Digital Commons Network^™

Ai-Assisted Radio Frequency Fingerprinting For Identification Of User Devices In 5g Networks, Aishwarya Jawne

Electronic Theses and Dissertations

As 5G networks expand, ensuring secure identification and authentication of user devices is critical. This paper explores machine learning-based Radio Frequency Fingerprinting (RFF) to identify and distinguish trusted and rogue devices in 5G networks. We evaluate ResNet, Transformer, and LSTM architectures using channel-isolated (CI) spectrogram and raw IQ slice inputs across varying packet sizes. Results show that ResNet with CI spectrogram inputs achieves the highest device classification accuracy and scalability while mitigating the Next-Day Effect, while the same architecture with IQ Slices is best for rogue device detection. Unlike related works, we emphasize the role of spectrograms in accurately capturing …

A Legacy Of Fire: Alma Bridwell White, The Second Wave Klan And Complexities Of Religion, Race And Feminism, Ellis Hall

Electronic Theses and Dissertations

In the shadow of the KKK stood an unexpected force: women. At the crossroads of religious fundamentalism and racial extremism was Alma Bridwell White, a pioneering yet controversial figure whose religious leadership intertwined with her avid support for the Klan. This research examines how White used both pulpit and platform to advance the Klan’s image of ‘Americanism’ defined by racial purity and religious intolerance, and promote early feminist ideals, whilst still being reliant on male figures. This research enables an exploration of how female members of the KKK were able to leverage their social, political and religious influence to promote …

Experimental Characterization Of Power Generation Of A Small Wind Turbine With Variable Ducted Geometry, Robert S. Gaudreau

Electronic Theses and Dissertations

Wind turbines provide renewable energy but must be installed at suitable locations to maximize power generation. Applying duct geometry to wind turbines can increase output power, allowing for the integration into urban applications where space is limited, and visual pollution must be minimized. Therefore, the objective was to determine the change in output power for a wind turbine with variable area ducting comprised of a converging inlet nozzle and a diverging outlet diffuser. Parametric studies of 3D-printed models were conducted in a low-speed wind tunnel at 5 m/s to determine the optimal duct angle and area ratio with the greatest …

Whispers From The Islands Preserving And Reinterpreting Caribbean Myths Through Augmented Narratives, Tatyanna Gay

Electronic Theses and Dissertations

This thesis explores the role of design as a contemporary medium for preserving, reinterpreting, and disseminating Caribbean cultural myths through visual storytelling. Focusing on using Augmented Reality (AR) and paper sculpture, this research examines how immersive technologies can bridge the gap between oral traditions and digital innovation to safeguard intangible heritage. Centering Caribbean folklore, specifically myths such as the Chickcharney, the Lusca, and the La Diablesse, this work analyzes these stories' historical, symbolic, and social functions within Caribbean identity formation and collective memories.

Drawing on interdisciplinary frameworks from mythology studies, design history, and visual culture, the project investigates how AR …

The Interaction Of Temporal And Structural Abstractions And Their Influence On Behavior, Ryan Gallagher

Electronic Theses and Dissertations

The prefrontal cortex (PFC) plays a crucial role in complex behaviors such as planning, decision-making, and adaptive problem-solving, which require integrating new information over time. Research has shown that information related to these behaviors is organized along a hierarchical rostro-caudal abstraction gradient in PFC, with abstract information represented in rostral (anterior) regions and concrete relationships in caudal (posterior) regions. Abstraction involves generalizing information by emphasizing broader concepts over specific details and can be understood more specifically by the context its applied to. However, past studies often confound different forms of abstraction, making it unclear how these different types of abstraction …

Methods To Improve The Computational Efficiency And Accuracy Of Second-Order Elastic Steel Frame Analyses, Nadine Faramawi

Electronic Theses and Dissertations

This paper investigates the derivation and performance of new stiffness coefficients. The estimated coefficients aimed to improve the geometric stiffness matrix representation and their application in elastic second-order analysis for steel frames. The newly developed (C1-C4) coefficients incorporate non-linear effects and reduce computational efforts to efficiently enhance the accuracy of second-order analysis. These coefficients are particularly beneficial for braced structures where they allow more refined analysis using fewer elements per member, especially as the load applied to the frame approaches the critical buckling load. However, for cases of unbraced frames, using these approximated coefficients showed no significant advantages in comparison …

Commissioning Of Electron Blocks In Monaco And Diode Correction Factors, Sadaa Alotaibi

Electronic Theses and Dissertations

This work examines the Elekta Monaco TPS Monte Carlo electron beam dose calculation model for electron treatment planning. The primary goals are to commission electron blocks and establish correction factors for diode measurements with the use of ion chamber output as references, improving dosimetric procedures and adhering to the AAPM for clinically acceptable precision. Output factor measurements of diodes were compared to ion chamber OFs on a 6 MeV to 15 MeV Elekta Versa HD linear accelerator. TPS calculations were held on the Monaco TPS system. To balance the computational costs and accuracy of the solution, grid sizes of 2 …

Regulation Of The Bidirectional Transport Of Organelles During Synapse Formation, Maintenance, And Plasticity, Kerriann Kathleen Badal

Electronic Theses and Dissertations

Neurons are specialized, polarized cells necessary for our function, cognition, and behavior. Moreover, neurons are non-mitotic cells and must be maintained for a lifetime. Within the neuron, organelles, such as mitochondria and lysosome-vesicles (LV), undergo bidirectional transport between the soma and synapses and contribute to neuronal health, energy demand, macromolecule clearance, intracellular signaling, and cell-to-cell communication. Decades of research have revealed the significance of mitochondria and LV during aging, neurological disorders, neurodegenerative diseases, and recently, novel implications in neuropsychiatric disorders. While these studies highlight the role of mitochondria and LV during aging and neurological conditions, less is known about the …

Applications Of Deep Learning And Signal Processing In Acoustics, Oceanography, And Biometrics, Ali Abdulmajeed Altaher

Electronic Theses and Dissertations

This dissertation examines multidisciplinary methods in marine research, computational modeling, and artificial intelligence. This dissertation tackles significant issues in ecological monitoring, ocean dynamics forecasting, and assistive technology via three independent but interrelated research streams.

The first study examines the localization and distribution of marine organisms along Florida’s East Coast via passive acoustic monitoring methods. The research analyzed more than 65,000 audio recordings to delineate the geographical distribution of several marine creatures, such as black drum, toadfish, Sei whales, North Atlantic right whales, dolphins, and false killer whales. A novel automated detection and localization model was developed, using an adaptive matching …

The Rise And Resilience Of Women Of Color Executives In Nonprofit Organizations: A Phenomenological Study Of Systemic Barriers, Support Systems And Leadership Identity, Nicole Edwards

Electronic Theses and Dissertations

This phenomenological study explored the lived experiences of women of color executive leaders in nonprofit organizations, focusing on perceptions of systemic barriers, support systems, and leadership identity. Using a mixed-methods, phenomenological design, data were collected from 31 women of color (N = 31) through a Likert-type survey and from six women (n = 6) selected for semi-structured interviews.

Quantitative analysis revealed that perceived systemic barriers significantly predicted leadership identity (p = .013), while support systems did not. Further analysis uncovered a significant positive correlation between positional status and perceived support (r = .39, p = .050), indicating …

Reassessing Pre-Ceramic Mortuary Practices In Florida, John S. Duggan

Electronic Theses and Dissertations

This thesis synthesizes mortuary practices among Florida’s Paleoindian to Late Archaic populations, from the earliest documented burials to approximately 2,500 BP. While sites like Windover and Little Salt Spring are well-studied, broader burial traditions across the region remain underrepresented. To address this, data from fifteen key sites, chosen for geographic and temporal diversity, were compiled and analyzed. Using an exploratory research design, a descriptive methodological framework was developed to evaluate cemetery types, burial positions, artifact associations, demographic indicators, and spatial orientation. Methodological challenges such as poor preservation, site destruction, and inconsistent documentation are also considered. Findings are contextualized within wider …

Exploring Undergraduate Students’ Use Of Mental Health Applications: A Phenomenological Study, Chelsea D. Fullilove

Electronic Theses and Dissertations

This phenomenological dissertation explored undergraduate students' lived experiences of using mental health mobile apps, AI, and other technology to manage mental health symptoms. The research focused on exploring three research questions: (a) perceptions of app effectiveness, usability, and features; (b) barriers and integration into mental health care routines; and (c) influences of privacy, peer influence, cultural backgrounds, and personal beliefs on app use.

Data were collected via purposive sampling through semi-structured interviews (N=12), each consisting of 15 open-ended questions, with students using a mental health app to improve their mental health. The interpretive data analysis was conducted by …

Do Marketers Need To Know? How Firms' Newfound Quest For Customer Data Is Eroding Firm Performance, Victor Garcia

Electronic Theses and Dissertations

Firms today spend more than 30 billion dollars on marketing data. This obsession with data has been propelled by a firm's ongoing need to better understand its consumers and, in turn, drive positive firm performance. While the relationship between brand equity and firm performance has been confirmed for the last two decades, this study explores how data collection negatively moderates the existing relationship by testing multiple variables of privacy risk. This theoretical paper with a pilot study explores how the conflicting balance of shareholder theory and stakeholder theory can lead firms towards data collection practices that indirectly diminish the firm’s …

User Behavior Anomaly Detection Approaches To Mitigate Insider Threats, Omar Neil Gonzales

Electronic Theses and Dissertations

Insider threats represent a critical challenge in cybersecurity due to their ability to disguise malicious activity within legitimate user behavior. This dissertation proposes novel approaches to enhance insider threat mitigation through user behavior anomaly detection. First, a systematic survey is conducted to evaluate existing countermeasures, categorizing technical and human-centric strategies while identifying their limitations. building upon these findings, the dissertation introduces two complementary detection frameworks: the contiguous, contextual, and classifying pipeline (C3P), which uses symbolic pattern mining and contextual modeling to autonomously score and classify sequences, and the representation-reconstruction detection (R2D) framework, which leverages causal self-attention and variational autoencoding to …

Anthropogenic And Natural Influences On Beach Geomorphology And Coastal Resiliency, Leanne Hauptman

Electronic Theses and Dissertations

Beaches are complex, dynamic systems that provide important habitat, protection from storm impacts, support tourism, and provide numerous benefits to the economy. Coastal erosion is a natural phenomenon but is becoming a growing problem due to factors such as rising sea levels, intensity of major storms, lack of sand input from rivers, and anthropogenic activities. Florida's 825 miles of sandy beaches are experiencing accelerated erosion and adaptive management practices are needed to ensure sufficient sediment remains in the littoral system. Beach geomorphology and sedimentology research is critical to understand complex coastal processes to improve coastal management strategies for the resiliency …

Crowding Out Whistleblower Altruism: Examining The Impact Of Whistleblower Incentives And Recognition On Retaliatory Behaviors, Megan Nicole Hiner

Electronic Theses and Dissertations

Whistleblowers play an instrumental role in exposing organizational wrongdoing and, thereby, helping to remedy the damage endured by stakeholders. However, whistleblower retaliation is rising, its personal impacts to the whistleblower are severe, and fears of retaliation serve as a strong deterrent to prospective whistleblowers. In this dissertation, I draw on motivation crowding theory, which posits that external interventions can crowd out or crowd in intrinsic motivations for engaging in a behavior. I employ a third-party perspective of motivation crowding theory and utilize a 2x3x2 between-participants experimental design to examine factors that impact employees’ perceptions of whistleblower intent and acts of …

Does Federal Funding Address Fundamentals? Examining The Equity Effects Of Title I On Student Achievement, Veda Hudge

Electronic Theses and Dissertations

This dissertation examines the equity effects of Title I funding on student achievement in Broward County Public Schools, one of the largest school districts in the United States. Title I, established under the Elementary and Secondary Education Act (ESEA) of 1965, aims to address educational disparities by providing financial resources to schools that serve economically disadvantaged students. Despite over five decades of federal intervention, significant achievement gaps persist, particularly among marginalized populations. This study investigates the effectiveness of Title I funding in improving student outcomes in English Language Arts (ELA) and Mathematics during the period 2016–2020.

Using a quantitative research …

Exploring Mindfulness, Mindful Self-Care, And Perceived Burnout Among Professional Counselors: A Latent Profile Analysis, Sheria Kwok

Electronic Theses and Dissertations

Promoting counselor well-being and burnout prevention through research efforts is necessary. This study explored the findings (emerging unobserved profiles) from a latent profile analysis (LPA) examining mindfulness, mindful self-care behaviors, and perceived burnout among licensed professional counselors and supervisors in Ohio (N = 328). The study evaluated the differences in individual demographic variables across the identified latent profile memberships derived from the LPA. As a result, we found two latent profile memberships: Low Mindfulness/Mindful Self-Care and High Burnout Group (n = 146; 44.5%), and High Mindfulness/Mindful Self-Care and Low Burnout Group (n = 182; 55.5%). Based …

Modeling And Numerical Simulation Of A Lifting Surface Controlled Ocean Current Turbine, Kiran Mital

Electronic Theses and Dissertations

As a relatively novel source of energy extraction, many design concepts for ocean current turbines (OCTs) still lack the analyses required to mature their technological readiness. This study addresses this issue as it provides a numerical simulation tool for lifting surface controlled OCTs. The performance of a 1.4 MW moored, dual-rotor, lifting surface-controlled OCT operating in a total water depth of 375 m is then numerically evaluated using this tool. Algorithms are based on published OCT research with modifications developed for the present design. Performance is evaluated at varied flow velocities, turbulence intensities, and control surface positions to represent normal …

Is Infant Fear Related To An Increase In Maternal Stress?, Janairis F. Munoz-Perez

Electronic Theses and Dissertations

The impact of infant fear responses on mother stress throughout the first year of life was investigated in this study. Between six and fourteen months, thirty mother-infant pairs were examined at three different time intervals. Maternal responses from the Infant Behavior Questionnaire-Revised (IBQ-R) and behavioral observations made during standardized lab tasks were used to evaluate infant fear. The Perceived Stress Scale (PSS) was used to measure maternal stress at all time points, and behavioral stress was coded during the first session. The findings showed no overall significant correlation between the mother's subjective stress and the behavioral fear of her infant. …

Exploiting Undulating Fin Kinematics For Multi-Directional Swimming Control, Omar S. Odeh

Electronic Theses and Dissertations

The Black Ghost Knifefish achieves remarkable swimming gait transition by leveraging the distinctive morphology and kinematics of a single, elongated undular fin. Alongside bi-directional swimming, complex maneuvers incorporating vertical movement and pitch control can also be attained. Inspired by the Knifefish, we explore a novel propulsive and directional control method for an undulating membrane affixed to a robotic vessel utilizing counter-propagating waveforms in tandem with a sigmoidal spatiotemporal pattern to control forward, backward, and turning of the vessel. The proposed actuation supplied the propulsion necessary for the robotic vessel to swim bi-directionally with heading control under varying flow speed conditions. …

Longitudinal Changes In Verbal And Nonverbal Memory Among Older Adults: The Relevance Of Demographic Variables, Lauryn Owen

Electronic Theses and Dissertations

The study investigated longitudinal changes in verbal and nonverbal memory among older adults, examining the influence of demographic variables (age, sex, and education), memory associations with cognitive screening performance over time, and short-term practice effects. Linear mixed-effects models and repeated measures ANCOVAs were used to evaluate memory change over time and determine which memory tests were more susceptible to practice effects. Memory was assessed using subscales from the Loewenstein-Acevedo Scales for Semantic Interference and Learning (LASSI-L), Craft Story 21 (CS), and the Benson Complex Figure Test (BCFT). Results showed that age and sex were significant predictors of verbal memory, with …

Materia Non Medica: Reading Disability And Medical Narratives In The Daughter Of Doctor Moreau, Jessica Elizabeth Young

Electronic Theses and Dissertations

This thesis presents a close reading of The Daughter of Doctor Moreau by Silvia Moreno-Garcia, engaging Indigenous studies and disability studies to illuminate how the novel interrogates embodiment, medical authority, and human difference. By situating the text within historical frameworks of medicine and corporeality in Mexico, and alongside speculative modes that seek to recuperate non-Western epistemologies, the analysis reveals how Moreno-Garcia reimagines the body as mutable, relational, and politically charged. The narrative’s hybrid characters and transgressive identities offer a generative lens through which to explore bodily variance, not as deviation, but as a site of possibility. Ultimately, this thesis argues …

Promoting Angiogenesis/Osteogenesis By A New Copper/Magnesium Hydroxide Hybrid Nanoparticle: In Vitro And In Vivo Investigation, Parsa Khalkhali, Meisam Omidi, Daniela S. Masson-Meyers, Babak Akbari, Mohammad Mehdi Dehghan, Hossein Aminianfar, Saeed Farzad-Mohajeri, Van Mansouri, Lobat Tayebi

School of Dentistry Faculty Research and Publications

In this study, a new hybrid nanoparticle composed of magnesium hydroxide and copper oxide (Mg(OH)2/CuO) with an optimized ratio of magnesium (Mg) to copper (Cu) was designed and incorporated into a 3D-printed scaffold made of polycaprolactone (PCL) and gelatin. These hybrid nanostructures (MCNs) were prepared using a green, solvent-free method. Their topography, surface morphology, and structural properties were characterized using scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). The fabricated 3D-printed PCL/Gelatin/MCN scaffolds were investigated in vitro and in vivo. Cell viability tests on murine calvarial preosteoblasts (MC3T3-E1) and human umbilical vein …

Investigating The Role Of Rps3 In The Homologous Recombination Dna Repair Pathway, Jerome Robert Dorsey

Theses and Dissertations

Ribosomal proteins have been demonstrated to perform extra-ribosomal functions beyond protein synthesis, including roles in cell signaling, transcription regulation, apoptosis, and DNA repair. Ribosomal protein S3 (RPS3), in particular, has been implicated in DNA repair and apoptosis pathways, suggesting a critical role in maintaining genomic stability. However, the specific mechanisms involving RPS3 are still unknown, particularly in the context of double-stranded break (DSB) repair. DSBs are among the most severe types of DNA damage, often resulting in chromosomal instability or cell death if not properly repaired. Nonhomologous End Joining (NHEJ) and Homologous Recombination (HR) are the two primary DNA repair …

Factors Influencing Adherence To Surveillance Guidelines In Individuals With Tuberous Sclerosis Complex, Kashish Khanna

Theses and Dissertations

Tuberous Sclerosis Complex (TSC) is a genetic condition that is caused by pathogenic changes in either the TSC1 or TSC2 gene and is characterized by multiple benign tumors, otherwise known as hamartomas, in various organs such as the brain, skin, lungs, and kidneys. Because of the many different clinical manifestations of TSC, extensive surveillance guidelines are recommended for individuals with TSC. Past studies have shown that there has been a gap in knowledge of these surveillance guidelines. These studies also suggest projects that measure adherence to surveillance guidelines and address specific challenges hindering surveillance guideline adherence. This study aims to …

“Digital Shame Shift”: From Telling The Pain To Recording The Truth — Black Maternal Health And Digital Counter-Narrative Storytelling On Tiktok, Odera Covenant Ezenna

Theses and Dissertations

This dissertation explores how digital storytelling on TikTok is used to challenge medical racism, with a particular focus on Black maternal health. Guided by Critical Race Theory (CRT) and Critical Technocultural Discourse Analysis (CTDA), the study examines how TikTok users—ranging from Black mothers to healthcare professionals—create and circulate counter-narratives through two prominent campaigns: #BlackMaternalHealthWeek and #BlackMamasMatter. These digital stories serve as acts of resistance, disrupting dominant medical discourse and amplifying the lived experiences of Black birthing individuals. The research analyzes over 2900 TikTok videos posted between 2021 and 2024, identifying key themes, storytelling strategies, and rhetorical shifts over time. The …

A Scoping Review Of Population Diversity In The Common Genomic Aberrations Of Clear Cell Renal Cell Carcinoma, Sean S. Kumar, Ninad Khandekar, Komal Dani, Saina R. Bhatt, Vinay Duddalwar, Anishka D' Souza

Department of Medicine Faculty Publications

Introduction: Previous literature has shown that clear cell renal cell carcinoma (ccRCC) is becoming a more prevalent diagnosis and that the incidence and mortality differ both regionally and racially. While the molecular profiles for ccRCC are studied regionally through biopsy and sequencing techniques, the genomic landscape and ccRCC diversity data are not well studied. We conducted a review of the known genomic data on 6 of the most clinically relevant DNA biomarkers in ccRCC: von Hippel-Lindau (vHL), Polybromo-1 (PBRM1), Breast Cancer Gene 1-Associated Protein 1 (BAP1), Histone-Lysine N-Methyltransferase Domain-Containing 2 (SETD2), Mammalian Target of Rapamycin (mTOR), and Lysine-Specific Demethylase 5C …

Generating Real-World Evidence In Early Alzheimer's Disease: Considerations For Applying The Target Trial Emulation Framework To Study The Safety Of Anti-Amyloid Therapies, Xiaojuan Li, Sonal Singh, Bahareh Rasouli, Jennifer Lyons, Noelle M. Cocoros, Richard Platt, Ivan Abi-Elias, Jerry H. Gurwitz

Department of Medicine Faculty Publications

Anti-amyloid beta monoclonal antibodies (anti-Aβ mAbs) have received approval from the US Food and Drug Administration for the treatment of patients with mild cognitive impairment or mild dementia due to Alzheimer's disease (collectively known as early AD) based on evidence from clinical trials. However, whether findings from these trials are generalizable to the real world is uncertain. We need reliable evidence on the real-world safety of these treatments to inform decision making for clinicians, patients, and caregivers. Using lecanemab as an exemplar, we outline the key considerations in designing and implementing an observational study on safety and utilization outcomes using …

Real-World Interventional Outcomes For Cardiogenic Shock Complicating Acute Myocardial Infarction, John E. Brush Jr., Ann M. Harper, Luke C. Kohan, Zachary Bouker, Kaivalya Dandamudi, Deepak R. Talreja

Department of Medicine Faculty Publications

Acute myocardial infarction with cardiogenic shock (AMICS) carries high mortality and remains a major concern. This concern drives use of interventions with marginal benefit and some evidence of harm. The configuration of hospital care and allocation of interventions for AMICS in our health system created a natural experiment to analyze interventional outcomes for patients with AMICS.

Objective

To compare clinical outcomes among AMICS patients treated with mechanical circulatory support (MCS) using a micro-axial left ventricular assist device and intra-aortic balloon counter-pulsation (IABP).

Design, setting, participants, outcome measures

In this observational study in a large health system, we used clinical registry …