Digital Commons Network^™

A Comparative Techno-Economic Analysis Of Aqueous And Anhydrous Hcl Electrolysis Processes, O. Felix, K. Likit-Anurak, K. Ngamsanroaj, Sirivatch Shimpalee, Ben Meekins

Faculty Publications

The state-of-the-art aqueous HCl electrolysis process is a well-established process for chlorine production but faces challenges such as limited conversion efficiencies, corrosion, and additional pre- and post-electrolyzer processing steps that add to its cost. This study evaluates whether a recently demonstrated anhydrous HCl electrolysis process is more economically viable than the state-of-the-art aqueous process. A 1D electrolyzer model was developed using Aspen Custom Modeler® and integrated into Aspen Plus® for process modeling. Multiple conversion efficiencies (30.5 %, 50 %, 80 %, and 93.4 %) were analyzed for the anhydrous process, with various heat recovery and heat exchanger configurations assessed using …

Identification Of Authentic Gnss Signals In Time-Differenced Carrier-Phase Measurements With A Software-Defined Radio Receiver, Zhen Zhu, Sanjeev Gunawardena, Eric Vinande, Jason Pontious

Faculty Publications

The time-differenced carrier phase can be computed from measurements recorded by a multi-global navigation satellite system software-defined radio receiver such as PyChips, from which the user displacement and receiver clock drift can be solved. PyChips is able to simultaneously track authentic and inauthentic signals in separate channels, which makes it possible to observe both types of measurements with corresponding navigation data. A random sample consensus algorithm has been introduced to assess the consistency between the measurements and data. This algorithm successfully separated authentic channels from inauthentic channels when they are broadcast simultaneously.

A Demand Systems Analysis Of Energy Sources In The United States, Rafael Bakhtavoryan

Faculty Publications

This study estimates a Generalized Exact Affine Stone Index model to quantify demand structure among such energy sources as natural gas, coal, nuclear, wind, solar, and geothermal energy, employing monthly time-series data ranging from January of 2009 through December of 2020. The demand for natural gas, coal, and nuclear energy emerges as inelastic. A significant substitutability relationship is empirically established between the energy sources. All the computed expenditure elasticities are positive, with natural gas being the most sensitive and nuclear energy being the least sensitive to energy source expenditures. Pre-committed consumption is found for geothermal energy. Finally, the welfare implications …

High-Frequency Impedance Spectroscopy: Measurement Reproducibility, Electromagnetic, And Ionic Effects In Cylindrical Lithium-Ion Cells, Matthew R. King, Paul T. Coman, Rafid Mollah, Md Rayhan Khan, Saranraj Karuppuswami, Taylor R. Garrick, Ralph E. White

Faculty Publications

Accurate high-frequency electrochemical impedance spectroscopy (HF EIS) is critical for understanding lithium-ion battery (LIB) behavior under AC perturbations, relevant to electric vehicle systems and charging infrastructure. However, measurements at high frequencies are often distorted by external electromagnetic interference, poor contact quality, and wiring artifacts. This study investigates four experimental testbench configurations for HF EIS of cylindrical LIBs, highlighting the impact of contact resistance, Faraday shielding, wire twisting, and calibration. A coupled electrochemical-electromagnetic model is developed to isolate and analyze the skin effect and frequency-dependent electrolyte conductivity. Results show that spot-welded connections, twisted and shielded wiring, and calibration within a Faraday …

Daily Movement Activities Are Associated With Within-Person Instability Of Cognitive Function In Older Adults: Evidence From An Ambulatory Assessment Study, Chih-Hsiang Yang, Donald Hedeker, Jongwon Lee, Halle Prine, Donna Coffman, Jingkai Wei, Jonathan George Hakun

Faculty Publications

Background and Objectives

Physical inactivity and excessive sedentary time (ST) are associated with poor cognitive health in older adults. However, current literature largely relies on cross-sectional designs or in-lab cognitive assessments, which do not adequately reflect cognitive function in naturalistic settings. Further, existing studies have largely overlooked the variability or the instability in daily cognitive function, which represents a critical marker of cognitive decline. This ambulatory assessment study examined the temporal associations of daily movement behaviors with the mean levels and the variability of cognition among older adults at risk of dementia. Research Design and Methods

96 older adults from …

High Field Performance Of Si-Doped N-Aln Layers Grown Using Pulsed Mocvd, Abdullah Al Mamun Mazumder, Tariq Jamil, Mafruda Rahman, Muhammad Ali, Grigory Simin, Asif Khan

Faculty Publications

We report on the study of high-field performance of Si-doped n-AlN layers that were grown using a pulsed metalorganic chemical vapor deposition (PMOCVD) process. In the past we showed this pulsed doping approach to lead to doping efficiency superior to that in the conventional MOCVD process. Here using them as the drift layer for a quasi-vertical conduction Schottky barrier, we show their ability to withstand high reverse bias voltages and sustain an electrical field as high as 9.9 MV cm−1. Our study thus demonstrates the viability of the PMOCVD growth and doping approach to yield n-AlN layers suitable …

Hypertensive Disorders Of Pregnancy And Perinatal Outcomes: Two Prospective Cohort Studies Of Nulliparous Women In India And Tanzania, Andrea B. Pembe, Pratibha Dwarkanath, Amani Kikula, John Michael Raj, Nandita Perumal Phd, Heavenlight A. Paulo, Rajalakshmi M, Christopher P. Duggan, Honorati M. Masanja, Nandini Chopra, Mary M. Sando, Tinku Thomas, Cara A. Yelverton, Alfa Muhihi, Anura V. Kurpad, Wafaie E. Fawzi, Blair J. Wylie, Christopher R. Sudfeld

Faculty Publications

Introduction Hypertensive disorders of pregnancy (HDP) have been linked with increased risk for maternal and offspring complications in high-income settings. However, in resource-limited settings, studies with robust measurement of HDP, including severity and timing, and perinatal outcomes are limited.

Methods We analysed data from two prospective cohorts of nulliparous women in India (n=10 570 pregnancies) and Tanzania (n=10 299 pregnancies) who were enrolled in calcium supplementation trials and had blood pressure and proteinuria assessments throughout pregnancy and at the time of labour and delivery. Generalised estimating equations were used to assess the relationship between HDP severity categories (gestational hypertension, preeclampsia …

Understanding The Effects Of Binder Dissolution Dynamics On The Chemistry And Performance Of Lithium–Sulfur Batteries, Saheed A. Lateef, John Chmiola, Fabio Albano, William E. Mustain, Golareh Jalilvand

Faculty Publications

Lithium–sulfur batteries (LSBs) are promising next-generation energy storage devices due to their higher theoretical specific energy and lower cost compared to conventional Lithium-ion batteries. However, their practical implementation has been hindered by severe performance degradation during extended cycling, primarily driven by shuttling of soluble sulfur discharge products (polysulfides) between the cathode and anode leading to capacity loss. In this work, we investigate the impact of selected binders and solvents, highlighting the effect of the dissolution process of the binder in solvent, on the structural properties and electrochemical performance of sulfur cathode. It is demonstrated for a variety of binders that …

Supplemental Data: Analyzing Point Of Care Tools Through Faculty, Resident, And Stakeholder Buy-In: Promises And Pitfalls, J. Michael Lindsay

Faculty Publications

Costs for UpToDate, the library’s primary point of care clinical tool, had increased to half of the acquisitions budget but without user affiliation data to facilitate cost sharing. A working group led by librarians was formed to review alternatives. Surveys indicated users preferred UpToDate and renewal was recommended by the working group, with costs being shared between the academic unit and the hospital. These results showed that the library can effectively lead analysis projects with this level of visibility, but persuading users to consider alternatives to a trusted tool can be challenging.

Appendix 1 is a general survey meant to …

Writing At The Speed Of Hype: Officers’ Post-Experimental Perceptions Of Ai Report Writing, Hunter M. Boehme, Ian T. Adams, Matt Barter, Irick A. Geary Jr., Kyle Mclean

Faculty Publications

Objective

This study examines patrol officer and supervisor perceptions of an artificial intelligence (AI) tool to assist with officer report writing. We compare attitudes among patrol officers randomly assigned to use the AI tool against those who were not.

Methods

Following a randomized controlled trial within a single agency, we conducted a post-intervention survey of patrol officers and supervisors.

Results

Patrol officers expressed generally favorable perceptions toward AI-assisted report writing, though no significant differences emerged between treatment and control groups in perceived utility, speed improvement, or quality enhancement. Despite these non-significant differences, 48% of treated officers reported time savings. Supervisors …

Explaining Nonmerger Gamma-Ray Bursts And Broad-Lined Supernovae With Close Binary Progenitors With Black Hole Central Engines, Christopher L. Fryer, Eric Burns, Anna Y.Q. Ho, Alessandra Corsi, Amy Y. Lien, Daniel A. Perley, Jada L. Vail, V. Ashley Villar

Faculty Publications

For over 25 yr, the origin of long-duration gamma-ray bursts (lGRBs) has been linked to the collapse of rotating massive stars. However, we have yet to pinpoint the stellar progenitor powering these transients. Moreover, the dominant engine powering the explosions remains open to debate. Observations of both lGRBs, supernovae associated with these GRBs, such as broad-line (BL) stripped-envelope (type Ic) supernovae (hereafter, Ic-BL), supernovae (SNe), and perhaps superluminous SNe, fast blue optical transients, and fast x-ray transients, may provide clues to both engines and progenitors. In this paper, we conduct a detailed study of the tight-binary formation scenario for lGRBs, …

Portrayals Of Disabilities In Picturebooks With The Schneider Family Award, Sohyun Meacham

Faculty Publications

This study analyzed the portrayal of disabilities in picturebooks that have received the Schneider Family Award, a well-known children’s literature award in the United States focused on disability representation. The purpose of the study was to conduct an intersectional analysis of these picturebooks to explore how characters are positioned across multiple categories such as disability, race/ethnicity, gender, class, age, and language. Using the Rating Scale for Quality Characterizations of Individuals with Disabilities in Children’s Literature, the study analyzed all 17 picturebooks appropriate for early childhood that received the Schneider Family Award from 2004 to 2020. The analysis found that these …

Land Of The Free, Home Of The Blazed: Legalized Recreational Cannabis Among Undergraduate College Students, Pietro A. Sasso, Shelley Price-Williams

Faculty Publications

Within the United States, attitudes toward cannabis consumption, especially among college students, have grown increasingly positive. Parallel to this trend, various additional social, cultural, and legal shifts have continued to occur in support of open cannabis consumption, though not without potential consequences. This phenomenological qualitative study explored undergraduate college students’ (n = 22) a priori experiences with cannabis use in states with legalized recreational cannabis. Findings in this study suggested a general lack of knowledge regarding cannabis consumption within the surrounding legal framework but a desire to practice safe consumption and receive a more meaningful education. Recommendations for practice included …

The 29th Scientific Conference Of The Society On Neuroimmune Pharmacology In Omaha, Ne, June 8–12, 2025, Allison M. Andrews, Linda Chang, Rosemarie M. Booze, Sabita Roy, Santhi Gorantla, Iiker K. Sariyer, Jerel Fields, Eliseo Eugenin, Howard E. Gendelman

Faculty Publications

The 29th Scientific Conference of the Society on Neuroimmune Pharmacology (SNIP) in Omaha, NE, will occur from June 8th to 11th, 2025. This four-day conference showcases world-renowned biomedical research, providing insights into the latest advancements in the intersecting fields of neuroscience, immunology, pharmacology, and virology. Presentation abstracts are organized into sections that include early career development investigators, mouse models, neurodegenerative diseases, therapeutics, substance use disorders, counseling, drug targeting, disease pathobiology, Blood-Brain Barrier integrity, educational opportunities, young investigator talks, and translational medicine. SNIP remains the sole global meeting dedicated to neuroimmune pharmacology. The focus of research centers on how the neuroimmune …

Adsorption And Electron Transfer Of Metal-Reducing Decaheme Cytochrome Protein Mtrf On Iron Oxide Nanoparticle Surfaces, Jiahuiyu Fang, Pranab Sarker, Xiaoxue Qin, Shuting Zhang, Size Zheng, Tao Wei

Faculty Publications

Dissimilatory metal-reducing bacteria (DMRB) transfer electrons to extracellular metal oxides via a multiheme cytochrome network. Coupling DMRB with iron oxide nanoparticles (NPs) enables continuous redox processes for various applications such as bioremediation and bioenergy. The conformation of the terminal decaheme cytochrome MtrF on the surface critically influences electron transfer (ET) efficiency. In this work, we used molecular dynamics simulations and master equations to study MtrF adsorption on 3.6 and 6.0 nm α-Fe2O3 NPs and its steady-state ET in water. Our study shows that the heme cofactors can have strong electrostatic interactions with iron oxide NP surfaces, promoting protein adsorption and …

Changes In Aggressive Behaviors Over Time In Children With Adverse Childhood Experiences: Focusing On The Role Of School Connectedness, Sei-Young Lee, Mijin Choi

Faculty Publications

Previous research has found the link between adverse childhood experiences (ACEs) and externalizing behaviors later in adolescence and adulthood. However, limited studies have explored longitudinal trajectories of aggressive behaviors affected by ACEs. This study aimed to investigate how aggressive behaviors change over time and compare the trajectories of aggressive behaviors between children with three or fewer (low-risk ACEs) and those with four or more ACEs (high-risk ACEs) with the role of school connectedness on the trajectories of aggressive behaviors over time. The study sample consisted of 4231 children collected by the Future of Families and Child Wellbeing Study, a longitudinal …

October 7 And International Police Cooperation:The Silence Of Interpol, Mathieu Deflem

Faculty Publications

Aim: The aim of this study is to explore the background and interpretation of Interpol’s silence following the terrorist attacks committed by Hamas against Israel on October 7, 2023. The author examines the international policing implications of the events, with special attention to why the world’s largest police organization failed to issue any substantive response.

Methodology: The research is based on a sociological analysis combining a historical and institutional overview of Interpol’s counterterrorism activities with the examination of the organization’s communications and institutional decisions. It relies on qualitative sources and an interpretive, case study-based approach using public documents, records, and …

Associations Between 24-Hour Movement Compositions And Cardiometabolic Health In Children And Adolescents: A Five-Part Compositional Analysis Using Data From The International Children’S Accelerometery Database (Icad), Zoë A. Marshall, Adam Runacres, Pedro Curi Hallal, Russ Jago, Soyang Kwon, Kate Northstone, Russell R. Pate, Jardena Puder, John J. Reilly, Luis B. Sardinha, Niels Wedderkopp, Ester Van Slujis

Faculty Publications

Objectives The benefits of physical activity (PA) and the negative impacts of sedentary time (SED) on health in youth are well established. However, uncertainty remains surrounding how PA and SED jointly influence cardiometabolic risk (CMR) factors. The aim of this study was to determine the joint influence of SED, light-, moderate- and vigorous-intensity PA (LPA, MPA and VPA), and sleep on CMR factors using five-part compositional analyses.

Methods Data were pooled from 16 cohort studies comprising 22 474 children and adolescents from the International Children’s Accelerometery Database. PA was measured using hip-mounted accelerometers with sleep self-reported. CMRs included body mass …

Christian Beliefs About Salvation: Measurement And Associations With Mental Health And Well-Being, Anthony Edward Rose, Timothy B. Smith

Faculty Publications

Religious beliefs influence many behaviors and perspectives relevant to wellbeing and mental health. In Christianity, beliefs about how one attains salvation may be particularly relevant to psychology, but limited scholarship has considered cognitive aspects of religiosity. This study developed and evaluated a new measure of Beliefs about Salvation (BAS) that assesses affirmations of salvation (a) by God’s grace alone and (b) by God’s grace after human repentance/ordinances, as understood by different Christian denominations. We examined the association of the BAS with three measures of mental health and six measures of influences on religiosity. In a sample of 1556 predominantly members …

Relocation Post-Dobbs Among Clinicians Providing Abortions, Dana Howard, Marta Bornstein Phd, Mph, Jocelyn Wascher, Alison H. Norris, Katherine Rivlin

Faculty Publications

Introduction

Intensifying state-level abortion restrictions following the Dobbs v Jackson Women’s Health Organization (2022) decision could lead clinicians to leave states that ban abortion.¹ While large-scale changes are not yet apparent among obstetrician-gynecologists, the abortion care workforce may be uniquely at risk.² We examined the proportion of abortion-providing clinicians who changed primary state of practice, comparing those who left states that banned abortion with those who left states that did not ban abortion after Dobbs, and the ban status of the states to which they relocated.

Methods

This survey study was approved by The Ohio State University …

Human Gut Commensal Alistipes Timonensis Modulates The Host Lipidome And Delivers Anti-Inflammatory Outer Membrane Vesicles To Suppress Colitis In An Il10-Deficient Mouse Model, Ethan Older, Mary K. Mitchell, Andrew Campbell, Xiaoying Lian, Michael Madden, Yuzhen Wang, Lauren E. Van De Wal, Thelma Zaw, Brandon N. Vanderveen, Rodney Tatum, E. Angela Murphy, Yan-Hua Chen, Daping Fang, Melissa Ellermann, Jie Li

Faculty Publications

Correlative studies have linked human gut microbes to specific health conditions. Alistipes is one such microbial genus negatively linked to inflammatory bowel disease (IBD). However, the protective role of Alistipes in IBD is understudied, and the underlying molecular mechanisms remain unknown. In this study, colonization of Il10-deficient mice with Alistipes timonensis DSM 27924 delays colitis development. Colonization does not significantly alter the gut microbiome composition, but instead shifts the host plasma lipidome, increasing phosphatidic acids while decreasing triglycerides. Outer membrane vesicles (OMVs) derived from Alistipes are detected in the plasma of colonized mice, carrying potentially immunomodulatory metabolites into the …

An International Perspective On Geography Curricula: Paving A Way Forward For Geographical Thinking, Tomáš Bendl, Hilde Storrøsæter, Lene Møller Madsen, David Trokšiar, Raphaële De La Martinière, Shanshan Liu, Sizakele Serame, Jerry T. Mitchell, Péter Bagoly-Simó, Yushan Duan, Gillian Kidman

Faculty Publications

Geographical thinking is a cornerstone of modern geography education. Despite its universal value, no large-scale international study has systematically examined its integration into diverse curricular documents. This study investigates how geographical thinking is embedded in the curricula of nine countries, focusing on content and procedural dimensions. Using a structured analytical framework, the research reveals significant patterns and gaps, particularly the underrepresentation of place as a central concept, the lack of explicit focus on geographical thinking, and the limited emphasis on its procedural dimension. The findings emphasise the need for stronger interconnections between these dimensions to promote a more comprehensive approach …

Student Use Of Public Access Computers In The Library: A 10-Year Comparison Study, Holt Zaugg

Faculty Publications

Why did you do this activity, project, or research?

In 2014, across the BYU campus, the use of student-accessible public computer labs was declining. At this time, the library was not experiencing this decline; rather, public computer use in the library was increasing. Ten years later, we re-administered a similar survey in the same manner to determine what, if any, changes occurred.

How did you do this?

Initially (2014), we used a pop-up survey to help determine similarities and differences. When students logged on to a library computer, an invitation to participate in the survey popped up with the option …

New Definitions Of Library Use: Experimentation, Discovery, And Creation (Edc) Within A Library, Holt Zaugg

Faculty Publications

Why did you do this activity, project, or research?

Over the last decade, libraries have shifted from being primarily repositories for information and resources to active learning centers. Physical resources (e.g., books, journals, manuscripts) have moved to online access. Librarian roles have adjusted how they help patrons find and access resources in their local library and beyond, resulting in impactful input on research, learning, and scholarly endeavors. Additionally, due to a reduced need for storing materials, libraries have developed collaborative and innovative spaces to meet patrons’ needs. These spaces include group study rooms, experiential studios, makerspaces, green rooms, and podcast …

Shedding Light On Inequities Of Power Outages Through Data Transparency, Kelly A. Stevens, Sanam K. Aksha, Mohammed Siddiqur Rahman, Elizabeth Trader, Herbert Longenecker, Rebecca Entress

Faculty Publications

In a changing climate, the electricity grid is increasingly exposed to more extreme weather that results in significant power outages. Further, lower income and racial-ethnic minority households are more likely to experience a higher frequency and duration of power outages compared to less socially vulnerable groups. The literature on the unequal impacts of power outages is a new, growing area of research that has been stymied in part due to the difficulty acquiring high spatial resolution, historical power outage data from utilities. In this Perspectives article, we review the availability of power outage data, and what can be learned from …

Shedding Light On Inequities Of Power Outages Through Data Transparency, Kelly A. Stevens, Sanam K. Aksha, Mohammad Siddiqur Rahman, Elizabeth Trader, Herbert Longenecker, Rebecca Entress, Thomas Wahl, Christopher Emrich, Kristopher O. Davis

Faculty Publications

In a changing climate, the electricity grid is increasingly exposed to more extreme weather that results in significant power outages. Further, lower income and racial-ethnic minority households are more likely to experience a higher frequency and duration of power outages compared to less socially vulnerable groups. The literature on the unequal impacts of power outages is a new, growing area of research that has been stymied in part due to the difficulty acquiring high spatial resolution, historical power outage data from utilities. In this Perspectives article, we review the availability of power outage data, and what can be learned from …

Prescribed Fire Leads A Pine Flatwoods Specialist Tree Frog To Seek Local Refugia, Ian Biazzo, Pedro F. Quintana-Ascencio

Faculty Publications

Pine savannas of the southeastern United States evolved with frequent low-intensity wildfires. Today, land managers use prescribed fires to restore this ecological process while also controlling vegetative fuel accumulation. Given the ubiquitous application of this management tool, studies should consider impacts on target and nontarget taxa in these systems. During fires, animal populations persist in the landscape when individuals emigrate to unburned areas or seek refugia within the burn zone; otherwise, they experience local extirpation. We examined the effect of prescribed fires on a pine flatwoods specialist frog, the pinewoods treefrog Dryophytes femoralis, in a frequently burned pine landscape. …

Synthpop: A New Framework For Synthetic Milky Way Population Generation, Jonas Klüter, Macy J. Huston, Abigail Aronica, Samson A. Johnson, Matthew T. Penny, Marz Newman, Farzaneh Zohrabi, Alison L. Crisp, Allison Chevis

Faculty Publications

We present SynthPop, a new open source, modular population synthesis Galactic modeling software to simulate catalogs of Milky Way stars along any sightline outward from the Sun. Motivated by a lack of flexibility in existing Galactic models, SynthPop is coded entirely in python, can be run standalone or as an imported module, and is configured by json files that allow different model components to be switched out as desired. We describe the modular code structure, how the population generation process runs, and how to use the code. We also present model validation testing and known inaccuracies and present an example …

Climatologist Mann's Defamation Suit Victory: Can It Resolve The Crisis Of Expertise, David S. Caudill

Faculty Publications

When a jury awarded one million dollars in punitive damages to climatologist Michael Mann, in his defamation suit against writer Mark Steyn (who accused Mann of scientific fraud), it was newsworthy, even surprising, because opinions regarding scientific matters are rarely actionable. And yet it was not seen as a groundbreaking event in terms of legal doctrine, since the outcome was easily justifiable— Steyn’s accusation was provably false. However, even if the Constitutional contours of defamation law did not change, the Mann verdict has far-reaching implications for a major contemporary social phenomenon, namely the so-called crisis of expertise, a term identifying …

Stomach Content And Stable Isotope Analysis Of Invasive Lionfish (Pterois Volitans) In The Florida Keys, Emily E. Shallow, Cassandra N. Glaspie, Michael J. Polito, Mitchell S. Lovell

Faculty Publications

The invasive red lionfish, Pterois volitans, plays a unique role in seagrass and reef ecosystems, where it functions as a top predator and competitor for both food and shelter. Given the ubiquitous distribution of lionfish in the Gulf of Mexico and Caribbean basins, their species provides an excellent opportunity to understand how an invasive predator's diet and primary energy pathways change as a function of size and habitat type. To investigate these patterns, we studied lionfish from a mosaic of deep reef, shallow patch reef, and seagrass bed habitats in the Florida Keys using stomach contents and stable isotope analysis …