Digital Commons Network^™

Exploring The Relationship Between Tree Dbh And Lichen Cover On Coast Redwood, Grace M. Personeus, Sierra Gittleman, Alisa A. Zarattini

IdeaFest: Interdisciplinary Journal of Creative Works and Research from Cal Poly Humboldt

We investigated the relationship between Diameter at Breast Height (DBH) and lichen cover on coast redwood (Sequoia sempervirens) to see if larger trees had higher percentages of cover. We measured cover using 10 cover classes on the southeastern and southwestern sides of trees in a secondary growth forest. We found a significant relationship between DBH and cover, yet no significant difference between the two sides measured. We suggest that further research with a larger sample size and more varied age classes will provide further insight into the relationship.

Allosteric And Uncompetitive Inhibition Of Yeast Alcohol Dehydrogenase Identified By Enzyme Kinetics, Dylan Jeremy Harrison, Jenny A. Cappuccio

IdeaFest: Interdisciplinary Journal of Creative Works and Research from Cal Poly Humboldt

Enzyme kinetics is a powerful technique used to quantify the rate at which an enzyme converts a substrate into a product and to identify potential inhibitors. In this study, kinetic analysis was employed to assess the activity of yeast alcohol dehydrogenase (YADH) in the presence and absence of sweeteners commonly found in alcoholic beverages. YADH catalyzes the oxidation of ethanol to acetaldehyde using NAD⁺ as a cofactor; the reduction to NADH can be monitored spectrophotometrically at 340 nm. Based on structural similarities to the ribose moiety of NAD⁺, it was hypothesized that sucrose and sucralose could directly interact with the …

Full Issue, The Press At Cal Poly Humboldt

IdeaFest: Interdisciplinary Journal of Creative Works and Research from Cal Poly Humboldt

No abstract provided.

Narrative, Identity, And Liminality Of Player Development Personnel In Ncaa Power 4 Conferences: Supporting Athlete Identity Development And Navigating Role Evolution In The Nil Implementation Era, Joseph L. Herman Ii

Journal of Issues in Intercollegiate Athletics

Derived from a larger study, this article examines Player Development Personnel (PDPs) in NCAA Power 4 (P4) conferences as they support athlete identity development and navigate role evolution during the NIL implementation era. Although academic advisors and support staff have long contributed to athlete development, limited scholarship has examined how PDPs understand their professional identities, responsibilities, and institutional constraints in NIL-era athletics. Guided by the Narrative, Identity, and Liminality Model (NILM), MNF, and institutional logics, this study situates PDP work within an ecosystem shaped by commercialization, racialized narratives, and organizational expectations (McLean & Syed, 2015; Southall et al., 2008). Semi-structured …

Educating Ncaa Student-Athletes To Mitigate Social Media Risks: Results From An Intervention Pilot Program, Ksenia Power, Nataliya Bredikhina, Bomin Paek

Journal of Issues in Intercollegiate Athletics

With the introduction of the NCAA’s Name, Image, and Likeness (NIL) policy in July 2021, student-athletes have become increasingly reliant on social media for personal branding and monetization. However, prior research suggests that excessive social media use can negatively impact student-athletes’ well-being, highlighting the need for targeted digital literacy education. Addressing these concerns, this study designed and evaluated an online intervention, “Student-Athlete Training for Online Resilience Management” (STORM), aimed at improving student-athletes’ perceived knowledge and confidence in navigating social media-related risks. Using two waves of survey data (N = 117), the study assessed changes in perceived knowledge of social …

Big Fish Or Little Pond? National Evidence On The Relationship Between Transferring And Athletic Performance Within Division I Men's College Basketball, Kendall Cole, Francis A. Pearman Ii, Saurabh Khanna

Journal of Issues in Intercollegiate Athletics

Beginning with the introduction of the transfer portal in 2018, the National Collegiate Athletic Association (NCAA) has made several policy changes that have made transferring both easier and more desirable among student athletes, particularly in Division I (DI) revenue-generating sports. Yet, little is known about the relationship between transferring and student athletes’ athletic performance. Using individual- and team-level data on all DI men’s college basketball student athletes from the 2018-19 season through the 2023-24 season, we examine the relationship between transferring and athletic performance, specifically one’s points per game, minutes per game, and number of games started per season. Results …

Online Harassment And Mental Health Among Collegiate Student-Athletes: Findings From An Ncaa Division I Conference Survey, M. Courtney Hughes, Michelle K. Demaray, Emily A. Skiba, Sarah E. Warriner

Journal of Issues in Intercollegiate Athletics

Social media is central to college athletics, yet public visibility can expose collegiate student-athletes to online harassment, a risk the NCAA has recently highlighted by documenting sizable volumes of abusive, discriminatory, and betting-related content directed at athletes and officials. This study surveyed 85 NCAA Division I student-athletes from ten universities across the Mid-American Conference and assessed social-media behaviors, online harassment exposure, depression, and anxiety. Most athletes used social media 1–3 hours/day, 78% enabled name-mention alerts, and platforms commonly used included Instagram (98.8%) and X (65.9%). Online harassment was reported via social posts (9.4%), direct messages (4.7%), and texts (3.5%), with …

“Where’S This Energy When They’Re Killing Us!?”: Black Sport Media, Disruptions Of Linked Fate, And The Plantation Politics Of Protection, Sayvon Jl Foster

Journal of Issues in Intercollegiate Athletics

Following the viral interaction between Nyck Harbor and the Texas State Trooper, Black sport media figures dominated the discourse surrounding the incident. By centering Black sport media figures as sources of discursive authority, this study illuminates the role of (Black) sport media in shaping the understanding and response to experiences of Black college athletes. Using Thompson’s (2022) abductive thematic content analysis, commentary from eight prominent Black sport media voices - Bomani Jones, Stephen A. Smith, Ryan Clark, Cam Newton, Von Miller, Marcellus Wiley, Jason Whitlock, and Etan Thomas - was analyzed. With Dawson's (1994) Linked Fate Theory (LFT) as the …

Understanding Parents Perceptions Concerning Division I Student-Athlete Mental Health, Jonathan M. Casper, Jason Bocarro, Marie Amidon

Journal of Issues in Intercollegiate Athletics

Collegiate student-athletes (SAs) frequently underreport mental health concerns and are less likely to seek professional support compared to their non-athlete peers. Given the substantial emotional and academic support parents provide, this study examined NCAA Division I parents’ perceptions of their student-athletes’ mental health and overall well-being, as well as their awareness and perceptions of available mental health services. An online survey (N = 178) was administered across two Division I universities. Parents reported considerable concern regarding mental exhaustion, anxiety, academic pressures, and future planning. They also identified sport-specific stressors, including relationships with coaches, playing time, team dynamics, and injuries. Although …

2nd National Research Day Lebanese Medical Schools

MEAMS Middle East Annals of Medical Sciences - Saint Joseph University of Beirut

No abstract provided.

The Association Between Generative Artificial Intelligence Use And Students' Critical Thinking Performance In Uae Higher Education, Halima Omar

Thesis/ Dissertation Defenses

The rapid integration of Artificial Intelligence (AI) into higher education has reshaped how students engage with learning, raising critical questions about its influence on higher-order cognitive development. This topic is particularly prominent in the United Arab Emirates (UAE), where national priorities emphasize technological dominance and the development of a knowledge-based economy that demands the cultivation of graduates’ critical thinking competencies. Despite widespread AI adoption, empirical evidence linking patterns of AI use to critical thinking performance remains scarce. This dissertation fulfils this gap by examining the relationship between AI use and critical thinking among UAE higher education students, with particular attention …

Neuromuscular Responses During Vigorous Intensity Heart Rate-Clamp Cycling Exercise, Clara J. Mitchinson, Pasquale J. Succi, Brian Benitez, Djadmann Gustave, Minyoung Kwak, Erik Snell, Haley C. Bergstrom

Journal for Sports Neuroscience

Introduction: Electromyography (EMG) and mechanomyography (MMG) provide non-invasive assessments of neuromuscular function and fatigue during dynamic exercise. This study examined neuromuscular fatigue and cycling performance through changes in power output (PO), total work (TW), EMG and MMG, amplitude (AMP) and mean power frequency (MPF) during three, heart rate (HR)-Clamp trials in the vigorous range (77-95% HR_max). Methods: Ten men (mean±SD, 25.9±5.0yr, 74.9±15.0kg, HR_max=178±12b×min^-1) performed a cycle ergometer graded exercise test, followed by three separate HR-Clamp trials at 77%HR_max (HR_L, time to exhaustion [T_Lim]=58.5±4.6 min, range=45.3-60.0min), 86%HR_max (HR_{M …}

A Professional Development Course On Data-Driven Dynamical Systems At A Primarily Undergraduate Institution: Part A - Scientific Content, Alessandro M. Selvitella, Jeffrey R. Anderson

CODEE Journal

In the age of data-driven decision making, ordinary differential equations (ODEs) remain a powerful and interpretable framework for modeling dynamic processes, especially when integrated with modern tools from statistical learning and data-driven dynamical systems. Yet, general undergraduate and graduate curricula do not typically address key opportunities in data-driven dynamical systems.

This first paper in a series focuses on the mathematical and methodological core of a professional development course first developed in the academic year 2025-2026 at a Primarily Undergraduate Institution, Purdue University Fort Wayne. The curriculum developed in this course emphasized how regression, regularization, and sparse identification can be used …

Impact Of Insurance On In-Hospital Mortality And Other Outcomes Among Patients With Acs And Cardiogenic Shock: A Nationwide Analysis From 2022., Renzo Aller, Aura Calderon

Research Symposium

Introduction: Insurance coverage may significantly affect access to timely and advanced cardiovascular therapeutic interventions within the United States. Among individuals experiencing acute myocardial infarction (AMI) accompanied by cardiogenic shock (CS), variations based on the primary payer may play a role in subsequent in-hospital outcomes. We conducted a retrospective analysis to determine whether insurance status correlates with in-hospital mortality and other outcomes among patients with AMI and CS, utilizing the NIS database.

Methods: ACS patients in the 2022 NIS were categorized as STEMI or NSTE-ACS using appropriate ICD‐10 codes. Patients with both types of ACS and cardiogenic shock were included in …

The Triple Threat: Hiv, Nonadherence, And Substance Use Driving Premature Coronary Events, Jose J. Loayza Pintado, Taiwo Ajani, Angelica Lopez Jesus, Aura Calderon, Jose Pena

Research Symposium

Background: People living with HIV (PLWH) experience nearly double the risk of premature atherosclerotic cardiovascular disease and often present with acute coronary syndromes at younger ages [1]. Chronic inflammation, immune activation, and drug–drug interactions between antiretrovirals and antiplatelet agents further contribute to accelerated atherosclerosis and poor outcomes after percutaneous coronary intervention (PCI) [2,3]. Importantly, in-stent restenosis (ISR) remains disproportionately frequent in PLWH despite modern drug-eluting stents, with medication nonadherence compounding risk [4]. We present a young woman with HIV and recurrent myocardial infarction due to rapid ISR, underscoring the impact of inflammation, adherence, and pharmacologic interactions on secondary prevention.

Case …

Survival Outcomes And Tumor Site Distribution By Molecular Subtype In Breast Cancer Patients Under 40, Muhammad Noorani, Shubhank Goyal, Sierra Viduarri, Aura Calderon, Christine Pham, Shweta Singh, Mutaaz Ahmed, Anupam Dhasmana, Swati Dhasmana, Murali Yallapu, Shubash Chauhan, Diane Nguyen, Sidketa Fofana, Sheema Khan

Research Symposium

Background: Screening guidelines for breast cancer typically begin at age 40, leaving younger women at risk for delayed detection. The survival outcomes and tumor site patterns by subtype in this younger population remain underexplored. Our analysis leverages comprehensive national data to fill this critical knowledge gap, offering one of the most detailed evaluations to date of molecular subtype distribution, prognostic disparities, and anatomical presentation in women under 40.

Methods: Using the SEER 18 registry, we identified 5,026 female patients diagnosed under age 40 with invasive breast cancer in 2018. This year was selected for the most recent data available on …

Severe Cold Agglutinin Hemolytic Anemia Secondary To Mycoplasma Pneumoniae And Epstein-Barr Virus Co-Infection In An Elderly Patient, Aura Mc Calderon, Jose Loayza, Luis Salcedo, Ivan Mogollon, Asmik Asatrian

Research Symposium

Introduction: Cold autoimmune hemolytic anemia (AIHA) is an uncommon, complement-mediated hemolysis typically driven by IgM autoantibodies; secondary forms are often infection-related. Severe, transfusion-refractory presentations are rare in older adults. We present an elderly patient with Mycoplasma pneumoniae and Epstein–Barr virus co-infection complicated by life-threatening cold agglutinin hemolysis.

Case report: Upon admission, a 79-year-old male patient presented with a one-week history of fatigue, pyrexia, nasal congestion, and dyspnea; examination findings revealed pallor, bibasilar crackles, and mild splenomegaly. Laboratory investigations indicated the presence of severe hemolytic anemia accompanied by compensatory reticulocytosis and thrombocytosis (hemoglobin 5.5 g/dL, hematocrit 17.2%, MCV 100 fL, reticulocytes …

Iptacopan-Responsive Pnh With Pancytopenia: Hematologic Normalization And Dose Adjustment For Transaminitis, Aura Mc Calderon, Jose Loayza, Francisco Arias, Catherine Matos, Bharat Peddinani, Diane Nguyen

Research Symposium

Introduction: Paroxysmal nocturnal hemoglobinuria (PNH) is a clonal hematopoietic stem-cell disorder driven by loss of GPI-anchored complement regulators (CD55, CD59), leading to complement-mediated intravascular hemolysis, cytopenias, and thrombosis. We report a new PNH diagnosis in a young woman with severe pancytopenia who achieved hematologic improvement on oral iptacopan, requiring dose adjustments for mild liver enzyme elevation.

Case Report: On February 27, 2025, a 38-year-old female patient exhibited symptoms of progressive fatigue, dyspnea, and jaundice. Initial laboratory assessments indicated the presence of severe hemolytic anemia accompanied by pancytopenia, hemoglobin level recorded at 4.7 g/dL, white blood cell count at 1.6×10³/µL (absolute …

Expression And Functional Significance Of The G Protein–Coupled Estrogen Receptor (Gper) In Breast Cancer Subtypes, Sierra E. Vidaurri, Shweta Singh, Valerie E. Ledezma, Rajasekhar Baru, Emma Garza, Francisco Flores, Muhammad Noorani, Shubhank Goyal, Aura Calderon, Alexander Lim, Anupam Dhasmana, Swati Dhasmana, Murali Yallapu, Subhash Chauhan, Diane Nguyen, Sheema Khan

Research Symposium

Background: The G protein–coupled estrogen receptor (GPER) mediates rapid non-genomic estrogen signaling and has been implicated in breast cancer progression and aggressiveness. However, its expression patterns across molecular subtypes and its direct functional contribution to tumor behavior remain incompletely defined. The objective of this study was to comprehensively characterize GPER expression in breast cancer tissues and to functionally validate its role in regulating tumor cell proliferation and migration using genetic modulation approaches.

Methods: GPER expression was evaluated in breast cancer cell lines and patient tumor tissues using immunohistochemistry (IHC), Western blotting, and RT-PCR. Tumors were classified into Luminal A, Luminal …

Clinical Outcomes In Neutropenic Fever At A South Texas Community Hospital In Hispanic Patients., Bharat K. Peddinani, Aura Calderon, Ramon Elizondo-Romo, Elizabeth Mills-Reyes, Everardo Cobos

Research Symposium

Background: Febrile neutropenia (FN) remains a high-acuity complication of myelosuppressive chemotherapy, yet outcomes in Hispanic patients—particularly in South Texas—are underrepresented. We compared outcomes of FN admissions among Hispanic adults with solid tumors versus hematologic malignancies at a community hospital in the Rio Grande Valley.

Methods: We conducted a retrospective cohort study of adult hospital admissions for FN from January 2022 through January 2025. Inclusion criteria were age ≥18 years, FN documented in the emergency department, active chemotherapy for a solid or hematologic malignancy, and Hispanic ethnicity. Of 139 charts screened, 97 met criteria (46 solid tumors; 51 hematologic malignancies). Primary …

From Risk Factor To Cause Of Death: Hypertensive Heart Disease And The Changing Composition Of Heart Disease Mortality In Texas Compared With The United States, 1999–2020, Jose J. Loayza Pintado, Angelica Lopez Jesus, Aura Calderon, Jorge Aboytes Trevino, Daniela Hernandez

Research Symposium

Background: Heart disease mortality has declined nationwide, but Texas continues to experience higher rates than the United States overall. At the same time, hypertensive heart disease (HHD) has become more prominent within cardiovascular mortality statistics. Whether this shift reflects a growing hypertension-driven contribution to the Texas–U.S. gap has not been well quantified. We compared long-term trends in HHD mortality and the presence of HHD on death certificates among heart disease deaths in Texas versus the United States.

Methods: We analyzed CDC WONDER Underlying Cause of Death and Multiple Cause of Death files, 1999–2020, restricted to decedents aged ≥25 years. HHD …

Gper As A Therapeutic Target In Breast Cancer: Pharmacologic Inhibition And Microbiome Associations, Sierra E. Vidaurri, Shweta Singh, Valerie E. Ledezma, Rajesekhar Baru, Emma Garza, Francisco Flores, Muhammad Noorani, Shubhank Goyal, Aura Calderon, Alexander Lim, Anupam Dhasmana, Swati Dhasmana, Murali Yallapu, Subhash Chauhan, Diane Nguyen, Sheema Khan

Research Symposium

Background: The G protein–coupled estrogen receptor (GPER) mediates rapid estrogen signaling that promotes proliferation, migration, and therapeutic resistance in breast cancer, including in hormone receptor–negative subtypes. Notably, standard endocrine therapies may inadvertently activate GPER, highlighting the need for direct targeting of this pathway. The objectives of this study were to evaluate GPER as a therapeutic target using pharmacologic modulators and to determine how GPER-driven tumor behavior relates to tumor microbiome composition across breast cancer subtypes.

Methods: Breast cancer cell lines representing Luminal A (MCF7), Luminal B (BT474), HER2-enriched (SKBR3), and triple-negative (HCC38, MDA-MB-453, MDA-MB-231) subtypes were treated with Ormeloxifene (ORM). …

When A Pain Crisis Isn’T Only A Crisis: Delayed Hemolytic Transfusion Reaction With Hyperhemolysis In Adult Sickle Cell Disease., Bharat K. Peddinani, Conrad Chouinard, Aura Calderon, Maria I. Lopez, Diane Nguyen

Research Symposium

Introduction: Delayed hemolytic transfusion reaction (DHTR) in adults with sickle cell disease (SCD) is frequently mistaken for vaso-occlusive crisis (VOC) or evolving acute chest syndrome (ACS). New alloantibodies may be absent or delayed, so reflex transfusion can worsen hemolysis. Programs now emphasize routine post-transfusion surveillance and a protocolized, transfusion-sparing response when DHTR is suspected.

Case Presentation: A 35-year-old man with hemoglobin SS SCD, hypertension, chronic kidney disease, and recurrent priapism presented with severe left-leg pain two weeks after receiving two units of packed red blood cells for pre-operative optimization. Baseline hemoglobin (Hb) was ~6 g/dL; he was off disease-modifying therapy. …

Seeing The Pattern: Optic Neuritis, Multifocal Mri Lesions, And The Early Diagnosis Of Multiple Sclerosis, Jose J. Loayza Pintado, William Reckley, Aura Calderon, Luis Gaitan

Research Symposium

Background: Optic neuritis is a common neuro-ophthalmic emergency and may be the first clinical manifestation of inflammatory demyelinating disease. In the acute setting, clinicians must rapidly distinguish multiple sclerosis (MS) from important mimics, particularly when optic nerve involvement is accompanied by spinal cord lesions. A structured approach integrating phenotype, MRI lesion distribution and activity, and cerebrospinal fluid (CSF) markers can support timely diagnosis and guide counseling regarding long-term management. We report a young man presenting with unilateral optic neuritis and prior transient neurologic episodes, highlighting a practical diagnostic framework applicable to emergency and inpatient care.

Case Presentation: A 27-year-old man …

Rural–Urban Disparities In Monkeypox-Related Behaviors And Attitudes Among Men Who Have Sex With Men, Patcharaporn Krainara, Benjamas Klahan, Rungrot Jaiyong, Jitti Hanprasertpong

Journal of Health Research

Background: Monkeypox (Mpox) is a global health threat, particularly among men who have sex with men (MSM). Despite the predominance of urban cases in Thailand, rural–urban disparities in Mpox-related attitudes and behaviors remain underinvestigated. This study aimed to compare Mpox-related attitudes and preventive behaviors among urban (Chonburi) and rural (Nakhon Nayok) MSM and identify their influencing factors.

Method: This cross-sectional study was conducted between March and April 2025. A total of  842 MSM (421 urban; 421 rural) were recruited via convenience sampling. Data were collected using paper-based, self-administered Health Belief Model (HBM) questionnaires and analyzed using descriptive statistics and multivariable …

The Waqf (Amendment) Act 2025: Policy, Politics, And Performance, Noor Ameena

Journal of Law and Public Policy

This legislative note examines The Waqf (Amendment) Act at the intersection of religious minority rights and state control. It begins by outlining the concept of waqfs, their significance in the Muslim world, types of waqfs, and modalities of their creation. Providing a brief history of the regulation of waqfs, it highlights the close connection of these Muslim religious endowments with the history of Hindu religious endowments. It evaluates the 2025 legal developments across three key areas: (i) family waqfs, testamentary succession, and gender, (ii) ‘government property’, waqfs, and state appropriation, and (iii) waqf regulation as a potential infringement on religious …

Driving Development: Coalitions, Policies, And Upgrading Brazilian Automotive Technology (1988–2025), Henrique Estides Delgado

Electronic Theses and Dissertations

Among industrial activities in Brazil, the automotive sector generates some of the most significant and multifaceted multiplier effects on the country’s gross domestic product (GDP). The sector integrates activities ranging from raw materials to high-tech services, incorporating advanced technologies that influence innovation and positioning in global value chains (GVCs). Remarkably, this industry has been structured over time by public policies that have decisively shaped incentives for its participants. The world’s largest automotive multinationals have been attracted to operate in the country through varied institutional arrangements involving domestic capital and incentives across federative units. This dissertation analyzes how variations in institutional …

Untitled (Back Cover), Eli Haddad

A Midwestern Review: A Magazine of the Arts and Issues at DePauw University

Eli worries us. He likes explosives and burying himself in the sand. A little dangerous, eh?

Untitled, Amber Bowers

A Midwestern Review: A Magazine of the Arts and Issues at DePauw University

Amber is from Brazil. Yet another Indiana town that wishes it wasn't where it is.

Untitled (Front Cover), Mike Brooks

A Midwestern Review: A Magazine of the Arts and Issues at DePauw University

Mike is currently restrained in the basement of an as yet unnamed greek house. He was unavailable for comment.