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Articles 2851 - 2880 of 72220
Full-Text Articles in Entire DC Network
Discovering My Danish Heritage In Schleswig-Holstein: Combining Dna With Traditional Genealogical Research, Robert Stieglitz
Discovering My Danish Heritage In Schleswig-Holstein: Combining Dna With Traditional Genealogical Research, Robert Stieglitz
The Bridge
No abstract provided.
Red Boots And Lunch Bucket: Remembrances Of A Rural School, John Wolter Nielsen
Red Boots And Lunch Bucket: Remembrances Of A Rural School, John Wolter Nielsen
The Bridge
No abstract provided.
Anno 7603, Johan Herman Wessel
Review: Lili Elbe, Man Into Woman: A Comparative Scholarly Edition, David Duffield
Review: Lili Elbe, Man Into Woman: A Comparative Scholarly Edition, David Duffield
The Bridge
No abstract provided.
Review: Reid L. Neilson & Scott D. Marianno, Restless Pilgrim: Andre Jenson's Quest For Latter-Day Saint History, Dan Mikel
The Bridge
No abstract provided.
Review: Anders Rasmussen, Civil War Settlers: Scandinavians, Citizenship, And American Empire, Svea Larson
Review: Anders Rasmussen, Civil War Settlers: Scandinavians, Citizenship, And American Empire, Svea Larson
The Bridge
No abstract provided.
Sleep, Eat, Repeat: An Examination Of The Influence Of Sleep And Biological Sex On Eating-Related Inhibitory Control In Overweight Emerging Adults, Shelby Mika Seipert-Raine
Sleep, Eat, Repeat: An Examination Of The Influence Of Sleep And Biological Sex On Eating-Related Inhibitory Control In Overweight Emerging Adults, Shelby Mika Seipert-Raine
Theses and Dissertations
Background: Lower inhibitory control has been shown to associate with greater risk for obesity in adolescence. On average, females have moderately higher rates of behavioral inhibitory control than males. These difference in inhibitory control across sex may influence overeating and development of obesity. This study examined whether sleep duration and sleep quality are associated with food-related inhibitory control and whether this association is moderated by biological sex. Methods: A total of 59 emerging adults ages 18 to 25 (37 males, 22 females) who had a BMI within the overweight or obese categories (BMI ≥25) completed self-report measures of eating and …
A Bilevel Approach To Resource Allocation For Utility-Based Request-Response Systems, Tanner Jack Sundwall
A Bilevel Approach To Resource Allocation For Utility-Based Request-Response Systems, Tanner Jack Sundwall
Theses and Dissertations
We present a novel bilevel programming formulation that aims to solve a resource allocation problem for request-response systems. Our formulation is motivated by potential inefficiencies in the allocation of computational resources to incoming user requests in such systems. In our experience, systems often operate with a surplus of resources despite potentially incurring unjustifiable cost. Our work attempts to optimize the tradeoff between the financial cost of resources and the opportunity cost of unfulfilled user demand. Our bilevel formulation consists of an \textit{upper} problem which has a constraint value appearing in the \textit{lower} problem. We derive efficient methods for finding global …
Enhancing Parental Support For Stem Students, Rebecca Stull Zundel
Enhancing Parental Support For Stem Students, Rebecca Stull Zundel
Instructional Psychology and Technology Graduate Student Projects
This project report explores the design and implementation of instructional resources aimed at enhancing parental support for STEM students within the Army Educational Outreach Program (AEOP). Through a human-centered approach, the project addresses the need for parental involvement in fostering students' STEM education and career exploration. Drawing on multiple design principles and theories, the project aims to empower parents with the knowledge and skills necessary to provide informed guidance and support in STEM fields. The design process involves a comprehensive analysis of learner needs, environmental factors, and project constraints, resulting in the development of self-directed resources tailored to the specific …
Neurobiological Underpinnings Of Autistic Traits, Sensory Processing, And Mental Health In Young Adult Males And Females, Miranda Jane Mcquarrie
Neurobiological Underpinnings Of Autistic Traits, Sensory Processing, And Mental Health In Young Adult Males And Females, Miranda Jane Mcquarrie
Theses and Dissertations
Females may present with autism more frequently than is diagnosed, due, in part, to autistic trait and sensory processing differences. Unfortunately, recruiting enough autistic female participants is difficult, because of such underdiagnoses. By approaching autism as a continuous variable, neurotypical (NT) individuals can be studied to better understand autistic individuals. Thus, to examine potential neurobiological underpinnings of sex-based behavioral profiles, we recruited 52 NT individuals (22 male; 30 female). Participants underwent resting-state functional magnetic resonance imaging (fMRI) to examine how functional network connectivity (via group independent components analysis) underpinned overall male/female differences in previously measured behavioral autistic trait and sensory …
Dissecting Trypanosome Metabolism By Discovering Glycolytic Inhibitors, Drug Targets, And Glycosomal Ph Regulation, Daniel Hale Call
Dissecting Trypanosome Metabolism By Discovering Glycolytic Inhibitors, Drug Targets, And Glycosomal Ph Regulation, Daniel Hale Call
Theses and Dissertations
Trypanosoma brucei, the causative agent of African trypanosomiasis, and its relatives Trypanosoma cruzi and several Leishmania species belong to a class of protozoa called kinetoplastids that cause a significant health burden in tropical and semitropical countries across the world. While an improved therapy was recently approved for African trypanosomiasis, the therapies available to treat infections caused by T. cruzi and Leishmania spp. remain relatively poor. Improving our understanding of T. brucei metabolism can inform on metabolism of its relatives. The purpose of the research presented in this dissertation was to develop novel tools and methods to study metabolism in T. …
Theory And Tools: The Future Of Technology-Based Learning (Slides), Andrew S. Gibbons Iii
Theory And Tools: The Future Of Technology-Based Learning (Slides), Andrew S. Gibbons Iii
Faculty Publications
We are entering a narrow passage that will see great instability in learning technology, instruction, and distance education. My purpose is to talk about two changes that I believe will redirect the entire future of technology-based education.
Theory And Tools: The Future Of Technology-Based Learning (Script), Andrew S. Gibbons Iii
Theory And Tools: The Future Of Technology-Based Learning (Script), Andrew S. Gibbons Iii
Faculty Publications
We are entering a narrow passage that will see great instability in learning technology, instruction, and distance education. My purpose is to talk about two changes that I believe will redirect the entire future of technology-based education.
Ionic Conductivity, Li+ Transference Number, And Diffusion Coefficient Of A Solid-State Electrolyte Composite, Lizbeth Zurita
Ionic Conductivity, Li+ Transference Number, And Diffusion Coefficient Of A Solid-State Electrolyte Composite, Lizbeth Zurita
Reviews, Analyses, and Instructional Studies in Electrochemistry (RAISE)
The design of solid-state electrolyte (SSE) composites involves the fundamental study of transport properties, such as ionic conductivity. This transport property is influenced by the transport mechanisms of the charge species inside the composite, such as diffusion and migration. In this work, we perform the measurement of these three parameters through defined techniques. The resulting parameters were: ionic conductivity, the diffusion coefficient, and the Li+ transference number.
Model To Demonstrate Effects Of Mass Transfer And Applied Current In An Electrolytic Cell, George Ankrah
Model To Demonstrate Effects Of Mass Transfer And Applied Current In An Electrolytic Cell, George Ankrah
Reviews, Analyses, and Instructional Studies in Electrochemistry (RAISE)
This study investigates the relationship between applied current and resulting cell potential in an electrolytic system, considering the transport of electroactive species. By applying Michael Faraday's laws of electrolysis and the Nernst-Planck equation, the behavior of electroactive species in diffusion-controlled systems with and without stirring is modeled. The plots demonstrate how stirring enhances ion transport and establishes a stable Nernst diffusion layer, affecting the kinetics of electrochemical reactions. Understanding these dynamics is crucial for optimizing electrolysis processes.
Review Of Cyclic Voltammetry Measurements For Uranium In Flinak Molten Salt, Jackson Ivory
Review Of Cyclic Voltammetry Measurements For Uranium In Flinak Molten Salt, Jackson Ivory
Reviews, Analyses, and Instructional Studies in Electrochemistry (RAISE)
The electrochemical behavior of uranium FLiNaK molten salts is explored, focusing on cyclic voltammetry (CV) as a powerful tool for redox characterization and diffusion studies. Through a comprehensive review of recent research, the study highlights the significance of CV in understanding electrode kinetics, material compatibility, and process optimization in molten salt environments. The findings underscore the potential of FLiNaK molten salt reactors in advancing nuclear energy technologies, fuel processing, and waste management strategies. Collaborative interdisciplinary efforts are emphasized to address challenges and accelerate innovation in electrochemical methods for nuclear applications.
Model Of The Effect Of Voltage On Contact Angle In An Electrolytic Cell Reaction, Aaron Essilfie
Model Of The Effect Of Voltage On Contact Angle In An Electrolytic Cell Reaction, Aaron Essilfie
Reviews, Analyses, and Instructional Studies in Electrochemistry (RAISE)
This paper investigates the hypothesis that the contact angle at the meniscus of an electrode-electrolyte can be altered during a redox reaction through the coupled understanding of electrowetting and capillarity rise. Recent studies in electrowetting have focused on dielectric surfaces but research on contact angle at the electrode-electrolyte surface is lacking. The study employs a basic electrolytic cell. By applying principles of electrowetting and capillary rise the research aims to understand the relationship between applied voltage and contact angle, to advancements in electrochemistry and microfluidics.
An Overview Of How To Measure The Kinetic Properties Of An Anode Material For The Chlorine Evolution Reaction, Cameron Vann
An Overview Of How To Measure The Kinetic Properties Of An Anode Material For The Chlorine Evolution Reaction, Cameron Vann
Reviews, Analyses, and Instructional Studies in Electrochemistry (RAISE)
The process of generating chlorine gas using electrolysis in aqueous systems is well established. However, a new process requires chlorine to be generated at high temperatures using molten salt. This harsh environment requires a new study of anode materials for the chlorine evolution reaction. Anode materials can be compared by their kinetic parameters, the transfer coefficient α and the exchange current i0. The basic theory of these properties as they relate to the chlorine evolution reaction has been detailed and an analysis method for finding these effective parameters has been shown and demonstrated.
Probing The Surface Structure Of Ferrocene Modified Electrodes Using Cyclic Voltammetry, Rebekah S. Stanley
Probing The Surface Structure Of Ferrocene Modified Electrodes Using Cyclic Voltammetry, Rebekah S. Stanley
Reviews, Analyses, and Instructional Studies in Electrochemistry (RAISE)
Modifying electrodes imparts new electrochemical properties for use in various applications. To fully understand these electrochemical properties the structure of the modified surface needs to be characterized. Cyclic voltammetry (CV) offers a quick and simple way to determine if the surface structure has been homogeneously modified even at low surface concentrations. Nonideal responses in CV scans give insights to the microenvironments and structure of the monolayer surface that may be indistinguishable in other techniques. Peak fitting CV data, coupled with other surface techniques, can further characterize the contributions and nature of these microenvironments and aid in structural determination.
Hybrid Rib And Air Core Arrow Waveguides Fabricated In A Thin Membrane Covered Trench, Seth Brent Walker
Hybrid Rib And Air Core Arrow Waveguides Fabricated In A Thin Membrane Covered Trench, Seth Brent Walker
Theses and Dissertations
The focus of this work is the development of hollow core Anti-Resonant Reflecting Optical Waveguides (ARROWs) fabricated in a membrane covered trench. This technique is a new approach at building more efficient hollow core waveguides for integration into various platforms that involve liquid or gases. These structures are built on silicon wafers using standard microfabrication techniques, including plasma etching to form trenches. Four waveguide designs are demonstrated, which have different numbers of thin film reflecting layers. Research and manufacturing were conducted in BYU's Integrated Microelectronic Laboratory (IML). A brief history of past work at BYU on hollow core ARROW devices …
Enhancing Curcumin’S Therapeutic Potential In Cancer Treatment Through Ultrasound Mediated Liposomal Delivery, Remya Radha, Vinod Paul, Shabana Anjum, Ayache Bouakaz, William G. Pitt, Ghaleb A. Husseini
Enhancing Curcumin’S Therapeutic Potential In Cancer Treatment Through Ultrasound Mediated Liposomal Delivery, Remya Radha, Vinod Paul, Shabana Anjum, Ayache Bouakaz, William G. Pitt, Ghaleb A. Husseini
Faculty Publications
Improving the efficacy of chemotherapy remains a key challenge in cancer treatment, considering the low bioavailability, high cytotoxicity, and undesirable side effects of some clinical drugs. Targeted delivery and sustained release of therapeutic drugs to cancer cells can reduce the whole-body cytotoxicity of the agent and deliver a safe localized treatment to the patient. There is growing interest in herbal drugs, such as curcumin, which is highly noted as a promising anti-tumor drug, considering its wide range of bioactivities and therapeutic properties against various tumors. Conversely, the clinical efficacy of curcumin is limited because of poor oral bioavailability, low water …
Community As A Force Of Action In Lorraine Hansberry's "Les Blancs", Lily Jensen
Community As A Force Of Action In Lorraine Hansberry's "Les Blancs", Lily Jensen
Criterion: A Journal of Literary Criticism
This paper explores Hansberry’s philosophy of community in her 1970 play, Les Blancs. The paper analyzes Hansberry’s use of complex characterization in this text to show the wide reach of the colonial power structure and to show what is required of a community to push for effective action. The paper also analyzes the National Theatre’s 2016 production of Les Blancs, and how this production incorporates and enhances Hansberry’s philosophy of community through the characteristics afforded through theatre as a medium.
“Our Experience Is Fragmentary”: Partial Redemption In Marilynne Robinson’S Gilead Tetralogy, Zachary Stevenson
“Our Experience Is Fragmentary”: Partial Redemption In Marilynne Robinson’S Gilead Tetralogy, Zachary Stevenson
Criterion: A Journal of Literary Criticism
Although the characters and thematic throughlines vary across the four books in the Gilead series, each book takes an interest in the reality of division and considers ways of negotiating and healing that division. Whether the divisions are theological, familial, socioeconomic or racial, their presence haunts the text and the question of their resolution always hovers near the surface. Taken together, these considerations of difference across the four books demonstrate that Robinson populates her novels with chasms that her characters bridge, but only partially so. This coexistence of alienation and reconciliation allows Robinson to articulate a vision of Christian community …
Withholding In Shakespeare: An Analysis Of King Lear And As You Like It, Nylene R. Ward
Withholding In Shakespeare: An Analysis Of King Lear And As You Like It, Nylene R. Ward
Criterion: A Journal of Literary Criticism
Shakespeare is a name familiar to most people who have had the opportunity to study beyond the third grade. Withholding is a practice that isn’t as well known to us until we reach teenage and young adult years. This essay examines both of these topics, exploring the causes and effects of withholding in King Lear and As You Like It while comparing them to real-world definitions and findings. No concrete resolution is formed, instead leaving the outcome to readers as they consider the ethical, relational, and logical implications of the adult hide-and-seek that is withholding.
College Students' Perceptions And Opinions Of Their Physical Activity Instructor Being Caring In Class, David C. Barney, Kamora Shelton, Katelyn Rogers, Teresa Leavitt Dr.
College Students' Perceptions And Opinions Of Their Physical Activity Instructor Being Caring In Class, David C. Barney, Kamora Shelton, Katelyn Rogers, Teresa Leavitt Dr.
Faculty Publications
College can be a very impressionable time for a student, both positively and negatively. One way the college experience can be positive is the interactions the student has with their professors/instructors (hereafter the term instructor will be used). One behavior the instructors can exhibit including in physical activity (PA) classes is being caring or showing caring behaviors toward students. The purpose of this study was to investigate college students’ perceptions of the impact of PA instructor caring behaviors toward the student. For this study 69 college students (45 males and 24 females) were surveyed with one open-ended survey question. It …
Effects Of College Physical Activity Instructors' Enthusiasm On Student Experiences In Class, David C. Barney, Teresa Leavitt Dr.
Effects Of College Physical Activity Instructors' Enthusiasm On Student Experiences In Class, David C. Barney, Teresa Leavitt Dr.
Faculty Publications
It is hoped that teachers in all content areas will be excited, or enthusiastic for what they will be teaching their students. A teacher’s enthusiasm in class can be beneficial to students (Locke & Woods, 1982). Teacher enthusiasm also applies in college physical activity classes. This study investigated college physical activity instructor’s perception and opinions their enthusiasm and how it may affect the student’s experiences in class. For this study 10 college physical activity instructors were surveyed. Generally, the college physical activity felt that when they initiate conversations with students, listen to students, and are excited about what they are …
Techno-Economic Optimization Of A Hybrid Energy System With Limited Grid Connection In Pursuit Of Net Zero Carbon Emissions For New Zealand, Daniel Hill, Shafiqur Rahman Tito, Michael Walmsley, John Hedengren
Techno-Economic Optimization Of A Hybrid Energy System With Limited Grid Connection In Pursuit Of Net Zero Carbon Emissions For New Zealand, Daniel Hill, Shafiqur Rahman Tito, Michael Walmsley, John Hedengren
Faculty Publications
As New Zealand moves towards net zero carbon emissions by 2050, multiple factors must be considered including increased electrical load due to electrification, variability of renewable energy generators, required storage capacity, system economics and limitations on grid transmission capacity. Complex and region-specific interactions between the various design choices involved are likely to require an understanding of a range of optimal and near-optimal designs for proposed micro-grid systems as opposed to a single optimal point. This work develops a novel multiscale optimization algorithm for optimization from a univariate capacity optimization approach to a multivariate one. This enhanced algorithm is applied to …