Digital Commons Network^™

Environmental Stewardship: Managing The Process Of Changing Archives Spaces, Bethany Fiechter

Library Faculty Publications

A building renovation in many ways is comparable to that of sowing and harvesting a garden. It requires a favorable environment, great planning, patience, and fortitude. Both the process and outcome can be wildly unpredictable, so archivists and any other parties involved must be prepared to respond with flexibility, adaptability, and, at times, compromise.

When we think about renovations, how do we as practitioners and leaders advocate for the specialized requirements that suit the needs of our evolving collections? How do we balance asking for what we want versus what is minimally required? What sacrifices may be needed to satisfy …

Evaluating The Qualitative Aspects Of A Community College Academic Success Program, Joselito Dacillo Coquilla

Walden Dissertations and Doctoral Studies

College academic success programs (ASP) frequently include both quantitative and qualitative key performance indicators (KPI). While the quantitative KPIs are typically programmed for evaluation within an ASP’s implementation, evaluating qualitative KPIs is resource intensive and therefore, sometimes overlooked. The problem addressed by this study was the need to evaluate the qualitative KPIs in a large community college system’s 2016 ASP (2016-2020). The purpose of this basic qualitative study was to conduct a summative evaluation to determine the extent to which the college achieved its ASP’s qualitative KPI objectives from the perspectives of students. The study was guided by Tinto’s involvement …

The Humanities And Interdisciplinarity: Borderless Sympathy And Global Citizenship, Lianne Gabrielle Sauvage

Honors Thesis

In an era marked by capitalism, rapid globalization, and technological advancement, the humanities, and interdisciplinary studies have been pushed aside for the sake of profitability. Drawing on insights from scholars like Martha Nussbaum and Stuart Hall, this paper explores the crucial role of a humanities-based and interdisciplinary education in fostering skills and sensibilities necessary in navigating the increasingly interconnected world. Through an examination of various interdisciplinary courses at Loyola Marymount University, this paper demonstrates the nuanced ways in which the humanities enrich our understanding of human experience, cultural diversity, and sociopolitical dynamics, ultimately developing a borderless sympathy that is necessary …

An Alternate Proof For The Top-Heavy Conjecture On Partition Lattices Using Shellability, Brian Macdonald, Josh Hallam

Honors Thesis

A partially ordered set, or poset, is governed by an ordering that may or may not relate any pair of objects in the set. Both the bonds of a graph and the partitions of a set are partially ordered, and their poset structure can be depicted visually in a Hasse diagram. The partitions of {1, 2, ..., n} form a particularly important poset known as the partition lattice Πn. It is isomorphic to the bond lattice of the complete graph Kn, making it a special case of the family of bond lattices. Dowling and Wilson’s 1975 Top-Heavy Conjecture states that …

Seeing Is Believing: Religious Views, Perceptions Of Pollution, And Environmental Attitudes, Katelynn (Sage) Shadoan

Department of Sociology: Dissertations, Theses, and Student Research

This study explores the intersection of religious beliefs, perceptions of pollution, and environmental attitudes among Americans. Drawing upon Lynn White's seminal argument regarding Christian theology and its implications for environmental stewardship, this research investigates the role of biblical literalism in shaping environmental attitudes, particularly among conservative Christians. Using nationally representative survey data and logistic regression models, the study examines how the perceptions of pollution moderate the effects of views of the Bible on environmental concern. The findings reveal that while perceived pollution exposure is strongly associated with environmental attitudes, it does not moderate the association between biblical literalism and environmental …

The Set Falls Apart, Thomas F. Tait

Theses and Dissertations

Using systems, puppets, and reappropriated technologies as central features of my practice, in my work I explore allegorical connections and cross-affiliations between otherwise separate ontological categories. In this text, I draw on sources such as affect theory, science fiction, theater, and the uncanny, to consider our affectual relationship to the nonhuman.

Glacier Lake Inventory And Lake Outburst Flood Hazard Assessment In Kanchenjunga Conservation Area, Nepal, Prabish Khadka Chhetri

Theses

This study presents a comprehensive assessment of glacial lakes and land surface temperature (LST) dynamics within the Kanchenjunga Conservation Area (KCA) from 2010 to 2023. The KCA holds significant ecological importance, serving as a critical habitat for diverse flora and fauna, while also playing a vital role in regional hydrological systems. Additionally, its stunning landscapes attract tourists and mountaineers from around the world, further emphasizing the need for understanding environmental changes within the area. Utilizing medium to high-resolution satellite imagery from PlanetScope for glacial mapping and Landsat for LST analysis, the research aimed to achieve two primary objectives: creating an …

Detection Of Unauthorized Transmissions In A Frequency Spectrum Using Wireless Sensor Network, Joel Brinkman, Jannette Gonzalez, Benjamin Roehrig, Dylan Zupec

Honors Capstones

A prototype for a wireless sensor network has been designed to detect and identify unauthorized wireless transmissions in a frequency spectrum. This prototype design is intended to detect unauthorized transmissions within the FM band of frequencies independently at individual nodes with Software Defined Radio receivers and transmit that information to a fusion center for aggregation using a Bluetooth mesh network. Aggregated results will be displayed to the user through a Graphical User Interface at the fusion center.

Bioactive Glass Bead Characterization: Further Applications In Passive Drug Delivery, Marie O. Sykes

Physics and Astronomy Honors Papers

Bioactive glass beads were discovered for their bone repair properties in 1969. This properties, along with their bactericidalness, high ability to be engineered, bioactiveness and their versatile structures, mark them as excellent candidates for explorations in other biomedical applications in addition to bone repair. One alternative application includes passive drug delivery, especially when the biomaterial is in a porous, microsphere structure. In this work, we first explore various samples of bioactive glass compositions and structures in order to target the best bead for the application of drug delivery. The targeted beads are then thoroughly characterized using optical microscopy, Scanning Electron …

In-Service Science Teacher’S Pedagogical Content Knowledge In The Examination Of Socioscientific Issues And Implementation Of Social Justice Science Pedagogy: Perspectives On The Impact Of Science And Engineering Practices, Charu Varma

Graduate Theses & Dissertations

The current science vision positions students as knowledge co-creators and science-doers. Teachers support students in phenomenon sensemaking and explaining in the context of socioscientific issues relevant to their daily lives. Students connect classroom learning to their communities and gain an understanding of how to affect change for the better.

This qualitative case study sought to understand the pedagogical content knowledge (PCK) of an in-service high-school science teacher who participated in a long-term professional development program and connected the socioscientific issue of personal safety in school speed zone to science and engineering practices, thereby promoting scientific literacy and student agency.

The …

Public Elementary School Counselors’ Experiences Serving Military-Connected Students With Active-Duty Parents, Tiffany Archer Taylor

Walden Dissertations and Doctoral Studies

Most military-connected students (MCS) with active-duty parents attend public schools in the United States. Due to the highly mobile military lifestyles of MCS, some are at risk for academic, emotional, and social challenges. School counselors are often charged with supporting and advocating for MCS; therefore, it is vital to understand elementary school counselors’ experiences with these students. The purpose of this qualitative hermeneutic phenomenological study was to explore the lived experiences of elementary school counselors who work with MCS with active-duty parents in U.S. public-schools. Heidegger’s hermeneutic phenomenological approach served as a theoretical framework for this study. Semistructured interviews were …

Photodynamic Treatment Of Staphylococcus Aureus With Non-Iron Hemin Analogs In The Presence Of Hydrogen Peroxide, Badhu Prashanthika Sivasubramaniam, Benjamin M. Washer, Yuichiro Watanabe, Kathryn E. Ragheb, J. Paul Robinson, Alexander Wei

Department of Chemistry Faculty Publications

Bacteria subjected to antiseptic or antibiotic stress often develop tolerance, a trait that can lead to permanent resistance. To determine whether photodynamic agents could be used to counter tolerance, we evaluated three non-iron hemin analogs (M-PpIX; M = Al, Ga, In) as targeted photosensitizers for antimicrobial photodynamic inactivation (aPDI) following exposure to sublethal H2O2. Al-PpIX is an active producer of ROS whereas Ga- and In-PpIX are more efficient at generating singlet oxygen. Al- and Ga-PpIX are highly potent aPDI agents against S. aureus and methicillin-resistant strains (MRSA) with antimicrobial activity (3 log reduction in colony-forming units) at nanomolar concentrations. The …

Cancer Stem Cell Hypothesis 2.0 In Glioblastoma: Where Are We Now And Where Are We Going?, Anthony R Sloan, Daniel J Silver, Sam Kint, Marco Gallo, Justin D Lathia

Faculty, Staff and Students Publications

Over the past 2 decades, the cancer stem cell (CSC) hypothesis has provided insight into many malignant tumors, including glioblastoma (GBM). Cancer stem cells have been identified in patient-derived tumors and in some mouse models, allowing for a deeper understanding of cellular and molecular mechanisms underlying GBM growth and therapeutic resistance. The CSC hypothesis has been the cornerstone of cellular heterogeneity, providing a conceptual and technical framework to explain this longstanding phenotype in GBM. This hypothesis has evolved to fit recent insights into how cellular plasticity drives tumor growth to suggest that CSCs do not represent a distinct population but …

From Cypherpunks To Congress: A Historical Analysis Of The Development, Uses, And Regulatory Landscape Of Cryptocurrencies, Andrew Moore

Honors Theses

As cryptocurrencies have begun to proliferate through the economy policymakers are asking questions of where they came from, how do they work, what they are used for and how should we regulate the market. Through a historical analysis, it can be seen that Bitcoin represented a legitimate innovation in money and provided significant improvements to earlier attempts at private commodity currency. Additionally, many of the criticisms lobbied against Bitcoin appear to be overstated, most notably the claim that it is a good tool for criminals. However, there has been a notable split in the market. The emerging crypto industry bears …

Comparison Of The Fluorescence Of Bulk Cadmium Sulfide And Cadmium Sulfide Nanoparticles, Jacob Goranson

Celebrating Scholarship and Creativity Day (2018-)

The fluorescence of bulk cadmium sulfide and cadmium sulfide nanoparticles were compared. This was done using an 800-nm, unamplified Ti:sapphire laser producing 50-fs pulses. The pulses were frequency doubled using a beta barium borate (BBO) crystal. The 400-nm beam was used to induce fluorescence in the nanoparticles, while the original 800-nm beam was used to induce fluorescence in the bulk CdS by two-photon absorption. The bulk CdS showed a single fluorescent peak at 523 nm. The nanoparticles showed fluorescence at various wavelengths across the visible spectrum. In general, the nanoparticles showed a broad fluorescent spectrum between 500 nm and 750 …

Teachers’ Perceptions Of The Impact Of Iready On Student Reading Achievement For Students In Response To Intervention, Althia Gates

Dissertations

This qualitative case study aimed to explore teachers’ perceptions of the impact of i-Ready on student reading achievement for students in Response to Intervention (RTI). In this qualitative case study, participants were given an opportunity to voice their point of view and perceptions of the impact of i-Ready, including the benefits and barriers they experience when implementing i-Ready as an intervention tool for struggling readers. The need to hear teacher voices and perspectives on an RTI intervention tool is essential to providing students with the best learning experience and growth results. The study included five elementary teachers who implement i-Ready …

Study Of Nanofluid Flow In A Stationary Cone–Disk System With Temperature-Dependent Viscosity And Thermal Conductivity, Anagha Susan John, Mahanthesh Basavarajappa, Igor V. Shevchuk

School of Mathematical & Statistical Sciences Faculty Publications

The substantial temperature gradient experienced by systems operating at relatively high temperatures significantly impacts the transport characteristics of fluids. Hence, considering temperature-dependent fluid properties is critical for obtaining realistic prediction of fluid behavior and optimizing system performance. The current study focuses on the flow of nanofluids in a stationary cone–disk system (SCDS), taking into account temperature-dependent thermal conductivity and viscosity. The influence of Brownian motion, thermophoresis, and Rosseland radiative flux on the heat transport features are also examined. The Reynolds model for viscosity and Chiam's model for thermal conductivity are employed. The Navier–Stokes equation, the energy equation, the incompressibility condition, …

The Morphology, Spatial Distribution, And Collapse Mechanisms Of Volcanoes On Venus, Rebecca Mary Hahn

Arts & Sciences Graduate Student Theses and Dissertations

Radar imagery collected by NASA’s Magellan spacecraft enabled the recognition and classification of volcanic features and structures across Venus far beyond the scope of earlier missions. These datasets revealed volcanoes that range in size from <5 km to well over 100 km in diameter. Volcanism is clearly a major, widespread process on Venus, and is a principle expression of the planet’s secular loss of interior heat. For my doctoral work, I utilized ESRI’s ArcMap and ArcGIS Pro to develop a detailed global catalog of volcanoes across Venus to improve our understanding of the morphology, spatial, distribution, and evolution of volcanism on the second planet. Chapter 2 introduces the creation and implementation of my global catalog of volcanoes and volcanic fields on Venus. This new global dataset includes ∼85,000 edifices, ∼99% of which are <5 km in diameter and are geographically widespread across the entire planet. With this catalog, I developed an automated approach to delineating volcanic fields—high spatial concentrations of small volcanoes—and also noted a dearth of volcanoes 20–100 km in diameter, which could be related to the eruption rate and/or availability of the underlying magma supply. Chapter 3 focuses on a unique subset of 162 volcanoes on Venus that appear to have undergone gravitational deformation. These deformed edifices are distributed globally, are situated at a range of elevations, are spatially proximal to a variety of tectonic structures, and are associated with various crustal thickness values, which together suggest that there are numerous drivers of volcano deformation on Venus. Furthermore, I note examples of flank terraces on Tepev Mons, a structural indicator of volcano sagging that has not yet been documented on Venus. Lastly, Chapter 4 employs kernel density estimation as a tool at nine topographic rises, and nine volcanic fields across Venus to delineate regions where future volcano formation could occur, based on the locations of edifices ≤20 km in diameter from our global catalog developed in Chapter 2. These resulting volcano-formation probability maps reveal that the intensity of volcanism producing volcanoes ≤20 km in diameter in the Beta-Atla-Themis (BAT) region, an area well-known for its enhanced volcanism (Airey et al., 2017), is lower than at topographic rises across the rest of the planet. These maps can also be used to identify specific regions across Venus that future missions such as EnVision and VERITAS can image using their higher-resolution radars and thus search for newly formed volcanoes between the time of those missions and when the Venus surface was originally mapped by Magellan. Based on my analysis, I conclude that these missions should target specific regions of high-volcano-spatial density in and around Atla, Imdr, Themis, and Dione Regiones.

Language Enrollment In Higher Education: Exploring Social Psychological Factors In Spanish Language Programs With Advanced Learners, David Antonio Balmaceda Marenco

Arts & Sciences Graduate Student Theses and Dissertations

Amidst waning enrollments in U.S. university Spanish courses, particularly at advanced levels, this three-study dissertation addresses the pronounced gender imbalances, delving into the sociopsychological dynamics such as beliefs, attitudes, motivation, and gender in the context of the specific language learning domains of listening, speaking, reading, and writing. Positioned at a crucial juncture—often seen as a gateway to more advanced courses—the research uncovers the nuanced beliefs of learners about these foundational skills. Employing a blend of quantitative and mixed-methods designs, the studies emphasize the pivotal role of reading in advanced university Spanish coursework. Findings from the initial two studies, encapsulating diverse …

Thematic Synthesis: Rethinking Generative Music With Compositional Understanding In Game And Software Development, Jasper Moore Tucker

Dartmouth College Master’s Theses

Generative music, first introduced by composers like Brian Eno and David Cope in the mid-to-late 20th century, has evolved through many stages, with diverse applications across music and technology companies as well as the game industry. However, despite this widespread interest, there remains a notable lack of the foundational understanding of composition and individual expressiveness in current generative systems that was apparent in the work of early composers. This paper advocates for a shift towards prioritizing compositional thought in system design to foster greater diversity and innovation within generative music. To demonstrate this approach, a novel system synthesizing two distinct …

Quantification Of Surface Layer Turbulence Using Sensible Heat Values From Energy Balance Versus Aerodynamic Methods, Steven T. Fiorino, Yogendra Raut, Jaclyn Schmidt, Laura Slabaugh, Blaine Fourman, Jack E. Mccrae, Benjamin C. Wilson, Santasri R. Bose-Pillai

Faculty Publications

Surface layer optical turbulence values in the form of the refractive index structure function C_n^2 are often calculated from surface layer temperature, moisture, and wind characteristics and compared to measurements from sonic anemometers, differential temperature sensors, and imaging systems. A key derived component needed in the surface layer turbulence calculations is the sensible heat value. Typically, the sensible heat is calculated using the bulk aerodynamic method that assumes a certain surface roughness and a friction velocity that approximates the turbulence drag on temperature and moisture mixing from the change in the average surface layer vertical wind velocity. These assumptions/approximations generally …

Identifying Srnas Individual Learning Preferences Utilizing The Vark Learning Inventory Tool, James Eads

Doctor of Nursing Practice Projects

Abstract

All graduates of a doctoral anesthesiology program are required to successfully pass the National Certifying Exam (NCE). Since 2011, the national average passage rate has decreased from 89.1% to 84.1% in 2021 (NBCRNA, 2023). Yamaguchi’s 2022 study revealed that students are positively impacted academically when they implement individual learning preferences. The purpose of this project was to identify individual learning preferences for students enrolled in the U.S. Army Nurse Anesthesiology program. The hypothesis was that students who recognize their preferred learning and incorporate preferred learning techniques would result in an increased percentage of passage rate scores for the NCE. …

Neuroepigenetic Mechanisms Of Brain Development: From Technology To Biological Insights, Allen Yen

Arts & Sciences Graduate Student Theses and Dissertations

Each cell in the brain has the same genomic sequence, yet they can have vastly different phenotypes and function. This diversity is a result of complex genetic and signaling pathways, and knowing how these are regulated is key to understanding physiological development and how pathogenic dysfunctions arise. Genomic methods such as chromatin immunoprecipitation followed by sequencing (ChIP-seq) and assay for transposase-accessible chromatin with sequencing (ATAC-seq) have played pivotal roles in dissecting these processes. However, a key limitation is that the cells are destroyed upon observation of their molecular states, which preclude our ability to correlate historical epigenetic information with future …

Design, Synthesis, Self-Assembly, And Applications Of Functional Bottlebrush Architectures Through Ring-Opening Metathesis Polymerization, Yipei Zhang

Arts & Sciences Graduate Student Theses and Dissertations

Shear-thinning hydrogels are a class of materials with unique rheological properties that enable them to undergo a reversible reduction in viscosity under shear stress, which allows for easy injection. The injectability of shear-thinning hydrogels is particularly important when considering their use in biomedical applications, such as drug delivery, tissue engineering, and wound healing. However, before advancing to these applications, it is crucial to evaluate the “injectability” of new shear-thinning hydrogels to avoid clogging of the needle for injection. Injectability is typically associated with determining suitable viscosity, storage/loss moduli, and other factors, such as injection force (e.g., needle length and gauge …

Information Literacy And Utilization Of Mobile Technology For Enhanced Postgraduate Students’ Academic Performance In Federal Universities In North Central Nigeria, Kate Agbo, Gabriel Keghtor Ubwa

Library Philosophy and Practice (e-journal)

Abstract

The study explored information literacy and utilization of mobile technology for enhanced Postgraduate students’ academic performance in federal universities in north central Nigeria. It recognizes the importance of mobile devices in accessing information and fostering communication, especially in regions where their use is increasing among educators and students. The study highlights the potential of mobile technology to offer immersive learning experiences and access to resources, but it also acknowledges challenges such as inconsistent internet connectivity and the digital divide. The research also investigated various aspects related to mobile technology and information literacy among postgraduate students, including mobile device …

A Realist Interpretation Of Unitarity In Quantum Gravity, Indrajit Sen, Stephon Alexander, Justin Dressel

Mathematics, Physics, and Computer Science Faculty Articles and Research

Unitarity is a difficult concept to implement in canonical quantum gravity because of state non-normalisability and the problem of time. We take a realist approach based on pilot-wave theory to address this issue in the Ashtekar formulation of the Wheeler–DeWitt equation. We use the postulate of a definite configuration in the theory to define a global time for the gravitational-fermionic system recently discussed in Alexander et al (2022 Phys. Rev. D 106 106012), by parameterising a variation of a Weyl-spinor that depends on the Kodama state. The total Hamiltonian constraint yields a time-dependent Schrodinger equation, without semi-classical approximations, which we …

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 …

Redefining The Landscape Of Educational Interpreting: A National Study, Kristen Guynes, Deborah Cates, Angelina Pelikan, Stephanie Zito

Journal of Interpretation

This national study was conducted to examine the level of progress that educational sign language interpretation has made towards professionalization as a field, particularly since the establishment of the National Association of Interpreters in Education (NAIE) in 2016 and the subsequent release of their Standards and Professional Guidelines in 2019. Following a long history of literature indicating drastic disparities in educational interpreters’ credentials, qualifications, expectations, and working conditions, this mixed-method study partially replicated Johnson and colleagues’ (2018) national study, with added exploration of newly acknowledged domains. Data from 591 educational interpreters were analyzed using descriptive and content analyses, triangulated through …

Teaching The New Deal: 1932-1941 – Review And Analysis, Susan M. Foster, Brian Walker Johnson

The Councilor: A National Journal of the Social Studies

Teaching the New Deal: 1932-1941 is a text of crucial and timely importance for students and teachers of middle and high school social studies. Through the lenses of four major themes, authors demonstrate inquiry-based pedagogy to intentionally provoke students to consider non-binary conclusions that closely examine the purported heroes, villains, and martyrs of traditional historical narratives. Rather than presenting a factual or ideological approach to teaching disciplinary standards, this text depicts the New Deal Era as a period in history that can be used to critically and creatively discuss the politics of personal identity and to explore the legacies of …

Enhancing Retrieval-Augmented Generation With Permissions Awareness, Kishore Jagannath

Defensive Publications Series

The baseline capabilities of LLMs are not always optimally suited to respond to queries within organizational contexts that involve internal, proprietary content with domain-specific language and jargon. While retrieval-augmented generation (RAG) can enable LLMs to deliver responses that take into account proprietary content of an organization as query context, there is no well-defined approach to deploy RAG while safeguarding content. This disclosure describes techniques that enhance RAG to enable any user affiliated with an organization to perform semantic queries limited to the context of the documents the user has the rights to access. Permissions-aware RAG is implemented by retrieving the …