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Articles 47941 - 47970 of 818463
Full-Text Articles in Entire DC Network
Liner Notes On Black Trans Girlhood: Afrofuturist Affect & Black Popular Music As A Praxis Of Self-Fashioning, Shawn J. Williams
Liner Notes On Black Trans Girlhood: Afrofuturist Affect & Black Popular Music As A Praxis Of Self-Fashioning, Shawn J. Williams
Theses and Dissertations
Liner Notes on Black Trans Girlhood: Afrofuturist Affect & Black Popular Music as a Praxis of Self-Fashioning interprets Black musical performance in identity-making, with a focus on how music and Black trans identity intersect and informs Black trans girlhood. As such, Black trans girls render ourselves legible, i.e. understood without shame or judgment, by constructing our identities through the music by Black women we listen and dance to, or watch and sing. These musical connections affirm the possibilities of Black femme expression. This expression of Black femininity is due to what I call an Afrofuturist affect, by which I refer …
Molecular Mechanisms Of Kynurenine-Mediated Lifespan Regulation In Yeast, Ryan E. Counterman Jobb
Molecular Mechanisms Of Kynurenine-Mediated Lifespan Regulation In Yeast, Ryan E. Counterman Jobb
Theses and Dissertations
The kynurenine pathway is a highly conserved pathway that acts as the primary pathway for tryptophan catabolism and has been found to be involved in lifespan regulation across many diverse organisms. Caloric restriction (CR) is the only known dietary intervention to date that both increases the mean lifespan and the health span of multiple organisms, although the molecular mechanisms of these effects are not fully understood. There are known and sometimes contradictory relationships between the kynurenine pathway activity and the life- extending effect of CR but the crosstalk between the two is not well characterized. Understanding these relationships could lead …
Rethinking Parkinson's Disease Genetics In The Precision Medicine Era: Why Genomic Diversity Matters?, Camilla Teixeira Pinheiro Gusmão, Giselli Scaini, Everton Ferreira De Souza, Rafael Antônio Vicente Lacerda, Matheus De Almeida Costa, Raja Mehanna, João Quevedo, Howard Lopes Ribeiro Junior
Rethinking Parkinson's Disease Genetics In The Precision Medicine Era: Why Genomic Diversity Matters?, Camilla Teixeira Pinheiro Gusmão, Giselli Scaini, Everton Ferreira De Souza, Rafael Antônio Vicente Lacerda, Matheus De Almeida Costa, Raja Mehanna, João Quevedo, Howard Lopes Ribeiro Junior
Faculty, Staff and Student Publications
No abstract provided.
Topss: Tolerability Of Transcranial Direct Current Stimulation In Pediatric Stroke Survivors, Stuart Fraser, Anna Clearman, Melika Abrahams, Bernadette Gillick, Tia Lal, Sean Savitz, Nuray Yozbatiran
Topss: Tolerability Of Transcranial Direct Current Stimulation In Pediatric Stroke Survivors, Stuart Fraser, Anna Clearman, Melika Abrahams, Bernadette Gillick, Tia Lal, Sean Savitz, Nuray Yozbatiran
Faculty, Staff and Student Publications
Background: Transcranial direct current stimulation is a non-invasive neuromodulation technique with emerging therapeutic potential in neurodevelopmental conditions. While childhood-onset stroke survivors frequently experience long-term motor impairment, there are very few studies examining the safety and feasibility of transcranial direct current stimulation in this population.
Objective: To evaluate the safety, feasibility, and tolerability of bihemispheric transcranial direct current stimulation paired with occupational therapy in children and adolescents with chronic hemiparesis following childhood-onset arterial ischemic stroke or intracranial hemorrhage.
Methods: In this single-arm, open-label pilot study, five participants aged 6-19 years of age received five daily sessions of transcranial direct current stimulation …
Smoking Habit And Long-Term Colorectal Cancer Incidence By Exome-Wide Mutational And Neoantigen Loads: Evidence Based On The Prospective Cohort Incident-Tumour Biobank Method, Tsuyoshi Hamada, Tomotaka Ugai, Carino Gurjao, Satoko Ugai, Xuehong Zhang, Koichiro Haruki, Yasutoshi Takashima, Naohiko Akimoto, Mai Chan Lau, Kosuke Matsuda, Nobuhiro Nakazawa, Mayu Higashioka, Satoshi Miyahara, Keisuke Kosumi, Yohei Masugi, Li Liu, Yin Cao, Daniel Nevo, Molin Wang, Reiko Nishihara, Sachet A Shukla, Catherine J Wu, Levi A Garraway, Jeffrey A Meyerhardt, Edward L Giovannucci, Jonathan A Nowak, Charles S Fuchs, Andrew T Chan, Mingyang Song, Marios Giannakis, Shuji Ogino
Smoking Habit And Long-Term Colorectal Cancer Incidence By Exome-Wide Mutational And Neoantigen Loads: Evidence Based On The Prospective Cohort Incident-Tumour Biobank Method, Tsuyoshi Hamada, Tomotaka Ugai, Carino Gurjao, Satoko Ugai, Xuehong Zhang, Koichiro Haruki, Yasutoshi Takashima, Naohiko Akimoto, Mai Chan Lau, Kosuke Matsuda, Nobuhiro Nakazawa, Mayu Higashioka, Satoshi Miyahara, Keisuke Kosumi, Yohei Masugi, Li Liu, Yin Cao, Daniel Nevo, Molin Wang, Reiko Nishihara, Sachet A Shukla, Catherine J Wu, Levi A Garraway, Jeffrey A Meyerhardt, Edward L Giovannucci, Jonathan A Nowak, Charles S Fuchs, Andrew T Chan, Mingyang Song, Marios Giannakis, Shuji Ogino
Faculty, Staff and Student Publications
Objective: To test the hypothesis that the association of smoking with long-term colorectal cancer incidence may be stronger for tumours with higher mutational and neoantigen loads.
Methods and analysis: In the Nurses' Health Study (1980-2012) and the Health Professionals Follow-up Study (1986-2012), our novel prospective cohort incident-tumour biobank method (PCIBM) used 3053 incident colorectal carcinoma cases including 752 cases with whole-exome sequencing data. Using the multivariable duplication-method Cox regression model with the inverse probability weighting to adjust for the selection bias due to tissue availability, we assessed a differential association of cigarette smoking with colorectal carcinoma incidence by an exome-wide …
The Effects Of Ph And Oncometabolites On Dna Repair Mediated By Alkb Family Enzymes, Quentin Mylie
The Effects Of Ph And Oncometabolites On Dna Repair Mediated By Alkb Family Enzymes, Quentin Mylie
Open Access Dissertations
Modifications of DNA and RNA, in particular methylations - such as N6-methyladenine (m6A), 5-methylcytosine (m5C), 1-methyladenine (m1A), and 3-methylcytosine (m3C) are crucial for gene regulation, genome integrity, and cellular adaptation. This dissertation investigates the role of the ALKB family of alpha-ketoglutarate (αKG) and iron-dependent dioxygenases in modulating these modifications, with a focus on how their activity is influenced by pH and metabolic factors, underscoring the connection between environmental conditions and epigenetic and genetic stability.
Chapter 1 provides a comprehensive literature review on the epigenetic and genetic regulation of DNA and RNA modifications, with a particular focus on methylation …
Textual Sediments: Genre And The Planetary Novel, William Bowden
Textual Sediments: Genre And The Planetary Novel, William Bowden
Open Access Dissertations
This dissertation investigates how twenty-first-century prose fiction navigates the ecological and temporal dimensions of planetary crisis. In response to accelerating pressures - climate change, ecological collapse, and the intensification of capitalist modernity - literary studies has turned increasingly to the planetary as a conceptual frame. Yet this shift has often outpaced the development of adequate critical vocabularies and narrative methodologies. By drawing on ecocriticism, narrative theory, phenomenology, and related fields, Textual Sediments proposes a new framework for reading what it terms the planetary novel: a sedimentary genre characterized by temporal layering, formal hybridity, and a recursive engagement with scale. Through …
Confronting The Seaport Resilience Gap: Incentives, Frameworks, And Case Studies For Enhancing Resilience To Natural Hazards In Port Planning And Policy, Rosemarie Fusco
Confronting The Seaport Resilience Gap: Incentives, Frameworks, And Case Studies For Enhancing Resilience To Natural Hazards In Port Planning And Policy, Rosemarie Fusco
Open Access Dissertations
This dissertation investigates the critical issue of seaport resilience, focusing on the gaps in resilience planning and the role of incentives in motivating resilience investment. The research arc addresses the question: What incentivizes seaports to increase natural hazard resilience (NHR)? It is organized into three interconnected manuscripts, each examining distinct aspects of the problem.
The first manuscript critically examines the resilience planning approaches of Small Island Developing States (SIDS) as outlined in their National Adaptation Plans (NAPs), highlighting the limited consideration of seaports despite their critical role in economic and social connectivity. SIDS offer critical insight into seaport resilience due …
Intersections Of Inattention: A Qualitative Inquiry Into The Experiences Of Multiply Marginalized Students In Community College Settings, Jana N. Knibb
Open Access Dissertations
Educational research has examined the impact of expanded access to higher education for historically marginalized groups. However, research on the experiences of students who are both racially minoritized and dis/abled is limited. Findings suggest that, due to their intersectional identities, multiply marginalized dis/abled students (MMDS) navigate policies and practices related to racist ableism, which further marginalize them and create additional barriers in their higher education experiences. Expanding this research requires theoretical frameworks that account for students' identities, experiences, and barriers in higher educational spaces and contexts. This qualitative study, grounded in Dis/ability Studies and Critical Race Theory in Education (DisCrit), …
Per- And Polyfluoroalkyl Substances (Pfas) Effects On Tissue Disposition, Proteome, And Health Effects, Juliana Agudelo Areiza
Per- And Polyfluoroalkyl Substances (Pfas) Effects On Tissue Disposition, Proteome, And Health Effects, Juliana Agudelo Areiza
Open Access Dissertations
Per- and polyfluoroalkyl substances are a class of nonbiodegradable synthetic aliphatic environmental toxicants that are ubiquitous in the environment. A small subset, specifically perfluorooctanesulfonic acid (PFOS) and perfluorooctanoic acid (PFOA), have been designated as highly hazardous to human health by the Environmental Protection Agency (EPA) under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). PFOA and PFOS-associated adverse health effects include, but are not limited to, immune suppression, thyroid dysfunction, increased serum cholesterol, liver damage (i.e., alanine aminotransferase (ALT)), and developmental toxicity (i.e., low fetal birth weight and neurotoxicity). In this doctoral dissertation, it was hypothesized that environmental PFAS …
Rethinking Behavior - Winter 2025, Midwest Symposium For Leadership In Behavior Disorders
Rethinking Behavior - Winter 2025, Midwest Symposium For Leadership In Behavior Disorders
ReThinking Behavior Magazine
A magazine for professionals serving children and youth with behavioral needs.
Winter 2025, Volume 8, Issue 2
Sexual Dysfunction Or Systemic Discrimination? The Role Of Androcentricism And Phallocentrism In The Conceptualization, Diagnosis, And Treatment Of Female Sexual Dysfunction, Alyssa Lagrone
Undergraduate Student Research Awards
No abstract provided.
The Kincare Craze In Child Protection: Romanticism, Subterfuge, And Racial Separatism, James G. Dwyer
The Kincare Craze In Child Protection: Romanticism, Subterfuge, And Racial Separatism, James G. Dwyer
Faculty Publications
Among recent developments in family law, the most prevalent issue on legislative agendas has been Kincare as an alternative to non-relative foster care when maltreated children cannot remain with parents. Long an available option legally but traditionally regarded with skepticism by child protection workers, Kincare is now idealized. A steady stream of state legislative bills aims to encourage or command child protection and foster care agencies to place maltreated children in the home of relatives or friends of their parents whenever one is available, ostensibly based on an assumption that this is categorically better for children than living with unrelated …
Patenting The Taboo: Sex, Drugs, And Abortion, Andrew Gilden, Sarah R. Wasserman Rajec
Patenting The Taboo: Sex, Drugs, And Abortion, Andrew Gilden, Sarah R. Wasserman Rajec
Faculty Publications
The patent system provides a surprisingly rich archive of the interplay between social norms and technological change. Patent law requires applicants to publicly disclose the novelty and usefulness of their inventions, thereby bringing to light areas of innovation that may have previously lived in the shadows. In other words, patent law encourages public disclosure of technologies that are taboo—developed and practiced in secret, for reasons such as social approbation, illegality, or religious sanctity. To obtain a patent for a taboo technology, patentees must establish their legitimacy as innovators while navigating cultural norms that are hostile to their fields of innovation. …
Hypnosis And Mindfulness Audio Recordings For Reducing Fatigue In Individuals With Multiple Sclerosis: A Randomized Controlled Study, Mark P. Jensen, Susan Robles, Michael G. Nash, Susanne May, Dwan M. Ehde, Melissa A. Day, Owen Gottlieb, Laurence I. Sugarman, Kevin N. Alschuler
Hypnosis And Mindfulness Audio Recordings For Reducing Fatigue In Individuals With Multiple Sclerosis: A Randomized Controlled Study, Mark P. Jensen, Susan Robles, Michael G. Nash, Susanne May, Dwan M. Ehde, Melissa A. Day, Owen Gottlieb, Laurence I. Sugarman, Kevin N. Alschuler
Articles
Background
Fatigue is a common problem in individuals with multiple sclerosis (MS).
Objective
The objective was to evaluate the effects on fatigue of having 4 weeks of
access to audio recordings of therapeutic hypnosis (HYP) and mindfulness meditation
(MM) practices.
Methods
A total of 333 individuals with MS and fatigue were randomly assigned to
one of the three treatment conditions for 28 weeks: (1) access to therapeutic HYP audio
recordings, (2) access to MM audio recordings, or (3) no access to recordings
(treatment as usual or TAU). Fatigue impact (primary outcome) and other outcomes
were assessed at 4, 16, and …
Identification Of Benzothiophene-Derived Inhibitors Of Flaviviruses By Targeting Rna-Dependent Rna Polymerase, Leah Liu Wang, Shazeed-Ul Karim, Aidan Hand, Ryan Brunkhorst, Mackenna Petersen, Sarah Altam, Yi Liu, Luwen Zhang, Fengwei Bai, Shi-Hua Xiang
Identification Of Benzothiophene-Derived Inhibitors Of Flaviviruses By Targeting Rna-Dependent Rna Polymerase, Leah Liu Wang, Shazeed-Ul Karim, Aidan Hand, Ryan Brunkhorst, Mackenna Petersen, Sarah Altam, Yi Liu, Luwen Zhang, Fengwei Bai, Shi-Hua Xiang
School of Biological Sciences: Faculty Publications
Flaviviruses such as Dengue, West Nile, and Zika viruses are mosquito-borne RNA viruses that can cause serious diseases in humans. To develop effective drugs for treating these viruses’ infections, we create a new approach for developing common or shared drugs that may work for several different viral species of flaviviruses. It is based on the conserved RNA-dependent RNA polymerase (RdRp), which is the key enzyme for viral replication. We built up a common structure of RdRps (POLcon) from their consensus sequence. A conserved Triple-D structural motif was identified at the active site of POLcon that has been used for virtual …
Bacteria-Engineered Vesicles For Cancer Immunotherapy: From Immunomodulation In Vitro To Anti-Tumor Effects In Melanoma Models, Lan Li
Theses and Dissertations--Chemistry
Bacterial vesicles hold immense potential in various biomedical fields. Among these, outer membrane vesicles (OMVs) produced by Gram-negative bacteria are the most extensively studied. While the exact mechanism of OMV production remains unclear, numerous environmental factors have been shown to influence both their yield and composition. In this study, we investigated the effect of three different antimicrobial families on OMV production by E. coli. Interestingly, antimicrobials within the same family did not provide the same effects on OMV yield, suggesting that OMV production may not directly correlate with the antimicrobial mechanism of action. OMVs have demonstrated tumor-inhibitory activity in multiple …
Catalytic Deoxygenation Of Oleaginous Biomass To Renewable Diesel And Sustainable Aviation Fuel Via Decarboxylation/Decarbonylation, Chukwudalu Great Umenweke
Catalytic Deoxygenation Of Oleaginous Biomass To Renewable Diesel And Sustainable Aviation Fuel Via Decarboxylation/Decarbonylation, Chukwudalu Great Umenweke
Theses and Dissertations--Chemistry
Several technologies have been developed to produce hydrocarbon biofuels – renewable diesel (RD) and sustainable aviation fuel (SAF) – from fats, oils, and greases (FOG), with the hydroprocessing of esters and fatty acids (HEFA) representing one of the most mature pathways. In its current form, HEFA is mainly reliant on the hydrodeoxygenation (HDO) reaction, which has several drawbacks since HDO requires large amounts and pressures of hydrogen, feedstocks of high purity and cost, as well as problematic sulfided catalysts that risk contaminating the biofuel product with sulfur. A process based on decarboxylation/decarbonylation (deCOx) offers an attractive alternative to …
Insights Into Factors Influencing Radical Coupling Chemistry Of Monolignols During Lignification And Induced Changes In Plant Secondary Metabolism, Rachel Poornima Sutherland
Insights Into Factors Influencing Radical Coupling Chemistry Of Monolignols During Lignification And Induced Changes In Plant Secondary Metabolism, Rachel Poornima Sutherland
Theses and Dissertations--Chemistry
Lignin is a complex aromatic biopolymer and an important constituent in plant cell walls. The process of lignin biosynthesis, known as lignification, is poorly understood and challenging to study but has important implications in a variety of fields including sustainable energy, bioengineering, and materials science and is therefore of interest to pursue. In the final stage of lignification, H-, G-, and S-monolignols are oxidized by laccase and peroxidase enzymes to generate radical species that couple to form dimers and further oligomeric species to ultimately produce the lignin polymer. Biomimetic lignin model systems utilize in vitro oxidative coupling reactions as an …
Book Review Of Philosophical Fragments As The Poetry Of Thinking: Romanticism And The Living Present By Luke Fischer, Michael Vater
Book Review Of Philosophical Fragments As The Poetry Of Thinking: Romanticism And The Living Present By Luke Fischer, Michael Vater
Philosophy Faculty Research and Publications
No abstract provided.
Universality Of Complex Valued Neural Networks, Sauvik Mondal
Universality Of Complex Valued Neural Networks, Sauvik Mondal
Graduate Research Theses & Dissertations
Neural networks have become central to modern natural science. One of the key components of these networks is the choice of a suitable activation function. In this manuscript, we explore the selection of an optimal activation function in the context of complex-valued neural networks. We aim to characterize the activation functions $\sigma\colon \mathbb{C} \rightarrow \mathbb{C}$, where each neuron performs the operation $\mathbb{C}^N \rightarrow \mathbb{C}$, defined as: $z \mapsto \sigma(b + w^Tz)$. First, we briefly discuss the real-valued counterpart, including the importance of function approximation and the renowned universal approximation theorem. Subsequently, we examine various criteria for complex activation functions that …
Mindful Parenting And Child Outcomes: Examining Potential Mediators, Riley Laffoon
Mindful Parenting And Child Outcomes: Examining Potential Mediators, Riley Laffoon
Graduate Research Theses & Dissertations
Incorporating themes from general mindfulness practices, the concept of mindful parenting teaches parents to bring present centered attention and awareness to their interaction with their child. For parents of all children, but especially children who may exhibit more challenging behaviors or attention deficit/hyperactive symptoms, the practice of mindful parenting may be especially useful. Using data collected from parents of children ages 5-8 (n = 179), results of the current study suggest significant positive associations between mindful parenting and supporting good behavior and limit setting, and a negative association with parental over-reactivity. Parent emotion regulation served as a mediator between mindful …
Long Term Dynamics Of A Stage Structured Population Model With Nonlocal Dispersal, Md Yasin
Long Term Dynamics Of A Stage Structured Population Model With Nonlocal Dispersal, Md Yasin
Graduate Research Theses & Dissertations
This thesis is based on the 2023 paper “Dynamics of Classical Solutions of a Two-Stage Structured Population Model with Nonlocal Dispersal.” We study the long-term behavior of a population with two life stages, juvenile and adult, moving across space using nonlocal dispersal mechanism. The main goal is to understand the conditions under which the species survives or goes extinct on the long run. This is determined by a key value called the principal spectrum point, λp.
First, using results from the literature on existence of solutions for general initial value problems on Banach spaces, we establish that for any given …
Functional And Structural Impacts Of Bison Grazing Intensity On Plant Communities, Samantha Lynn Berk
Functional And Structural Impacts Of Bison Grazing Intensity On Plant Communities, Samantha Lynn Berk
Graduate Research Theses & Dissertations
The reintroduction of grazing disturbance has become an increasingly popular tool in grassland restoration to build and maintain diverse and functioning ecosystems, but our understanding of how grazers like bison (Bison bison) shape plant communities is limited by binary grazing treatments and unanswered calls for in-depth and mechanistic examinations of community function and structure. Little research has focused on how natural variations in bison grazing intensity impact the function and structure of restored tallgrass prairie; whereby functional diversity is purely defined by changes in trait expression according to plant responses to grazing, and examining both vegetation structure and ecosystem function …
Size Dependent Thermodynamic Properties Of Dppc, Zhenghao Pan
Size Dependent Thermodynamic Properties Of Dppc, Zhenghao Pan
Graduate Research Theses & Dissertations
This study explores the viability of measuring the melting transition behavior in a simple unilamellar vesicle (LUV/SUV) liposome (DPPC surfactant) system using size data from Dy- namic Light Scattering (DLS). The melting transition of phospholipid membranes has been a focal point of studies in biological systems. Conventionally, the transition temperature of a membrane system is measured using either spectroscopy or Differential Scanning Calorimetry (DSC). By assuming that the bilayer volume is conserved, it is shown that DLS provides a transition signal comparable to that of DSC and aligns with known data. The data are fit- ted using Van’t Hoff’s equation. …
Learning Through Following: The Role Of Social Foraging In Juvenile Saddleback Tamarin (Leontocebus Weddelli Weddelli) Development In The Department Of Pando, Bolivia, Meghan E.F. Hanson
Learning Through Following: The Role Of Social Foraging In Juvenile Saddleback Tamarin (Leontocebus Weddelli Weddelli) Development In The Department Of Pando, Bolivia, Meghan E.F. Hanson
Graduate Research Theses & Dissertations
Across the primate order, the juvenile stage is an important period of development that transitions individuals from infancy to adulthood. During the juvenile stage, individuals are weaned but lack experience feeding and foraging on solid foods. As a result, juveniles must learn foraging and feeding skills during this vital period of growth and development. The purpose of this study is to assess how juvenile saddleback tamarins (Leontocebus weddelli) gain foraging and food manipulation skills. During this study, I observed feeding behaviors in a group containing two juveniles and four adults, located at the Estación Biológica Tahuamanu in the Department of …
Yoga As A Self-Care Practice For Mental Health Counselors Who Treat Trauma, Kari Michelle Fitzgerald
Yoga As A Self-Care Practice For Mental Health Counselors Who Treat Trauma, Kari Michelle Fitzgerald
Graduate Research Theses & Dissertations
Given the high rates of burnout and compassion fatigue among trauma-exposed counselors, understanding effective self-care practices is critical for sustaining clinical effectiveness and well-being. Utilizing Interpretative Phenomenological Analysis (IPA), exploration of the lived experiences of licensed mental health counselors who treat trauma and use yoga as a self-care practice was conducted. Eight participants who were regular yoga practitioners each participated in one semi-structured interview and submitted one pre- and one post-interview reflective journal entry. Thematic analysis was used to identify six major themes; 1) emotional impact and sacred responsibility of clinical work, 2) yoga as a regulating and restorative practice, …
Piv Visualization Of A Sinusoidal Ehd Confinement Flow Induced By Variation In Ion Density For Electrostatic Particle Agglomeration, Md Eyasin Hossain
Piv Visualization Of A Sinusoidal Ehd Confinement Flow Induced By Variation In Ion Density For Electrostatic Particle Agglomeration, Md Eyasin Hossain
Graduate Research Theses & Dissertations
Long-term exposure to PM2.5, which is responsible for four million cardiovascular-related deaths worldwide, is a major concern as people spend 90% of their time indoors. Fabric filters have been commonly utilized for particle pollution control in indoor settings. However, the maintenance cost of fabric filters is relatively high, as particle accumulation on filters can lead to higher pressure drops (45 ∼ 300 Pa) and energy consumption, as well as the growth of biological organisms and the generation of airborne pathogens. An electrostatic precipitator (ESP) is filterless and widely used in the electric power industry for collecting coal fly ash. ESPs …
"On The Mat They Will Get Treated The Same": Male High School Wrestlers' Attitudes Towards Female Opponents, Emily Ann Kaht
"On The Mat They Will Get Treated The Same": Male High School Wrestlers' Attitudes Towards Female Opponents, Emily Ann Kaht
Graduate Research Theses & Dissertations
Wrestling has historically been considered a male sport. Until recently, so few girls wrestled that those who did had no choice but to take on male opponents. Media reports and the literature indicate that those girls faced a wide range of attitudes from their opponents. While some women reported feeling supported by their male teammates, others reported hostility. Some stakeholders have, in the past, argued that wrestling is inherently unsuitable for girls, and some girls had trouble securing matches due to widespread refusal of boys to wrestle against them. Reasons given for boys forfeiting against girls have included a fear …
Experimental Demonstration Of A Metallic Sub-Terahertz Structure For High-Gradient, High-Efficiency Acceleration, Brendan Leung
Experimental Demonstration Of A Metallic Sub-Terahertz Structure For High-Gradient, High-Efficiency Acceleration, Brendan Leung
Graduate Research Theses & Dissertations
Future accelerator facilities are increasingly constrained by the cost and footprint of conventional radiofrequency technology. Advancing both accelerating gradient and beam-to-wake energy transfer efficiency in the sub-terahertz (sub-THz) regime offers a credible path toward compact machines. Short wavelengths strengthen beam–structure coupling and enable small-aperture, high-impedance geometries; paired with tailored drive-beam current profiles, they can simultaneously raise gradient and transformer ratio.
This dissertation reports the design, fabrication, and beam testing of a sub-THz structure-wakefield accelerating (SWFA) device evaluated at the Argonne Wakefield Accelerator (AWA). The emittance-exchange (EEX) beamline was used to generate prescribed longitudinal current profiles in two modes: (i) a …