Digital Commons Network^™

Main-Chain Ion-Pair Polybenzimidazole Membranes Enabling Reduced-Temperature Ht-Pemfc Operation (Down To 120°C), Huina Lin, Brian C. Benicewicz

Faculty Publications

Proton exchange membrane (PEM) fuel cells are promising for clean and efficient energy conversion across diverse applications. High-temperature PEM fuel cells (HT-PEMFCs) using phosphoric acid (PA)-doped polybenzimidazole (PBI) can operate up to 200°C, but at lower temperatures, water-induced PA loss often leads to performance degradation and reduced durability. In this work, we present a new class of main-chain ion-pair PBI membranes by integrating the imidazolium-biphosphate ion-pair units directly into the PBI backbone. This design results in membranes with high acid content, stronger acid-polymer interactions and stabilized acid retention. In single-cell tests, the Im⁺-PBI15-3 wt.% exhibits peak power densities …

March 4, 2026 Faculty Senate Minutes, University Of South Carolina

Faculty Senate

No abstract provided.

Cognitive And Emotional Conflict Control Among Children Affected By Parental Hiv/Aids In China, Huihui Wang, Juan Liu, Danfeng Wen, Wan Zhao, Xiaoming Li Ph.D., Junfeng Zhao

Faculty Publications

Background: Children affected by parental HIV/AIDS constitute a particularly vulnerable population, often facing heightened risks in psychosocial adaptation due to family disruption, social stigma, and resource deprivation. However, the characteristics of their executive functions, particularly the core component of conflict monitoring, remain unclear.

Methods: The present study compared the performance of children affected by parental HIV/AIDS (n=32) to a control group (n=32) on a cognitive conflict and emotional conflict face-word Stroop task.

Results: The results of the cognitive Stroop task demonstrated that both groups showed better performance in congruent stimuli compared to incongruent stimuli (86.20% vs.67.30%; 568.43ms vs.586.04ms). In the …

Impediments To Transforming The Healthcare Delivery System: Shifting The Paradigm From Provider Centric To Patient Centric, Elizabeth A. Regan, Manasa Devi Chinta

Faculty Publications

Introduction: 

Stated aims for digital healthcare transformation frequently cite goals for better coordinated patient-centric systems. However, despite advances in medical science, digital technologies, health policies, and billions of dollars invested over the past 25 years, most healthcare providers are far from fully realizing the demonstrated benefits of today's digital technologies for improving patient care. Sharing information across healthcare systems remains challenging. Problems with fragmentation, quality, inequities, and rising costs of care delivery persist. A recent study of 1,026 U.S. hospital systems found that only 15.8 percent achieved a digital maturity level needed to provide digitally enabled healthcare services to better …

Korean Words In The Oed: Race, Gender, And The Modern English Speaker, Elaine W. Chun

Faculty Publications

This article examines representations of the Modern English Speaker of Korean (MESK) in the Oxford English Dictionary (OED), as lexicographers listened to and documented the language of this figure over the past century. I show that, until the early twenty-first century, the most salient type of MESK was the Koreanist, a white, masculine expert on and translator of Korean, the language of a racial other. By contrast, more recent Korean entries, influenced by the global spread of hallyu, have invoked the Korea Fan, a figure that potentially unsettles longstanding ideologies of language, race, and gender. I …

Hybrid Cnn–Gru-Based Demand–Supply Forecasting To Enhance Sustainability In Renewable-Integrated Smart Grids, Süleyman Emre Eyimaya, Necmi Altin

Faculty Publications

The rapid integration of renewable energy sources in smart grids has introduced significant uncertainty in both power generation and consumption patterns, posing challenges to environmental, economic, and operational sustainability. Accurate short-term forecasting of energy demand and supply is essential for achieving optimal scheduling, grid stability, and resilient operation in renewable-integrated power systems. This study proposes a hybrid deep learning framework combining Convolutional Neural Networks (CNN) and Gated Recurrent Units (GRU) for intelligent joint demand–supply forecasting in smart grids. The model was developed and implemented in MATLAB using real-world datasets comprising electricity consumption, photovoltaic (PV) generation, temperature, and irradiance variables. Comparative …

Building Buy-In For Student Support Teams: Lessons From Givhans To Carolina Springs, Patrice Green

South Carolina Association for Middle Level Education Journal

This article examines strategies for cultivating staff buy-in and sustaining effective Student Support Teams (SSTs) within a Multi-Tiered System of Supports (MTSS) framework at the middle school level. Drawing from the author’s personal experiences of overcoming adversity and his leadership journey from rural Givhans, South Carolina, to serving as principal of Carolina Springs Middle School, the narrative highlights the critical role of intentional, data- driven interventions in promoting equitable student outcomes. The discussion emphasizes the necessity of proactive identification, individualized support, and collaborative problem-solving among educators. Common implementation challenges—such as staff resistance, initiative fatigue, and inconsistent follow-through—are addressed through actionable …

Impact Of Suaahara, An At-Scale Multisectoral Nutrition Programme, On Health Workers’ Maternal And Child Health, And Nutrition Knowledge And Skills In Nepal, Deependra K. Thapa, Edward A. Frongillo Jr. Ph.D., Shalini Suresh, Ramesh P. Adhikari, Bhim Pun, Karuna L. Shakya, Raj Mandal, Subir K. Kole, Kenda Cunningham

Faculty Publications

Suaahara, an at-scale multisectoral nutrition programme in Nepal, aimed to advance knowledge and skills of frontline health workers to improve the quality of nutrition and health services at health facility and community levels. This study assessed the impact of Suaahara interventions on knowledge and skills of health facility workers and Female Community Health Volunteers (FCHVs). The study used a quasi-experimental design in which four Suaahara intervention districts were compared with pair-matched comparison districts. One health facility worker and three FCHVs from each survey cluster were included. Baseline survey consisted of 93 health facility workers (2015) and 118 FCHVs (2012), and …

Moving Forward: Teachers Managing Challenges And Change, Victoria A. Oglan, Lauren Gehr

South Carolina Association for Middle Level Education Journal

Teaching requires adapting to ongoing changes in pedagogy and technology, a reality intensified by the COVID-19 pandemic. This article situates pandemic-era instructional shifts within a broader history of educational change and reviews contemporary professional texts addressing technology integration, artificial intelligence, literacy instruction, teacher clarity, and deep learning.

Middle School Magic: Building Belonging And Brain-Aligned Classrooms, Christopher S. Culver, Katie Kinder

South Carolina Association for Middle Level Education Journal

Middle school represents a critical developmental period when belonging, identity, and emotional regulation converge to shape academic and social outcomes. This article explores how belonging and brain-aligned kindness transform classroom culture through connection, collaboration, compassion, and the Science of Kindness. Drawing from recent neuroscience, educational psychology, and classroom practice, the authors demonstrate how these principles activate neural pathways of safety, motivation, and empathy that enhance learning and well- being. Integrating research with actionable classroom strategies, this article illustrates how small, consistent acts of care, such as greeting students by name, fostering collaborative learning, building relationships in trust, and practicing restorative …

Scamle Journal 2026 Full Volume

South Carolina Association for Middle Level Education Journal

No abstract provided.

Exposure To Suaahara Ii Interventions And Knowledge Of Maternal And Child Nutrition And Health Among Mothers, Grandmothers, And Male Household Heads: An Association Study In Nepal, Shalini Suresh, Edward A. Frongillo Jr. Ph.D., Deependra K. Thapa, Ramesh P. Adhikari, Subir K. Kole, Femila Sapkota, Manisha Laxmi Shrestha, Kristine Garn, Pooja Rana Pandey, Indra Kshetri, Dipak Sharma, Kenda Cunningham

Faculty Publications

Suaahara was a USAID-funded multi-sectoral integrated nutrition program that aimed to improve the nutritional status of children under the age of five and their mothers in Nepal. The program included multiple interventions targeted to mothers and children, as well as other caregivers. Caregiver knowledge of optimal nutrition and health practices among household members is an important driver of healthy child and maternal nutrition behaviors. This study investigates the associations between exposure to Suaahara interventions and knowledge of maternal and child nutrition and health practices among mothers (n =, grandmothers (n =, and male household heads (n =. Linear and logistic …

Demography And Dispersal Influence The Relationship Between Habitat Suitability And Population Density, Cleber Ten Caten, Tad Dallas

Faculty Publications

A central goal of ecology is to understand spatial patterns of species densities. Habitat suitability estimates from species distribution models (SDMs) could be used to represent species density and overcome the scarcity of density data. However, there is mixed evidence that habitat suitability is a reliable descriptor of density, and it is suggested that local dynamics affect the relationship between habitat suitability and density. We simulated population dynamics for 200 virtual species considering different combinations of factors (demographic stochasticity, dispersal, and intraspecific competition) that affect population sizes and SDMs were trained using different sets of environmental predictors to evaluate when …

Using The Misinformation Exposure-Trust Framework For Audience Segmentation: Predicting Covid-19 Vaccine Hesitancy Among U.S., Jing Zeng, Jinxu Li, Nan Yu, Xi Cui, Anli Xiao Ph.D.

Faculty Publications

This study examines whether individuals’ exposure to and trust in COVID-19 vaccine misinformation can be used to segment audiences and explain variations in vaccine hesitancy and health beliefs. Using k-means clustering, a survey of 819 U.S. college students (March–May 2021) identifies four subgroups based on combinations of high or low misinformation exposure and trust: misinformation-shielded (low exposure, low trust), misinformation-vulnerable (low exposure, high trust), misinformation-resistant (high exposure, low trust), and misinformation-accepting (high exposure, high trust). These subgroups differ significantly in political ideology, vaccine hesitancy, and health beliefs. The misinformation-shielded subgroup reports more liberal views, lower hesitancy, and higher perceived efficacy, …

Effect Of Hdl Disk And Ldl Dimer Presence On Lipoprotein Particle Number Determination And Subclassification, Zsuzsanna Kuklenyik, Anna A. Ivanova, Lauren E. Drinkard, David M. Schieltz, Jeffrey I. Jones, Kevin Bierbaum, Christopher A. Toth, Michael S. Gardner, Bryan A. Parks, Michael Andrews, Jennifer D. Kusovschi, Jack A. Sultan, Antony Lehtikoski, Jon C. Rees, Wanda I. Santana, Victoria Connor, Eric Leszynski, Robert W. Mcgarrah Iii, Mark A. Sarzynski Facsm, William E. Kraus, John R. Barr

Faculty Publications

High-density and low-density lipoproteins (HDL and LDL) are established analytical targets for diagnosis and risk stratification of numerous chronic diseases. This study investigates potential sources of bias in lipoprotein particle counting (HDL-P and LDL-P), focusing on the most atheroprotective small-HDL and most pro-atherogenic small-LDL. Plasma samples were fractionated using asymmetric-flow field-flow fractionation (AF4), coupled with hydrodynamic size measurement and comprehensive liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis of each fraction. Concentration-size profiles were deconvoluted into 10 HDL and 8 LDL Gaussian subspecies. Molecular volume ratios were used to evaluate proposed particle models, providing evidence for the presence of s-HDL disk and …

Examining The Impact Of Young Children’S Motor Development On Inhibitory Control And Social Skills, Ali S. Brian, Shea E. Ferguson, Angie Starrett, Emily Kallis, J. Ross Ramsey

Faculty Publications

Background/Objectives: Understanding how motor and cognitive development may contribute to prosocial behavior is essential for supporting whole-child development in early learning settings. Early childhood education settings are well-positioned to address these concerns through integrated approaches that support the whole child. Research exploring the mechanisms that link developmental domains remains limited, especially regarding how motor development may influence social outcomes through cognitive processes such as inhibitory control. Thus, the purpose of this study was to examine whether gains in motor skills were associated with prosocial behaviors indirectly through improvements in inhibitory control. Methods: Preschoolers (N = 238; Mage = 66.61, SD …

Examining The Impact Of Young Children’S Motor Development On Inhibitory Control And Social Skills, Ali S. Brian Ph.D., Shea E. Ferguson, Angie Starrett Ph.D., Emily Kallis, J. Ross Ramsey

Faculty Publications

Background/Objectives: Understanding how motor and cognitive development may contribute to prosocial behavior is essential for supporting whole-child development in early learning settings. Early childhood education settings are well-positioned to address these concerns through integrated approaches that support the whole child. Research exploring the mechanisms that link developmental domains remains limited, especially regarding how motor development may influence social outcomes through cognitive processes such as inhibitory control. Thus, the purpose of this study was to examine whether gains in motor skills were associated with prosocial behaviors indirectly through improvements in inhibitory control. Methods: Preschoolers (N = 238; Mage = 66.61, SD …

The Effect Of St. John’S Wort Solution On Climbing Activity Reflecting Depressive-Like Behavior In Drosophila Melanogaster To Model Seasonal Depression In Low Sunlight Exposure, Madison Simon

Journal of the South Carolina Academy of Science

Although depression is a known substantial threat to public health, seasonal affective disorder (SAD) is under-researched. SAD refers to recurrent seasonal patterns of depression. This depressive disorder has few accepted treatments. The purpose of this study was to test whether St. John’s Wort (SJW), a natural supplement with researched antidepressant properties, could be a cheaper alternative with fewer limitations for treating SAD. SJW’s efficacy as a seasonal depression inhibitor was tested through a Drosophila depression-like model using climbing activity to reflect depressive behavior. It was hypothesized that as the concentration of SJW solution increases, the climbing activity of stressed Drosophila …

Evaluation Of The Consistency Of A Speech Verification System With Human Raters In Early Literacy Screening Assessments, Yaacov Petscher, Jennifer O'Sullivan, Hugh W. Catts, Ashley Edwards, Lisa Fitton Ph.D., Ccc-Slp

Faculty Publications

This study investigates the use of a speech verification system (SVS) technology, a form of automatic speech recognition (ASR), in the assessment of children's reading skills. Despite the growing integration of ASR systems in educational assessment, significant challenges persist, particularly due to the acoustic, pronunciation and dialectal variability inherent in children's speech. Our research evaluated the consistency between human rater (HR) and speech verification system (SVS) scores produced from SoapBox Labs across three linguistic tasks—phoneme blending, expressive vocabulary and word reading. Results reveal variability in agreement rates, with SVS showing lower consistency with human raters in phonologically complex tasks like …

Evaluation Of The Consistency Of A Speech Verification System With Human Raters In Early Literacy Screening Assessments, Yaacov Petscher, Jennifer O'Sullivan, Hugh W. Catts, Ashley Edwards, Lisa Fitton Ph.D., Ccc-Slp

Faculty Publications

This study investigates the use of a speech verification system (SVS) technology, a form of automatic speech recognition (ASR), in the assessment of children's reading skills. Despite the growing integration of ASR systems in educational assessment, significant challenges persist, particularly due to the acoustic, pronunciation and dialectal variability inherent in children's speech. Our research evaluated the consistency between human rater (HR) and speech verification system (SVS) scores produced from SoapBox Labs across three linguistic tasks—phoneme blending, expressive vocabulary and word reading. Results reveal variability in agreement rates, with SVS showing lower consistency with human raters in phonologically complex tasks like …

International Society Of Sports Nutrition Position Stand: Effects Of Dietary Antioxidants On Exercise And Sports Performance, Drew E. Gonzalez, Broderick L. Dickerson, Brandon M. Roberts, Jennifer A. Kurtz, Adam M. Gonzalez, Matthew J. Mcallister, Jeffrey L. Heileson, Richard J. Bloomer, Shawn M. Arent, Darren G. Candow, Jeffrey R. Stout, Karen A. Hecht, Bill Campbell, Chad M. Kerksick, Douglas Kalman, Jose Antoino, Richard B. Kreider

Faculty Publications

Following a comprehensive review, the International Society of Sports Nutrition (ISSN) has developed an official position on the role of dietary antioxidants in exercise and sport. Antioxidants play a complex, context-dependent role in vivo; they can facilitate recovery from exercise but may also hinder training adaptations when consumed at supraphysiological doses. While endogenous antioxidant systems can effectively maintain redox balance, dietary sources, particularly whole foods, can help mitigate excessive oxidative stress following intense/heavy training or inadequate recovery. The influence of dietary antioxidants depend on timing, dosage, type, and individual factors. The ISSN’s official position encompasses the following: (1) Redox balance …

On-Orbit Correction Of Ecostress Radiances By Comparison With Iasi Hyperspectral Sounders, David S. Wethey, Sarah A. Woodin, Jorge Vazquez-Cuervo

Faculty Publications

Radiance data from ECOSTRESS (ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station), which is the first of a planned virtual constellation of wide-swath ultra-high-resolution thermal satellites, were used to test the concept of on-orbit cross-calibration based on the Global Space-based Inter-Calibration System (GSICS) with the Infrared Atmospheric Sounding Interferometer (IASI) as the reference. Validation of the results was performed using comparisons of corrected ECOSTRESS radiances with strictly independent data from IASI and the Cross-Track Infrared Sounder (CrIS) and with RTTOV radiative transfer simulations of clear-sky observations in iQuam (the NOAA in situ sea surface temperature quality monitor database). ECOSTRESS has …

Artemisinin Partial Resistance Mutations In Zanzibar And Tanzania Suggest Regional Spread And African Origins, 2023, Sean V. Connelly, Julia G. Muller, Mohamed Ali, Billy E. Ngasala, Wahida Hassan, Bakari Mohamed, Kyaw L. Thwai, Jacob M. Sadler, Jacob Marglous, Abebe A. Fola, Abdallah Zacharia, Shija J. Shija, Safia Mohammed, Dominick C. Msolo, Hamza Said, Editruda E. Peter, Melic Odas, Isaack J. Rutha, Mwanaidi Nwange, Karamoko Naire, Shazia Ruybal-Pesántez, Robert Verity, Rebecca Crudale, Varun Goel, Barbara B. Choloi, Anders Björkman, Jeffrey A. Bailey, Jessica T. Lin, Jonathan J. Juliano

Faculty Publications

Artemisinin partial resistance, driven by Plasmodium falciparum K13 mutations, threatens malaria control. Zanzibar is vulnerable to artemisinin partial resistance spread but lacks recent molecular surveillance. We sequenced samples in Zanzibar and mainland Tanzania collected from 2022 to 2024. K13 mutations were found in 2 of 1440 participants (P441L, A675V) in Zanzibar and 6 of 3762 (R561H, P441L) in mainland Tanzania. Based on whole genome sequencing data, K13 mutations appear to be of African origin with regional spread. Frequent parasite importation appears to maintain partner drug mutation frequencies similar to the mainland, where artemether-lumefantrine selects for mutations favoring artesunate-amodiaquine sensitivity. Ongoing …

Intravascular Ultrasound Is More Accurate Than Angiography In Arteriovenous Vascular Access Lesions, James W. Decker, Dima Banihani, Curtis Honshideler, Saran Lotfollahzadeh, David Jasen Wu Wong, Alik Farber, Jeffrey J. Siracuse, Najia Idrees, Laura Dember, Mohammad Bader, Suvranu Ganguli, Vijaya Kolachalama, Tarek Shazly

Faculty Publications

Background:

Conventional angiography remains the standard diagnostic modality for arteriovenous (AV) access dysfunction in hemodialysis patients, but its geometric accuracy is limited. Intravascular ultrasound (IVUS) offers superior lesion detection, yet its absolute measurement accuracy remains uncertain. Using three-dimensional (3D) printed vascular conduits as reference standards, we assessed the accuracy of IVUS versus angiography, hypothesizing that complex conduit geometry, quantified by Gaussian curvature, would exacerbate angiographic error.

Methods

Clinically relevant AV access geometries were modeled with computer-aided design (CAD) and fabricated using 3D printing. Lumen diameters were measured by contrast angiography and IVUS and compared with CAD dimensions. Conduit geometry was …

Us Federal Budgets And Federal Employee Job Satisfaction, Nathan Favero, Carla Flink, Tingli Qu

Faculty Publications

Researchers have long studied how organizational budgets relate to performance, but how do employees themselves experience the effects of budgetary decisions? Given widespread attention to political dysfunction in US federal budgeting, conventional wisdom holds that employees are negatively affected by budgetary uncertainty (volatility, delays, and stop-gap measures). We test how budget size and uncertainty are associated with US federal employee attitudes using survey and archival data from 2005 to 2020. Results provide some evidence that employee job satisfaction improves with enhanced funds, but there is little to no support for the notion that budgetary uncertainty influences federal employees' job satisfaction.

Equal Chances Or Fewer Victims? Moral Judgments In Autonomous Vehicle Dilemmas, Alexander Matros, Eren Bilen, Leonid Matros

Faculty Publications

We examine the moral dilemma of how autonomous vehicles (AVs) should be programmed to act in unavoidable crash scenarios involving trade-offs between saving one life and saving many. We report results from three experimental studies that investigate individuals’ preferences over alternative AV decision rules in stylized crash scenarios. Across designs, we find robust support for a probabilistic decision rule that assigns passengers and pedestrians equal ex ante chances of survival (a 50:50 rule). This preference persists across different framings and remains salient even when additional probabilistic options are introduced.

February 4, 2026 Faculty Senate Minutes, University Of South Carolina

Faculty Senate

No abstract provided.

Cost-Effectiveness Of Pregabalin, Duloxetine, And Milnacipran Vs Amitriptyline For Moderate To Severe Fibromyalgia, Sarah S. Downen, Hussein M. Farag, Abby Davis, Chijioke M. Okeke, Kenechukwu C. Ben-Umeh, Ismaeel Yunusa Ph.D., Tewodros Eguale

Faculty Publications

Importance

Fibromyalgia (FM) is a chronic pain condition associated with substantial quality-of-life impairments and economic burden. Although multiple pharmacologic options are recommended in clinical guidelines, the relative cost-effectiveness of off-label amitriptyline compared with FDA-approved treatments remains poorly defined due to a scarcity of direct economic comparisons and the use of heterogenous outcome measures in the extant literature.

Objective

To evaluate the cost-effectiveness of pregabalin, duloxetine, and milnacipran compared with amitriptyline in adults with moderate to severe FM.

Design, Setting, and Participants

Decision analytical model using a Markov cohort state transition model to estimate lifetime costs and quality-adjusted life-years (QALYs) for …

Nanomedicine Meets Immunotherapy: Transforming Chimeric Antigen Receptor T Cell Treatment For Solid Tumors, Stephen O'Rourke, Nuo Xu, Hongjun Wang, Hexin Chen

Faculty Publications

The emergence of effective immunotherapies has drastically revolutionized clinical management of many cancer types. Among them, chimeric antigen receptor (CAR)-T cell therapy (CTT), as a groundbreaking approach, has been considered as a “living drug,” displaying unprecedented clinical outcomes with hematological malignancies, including B cell leukemia and lymphomas, and multiple myeloma. Despite the high remission rates and improved survival achieved with hematological cancers, the effectiveness of CTT in solid tumors remains largely unsatisfactory. The efficacy of CTT in solid tumors is significantly challenged by multiple factors, including tumor-antigen heterogeneity, limited T cell trafficking and infiltration, a highly immunosuppressive tumor microenvironment, and …

Impact Of Iron-Bearing Fillers On The Mechanical Strength And Chemical Stability Of Magnesium Potassium Phosphate Matrices Incorporating Rhenium, Sergey Sayenko, Volodymyr Shkuropatenko, Hans Conrad Zur Loye, Petr Vecernik, Monika Kiselova, Vlastislav Kašpar, Vlastimil Miller, Petr Bezdicka, Jan Šubrt, Petra Ecorchard, Natalija Murafa, Iva Milisavljevic, Scott T. Misture

Faculty Publications

We report on the study of the immobilization process of non-radioactive rhenium (Re), a chemical analogue of technetium-99 (⁹⁹Tc), in compounds based on magnesium potassium phosphate (MKP), as well as the possibility of enhancing their properties with iron-bearing additives/fillers. Powdered Re2O7 was used as the initial Re-containing source. Because of the solubility and high leachability of Tc (VII), which is also volatile at high temperatures, its immobilization for long-term storage and disposal poses a serious challenge to researchers. Taking this into account, low-temperature stabilization technology based on MKP, a cementitious material, is currently considered promising. We prepared experimental …