Background
Feline injection-site sarcoma (FISS) is a rare and aggressive tumor associated with vaccines, drug injections, and skin trauma in cats. The understanding of FISS remains limited, posing challenges in its diagnosis, treatment, and prevention. In this study, we analyzed the differential expression of miRNAs and their target genes in...
Crystals are solid materials with periodic and symmetric molecular patterns. The structure of a crystalline solid determines its properties, making it essential to study its structures. From the principle of minimum energy, a crystal will choose a structure with the lowest free energy F = U – TS. At low...
Onion thrips (Thrips tabaci) are pests found in onion fields of the Treasure Valley, which is located in Eastern Oregon and Western Idaho. Thrips cause damage to this high value crop by feeding on the onion’s extracellular fluid, making photosynthesis more difficult to occur. The feeding from the thrips can...
Semiconductors serve an integral role in our technologies today. However, with new advancements in ultra-fast electronics, we are approaching the fundamental speed limits of traditional silicon-based semiconductors. Silicon-based semiconductors typically exhibit photocarrier dynamics in nanosecond timescales. Transition metal dichalcogenides (TMDs) are 2D materials shown to exhibit photocarrier dynamics in picosecond...
The North American Nanohertz Observatory for Gravitational Waves (NANOGrav) is an international collaboration that seeks to use perturbations in the time of arrivals of pulsar signals to detect gravitational waves in the nanohertz range of frequencies. The 15-year data set will be released as of June 2023. It is a...
Cannabis production has gained popularity over the last 10 years. There is a growing demand for true-to-type grain, fiber, and resin crops. Breeding for homozygous trait development with traditional methods can take as long as 8 years. With dihaploid breeding, homozygosity can be achieved in 2 generations saving breeders time...
There is a growing need to establish alternative approaches for assessing hazard from chemical exposure compared to the traditional method of animal testing. Approaches that relate chemical structure to biological activity are gaining acceptance in the field as in silico methods for characterizing and predicting chemical toxicity. In this study,...
Transparent conductive oxides (TCO) are at the forefront of technology with their uses in
touch screen phones and televisions, solar cells and more. Titanium dioxide and tin dioxide are two TCOs that have been studied in depth on their own, so to further explore these TCOs, this project focuses on...
Cascadia is the physiographic region defined by the active tectonics and attendant geo-hazards of the Cascadia Subduction Zone. In contrast to many other coastal environments in the U.S., geo-hazards along the Cascadia coast are dominated by a tectonic context on the Pacific rim “ring of fire.” Washington, Oregon, and California...
Organic semiconductors are a promising alternative to the traditional inorganic semiconductors, such as silicon. Organics are solution-processable, low-cost, sustainable, and have interesting optoelectronic properties. One such property is the formation of exciton-polaritons, quantum quasi-particles formed by an electron-hole pair in the semiconductor and a photon. This process can be induced...
Naturally, we may assume that group rapport is critical for producing high-quality group performance (such as among work groups, sports teams, or even research collaborators). With this in mind, the purpose of this investigation was to test this assumption by exploring the relationship between self-reported group rapport and group-level social...
Phytophthora ramorum is the causal agent of Sudden Oak Death (SOD), which is an economically and environmentally important disease causing up to 80% mortality of tanoaks in Pacific Northwest coastal forests (LeBoldus et al., 2022). There are currently four clonal lineages in the United States and Europe, named North America...
Brownian motion is the movement of a particle in a fluid resulting from collisions with surrounding molecules. It has modern applications in simulating fluid dynamics and the motion of proteins in biophysics. Brownian motion simulations generally evolve the initial state by applying Newton’s second law to every particle. These simulations...
Sweetpotatoes are a highly nutritious staple crop, playing an important role in global nutritional security. Although the majority of research in the United States (U.S.) focuses on the cultivation of the storage roots, both the leaves and roots are edible. Sweetpotatoes are indigenous to the Andes Region of South America;...
Objective: In 2018, suicide was the leading cause of death for individuals between the ages of 10-24 in Oregon (OHA, 2019) and was the second leading cause of death for this age range in 2020 (OHA, 2021). In 2019, 12% of Black high school students reported a suicide attempt in...
Female dairy cattle are particularly prone to infertility/subfertility with pregnancy rates ranging as low as 27% to a high 40%. On average it takes more than one breeding/insemination event for dairy cattle to become pregnant. This results in a loss of the number of calves a female would have per...
Infertility is an issue affecting millions of women across the globe, yet the causes are not fully understood, and treatment options are often ineffective. The evaluation of reproductive hormones has been a common tool used by fertility clinics as a way to predict the ovarian response to treatment and gain...
Objective: Alcohol and cannabis use and co-use among college students is prevalent in the United States (Bravo et al., 2021). These substances have been linked to poor collegiate academic performance in past research. The present study examines varying levels of single-substance alcohol use and alcohol and cannabis co-use in their...
Giardia and Cryptosporidium protozoans are resilient, zoonotic waterborne pathogens that can bypass water treatment and kill millions of people and animals annually. Giardia and Cryptosporidium cysts and oocysts, respectively, can spread through feces; poor sanitation and poverty can increase the risk for giardiasis and cryptosporidiosis diarrheal diseases. We are currently...
To evaluate and monitor insecticide resistance in onion thrips Thrips tabaci on onion (Allium cepa), we conducted a study using three field populations in the Treasure Valley of eastern Oregon and southwestern Idaho using the insecticides Lannate (methomyl) and Exirel (cyantraniliprole). To evaluate these two insecticides, biological assays were conducted...
Eccentric rate of force development (ECC RFD) is a measure of the rate at which muscles can generate decelerative forces. However, it has traditionally been measured while jumping on force plates, which are not easily accessible or easy to use in a practical setting. With technology advancements it may be...
Polycyclic aromatic hydrocarbons (PAHs) are a known class of chemicals that are linked to a multitude of adverse health outcomes. There are over 1,500 of these chemicals across various families and subgroups. 16 of these PAHs, known as parent PAHs, are identified by the EPA for focused risk assessment within...
Computational statistical mechanics leans heavily on the class of Markov Chain Monte Carlo Algorithms. Many such algorithms exist, and simulations can run for several weeks, making the selection of algorithms a difficult, but critical task. In this work, we introduce a benchmark system of two quadratic wells with an analytical...
With the unique conceptual and mathematical backgrounds of every introductory physics student, there is no way to design a rigid curriculum that anticipates and meets every student’s needs. We can employ machine learning to explore the correlations that exist in the voluminous data from educational settings. That is, institutional, gradebook,...
Freshwater flux from the Greenland Ice Sheet has the capacity to affect regional and global circulation as well as contribute to sea level rise. Outlet glaciers are an important part of this process. They provide pathways for inland glaciers and ice sheets to melt and drain into the surrounding oceans....
This paper is a literature review and analysis of the housing policy known as Housing First. Under said policy, homeless individuals are housed prior to requisite addiction and mental health services. The literature encompasses multiple randomized controlled trials, as well as broader observational studies on Permanent Supportive Housing. The studies...
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).
Pacific Northwest temperate rainforests are anticipated to experience increasingly frequent and severe wildfires in the foreseeable future due to climate change, increased fuel loads, and deforestation. Soil, underlying these forests, is the largest terrestrial carbon (“C”) reservoir. Fire disturbance influences soil C persistence, the timeframe and magnitude of which remain...
Research paper for GEOG323 (Climatology) class describing the effects of physiographic setting, climate elements related to energy, moisture, and pressure and corresponding results on New Zealand's North Island Climate. The paper analyzes major circulation modes, weather patterns and extremes, climate change, and the overall climate type of the region.
The purpose of this inventory is to detail the state of environmental justice in the Mid- Willamette Valley in an up-to-date, centralized format. The inventory is based on information from various government sources, and a survey to gather first-person perspective to take a pulse of the wellbeing of our community....
Testing the many potential chemoprevention agents from dietary sources in animal or human models is expensive and takes a long time. In vitro models can be useful for screening the right compounds to use in larger studies. We tested the MatTek™ EpiIntestinal™ small intestine epithelial 3D cell culture model for...
Volatile organic compounds (VOCs) play an integral role in climate change and as a carbon source for organisms living in a marine environment. These compounds have many sources, but the impacts of biogenically produced VOCs is not fully known. Phaeodactylum tricornutum was studied under axenic ideal growth conditions to determine...
This is the final version of an essay on a student's connection to the land as part of their Writing Intensive Course, Forest Engineering FE460 Forest Operations Regulations and Policy Issues. The theme for the essay is the student's choice, but must include the history of the piece of land,...
Background: The immune response to microbial infections is compromised in beef cattle at parturition. Innate and adaptive immunoglobulin M (IgM) serve as initial antibodies during microbial infection before the generation of adaptive immunoglobulin G (IgG). Selenium (Se) is an essential micronutrient required by all mammals, which can improve immune responses...
Microplastics (<5mm) are a ubiquitous environmental pollutant that have the potential to cause significant harm in many fish species. Therefore, understanding the quantities at which they are being consumed by living organisms is crucial for characterizing risk. There are currently gaps in the microplastic literature regarding microplastic data from finfish...
Soil contains approximately 75% of the carbon pool on land - three times more than the amount stored in living plants and animals (Schlesinger 1999). Therefore, soils play a major role in maintaining a balanced global carbon cycle. Models of the soil carbon ecosystem assume a strong relationship between organic...
Microplastics (<5mm) are a ubiquitous environmental pollutant that have the potential to cause significant harm in many fish species. Therefore, understanding the quantities at which they are being consumed by living organisms is crucial for characterizing risk. There are currently gaps in the microplastic literature regarding microplastic data from finfish...
The COVID-19 pandemic highlighted disparities in land access and food security. Research has shown that access to gardening reduces financial burdens on low-income households. Compared to homeowners, individuals and families in rental housing face added barriers to vegetable gardening and growing food. These barriers include rental housing regulations and the...
This report provides an overview of selected findings from the 2019 NSSE survey completed at OSU. It focuses on two particular subsets of the survey results: Engagement Indicators and High-Impact Practices. The report outlines the insights drawn from the survey to look at the undergraduate student experience at OSU.
The decline of the Chinook Salmon has been a mystery of recent years due to their decline. It has been speculated that wild origin salmon have more vigor and survivability than hatchery reared fish. This is thought to be due to rearing conditions, possibly affecting sensory organ development. The sensory...
The decline of the Chinook Salmon has been a mystery of recent years due to their decline. It has been speculated that wild origin salmon have more vigor and survivability than hatchery reared fish. This is thought to be due to rearing conditions, possibly affecting sensory organ development. The sensory...
STEM education is delivered to K12 audiences by Pre-college Programs across the nation, many of which serve underrepresented and underserved students as part of their core missions. While there is robust attention to STEM curriculum development and college connection events in such programs, few have social-cultural aspects of learning as...
Background: Uterine inflammation (e.g., endometritis) causes negative economic effects in the beef industry by reducing reproductive performance. Current treatments for endometritis in beef cattle involve hormones and antibiotics, which can be expensive and are often ineffective. The endometrial immune response regulates the release of cytokines and chemokines in response to...
STEM education is delivered to K12 audiences by Pre-college Programs across the nation, many of which serve underrepresented and underserved students as part of their core missions. While there is robust attention to STEM curriculum development and college connection events in such programs, few have social-cultural aspects of learning as...
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...