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Full-Text Articles in Business

Evaluating The Effectiveness Of Teledermatology For Undeserved Populations During And Post-Covid-19, Jakob Gibbs, Sean Hanshaw Jan 2025

Evaluating The Effectiveness Of Teledermatology For Undeserved Populations During And Post-Covid-19, Jakob Gibbs, Sean Hanshaw

Theses, Dissertations and Capstones

Introduction: Teledermatology, a subset of telemedicine, has gained prominence as a means to increase access to dermatologic care while reducing costs and improving patient satisfaction. The swift expansion of teledermatology during the COVID-19 pandemic was driven by the necessity to limit physical contact and adapt to public health restrictions. This technological shift aimed to address longstanding disparities in dermatology access, especially in rural and underserved populations, and to respond to the rising demand for dermatologic services amid provider shortages.

Purpose of the Study: The purpose of this study was to analyze the effects that teledermatology following the COVID-19 pandemic had …


The Impacts Of Artificial Intelligence In Radiology, Misty Farmer, Wendy Trzyna Jan 2025

The Impacts Of Artificial Intelligence In Radiology, Misty Farmer, Wendy Trzyna

Theses, Dissertations and Capstones

Introduction: There has been significant growth in the use of Artificial Intelligence (AI) in the healthcare industry, especially in Medical Imaging. Radiology has been the clear frontrunner in the adoption of AI in medicine, due in part to the massive amount of digital data available for use in Deep Learning (DL) AI integration has the potential to solve multiple challenges in radiology, address workload issues and transform the field.

Purpose of the Study: The purpose of the research was to evaluate the impact of implementing Artificial Intelligence in radiology to determine if these technologies have had an impact …


Addressing The Opioid Epidemic Across The United States And In West Virginia, Kailyn Smith, Addison Hughes Jan 2025

Addressing The Opioid Epidemic Across The United States And In West Virginia, Kailyn Smith, Addison Hughes

Theses, Dissertations and Capstones

Introduction: The opioid crisis had a profound impact on public health across the United States and West Virginia, with overdose deaths reaching unprecedented levels by 2021. Traditional abstinence-only rehabilitation programs demonstrated limited success, largely due to high relapse rates and insufficient mental health support. These programs often overlooked the complex relationship between opioid addiction and co-occurring mental health disorders such as depression and anxiety, which are common among those with substance use disorders. In contrast, Medication-Assisted Treatment (MAT), when supplemented with behavioral therapies and antidepressant medications, has shown greater success in improving recovery outcomes and reducing relapse rates. This …


A Survey-Based Quantitative Analysis Of Stress Factors And Their Impacts Among Cybersecurity Professionals, Sunil Arora, John D. Hastings Jan 2025

A Survey-Based Quantitative Analysis Of Stress Factors And Their Impacts Among Cybersecurity Professionals, Sunil Arora, John D. Hastings

Research & Publications

This study investigates the prevalence and underlying causes of work-related stress and burnout among cybersecurity professionals using a quantitative survey approach guided by the Job Demands-Resources model. Analysis of responses from 50 cybersecurity practitioners reveals an alarming reality: 44% report experiencing severe work-related stress and burnout, while an additional 28% are uncertain about their condition. The demanding nature of cybersecurity roles, unrealistic expectations, and unsupportive organizational cultures emerge as primary factors fueling this crisis. Notably, 66% of respondents perceive cybersecurity jobs as more stressful than other IT positions, with 84% facing additional challenges due to the pandemic and recent high-profile …


Beyond The Screen: Assessing The Impact Of Hospitalist Reliance On Electronic Medical Records In Patient-Centered Care, Brian H. Cox Jan 2025

Beyond The Screen: Assessing The Impact Of Hospitalist Reliance On Electronic Medical Records In Patient-Centered Care, Brian H. Cox

Theses, Dissertations and Capstones

The integration of Electronic Medical Record (EMR) systems has transformed healthcare delivery, offering enhanced data accessibility, improved communication, and operational efficiency. However, concerns persist regarding the potential erosion of patient-centered care due to EMR overutilization. This study investigated how hospitalists’ use of EMR systems correlates with patient satisfaction, focusing on the dynamics of physician communication, hospital length of stay, and regional characteristics. Using a comprehensive framework combining Resource Dependency Theory and Donabedian’s Structure-Process-Outcome model, the research examines the influence of demographic, technological, and structural factors on healthcare outcomes.

The analysis, based on patient survey data from a large integrated delivery …


Systemic Challenges In Pediatric Healthcare: Exploring Reimbursement Disparities And Their Impact On Healthcare Equity, Jessica Ford-Davis, Alexandra Gillette Jan 2025

Systemic Challenges In Pediatric Healthcare: Exploring Reimbursement Disparities And Their Impact On Healthcare Equity, Jessica Ford-Davis, Alexandra Gillette

Theses, Dissertations and Capstones

Introduction: Medicare, Medicaid, and the Children’s Health Insurance Program (CHIP) have provided health coverage for over 135 million Americans, with Medicaid playing a significant role in financing pediatric healthcare. Medicaid covers a wide range of services for children, particularly those from low-income families or with special healthcare needs, including preventive care, immunizations, vision and dental services, and mental health treatments. However, Medicaid reimbursement rates are lower compared to Medicare and private insurance, in some cases 30.6% lower, and have often been insufficient to cover the full cost of care, contributing to financial losses for children's hospitals. Despite these challenges, nearly …


Magnet Hospitals And Their Impact On Patient Outcomes, Connie Cochran, Molly A. Collins Jan 2025

Magnet Hospitals And Their Impact On Patient Outcomes, Connie Cochran, Molly A. Collins

Theses, Dissertations and Capstones

Introduction: In the competitive healthcare landscape, patient safety and quality care have remained critical priorities. The Magnet Recognition Program, awarded by the American Nurses Credentialing Center (ANCC), has recognized hospitals that have demonstrated excellence in nursing and improved patient outcomes. Built on five core pillars: transformational leadership, structural empowerment, exemplary practice, innovation, and quality results, this designation has supported professional development and collaborative care. Although only about 10% of U.S. hospitals have been Magnet-designated, they have been linked to reduced hospital mortality, hospital-acquired infections (HAIs), and patient falls.

Purpose of the Study: The purpose of this research was to evaluate …


Do Patients Who Receive Dexmedetomidine As An Adjunct To Spinal Anesthesia For Cesarean Delivery Achieve Longer Block Duration Compared To Those Who Receive Spinal Anesthesia With Local Anesthetic Alone?, Liana S. Garrison Jan 2025

Do Patients Who Receive Dexmedetomidine As An Adjunct To Spinal Anesthesia For Cesarean Delivery Achieve Longer Block Duration Compared To Those Who Receive Spinal Anesthesia With Local Anesthetic Alone?, Liana S. Garrison

Theses, Dissertations and Capstones

Problem Statement: Cesarean delivery is associated with significant postoperative pain, typically managed with spinal anesthesia using a local anesthetic. While opioids are often added as adjuncts, the addition of dexmedetomidine, an alpha-2 agonist, has emerged as a potential alternative that may enhance the efficacy of the spinal block in terms of pain management, potentially improving block duration and quality compared to local anesthetic alone.

Methodology: A literature review was conducted on the use of dexmedetomidine as an adjunct to spinal anesthesia for patients undergoing cesarean sections. Databases used for the search included PubMed, CINAHL Complete, and MEDLINE. The keywords used …


Rural Hospital Closure And Medicaid Expansion, Jason White Jan 2025

Rural Hospital Closure And Medicaid Expansion, Jason White

Theses, Dissertations and Capstones

Introduction: In the United States, hospitals in rural areas have been under financial pressure and have been closing at an increasing rate.  This reduces access to care for rural citizens.  The Affordable Care Act of 2010 was passed in order to increase access to medical care, partially through an optional expansion of Medicaid coverage to a larger percentage of the population.  As some states adopted the expansion and some states did not, an opportunity was created to examine the policy’s effect on rural hospital stability.

Purpose of the Study:  This study was designed to examine the effect of …


Comparison Of The Effectiveness Of Preoperative Dexmedetomidine Nebulization Versus Lignocaine Nebulization In Attenuation Of Stress Response During Direct Laryngoscopy And Endotracheal Intubation In Elective Surgeries Under General Anaesthesia: A Randomised Control Study At A Tertiary Care Hospital, Mandya, Sumayya E., Kiran A V., Santhosh M C B., Shivakumar G Jan 2025

Comparison Of The Effectiveness Of Preoperative Dexmedetomidine Nebulization Versus Lignocaine Nebulization In Attenuation Of Stress Response During Direct Laryngoscopy And Endotracheal Intubation In Elective Surgeries Under General Anaesthesia: A Randomised Control Study At A Tertiary Care Hospital, Mandya, Sumayya E., Kiran A V., Santhosh M C B., Shivakumar G

Digital Journal of Clinical Medicine

Introduction: Direct laryngoscopy and tracheal intubation are known to provoke harmful stimuli that can lead to transient, unpredictable, and variable hemodynamic alterations, primarily due to heightened sympathoadrenal activity.1 Various pharmacological agents have been explored to mitigate this stress response; however, none have emerged as optimal.2

Aim: This study aims to compare the effects of nebulized dexmedetomidine in comparison to nebulized lignocaine on the hemodynamic stress response during direct laryngoscopy and tracheal intubation, including any adverse effects in patients undergoing general endotracheal anesthesia.

Materials and Methods: Informed consent was obtained from 60 patients aged 18 to …


Artificial Intelligence In Radiology, Olivia Sweeney Jan 2025

Artificial Intelligence In Radiology, Olivia Sweeney

Theses, Dissertations and Capstones

Introduction: Artificial intelligence (AI) has increasingly transformed radiologic practice by improving diagnostic accuracy, streamlining workflows, and reducing interpretation errors. As AI integration has expanded across imaging modalities, questions have emerged regarding its effectiveness compared to traditional radiologist-only interpretation.

Purpose of Study: The purpose of this study has been to evaluate the impact of AI-assisted radiology on diagnostic accuracy, efficiency, and error reduction, while also assessing clinician perceptions of AI as a collaborative tool in imaging analysis.

Methodology: This qualitative study has used a systematic review of peer-reviewed literature published between 2015 and 2025, following PRISMA guidelines, combined with an interview …


W.O.R.K. Towards Inclusivity In Employment, Chloe N. Tinklepaugh Jan 2025

W.O.R.K. Towards Inclusivity In Employment, Chloe N. Tinklepaugh

Entry Level Occupational Therapy Doctoral Capstone Projects Class of 2025

W.O.R.K. Towards Inclusivity in Employment was a doctoral capstone project focused on promoting sustainable employment for neurodiverse individuals. Despite their capabilities, neurodivergent individuals often face barriers to employment due to employers’ misconceptions about their abilities (Bonaccio et al., 2020). This project addressed these challenges through three main components: researching employers’ perspectives, curriculum revision, and educating employers. For research, Luzerne and Lackawanna county employers were surveyed to assess their training, resources, and perspectives on neurodiversity in the workplace. Findings indicated that employers were open to receiving more education and training on how to support their employees, but they currently lack the …


Swosu Research And Scholarly Activity Fair 2025, Swosu Office Of Sponsored Programs Jan 2025

Swosu Research And Scholarly Activity Fair 2025, Swosu Office Of Sponsored Programs

SWOSU Research and Scholarly Activity Fair Programs

On behalf of the members of the University Research and Scholarly Activity Committee (USRAC) and the Office of Sponsored Programs (OSP) at Southwestern Oklahoma State University (SWOSU) — welcome to the Thirty-Third SWOSU Research and Scholarly Activity Fair!

This year’s event features 99 poster presentations and 9 oral presentations, showcasing the work of over 170 student and faculty researchers, writers, presenters, artists, collaborators, and faculty sponsors. These presentations represent a wide array of scholarly and academic activity from across SWOSU’s academic community, including the Departments of Art, Communication, and Theatre; Allied Health Sciences; Biological Sciences; Business; Chemistry & …


Adaptation For Whom? Understanding The Impacts Of Dyke Policies On Small-Scale Farmers In Ca Mau Province Of Vietnam, Nguyen Minh Quang, Nguyen Van Minh, Nguyen Vo Chau Ngan, Martha B. Lerski Jan 2025

Adaptation For Whom? Understanding The Impacts Of Dyke Policies On Small-Scale Farmers In Ca Mau Province Of Vietnam, Nguyen Minh Quang, Nguyen Van Minh, Nguyen Vo Chau Ngan, Martha B. Lerski

Publications and Research

Low-lying deltas worldwide are extremely vulnerable to sea-level rise. As the risks of climate-induced flooding become increasingly clear, the thirst for infrastructure-driven adaptation increases. This highlights a patent need to understand the impacts of engineering adaptation solutions, especially those targeting built structures such as dykes and sluices, on farmers from a bottom-up, farmer-centred perspective. The study addresses this call by examining cases where dyke policies, while successful in some dimensions, have undermined small-scale farmer livelihoods in Ca Mau ― Vietnam’s southernmost rural province. It identifies areas in need of attention and adds empirical data related to this group of farmers. …


Identifying Intangible And Biocultural Heritage Elements Toward Environmental Understanding: Engaging Stakeholders Through Art, Martha B. Lerski Jan 2025

Identifying Intangible And Biocultural Heritage Elements Toward Environmental Understanding: Engaging Stakeholders Through Art, Martha B. Lerski

Publications and Research

Grounded in a case study in Barbuda in the Caribbean, this research examines sustainability from the perspective of what arts and heritage can contribute to community engagement and local and broader understandings about the environment. This article documents a growing body of literature recognizing the role of arts and culture, including local knowledge and traditional ecological knowledge (TEK), in climate change endeavors. Art and TEK present expansive world views. Contextual information situates research done on the island of Barbuda pre- and post-Hurricane Irma. Visual arts workshops engaged community members in mixed methods research. Results documented cultural elements, particularly intangible and …


Why Ai Monitoring Faces Resistance And What Healthcare Organizations Can Do About It: An Emotion-Based Perspective, Karl Werder, Lan Cao, Eun Hee Park, Balasubramaniam Ramesh Jan 2025

Why Ai Monitoring Faces Resistance And What Healthcare Organizations Can Do About It: An Emotion-Based Perspective, Karl Werder, Lan Cao, Eun Hee Park, Balasubramaniam Ramesh

Information Technology & Decision Sciences Faculty Publications

Continuous monitoring of patients' health facilitated by artificial intelligence (AI) has enhanced the quality of health care, that is, the ability to access effective care. However, AI monitoring often encounters resistance to adoption by decision makers. Healthcare organizations frequently assume that the resistance stems from patients' rational evaluation of the technology's costs and benefits. Recent research challenges this assumption and suggests that the resistance to AI monitoring is influenced by the emotional experiences of patients and their surrogate decision makers. We develop a framework from an emotional perspective, provide important implications for healthcare organizations, and offer recommendations to help reduce …


Understanding The Challenges And Satisfaction Among The Medical Professional Preceptors, Cornelia Ko Jan 2025

Understanding The Challenges And Satisfaction Among The Medical Professional Preceptors, Cornelia Ko

West Chester University Doctoral Projects

This study evaluates the Penn Medicine Family Medicine Clerkship program through a mixed-methods approach, exploring the challenges and factors influencing the satisfaction of medical professional preceptors when precepting students. A quantitative survey with 54 preceptor participants reveals the top challenges preceptors face: workload, conflicts with patient care, and limited clinical space. Despite this, there is strong support for the program, with 89% of preceptors enjoying the role and 85% expressing willingness to continue to precept for the next three years. Finally, data analysis shows no statistical correlation between preceptor motivation with gender, ethnicity, age group, years of serving, or total …


A Question For The Ages: The Relationship Between Nurse Staffing And Quality In Appalachian Skilled Nursing Facilities, Eric Jason Pulice Jan 2025

A Question For The Ages: The Relationship Between Nurse Staffing And Quality In Appalachian Skilled Nursing Facilities, Eric Jason Pulice

Theses, Dissertations and Capstones

Nurse staffing levels have been shown to have a critical impact on nursing quality in skilled nursing facilities (SNFs). Sociodemographic disparities in Appalachian areas have the potential to impact SNF nurse staffing levels and quality. This study examined the relationship between nurse staffing levels and quality in Appalachian SNFs, as well as compliance with the Biden Administration’s minimum staffing mandates as set forth in CMS-3442-F enacted on June 24, 2024.

The study applied Resource Dependency Theory (RDT) through Donabedian’s Structure-Process-Outcome (SPO) conceptual framework to assess how external resource constraints and regulatory policies impact nurse staffing levels and quality in Appalachian …


Healthcare Consolidation: Effects On Corporate And Private Healthcare Facilities, Kaydence N. Mcdonald Jan 2025

Healthcare Consolidation: Effects On Corporate And Private Healthcare Facilities, Kaydence N. Mcdonald

Undergraduate Honors Theses

In this thesis paper the concept of healthcare consolidation is discussed. The distinctions between small and large healthcare organizations’ structures and functions are explained first. Knowing the distinction between how the different sized healthcare organization’s function will give a better understanding to how consolidation occurs in the facilities. The benefits and challenges that small and large healthcare organizations offer is discussed next. After setting an understanding of the differences in healthcare organizations based on size this paper gives a definition of consolidation, and the forms used in healthcare organizations. It discusses vertical, horizontal consolidation, mergers, and acquisitions. Then the paper …


Marketing The Message: Maximizing Engagement With Digital Publications Through Social Media, Email, And Analytics, Rich Evans Jan 2025

Marketing The Message: Maximizing Engagement With Digital Publications Through Social Media, Email, And Analytics, Rich Evans

AADEJ - The Communicator

This article outlines a strategic approach for professional associations to enhance engagement with their digital publications in today's digital-first environment. Drawing from the Michigan Dental Association (MDA)'s transition to a fully digital Journal, it emphasizes the vital role of marketing and analytics. Key recommendations include leveraging social media for strategic visibility (e.g., summarizing articles, tagging authors, video pitches), implementing direct email delivery to members (e.g., monthly digests, audience segmentation), and ensuring easy website integration for accessible content. The piece also stresses the importance of mobile-responsive design, clear formatting, and multimedia embedding to improve the digital reading experience. It suggests evaluating …


Multimodal Wearable Intelligence For Dementia Care In Healthcare 4.0: A Survey, Po Yang, Gaoshan Bi, Jun Qi, Xulong Wang, Yun Yang, Li Da Xu Jan 2025

Multimodal Wearable Intelligence For Dementia Care In Healthcare 4.0: A Survey, Po Yang, Gaoshan Bi, Jun Qi, Xulong Wang, Yun Yang, Li Da Xu

Information Technology & Decision Sciences Faculty Publications

As a new revolution of Ubiquitous Computing and Internet of Things, multimodal wearable intelligence technique is rapidly becoming a new research topic in both academic and industrial fields. Owning to the rapid spread of wearable and mobile devices, this technique is evolving healthcare from traditional hub-based systems to more personalised healthcare systems. This trend is well-aligned with recent "Healthcare 4.0" which is a continuous process of transforming the entire healthcare value chain to be preventive, precise, predictive and personalised, with significant benefits to elder care. But empowering the utility of multimodal wearable intelligence technique for elderly care like people with …


The Relationship Between Mental Health Disclosures, Employee Sentiments And Turnover Intention In The Workplace, Steve G. Winkel Jan 2025

The Relationship Between Mental Health Disclosures, Employee Sentiments And Turnover Intention In The Workplace, Steve G. Winkel

Open Access Dissertations

Purpose. The purpose of this study is to examine the relationship between employees’ disclosure of mental health conditions in the workplace and these employees’ sentiments, feelings, and associated outcomes. Utilizing constructs of job satisfaction, affective commitment, normative commitment, motivation, and turnover intentions, the research aims to understand quantifiable differences in the employment experience between employees who disclose and do not disclose (non-disclosure) mental health conditions, as well as the mediating roles of human resources management (HRM), supervisors support, and employee authenticity. Through self-reported data detailing employees’ disclosure experiences, the research also aims to understand the disclosure conversation's specific impact …


Confronting Indecision, Lane Allison Murray Jan 2025

Confronting Indecision, Lane Allison Murray

ENGS 15.11: Design and Education

This course aims to increase students' understanding of indecision and how to confront it. The class provides insight into how the fear of the unknown holds people back from making decisions and about understanding one's values as a means to combat indecision. Students and teachers alike explore instances of indecision and evaluate their own impulses & thought processes by reflecting on the deeper reasons for their choices. Students will increase their comfort level of asking themselves and their peers questions about the values that guide them and, in doing so, strengthen their relationships with themselves and others.


J Mich Dent Assoc January 2025 Jan 2025

J Mich Dent Assoc January 2025

The Journal of the Michigan Dental Association

Each month, the Journal of the Michigan Dental Association provides news, information, and features about Michigan dentistry to our state's oral health community and the MDA's 6,200+ members. It is the primary publication reaching Michigan dentists. The January issue sets the tone for February, the observance of Children’s Dental Health Month.

Michigan Academy of Pediatric Dentistry President Jessica Bentoski welcomes readers to this special issue, which features a cover feature on “Approaches to Care for Children with Special Needs in Dental Settings: Desensitization and Teledentistry” and a supporting article on “General Dentists’ Education, Knowledge, Attitudes, and Behavior Concerning the Effects …


Dentistry And The Law: The Difference Between ‘Non-Covered’ Vs. ‘Disallowed’ Services, Daniel Schulte Jd Jan 2025

Dentistry And The Law: The Difference Between ‘Non-Covered’ Vs. ‘Disallowed’ Services, Daniel Schulte Jd

The Journal of the Michigan Dental Association

The article clarifies the distinction between "non-covered" and "disallowed" services in dental plan audits. Non-covered services are not included in the patient’s dental plan, often due to plan limitations, while disallowed services are covered but deemed non-payable due to issues like claim deficiencies or lack of documentation. Dentists must review their contracts to understand obligations regarding non-covered services and ensure compliance with HIPAA for patient-paid services. For disallowed services, contesting decisions may be possible depending on the agreement with the dental plan.


Staff Matters: Why Are Our Employees Leaving? And How Do We Keep Them?, Jodi Schafer Sphr, Shrm-Scp Jan 2025

Staff Matters: Why Are Our Employees Leaving? And How Do We Keep Them?, Jodi Schafer Sphr, Shrm-Scp

The Journal of the Michigan Dental Association

The article addresses the challenges of staff attrition in dental practices, emphasizing its costly impact and the need to understand its causes. Common reasons for attrition include low compensation, high workloads, poor management practices, and lack of career development opportunities. Solutions involve gathering feedback through exit interviews, improving salaries and benefits, balancing workloads, enhancing management styles, and offering career growth. Proactive measures can help retain staff and create a stable, supportive work environment.


Effects Of Round-Up On The Environment, Sandra J. Marcu Jan 2025

Effects Of Round-Up On The Environment, Sandra J. Marcu

Journal of Earth and Life Science

Many people around the world have used and still currently use Roundup but are unaware of the effects it has on the environment. Roundup is a spray on application weedkiller that is widely used around the world today both residentially and commercially. It enables its user to grow a garden or a field of crops with a no-tilling approach to eliminate weeds. It is a well-known and popular choice for killing weeds that has been around since the mid 1970’s (Oca, 2017). John Franz, a Monsanto scientist discovered that glyphosate (main ingredient in Roundup) was an herbicide or weedkiller, and …


Salary Negotiation Dynamics For Athletic Trainers: Insights From Employers On Expectations And Organizational Influences, Julie M. Cavallario, Forrest Andrews, Kendallyn Johnson, Katherine Schalk, Cailee E. Welch Bacon Jan 2025

Salary Negotiation Dynamics For Athletic Trainers: Insights From Employers On Expectations And Organizational Influences, Julie M. Cavallario, Forrest Andrews, Kendallyn Johnson, Katherine Schalk, Cailee E. Welch Bacon

Rehabilitation Sciences Faculty Publications

Context

While researchers have previously identified that most athletic trainers (ATs) do not negotiate their salary, little is known about employers' expectations and behaviors relative to establishing and negotiating salaries for the ATs they hire.

Objective

To examine employers' expectations and behaviors regarding AT salary negotiation.

Design

Cross-sectional.

Setting

Web-based survey.

Patients or other participants

413 employers who are in a role that requires them to negotiate salary offers with prospective AT employees and who have minimally hired one AT into the organization they work for accessed the survey from a random sample of 7,000 ATs (6% access rate); 324 …


Risk And Crisis Communication Research In Singapore, Augustine Pang, Jerena Ng, Jason Shi-Yang Lim Jan 2025

Risk And Crisis Communication Research In Singapore, Augustine Pang, Jerena Ng, Jason Shi-Yang Lim

Research Collection Lee Kong Chian School Of Business

This chapter aims to capture the latest insights on the state of risk and crisis communication research in Singapore, examined through the theoretical lens posited by Situational Crisis Communication Theory (SCCT) (Coombs, 2023). This chapter is divided into three sections: the first, consolidates risk and crisis communication research studies, the second examines the state of research, and the third offers a case study on the research conducted. Last but not least, we offer some suggestions on how research can grow. It is hoped that this chapter can offer a comprehensive view of risk and crisis communication research in Singapore and …


Modeling Ion-Specific Effects In Polyelectrolyte Brushes: A Modified Poisson-Nernst-Planck Model, William J. Ceely, Marina Chugunova, Ali Nadim, James D. Sterling Jan 2025

Modeling Ion-Specific Effects In Polyelectrolyte Brushes: A Modified Poisson-Nernst-Planck Model, William J. Ceely, Marina Chugunova, Ali Nadim, James D. Sterling

Business and Information Technology Faculty Research & Creative Works

Polyelectrolyte brushes consist of a set of charged linear macromolecules, each tethered at one end to a surface. An example is the glycocalyx which refers to hair-like negatively charged sugar molecules that coat the outside membrane of all cells. We consider the transport and equilibrium distribution of ions and the resulting electrical potential when such a brush is immersed in a salt buffer containing monovalent cations (sodium and/or potassium). The Gouy-Chapman model for ion screening at a charged surface captures the effects of the Coulombic force that drives ion electrophoresis and diffusion but neglects non-Coulombic forces and ion pairing. By …