Digital Commons Network^™

Guiding Wildlife: Evaluating Wildlife Exit Designs And Sensor Lights For Safer Highways In South Texas, Rupesh Maharjan

Theses and Dissertations

Roadside exclusionary fencing is more prevalent on highways to prevent wildlife-vehicle collisions. Although it can mitigate wildlife road mortality by limiting their access to the road, it can also create a barrier for wildlife stranded within the right-of-way. In State Highway 100 of Texas, the Texas Department of Transportation installed ten wildlife exits to allow wildlife to escape the fenced roadway, and a pair of sensor lights on 13 wildlife guards (WGs) to scare off target species (bobcats and coyotes) from crossing the guards and accessing the roadway. In this study, the effectiveness of three wildlife exit (WE) designs were …

Effect Of An Anti-Hiv Polymer Based Nanoformulation On Immune Mediating Cells Within The Gut Associated Lymphoid Tissue And Its Behavioural Impacts, Blessed Ofori

Theses and Dissertations

This thesis investigates the therapeutic potential of nanoformulated antiretroviral therapy (NF cART) and its implications for HIV-associated chronic inflammation and neurobehavioral outcomes. In the first study, NF cART demonstrated enhanced efficacy in modulating inflammasome activation and reducing viral reservoirs in gut-associated lymphoid tissue (GALT) and the small intestine of HIV-infected humanized mice. Key markers of inflammation (NLRP3, Caspase-1, and IL-1β) and viral replication (LTR and p24 levels) were significantly suppressed with NF cART compared to conventional therapy, though residual LTR expression persisted in the small intestine. In the second study, nanoformulated Emtricitabine uniquely enhanced locomotor activity and reduced anxiety-like behaviors …

Implementing Organic Fertilization Practices To Improve Aloe Vera Growth And Soil Health In The Lower Rio Grande Valley, Isaiah Edward Jaramillo

Theses and Dissertations

Aloe vera (L.) (Aloe) Burm. f., is valued for its applications across the cosmetic, medicinal, and food industries due to its leaf gel. In the aloe industry, the extraction of gel from leaves generates significant quantities of organic waste, which presents an opportunity to repurpose this material as an amendment in aloe cultivation. While Aloe is renowned for its resilience, understanding the feasibility of using these organic shavings as a soil fertility amendment in aloe production is critical. This research aims to identify sustainable fertilization methods for Aloe that can maintain and/or improve crop yield while enhancing soil health. This …

The Heroine Among Us: An Analysis Of The Feminine Principle Of The Heroine Archetype In Motion Pictures And Its Implication For Social Discourse, Neldie Gonzales

Theses and Dissertations

This thesis explores an emerging myth perceived by the rise of the feminine principle in modern society that challenges traditional gender roles. It forms a connection between the heroines seen in film and those in the real-world. It explains how the characteristics of unity, equality and love align to the feminine principle, the acquisition of which defines the archetypal hero along the hero’s journey as described by Joseph Campbell. This work proposes that stories containing this kind of archetypal hero are seeded by the discourse occurring in real-world society. Conversely, it suggests that when viewed by billions of people, blockbuster …

Investigating The Role Of The Estrous Cycle On Memory In Syrian Hamsters, Laura Emma Garcia

Theses and Dissertations

The female reproductive system plays a significant role in cognitive function in humans and animals. For this reason, it is important to study the estrous cycle and memory in the female Syrian hamster as a model to better understand its role on cognition. Like the human female menstrual cycle, the female hamster has inconsistencies and changes in their cycles as they age. Irregular menstrual cycles and the absence of estrogen, the sex hormone necessary for supporting the sexual and reproductive health of a woman, also affect a woman’s brain, including memory (John Hopkins Medicine, 2022). In the present study, we …

3d Bioprinted Coaxial Tubule Optimization For Human Aortic Endothelial Cell Growth, Ilse Gabriela Perez Garcia

Theses and Dissertations

This paper introduces a research study of printing parameter optimization of extruded, cell-laden, 3D bioprinted coaxial tubules, as well as cell interaction observations. Optimization of printing parameters seeks to reduce variability of the tubules’ inner and outer diameters. The tubules were manufactured from a 0.4% Collagen I - 1.6% NaC6H7O6 (Sodium Alginate) bioink, that reaches gelation through interaction with a 3.2% CaCl2 (Calcium Chloride) solution. The bioinks were extruded through a dual syringe pump mechanism connected to a coaxial nozzle, which is mounted on an adapted 3D FDM (Fused Deposition …

Examining Hispanic Beginning Farmers And Ranchers In The Rio Grande Valley Through A Community Capitals Framework, Perla Kimberly Schrock

Theses and Dissertations

While existing literature addresses the experiences of beginning farmers and ranchers (BFR), there is a notable gap in research focused on Hispanic beginning farmers and ranchers (HBFR). This study aimed at exploring the unique experiences of HBFR in a predominantly Hispanic region, the Rio Grande Valley (RGV), employed the Community Capitals Framework (Flora et al., 2016). I conducted 16 semi-structured interviews with HBFR and local nonprofit organizations and federal employees, complemented by participant observations. Through thematic and content analysis of the interview transcripts, findings revealed valuable insights into the livelihoods of HBFR. Despite HBFR facing significant challenges, this study demonstrated …

Challenges And Strategies In Science Learning: A Thematic Review And Meta-Analysis, Angelica A. Guanzon

Theses and Dissertations

This study thoroughly explores the relationships between the challenges faced by students and the alternative problem-solving strategies employed. By analyzing these connections, the research aims to offer a comprehensive understanding of how students address difficulties in science learning and the adaptive strategies they apply. Through this research, teachers can gain valuable understanding in adapting learning resources that successfully address diverse needs of students. By identifying specific challenges and correlating effective strategies, targeted interventions are designed to enhance the overall science learning experience. The study emphasizes the importance of a dynamic and adaptable teaching approach that caters to the evolving landscape …

Assessing Cover Crop Adoption Factors In The Rio Grande Valley Through A Social-Ecological Perspective, Mackenzie Feldman

Theses and Dissertations

Reducing agriculture’s negative environmental impacts is crucial for mitigating climate change (White, 2021). Cover crops– non-cash crops grown to benefit subsequent cash crops– can slow erosion, improve soil health, enhance water availability, control pests, and increase biodiversity. Despite these benefits, adoption rates remain low, prompting the USDA and other organizations to fund research on increasing their use. Most studies focus on the Midwest and Northeast, and emphasize individual factors over the relationship between structural factors and individual factors that impact farmers’ decisions to adopt cover crops. This USDA-funded study begins to fill this gap by exploring social-ecological factors and how …

Recruitment Sources Of Grass Carp (Ctenopharyngodon Idella) In The Great Lakes, Nicholas Steven Etter

Theses

Grass Carp (Ctenopharyngodon idella) is a species of concern in areas they have invaded, such the Laurentian Great Lakes, due to their potential to substantially reduce aquatic macrophyte coverage. Efforts to control Grass Carp in the Great Lakes have primarily been focused on two tributaries to the western basin of Lake Erie (i.e., Sandusky and Maumee rivers, Ohio) where reproduction has been documented, although other Great Lakes tributaries are known to have thermal and hydrological regimes suitable for Grass Carp spawning. Knowledge of sources contributing to the expanding population of invasive Grass Carp in the Great Lakes is key to …

Oh, But If I Had The Stars From The Darkest Night…, Kendra Jean Keefer

Theses

This paper explores how memory and loss interact with a yearning for home in the installation, Oh, but if I Had the Stars from the Darkest Night. Through sound, moving image, photography, mark-making, and poetry this thesis work explores universal themes of exile and migration, alongside the impact the current high stakes political climate had on one LGBTQIA+ teen and their mother, as they leave a home and extended family in North Texas to find sanctuary in Carbondale, Illinois. The natural world of Southern Illinois, with a focus on the lives of local white-tailed deer, becomes a mirror and a …

Second- And Third-Party Punishment In Common-Pool Resource Management, Jacquelyn Spence

Theses

Common-pool resources play a significant role in many economies, especially in developing countries where they are a critical source of food, income, and employment for communities. Long term management of common-pool resources can be challenging because the continued existence of the resource depends upon balancing the rate of resource depletion with the rate of repletion. Effective management of these resources is vital for protecting the environment and preserving the resources for future generations as overuse and degradation can have serious impacts on ecosystems and biodiversity. Elinor Ostrom’s design principles for common-pool resource (CPR) management provide valuable insight into human interaction …

Enhancing Warning Signs Of Mental Health Literacy: Evaluating A Digital Base Intervention For Health Profession Students, Nashwa Ibrahim

Nursing

Background: Despite its importance, Mental health literacy (MHL) among nursing and other health profession students often remains inadequate, potentially impacting their future roles as healthcare providers. This inadequacy can lead to delayed or inappropriate care for individuals with mental health concerns, perpetuating adverse outcomes and increasing the burden on healthcare systems. Aim: To evaluate a digital-based intervention designed to enhance the warning signs of mental health literacy among health profession students. Design: A quasi-experimental, one-group pretest-posttest study design was used to conduct the current study. Methods: A non-randomized trial was conducted using digital mental health literacy intervention about the warning …

Propolis As An Adjuvant For Colon Cancer Chemotherapy: Exploring Its Potential On Apoptosis, Cell Cycle, And Pi3k Expression, Suryani Eka Mustika, Aznan Lelo, Iqbal Pahlevi Nasution, Poppy Anjelisa Hasibuan, Putri Chairani Eyanoer, Muhammad Ichwan, Rustam Effendi, Mustofa

Baghdad Science Journal

Propolis as co-chemotherapy is believed to reduce the severity of chemotherapy's adverse effects. The combination of propolis and chemotherapy is expected to induce apoptosis, arrest the cell cycle, and downregulate the expression of Phosphatidylinositol-3 kinase (PI3K), thereby reducing the proliferation of colon cancer cells (WiDr). The WiDr cells were obtained from the parasitology lab of the medical school at Universitas Gadjah Mada in Yogyakarta, Indonesia. Propolis is collected by beekeepers in Kabanjahe, North Sumatra. Cytotoxicity of the WiDr cell line was tested using the Microculture Tetrazolium Technique (MTT) assay. The therapy group was divided into seven subgroups. The experiment involved …

Syntheses, Characterisation, Thermal Analysis And Theoretical Studies Of Some Imino Ethanone Metal Complexes, Safaa H. Ali, Saad S. Mohammed, Hadi T. Obaid, Sanjeewa Gamagedara

Baghdad Science Journal

The current study is designed to synthesize four new bidentate metal complexes [MCl2L1] M = Co, Cu and L1 = 1,2-Diphenyl-2-(phenylimino)-1-ethanone or [MCl2L2] M = Co, Cu and L2 = 1,2-Diphenyl-2-(p-tolylimino)-1-ethanone. In addition, theoretical study preforms to predict the chemical reactivity and stability of the prepared complexes. Thus, the density function theory (DFT) studies, quantum chemical descriptors like chemical hardness (η), electronic chemical potential (μ), and electronegativity (χ) are considered. Complexes were synthesized in a simple one-pot reaction and chemical structures confirmed by different analysis techniques such as Mass spectra, FT-IR, UV-Vis spectroscopies and thermo gravimetric analysis (TGA). The prepared …

Correlation Between Particulate Matter 10 (Pm10) Exposure Time And Black Dots In Buccal Cells Of Medan Landfill Recycling Workers, T. K. Intan, M. Ichwan, D. Munir, N. N. Soeroso, A. P. Tarigan, Z. Yamamoto, N. C. Siregar

Baghdad Science Journal

This research explores the link between particulate matter (PM10) exposure and number of black dots in buccal epithelial cell nuclei in recycling workers (PDU), at the Medan City landfill, Indonesia. The study aims to identify the correlation PM10 levels, pollutant characteristics at the landfill, the appearance of AgNOR-expressed black dots in PDU groups. The measurements of PM10 exposure were carried out in open landfills in Medan city, and the subject of study is recycling workers who worked in landfills. Buccal epithelial cells were collected using an oral cytobrush smear, and the black dots were examined cytologically. Statistical analysis assessed the …

December 2024 News, Office Of Sustainability

Office of Sustainability Newsletter

No abstract provided.

Vol 69 #6, Melanie Argo

MPLA Newsletter

No abstract provided.

Practicing And Performing Debussy’S Estampes, Yong Mei

Dissertations

Claude Debussy (1862–1918), a leading composer in the French impressionist movement, had a considerable impact on composition in the twentieth century. He wrote masterpieces in genres ranging from vocal music to chamber music to opera and orchestral works. Debussy’s piano works, particularly his four collections—Estampes (1903), Images Books I and II (1901 and 1905), Préludes Books I and II (1909–10 and 1913), and Études (1915)—brought significant innovations to the solo piano repertoire of his time and remain staples over one hundred years later. The purpose of this dissertation is to demonstrate my research for Estampes from various angles, including …

Patterns Of Cannabis Use And Impacts On Communication And Relationship Satisfaction, Johni Mitchell

Dissertations

This dissertation looked at patterns of cannabis use and impacts on communication and relationship satisfaction in couples that have been co-habitating for at least a year. A sample of 299 individual participants aged 21-69 were split into groups to look at concordant (where both partners either used or abstained from cannabis use) and discordant (where one partner used and the other abstained) relationship dynamics. The research revealed significant differences in communication and relationship satisfaction across these groups. Individuals in concordantabstaining partnerships reported higher levels of communication and relationship satisfaction compared to concordant-using couples. The lowest satisfaction levels were observed in …

A Guide To Parole Preparation In New York State, Parole Preparation Project, Michelle L. Lewin

All Categories

No abstract provided.

Msw Portfolio, Dallin C. Ball

Graduate Student Portfolios, Professional Papers, and Capstone Projects

No abstract provided.

Assessing Khumbu Region Glaciers Mass Balance Change Using Geospatial Techniques From 2012 To 2024, Yashvi Jagatbhai Shah

Electronic Theses, Projects, and Dissertations

The glaciers in the Hindu Kush Himalaya are critical for sustaining the water supply of South Asia's major rivers, upon which over 230 million people, both in the mountainous regions and lowland areas, depend. Climate change is driving rapid glaciers melt near the summit of Mount Everest, located at an elevation of approximately 7,906 meters (25,938 feet). This has resulted in glacier thinning occurring up to 80 times faster than the original ice formation. However, due to their disposition in a complex topographic setting and inaccessible terrain, continuous glacier observations pose significant challenges.

This study evaluated the mass balance of …

Señoritas On And Off The Silver Screen: How Chicana Women Organized For Equality And Challenged The Cultural Prison Of Sexualized Media Representations In The First Half Of The Twentieth-Century, Rossandra Paloma Martinez

Electronic Theses, Projects, and Dissertations

This research is personal for me due to lived experience and day-to-day situations where I have felt the pressures of unattainable beauty standards and society’s fluid definition of beauty and femininity surrounding Chicana, Latinas, Mexican, and Mexican-American women. What inspired me to pursue these issues and topics was the work of Dr. Vicki Lynn Ruiz in her book From Out of the Shadows: Mexican Women in Twentieth-Century America. This research focuses on rival and contested images of Chicana, Mexican, Mexican-American and Latina labor advocates and activists from the early twentieth as opposed to sexualized and eroticized packaged caricatures that Hollywood …

Understanding The Rising Use Of Fentanyl And The Impact Social Media Plays, Richard Omar Lopez

Electronic Theses, Projects, and Dissertations

This study examines how social media platforms like Reddit can be utilized to compare the discourse around fentanyl and recreational drug use. A dataset of 2549 personal experience posts were collected on fentanyl and other recreational drug use. Where the methodology included targeted queries, text processing, and natural language process (NLP) techniques such as sentiment analysis and topic modeling. Results indicate that fentanyl related discourse on Reddit was more likely to carry a cautious or neutral sentient, emphasizing its health risks or addiction. Contrasting the more positive sentiment recreational drugs carry, especially marijuana. Finding that Reddit plays a vital role …

Cognitive Differences In Parkinson’S Disease With Amyloid Positivity And Negativity, Kenya Luna

Electronic Theses, Projects, and Dissertations

In Parkinson’s Disease (PD), research has shifted to investigate how biomarkers commonly seen in Alzheimer’s Disease (AD), such as amyloid beta (AB), may be associated with cognitive functioning in PD. AB is considered a reliable biomarker for AD pathology, however in PD there is a lacking biomarker that can accurately reflect severity of cognitive impairment. AD research has shown an association between low AB and cognitive decline, but the data in PD has mixed results. Most studies that analyze cognitive decline and biomarkers do not use a cutoff level and the few that do have a threshold vary greatly in …

Development Of An In Vitro Squamous Metaplasia Model Using Airway Basal Stem Cells, Arash Tahmasbi

Electronic Theses, Projects, and Dissertations

Squamous metaplasia (SM) of the airway epithelium is an abnormal condition that is caused by exposure to airborne toxicants, cigarette smoke, pollutants, and pathogens. Since SM of the airway was first documented in the 1970s, data on this epithelial disease remain limited. More research is needed to fully understand this epithelial disorder and to prevent its progression into severe illnesses such as chronic bronchitis (CB), COPD, and squamous cell carcinoma. We developed 3D models of SM using airway basal stem cells (ABSCs) isolated from lung obtained from postmortem human donors. The ABSCs were cultured at the air-liquid interface (ALI) for …

The Impact Of In Ovo Administration Of Probiotic Lactobacilli On The Gut Health And Immune Competence Of Broiler Chickens, Shreeya Sharma

All Theses

Due to the incomplete development of their immune system, newly hatched chicks are vulnerable to a wide range of pathogenic microorganisms, including enteric bacterial pathogens during the early stage of life. To boost their immune system during this critical period, numerous studies suggest early feeding, either in ovo or immediately post-hatch, of nutrients and immunomodulators such as prebiotics, probiotics, phytobiotics, Toll-like receptors (TLRs) ligands, vitamins and minerals. Probiotics, defined as live, non-pathogenic microorganisms that confer beneficial effects on the host, have been extensively studied for their effects on poultry health. Supplementation of probiotics to chickens has demonstrated a broad spectrum …

Application Of Lossy And Lossless Compression To Dicom Files, Yizhe Yang

All Theses

The Digital Imaging and Communications in Medicine (DICOM) standard is widely utilized for the management, storage, and transfer of medical images. However, the substantial file sizes associated with DICOM data present challenges in terms of storage and data transmission. Data reduction techniques help address these challenges by minimizing the size of the data while preserving its integrity. This thesis examines various compression methods aimed at reducing the size of DICOM files. We evaluate five lossless compressors and four lossy compressors on DICOM data to compare and assess their performance. Through an analysis of each compressor’s compression efficiency and resulting image …

Life Cycle Assessment Approach For Energy Usage In Animal Rendering Plants, Abel Binoy Mathew

All Theses

The animal rendering industry plays a crucial role in transforming waste products from livestock production and meat processing facilities into valuable and economically beneficial products, promoting both resource efficiency and sustainability. This study uses a life cycle assessment (LCA) approach to evaluate energy usage and greenhouse gas emissions in animal rendering plants, focusing on electricity and natural gas as the main energy inputs for plant operation. This research examines three distinct rendering facilities, each processing different raw materials, to quantify the environmental impacts of rendering operations. Site visits, data collection, and real-time monitoring were used to capture energy use across …