Metabolic syndrome, characterized by a collection of risk factors including abdominal obesity, insulin insensitivity, elevated plasma triglycerides, hypertension and low plasma high-density lipoproteins (HDLs), is a major contributing factor to the development of cardiovascular diseases and type II diabetes (T2D). Xanthohumol (XN), a flavonoid isolated from Humulus lupulus cones, has...
Over 70% of the Antarctic krill population exists along the Antarctic Peninsula, a region undergoing rapid climate change. Recent studies have shown a clear correlation between krill recruitment each spring and the timing and coverage of sea ice the winter before, with less sea ice and a shorter duration being...
Weight bias has dramatically increased over the last 20 years
and is as prevalent as bias based on race and gender. The
media is a primary source of weight bias according to a review
of weight-related content within newspapers, popular press
books, television, and movies. Bias is perpetuated through
messages...
An analysis on the work of Tim O'Brien's "The Things They Carried" and his ability to create powerful imagery and contextualize the unknown of war for the those who have never taken part.
--Vietnam Experience Final Paper
Autism and Alexithymia are two disorders characterized by deficiencies in interpersonal and emotional processing. For example, both of these disorders are associated with deficits in the ability to identify and judge the emotions of others. For diagnosis, patients are typically assessed for such deficiencies using published tests of emotion perception...
Autism and alexithymia are two disorders characterized by deficiencies in interpersonal and emotional processing. For example, both of these disorders are associated with deficits in the ability to identify and judge the emotions of others. For diagnosis, patients are typically assessed for such deficiencies using published tests of emotion perception...
This work prepared YInMnO3, YCuTiO3, and YInFeO3 solid state pigments via microwave synthesis. The microwave-prepared pigments contain optical and structural properties similar to their furnace homologues. Overall synthesis times for each pigment have been significantly reduced via microwave synthesis, while keeping the same relative phase purity as solid-state.
Background: The Wave~Ripples for Change: Obesity Prevention in High-School Soccer Players research project is a 5-Y USDA funded project focused on building healthy nutrition, physical activity and life skills for healthy weight maintenance. The intervention includes providing face-to-face sport nutrition, physical activity and life- skills lessons, assessments of body composition,...
Warm, high pressure systems are measured from a weather station on a high elevation peak in the Oregon Coast range during the winter months. Temperature observations on Mary’s Peak show abnormally warm air in relation to the surrounding areas. The goal of this study was to characterize the frequency and...
One of the surprising things about the 2016 presidential election was how much each presidential candidate was disliked. In this historic election, questions about whether voters made their decisions by supporting their candidate or voting against another have arisen. Studies have been done in the past that examine which traits...
This study evaluated the memory and visual discrimination capabilities of Enteroctopus dofleini, the Giant Pacific Octopus. Octopuses have been known to have advance sensory capabilities and through this study we challenged our specimen to remember and actively choose a specific patterned jar based on a visual pattern and positive reinforcement....
Visual working memory (VWM) allows us temporarily hold images in our minds and manipulate them. As an example, you can remember a face you just saw, or try to imagine how a room would look with a different arrangement of furniture. Previous studies have shown that individuals with low VWM...
Vibrio cholerae is a gram-negative gammaproteobacteria, well
known for causing the watery-diarrheal disease Cholera. V. cholerae is
endemic to the marine and freshwater ecosystems of India and
surrounding aquatic environments within that region. Primary
reservoirs include brackish water and estuaries. The primary symptom
is rapid dehydration due to watery diarrhea....
The Mount Thompson 7.5 Minute Quadrangle is located in the central Boulder Batholith, between the cities of Butte and Helena. The Boulder batholith is host to numerous metalliferous vein deposits, including those in the Butte District. Recent USGS (EDMAP)-funded geologic mapping at 1:24,000 scale in the Mount Thompson Quadrangle during...
Due to public and regulatory restrictions, genetic containment technology is critical for research and development of transgenic trees in forestry. A multi-year field trial demonstrated that the RNAi-LFY construct successfully induces sexual sterility in 6K10 poplar (Populus alba) without visible effects on vegetative development. However, its limited number of replicates...
As juvenile salmon migrate from freshwater into saltwater, physiological changes must occur to allow fish to osmoregulate in the marine environment. Juvenile spring Chinook salmon migrate to the ocean at different time periods, most notably in the fall (August – November; i.e. fall smolts) and spring (February – May; i.e....
The ritualized courtship of the Red-legged salamander, Plethodon shermani, has been studied extensively. Males and females possess brightly colored red legs, but little is known about the implications of this coloration on mate choice. An alternative hypothesis is that coloration may be used as a warning signal to predators. Animals...
Marine mammals use acoustics for many life functions, including communication. Male fin whales produce a call around 20 Hz and the pattern of a series of calls can vary based on the individual, geographic region, and season. I examined the variation between songs in fin whales. A glider was deployed...
Vitamin D sufficiency supports cardiovascular health and lower cancer risk. Rates of vitamin D insufficiency vary by racial/ethnic group, in part because skin pigment limits sunlight penetration. However race/ethnicity is an unreliable marker of vitamin D deficiency, given individual differences in skin pigment, or phototype, and other characteristics. Clarifying associations...
Diet History Questionnaires (DHQ) can only provide general information about a person’s nutritional intake. It is unable to cluster groups of people based on diets or lifestyles, nor identify specific foods that may play a role in disease prevention. The aim of this study was to validate the use of...
Microbial electrolysis cells (MECs) for hydrogen production exhibit great advantages over many other biohydrogen production techniques in terms of versatility of substrate and hydrogen yield. However, hydrogen scavenging by methanogens put forward a great challenge to the application of the single chamber MECs when using mixed culture. Various strategies were...
Microbial electrolysis cells (MECs) for hydrogen production exhibit great advantages over many other biohydrogen production techniques in terms of versatility of substrate and hydrogen yield. However, hydrogen scavenging by methanogens put forward a great challenge to the application of the single chamber MECs when using mixed culture. Various strategies were...
Glioblastoma Multiform
• Type of aggressive brain cancer
• Five year survival rate of 4.70%
• Not often detected until it’s in the later stages when
the symptoms appear
• Surgery is not an effective option due to invasion and
proliferation of glioblastoma cells outside of the tumor
mass before...
Postpartum uterine inflammation (endometritis) is not uncommon in beef cattle, resulting in infertility and culling. Prolonged calving may contribute to the increased incidence of endometritis in heifers. Commonly used methods to treat endometritis in beef cattle include intrauterine antibiotics and/or hormone injections, which can result in meat residues. Platelet rich...
Children with disabilities engage in fewer social interactions than their typically developing peers (McConkey et al., 2013). The lack of social invitations may lead to many negative outcomes in the future, including poor academic performance and aggressive-disruptive behavior (Odom, 2006). Preschool-aged children (3-5 years old) without disabilities are aware that...
High resolution images of a dim companion in a binary star system can be obtained using a Digital Micromirror Array (DMA) as an optical mask. Imaging can be problematic because the intense light from the main star can saturate the detector and leave the companion unnoticed. Placement of the DMA...
Canine Transitional Cell Carcinoma (TCC) makes up 2% of all canine cancers and is the most common cancer of the bladder for dogs. Usually diagnosed in its later stages, TCC is difficult to treat, with low survival times. Current diagnosis involves invasive techniques, and mainstream screening tests are often ineffective....
Birds of prey and carnivorous mammals feed on small birds, rodents and other small mammals. Humans perceive many of the prey animals of these predators as well as the predators themselves, as “pests”, and seek to control them. Control methods for these unwanted pests, particularly rodents, have the potential to...
Cascadia’s 1700 earthquake generated a tsunami and widespread subsidence along Pacific Northwest coastline. The tsunami deposited sandy sediments in many Oregon coastal estuaries, such as Alsea Bay. Although the recurrence of subduction-generated megathrust earthquakes and tsunami events in this region are recorded in the stratigraphy, knowledge of the full inland...
Columbia Glacier, Alaska’s most rapidly retreating body of ice, provides a compelling insight into the fragile state of tidewater glaciers worldwide. Catastrophic retreat of the glacier’s terminal ice margin began in 1978 when contact was lost with its stabilizing terminal moraine shoal. Since this time, Columbia Glacier has lost ~20...
We compiled Western Pond Turtle (Actinemys marmorata) and Painted Turtle (Chrysemys picta) locations in northwestern North America, consolidating data from multiple sources including nine U.S. State and Canadian Provincial jurisdictions. We assessed numbers of discrete locations, and analyzed distribution patterns temporally and spatially. Western Pond Turtle observation records ranged from...
Gene expression in plants (and other eukaryotes) is a very complex process. Gene expression is primarily controlled by proteins and their binding sites near the gene in the chromosomal DNA. More specifically, interactions among transcription factors (DNA-binding proteins) and cis-regulatory modules (CRMs-sets of binding sites) control the expression of nearby...
Cancer is a hard disease to control because of its ability to spread to different parts of the body. Cancer cells can spread out from a primary tumor to distant organs which gives rise to new cancer cell colonies and more tumors over time. This process is known as metastasis...
Self-disclosure is a complex process that impacts social, cultural, and individual contexts of people’s lives. Under ideal circumstances, disclosure strengthens social bonds, enhances intimacy in relationships, and fosters a more unified sense of the self. Disclosing information about a stigmatized identity, however, is associated with a variety of risks and...
Multivariable functions permeate physics, mathematics, and other sciences. Understanding how quantities in multivariable relationships change together – or co-vary – is important for studying physical systems. In this project, we asked junior-level physics majors to describe the covariation of quantities in a multivariable context given a 2D graph. We identified...
In 1877 John Kerr described an experiment that demonstrated a quadratic change in refractive index in a plate glass placed in a strong external electric field. This results in a nonlinear relationship between the average electric polarization within the materials and the intensity of the applied electric field. This opened...
Native to the Pacific Northwest, Ceratomyxashastais a myxosporeanparasite that infects wild and cultivated salmon and has a significance impact on its population in the Klamath River basin. The study suggests that the transmission of mixed genotypes of the parasite are common in Chinook salmon but the age of the fish...
Stringhalt is a disorder in horses characterized by high stepping with hyperflexion of the hind limbs. This disorder has been reported from the US, Australia, Chile, and Brazil. In most instances, the disease manifests itself in horses exposed to summer dandelion (Hypochaeris radicata). Stringhalt has been induced by feeding summer...
There exists a growing need to establish a better in vitro model for evaluating PAH toxicity and carcinogenicity and to improve assessments of risk to human health, especially to the complex mixtures that exist in the environment. Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous environmental contaminants due to the incomplete combustion...
There exists a growing need to establish a better in vitro model for evaluating PAH toxicity and carcinogenicity and to improve assessments of risk to human health, especially to the complex mixtures that exist in the environment. Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous environmental contaminants due to the incomplete combustion...
Rectial Program
| Scherzo - Oleg Miroshnikov
| Syrinx - Claude Debussy
| Bachianas Brasileiras No. 6 - Heitor Villa-Lobos (Feat. Kaleigh Hull on flute)
| Turkisher March - Christian Julius Weissenborn (Feat. Annie Kosanovic-Brown, Andrew McKelvey on bassoon)
| Pizzicati Polka - Leo Delibes (DeArr. Mark Eubanks) (Feat. Annie...
By alloying face centered cubic CaSe with orthorhombic SnSe, we created the heterostructural alloy
Sn1-xCaxSe. The phase separated lms created with a high deposition temperature acted as highly crys-
talline SnSe while the low deposition temperature lms acted as a mix of SnSe and CaSe. For the alloyed
lms we...
In rapid serial visual presentation, identification of the second of two targets is impaired when it closely follows the first target. This phenomenon is known as the attentional blink (AB) effect. Awh and his colleagues (2004) found that face discrimination was immune to AB when performed together with a digit...
In rapid serial visual presentation, identification of the second of two targets is impaired when it closely follows the first target. This attentional blink (AB) effect suggests limited capacity in processing successive visual stimuli in working memory. Awh et al. (2004) found that face identity Target 2 was immune to...
Flour aging is thought to occur naturally during storage of wheat flour. In soft-wheat it is hypothesized that aging may increase water absorption properties of the flour. The aim of this study was to determine if the absorption capacity of flour changes as a response to flour aging. Absorption was...
As part of an HHMI funded research project, I showed that overexpression (OE) of actin (ACT2) in Arabidopsis thaliana alters the expression of genes involved in plant immunity. Others have previously shown that knockout (KO) mutants of actin depolymerizing factor 4 are affected in the same gene as ACT2-OE. For...
The research revolves around membrane-assisted electrolysis to recover caustic soda from alkali processing. This research began with the lab having no experience in electrochemistry and thus conducting initial experiments to begin to understand electrochemical systems. The lab then looked at both gas production and anodic fouling behavior. The lab then...
Vibrio cholerae (Vc), the etiological agent of cholera, has developed many mechanisms to combat the great fluctuations in pH, ion content and osmotic conditions of the vastly differing environments it encounters through its infections of the human host. A series of cation antiporters are found in the Vc membrane to...
Evidence-based interventions are considered to be the most successful interventions used in public health. They have the research to support their potential success when implemented by an organization. Evidence-based interventions are created and tested, then are implemented by a variety of organizations in various geographic locations, including non-profit organizations, public...
Toxicological studies show that oral doses of nickel can cause allergic contact dermatitis, and routes of exposure, such as nickel leached from stainless steel cookware are not well characterized. In this study, four variables: grade of stainless steel, cook time, stainless steel seasoning or cooking cycles, and commercial tomato sauces,...
Monitoring the concentration of phenolic compounds is important for environmental regulation, health diagnostics, and bioenergy fermentation. Vanillin is a phenol compound used as a food flavoring that can cause allergies and inhibits biofuel production. The phenol m-cresol is a toxic compound that is regulated in the environment and in human...
Yaquina Bay, Oregon, has been introduced to a few The invasive species in Yaquina Bay, Oregon can have a huge effect on the native species and local ecosystem. European green crab (Carcius maenas) is an invasive species. The European green crab can be found on the mudflats competing with the...
This research looks at the demographics, industry, and land use shifts over the past decades in the John Day Region of Eastern Oregon in order to better understand the shifting rural community in the United States. Census data was collected and analyzed to describe the shift. Published literature and interviews...
This study aimed to investigate if diversity exists among faculty members in (20) twenty universities in sociology, political science, and chemistry departments situated in a variety of cities on the American West Coast. By conducting a content analysis composed of official university websites and individual Curriculum Vitae, each listed faculty...
During volcanic eruptions ascending magma undergoes decompression, resulting in a decrease of dissolved H2O. This creates unstable conditions for the hydrous mineral amphibole. As a result a reaction rim forms from anhydrous minerals such as pyroxene, plagioclase, and Fe-Ti oxides (Rutherford and Hill, 1993). There have been numerous studies done...
An important field of study within the exercise science realm lies in identifying risk factors for musculoskeletal injuries to inform injury prevention programs. One of the more serious injuries in sports, especially sports involving cutting and jumping, is sprain of the anterior cruciate ligament (ACL). Previous research has found that...
Budburst, the initiation of annual growth in plants, is sensitive to climate variation and is therefore used to monitor physiological responses to climate change. Budburst timing can vary between regions of an individual tree, but this phenomenon it is unaccounted for in current monitoring efforts and may contribute to the...
Parathyroid hormone (PTH) is directly involved in breast cancer (BC) metastasis, as well as the severity of metastatic tumors. Excess PTH, caused by insufficient dietary calcium, may be an important and preventable factor affecting BC metastasis to bone. PTH levels increase with age in most women, largely due to insufficient...
Organic aggregates and transparent amorphous metals are transforming opto-electronic devices such as highly efficiency solar cells and flexible displays. We present a fundamental optical study of how local morphology critically impacts the device performance of both stacked, conjugated organics and In-Ga-Zn-O (IGZO) transparent metallic materials. Derivatives of anthradithiophene (ADT): ADTTES-F,...
Does the wage gap exist in careers that require higher levels of educational attainment? Research indicates that, on average, women make around 80% of what men earn. This study aims to investigate the relationship between educational attainment and the magnitude of the wage gap. Due to the differences in gender...
HafSOx is a dielectric material that also functions as an insulator. It is able to be spin-coated onto a silicon substrate, creating a thin, amorphous film. It is very dense, which helps lead it to a high dielectric constant, making it ideal for electronic devices through the use of lithography....
This gamma irradiation study was conducted to establish an LD50 of the hop (Humulus lupulus L.) cultivar Cascade . The overall, long term goal is to generate replacement hop cultivars by inducing minor but significant DNA alterations with gamma radiation to improve agronomic quality without changing the brewing profile. The...
Being present in an area of play can create a dynamic experience of exploration, movement, and interaction with objects and peers. These are required to foster positive development across cognitive, social, and physical domains (1).
Children with disabilities may experience limitations in mobility impacting their early exploration, socialization, and play...
Respiratory Syncytial Virus (RSV) is a major concern in infants, the elderly, and immunocompromised individuals. There is currently no vaccine available. While it causes a significant number of hospitalizations and complications, RSV is a thermo labile virus and not very stable in the environment. This matter complicates the creation of...
Zinc is an essential micronutrient required for many cellular functions, including
the development and function of the immune system. The biological consequences of
zinc deficiency illustrate the significance of zinc in human health. Zinc deficiency has
been shown to cause the dysregulation of both innate and adaptive immune responses, as...
The preceding empirical research examines the traditional and evolutionary research surrounding youth deviance. Deviance is routinely discussed as an adverse impact in a plethora of theories and it is imperative to further develop the knowledge of deviance as society progresses. In this report, the utilized sample group approximately (n=13583) was...
Certificate of Need (CON) laws provide state level review of the need for additional health care resources in a given community. General CON regulations on medical services have been relatively well-documented. Little attention has been paid to state CON regulations for psychiatric and substance abuse care and their impacts on...
We construct the contact value approximation (CVA) for the pair distribution function,
g(²)(r₁, r₂), for an inhomogeneous hard sphere fluid. The CVA is an average of two radial
distribution functions, which each take as input the distance between the particles, |r₂ −r₁|,
and the average value of the radial distribution...
The standard model (SM) of particle physics describes many of the experimentally observed subatomic particle interactions. However, there are a few discrepancies with the SM namely: matter/antimatter asymmetry and dark energy. A current extension of the SM allows for small amounts of Lorentz Violation to fix these discrepancies. Lorentz Violating...
Genetic engineering techniques allow scientists to create plants with desired traits. However, there is unwanted variability in transgene expression due to enhancer-promoter interactions and the influence from genetic elements near the insertion site of the transgene, which integrates into a random location in the genome. In an attempt to reduce...
Terahertz (THz) spectroscopy is a great tool not only to study fundamental physical processes such as many-body Coulomb interaction but also to develop ultrafast electronic devices. More specifically, intense THz fields interacting with semiconductors have exhibited strong nonlinear effect involving extreme carrier dynamics. In this experiment, intense THz radiation was...
An experimental apparatus is modified to allow measurements of the Seebeck coefficient and resistivity to be taken simultaneously. This apparatus is designed for bulk and thin film samples between temperatures of 10 K and 300 K. The apparatus is constructed such that these simultaneous measurements do not interfere with each...
Understanding the mechanisms through which stem cells self-renew is important for the development of new therapies to repair and restore damaged tissue. This research explores possible mechanisms of telomere mimic action and seeks to validate a new assay for evaluating telomere binding antagonists and studying the effects of telomere binding...
Past studies have shown that students struggle with main concepts of potential energy, such as reading graphs, understanding that potential energy can be negative, and, most pertinent to this research project, connecting potential energy to force. I designed an activity to help introductory physics students address these struggles. The activity...
The Bcl-2 family of proteins regulate cell survival and are targets for cancer therapy. This protein family has also been implicated in chemotherapeutic resistance, the cause of approximately 90% of treatment failure in advanced cancer. We analyzed the expression and the role of the Bcl-2 proteins in chemotherapy resistant breast...
As engineered nanomaterials (ENM) become more common in consumer products, it is crucial to rapidly assess toxicity of unique ENM. Previous studies rarely focused on standardizing nanotoxicity testing, leading to inconsistent and irreproducible results. This study characterized a variety of ENM of different size, shape, core type, and surface charge...
In this study, the effects of A and B site cation substitution of the distorted perovskite YCoO₃ on crystal structure and thermoelectric properties were investigated. Polycrystalline samples of Y₁₋ₓCaₓCoO₃ (0 ≤ x ≤ 0.20) and YCo₁₋ₓRhₓO₃ (0 ≤ x ≤ 1.0) were prepared by solid state reaction. Optimal synthesis conditions...
The response of cells to periodic driving is important for many biological processes, particularly blood flow and heart functioning. Our research analyzes the collective shear stress response of fibroblast cells due to a periodic driving frequency. When cells experience shear stress, they release calcium into the cytosol. To quantify the...
Prostate cancer is one of the most prevalent types of cancer in the U.S. and is among the leading causes of death in men of all races. One predictor of advanced prostate cancer and aggressive tumor behavior is the overexpression of the histone methyl transferase EZH2.
EZH2 functions in the...
Prostate cancer is one of the most prevalent types of cancer in the U.S. and is among the leading causes of death in men of all races. One predictor of advanced prostate cancer and aggressive tumor behavior is the overexpression of the histone methyl transferase EZH2.
EZH2 functions in the...
Understanding charge transfer in organic semiconductors is important for developing devices like organic light emitting diodes and flexible electronics. Optical tweezers have been used in many disciplines for trapping, manipulating, and analyzing microscopic objects such as microspheres, micro-organisms, and other colloidal particles. Using optical tweezers, studies have measured the average...
College students need accurate information to both prevent sexual assault and to access services following sexual assault. Effective communication serves an important public health role by reducing both assaults and psychological distress. In contrast, ineffective communication can both increase assaults and psychological distress. Little empirical research is available to guide...
This study examines how students were interacting with pre-lecture videos via the BoxSand website. Students of the Fall 2015 and Fall 2016 introductory physics courses at Oregon State University were studied. The course was taught as a flipped classroom in which the instructional material was provided via BoxSand. BoxSand is...
The Boulder Batholith and Elkhorn Mountains Volcanics (EMV) formed concurrently during shortening between ~85-76 Ma near the end of Mesozoic Cordillera arc magmatism. Together they represent an exceptionally well-preserved and voluminous record of continental arc magmatism. We report field and analytical results from studies of the EMV and Boulder Batholith...
Self-directed mobility is a fundamental human right. Typically developing children engage in mobility for a majority of their day, but children with disabilities do not have the same opportunities. Children with disabilities are at a disadvantage and have a greater risk for developmental delays in physical and cognitive skills, along...
Farensoid X Receptor (FXR) is a very flavoring protein for the treatment and prevention of the many conditions related to metabolic syndrome. Our experiment explores the binding activities of FXR when introduced to various natural and synthetic ligands. Currently, an initial assay showing the Stern-Volmer relationship of our date supports...
This internship project (Dr. Dawn Wright—Department of Geoscience) was a synthesis of several aspects of the research process. The documentation of methods consisted of: primary data collection of soil samples, geographical coordinates, georeferencing, basemap creation, laboratory machine operation, laboratory methods, laboratory quality control planning, statistical analysis, and geo-statistical analysis using...
Carcinus maenas is an invasive marine predator. Its generalist feeding strategies make it one of the most effective invaders. Carcinus maenas has invasive populations throughout the world, and was recently introduced to the west coast of North America. This study looks at the abundance and growth of C. maenas in...
The European green crab, Carcinus maenas, is a generalist predator that has established invasive populations throughout the
world, including the west coast of North America. In Oregon, strong cohorts of green crabs recruit only during major El Niño
events. The goals of this study are to: 1) compare the abundance...
The European green crab, Carcinus maenas, is a generalist predator that has established invasive populations throughout the world, including the west coast of North America. In Oregon, strong cohorts of green crabs recruit only during major El Niño events. The goals of this study are to: 1) compare the abundance...