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Full-Text Articles in Entire DC Network
Engineering Cell-Free Protein Synthesis Biosensors For Point Of Care Use, Tyler Jordan Free
Engineering Cell-Free Protein Synthesis Biosensors For Point Of Care Use, Tyler Jordan Free
Theses and Dissertations
Diagnostic tests can dramatically improve and save lives. Survival rates and patient outcomes related to cancer and other diseases can be improved when routine testing guides personalized treatment. Highly accurate laboratory tests exist for thousands of biomarkers, including those of interest in this dissertation, but cost and complexity limit access to life-saving lab tests in many cases throughout the world. To fill this need and increase accessibility of diagnostics, in this report we report our engineering advancements towards portable biosensors for colorimetric detection of glutamine, endocrine disrupting compounds (EDC), and pathogenic RNA which are key biomarkers in cancer treatment monitoring, …
Systematic Review Of Digital Activity Schedule Use In Individuals With Autism And Intellectual Disability, Adelaide Wahlquist Hammond
Systematic Review Of Digital Activity Schedule Use In Individuals With Autism And Intellectual Disability, Adelaide Wahlquist Hammond
Theses and Dissertations
The purpose of this systematic review of using digital activity schedules as an intervention in individuals with autism spectrum disorder and intellectual disabilities is to determine to what extent the current research shows it to be an effective intervention. For articles to be included in this review, they had to use a digitally presented activity schedule, the activity schedule could not be a task analysis of a single activity or a group visual schedule, and the intervention must have been carried out with individuals with autism or intellectual disabilities. Studies meeting the inclusion criteria totaled 17 studies with a total …
A Proposal For A Compassionate Behavior Consultation - A Pilot Study, Danina Lynne Thatcher
A Proposal For A Compassionate Behavior Consultation - A Pilot Study, Danina Lynne Thatcher
Theses and Dissertations
Teachers frequently encounter disruptive or other challenging behavior in their classrooms, which often results in poor outcomes for both teachers and students. Behavior consultation is frequently used to assist teachers in managing challenging behavior. However, it is difficult for teachers to implement behavioral interventions with consistent fidelity, even with consultative support. This pilot study utilized a multiple-baseline design to evaluate the effects of a compassionate behavior consultation on teachers' implementation fidelity of evidence-based classroom management practices in three junior high classrooms. It also assessed the teacher's ratings of the social validity of the consultation process and resulting interventions. A compassionate …
Acousto-Dielectric Tweezers Enable Independent Manipulation Of Multiple Particles, Liang Shen, Zhenhua Tian, Kaichun Yang, Joseph Rich, Jinxin Zhang, Jianping Xia, Wesley Collyer, Brandon Lu, Nanjing Hao, Zhichao Pei, Chuyi Chen, Tony Jun Huang
Acousto-Dielectric Tweezers Enable Independent Manipulation Of Multiple Particles, Liang Shen, Zhenhua Tian, Kaichun Yang, Joseph Rich, Jinxin Zhang, Jianping Xia, Wesley Collyer, Brandon Lu, Nanjing Hao, Zhichao Pei, Chuyi Chen, Tony Jun Huang
Faculty Publications
Acoustic tweezers have gained substantial interest in biology, engineering, and materials science for their label-free, precise, contactless, and programmable manipulation of small objects. However, acoustic tweezers cannot independently manipulate multiple microparticles simultaneously. This study introduces acousto-dielectric tweezers capable of independently manipulating multiple microparticles and precise control over intercellular distances and cyclical cell pairing and separation for detailed cell-cell interaction analysis. Our acousto-dielectric tweezers leverage the competition between acoustic radiation forces, generated by standing surface acoustic waves (SAWs), and dielectrophoretic (DEP) forces, induced by gradient electric fields. Modulating these fields allows for the precise positioning of individual microparticles at points where …
Consent Behavior, Beliefs In Action: Longitudinal Associations Between Parenting And Adolescent Consent Beliefs And Behaviors, Corinne Archibald
Consent Behavior, Beliefs In Action: Longitudinal Associations Between Parenting And Adolescent Consent Beliefs And Behaviors, Corinne Archibald
Theses and Dissertations
More research is needed to consider how individual beliefs and socialization agents (i.e., parents) throughout adolescence inform consent-related sexual behaviors. Thus, the current study used an ecological systems approach to the theory of reasoned action (TRA) to examine how parents' consent beliefs were related to adolescents' internal and external consent behaviors, via their beliefs about the importance of consent. Having used longitudinal, nationally sampled data from the Healthy Sexuality Project, this study ran SEM path analysis models on 386 caregiver(s) and adolescents. Results found mothers' and fathers' consent beliefs were positively associated with adolescents' consent beliefs a year later and …
Proposing A Matrix For Selecting Security Tools For Small Businesses, Nathan Jonathon Rowbotham
Proposing A Matrix For Selecting Security Tools For Small Businesses, Nathan Jonathon Rowbotham
Theses and Dissertations
Small businesses are increasingly under threat of cybersecurity attacks. An increasingly long list of tools with different purposes and coverage are available to help. But it can be difficult to choose which tools to use, particularly for a small business that may lack financial resources, expertise, and time. Research literature focuses on providing frameworks to follow to protect a business generally. Some research considers an aspect of creating a Security Operations Center. Other research describes the creation of a Security Operations Center as a Service with all the components the researchers deemed necessary. None of the current research literature seems …
Real-Time Dynamically Feasible B-Spline Trajectory Generation For Unmanned Aircraft, David Lavae Christensen
Real-Time Dynamically Feasible B-Spline Trajectory Generation For Unmanned Aircraft, David Lavae Christensen
Theses and Dissertations
Onboard aircraft systems must frequently plan dynamically feasible paths or trajectories to safely and quickly reach their goal position. Optimized B-splines are promising because they can guarantee kinematic feasibility in a computationally efficient manner and can be applied to a variety of vehicle models. However, current B-spline solutions do not adequately constrain trajectories to the physical limitation of the vehicles they are planning for, or are often too conservative. Most are also limited to path smoothing or require pre-optimized timing parameters. This thesis develops a real-time B-spline optimization-based trajectory generator capable of minimizing time while respecting the velocity, acceleration, and …
Exploring The Impact Of Collaborative Communities Among High School Principals, William T. Sherwood
Exploring The Impact Of Collaborative Communities Among High School Principals, William T. Sherwood
Theses and Dissertations
Principals of large high schools are faced with a job that is constantly increasing in demands and complexity; with few options for highly relevant professional development, good resources to aid in problem solving, and/or effective supports for social/emotional well-being. In this qualitative case study, I examine four different school districts involving 20 principals from large high schools that are involved in different iterations of collaborative communities (CC). Participants were interviewed regarding their perceptions of the benefits and challenges of the CC in which they were engaged. Participants also shared the practices and protocols present in their CC contributing to those …
Perspectives And Experiences Of Emergent Bilingual Parents Concerning Their Engagement With Their Child's Teachers And School, Jordan Foss Roberts
Perspectives And Experiences Of Emergent Bilingual Parents Concerning Their Engagement With Their Child's Teachers And School, Jordan Foss Roberts
Theses and Dissertations
Emergent bilinguals (EBs) represent the fastest-growing population in U.S. public schools (Tarasawa & Waggoner, 2015). Many EB parents face linguistic or cultural barriers when engaging with teachers and are often excluded from their children's classrooms because of their English learner status. This qualitative study analyzes EB or English learner parents' perspectives of their child's teachers and school. Critical Sociocultural Theory (C-SCT) was used to view EB parent engagement practices (Moje & Lewis, 2007). The research processes were based on Creswell and Creswell's (2018) methodology using a focus group and interview design to understand these participants' educational interactions. Data was collected …
Raising Hope: A Preliminary Investigation Of Hope-Strengthening Parenting, Anna Sellers Calley
Raising Hope: A Preliminary Investigation Of Hope-Strengthening Parenting, Anna Sellers Calley
Theses and Dissertations
Hope Theory defines hope as a cognitive-motivational process of seeking and obtaining goals through agency thinking and pathway building, with substantive connection to many desirable outcomes. While hope is theorized to begin developing early in life, this assumption has never been empirically investigated. This is due to limitations in established hope measurement. There is an additional gap in the research surrounding the role of parents in the development of hope. In this study, I address each of these gaps by utilizing a novel measure of hope in early childhood and running a multiple linear regression model to investigate potential connections …
Survey Of Parental Perspectives In Dialogic Book Reading Practices In Parents Of Preschool-Aged Children, Hind Otba Taiseer Alsboul
Survey Of Parental Perspectives In Dialogic Book Reading Practices In Parents Of Preschool-Aged Children, Hind Otba Taiseer Alsboul
Theses and Dissertations
This study focused on how early literacy practices at home affect children's language development by looking at the reading habits and dialogic book reading practices of parents with preschool-aged children. Parents were asked to consider and report on their literacy practices at home. They were asked to focus on their current reading habits with their children and how they observed their children paying attention during book-sharing sessions. This study was a part of a bigger project that developed and carried out dialogic reading workshops for parents. Preschool connections and friends spread a survey with parent-report questions in order to collect …
Cellular Sorting Of The Dictyostelium Discoideum Slug, Erin Flowerday
Cellular Sorting Of The Dictyostelium Discoideum Slug, Erin Flowerday
Theses and Dissertations
Dictyostelium discoideum (Dd) cells are amoeba cells that feed on soil or plant leaf matter bacteria. They divide freely in the presence of food. When starved, cell division is ended, and cells transition from unicellular to multicellular organisms initiated by a chemoattractant, cyclic adenosine monophosphate (cAMP). This study intricately examines cellular sorting within the Dd slug, focusing on individual cell dynamics. Represented as oriented ellipsoids, these cells maintain constant volume through a viscoelastic structure. Applying force to specific semi-axes reveals predictable deformations, highlighting the relationship between force and deformation rate. Manipulating damping coefficients and spring constants uncovers insights into cell …
Design And Validation Of Sensing Knee Sleeve Rehabilitation Device Utilizing Large Deflection Strain Gauges, Kurt Christian Jensen
Design And Validation Of Sensing Knee Sleeve Rehabilitation Device Utilizing Large Deflection Strain Gauges, Kurt Christian Jensen
Theses and Dissertations
Total knee arthroplasty (TKA) procedures are increasingly common in the US and globally. However, rehabilitation outcomes may be negatively affected by limited access to physical therapy and patients' tendency to not fully adhere to recommended exercises between therapy sessions. This study aims to develop a remote system to aid rehabilitation, building upon recent sensor development at Brigham Young University, providing physical therapy-like biofeedback during unsupervised at-home exercises. The system developed by this research consists of three primary components: (1) a sensor array for measuring leg/knee biomechanics, (2) a machine learning algorithm to predict knee flexion angle from the sensor data, …
Chinese Mandarin-Speaking Teachers' Voices In Chinese Dual Language Immersion Programs Responding To American Classroom Management Relationship Issues, Wu-Ting Chen
Theses and Dissertations
This study examines Chinese Mandarin-speaking teachers' voices concerning classroom management (CM) in Chinese Dual-Language Immersion (DLI) classrooms in Utah, United States. Most Chinese-Mandarin-speaking teachers in Chinese DLI programs do not have a lot of experience in understanding American Western culture-style CM and therefore encounter new challenges in managing classroom behavior. Moreover, most American students, parents, teachers, and administrators do not understand the Chinese teachers' classroom expectations, nor do they realize that such behavioral expectations are a full part of learning the Chinese-Mandarin language and culture together. Using a sociocultural theoretical perspective and discourse analysis, this study provides descriptive evidence identifying …
Subspace Decomposition Of Linear Secrecy Codes, David Robert Joseph Hunn
Subspace Decomposition Of Linear Secrecy Codes, David Robert Joseph Hunn
Theses and Dissertations
We introduce a new method for the study of linear codes, termed subspace decomposition, which provides new insights into code structure and performance. Briefly, subspace decomposition comprises the evaluation of complex properties of a linear code by evaluating simple properties of its constituent subspaces. We find that this technique has application to a number of problems in coding theory. When applied to the problem of evaluating the performance of secrecy codes, subspace decomposition provides an efficient method for computing the equivocation of coset codes over the binary erasure wiretap channel. It is also especially efficient in computing the chi squared …
Examining The Dual Nature Of Post-Mission Mental Health: An Analysis Of Mental Health Symptoms And Positive Well-Being Among Returned Missionaries Of The Church Of Jesus Christ Of Latter-Day Saints, Blaise Dobson
Undergraduate Honors Theses
This study explores mental health and general well-being amongst returned missionaries who served and completed full-time proselyting missions for The Church of Jesus Christ of Latter-Day Saints. Through a combination of survey data and semi-structured interviews with 15 participants, the research investigated emotional, physical, spiritual, and mental changes experienced during their missions, and how those experiences affected them post-mission. Findings show that majority of participants viewed their mission as a positive experience overall, with few reporting on negative experiences. Very few studies have explored returned missionaries and their mental health; not touching on the specific population of missionaries who finish …
Developing A Fusion Energy Science And Technology Ecosystem, Richard Sandberg
Developing A Fusion Energy Science And Technology Ecosystem, Richard Sandberg
BYU Research Development Office Research Networking Conference
Areas of Interest: Fusion Energy, X-ray imaging, ultrafast optics, computational imaging, inverse and optimization problems, communication, social media campaigns, database development, scientific outreach, educational material development
Overcoming Ethical Obstacles, Mckenzie Rees
Overcoming Ethical Obstacles, Mckenzie Rees
BYU Research Development Office Research Networking Conference
Areas of Interest: Ethical decision-making, Negotiations, Gender issues at work
Increasing Access To Marginalized African Languages Through Historical Dictionaries, Daren Ray, Jim Law, Earl Brown
Increasing Access To Marginalized African Languages Through Historical Dictionaries, Daren Ray, Jim Law, Earl Brown
BYU Research Development Office Research Networking Conference
Areas of Interest: Linguistics, East African History, Dictionary and other language learning corpora, Religious History (in Africa)
Reducing Musculoskeletal Injury Risk For High School Athletes--A Pilot Project, Matthew K. Seeley
Reducing Musculoskeletal Injury Risk For High School Athletes--A Pilot Project, Matthew K. Seeley
BYU Research Development Office Research Networking Conference
Areas of Interest: Biomechanics, Articular Cartilage Health, Athletic Injury Prevention
Reconfigurable Over-The-Air Chamber: Measuring Radio Frequency Device Performance, Benjamin T. Arnold
Reconfigurable Over-The-Air Chamber: Measuring Radio Frequency Device Performance, Benjamin T. Arnold
Theses and Dissertations
Over-the-air (OTA) testing is particularly useful in determining the performance of multi-antenna communication devices in real-world environments. Traditional OTA testing technologies include the reverberation chamber (RC) and the multi-probe anechoic chamber. More recently, the reconfigurable OTA chamber (ROTAC), which is a RC that has probes lining its chamber walls, has been proposed. These probes are either driven with a source, possibly combined with a channel emulator, or are terminated with a tunable impedance. Controlling the excitations and terminations on the probes can alter the fields within the chamber and thereby synthesize an antenna response at the device under test (DUT). …
The Effect Of Context Diversity In Virtual Reality Environments On Speech Motor Learning In A Person With Aphasia And Apraxia Of Speech, Shelby Keeler Holloway
The Effect Of Context Diversity In Virtual Reality Environments On Speech Motor Learning In A Person With Aphasia And Apraxia Of Speech, Shelby Keeler Holloway
Theses and Dissertations
This study explored the effect of contextual diversity on speech motor learning in an individual with apraxia of speech (AOS) using virtual reality (VR). One 62-year-old participant with severe AOS participated in the study where he practiced monosyllabic CVC words in both consistent and diverse VR environments. Kinematic, acoustic, and perceptual data were collected and evaluated for evidence of learning. Kinematic data were collected using electromagnetic articulography where sensors were glued to the participant's upper lip, lower lip, tongue blade, and tongue tip and were tracked with high precision. In addition, acoustic and perceptual data were collected using a microphone …
Religious Liberty: Natural Rights Or The Politics Of Conscience, Madeline Nielsen
Religious Liberty: Natural Rights Or The Politics Of Conscience, Madeline Nielsen
Undergraduate Honors Theses
Religion Clause jurisprudence in the United States has long been a subject of debate. Vincent Phillip Muñoz and Steven D. Smith, two prominent scholars in the field, offer distinct perspectives on the interpretation and application of the Religion Clauses. Muñoz advocates for a natural rights construction, grounding religious liberty in the Founders' understanding of inalienable rights. In contrast, Smith analyzes the principle of religious liberty through reflecting upon how the Founders’, particularly James Madison, were influenced by the historical, philosophical, and theological development of the principle. This thesis conducts a comparative analysis of their viewpoints, focusing on their interpretations of …
Peer Mentoring Program For Refugee And Newcomer Children To Increase Resilience, Chloe Skyla Cooksey
Peer Mentoring Program For Refugee And Newcomer Children To Increase Resilience, Chloe Skyla Cooksey
Theses and Dissertations
The refugee and newcomer population faces many challenges as they arrive in their host country. Many individuals experience varying degrees of trauma in their country of origin. Trauma can lead to poor mental health outcomes and poor adjustment in host countries. Refugee children in particular may experience post-traumatic stress disorder, depression, and anxiety as a result of traumatic experiences. Children can be resilient when given opportunities to create relationships and gain confidence. These opportunities can be fostered through various avenues, one of which is the school environment. Refugee students can benefit from various supports provided to them in the school …
The Negative Impacts Of Parentification On Adolescents: A Systematic Review, Reilly Reid Hawkins
The Negative Impacts Of Parentification On Adolescents: A Systematic Review, Reilly Reid Hawkins
Theses and Dissertations
While child abuse, maltreatment, and neglect are clear examples of the most maladaptive types of parent-child interactions (Borchet et al., 2022), there is considerable evidence for the damaging nature of parentification in terms of youth outcomes and parental/familial dysfunction. The research literature contains numerous studies related to parentification, but there is little research overtly demonstrating the systemic effects of parentification (Peris et al., 2008). It is imperative that researchers and clinicians learn more about the mechanisms involved in the parentification process. Therefore, this systematic review analyzed the research literature centered on both parentification and adolescent populations. This study assessed various …
Functional & Evolutionary Analysis Of Tbx2a And Tbx2b In Zebrafish Heart Development, Maliha Tasnim
Functional & Evolutionary Analysis Of Tbx2a And Tbx2b In Zebrafish Heart Development, Maliha Tasnim
Theses and Dissertations
Congenital Heart Disease (CHD) is the most common birth defect, affecting approximately 1% of live births. This dissertation explores the genetic mechanisms underlying CHD, focusing on the T-box transcription factors Tbx2a and Tbx2b in zebrafish. Utilizing advanced bioinformatics techniques, we reconstructed the ancestral sequences of these genes to understand their evolutionary trajectory and functional divergence. Our analysis highlights the evolutionary conservation of the DNA-binding domain in tbx2a and tbx2b, suggesting its crucial role in maintaining correct gene expression patterns during development. We observed unique and shared amino acid substitutions in these proteins, indicating potential adaptive changes and conserved functions. Comparative …
Key Factors In Internship Selection: A Survey Study Of Non-Doctoral School Psychology Interns, Haley Erickson Hand
Key Factors In Internship Selection: A Survey Study Of Non-Doctoral School Psychology Interns, Haley Erickson Hand
Theses and Dissertations
There is currently a national shortage of school psychologists (National Association of School Psychologists (NASP), 2021c). This shortage has created a job market that favors the job seeker, meaning employers must find ways to actively attract potential candidates to hire enough professionals to meet the needs of their students. However, there is little research on the factors that school psychologist practitioners consider when choosing a district to work in. This research study examined what factors non-doctoral-level school psychologist interns consider when deciding which district to intern in. Likewise, it examined what an ideal working environment looks like for non-doctoral interns. …
Striking At The Root: A Categorization Of Dns Clients, Tyler Dean
Striking At The Root: A Categorization Of Dns Clients, Tyler Dean
Theses and Dissertations
The Domain Name System (DNS) root servers have provided a useful look into the DNS and internet ecosystems for decades. We present a categorization of clients querying DNS root servers. Using two clustering algorithms on DNS traffic sampled in 2020, we can predict the structure and volume of queries originating from different types of clients. Previous research has used unsupervised techniques to better understand DNS traffic patterns, but none have, to our knowledge, considered clients beyond those driven by queries from end users. By performing clustering on IP addresses rather than on individual queries, we are able to examine the …
An Overview Of Contributing Frameworks To Culturally Sustaining Pedagogy, Sarai Clemente Soli
An Overview Of Contributing Frameworks To Culturally Sustaining Pedagogy, Sarai Clemente Soli
Theses and Dissertations
Culturally Sustaining Pedagogy (CSP) is a framework designed to help traditionally marginalized students. Other frameworks have previously tried to draw on culture to help students in similar ways. However, Paris (2012b) claimed that the word sustaining enclosed a meaning of maintaining and enhancing these students' language and cultural practices that no other frameworks did until that point. There is some confusion for educators and others about CSP since it is a newer framework and that there are many of these cultural frameworks analyzing similar concepts. Therefore, the purpose of this literature review was to examine these previous main frameworks that …
Adding A Teacher Dashboard To A Functioning Web App, Melanie Jensen
Adding A Teacher Dashboard To A Functioning Web App, Melanie Jensen
Instructional Psychology and Technology Graduate Student Projects
A teacher dashboard was added to an existing web-based application that teaches math-fact fluency. The author describes the process of analysis, design, development, and implementation. Challenges faced at each stage are described, and design decisions are discussed.