Digital Commons Network^™

Bioremediation Of Effluent Water In A Coal Ash Disposal Area: Optimizing Microbial Sulfate Reduction, Ryka Shea

Electronic Theses and Dissertations

Coal combustion residues (CCR) pose a serious environmental threat, even long after they are disposed of in specialized landfills, due to their complex composition and potential for leaching into waterways. This study focuses on the issue of elevated sulfate concentrations at the Martin Lake Steam Electric Station (MLSES) A-I Disposal Area in Panola County, Texas, where CCR are disposed of in a permanent landfill. Currently, this site is exceeding its regulatory limit of sulfate concentrations in its effluent and is in need of a cost-effective and sustainable solution to this problem. This research utilized benchtop experiments to investigate sulfate reducing …

Establishment Of Structure-Property-Processing Relationships For Design Of Sprayable Hydrogels And Amyloid/Peo Electrospun Composites, Xianjun Wang

Dissertations

The focus of this dissertation is the design, synthesis, characterization, and prototyping of bio-inspired materials to understand the role of structure, intermolecular interactions, and processing technique on the self-assembly, bioactive properties, and mechanical properties of the biomaterials. This work is divided into three research areas: 1) sprayable and adhesive glycopolymer based hydrogels; 2) decapeptide-based composite nanofiber mats; and 3) prototyping sutures and meshes via electrospinning. The established structure-property-processing relationships provide a foundation for designing biomaterials in the future.

The first chapter provides an introductory overview of the requirements necessary for the development of hydrogels, glycopolymers, and peptides, including relevant processing …

Excellent Registry: A Prospective, Multicenter, Global Registry Of Endovascular Stroke Treatment With The Embotrap Device., Raul G Nogueira, Tommy Andersson, Diogo C Haussen, Albert J Yoo, Ricardo A Hanel, Osama O Zaidat, Werner Hacke, Tudor G Jovin, Jens Fiehler, Simon F De Meyer, Waleed Brinjikji, Karen M Doyle, David F Kallmes, David S Liebeskind, Renu Virmani, Malgosia A Kokoszka, Violiza Inoa, William Humphries, Keith B Woodward, Pascal M Jabbour, Olivier François, Elad I Levy, Hormozd Bozorgchami, Stephan Boor, Jose E Cohen, Shervin R Dashti, Muhammad A Taqi, Ronald F Budzik, Clemens M Schirmer, M Shazam Hussain, Laurent Estrade, Reade A De Leacy, Ajit S Puri, Rohan V Chitale, Caspar Brekenfeld, Adnan H Siddiqui

Neuroscience Articles

BACKGROUND: The EXCELLENT registry aimed to evaluate the effectiveness of the EMBOTRAP Revascularization Device in an all-comer population in a real-world setting, with a focus on the composition of retrieved clots.

METHODS: EXCELLENT is a prospective, global registry of patients with acute ischemic stroke treated with EMBOTRAP as the first-line mechanical thrombectomy device conducted at 34 sites (25 sites contributing clot) from September 2018 to March 2021, utilizing core imaging and central histology laboratories blinded to clinical data, independent 90-day modified Rankin Scale assessment and Clinical Events Committee.

RESULTS: After screening 3799 patients, a total of 997 subjects (mean age, …

Connecting, Serving, And Adapting: Perspectives On The Transition To Adulthood From Latino Young Adults With Asd, Parents, And Providers, Antonio F Pagán, Juliana L Vanderburg, Katherine A Loveland, Ron E Acierno, Thomas D Meyer

Faculty, Staff and Student Publications

Advancing interventions and supports for individuals with autism spectrum disorder (ASD) requires understanding that ASD is a lifelong developmental difference. However, little is known about the unique experiences of autistic young adults, parents, and community providers in the Latino community. The purpose of this study was to improve access to inclusive community based setting by identifying and learning about barriers and needs experienced by young adults, parents, and community providers of autistic individuals across the lifespan, but particularly during the transition to adulthood. Ten community providers, eighteen parents of autistic children, and five young adult self-advocates participated in focus groups. …

Telehealth In Emergency Medicine Residency Training: A Model Curriculum, Laura Oh, Rahul Bhat, Michael J Carr, Aditi U Joshi, Bruce M Lo, Ashley C Rider, Lulu Wang, Michael C Wadman, Samuel D Luber

Faculty, Staff and Student Publications

Emergency physicians are well‐positioned to take a leadership role in telehealth, particularly in emerging categories such as triage, direct acute unscheduled care, and virtual observation. However, the growth of telehealth has outpaced curricular development in emergency medicine (EM) residency programs. This manuscript presents a model longitudinal telehealth curriculum, developed by the consensus of education experts, including representatives from the telehealth interest groups from EM's two primary specialty societies: the American College of Emergency Physicians and the Society for Academic Emergency Medicine. The curriculum describes overarching goals and components that may serve as a foundation for individual institutions seeking to train …

Associations Between Maternal Preconception And Pregnancy Adiposity And Neuropsychiatric And Behavioral Outcomes In The Offspring: A Systematic Review And Meta-Analysis, Bereket Duko, Tesfaye S. Mengistu, David Stacey, Lisa J. Moran, Gizachew Tessema, Gavin Pereira, Asres Bedaso, Amanuel Tesfay Gebremedhin, Rosa Alati, Oyekoya T. Ayonrinde, Beben Benyamin, S. Hong Lee, Elina Hyppönen

Research outputs 2022 to 2026

Maternal adiposity (overweight or obesity) has been associated with adverse perinatal outcomes, although the potential risks of long-term neuropsychiatric and behavioral outcomes in the offspring remain unclear. Using the PRISMA guidelines, we searched PubMed, EMBASE, Scopus, and Web of Science to identify studies on maternal adiposity and offspring neuropsychiatric outcomes. Inverse variance-weighted random-effects meta-analyses were used to pool effect estimates with 95 % confidence intervals (95 % CIs) from adjusted odds ratios (OR) and hazard ratios (HR). Estimates were computed separately for preconception and pregnancy maternal overweight and obesity, with outcomes stratified by the type of neuropsychiatric outcome. In our …

Cyp1b1-Rmdn2 Alzheimer’S Disease Endophenotype Locus Identified For Cerebral Tau Pet, Kwangsik Nho, Shannon L. Risacher, Liana G. Apostolova, Paula J. Bice, Jared R. Brosch, Rachael Deardorff, Kelley Faber, Martin R. Farlow, Tatiana Foroud, Sujuan Gao, Thea Rosewood, Jun Pyo Kim, Kelly Nudelman, Meichen Yu, Paul Aisen, Reisa Sperling, Basavaraj Hooli, Sergey Shcherbinin, Diana Svaldi, Clifford R. Jack, William J. Jagust, Susan Landau, Aparna Vasanthakumar, Tenielle Porter, Vincent Doré, Simon M. Laws

Research outputs 2022 to 2026

Determining the genetic architecture of Alzheimer’s disease pathologies can enhance mechanistic understanding and inform precision medicine strategies. Here, we perform a genome-wide association study of cortical tau quantified by positron emission tomography in 3046 participants from 12 independent studies. The CYP1B1-RMDN2 locus is associated with tau deposition. The most significant signal is at rs2113389, explaining 4.3% of the variation in cortical tau, while APOE4 rs429358 accounts for 3.6%. rs2113389 is associated with higher tau and faster cognitive decline. Additive effects, but no interactions, are observed between rs2113389 and diagnosis, APOE4, and amyloid beta positivity. CYP1B1 expression is upregulated in AD. …

Barriers And Enablers To Promoting Grandchildren’S Physical Activity And Reducing Screen Time: A Qualitative Study With Australian Grandparents, Timothy Budden, David Coall, Ben Jackson, Hayley Christian, Andrea Nathan, Michelle I. Jongenelis

Research outputs 2022 to 2026

Background: With an increasing number of grandparents providing care to their grandchildren, calls have been made for these caregivers to be considered important stakeholders in encouraging children’s engagement in health-promoting behaviors, such as physical activity. Understanding the perspectives of grandparents who provide care is crucial to informing efforts that aim to increase children’s physical activity, yet little is understood about their perceptions of specific barriers and enablers to promoting children’s physical activity and reducing screen time. The present study sought to explore these perceptions. Methods: Semi-structured focus groups and individual interviews were conducted with grandparents who reported providing care to …

The Effects Of Short-Term, Progressive Exercise Training On Disease Activity In Smouldering Multiple Myeloma And Monoclonal Gammopathy Of Undetermined Significance: A Single-Arm Pilot Study, A. Emery, S. Moore, J. Crowe, J. Murray, O. Peacock, D. Thompson, F. Betts, S. Rapps, L. Ross, D. Rothschild-Rodriguez, A. A. Echarri, R. Davies, R. Lewis, D. X. Augustine, A. Whiteway, Z. Afzal, J. L. J. Heaney, M. T. Drayson, J. E. Turner, John P. Campbell

Research outputs 2022 to 2026

Background: High levels of physical activity are associated with reduced risk of the blood cancer multiple myeloma (MM). MM is preceded by the asymptomatic stages of monoclonal gammopathy of undetermined significance (MGUS) and smouldering multiple myeloma (SMM) which are clinically managed by watchful waiting. A case study (N = 1) of a former elite athlete aged 44 years previously indicated that a multi-modal exercise programme reversed SMM disease activity. To build from this prior case study, the present pilot study firstly examined if short-term exercise training was feasible and safe for a group of MGUS and SMM patients, and secondly …

Emotional And Behavioural Difficulties Among Children And Adolescents Attending “Art Teen Clubs” In Mzuzu City In Northern Malawi: A Cross-Sectional Study, Paul U. Kaseka, Maggie Zgambo, Balwani C. Mbakaya, Mathews Lazarus, Obed Nkhata, Fatch W. Kalembo

Research outputs 2022 to 2026

Background: While triple anti-retroviral therapy (ART) has improved HIV-infected children surviving into adolescence and adulthood, these children remain vulnerable to HIV-related psychological disturbance due to both the direct HIV infection effects on the brain and indirect effects related to coping with a range of medical, psychological and social stresses associated with HIV, which makes it vital to identify their mental health needs. This study assessed the emotional and behavioural challenges of HIV perinatally infected children and adolescents with a completed disclosure process attending “ART teen club” in Malawi. Methods: A cross-sectional descriptive study design was conducted to obtain quantitative descriptive …

It’S About Time: Mitigating Cancer-Related Cognitive Impairments Through Findings From Computational Models Of The Wisconsin Card Sorting Task, Darren Haywood, Frank D. Baughman, Evan Dauer, Jennifer Haywood, Susan Rossell, Nicolas H. Hart

Research outputs 2022 to 2026

Background: Many cancer survivors experience cancer-related cognitive impairment (CRCI), often with significant negative consequences across various life domains. Emerging evidence suggests that allowing additional time to process information before acting may be a useful strategy for those with CRCI to mitigate some of its impacts. The Wisconsin Card Sorting Task (WCST), a measure of general cognition, has shown that for some cancer survivors, longer task completion time facilitates similar task performance outcomes to control populations concerning perseveration errors; a key performance metric of the WCST. However, assessing if this strategy may be useful, as well as determining for whom it …

Assessing The Critical Factors Influencing Worker Safety In Roadway Work Zones, Bahaa Chammout, Muaz O. Ahmed, Islam El-Adaway

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Ongoing roadway construction and maintenance activities are essential for sustaining and improving infrastructure. Nonetheless, work zones in the United States continue to experience concerning frequencies of occupational and traffic accidents. Previous research highlighted multiple factors influencing work zone safety, yet their relative impact and importance remain unclear. This study addresses this gap following a multistep methodology. First, 32 safety factors were identified through an extensive literature review in a previous study. Second, a survey was administered among 298 professionals from diverse backgrounds, with an average of 17.75 years of construction experience and 13.78 years of work zone experience, to assess …

Early Detection And Intervention Of Preschool-Aged Children Using Android-Based Monitoring During The Covid-19 Pandemic In Central Java, Triwiji Lestari, Elisa Elisa

Jurnal Keperawatan Indonesia

Preschool age is widely recognized as a critical phase in child development, often referred to as the golden period, the window of opportunity, and the critical period. Alarming statistics from the Indonesian Ministry of Health reveal that 16% of Indonesian toddlers, amounting to 0.4 million children, experience developmental delays, encompassing fine and gross motor skills, hearing impairments, reduced cognitive abilities, and speech delays. This study aims to assess the effectiveness of an Android-based early detection and intervention system on the development of preschool children during the challenging circumstances of the COVID-19 pandemic in Central Java. The research employed a quasi- …

Effectiveness Of Massive Open Online Course On Risk Communication Knowledge In Global Health Emergencies Among Nurses, Khin Thandar Aung, Rafiza Abdul Razak, Muhammad Fadli Zulkafely

Jurnal Keperawatan Indonesia

Massive Open Online Courses (MOOCs) have transformed education. The minimal usage of MOOCs in nursing education reveals a lack of continuous healthcare professional development. Although MOOCs are recognized as a viable means of continuing education for healthcare professionals, their application and content specifically tailored to healthcare have remained unexplored. This study aimed to determine the effectiveness of a dedicated Massive Open Online Course (MOOC) designed to enhance nurses' risk communication knowledge in global health emergencies through testing with a small nurse sample in a pilot trial. This preliminary examination seeks participant feedback and insights. A quasi- experimental research design was …

Covid-19 Vaccine Or Booster Uptake And Hesitancy For Children Aged 6 Months–5 Years In The United States: A National Descriptive Study Using The Household Pulse Survey Between March And May 2023, Chulwoo Park, Pyramida Vagoyan Zabala

Faculty Research, Scholarly, and Creative Activity

The Centers for Disease Control and Prevention recommends that children aged 6 months–5 years (children under 5) receive multiple doses of COVID-19 vaccine, including updated (bivalent) COVID-19 vaccine. However, since the updated vaccines became available for children under 5, there has been limited knowledge regarding hesitancy toward the original vaccine or boosters in vaccinating children. To address this gap, this study utilized data from the Household Pulse Survey conducted from March 1, 2023 to May 8, 2023 (Phase 3.8). The purpose of the study was to examine the proportion of children under 5 who had received at least one dose …

Minority Stress Mediates Associations Of Sexual Minority State Policies And Tobacco Use Among Us Sexual Minority Young Adults, Katelyn F. Romm, Erin A. Vogel, Christina Dyar, Laurie A. Drabble, Patricia A. Cavazos-Rehg, Carla J. Berg

Faculty Research, Scholarly, and Creative Activity

Introduction: State policies surrounding sexual minority (SM) rights are associated with tobacco use among SM individuals. Research is scant regarding the role of distinct SM policy categories on SM young adults’ (SMYAs) tobacco use and mechanisms explaining these associations. Methods: We analyzed 2023 survey data from 1100 SMYAs (ages 18–34; 14.2 % gender minority; 66.1 % bisexual+, 29.1 % monosexual; 53.2 % racial/ethnic minority) with representation across 45 US states and DC. Regression-based models examined: 1) direct associations of residing in states with negative and limited (vs. comprehensive) SM state policies with respect to 7 policy categories (relationship/parent recognition, nondiscrimination, …

Predevelopment Revolving Loan Funds To Develop Affordable Housing: Program Features And How They Can Be Strengthened, Shishir Mathur, Hilary Nixon, Shreya Chokshi

Faculty Research, Scholarly, and Creative Activity

Predevelopment revolving loan funds (PDRLFs) are pools of money from which loans are made and to which loan repayments flow in. They are a part of revolving loan funds (RLFs) that are extensively used in the US to support small businesses and housing. However, PDRLFs' use for funding affordable housing is little-studied. This paper begins to fill this research gap through a literature review and case studies to better understand the key features and the ways to strengthen affordable housing-focused PDRLFs. Finally, it suggests key strategies to strengthen them further, which include flexible funding by the state and federal governments …

Real-Time Assessment Of Rebar Intervals Using A Computer Vision-Based Dvnet Model For Improved Structural Integrity, Bubryur Kim, Sri Preethaa K.R., Yuvaraj Natarajan, Danushkumar V., Jinwoo An, Dong-Eun Lee

Civil Engineering Faculty Publications

Structural durability is critical for building and civil engineering safety, wherein the arrangement and distribution of reinforcing bar (rebar) is crucial. Improperly aligned rebar impacts bearing capacity, whereas uniform spacing optimally distributes loads, reducing stress. We introduce a computer-vision based Deep Vision Net (DVNet) model for real-time evaluation of rebar placement. A customized dataset is prepared in an environmental setup and augmented to address overfitting issues. This research conducts a comparative analysis of the learning performance exhibited by the proposed DVNet model against several other pre-trained models, such as Mask-RCNN and YOLOv5. The proposed DVNet model is built on a …

Proactive And Reactive Sibling Aggression And Their Mediating Effects On The Relationship Between Exposure To Parental Violence And Adulthood Intimate Partner Violence Perpetration, Ayleen Flores, Ruby Charak

Psychological Science Faculty Publications

It is generally understood that individuals who experience exposure to parental violence (EPV) during childhood may come to perpetrate violence, but not all will. Research has shown that individuals who experience EPV can model maladaptive modes of problem-solving that can later be seen in sibling relationships as aggression. This can lead to a heightened risk of adulthood intimate partner violence perpetration (IPV). This study aimed to examine the mediating role of proactive and reactive sibling aggression in the associations of three forms of childhood EPV—violence directed from mother-to-father, father-to-mother, bidirectional—and perpetration of sexual and physical IPV types during adulthood. Participants …

Understanding Immigrant Entrepreneurship In Ireland, Thomas M. Cooney, Martina Brophy, Toluwani Akaehomen

Reports

Understanding immigrant entrepreneurship in Ireland involves examining the diverse contributions that entrepreneurs from various backgrounds bring to the Irish economy. Immigrants from EU countries, Asia, Africa, the Americas and elsewhere come with different entrepreneurial traditions and experiences, enhancing the Irish business landscape with new ideas and practices. These entrepreneurs have a significant economic impact, introducing new products and services, creating jobs, and contributing to economic diversity and resilience. However, they often face distinctive challenges such as cultural and language barriers, difficulties in accessing finance, and navigating local regulations. The aim of this report is is to enhance understanding of immigrant …

Genetic Aspects Of Resilience In The Foundational Seagrass Halodule Wrightii: The Role Of Genetic Variation And Gene Expression In Maintaining Primary Production, Anastasia M. Konefal

LSU New Orleans Theses and Dissertations

Seagrasses are coastal foundation species which significantly contribute to the primary production of shallow water ecosystems and provide several services. However, seagrasses, like other coastal foundation species, are threatened by myriad anthropogenic stressors. Conservation is difficult in ecosystems under multiple threats where the factors that contribute to production are not easily elucidated. Genetic diversity and gene expression may be related to the function and stability of populations but are rarely considered in management plans. High genetic diversity and the associated trait variation within a population are known to contribute to higher function and stability of a population. Additionally, individual-level changes …

Personal Exposure To Black Carbon: Impact Of Time-Activity Patterns And Environmental Factors On Exposure Levels, Sai Deepak Pinakana, Johnathan R. Gonzalez, Amit U. Raysoni

School of Earth, Environmental, & Marine Sciences Faculty Publications

Black carbon (BC) is a critical environmental pollutant with significant implications for human health. This study aims to quantify personal exposure to BC by focusing on the influence of microenvironments and time-activity patterns in the Rio Grande Valley (RGV) region of South Texas, USA. Over eight days in March and April 2023, a portable aethalometer and GPS tracking instruments were used to measure BC exposure among a study participant, alongside recording the time spent in various microenvironments. The BC measurements were correlated to the time activity patterns to calculate BC inhaled dosage values thereby elucidating its impact on human health. …

Decoding Emotions: Unveiling Facial Expressions Through Acoustic Sensing With Contrastive Attention, Guangjing Wang, Juexing Wang, Ce Zhou, Weikang Ding, Huacheng Zeng, Tianxing Li, Qiben Yan

Computer Science Faculty Research & Creative Works

Expression recognition holds great promise for applications such as content recommendation and mental healthcare by accurately detecting users’ emotional states. Traditional methods often rely on cameras or wearable sensors, which raise privacy concerns and add extra device burdens. In addition, existing acoustic-based methods struggle to maintain satisfactory performance when there is a distribution shift between the training dataset and the inference dataset. In this paper, we introduce FacER+, an active acoustic facial expression recognition system, which eliminates the requirement for external microphone arrays. FacER+ extracts facial expression features by analyzing the echoes of near-ultrasound signals emitted between the 3D facial …

Percutaneous Mechanical Aspiration For Infective Endocarditis: Proceedings From An Inaugural Multidisciplinary Summit And Comprehensive Review, Lucas X Marinacci, Sanjum S Sethi, Molly L Paras, Abdallah El Sabbagh, Eric A Secemsky, M Rizwan Sohail, Christoph Starck, Benjamin Bearnot, Evin Yucel, Raymond H M Schaerf, Yasir Akhtar, Ahmad Younes, Marquand Patton, Pedro Villablanca, Seenu Reddy, Daniel Enter, John M Moriarty, William Brent Keeling, Stephanie El Hajj Younes, Charles Kiell, Kenneth Rosenfield

Faculty, Staff and Students Publications

The clinical presentation and epidemiology of infective endocarditis (IE) have evolved over time. While the cornerstones of IE treatment remain antimicrobial therapy and surgery, percutaneous mechanical aspiration (PMA) has emerged as an option for carefully selected patients as a complementary modality, based on retrospective data, case series, and expert experience. In this comprehensive review, we summarize the proceedings from an inaugural summit dedicated to the discussion of PMA in the global management of IE, consisting of experts across multiple disciplines from diverse geographic regions and care environments. After conceptualizing the 3 major roles of PMA as a bridge to decision, …

Meta-Analysis Of Longitudinal Comparison Of Transcatheter Versus Surgical Aortic Valve Replacement In Patients At Low To Intermediate Surgical Risk, Mushood Ahmed, Areeba Ahsan, Aimen Shafiq, Zain A Nadeem, Fariha Arif, Eeshal Zulfiqar, Muhammad H Kazmi, Rukesh Yadav, Hritvik Jain, Raheel Ahmed, Mahboob Alam, Farhan Shahid

Faculty, Staff and Students Publications

Background: Surgical aortic valve replacement (SAVR) is the commonly used approach for aortic valve replacement (AVR) in patients with aortic stenosis at low or intermediate surgical risk. However, transcatheter aortic valve replacement (TAVR) has emerged as an alternative to SAVR for AVR. This meta-analysis aims to assess the comparative efficacy and safety of TAVR versus SAVR in low-to-intermediate surgical risk patients by analyzing temporal trends in the outcomes of TAVR and SAVR at various follow-up intervals, providing a more detailed understanding.

Methods: A thorough literature search was performed across PubMed/MEDLINE, Embase, and the Cochrane Library from their inception up to …

Asthma Prevalence Among United States Population Insights From Nhanes Data Analysis, Sarya Swed, Bisher Sawaf, Feras Al-Obeidat, Wael Hafez, Amine Rakab, Hidar Alibrahim, Mohamad Nour Nasif, Baraa Alghalyini, Abdul Rehman Zia Zaidi, Lamees Alshareef, Fadel Alqatati, Fathima Zamrath Zahir, Ashraf I. Ahmed, Mulham Alom, Anas Sultan, Abdullah Almahmoud, Agyad Bakkour, Ivan Cherrez-Ojeda

All Works

Asthma is a prevalent respiratory condition that poses a substantial burden on public health in the United States. Understanding its prevalence and associated risk factors is vital for informed policymaking and public health interventions. This study aims to examine asthma prevalence and identify major risk factors in the U.S. population. Our study utilized NHANES data between 1999 and 2020 to investigate asthma prevalence and associated risk factors within the U.S. population. We analyzed a dataset of 64,222 participants, excluding those under 20 years old. We performed binary regression analysis to examine the relationship of demographic and health related covariates with …

Decoding Fgf/Fgfr Signaling: Insights Into Biological Functions And Disease Relevance, Oshadi Edirisinghe, Gaetane Ternier, Zeina Alraawi, Thallapuranam Krishnaswamy Suresh Kumar

Chemistry & Biochemistry Faculty Publications and Presentations

Fibroblast Growth Factors (FGFs) and their cognate receptors, FGFRs, play pivotal roles in a plethora of biological processes, including cell proliferation, differentiation, tissue repair, and metabolic homeostasis. This review provides a comprehensive overview of FGF-FGFR signaling pathways while highlighting their complex regulatory mechanisms and interconnections with other signaling networks. Further, we briefly discuss the FGFs involvement in developmental, metabolic, and housekeeping functions. By complementing current knowledge and emerging research, this review aims to enhance the understanding of FGF-FGFR-mediated signaling and its implications for health and disease, which will be crucial for therapeutic development against FGF-related pathological conditions.

A Hybrid Approach Of Vision Transformers And Cnns For Detection Of Ulcerative Colitis, Syed Abdullah Shah, Imran Taj, Syed Muhammad Usman, Syed Nehal Hassan Shah, Ali Shariq Imran, Shehzad Khalid

All Works

Ulcerative Colitis is an Inflammatory Bowel disease caused by a variety of factors that lead to a serious impact on the quality of life of the patients if left untreated. Due to complexities in the identification procedures of this disease, the treatment timeline and quality can be severely affected, leading to further consequences for the sufferer. The difficulties in identification are due to high patients to healthcare professionals ratio. Researchers have proposed variety of machine/deep learning methods for automated detection of ulcerative colitis, however, several challenges exists including class imbalance problem, comprehensive feature extraction and accurate classification. We propose a …

Recent Advances In Transition Metal-Based Photocatalytic Heterojunctions For Algal Inhibition And Water Disinfection: A Review, Yaksha Verma, Gaurav Sharma, Jibran Iqbal, Mu Naushad, Chin Wei Lai, Amit Kumar, Pooja Dhiman, Ackmez Mudhoo

All Works

Sustainable energy production and effective water pollution control are critical global priorities. Harmful algal blooms (HABs) and waterborne pathogens pose significant threats to water quality and public health, necessitating efficient and eco-friendly treatment methods. Transition metal-based photocatalytic heterojunctions offer promising solutions by leveraging the unique properties of transition metals to enhance photocatalytic efficiency. This review examines recent advances in these heterojunctions employed for algal inhibition and water disinfection, discussing various heterojunction type (including conventional, p-n, Z-scheme, S-scheme, and Schottky heterojunctions), and their synthesis methods. We elucidate the mechanisms involved, highlighting improved electron transfer, reduced recombination rates, and broadened light absorption. …

Advancing Theory In Psychographic Market Segmentation Research, Jack A. Lesser, Suanne M. Barthol

Journal of Applied Marketing Theory

For decades, marketing research has focused on identifying psychographic segments to develop corporate strategy. However, as this article contends, psychographic segmentation research has often lacked sufficient theoretical grounding, particularly in the selection of variables and underlying theories guiding these studies. To address this gap, the present study systematically reviews a broad range of segmentation studies to evaluate their theoretical contributions and identify promising directions for future research. The analysis begins by examining the theories in a comprehensive psychographic segmentation study by Lesser and Hughes (1986a), followed by a review of 38 additional studies to uncover relevant underlying theories. The study …