Digital Commons Network^™

Phase-Variation Microwave Resonator For Highly Sensitive Dynamic Sensing, Chen Zhu, Rex E. Gerald, Jie Huang

Electrical and Computer Engineering Faculty Research & Creative Works

High-precision dynamic sensing is critical in fields, such as industrial automation, structural health monitoring, and environmental sensing, where real-time responses to minuscule changes can prevent system failures or optimize performance. In this work, we introduce and demonstrate a phase-variation coaxial cable resonator (CCR) as a highly sensitive sensor for dynamic sensing applications. As a proof of concept, a prototype device based on a custom-designed CCR is thoroughly investigated for dynamic displacement measurements, as displacement is a fundamental quantity essential to numerous applications. The sensor consists of two components: a static CCR device and a movable conducting plate. As the conducting …

Radiated Susceptibility Testing Using Near-Field Scanning, Mckennan Starkey, Aaron Harmon, Cody Goins, Kristen Donnell, Victor Khilkevich, Daryl Beetner

Electrical and Computer Engineering Faculty Research & Creative Works

Determining locations and components in a system responsible for radiated coupling is challenging. Methods, such as near field injection susceptibility scanning or direct power injection, can only find locations and frequencies where a component is sensitive to the near field or to an injected signal but cannot deduce if the component is well coupled to the far-field. In this paper, a method to experimentally determine the levels of radiated coupling within a target system is proposed. A near-field differential loop probe is scanned over the target device while measuring the radiated energy in a stirred-mode tent. By sweeping the near …

Developing Human-Centric Informational Security, Jonathon W. Penney

Articles & Book Chapters

Disinformation and information manipulation are widely seen as an urgent threat to democracy, but less often as a cybersecurity threat. Historically, disinformation has rarely been included in lists of recognized threats in cybersecurity manuals and appendices of global standards organizations and only recently has disinformation been approached as a cybersecurity threat, with only a handful of works offering a more focused and systematic discussion on this point. This chapter aims to help fill this void by arguing not only that disinformation and information manipulation is a cybersecurity threat, but that the present predominant cybersecurity paradigm is largely inadequate to address …

From Microbes To Molecules: Synthetic Biology Approaches For Advanced Materials Design, Roshini Ramachandran, Frank Macabenta, Grace Bettencourt, Shulammite Feng

Biology, Agriculture and Chemistry Faculty Publications and Presentations

Traditional materials synthesis often involves energy-intensive processes with significant waste generation and limited control over material properties. This review examines synthetic biology as a sustainable alternative for designing advanced materials with enhanced precision and versatility. It explores microbial biomineralization, detailing how microorganisms influence the formation of mineral deposits and participate in key biogeochemical cycles. It highlights recent research advancements in using a wide variety of microorganisms for the synthesis of inorganic materials such as metal and metal oxide nanoparticles, quantum dots, magnetic nanoparticles, and thin films. The review also discusses the production and properties of various biopolymers. Important factors that …

The Role Of Parental Self-Efficacy During The Preschool Years: Links To Parenting Behaviors And Parent-Child Relationship Quality In Dual-Risk Families, Catalina M. Borges

UNF Graduate Theses and Dissertations

Parental self-efficacy (PSE) has been shown to play a critical role in shaping parenting behaviors and parent-child interactions. Examining whether domain-specific PSE like parental self-efficacy helping the child succeed in school (PSEHCSS), influences broad parenting behaviors and parent-child relationships is especially important for families experiencing elevated stress. This secondary analysis explored whether PSEHCSS predicted parenting behaviors and parent-child relationship quality over the preschool years in dual-risk families (i.e., low socioeconomic status and a child with developmental concerns). It was hypothesized that higher PSEHCSS would predict more positive and fewer negative parenting behaviors, and greater parent-child relationship quality; parenting behaviors would …

Rodcast Interaction: A Novel Technique For Dense Virtual Reality Environments, Nevzat U. Demirseren

UNF Graduate Theses and Dissertations

Virtual Reality (VR) technologies continue to grow in popularity and application versatility, yet effective interaction within complex dense environments remains as a critical challenge. In particular, users with low level of VR experience often face decreased accuracy and dissatisfaction selecting occluded objects. A variety of interaction techniques to select and manipulate objects exist, but there is a research gap in understanding what kinds of techniques support users in dense environments. This study evaluates the user performance and preference in such environments. Three interaction techniques are examined in this study: Go-Go Hand, Flower Cone, and a proposed technique called RodCast Interaction. …

Understanding Shifts In Student Satisfaction Between Peak And Post Pandemic, Brian Verkamp

UNF Graduate Theses and Dissertations

This study investigates student satisfaction in online learning environments at the University of North Florida (UNF), with a focus on how satisfaction levels have fluctuated between the peak-pandemic and post-pandemic periods. Utilizing a combination of descriptive and inferential statistical techniques, the research examines the relative importance and satisfaction ratings of various educational factors, including demographic influences such as gender, race, and academic program. By creating a composite measure of overall student satisfaction, this study provides a comprehensive analysis of the factors that most significantly impact student experiences in online courses. Findings highlight the critical role of both satisfaction and importance …

Diversity Makes Me Uncomfortable: Effects Of Diversity Language On University Student Belonging, Ziena Baker

UNF Graduate Theses and Dissertations

Diversity statements and experiences form the first impressions students have of their prospective universities and employers, setting the stage for perceived feelings of belonging, otherness, and comfort within new environments (Baleria, 2021; O’Keeffe, 2013; Starck et al., 2021). Diversity statements can signal feelings of comfort and belonging or feelings of stress depending on the way in which diversity is framed (Chaney, 2022; Trawalter et al., 2016). This is especially true for students, who are more often affected mentally and physically by changes in university diversity perspectives (Sladek et al., 2021) The current study thus uses a novel blood pressure measure …

Frustrated Quantum Magnetism: The Interplay Of Isotropic And Anisotropic Interactions With Application To Α-Rucl3, Evan M. Wilson

UNF Graduate Theses and Dissertations

We investigate how anisotropic spin interactions, including Dzyaloshinskii–Moriya and Kitaev terms, manifest across quantum spin systems ranging from a single S = 1/2 dimer to molecular spin clusters and layered magnetic materials. Beginning with an exact analysis of the spin dimer, we demonstrate how singlet–triplet mixing induced by Dzyaloshinskii–Moriya interaction directly influences both thermodynamic observables and inelastic neutron scattering spectra. These microscopic fingerprints are then extended to trimer, tetramer, and tetrahedron geometries, where field-induced phase transitions and heat capacity anomalies reveal the interplay between isotropic Heisenberg and anisotropic Kitaev exchanges. In the frustrated zigzag honeycomb lattice, we show that a …

The Presence Of Mercury (Hg) And Perfluoroalkyl Substances (Pfas) In The Guana And Tolomato Rivers, Morgan E. Lattomus

UNF Graduate Theses and Dissertations

The Guana and Tolomato Rivers provide essential habitat for several ecologically and economically important species and is a well-loved and recreated area. Spanning the northeastern Florida coast, the rivers are home to over 50 endangered or threatened species and host several habitat restoration projects due to their ecological significance and proximity to development along the coast. The effects of human influence and pollution, and specifically toxic metal mercury (Hg) and perfluoroalkyl substances (PFAS), are not well known within the system. Hg is known to biomagnify within food webs, and there is a considerable lack of literature concerning PFAS behavior within …

Connecting Bicyclists And Transit: A Multimodal Routing Tool With Bicycle Facilities Scoring, Raphael Y. Mrema

UNF Graduate Theses and Dissertations

This research develops a comprehensive, data-driven framework for assessing multimodal bicycle accessibility using open-source technologies and real-time routing data. Traditional active transportation studies often depend on proprietary GIS tools and static network datasets, which limit scalability, reproducibility, and integration with live mobility systems. In contrast, this study introduces a Python-based approach that leverages GeoPandas, the Google Maps Directions API, and General Transit Feed Specification (GTFS) data to dynamically evaluate infrastructure quality, operational stress, and multimodal connectivity. The framework was applied to Duval County, Florida, to examine how roadway design, facility type, and transit availability jointly influence bicycle network performance and …

Faculty Involvement In Decision-Making Within Florida's State University System: Understanding Perception, Role, And Participation In Shared Governance, Elaine R. Mitchum

UNF Graduate Theses and Dissertations

Shared governance is the collaborative responsibility of faculty, administrators, and governing boards to guide institutional decision-making in colleges and universities. Faculty participation is essential in high-stakes decisions, as their disciplinary expertise and practical experience help ensure that policies align with academic values and long-term institutional goals. This qualitative case study examines faculty perceptions, roles, and participation in shared governance across the twelve institutions within the State University System (SUS) of Florida. Guided by four research questions, the study explored: (1) how faculty describe shared governance; (2) how perceptions of their role vary; (3) how recent events within the Florida SUS …

Annual Report, Fiscal Year 2025, Tennessee. Bureau Of Investigation

Annual Reports

This document is the annual report for the TBI during the fiscal year.

Introducing The Special Series “Sound History Is Cultural History”, Josh Shepperd, Amanda R. Keeler

College of Communication Faculty Research and Publications

This special series features the collaborative work of the Library of Congress Radio Preservation Task Force. The task force is a national clearinghouse project that brings together researchers from academic, archival, federal, and commercial sectors. Pieces in the series discuss RPTF participant commitments and strategies regarding the preservation and curation of the cultural history of sound. The first pieces in the series feature the research of three media historians, who discuss new directions for assessing radio as a cultural and political medium, in reference to the materiality of radio recordings as historical artifacts.

The Community College Library: A Historical Literature Review, Samantha Minnis

Books and Contributions to Books

Community college libraries are busy places, where no two days are the same. In the midst of the busyness of the day-to-day work, there is value in taking time to reflect. The act of writing this chapter is one way of taking time to reflect on the literature produced by community college library professionals over the last thirty years. It is the author’s hope that this review will produce a picture of some of the stories of community college libraries and how they strive to serve their students.

In examining the literature, several main themes arose to describe the conversations …

2024 Liaison And Instruction Impact Report, Emily Frigo, Maya Hobscheid, Jon Jeffryes, Delaney Jorgensen, Hazel Mcclure

Library Reports and Communication

This report provides an overview of the Libraries’ impact in teaching information literacy. Our Teaching and Learning Philosophy describes our student-focused approach and acknowledges “learning and teaching moments occur in a wide variety of contexts, including one-on-one reference consultations, while working on assignments, in the classroom, while considering personal and academic decisions.” Librarians partner with teaching faculty to design research assignments, collaborate on strategic scheduling of library instruction sessions, and cultivate collections to support student learning.

This report shows a snapshot of the work of our liaison and instruction librarians. Instructional approaches and liaison workloads continuously evolve and shift to …

Public Participation Geographic Information Systems (Ppgis) And Understanding User Conflict On The Rogue River, Kim Gaines-Munkvold

Masters in GIS Practicum Reports

This practicum explored the application of Public Participation Geographic Information Systems (PPGIS) to better understand user conflict on the Upper Rogue River, particularly tensions surrounding the use of jetboats. Partnered with Oregon’s Kitchen Table (OKT), who specialize in public engagement within the Hatfield School of Governance at Portland State University, the project supported Oregon state agencies’ effort to gather community input. The practicum consisted of two components - field work and Geographic Information Systems (GIS) analysis. Field work involved traveling to southern Oregon to work as a part of OKT public engagement team at community events and conversations, using a …

Parent & Family Newsletter, August 2025, Illinois State University, Parent And Family Services

Parent & Family Newsletter

Parent and Family Newsletter

Parent & Family Newsletter, January 2025, Illinois State University, Parent And Family Services

Parent & Family Newsletter

Parent and Family Newsletter

Parent & Family Newsletter, September 2025, Illinois State University, Parent And Family Services

Parent & Family Newsletter

Parent and Family Newsletter

Parent & Family Newsletter, April 2025, Illinois State University, Parent And Family Services

Parent & Family Newsletter

Parent and Family Newsletter

Into The Legal “Twilight Zone”: State Tenth Amendment Jurisdiction Displacing Climate Supremacy, Steven Ferrey

Lewis & Clark Law Review

The Supremacy Clause of the Constitution notwithstanding, western states have utilized their reserved Tenth Amendment Constitutional authority, upheld by federal circuit courts, arbitrarily to block their adjacent states’ sustainable infrastructure to address climate change. The Biden Administration set in motion a rapid electrification of the entire U.S. economy via three different new laws enacted sequentially in 2021, 2022, and 2023. A re-directed federal executive branch now oversees these programs and laws. This Article analyzes how each of those three laws suffers from a critical omission plaguing this most significant infrastructure program in the last half century—now forecast counter-intuitively by some …

Cause Of Death? -- It's Probably Not What's Reported On The Death Certificate, Lauren R. Roth

Lewis & Clark Law Review

In the age of big data, this country has a data problem—inaccurate and incomplete information in death certificates. The problem has long been hidden by the numbers reported—as have the people whose deaths go uncounted, but the COVID-19 pandemic unveiled the scope of the issue. Since the beginning of the pandemic, “excess deaths” (i.e., any deaths above the number predicted by existing mortality models) have increased significantly. Most of these excess deaths are likely attributable to COVID-19 because the decedent was never tested for COVID-19 or it was one of multiple factors contributing to their death. Other deaths are uncounted …

Survival Of The Social Interest: Redefining The Bruen Standard To Protect Women From Violence Through United States V. Rahimi, Katelyn M. Sundstrom

Lewis & Clark Law Review

This Note explores the intersection of gun rights and gender-based violence within the U.S. legal system. It delves into the pervasive issue of domestic violence and explores the 2022 Supreme Court decision in New York State Rifle & Pistol Association v. Bruen, which rejected the use of “interest balancing” in evaluating gun regulations in favor of a purely historical and traditional approach. This shift placed significant legal scrutiny on existing firearm restrictions, including 18 U.S.C. § 922(g)(8), which prohibits individuals subject to domestic violence restraining orders from possessing firearms.

The analysis centers on the 2023 case United States v. Rahimi, …

When The “Attorney Work Product” Is A New Baby: The Case For Parental-Leave Continuance Rules, Michelle Browning Coughlin

Lewis & Clark Law Review

Parental-Leave Continuance Rules (PLCRs) are gender-neutral procedural rules that provide specific frameworks to courts for granting requests for a continuance of a scheduled legal proceeding or deadline if a necessary counsel is unavailable because they or their parenting partner will be experiencing a birth, adoption, or foster placement of a child. Existing laws protecting parental leave in the United States are tied to employment; and since courts are not generally the employers of attorneys appearing before them, they are not obligated to honor an attorney’s parental leave when scheduling a trial or other legal proceeding. While continuances are granted in …

The Legal Ramifications Of Israel’S Destruction Of Gaza’S Healthcare System, Serene Mistkawi

Lewis & Clark Law Review

This Comment argues that Israel’s attacks on the medical infrastructure of Gaza are a violation of international law because hospitals are protected zones and medical personnel are civilians. To Israel’s response that Hamas is attack-ing from hospitals, thereby rendering them legitimate targets, this Comment presents a number of responses: (1) there is little to no evidence that Hamas is doing this; (2) even if Hamas is doing this, the military gains from attacking hospitals are outweighed by the civilian deaths; (3) even if Hamas is doing this and there is significant military gain from attacking hospitals, the interna-tional rules have …

Multifunctional Nanoscale Pigments: Emerging Risks And Circular Strategies For A Sustainable Future, Ajay Vikram Singh, Preeti Bhardwaj, Vimal Kishore, Sunil Choudhary, Akihiko Hirose, Neha Gupta, Madleen Busse, Swarn Lata Singh, Christopher J. Osgood

Biological Sciences Faculty Publications

The substantial penetration of nanoscale pigments into a range of sectors has changed the dynamics of industries such as medical, material science, and many more. Nonetheless, their persistence in the environment and probable adverse impacts on health require that an assessment of such risks be formulated considering the One Health perspective. This viewpoint considers the crossing of boundaries of progress in the nanotechnology of nanoscale pigments with environmental, animal, and human health and emphasizes the significance of collaborative activity. Traditional perspectives explain the distribution of pigment history, while the nanotechnology of today's accessibility poses problems regarding utilization, toxicities, and interactions …

Empirical Study Of Far-Field Radio Frequency Wireless Power Transfer Testbed For Underground Mines Based On 1.8 Ghz, Anabi Hilary Kelechi, Samuel Frimpong

Mining Engineering Faculty Research & Creative Works

A novel 1.8 GHz far-field wireless power transfer (WPT) testbed was designed to achieve long-distance energy harvesting in underground mine (UM). Prior experimental studies confirm that underground mines experience 50 dB radio frequency (RF) signal attenuation compared to a typical wireless environment. Due to this severe signal attenuation, the currently proposed radio frequency energy harvesting (RF-EH) testbed cannot be deployed in underground mines. In this study, we proposed, designed and performed an empirical study with a military-grade class A radio frequency wireless power transfer (RF-WPT) testbed. The various digital modulation schemes experimented with included: BPSK, DBPSK, QPSK, OQPSK, Pi4DQPSK, 8PSK, …

Navigation In Underground Mine Environments: A Simulation Framework For Quadruped Robots, Yixiang Gao, Kwame Awuah-Offei

Mining Engineering Faculty Research & Creative Works

Quadruped robots have shown significant potential for navigating complex and hazardous environments, such as underground mines, where traditional wheeled or tracked systems have limitations. However, their development and deployment are hindered by the disparity between controlled laboratory testing and real-world conditions and the lack of tools (e.g., simulation testbeds) that expedite the required development and testing. This work develops a simulation testbed for expediting and advancing navigation algorithms, perception systems, and control strategies for quadruped robots in subterranean and hazardous environments. By utilizing high-fidelity 3D maps, ranging from intricate cave systems to real-world sites like the Edgar Mine, simulation environment …

Approaches To Care For Children With Special Needs In Dental Settings: Desensitization And Teledentistry, Hannah Bergeron D.M.D., M.S., Chia-En Tsai D.D.S., Giovana Anovazzi D.D.S., M.Sc., Ph.D., James R. Boynton D.D.S., M.S.

The Journal of the Michigan Dental Association

Children with special health care needs (SHCN) are at a heightened risk of developing chronic physical, developmental, behavioral, or cognitive conditions that significantly affect their oral and general health. These children often encounter significant barriers to receiving adequate dental care, which contributes to neglected oral health needs. Common challenges include increased risk of dental diseases due to medication use, oral hygiene difficulties, and dietary restrictions. Newer strategies aimed at overcoming these barriers include the use of dental social stories, desensitization techniques, and teledentistry.

Social stories offer a structured way for parents to help prepare children for their dental visits. Desensitization …