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Articles 44461 - 44490 of 5150921
Full-Text Articles in Entire DC Network
Osman Cordon-Osario V. Attorney General United States Of America
Osman Cordon-Osario V. Attorney General United States Of America
2026 Decisions
Agency
Thriving Together: Harmony As A Catalyst For Culture And Care, Sharon M. Weinstein, Marla Vannucci, Katie Boston-Leary, Dina Readinger
Thriving Together: Harmony As A Catalyst For Culture And Care, Sharon M. Weinstein, Marla Vannucci, Katie Boston-Leary, Dina Readinger
Creating Healthy Work Environments (CHWE)
Healthcare organizations are facing mounting pressures, including workforce shortages, increasing patient acuity, and growing operational demands. These pressures have made “work–life balance” an often unattainable goal. This session reframes the conversation, shifting the focus from chasing balance to intentionally creating harmony by design. Drawing on the book Harmony by Design and the principles of Diagnostic Design Thinking, the authors co-created a practical, human-centered leadership approach to strengthen workplace culture. This approach helps leaders diagnose root causes of cultural and operational challenges, co-design meaningful solutions with frontline teams, and align leadership intent with everyday practice.
Rather than relying on top-down strategies, …
Speech-Language Pathologists' Online Discussions Of A Controversial Treatment Approach For Children With Speech Sound Disorders: A Qualitative, Netnographic Study, Rachael Withrow, Tim Brackenbury, Emily Anzicek
Speech-Language Pathologists' Online Discussions Of A Controversial Treatment Approach For Children With Speech Sound Disorders: A Qualitative, Netnographic Study, Rachael Withrow, Tim Brackenbury, Emily Anzicek
Honors Projects
A controversial approach in child speech-sound disorders is nonspeech oral motor exercises (NSOME). NSOME targets the functioning of the articulators in activities that do not involve speaking (such as blowing through whistles, drinking from straws, and pushing the tongue against resistance). The underlying belief of NSOME is that increasing musculature performance and neurological organization through these types of isolated actions will directly improve children’s phoneme productions. However, there is minimal peer-reviewed research evidence to support its use. Despite this, many clinicians use NSOME, citing successes they and their colleagues have had with past and current clients. The use of Evidence-Based …
Cognition Is Not Content: A Structural Account Of Processing Conditions, Griselda Poe
Cognition Is Not Content: A Structural Account Of Processing Conditions, Griselda Poe
Publications and Research
Human cognition has been described in terms of content. This description becomes insufficient once artificial systems make output observable apart from subject attribution, intention, and relational context. Under this contrast condition, what becomes visible is a layered structure in which output, reconstruction, evaluation, and termination do not necessarily coincide. The same input may register as complete under one processing condition while remaining unresolved under another. This separability means that content-based description does not merely omit an additional variable: it can mislocate a processing difference as a difference in meaning, personality, intention, ability, or attitude. This is not a proposal for …
Hybrid Fabrication Of An Electrochemical Electrode Via Inkjet Printing On 3d-Printed Substrates, Md Tawabur Rahman, Jessica Bone, Thomas J. Roussel, Judith L. Jenkins, Aron J. Huckaba
Hybrid Fabrication Of An Electrochemical Electrode Via Inkjet Printing On 3d-Printed Substrates, Md Tawabur Rahman, Jessica Bone, Thomas J. Roussel, Judith L. Jenkins, Aron J. Huckaba
Chemistry Faculty Publications
Combinations of additive manufacturing methods such as inkjet printing and various 3D printing techniques have led to advances in customizable electronic devices by reducing the need for the complex assembly of individually fabricated components. Such combinations are particularly attractive for the fabrication of electrochemical sensing platforms, where the sizes and spatial configurations of electrodes enable (or limit) the sensitivity of the sensors. However, to realize the potential of the combined fabrication methods, the parameters of each printing technique must be mutually compatible. For instance, electrochemical sensing assemblies consisting of inkjet-printed metals on 3D-printed plastics require post-processing steps that convert nanoparticular …
Contests Of Masculinity: The Model Program, Notre Dame, And Collegiate Football, 1945-1972, Brian Michael Burns
Contests Of Masculinity: The Model Program, Notre Dame, And Collegiate Football, 1945-1972, Brian Michael Burns
Dissertations (1934 -)
This dissertation examines how collegiate football functioned as a contested site for defining masculinity and institutional identity in the United States between 1945 and 1972. Focusing on the leadership and interactions of the National Collegiate Athletic Association (NCAA), the National Football Foundation (NFF), and the University of Notre Dame, the project argues that these institutions promoted competing models of masculinity that reflected broader tensions between moral authority, institutional control, athletic success, and social change in postwar America. This dissertation argues that postwar collegiate football did not express a single dominant masculine ideal but instead became a site of ongoing institutional …
Utilization Of Pensi Shell Waste As Hydroxyapatite Composite With Biopolymer From Shrimp Shell And Peg And Its Application, Novesar Jamarun, Nabiila Ayyu Trycahyani, Upita Septiani, Vivi Sisca, Muhammad Refki Novesar, Sri Mulya
Utilization Of Pensi Shell Waste As Hydroxyapatite Composite With Biopolymer From Shrimp Shell And Peg And Its Application, Novesar Jamarun, Nabiila Ayyu Trycahyani, Upita Septiani, Vivi Sisca, Muhammad Refki Novesar, Sri Mulya
Baghdad Science Journal
This study focuses on the synthesis, structural analysis and antibacterial properties of a composite comprising hydroxyapatite (HAp), polyethylene glycol (PEG) and chitosan (CTS). CTS was extracted from shrimp shells, and CaO for Hap was obtained from pensi shell. These composites were synthesized using the sol-gel method in situ by varying the concentrations of PEG (5, 10, 15, 20 and 25%) and CTS (1, 2, 3, 4, and 5%). The synthesized composites were characterized using FTIR, XRD, SEM-EDX, and TGA-DTA analyses, and their antimicrobial activities were also evaluated. The HAp-PEG-Chitosan composite with 5% chitosan and 10% PEG was identified as the …
Isolation And Identification Of Airborne Bacteria Within The University Of Baghdad Campus, Iraq By Using 16s Rrna Gene Technique, Shahad Emad Muheisen, Israa Mohsin Jasim, Fouad K. Mashee Al-Ramahi
Isolation And Identification Of Airborne Bacteria Within The University Of Baghdad Campus, Iraq By Using 16s Rrna Gene Technique, Shahad Emad Muheisen, Israa Mohsin Jasim, Fouad K. Mashee Al-Ramahi
Baghdad Science Journal
This study aimed to identify and classify airborne bacteria in outdoor air within the campus of the University of Baghdad, Iraq, using the passive sampling technique. Air samples were collected from ten sites and analyzed by the 16S rRNA gene sequencing technique. The results revealed significant seasonal differences in both microbial and particulate matter concentrations. Bacterial concentrations were considerably higher during the wet season, with 3238.6 CFU/m3 compared to the dry season, with 1872.6 CFU/m3. PM2.5 levels averaged 47.58 μg/m3 in the wet season and declined to 11.33 μg/m3 in the dry season, while PM10 …
Academic Senate - Agenda, 04/28/2026, Academic Senate
Academic Senate - Agenda, 04/28/2026, Academic Senate
Academic Senate Agendas
No abstract provided.
Dynamic Cushioning Performance And Sustainability Implications Of Recycled-Content Expanded Polyethylene Foams, Jay Singh, Pratish Patel, Emily Recinos, Paulina Goncharov
Dynamic Cushioning Performance And Sustainability Implications Of Recycled-Content Expanded Polyethylene Foams, Jay Singh, Pratish Patel, Emily Recinos, Paulina Goncharov
Industrial Technology and Packaging
The transition toward circular materials in protective packaging requires empirical evidence that recycled-content foams can satisfy stringent shock-attenuation requirements. This study evaluates the dynamic cushioning performance of expanded polyethylene (EPE) foams formulated with 0%, 30% and 40% recycled content under controlled impact conditions following ASTM D1596. A total of 1100 drop tests were conducted across combinations of density, thickness, static load and drop height representative of distribution hazards in parcel and freight supply chains. Peak transmitted acceleration (G) was measured as the primary performance response variable.
Across the configurations evaluated, recycled-content EPE foams exhibited cushioning performance comparable to virgin materials. …
Corey Kendig V. Nicholas Stolar
Corey Kendig V. Nicholas Stolar
2026 Decisions
USDC for the Western District of Pennsylvania
Bridging The Gap: Empowering First-Generation Nursing Students To Transform Workforce Diversity, Kimberly L. Walsh
Bridging The Gap: Empowering First-Generation Nursing Students To Transform Workforce Diversity, Kimberly L. Walsh
Creating Healthy Work Environments (CHWE)
Background/Significance: The U.S. nursing workforce remains insufficiently diverse, limiting culturally responsive care for minority and underserved communities. Nursing education is pivotal to diversifying the pipeline. First-generation nursing students (FGNS)—often from underrepresented backgrounds—can help close this gap, yet they face barriers such as financial strain, limited support networks, and unfamiliarity with academic expectations. Evidence is limited regarding which demographic and academic factors most strongly differentiate FGNS success from that of non-first-generation nursing students (NFGNS) in pre-licensure programs.
Purpose: To examine and compare demographic and academic success factors for FGNS and NFGNS in U.S. pre-licensure RN programs to inform targeted retention and …
Improving Undergraduate Nursing Student Self-Care Agency With The Moodfit App, Sarah C. Young, Susan Patton
Improving Undergraduate Nursing Student Self-Care Agency With The Moodfit App, Sarah C. Young, Susan Patton
Creating Healthy Work Environments (CHWE)
The prevalence of nursing burnout syndrome is estimated to range from 14 to 38% (Ge et al., 2023); North America has the highest rate at 38%. Two systematic reviews and meta-analyses found the global prevalence of burnout syndrome in nursing students ranging from 23 to 35% (Kong et al., 2023, Hernandez-Mariano et al., 2024). Arian and colleagues (2023) found student nurse burnout positively correlates with academic semester. As students progress through each term, burnout risk increases.
The American Association of Colleges of Nursing (2021) includes the demonstration of “…healthy, self-care behaviors that promote wellness and resiliency” (p.53) as an essential …
Exploring The Perspectives Of Nurse Leaders On Motivational Interviewing For Workplace Well-Being, Quinais S. Yu
Exploring The Perspectives Of Nurse Leaders On Motivational Interviewing For Workplace Well-Being, Quinais S. Yu
Creating Healthy Work Environments (CHWE)
Background: Nurse leaders face challenges in supporting staff well-being while managing their own, and effective communication is crucial.
Aim: This study explored nurse leaders' perceptions of factors influencing well-being, challenges they face, the impact of Motivational Interviewing skills, and their training needs in MI.
Methodology: Employing a qualitative, exploratory design, the study gathered insights from nurse leaders in Hong Kong clinical settings through individual semi-structured interviews, analyzed using thematic analysis.
Key Findings: Nurse leaders perceive MI as a valuable tool for effective communication and addressing staff ambivalence towards self-care. They emphasized the need for improved work environments, work-life balance, career …
Factors Influencing Healthy Work Environments For Hospital-Based Nurse Practitioners In The U.S., Hyunmin Yu, Kathryn A. Connell, Sarah Delgado, Heather Brom, J. Margo Brooks Carthon, Amanda Bettencourt, Corinna Sicoutris, Deena Kelly Costa, Vicki Good, Matthew D. Mchugh
Factors Influencing Healthy Work Environments For Hospital-Based Nurse Practitioners In The U.S., Hyunmin Yu, Kathryn A. Connell, Sarah Delgado, Heather Brom, J. Margo Brooks Carthon, Amanda Bettencourt, Corinna Sicoutris, Deena Kelly Costa, Vicki Good, Matthew D. Mchugh
Creating Healthy Work Environments (CHWE)
Background: Nurse practitioners (NPs) are a rapidly growing segment of the U.S. healthcare workforce1,2 and are increasingly integral to patient care in hospital settings.3,4 Despite their expanding roles,5 little is known about the work environment factors that affect their well-being in hospital settings.6 This study aims to explore the factors that influence hospital-based NPs’ healthy work environments (HWEs) and identify strategies to enhance their well-being and support retention.
Methods: This qualitative descriptive study used directed content analysis7 to examine responses from 493 NPs across 264 hospitals in 10 U.S. states with varying scope-of-practice laws. …
Creating A Safe And Welcoming Environment For New Nurses Through Effective Preceptor Training, Heidi Keeler, Jodie Boswell
Creating A Safe And Welcoming Environment For New Nurses Through Effective Preceptor Training, Heidi Keeler, Jodie Boswell
Creating Healthy Work Environments (CHWE)
The purpose of this presentation is to emphasize the critical role of nurse preceptors in supporting new nurses as they transition into clinical practice. It aims to highlight the importance of structured preceptor training to foster a safe, welcoming, and inclusive work environment. This presentation explores the essential role of preceptors in facilitating that transition with the use of the Ulrich Precepting Model. By focusing on the roles of Facilitator, Protector, and Socialization Agent, the presentation seeks to equip preceptors, educators and leadership with the tools and strategies necessary to promote psychological and physical safety, cultural assimilation, and professional growth …
The Role Of Otto In Indecent By Paula Vogel, Ben Turchiarelli
The Role Of Otto In Indecent By Paula Vogel, Ben Turchiarelli
Student Theses
Between December 5th and 9th, 2025, Brooklyn College’s Department of Theater presented Indecent by Paula Vogel, directed by MFA directing candidate Sam Plattus. It was my privilege to play the role of Otto, a member of a troupe of dead actors, tasked with presenting a nearly coextensive play-within-a-play describing the controversial Broadway production of The God of Vengeance, by Sholem Asch. Otto presents several older male characters, including real-life figures; among them author I.L. Peretz, and actor Rudolph Schildkraut. Some of these scenes are depicted in the story as a play-within-a-play-within-a-play, and there are numerous musical interludes throughout wherein Otto …
University Theatre Guild Guide, Maria Perez
University Theatre Guild Guide, Maria Perez
Honors Theses
The WMU Theatre Guild Assistant position is one of the primary assistantships in the Arts Administration department. The Theatre Guild Assistant works alongside Emily Duguay, the Director of Arts Administration, Joan Herrington, the Director of the School of Theatre and Dance, and the WMU Theatre Guild Board to manage their daily operations and help develop donor events. The University Theatre Guild Guide explains the details and processes this position follows. This guide is broken down into four sections. The first section is the Introduction. The Introduction includes congratulations from the past Theatre Guild Assistant and a short breakdown of the …
Academic Senate - Minutes, 04/28/2026, Academic Senate
Academic Senate - Minutes, 04/28/2026, Academic Senate
Academic Senate Minutes
No abstract provided.
The Brief (Edition #45, April 2026), William & Mary Law School
The Brief (Edition #45, April 2026), William & Mary Law School
The Brief
No abstract provided.
High Concordance Of Physician-Attestation With Manual Data Abstraction For Sickle Cell Type: An Ash Rc Data Hub Study, Alexis Thompson, Ashima Singh, Donna Neuberg, Amanda Brandow, Allison King, Sophie Lanzkron, Emily Semmel, Sam Walters, Susan Rogers, Kathleen Torres, William Wood
High Concordance Of Physician-Attestation With Manual Data Abstraction For Sickle Cell Type: An Ash Rc Data Hub Study, Alexis Thompson, Ashima Singh, Donna Neuberg, Amanda Brandow, Allison King, Sophie Lanzkron, Emily Semmel, Sam Walters, Susan Rogers, Kathleen Torres, William Wood
Cardeza Foundation for Hematologic Research
Sickle cell disease (SCD) is the most common inherited blood disorder in the United States. The American Society of Hematology Research Collaborative (ASH RC) has built an SCD Data Hub (DH) to facilitate research and quality improvement using real-world data. To our knowledge, we report here the first analyses from the DH, focusing on cohort demographics and accurate identification of SCD diagnosis type. DH sites have data use agreements with ASH RC to extract and transfer electronic health record (EHR) data at least quarterly. Principal investigators (PI) provided additional attestation of SCD diagnosis based on existing local data sources deemed …
Risk Of Alzheimer Dementia After High-Dose Vs Standard-Dose Influenza Vaccination, Avram Samuel Bukhbinder, Yaobin Ling, Lauren Jhin, Elizabeth He, Kristofer Harris, Mya Rodriguez, Jenna Thomas, Gabriela Cruz, Kamal Phelps, Yejin Kim, Luyao Chen, Xiaoqian Jiang, Paul E Schulz
Risk Of Alzheimer Dementia After High-Dose Vs Standard-Dose Influenza Vaccination, Avram Samuel Bukhbinder, Yaobin Ling, Lauren Jhin, Elizabeth He, Kristofer Harris, Mya Rodriguez, Jenna Thomas, Gabriela Cruz, Kamal Phelps, Yejin Kim, Luyao Chen, Xiaoqian Jiang, Paul E Schulz
Faculty, Staff and Student Publications
Background and objectives: Previous studies, including large cohort analyses comparing vaccinated and unvaccinated adults, suggest that routine immunizations such as inactivated influenza vaccines (IIVs) may reduce Alzheimer dementia (AD) risk. Whether AD risk differs after high-dose IIV (H-IIV) vs standard-dose IIV (S-IIV) remains unexamined. We hypothesized that AD risk would be lower among adults ≥65 years after H-IIV compared with S-IIV.
Methods: This retrospective cohort study analyzed data spanning 2014-2019 from IQVIA PharMetrics Plus for Academics, a US health care claims database. Eligible participants were ≥65 years with ≥2 years of continuous medical and pharmaceutical coverage and no previous diagnostic …
Cross-Sectional Associations Of Metabolically Healthy Obesity, Lifestyle Factors, And Steatotic Liver Disease In Adults From The Fels Longitudinal Study, Ariana L Garza, Audrey C Choh, John Blangero, Cici X Bauer, Stefan A Czerwinski, Miryoung Lee
Cross-Sectional Associations Of Metabolically Healthy Obesity, Lifestyle Factors, And Steatotic Liver Disease In Adults From The Fels Longitudinal Study, Ariana L Garza, Audrey C Choh, John Blangero, Cici X Bauer, Stefan A Czerwinski, Miryoung Lee
Faculty, Staff and Student Publications
Objective: To examine the associations of metabolic health and obesity phenotypes with liver fat accumulation and hepatic steatosis in adults.
Methods: We analyzed 676 non-Hispanic white adults (18-95 years; 55.8% female) from the Fels Longitudinal Study using a cross-sectional design. Participants were classified into metabolically healthy normal weight (MHNW), metabolically healthy obesity (MHO), metabolically unhealthy normal weight (MUNW), and metabolically unhealthy obesity (MUO) phenotypes. Metabolically unhealthy status was defined as the presence of ≥1 metabolic dysfunction, consistent with prior epidemiological definitions; secondary analyses using ≥2 were also performed. Obesity was defined using DXA-derived body fat percentage. Liver fat (%) was …
Serum Metabolites Associated With Depression And Anxiety In The Hispanic Community Health Study/Study Of Latinos, Xinye Qiu, Yu Zhang, Yogesh Purushotham, Qibin Qi, Bing Yu, Jan Bressler, Krista M Perreira, Humberto Parada, Martha L Daviglus, Alejandra Cid Vega, Carmen R Isasi, Linda C Gallo, Tamar Sofer
Serum Metabolites Associated With Depression And Anxiety In The Hispanic Community Health Study/Study Of Latinos, Xinye Qiu, Yu Zhang, Yogesh Purushotham, Qibin Qi, Bing Yu, Jan Bressler, Krista M Perreira, Humberto Parada, Martha L Daviglus, Alejandra Cid Vega, Carmen R Isasi, Linda C Gallo, Tamar Sofer
Faculty, Staff and Student Publications
Omics signatures for psychiatric conditions have been under-investigated. In this study, we used data from a representative observational cohort study of Hispanic/Latino adults to identify serum metabolites associated with symptoms of depression or anxiety and to develop and assess metabolite risk scores (MRSs) of these phenotypes. We conducted a metabolome-wide association study of 768 metabolites with depression and anxiety symptoms, using two separate assay batches measured from baseline samples collected between June 2008 and July 2011 for discovery (batch 1: n = 4002 adults) and replication (batch 2: n = 2178 adults). We estimated the associations via survey-based generalized linear …
Molecular Catalysts For Electrochemical Nitrogen Activation Toward Sustainable Ammonia Synthesis, Jin-Xiu Han, Hao Xue, Xian-Biao Fu
Molecular Catalysts For Electrochemical Nitrogen Activation Toward Sustainable Ammonia Synthesis, Jin-Xiu Han, Hao Xue, Xian-Biao Fu
Journal of Electrochemistry
Homogeneous electrocatalytic nitrogen reduction reaction (NRR) provides a powerful framework to interrogate molecular nitrogen-fixation pathways under mild conditions. By tuning the metal center, ligand architecture, and reaction medium, these systems enable capturing key intermediates and delivering mechanistic insight at the molecular-level resolution. Nevertheless, advances remain constrained by highly reduced operating potentials, intense competition from the hydrogen evolution reaction (HER), limited durability in turnover, and inadequate long-term stability.
In this review, we take electron delivery to the molecular active site as the guiding principle for organizing homogeneous electrochemical N2 activation and transformation. We classify reported systems into direct electron transfer …
Water-Driven Solid Electrolyte Interphase Governs Continuous-Flow Ammonia Electrosynthesis, Peng-Bo Liu, Sheng-Liang Zhai, Ji Huang, Zhong-Shuo Zhang, Jie Zeng, Shao-Feng Li
Water-Driven Solid Electrolyte Interphase Governs Continuous-Flow Ammonia Electrosynthesis, Peng-Bo Liu, Sheng-Liang Zhai, Ji Huang, Zhong-Shuo Zhang, Jie Zeng, Shao-Feng Li
Journal of Electrochemistry
Flow-cell architectures have emerged as a powerful platform for continuous and stable lithium-mediated nitrogen reduction (Li-NRR), enabling ambient-condition electrochemical ammonia synthesis and offering a promising alternative to Haber-Bosch processes. However, Li-NRR is exceptionally sensitive to trace water, and even minor variations in water content can profoundly alter interfacial chemistry. Here, we systematically investigate how initial water concentration affects Li-NRR performance in a continuous-flow cell. Excess water drives the formation of a thick solid electrolyte interphase (SEI) layer, which may impede nitrogen access to metallic lithium and hinder lithium-ion transport. As a result, the ammonia Faradaic efficiency collapses from ~61% to …
Insertion Of Noble Metal Free Cathodic Catalyst Layer With Fe-N-C Catalyst For Boosted Performance Of Pemfc, Shi Zhou, Muhammad Tariq, Asif Nadeem Tabish, Muhammad Salman, Fan-Di Ning, Muhammad Rayyan Tayyab, Ran-Ran Peng, Meng-Geng Hao, Wen-Mu Li, Xiao-Chun Zhou
Insertion Of Noble Metal Free Cathodic Catalyst Layer With Fe-N-C Catalyst For Boosted Performance Of Pemfc, Shi Zhou, Muhammad Tariq, Asif Nadeem Tabish, Muhammad Salman, Fan-Di Ning, Muhammad Rayyan Tayyab, Ran-Ran Peng, Meng-Geng Hao, Wen-Mu Li, Xiao-Chun Zhou
Journal of Electrochemistry
Economical Fe-N-C catalysts are considered as promising alternatives to platinum group metal catalysts for proton exchange membrane fuel cells (PEMFCs). Despite exhibiting robust activity on rotating disk electrodes, their performance within membrane electrode assemblies often experiences limitations, such as decreased O2 diffusion, high H2O2 formation, low proton conduction, and a lower electron transfer number. In this study, key factors, including proton transport, electron conduction, and gas diffusion within air-breathing PEMFCs, have been investigated by adjusting cathode catalyst layer (CCL) compositions. From the experimental results, the optimal peak power density was obtained when the loading of Fe-N-C …
Microarray Analysis Of Human Abdominal Aortic Aneurysm With Emphasis On Cardiovascular Genes Revealed Differentially Expressed Genes, Song Lu, Li Ping Li, John V. White, Xiaoying Zhang, Ifeyinwa Nwaneshiudu, Adaobi Nwaneshiudu, Nectaria Ntaoula, John Gaughan, Dimitri S. Monos, Wan-Lu Lin, Charalambos C. Solomides, Emilia L. Oleszak, Chris D. Platsoucas
Microarray Analysis Of Human Abdominal Aortic Aneurysm With Emphasis On Cardiovascular Genes Revealed Differentially Expressed Genes, Song Lu, Li Ping Li, John V. White, Xiaoying Zhang, Ifeyinwa Nwaneshiudu, Adaobi Nwaneshiudu, Nectaria Ntaoula, John Gaughan, Dimitri S. Monos, Wan-Lu Lin, Charalambos C. Solomides, Emilia L. Oleszak, Chris D. Platsoucas
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
BACKGROUND/AIM: We examined gene expression profiles in abdominal aortic aneurysm (AAA) lesions vs. normal aortas by cDNA microarray and real-time quantitative reverse-transcriptase polymerase chain reaction (qRT-PCR).
MATERIALS AND METHODS: Phosphorus (32P)-labeled cDNA from AAA specimens (mean AAA size 6.65 cm) and normal aortas were hybridized with a 588-gene microarray primarily of the cardiovascular system. The results were validated by qRT-PCR.
RESULTS: A total of 35 out of the 588 genes were differentially expressed, with either log2 ratio of AAAs/controls ≥1 (upregulated; 20 genes) or ≤-1 (downregulated; 15 genes) in AAA lesions vs. normal aorta, and …
Complexity Of The Zero Set Of A Matrix Schubert Ideal, Cesar Julian Meza
Complexity Of The Zero Set Of A Matrix Schubert Ideal, Cesar Julian Meza
Arts & Sciences Graduate Student Theses and Dissertations
T-varieties are normal varieties equipped with an action of an algebraic torus T. When the action is effective, the complexity of a T-variety X is dim(X)−dim(T). Matrix Schubert varieties, introduced by Fulton in 1992, are T-varieties consisting of n×n matrices satisfying certain constraints on the ranks of their submatrices. In this dissertation, we focus on the complexity of certain torus-fixed affine subvarieties of matrix Schubert varieties. Concretely, given a matrix Schubert variety X_w where w∈S_n, we study the complexity of Y_w obtained by the decomposition X_w = Y_w ×C^k with k as large as possible. Building on results by Escobar–Mészáros …
Three Essays In Political Economy, Thomas Ryan Johnson
Three Essays In Political Economy, Thomas Ryan Johnson
Arts & Sciences Graduate Student Theses and Dissertations
Markets, institutions, and borders shape political behavior. Geography influences why markets form, how institutions flourish, and where nations draw borders. As a consequence, empirical studies of political behavior frequently struggle to disentangle spatial effects from quantities of interest. This dissertation makes a methodological advancement in this problem area and conducts a spatial study with these concerns in mind. The dissertation studies bias in spatial regressions, how natural disasters impact political participation, and the political economy of espionage. It introduces a flexible machine learning methodology to mitigate bias in spatial regressions, it identifies spatial and demographic factors associated with changes to …