Digital Commons Network^™

Detection And Quantification Of Allergen Cross-Contact In Shared Frying Oil Using Targeted Mass Spectrometry, Francisca Asigri

Department of Food Science and Technology: Dissertations, Theses, and Student Research

Cow’s milk and egg allergies are prevalent IgE-mediated food allergies that pose significant public health concerns worldwide. Although strict avoidance remains the primary management strategy, unintended exposure can still occur through allergen cross-contact, particularly in commercial and industrial food operations that utilize shared frying oils. The objective of this study was to identify and quantify allergen transfer in shared frying oil and assess the robustness of existing targeted mass spectrometry methods (LC-MS/MS) for detecting milk and egg proteins in heated oil matrices.

Heated oil spikes were developed by incorporating non-fat dry milk (NFDM) and whole egg powder (WEP) into oil …

Arrival Is Not Access, Emmanuel Asamoah

School of Art, Art History, and Design: Theses and Student Creative Work

This thesis presents a group of sculptures and installations that explore how material, labor, and communication shape unequal access in diasporic life. It questions the common belief that movement, visibility, or relocation automatically leads to stability, care, or belonging. In my experience, arrival does not guarantee access. Using clay, steel and found materials, I create tension between softness and control. Many of these materials are worn and discarded. I cut and rebuild them, leaving marks of strain and repair visible rather than hiding them.

Repetition appears through rows of cast faces and a collection of telephones. These forms suggest shared …

Assessment Of Precision Rangeland Management Tools In The Nebraska Sandhills, Hannah K. Allen

Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research

The objective of this thesis is to evaluate tools and management strategies that contribute to rangeland monitoring and livestock distribution in heterogeneous grassland systems of the Nebraska Sandhills. Chapter one reviews relevant literature related to precision livestock management, the Nebraska Sandhills, biomass estimation, and pyric herbivory. The second chapter evaluates the use of fractional green canopy cover (FGCC) derived from the Canopeo mobile application as a rapid method for estimating aboveground biomass in Sandhills rangelands. Biomass samples were collected across topographic positions in both early and late growing season, and relationships between FGCC and clipped biomass were assessed using generalized …

Rhetorical Violence: The Rhetorics Of Women's Counter Political Violence, Kylie Rowland

Department of English: Dissertations, Theses, and Student Research

Protest is omnipresent, and yet not much is known about the efficacy and impacts of its different rhetorical strategies—particularly so for marginalized populations, whose available means of protest are already limited by both material realities and assumptions that govern who and what can make waves. This bind is further exacerbated by gendered and racialized civility politics that determine which bodies can be disruptive and which already are considered “violent.” To address this gap, I turn toward the under-researched rhetorical potentials of marginalized people’s—specifically women and queer folks’—use of symbolic protest “violence,” which works to strategically make evident the larger ongoing …

A Software-Defined Radio Testbed For Mimo-Ofdm Communications, Chaz G. Maschman

Department of Electrical and Computer Engineering: Dissertations, Theses, and Student Research

In this thesis, we implement a testbed for multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems via GNU Radio. Specifically, we implement a configurable framework for the construction of MIMO-OFDM software-defined radio (SDR) systems as a GNU Radio module. The GNU Radio MIMO-OFDM module consists of multiple algorithmic blocks necessary for implementation of a MIMO-OFDM system. This includes a library for the generation of orthogonal or pseudo-random pilot sequences, amendments to the Schmidl-Cox protocol for MIMO synchronization, and the creation of click-and-drag GNU Radio blocks implementing the conversion of arbitrary data sent via external programs to MIMO-OFDM frames, the initial …

Beauty Temples, Courtney Obrien

Honors Program: Senior Projects (Public)

This photo story explores the profound intersection of physical touch, professional craft, and emotional sanctuary within the independent beauty spaces of Lincoln, Nebraska. By documenting the work of practicing hairstylists, a tattoo artist, and a nail technician, the project positions the modern studio not merely as a place of aesthetic enhancement, but as a "Beauty Temple".

At the heart of this narrative is the intimacy of the artist-client relationship. In an increasingly digital world, these practitioners remain among the few professionals whose work requires sustained, purposeful physical contact. Through close-up photography and environmental portraiture, this project captures the steady hands …

Validating Hybrid Simulation Of Restaurant Noise With Real-World Data, Samuel Underwood

Dissertations and Doctoral Documents, University of Nebraska-Lincoln, 2023–

Restaurants exhibit noise levels that vary with occupancy over a typical operating day. When noise levels become excessive, customer comfort is diminished. While many previous works have surveyed noise levels in restaurants over short time intervals, there has been little work to comprehensively examine noise levels over a full operating day, while also tracking occupancy levels and thoroughly measuring unoccupied acoustical parameters. This dissertation work contributes to the existing body of restaurant acoustics work by measuring unoccupied and occupied acoustical conditions in 21 restaurants in the Midwest, correlating user reviews, scores, and crowdsourced noise levels measured in 943 venues in …

A Place To Perform: Designing Spaces For Student Artists Through Event Planning, Ava R. Jacobsen

Honors Program: Senior Projects (Public)

This thesis examines the creation of accessible performance spaces for student artists not enrolled in formal music programs. To address this gap, two First Friday events were hosted at The Gathering Grove in Lincoln, Nebraska, providing platforms for local student performers and engaging the community in live art experiences. The first event, an open mic night, highlighted the challenges of spontaneous performances, while the second, featuring designated performers, tested more structured event planning strategies.

Both events emphasized the importance of marketing, venue layout, audience engagement, and operational organization. Key lessons included the need for contingency planning, multi-channel promotion, and clearly …

Effect Of Novel Antimicrobial Compounds On Fungal And Bacterial Pathogens, Megan Wilderman

Honors Program: Senior Projects (Public)

Antimicrobial resistance is a growing concern in medicine¹ leading to a need for the development of novel compounds. Two compounds were tested in this study, 2-hydroxyethylhydrazine (HEH) and para-nitrophenyl-isocyanide (NPIC). HEH targets phosphatidylcholine (PC) production², and NPIC targets mitochondrial function³. Choline (Cho) is a compound that bypasses the inhibition of HEH through the Kennedy pathway.² Two-fold serial dilutions were conducted in 96-well plates to test the sensitivity of different bacteria to HEH and fungi to HEH and NPIC in different media types. A choline condition was also included in the HEH dilutions to test …

The Relationship Of Concussion And Alcohol Use: An Investigation Into Intervening Cognitive Mechanisms, Alexi Cranford

Dissertations and Doctoral Documents, University of Nebraska-Lincoln, 2023–

Traumatic brain injury (TBI) and alcohol use are common and pervasive issues in society today. Alcohol use is frequently linked with brain injury even in its mildest form, concussion, also known as mild traumatic brain injury (mTBI). The brain’s reward system has been shown to be involved in alcohol and substance use behaviors, and a neural basis has been demonstrated to underlie reactivity to alcohol cues. Learning theories such as classical and operant conditioning can also help conceptualize how these relationships develop. Reward sensitivity and executive functioning (particularly decision-making skills) are cognitive processes that may moderate the relationship between brain …

Interview With Orca Award Winner David Forsythe, Unl Political Science; International Human Rights, Mark A. Griep, David Forsythe

UNL ORCA Interview Series

Prof. David Forsythe was awarded the ORCA in 1982. He was born in North Carolina and earned a bachelor’s in political science from Wake Forest University in Winston-Salem. Next, he earned a master’s and doctorate in Politics from Princeton University in New Jersey. In 1973, he joined UNL as an associate professor of political science and was soon promoted to full professor. In 1993, he became chair of his department and received the Charles J. Mach Distinguished Professorship of Political Science. He has authored, co-authored, or edited about 30 books on was International Human Rights, Law, and Politics, and has …

Unl Authorship And Open Access Citation Impacts After A Decade (2015-2024): A Preliminary Report On Articles Indexed By Elsevier’S Scopus, David C. Tyler, Pei-Ying Chen, Erica Defrain

University of Nebraska-Lincoln Libraries: White Papers

The authors addressed the following research questions:

• Did the articles with UNL Lead Authors produce more citations than articles with UNL Contributing Authors?
• Did OA, as identified by Scopus at the journal and article levels, generate more citations?
• Were citation totals associated with the number of extra-publisher OA avenues?
• Were some publishers associated with higher citation counts than others?
• Did some subjects, by Library of Congress classification, generate more citations than others?

Pearl's Perfect Last Will - Crushed By Infantilism Bias, Edward F. Fogarty Mr

Nebraska Journal on Advancing Justice

No abstract provided.

Dangerous Or Neglected, Amanda Landaverde

Nebraska Journal on Advancing Justice

No abstract provided.

Interview With Orca Award Winner David Hage, Unl Chemistry; Drug-Protein Interactions, Mark Griep, David Hage

UNL ORCA Interview Series

Prof. David Hage was awarded the ORCA in 2018. He was born in La Crosse, Wisconsin, and earned a bachelor’s in chemistry at the University of Wisconsin in La Crosse. Next, he earned a doctorate from Iowa State University and did postdoctoral work at the Mayo Clinic in Rochester, Minnesota. In 1989, he joined UNL as an assistant professor of chemistry and quickly rose through the ranks. He has won many awards and, for the past 13 years, has been the James Hewet University Professor of Chemistry. Allow me to share some remarkable facts about Dave before we get into …

Extending The Geometric Phase To Relativistic Spacetime, Sajid Raihan Akash

Department of Physics and Astronomy: Dissertations, Theses, and Student Research

The Berry phase [3] is traditionally understood as a geometric phase acquired during cyclic adiabatic evolution, often interpreted as the flux of an effective “magnetic field” through a solid angle in parameter space. In this thesis, we investigate situations in which a geometric phase arises even when no spatial solid angle is enclosed, revealing the limitations of the standard purely spatial interpretation. We first review the Berry phase for a spin-½ particle in a slowly varying magnetic field and analyze scenarios in which the system’s eigenstate is changed during the adiabatic evolution. We show that the resulting phase can be …

Sticky Science In Court, H. A. Spitzer

Nebraska Law Review

Litigation routinely employs scientific evidence to aid judicial fact-finding and decision-making. This is especially important in areas like family law, where legal standards—such as the best interests of the child—often depend in part on scientific findings. Yet the legal system’s gatekeeping doctrines (Frye, Daubert, and Federal Rule of Evidence 702) apply primarily to expert testimony, leaving other pathways through which scientific evidence reaches courts largely unchecked. These other pathways include citations in briefs and opinions to non-peer-reviewed or non-scientific sources such as law reviews, treatises, and self-published materials, which often become outdated and are not well positioned …

Let Them All Grow: Protecting Nebraska's Intersex Youth From Medical Intervention, Jori Peters

Nebraska Law Review

The Nebraska Legislature passed the Let Them Grow Act on May 22, 2023, which prohibits minors from receiving gender-affirming care in Nebraska. This Note argues that the Act violates the Equal Protection Clause of the Fourteenth Amendment because it exempts intersex children—those born with ambiguous sex characteristics—from protections against unnecessary, irreversible, and nonconsensual medical procedures, while the Act protects those born with clearly male and female sex characteristics. This Note clarifies the distinction between the issues faced by intersex individuals and transgender individuals, and highlights the psychological and physical harms of early sex assignment surgeries. Further, this Note outlines the …

Carson V. Makin: Ending The Status-Use Distinction And Building A Foundation For The Emergence Of Catholic Charter Schools, Tyler Lyon

Nebraska Law Review

Over the course of its history, the United States has wrestled with a wide variety of issues that have tested the tension between the Establishment and Free Exercise clauses of the First Amendment. One such issue involves the extent to which religious schools can access public funds, which was addressed by the proposal of the Blaine Amendment on a national scale in 1875. The Blaine Amendment was intended to prevent religious groups from accessing public funds, and although it did not pass on a national level, it was adopted by many states.

However, some recent United States Supreme Court cases …

On Sovereignty, Outer Space, And Taxation, Erika I. Scuderi

Nebraska Law Review

This Article offers a comprehensive framework for States’ taxing powers in outer space. Beginning with an analysis of the legal status of airspace and outer space, the study addresses the taxation of commercial space activities, where traditional fiscal approaches of residence-based and source-based taxation break down. The discussion ultimately centers on Article VIII of the Outer Space Treaty, on which basis the present Article proposes the “Tax Jurisdiction by Registration Principle,” arguing that the act of registering a space object provides a legal basis for taxing income derived from its use. In doing so, the Article provides for a potential …

Three Butterfly Genera Across The Central Texas Suture Zone, Qian Cong, Jing Zhang, Jinhui Shen, Leina Song, Nick V. Grishin

The Taxonomic Report of the International Lepidoptera Survey

Genome-scale analyses of butterfly specimens across the Central Texas Suture Zone revealed that several taxa currently treated as subspecies exhibit genomic differentiation similar to that observed between species. Further investigation and genomic sequencing of additional specimens from across the ranges of these taxa support this conclusion and result in the following changes to nomenclature and taxonomy. Two new subspecies of Nymphalidae Rafinesque, 1815 are described: Asterocampa louisa monterra Grishin, ssp. n. (type locality in Mexico: Nuevo León) and Asterocampa clyton plana Grishin, ssp. n. (type locality in USA: Texas, Denton Co.). The following taxa are recognized as species, not subspecies: …

Feasibility Of Using Recycled Waste Plastic In Concrete Pavements In Nebraska, Amasi Hajahja, Jamilla Teixeira, George Morcous

Nebraska Department of Transportation: Research Reports

Waste plastic (WP) is a growing environmental concern due to its non-biodegradable nature, large-scale production, and harmful impact on natural resources. With nearly 75% of WP in the U.S. ending up in landfills, effective recycling strategies are urgently needed. In parallel, the limited availability of natural aggregates highlights the need for alternative materials in concrete construction. This study investigates the feasibility of using recycled waste plastic (RWP) in concrete mixtures, both as aggregates and fibers for rigid pavement applications in Nebraska. Concrete mixtures were prepared by partially replacing natural fine aggregates with recycled plastic aggregates (RPA) at replacement levels of …

Sparks Under Ashes, Ani Sargsyan

School of Art, Art History, and Design: Theses and Student Creative Work

Rooted in hope, reflections on longing, family history, and the contemporary Armenian experience take precedence in Sparks Under Ashes. The title of the show itself derives from my great-grandfather’s notebook, which details his unjust exile during the Great Purge of the Soviet era and other life experiences. His handwriting becomes ingrained in my work as both our marks collide through painting, drawing, and transfer processes to bridge the time between us and celebrate generations of resilience.

Acts of endurance are crucial for Armenia’s survival because attempts of erasure have always been prominent, with the 1915 genocide being the darkest …

The Space Between Seams, Rachel M. Clarke

School of Art, Art History, and Design: Theses and Student Creative Work

Through the use of form, softly muted colors, and play with transparent materials, I create ethereal drawings and immersive installation experiences. I work with the softness in fabric and the controlled detail in drawing. In doing so, I am enveloping myself in the drive to create, pushing the viewer to be spatially aware of their bodies existing in space.

This body of work exists as I am processing the state of my own body. We engage and perceive the world through our bodies. The fabric panels I create call to the porosity and permeability of human skin. The skin contains …

Evaluation Of Publicly Available Maize Germplasm Adaptation To Environments In Nebraska, Garrett Snodgrass

Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research

Publicly available maize germplasm represents an important resource for breeding programs seeking to expand genetic diversity and improve hybrid performance. However, effective use requires characterization of per se phenotypic performance of parental lines and evaluation of the parental line’s hybrid progeny adaptation to a given target population of environments. Furthermore, understanding population structure and heterotic grouping is imperative for maximizing efficiency of breeding decisions. The objectives of this study were to (1) evaluate phenotypic performance of parental lines and hybrids across environments in Nebraska, and to (2) refine heterotic group classification of parental lines within the University of Nebraska-Lincoln’s Hybrid …

Dressing For The Descent: Costume Designing Eurydice, Hannah Olivia Schoen

Johnny Carson School of Theatre and Film: Theses, Student Research, and Creative Work

During the early spring of my second graduate year, I was assigned to be costume designer for the upcoming production of Sarah Ruhl’s Eurydice. Eurydice is a retelling of a narrative that had been mostly given spotlight to the male hero in past iterations. Now we as a design team were going to tell the story from Eurydice’s point of view. After doing an analysis and research into details that would give me ideas on how I wanted to present these characters, I was able to present initial ideas to the director at our first design meeting.The design process …

The Social And Biological Frontiers Of Polio: Comparing Global Eradication Strategies, Srisai A. Turangi

Honors Program: Senior Projects (Public)

This paper provides a comparative analysis of the divergent global strategies for poliomyelitis (polio) eradication, examining the historical and structural contexts of developed nations – the United States and United Kingdom – alongside the enduring challenges in endemic regions such as Nigeria and Pakistan. Biomedical innovations like the Inactivated Polio Vaccine (IPV) and Oral Polio Vaccine (OPV) have helped bring the world to a state of almost complete global eradication, but progress is still uneven due to variations in funding, healthcare infrastructure, and the legacy of colonialism. Studies reveal how a framework where global health inequalities remained, allowed for resource-rich …

Parent-Child Interactions Across Contexts And Children’S Adaptive Classroom Behaviors In Second Grade, Hannah Dalton

Honors Program: Senior Projects (Public)

Adaptive classroom behaviors are important for children’s success in the classroom by supporting their abilities to learn academic concepts and positively engage with peers. Research indicates that parents’ behaviors during interactions with their children are important for their social and academic outcomes, but there may be variance in parents’ behaviors based on their goals for the interaction. The current study examined interaction quality across three parent-child interaction tasks and correlations with their second-grade children’s adaptive classroom behaviors. The sample included 170 second-grade children and their parents who completed three joint tasks: a puzzle task, a homework task, and a conflict …

Comparison Of Analytical Techniques From The Extraction Of Bioactive Compounds From Kratom, Curry, Ginger, And Turmeric, Riley Bruno

Honors Program: Senior Projects (Public)

Plants, herbs, and spices have been used as medicines for thousands of years. Early civilizations often attributed healing properties of plants to magical or divine forces. However, as chemistry and analytical technology advanced between the 16th and 18th centuries, scientists began to understand that bioactive compounds within the plants actually caused these effects. Today, natural products remain extremely important in drug discovery. As the number of newly developed synthetic drugs declines, there has been renewed interest in identifying biologically active molecules from plants. Bioactive molecules are a group of diverse chemical compounds that stimulate a response in living tissues. The …

Sweet Is The Work, Allie M. Wheeler

School of Art, Art History, and Design: Theses and Student Creative Work

Sweet is the Work is a collection of collagraph prints, collages, and sculptural artworks created through a dialogue between surface textures, colors, and imagery, sourced from personal experiences and the home environment that nurtured them. My artwork functions as a visual journal of my memories of living on a family farm in Delta, Utah, in an engaged religious lifestyle. Daily life at home was filled with responsibilities, from sweeping the floor to tending crops and livestock. Tasks like preserving food were guided less by necessity than by tradition. A history of family record keeping inspires my process of documentation. Each …