When Charles Guiteau killed U.S. President James Garfield, he claimed that God had ordered him to do so. During his trial, Guiteau’s lawyers plead not guilty by reason of insanity, and the question of Guiteau’s innocence or guilt quickly became a question about the very nature of insanity itself. In...
The science of how people interact socially with robots is still fairly young. One area of ongoing study is how people figure out the way the robot works -- that is, form a "mental model" of the robot. We are especially ignorant of how this happens over time, starting with...
The science of how people interact socially with robots is still fairly young. One area of ongoing study is how people figure out the way the robot works -- that is, form a "mental model" of the robot. We are especially ignorant of how this happens over time, starting with...
This thesis examines Latinx poetry in relation to the September 11th attacks and the reconfigurations of racial structures and the American empire that followed, most notably through the Department of Homeland Security and their agency Immigration and Customs Enforcement (ICE). ICE politically characterizes immigrants as anti-American to perpetuate stereotypes against...
This project explores how science fiction can be used to examine social justice issues in our contemporary world. I will explore two case studies from the Star Wars: The Clone Wars television series through a framework of race, empire, and orientalism. Walidah Imarisha’s notion of “visionary fiction” is utilized as...
Introduction: Youth in foster care face greater rates of trauma and subsequent mental health challenges (Bruce et al., 2009; O’Neill et al., 2012; Seltzer et al., 2012; etc.) that place increased burden on their caregivers (Daniel, 2011; McKeough et al., 2017), suggesting that these specific groups of youth in foster...
The summary and findings of the 2022 OSU student textbook and course materials survey. This survey was run in March 2022 by the Open Education Resources Unit. It is a derivative of the Florida Virtual Libraries 2018 Student Textbook and COurse Materials survey. The survey inquires about student access to...
Collaborative governance plays a significant role in forest management on public land in the Pacific Northwest. The method of governance offers the unique ability to engage a diverse range of stakeholders to reach consensus regarding forest management action. Evaluating the dynamics of the collaborative and its members is essential to...
Heavy metals have historically been popular for use in cosmetics manufacturing due to the colorful pigmentation of heavy metal compounds. In the case of sindoor, a cosmetic used by married Hindu women for religious purposes, mercury sulfide, lead tetroxide, and lead chromate are compounds suspected to still be involved in...
Recent studies have shown that novel continuous dropout methods can be viewed as a Bayesian interpretation of model parameters, though most such studies have shown results using normal distributions. As the posterior distributions over neural network nodes and parameters are intractable, given that they are a result of artificial construction...
The goal of this research was to compare team effectiveness with objective team success as seen through individual team members’ perceptions in academic and athletic teams. We hypothesized that successful teams are most often strong in team effectiveness, that individual perceptions of team effectiveness can differ among teammates, and that...
This dataset aims to display damage induced by calcium oxychloride formation with respect to concrete air void content, and boundary conditions. The purpose of this data set is to complete the data in the paper submitted to Cement and Concrete Composites Journal.
The citation for this journal paper is :...
With the rise of resistant bacterial pathogens, currently prescribed antibiotics are rendered useless. In recent years, marine natural products (MNPs) have emerged as novel sources for drug leads. The ocean is a complex environment where marine animals cohabitate with many, and sometimes harmful microorganisms and viruses, but resist infections. Developed...
This essay is a reflection of my college experiences and that of other undocumented/DACAmented students at Oregon State University and in the United States (Dreamers). It includes a discussion of institutional support, my graduate school experience, lessons learned, plans for my future, and recommendations for institutional leaders at OSU.
Adults with severe and persistent mental illness (SPMI) are overrepresented in the homeless population, and Oregon’s homeless population has expanded in recent years. In the 1950s, the mentally ill were moved out of the state hospitals and into the community. However, due to a lack of support services in the...
The purpose of this research is to provide a simple fabrication method for zinc oxide and antimony sulfide based thin film solar cells. Both a ZnO nanorod electron conducting structure and a stibnite absorber show promise in a solar cell. Initial attempts at using only ZnO and Sb2S3, however, resulted...
Marching band activities consist of both physically and cognitively demanding tasks. The demands that this activity has on players has largely been unstudied. The goal of this study was to investigate the effects of players’ experience level, role, and gender on the workload of marching band players via a field...
Solutions to Einstein's equations are usually found by considering ideal, simplified models. However, if the real world always matched ideal physics models, then farmers would milk black and white spheres. To combat this, Regge calculus was developed as a numerical approximation scheme for general relativity. In Regge calculus curved manifolds...
Standard larval Pacific oyster (Crassostrea gigas) rearing systems can be described as either static or continuous flow. While rearing oyster larvae in static cultures can be a low-cost and simple method, static systems require significant husbandry effort, floorspace and can produce highly variable results due to environmental variance among cultures....
Cytoplasmic dynein is a motor protein complex found in eukaryotes that is essential to many cellular processes. With dynein being involved in mitosis, axonal transport and organelle transport, disruption of dynein function can lead to neurodegeneration and other diseases. The main function of dynein is transportation of cargo through the...
Agriculture Resource Management Plans (ARMPs) are the primary programmatic-level planning document for the management of tribal rangelands in North America. This project compares a standard ARMP product with a prototype ARMP developed through a Structured Decision Making (SDM) approach for the Navajo Partitioned Lands. The SDM approach provided increased transparency...
Signal is a multimedia messaging application developed by OpenWhisper Systems in 2015 which allows its users to communicate securely between one another through the use of a complex encryption scheme. The set of algorithms used in combination to provide the services of the Signal application to their users is called...
The calculation of interplanetary trajectories is a numeric problem which requires a high degree
of precision for the results to be accurate. A computer program was written for this project which
uses leapfrog integration combined with Newton’s method of iterative root finding to find ideal
interplanetary trajectories. Reasonable initial conditions...
We measure the charging and discharging of two organic materials, PCBM and ADT-TES-F. These materials are studied through the noncontact method of particle trapping known as Optical Tweezers, where an IR laser is used to constrain the motion of a coated or noncoated silica sphere while its positional data is...
Traditionally, people learn to perform object assembly tasks by following the steps in a paper-based instruction manual. Using augmented reality (AR) technology, the instructions could instead be computer generated and appear directly within the user’s workspace as they perform the task. Literature suggests AR’s feasibility in improving performance and learning...
This project performs a style analysis of three sentences from three military manuals written across an 80 year time-period. I first discuss the history of style within academic discourse and how it has impacted the study of style within the field of writing and rhetoric. Using this background, I then...
This dataset was created for the purpose of collecting and cataloguing sources that mentioned aspects of cultural diversity or workforce diversity within natural resource professions. The exploratory questions that prompted the collection of sources in this dataset were:
- Is diversity discussed in scholarly sources within natural resources?
- If...
The scientific method applies hypothesis testing to material samples through experimentation, measurement, and data analysis, which produce representations—or features—that describe phenomena of interest. Biomolecular features come in numerous forms such as values, matrices, graphs, three-dimensional structures, trajectories, and molecular surfaces. Researchers have tested thousands of features related to protein molecules...
This work explores the hypothesis that proton irradiation is a feasible alternative to simulate accelerated thermal aging for Ni2Cr long-range ordered phase formation within NiCr and NiCrFe alloys. In this study, various model alloys and commercial alloys 690 and 690+P (0.01 wt.% P) were subject to 2 MeV proton irradiation...
There is a growing need for individualized instructional designs in 4-year institutions due to: 1) growing undergraduate enrollment trends across the U.S., 2) broader diversity in students backgrounds, and 3) the growing prevalence of asynchronous remote learning. With the growth in computer technology in education, tools such as adaptive intelligent...
High purity isopropyl alcohol (IPA) is utilized in silicon wafer manufacturing in cleaning and drying processes. With the ever-decreasing die size, there is an increased need for even higher purity chemicals. This process was designed to further purify a 250,000 lbs/month stream high purity isopropyl alcohol stream for use in...
The environmental impact of the nuclear industry has prompted the need for innovative remediation strategies and accurate radiological assessments. This paper synthesizes three studies that collectively explore the potential of endemic plant species for phytoremediation, the development of anatomically accurate phantoms for precise dosimetry calculations, and the critical evaluation of...
This Jupyter Notebook is intended to accompany the publication "Agrivoltaics align with Green New Deal goals while supporting investment in the US’ rural economy".This reduced-order economic analysis estimates the total construction, operation, and energy storage costs of wide scale implementation of Agrivoltaic Systems in the United States. Additionally, estimates are...
Predicting agronomic rates is important to derive optimum economic and environmental benefits from biosolids fertilizer applications. We conducted this research to 1) evaluate dryland wheat response to biosolids applications over a range of climate zones in the Pacific Northwest and 2) compare agronomic application rates predicted from yield curves with...
Knowledge of the pore solution composition and pore solution resistivity can be helpful for determining the durability of concrete structures. Most notably, pore solution resistivity can be used in the calculation of the formation factor of concrete, which is a ratio of the electrical resistivities of concrete and its pore...
Nonchemical weed control strategies are in short supply in snap beans, particularly strategies that target weeds within the seed row. Recent work demonstrated the limitations of propane flaming and organic herbicides for weed control in stale seedbeds. There was very little improvement in weed control with propane flame or organic...
Drones are being used increasingly in the transportation sector for roadside applications such as surveying, structural inspection, and traffic monitoring, which raises distraction concerns for drivers. This study examines the visual attention of a group of Oregon drivers to determine drones’ potential as distracting roadside elements. Eye tracking data was...
This analysis seeks to (1) establish a typology of the post-medieval ceramics from the Malkin Tower site, (2) determine vessel forms and extrapolate site function, and (3) establish a tentative chronology for the site. Over four hundred post-medieval ceramic artifacts from the Malkin Tower site were analysed via descriptive and...
This paper analyzes macroeconomic variables to determine their effect on the United States’ trade balance. Data on GDP, exchange rates, money supply and the trade balance are adjusted for inflations to get inflation-adjusted variables. This will lead to a regression with the goal of determining which factors explain the variability...
Collaborative decision-making is often promoted as a means to achieve socially acceptable and enduring solutions to natural resource management issues, and one that holds promise for resolving “wicked” problems. However, success rates for implementation of collaborative recommendations are unknown. This paper explores challenges to collaborative salmon fishery management in Prince...
As part of the Botswana Global Learning Internship Program, a qualitative study was conducted regarding the current staffing conditions at the local village health clinic in Maunatlala, Botswana. This was a month-long project conducted over the summer of 2018. Students from Oregon State University lived in the village of Maunatlala...
An understanding of creativity’s emergence is critical as our society faces new challenges. Despite a growing body of research emphasizing nature’s influence on the creative process, we now spend record amounts of time indoors, disconnected from nature. Biophilic design has been afforded as a panacea, with research supporting the incorporation...
Scytalidium ganodermophthorum (Xylogone ganodermophthora) is known as a yellow-pigmenting spalting fungus. However, recent observations have indicated that the dichloromethane-extracted pigment produced by S. ganodermophthorum can vary in color from yellow to green to red to purple, depending on the age of the fungus at harvesting. The timeline and mechanisms behind...
Stream restoration efforts have increasingly started to focus on management actions that restore ecological function rather than focusing on species-specific habitat needs. Restoration practitioners in the Pacific Northwest have implemented numerous large-scale floodplain restoration projects to restore stream function at the valley scale. Some of these projects attempt to restore...
This paper provides a literature review in order to capture the state of the Special Purpose Acquisition Company (SPAC) market, incorporating the most recent research from 2020 and 2021. SPACs are an alternative way to take a company public. Rather than going through the traditional IPO process to access public...
While breast milk is considered the best nourishment for newborns, they have a lowered ability to digest the fat rich liquid due to decreased lipase secretion for the first few months after birth. To offset this, breast milk itself contains Bile Salt-Stimulated Lipase (BSSL) which significantly heightens fat digestion ability....
Succinate dehydrogenase (Sdh) inhibitor fungicides, such as boscalid, are effective for the management of gray mold caused by the fungal pathogen Botrytis cinerea. Unfortunately, resistance to boscalid was common among isolates of the pathogen from small fruits grown in Oregon. Boscalid-resistance is commonly associated with mutations in Sdh, especially in...
Single nucleotide polymorphisms (SNPs) can be used as markers to infer population genetic structure. For Mycoplasma cynos, a pathogen associated with infectious respiratory disease among canines and other animals, SNPs may help to elucidate ecological and evolutionary relationships among the strains that reside in the upper respiratory tract of canines...
Puerto Rico’s climate varies greatly even if it is categorized as a tropical climate. On some parts of the island, there are desert like conditions where rainfall averages 36 inches a year unlike the western side or the central part of the island where rainfall averages 200 inches.1 Heavy rains...
The goal of this project was to estimate the total annual cost of salmon recovery efforts throughout the Columbia River Basin from all stakeholders, including direct and indirect costs. How much is spent on salmon recovery efforts each year in the Columbia River Basin? Depending on who you ask, you...
Terahertz (THz) frequencies of the electromagnetic spectrum have been underutilized when compared to neighboring microwave and infrared frequencies, largely due to the difficulties controlling and detecting these fields. In a step toward gaining control over THz frequencies, my advisor Dr. Yun-Shik Lee’s group experimentally demonstrated optical-pulse THz-control over a plasmonic...
In liquid sodium environments like those proposed for next-generation sodium fast reactors (SFRs), the presence of impurities in the sodium, particularly chemical species containing oxygen, can lead to increased corrosion on sodium-wetted components. It is important to monitor oxygen concentration in the sodium melt, but temperatures of 500 ℃ and...
Previous research on WWII veterans in their 70’s and 80’s has shown that positive and negative appraisals of military service mediate between combat exposure and PTSD symptoms in late life. This thesis extends this research in two ways, first by determining how these variables relate to functional health in later...
While seemingly harmless, stereotypes can play a significant role in prejudice and discrimination. In two studies, we examined stereotypes of Asian American women and how they may vary with different clothing types. We used a mixed factorial design with a sample of college students from a U.S. university. In the...
Industrial Engineering is a broad discipline, with a wide range of definitions for the field and the knowledge areas that make up its parts. A conceptual gap exists between the definition of the field of Industrial Engineering and the definitions of each of these parts. To facilitate advancement of the...
Understanding the causal links between riparian forests, streams, and salmonids is important to help understand the likely effects of forest management practices. Previous studies have identified three major causal pathways (Instream Cover, Light, and Hydrology) through which riparian forests influence streams, and ultimately stream fishes. To evaluate the potential importance...
Any interaction with another person requires some judgement of their characteristics from a short amount of time. Each day a person can interact with many individuals and quick judgments have to be made in each situation to decide how to act or react. This means a person can make hundreds...
Nitrous oxide is an important greenhouse gas that has both natural and anthropogenic sources in the modern atmosphere (Ciais et al., 2013). This project expanded the knowledge of the history of atmospheric N2O in the geologic past by measuring N2O concentrations in air trapped in very old polar ice. A...
Bacterial endophytes have the potential to confer benefits to Douglas-fir ( Pseudotsuga menziesii ), for instance drought tolerance. Bacterial endophytes originating from seeds are especially important. This is because seed endophytes are more likely to be the first endophytes to get established within the young host plant. The goals of...
International development programs are often implemented with the goal of building community resilience, but without a clear articulation of how this goal will be met, or any consideration of if or why the effort was successful after it has concluded. This thesis considers three different activities implemented by the U....
This paper presents a brief discussion on the phenomenon of exercise-induced insulin sensitization, including the effects of exercise on insulin-stimulated glucose uptake and potential mechanisms mediating these effects. Originally created for KIN 481 (Writing Intensive Curriculum course).
It has long been recognized by the legal community that when an immigrant seeks relief from deportation proceedings through the United States’ immigration courts, the proceedings they undertake are best seen as a game of chance depending on the Immigration Judge who is randomly assigned to their case. This thesis...
Local economic development can help lessen the impact of large-scale shocks on small communities as it provides them with resilient systems that do not require as much support from global supply chains. In smaller communities, shared governance, interactive and adaptive planning, and evidence-based policymaking strategies can facilitate resilient systems. The...
This exhibit was designed to increase awareness of the stories and voices of women who are not heard enough in our Oregon history of women’s rights. Systemic white supremacy, racism, and sexism combine to render some women less visible than others in our history. These women might not have been...
The Reconstruction era, beginning in 1863, was a time of radical change and movement in American politics and society. A significant number of northern Republicans migrated southwards, for various purposes, including political involvement. To white Democratic southerners who believed they had just fought a war of northern aggression and now...
The OSU-Benton County Green Stormwater Infrastructure Research (OGSIR) Facility was created to test various methods of stormwater treatment. At this facility, runoff from the Benton County Development Department property is captured and pumped into a bioswale. This bioswale is comprised of layers of rock, gravel, sand, and soil, and is...
Although the concept of breeding crops for organic agricultural systems has been around for decades, few studies have been reported for vegetable crops to quantify and compare how conventional and organic systems differ in their selection pressures on genotypes advancing through the breeding cycle; especially research utilizing modern sequencing capabilities....
This article analyzes how this transition occurred and what significant developments took place that allowed beer and ale to become a tradable and profitable good on the European market. Specifically, it examines the development of brewing as a tripartite progression: (a) that beer and ale were brewed in the 3...
This paper was written for feminist philosophy, and later minimally updated and chosen as a recipient of the Culture of Writing Award through the Writing Intensive Curriculum program.
All of the data was collected at the FIGMENT art festival in New York City on June 23 and 24, 2018. The data was collected through: 1) paper survey for attendees to Guerilla Science activities, 2) short interviews (entry and exit) for attendees to Guerilla Science activities, and 3) short...
Since research data services were first offered within our institutional repository, community interest and dataset deposit counts have both grown steadily. While primarily focused on housing traditional scholarship and publications, the institutional repository also provides a discipline-agnostic storage and access solution for datasets for the university. Given a landscape in...
As fifth generation telecommunications equipment becomes more viable and reliable, demand for high-speed, low-latency, viewpoint specific data analysis is expected to dramatically increase. Systems such as self-driving cars, traffic cameras, warehouses and other commercial buildings will be using fifth generation telecommunications to form ‘smart cities’, driving demand for the edge....
The following text is a consolidated version of the Cakrasaṃvara Samādhi, along with the Guru Maṇḍala, Sūryārgha, Pañcagavya, Guru Pādārgha, Kāybhaḥ Pūjā, Rahasya Pūjā, Kalaśa Pūjā, Vāruṇī Pūjā, Bali Pūjā, Kīgaḥ Tine, and a Pātra Jñāna. The Cakrasaṃvara Samādhi, as has been discussed above, is the primary pūjā and sādhanā...
Instance segmentation, the classification and localization of objects in an image, is a problem in cellular biophysics due to the physiological relevance of cell morphology. Particularly, cancer cells migrate in tissue space by changing their body shape similarly to how humans extend their limbs to swim through water. Monitoring such...
REFEWLS - REnewable Food Energy Water on Land and Sea Nexus
This project will explore the connections between food, energy, and water uses along Oregon's mid coastal regions with a emphasis and focus on Newport. On average Newport uses approximately 2,000,000 gallons of water per day, but in the tourist...
This work is concerned with determining whether nicotine has a role in promoting oxidative damage in human tissue, particularly in lung tissue. This follows from recent reports of a novel lung disease found in some E-cigarette users, characterized by oxidative damage and elevated levels of neutrophils (termed “vaping disease”). It...
Coral reefs have become extremely vulnerable to rising ocean temperatures, with mass bleaching events increasing in frequency and severity. If bleaching events persist annually, models predict that more than 90% of reef species will face long-term degradation. However, recent evidence has shown that corals may be able to thermally acclimate...
The ferlin protein family regulates membrane trafficking events for a wide range of cellular and physiological processes in eukaryotic organisms. Structurally, ferlins are distinguished by containing five to seven C2 domains with a single-pass transmembrane domain at the C-terminus. In mammals, there are 6 ferlin genes, including Fer1L6, which confer...
The nucleocapsid protein (N protein) of the severe acute respiratory syndrome coronavirus 2 is known to play an essential part of the virus’ functions. The N protein can protect and package the large 29,903 nucleotide genomic RNA whilst also interacting with structural membrane protein M and the spike protein S....
The Canada goose (Branta canadensis) monogastric gut is proposed to contain aerobic spore-forming bacteria that produce non-toxin substances that may promote anti-inflammatory immune responses. It is hypothesized that the aerobic bacteria found in samples of Canada goose microflora could have probiotic effects in other avian species or used for commercial...
This work explores the electric field induced strain mechanisms in environmentally benign Bi0.5Na0.5TiO3 (BNT) based piezoelectric thin films. Although BNT-based materials show promise as replacements for toxic Pb-based piezoelectrics, the displacement mechanisms are not consistent between thin films and bulk materials, and the differences have yet to be well understood....
A great variety of topologically protected defects exist in ordinary and exotic states of matter. Some of them are promising candidates for technological applications such as magnetic memory or quantum computers. Others possess some properties of elementary particles that could lead to potential applications in quantum fields. Nematic liquid crystals...
This presentation examines how the Korean War influenced academic life at Oregon State College and later Oregon State University. By profiling students and faculty involved in the conflict, new insights emerged into how war transforms higher education. Three Oregon State perspectives encapsulate the turbulent 20th-century geopolitics of the Korean peninsula....
Otoferlin is a protein that is essential in the process of hearing. Mutations in otoferlin are associated with profound recessive deafness. The long-term goal of the Johnson lab is to understand how otoferlin contributes to hearing and why certain mutations result in deafness. This project sought to characterize the difference...
We report the use of MIL-120 as a water-stable and cost-effective metal-organic framework (MOF) for selectively capturing CO₂ from wet flue gas. Synthesized using inexpensive and environmentally benign reagents in water, MIL-120 possesses one-dimensional pores decorated with hydroxyl-bridged Al(III) ions and benzene rings with an interstitial spacing of 4.78 Å....
This paper was written for GEOG 323 Climatology in the Spring of 2021, and was awarded the Writing in Culture Award within the College of Earth and Atmospheric Sciences.
The COVID-19 pandemic has impacted most institutions and individuals in some capacity, and college students are no different. The unique perceptions and experiences of college students during the COVID-19 pandemic has the potential to be interesting social phenomena that could prove useful for institutions such as universities, governments, and public...
Els grups d’investigació d’arreu del món són cada cop més interdisciplinaris i heterogenis, i generen cada cop més dades. Gestionar amb cura aquestes dades de recerca és complicat, especialment perquè els canvis tecnològics que acompanyen aquestes dades són molt ràpids. La quantitat de dades, els formats en què s’emmagatzemen, els...
This thesis explores interrelationships between the geographical impact of recent hurricanes, rates of giardiasis and cryptosporidiosis in impacted communities, and effects of hurricanes on local water infrastructure systems. I obtained quantitative data on geographical hurricane attributes, demographic characteristics of populations struck by hurricanes, and confirmed cases of giardiasis and cryptosporidiosis...
Legged robots, while advancing quickly, have far to go before they can recover from major disturbances safely and consistently. Reflected inertia, which affects how quickly the actuators can physically respond to an environmental disturbance, and delay, which describes the time necessary for the controller to sense, re-plan, and respond to...
Archaeological investigations at the Cooper's Ferry site in Western Idaho have recovered cultural remains dating to 16,000 years ago, suggesting the oldest human occupation recorded in North America. However, many archaeologists have argued the initial peopling of North America occurred no earlier than the opening of an ice-free corridor between...
Feline upper respiratory tract disease (FURTD) is a complex syndrome that affects domestic cats, with clinical signs including general malaise, ocular and nasal discharge, and oral pathology. Our study compared the presence or absence of five common FURTD pathogens and routine blood parameters between 18 participating cats. Owners tended to...
The forebody wake effect (FWE) is important to consider when designing parachute systems because it can affect parachute performance. Parachutes work by altering the aerodynamic properties of an attached forebody to control a descent. The FWE can reduce parachute drag, causing the system to descend faster than desired. This drag...
As the zebrafish (Danio rerio) becomes increasingly popular as a biomedical model for various laboratory studies, the need for efficient and accurate diagnostic assays for the pathogens that infect it has grown. The most common pathogen infecting laboratory zebrafish is Pseudoloma neurophilia, a microsporidium that has been known to cause...
The canine estrous cycle is unique compared to other domestic animal species. During estrus, serum progesterone concentrations ([P4]) rise two days prior to ovulation. In fact, the luteinization of pre-ovulatory follicles resulting in this initial increase in [P4] (1.5-2.5 ng/ml) cannot be temporally dissociated from the onset of the surge...