Digital Commons Network^™

Forest Response To Increasingly Frequent Fire And Drought Disturbances, Kevin G. Willson

Biology ETDs

Changes in fire regimes and drought intensity have increased fire and drought severity in southwestern forests, decreasing forest resilience to recent changes in climate. As tree response and regeneration after disturbance are critical for forest persistence, this dissertation assesses ponderosa pine regeneration patterns after high-severity fire, tree growth response to the reintroduction of frequent-fire, and tree growth response to multiyear droughts in fire-maintained and fire-excluded forests. We found that high-severity patch locations were more likely to regenerate when positioned downwind, downslope, and near intact forest. Trees had similar growth responses to first-entry fires and reburns following long-term fire-exclusion. After experiencing …

Tnf Prevents Establishment Of Anti-Tumor Immunity And Elucidates Toxicities Following Myxoma Virus Based Oncolytic Virotherapy, Miriam Beatriz Valenzuela Cardenas

Biomedical Sciences ETDs

Tumor Necrosis Factor Alpha (TNF) can lead to tumor regression through its direct cytolytic activity, yet it has also been implicated to facilitate tumor progression. This scenario complicates the efficacy and applicability of TNF based therapeutics as treatment for malignancies. In the context of oncolytic virotherapy (OV) which uses replicating viruses to treat tumors and acts by triggering production of pro-inflammatory cytokines, exploring such mechanisms is vital. Here we show that a Myxoma based oncolytic virus (vPD1/IL12) can induce large amounts TNF. The presence of TNF in the context of vPD1/IL12 plays a detrimental role both for tumor regression by …

Evaluation Of Electrode Configurations For (0,2) Piezoelectric Ultrasound Transducers, Abdul Qayoum Popal

Mechanical Engineering ETDs

Piezoelectric micro ultrasound transducers (PMUT array) are pivotal in MEMS applications. They typically operate in the fundamental (0,1) acoustic mode and are not significantly researched for higher modes (0,2) and (0,3). Similarly, vibrating mesh atomizers (VMAs) demand the second (0,2) mode and third mode (0,3) for effective aerosol generation, highlighting the need for optimized electrode configurations—a relatively unexplored area. This study presents the first comprehensive analysis of how electrode designs influence PMUT performance in the (0,2) mode for VMA applications.

Utilizing COMSOL multiphysics finite element modeling (FEM) with residual stress considerations alongside experimental validation, we demonstrate that optimized electrode configurations …

Targeting Myeloid Cell Iron Metabolism In Salmonella-Induced Colitis, Mariella Arcos Padilla

Biomedical Engineering ETDs

Salmonellosis is a severe infection caused by Salmonella enterica serovar Typhimurium, leading to significant global morbidity and mortality.

Previous studies have shown that mice lacking the iron storage protein ferritin heavy chain (FTH1) in myeloid cells exhibit worsened Salmonella infection. Nuclear receptor co-activator 4 (NCOA4) directs FTH1 autophagic degradation to release iron from storage during conditions of low iron. However, the role of myeloid NCOA4 in regulating bacterial infections remains unclear.

Here, we found that myeloid NCOA4 deficiency augments spleen iron levels and increases cellular iron accumulation, oxidative stress, and ferroptosis in bone marrow-derived macrophages (BMDM) cells. This deficiency also …

Theory And Algorithms To Learn, Propagate, And Exploit Uncertainty For Stochastic Optimal Control Of Dynamical Systems, Vignesh Sivaramakrishnan

Electrical and Computer Engineering ETDs

Non-Gaussian uncertainty frequently arises in learning and control problems involving stochastic dynamical systems, particularly in autonomous vehicles, UAVs, satellites, and robotics. In this dissertation, we propose a new framework that leverages characteristic functions that provides a frequency-domain representation of random variables. The dissertation is structured into three key areas. First, we address model-based stochastic optimal control for linear systems with non-Gaussian noise, demonstrating that characteristic functions can be used to enforce chance constraints and control systems toward desired distributions. Second, we explore data-driven stochastic control, utilizing empirical characteristic functions to handle systems with unknown disturbances. In addition, we derive several …

Modern Agricultural Servitude: The Modern Farm Worker Experience In The Salinas Valley, Jesus E. Tavarez

Chicana and Chicano Studies ETDs

The prevailing narrative in Chicanx studies focuses on the historical labor activism of the United Farm Workers (UFW) in the 1960s and ‘70s. I am particularly interested in examining the contemporary campesino experience in the Salinas Valley by discussing the history behind Mexican cheap labor, low wages, exploitive work conditions with inadequate healthcare, agrochemical exposure, and historical consciousness of farm workers. I will argue that farm workers are in dire need of a migratory reform as an approach to improve the working conditions of farm workers throughout California. This research aims to shed light on how the multi-billion-dollar agribusiness industry …

The Re-Presentation And Mis-Re-Presentation Of The “Indigenous Woman” Throughout Mexico’S Colonial And Early Independence Periods (1521–1830), Alejandra Daosiri Rodriguez

Art & Art History ETDs

This research examines the visual and textual representations of Indigenous women in colonial New Spain and early independent Mexico (1521–1830), revealing how these images evolved alongside dynamic colonial political, social, and cultural shifts. Through an analysis of codices, portraits, and other material culture, this study demonstrates how colonial authorities, artists, and patrons manipulated these depictions to serve wider colonial agendas, from evangelization to social stratification. These representations often used Indigenous women as symbols, rather than as individual subjects, to reinforce hierarchical colonial structures, shape racial and gender identities, and support efforts to ‘civilize’ the native population. By focusing on pivotal …

Rational Design Of Nanoparticles For Overcoming Barriers Of Nucleic Acid Delivery: Applications In Cancer Therapeutics, Angelea M. Maestas-Olguin

Chemical and Biological Engineering ETDs

The use of exogenous nucleic acid technologies to modulate aberrant protein expression resulting from genetic mutations is a promising therapeutic approach for the treatment of diseases such as cancer. The promise of nucleic-based therapeutics is dependent on the development of platforms that effectively protect nucleic acids from nuclease degradation and deliver the nucleic acids to specific intracellular locations (nucleus or cytosol) of target cells. The application of nanotechnology for development of nucleic acid-based nanomedicines is poised to revolutionize the clinical landscape of cancer. In this dissertation, I demonstrated the rational design, synthesis and evaluation of a lipid coated mesoporous silica …

Dental Hygiene Programs’ Use Of Oral Health Literacy Techniques For Special Needs Patients And Caregivers, Socorro D. Tejeda Diaz

Dental Hygiene ETDs

This study examined oral health literacy communication techniques in dental hygiene programs across the U.S. for special needs patients and their caregivers. The study surveyed 46 U.S. dental hygiene program directors on communication techniques, degrees offered, and subject areas. Two-sample t-tests compared differences in communication techniques between AAS and BAS and subject areas. Most respondents routinely employed printed materials with 2 or 3 concepts, speak slowly, and simple language. When comparing the variances in communication techniques offered in AAS and BAS, we observed a t-statistic of 2.06 with a corresponding p-value of 0.54. This suggests that the mean communication techniques …

The Social Matter Of Opioids: Glitches In Immunity Beyond The Human, Nathan A. Leach

American Studies ETDs

The Social Matter of Opioids: Glitches in Immunity Beyond the Human examines the contemporary opioid crisis and its relationship to capitalism, imperialism, and biomedicine. This dissertation also considers how the twin processes of crisis and racialization relate to how human-opioid entanglements perform and transgress normative anthropological assumptions of difference. Through theories of biopolitics, Black feminism, queer of color critique, and psychoanalytic insight, I argue for a more critical account of the entanglement of humans with opioids where processes of capitalist and imperial crisis produce novel forms of social ontology. I substantiate this by examining speculative tissue economies, interspecies relationality, draconian …

Decision Making And Performance Optimization In Distributed Cyber Physical Networks, Md Sahabul Hossain

Electrical and Computer Engineering ETDs

Cyber-Physical Systems (CPSs) integrate computation, networking, and physical processes, while Cyber-Physical Networks (CPNs) enable communication and coordination among components. With advances in IoT and smart devices, CPSs are increasingly vital for applications such as smart grids, industrial automation, and autonomous vehicles. This dissertation explores decision making and performance optimization in Distributed Cyber-Physical Networks (DCPNs), focusing on efficiency, reliability, decentralization, and security. Using network economic theories (e.g., game theory, contract theory) and machine learning (e.g., Reinforcement Learning, Federated Learning), it addresses key problems: 1) a cost-effective positioning system with Reconfigurable Intelligent Surfaces (RISs) and RL, 2) energy-efficient task offloading in Multi-access …

Training Machine Learning Algorithms For The Transient Startup Of A Long-Life Modular Microreactor, Ahmad N. Shaheen

Nuclear Engineering ETDs

There is an increasing interest in developing and deploying small modular nuclear reactors (SMRs) and micro modular reactors (MMRs). They could be operated with minimal on-site personnel or remotely with a high degree of autonomy. This can be enabled through the use and application of Artificial Intelligence (AL) and Machine Learning (ML) algorithms and methods. The objective of the present work is to train machine learning algorithms for remote control mimicking the transient startup of the Very-Small, Long-LIfe, Modular (VSLLIM) microreactor. This walk-away safe microreactor design and a fully integrated transient model have been developed at the University of New …

Ready, Set, Woes: A Narrative Inquiry Into Special Education Teacher Attrition By Transfer To General Education, Brent G. Collom

Teacher Education, Educational Leadership & Policy ETDs

Despite the prevalence of unfilled special education teaching positions nationwide, it is fair to ask whether there is truly a shortage of special education teachers (SETs). While SETs leave education at high rates, they are almost twice as likely to transfer to general education positions. Many former SETs are employed in schools yet outside of special education.

This narrative inquiry examined the stories of 10 former SETs who transferred to general education. This study found that former SETs continue to identify as teaching special education. Former SETs want general education teachers (GETs) and administrators to have training in special education …

Custom Cathode Optimization For Electropolishing Additively Manufactured 316l Stainless Steel, Kasandra Escarcega Herrera

Mechanical Engineering ETDs

Laser powder bed fusion (LPBF) has become increasingly popular for its ability to rapidly manufacture complex metallic parts. However, the surface properties of as-built LPBF parts may degrade overall performance due to tortuous surface features. Consequently, post-processing like electropolishing (EP) to reduce the surface asperities is often needed for LPBF parts to perform as expected. Utilizing experimental and computational approaches, this project aims to more uniformly EP complex shaped parts made from LPBF 316L. For the experimental approach, parts with a three-dimensional T-shape were printed out of 316L stainless steel and EP using an acidic-based and a polyethylene glycol/NaCl-based electrolyte. …

Ge/Sige Quantum Wells: Material For The Post-Moore Era, Troy Alexander Hutchins-Delgado

Optical Science and Engineering ETDs

This dissertation demonstrates high-quality germanium quantum wells on a 200 mm silicon wafer platform, enabling novel device possibilities. Partnering with a commercial silicon-germanium epitaxy supplier, we obtained shallow, undoped germanium quantum wells with high-crystalline quality, confirmed through x-ray diffraction, secondary ion mass spectroscopy, high-resolution scanning transmission electron microscopy, and energy dispersive x-ray spectroscopy. Hall bar devices fabricated on single quantum wells revealed that surface preparation can tune transport properties while maintaining peak mobilities around 10⁵ cm²V⁻¹s⁻¹. Manganese-germanide spintronic contacts were integrated via solid-state reaction, with contact quality assessed through Schottky diodes, transfer length …

Hypoxia-Inducible Factor 3Α1'S Role In Promoting Iron Loading, Tumorigenesis, And Metastasis In Colorectal Cancer, Luke B. Villareal

Biomedical Sciences ETDs

The interplay between hypoxia and iron metabolism drives colorectal cancer (CRC) progression. This dissertation investigates hypoxia-inducible factor 3α1 (HIF-3α1), a protein linked to poor CRC outcomes, focusing on its roles in metastasis, epithelial-to-mesenchymal transition (EMT), and iron loading via transferrin receptor (TFRC). HIF-3α1 promotes CRC cell migration by upregulating zinc finger E-box binding homeobox 2 (ZEB2) and suppressing N-myc downstream-regulated gene 1 (NDRG1), while TFRC-mediated iron accumulation supports tumor growth and survival. Iron chelation reduced EMT markers, migration, and tumor growth, highlighting iron's critical role. Additionally, HIF-3α1-induced TFRC expression altered nucleotide synthesis enzymes carbamoyl-phosphate synthetase-aspartate transcarbamoylase-dihydroorotase (CAD) and phosphoribosyl pyrophosphate …

Validation Of A Culturally Adapted Neuropsychology Screening Measure Among Older American Indians, Katherine A. Edwards

Psychology ETDs

American Indian (AI) older adults are most at risk of developing Alzheimer’s disease and other dementias in the United States. However, there are no cognitive screening tools validated or normed for AI populations, limiting the diagnostic accuracy of current tools. In this study, a culturally adapted screening tool was adapted for three different sites with older AI adults, and validated against widely used neurocognitive screening measures to determine convergent validity. Results found that adapted story memory scores were significantly higher than unadapted scores. Additionally, culturally salient story memory scores were more consistent with measures of crystalized intelligence, while unadapted story …

Language Use Of Emergent Bilingual Latino/A Students In A Music Class Setting, Karen G. Granados Dumais

Language, Literacy, and Sociocultural Studies ETDs

This study investigated the way in which emergent bilingual students utilize their linguistic repertoire in order to achieve new learning. Previous research has suggested that bilingual students learn differently than their monolingual counterparts due to their varying linguistic repertoires. Research has also suggested that translanguaging and culturally relevant teaching are valuable frameworks to adopt in the classroom, as they result in a better academic experience for all students.

I took an ethnographic approach while conducting a case study. I collected data in my elementary music classroom in the form of observations, audio recordings, and document analysis in order to help …

Bate-Papo + Lunch, Latin American And Iberian Institute, Learning Language Center

LAII Events

Thursday, December 05, 2024 | 03:00 pm - 04:00 pm

Learning Language Center (Ortega Hall)

About:

Bate-Papo (3-4 PM): Dec 5

Come practice Portuguese, make some friends, and try Bazilian snacks!

Notes:

This event is free and open to the public.

Oral History Casey Goodson, Brady Goodson

Oral Histories HIST 300, Fall 2024

Interview of pastor Casey Goodson by Brady Goodson. Discusses elementary education and teaching as well as the work of a pastor.

Teresa Rodriquez Academic History, David L. C'De Baca

Oral Histories HIST 300, Fall 2024

Oral History of Teresa's current academic achievements

Francesca C'De Baca Academic History, David L. C'De Baca

Oral Histories HIST 300, Fall 2024

Francesa C'de Baca current academic and extracurricular achievements as of December 2024.

“Mexico Has Spilt American Blood Upon American Soil!” The Role Of The Mexico-U.S. Border In The Promotion Of American Nationalism, 1821-1920, Jon M. Williams Phd

Sociology ETDs

International borders not only serve as the edge of a nation-state's sovereign territory, but they also aid in informing popular conceptions of its national identity. This study examines how the Mexico - U.S. border served as a spark for episodes of American nationalism from 1821-1920. In examining three historical periods whereby the border was forming, disrupted, or challenged, I demonstrate how borders serve as sources, both symbolically and physically for the expressions of American nationalism. I utilize inductive qualitative discourse analysis of American actors embedded along the border, in Mexico, or serving as political leaders, to sample some of the …

Coph Professors Advocate For First-Gen Students, Dustin Roberto

HSC Newsroom

More than half of U.S. undergraduates are first-generation college students. University of New Mexico College of Population Health professors Claudia Pratesi, PhD, and Tammy Thomas, PhD, held focus groups to learn about first-generation students' experiences. Many students in the groups balance school with caring for family and find systems like financial aid difficult to navigate. The professors are developing recommendations, including peer mentoring and connections to scholarships, and will share findings with university leadership.

Determinants Of Child Care Subsidy Policies In The American States: A Mixed-Method Investigation In The Era Of Covid-19, Hailey Heinz

Political Science ETDs

This mixed-method dissertation investigates policy variation in states’ administration of the federal child care subsidy program (CCDF). The quantitative chapters draw on a 50-state, ten-year dataset to examine associations between state characteristics and CCDF policy outcomes. These analyses conclude that state-level drivers of CCDF policy are distinct from drivers identified in the cash welfare literature, and that drivers vary across dimensions of CCDF policy. The qualitative chapters report results from a comparative case study examining CCDF policy in New Mexico and Nevada from 2010 to 2022. These analyses conclude that the departmental placement of the CCDF program within state government …

Unm Hslic Organizational Chart 2024, David Lucero

HSLIC Organizational Charts

No abstract provided.

A Report Summarizing Hsc Faculty Participants: Ithaka S+R Coordinated Study Making Ai Generative For Higher Education, Laura J. Hall, Robyn Gleasner

Publications

This report presents findings from the University of New Mexico Health Sciences Center’s (HSC) participation in the ITHAKA S+R study Making AI Generative for Higher Education. Seven faculty members from HSC disciplines including internal medicine, pathology, psychiatry, nursing, radiology, and population health were interviewed to explore their perspectives on generative AI (GenAI) in teaching and learning, research and scholarship, and institutional support. A unique theme of “practice” emerged, reflecting how GenAI is influencing clinical care, bench-to-bedside translation, and the preparation of students for future professional practice. The report highlights faculty experiences, ethical concerns, and support needs, offering insight into how …

Proceedings Of The 2024 Child Language Acquisition Symposium For Indigenous Communities, Tamera C. Yazzie, Bethany G. Lycan, Alec J. Goldberg, Kayleigh L. Russell, Melvatha R. Chee

Indigenous Child Language Research Center

The proceedings of the inaugural Child Language Acquisition Symposium for Indigenous Communities, which took place at the University of New Mexico on May 17-18, 2024.

2024 Indigenous Child Language Research Center Handbook, Tamera C. Yazzie, Bethany G. Lycan, Ryan D. Smith, Cormac League, Melvatha R. Chee

Indigenous Child Language Research Center

This handbook is continuously being developed by the Indigenous Child Language Research Center at UNM to provide Indigenous communities with a description of our organization and our research methodologies to aid in their own child language research endeavors.

Identification Of Lncrnas Involved In The Host Response To Venezuelan Equine Encephalitis Virus Infection, Mahgol Behnia

Biomedical Sciences ETDs

Venezuelan equine encephalitis virus (VEEV) is an enveloped positive-sense RNA virus in the alphavirus genus of the Togaviridea family, that causes encephalitis in humans and equids. Currently no FDA-approved vaccine or treatment is available for human use, emphasizing the importance of studying host-VEEV interaction. lncRNAs are regulatory RNAs involved in modulation of antiviral pathways during viral infections. Here we report differential lncRNAs expression in primary mouse astrocytes and neurons during non-pathogenic (TC-83) but not pathogenic (TrD) VEEV infection. We further demonstrated that suppression of four lncRNAs increased TC-83 replication, with lncRNA small nucleolar RNA host gene 15 (Snhg15) increasing TC-83 …