive Bacteria, Robert S. Brzozowski

USF Tampa Graduate Theses and Dissertations

The bacterial cell division protein FtsZ is a tubulin homolog that forms a ring-like structure at the site of cell division in most bacterial species. There it acts as a scaffold, aiding in the recruitment of other divisome proteins to the site of cell division. Furthermore, studies focusing on the role of FtsZ treadmilling and septal peptidoglycan synthesis implicates that FtsZ plays a direct role in the ultimate closure of the division septum. Thus, many studies in the field of bacterial cell division have focused on FtsZ in terms of its spatial and temporal regulation as well as its ability …

Growth And Characterization Of Spatially Ordered Nanostructures Of Functional Materials, Domingo J. Mateo Feliciano

USF Tampa Graduate Theses and Dissertations

Thin films and nanostructures of functional materials like lead zirconium titanite oxide (PZT) and Zinc Oxide (ZnO) offer multitude of applications in ferroelectrics, piezoelectrics and piezotronics. While the properties of thin films of ZnO and PZT are well understood, methods for the fabrication of vertically-aligned and spatially ordered nanocolumns of these materials are not common. To achieve a spatially ordered arrangement of either PZT or ZnO, a Silica Nanosphere (SNS) Monolayer Template has been constructed to serve as nucleation site for the growth of a specific number of nanocolumns. The SNS monolayer template is constructed by Langmuir-Blodgett dip coating, using …

Spatiotemporal Changes Of Microbial Community Assemblages And Functions In The Subsurface, Madison C. Davis

USF Tampa Graduate Theses and Dissertations

The subsurface hosts diverse microbial community assemblages and functions. These communities play an important role in biogeochemical cycling and groundwater purification. Many physicochemical factors affect microbial communities and can cause short-term or long-term perturbations. Subsurface microbes are susceptible to anthropogenic changes in the environment, which can be caused by nutrient inputs or municipal groundwater extraction. Despite the importance of the subsurface microbiome, these microbial communities are poorly characterized. This dissertation describes the characterization of spatiotemporal drivers of subsurface microbial communities through a variety of techniques that include eDNA analyses, bioinformatics, hydrochemical analyses, stable isotope geochemistry, and multivariate statistics. Three coastal …

Luciferase Reporter Crc Cell Line For Bioluminescence Imaging In Orthotopic Tumor Model, Pratik Chopade

USF Tampa Graduate Theses and Dissertations

CRC is the second most common type of cancer in women and the third most common type of cancer in men. It accounts for 9.7% of all cancers in terms of people diagnosed. Measuring the real-time effect of chemotherapeutic drugs has been a major obstacle in developing a tumor model mouse. Tracking the regression of cancer cells after chemotherapy could be an effective way to resolve this issue. Therefore, cancer cells expressing the constitutive luciferase reporter gene can be a potential solution. The biggest advantage of the luciferase (Luc) reporter is that it is detectable at very low concentrations in …

Identification Of Snps Associated With Multiple Antibiotic Resistance Genes In Eight Clinical Variants Of Enterococcus Faecium., Krishna S. Karia

USF Tampa Graduate Theses and Dissertations

The evolution of multi drug resistant (MDR) bacteria has been well documented these last decade, suggesting that resistance to antibiotics is most commonly associated to single nucleotide polymorphism (SNPs) mutation. To this aim, several molecular methods have been performed to elucidate SNPs in the increasing number of resistant microorganisms. Early detection of MDR bacteria has become of prime necessity in order to combat the disease and ensure public health. Therefore, this research was conducted to screen for SNP mutations correlated to drug resistance in some nosocomial MDR bacteria strains donated from Moffitt Cancer Center (MCC) hospital. Blood, stool, urine, and …

Race, Gender And Power: Afro-Peruvian Women’S Experiences As Congress Representatives, Sharun Gonzales Matute

USF Tampa Graduate Theses and Dissertations

Previous accounts about the presence of women of African descent on Latin American legislatures outline Peru as an exceptional case. In 2013, Peru had three Afro-Peruvian women in its national congress, all of them former volleyball players. Compared to other countries where Black women were almost inexistent in legislatures, Peru was in a better position. Simultaneously, Afro-Peruvian women’s organizations and leaders denounce their marginalization from political spaces. This work seeks to explore the experiences of Afro-Peruvian congresswomen elected between the years 2000 and 2016 and their relation to political power. Intersectionality serves as a theoretical framework for this research because …

A Micro-Nano Particle System For Sustained Drug Release In Lung Cancer Therapy, Heta N. Jadhav

USF Tampa Graduate Theses and Dissertations

Lung cancer remains the leading cause of cancer-related mortality in men and women worldwide (National Comprehensive Cancer Network). Hence, developing an effective new therapy to treat lung cancer is under intense investigation. Specifically, the sustained release of a drug in lung tumors is critically important. Previous studies at the USF have shown that telmisartan exhibits synergistic properties when combined with Actinomycin-D for lung cancer treatment. The objective of this study is to develop a novel micro/nano system consisting of lipids and chitosan polymers that would be able to deliver Tel directly to the lungs and release its payloads in a …

Enhanced Fluoride Removal In Biosand Filters Using Aluminum Oxide Coated Media And Modified Filter Design, Madison Leigh Rice

USF Tampa Graduate Theses and Dissertations

In 2010, the UN formally stated that access to safe drinking water and sanitation is a human right. Yet, one in three people globally do not have access to safe drinking water. Contaminated drinking water can negatively impact the health of consumers. This is a challenge that disproportionally affects developing regions, where limited access to resources exacerbates the problem. One drinking water contaminant of concern is fluoride. Fluoride is often added in low concentrations to drinking water to enhance consumers’ dental health. However, when water with high concentrations of fluoride is consumed frequently, it can have negative health effects, such …