It has been claimed that stimuli signaling threat are processed rapidly and
draw our attention (e.g., Fox, Russo, & Dutton, 2002). Similarly, it has been
argued that expressions of fear have a strong pull on our attention because
they signal threat (e.g., Phelps, Ling, & Carrasco, 2006; Vuilleumier &
Schwartz,...
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....
Lentisphaera araneosa is a marine microorganism, and its production of expolymer plays an important role in marine ecosystem. The exopolymer production in L. araneosa is studied by measuring the growth of bacteria (in cells/mL) and the viscosity of the medium (in centistokes) under different treatments. The treatment without serine and...
Stimuli signaling threat are often processed especially rapidly (e.g., Fox, Russo, & Dutton, 2002).
Similarly, some studies have suggested that expressions of fear have a strong pull on our attention
because they signal threat (e.g., Phelps, Ling, & Carrasco, 2006; Shaw, Lien, Ruthruff, & Allen, in press;
Vuilleumier & Schwartz,...
Alpha tocopherol plays a critical role in preventing lipid peroxidation within the body. Lipid peroxidation within the brain is hypothesized to be a possible mechanism of degenerative diseases such as Alzheimer’s and dementia. Due to the high amount of DHA, a long chain poly unsaturated fatty acid in the brain,...
The neutron capture cross sections of ¹⁰⁶Cd, ¹⁰⁸Cd, ¹¹⁰Cd, ¹¹²Cd, ¹¹⁴Cd and ¹¹⁶Cd were determined in the present project. Four different OSU TRIGA reactor facilities were used to produce redundancy in the results and to measure the thermal cross section and resonance integral separately. When the present values were compared...
Occlusive thrombi that cause cardiovascular diseases form on the walls of blood vessels and propagate across the lumen under pressure gradient-driven flow, impaired antithrombotic, and enhanced prothrombotic conditions. Development of a well controlled and validated ex vivo model that can mimic these pathological conditions would provide a useful tool for...
RNA silencing plays a critical role in plant defense against viral infection. Plants use virusderived
small interfering RNA to target and silence invading viruses. The antiviral silencing
pathway can be broken down into three conceptual stages: initiation, amplification, and systemic
movement. The molecular mechanisms of silencing initiation are not well...
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...
The future of iron pnictide superconductors in technology is still undecided. While these materials are now known to possess high critical temperatures and critical magnetic fields processing methods for these materials are still in their infancy. Recently we have been investigating possible ways to speed up the synthetic process for...
Cryopreservation depends on the equilibration of cells with high concentration of cryoprotective agents (CPAs). However, the addition of CPAs can induce damages to the cells. One of the damages is due to too much shrinkage or swell of the cell volume which lead to the cell death during the addition...
We previously reported that inhibition of the Na⁺ translocating NADH:ubiquinone oxidoreductase (NQR), either by chemical inhibition or mutation, increased toxT transcription in Vibrio cholerae. In this study, we revealed that the nqr mutant strain showed similar phenotypes as the Escherichia coli NADH dehydrogenase I (nuo) mutant strain (e.g. growth defect...
Producing for the Future is an Oregon State University research project where youth, adult partners, and OSU researchers work together to design and plant a community garden and develop a microenterprise venture to market the produce grown. Using the CBPR process, everyone on the project collects and analyze data evaluating...
The potential of the developing zebrafish model for toxicology and drug discovery is limited by inefficient approaches to manipulating and chemically exposing zebrafish embryos—namely, manual placement of embryos into 96- or 384-well plates and exposure of embryos while still in the chorion, a barrier of poorly characterized permeability enclosing the...
To examine the influence of forest management on wildlife immunity, the innate immune system of wild deer mice (Peromyscus maniculatus) inhabiting forest plots of different management intensities in the Oregon coast range was measured by bactericidal assay. Bactericidal activity was compared across three management levels, including 40-50 year old forest...
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...
The history of school spirit and tradition at Oregon State University is explored, with emphasis on orgins and the impacts of World War I, World War II, and the Anti-Establishment movement.
Newberry Volcano in central Oregon formed at the intersection of extensional fault systems defining the Basin and Range extensional province, the Cascades Graben and the Brothers Fault Zone. A unique structural orientation characterizes each fault system. Basin and Range faults trend north, northeast and northwest. The Cascade Graben is defined...
Plagiobothrys hirtus is Oregon’s top priority for endangered plant species recovery, and the wetlands of Douglas County provide the only habitat for this plant in the world. The goal is to downlist this species from endangered to threatened, and in order to do that, existing populations must be protected, and...
This project is a series of handmade books, utilizing various binding methods and artistic mediums, exploring the subject of interpersonal relationships. The project’s purpose is twofold: first, to explore the utilitarian side of bookbinding as a craft, as well as the different mediums (including printmaking, drawing, painting, and stitching) that...
Jolly Jack Junior, by Jeff Goode and directed by Sarah McKenney is a swashbuckling farce complete with pirates, wenches and sword-fights. The cast includes OSU students Sam Thompson and Alexa Johnston.
Marine bacteria from the SAR11 clade (class Alphaproteobacteria), specifically strains
HTCC1062 and HTCC7211, were characterized according to a polyphasic taxonomic approach.
Maximum cell densities and growth rates at various temperatures, salinities, and pH’s were
analyzed. Strains HTCC1062 and HTCC7211 were observed as having different growth
optimums. On the basis of...
The poster was presented at the poster session of the 2nd annual Water Research Symposium at Oregon State University (formerly called Water Day) on 5/18/2012.
Information about social and economic attributes of fisheries, fishing communities, and fishery participants is important for marine resource management because the focuses of agency efforts are on managing society's impacts to the marine environment. This thesis addresses two questions. First, what are the perspectives of managers, scientists, and commercial and...
The paper focuses on the American Ambulance Field Service (later American Field Service) and the young American men who, for various reasons, volunteered to serve in it prior to the entrance of the United States into WWI. It discusses the formation of the Field Service, gives a basic overview, and...
The focus of this presentation is to demonstrate the functionality of the Multi Application Small Light Water Reactor (MASLWR) thermal hydraulic test facility and it’s natural circulation operating behavior as well as analyze the ability of a RELAP5-3D model to simulate this behavior. The MASLWR facility is introduced with a...
Athletic activities have always carried an inherent risk for injuries, and basketball is no
exception. Basketball is the second most popular team sport in the United States in
which 984,777 high school boys and girls participated during the 2010-2011 season.
Athletic trainers and strength and conditioning staff are pressured to...
A previous dual-task study (Lien, Ruthruff, Cornett, Goodin, & Allen, 2008) provided evidence that people have difficulty identifying words while central attention is devoted to another non-word task. In that study, participants performed an auditory Task 1 regarding tone pitch and a visual word Task 2. However, it’s possible that...
The case study, Implications of Energy Density on Weight Loss, examined the relationship between the consumption of energy dense foods such as whole fruits, whole vegetables and fiber with weight loss. The case study examined four participants from the LITEN Up study, which focused on the effects of a diet...
The Indo-Pacific Red Lionfish (P.volitans) has invaded coral reefs in the Western Atlantic Ocean and Caribbean. This abundant invader has the potential to negatively affect native species through both competition and predation. A native species that may be particularly vulnerable to this invasion is the Nassau grouper (E. striatus) because...
The toxicity of a group of oxygenated polycyclic aromatic hydrocarbons (OPAHs) was investigated using embryonic zebrafish. An immediate goal was to determine the relative toxicity of these compounds and to explore the toxicity mechanisms. It is thought that some OPAHs cause toxicity by binding and activating the aryl hydrocarbon receptor...
It is estimated that menstrual dysfunction, including amenorrhea, affects anywhere from 6-79% of active women1. Amenorrhea is defined as the absence of a menstrual cycle lasting more than three months2. Secondary amenorrhea occurs after menarche2. Primary amenorrhea is the delay of menarche past 15 yrs2. Menstrual dysfunction can negatively impact...
In 1861, in order to recoup foreign loans, France invaded Mexico. Assured by the Civil War in the United States that American response would be limited, Napoleon III undertook a scheme to replace the republican president Benito Juarez with a monarchy headed by the Austrian Archduke Maximilian von Hapsburg. Bracketed...
Some studies suggest that attention can be captured by irrelevant, salient objects when they appear rarely. We addressed this issue using the N2pc effect, a lateralized, negative voltage spike in the brain potentials in parietal cortex, thought to reflect attentional allocation. A cue display was followed by a target display...
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...
Objective: To determine the association between glycemic (blood sugar) control levels and social support among people with type 2 diabetes enrolled in a lifestyle intervention program; in addition, to determine whether the association of glycemic control to social support depends only on social support received or the congruence of desired...
Lactic acid bacteria (LAB) play a significant role in the production of several food products for human consumption. Humans exploit and maximize the various benefits from LAB characteristics, especially in foods such as cheese, yogurt and other fermented products. More recently, research discovered that certain LAB, such as Lactococcus species,...
Constant and reliable health monitoring can help doctors provide higher quality
health care to meet the growing needs of the medical industry. The advent of
cloud computing has enabled low-cost sensor devices that can process their data
in real-time without powerful onboard hardware. Using an Android smartphone,
medical data can...
Many plant-associated Gram-negative bacteria, such a Pseudomonas syringae pv tomato DC3000 (PtoDC3000), use a type III secretion system (T3SS) to establish a host-microbe relationship with compatible plants. The T3SS resembles a molecular injection mechanism that allows the bacteria to deliver type III effectors (T3Es) directly into the cell of the...
Between the years of 2006 and 2011, 183 marine mammal strandings were recorded and analyzed by the Veterinary Diagnostics Laboratory at Oregon State University. Most of the strandings were of pinnipeds and porpoises. The species represented were California sea lion (69 animals), Steller sea lion (18 animals), harbor seal (42...
This audio file contains selections from Claire Sahlberg's senior vocal recital. She is accompanied on the piano by Beth Atchley. The recital was held at First Christian Church in Corvallis, OR. The following songs represent a portion of the recital. They are, in order: Tornami a Vagheggiar from G.F. Handel's...
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...
An apparatus and method for calibrating planar laser induced fluorescence using a two-dye, two-color method was developed. A laser sheet was expanded from a 473 nm laser to excite dye solutions into higher energy states then fluoresced through spontaneous emission. The two fluorescent dyes selected for research and development were...
The current study sought to clarify the associations stressful life events have with symptoms of depression among college students. Consistent with work by Schultheiss and Blustein (1994), both family-related stressors and other stressors may be related to the well-being of students in a college environment, and family-related stressors may be...
The purpose of this presentation is to show the source, methods, and results of creating a computerized display of the metabolic pathways of model plants Oryza sativa (rice) and Arabidopsis thaliana (thale cress) using the computer program PathVisio2. The finished products may be viewed and modified for free on www.wikipathways.org...
The YA4-H! program engages youth from across the state of Oregon in Youth Participatory Action Research in their own communities surrounding topics that they feel are important to them.
This project examines the rulers of late medieval Castile, Enrique IV and Isabel I, and the controversies surrounding their reigns.
The paper begins with an examination of Isabel’s youth and education prior to her life at Enrique’s court. From there the troubles in Enrique’s reign are detailed beginning with discontented...
Autism spectrum disorder (ASD or autism) is a pervasive developmental disorder characterized by deficits in social skills, communication and repetitive or restricted interests. Research indicates that young children with autism experience delayed infant motor milestones resulting in deficits of fine and gross motor skills. The purpose of this larger study,...
Self-Monitoring scores were significantly influenced by the social context that respondents considered while completing it. Normal distributions were generated within testing conditions. Bimodal distributions were generally found across testing conditions and within a no context specified condition, suggesting item ambiguity might be leading to the scale’s class variable interpretation.
Strong self-regulation in early childhood is a key predictor of academic and social success from elementary school through college (McClelland et al., 2012). This study analyzed the influence of the age of the child’s parent on the child’s self-regulation as measured by the HTKS (Head-Toes-Knees-Shoulders) measure. Relations between children’s self-regulation...
Glioblastoma multiforme is a form of primary brain cancer in humans with a 5 year survival rate of less than 4%. Glioblastoma cells are characterized by their highly invasive nature linked to mutations in key signaling proteins such as PTEN, resulting in loss of expression of this lipid phosphatase. When...
Pisaster ochraceus occurs in a variety of colors; the major hues being orange, brown, and purple. Harley et al. (2006) found that in areas on the open Pacific coast, where Mytilus californianus was present, less than 10% of the population of P. ochraceus were purple whereas in areas of the...
Fermentation time in the cellar directly affects potential brewery production as a whole. It is of practical interest to decrease time needed where possible and increase efficiency. Decreased lag time in beer fermentations allow for higher production and efficiency in the brewery as well as decreased risk of contamination. This...
The goal of our research project was to compare the knowledge and attitudes of Producing for the Future participants about local food resources, gardening, eating organically, and maintaining a healthy lifestyle before their participation in the project, with attitudes and knowledge of the topic after they had been a participant....
Climate change is a global factor that has been implicated in many behavioral alterations across various species. We speculate and observe the potential responses to the Plethodon shermani mating system induced from temperature changes, which may affect the ability of P. shermani to rely on external cues for mating season....
Children’s self-regulation has been found to be an important predictor of later school success.
This study examined relations between family mobility and children’s self-regulation in preschool.
Using a diverse sample of 477 preschool children, results indicated that the number of moves a family made in the past five years was...
This item is a powerpoint presentation of an HHMI research project conducted during the summer of 2011 by Kyle Ireton, in partnership with Dr. Fredrick Stormshak. The objective of this study was to identify whether the myristoylated alanine-rich c kinase substrate (MARCKS) protein is phosphorylated in vivo, in response to...
Accurate diagnosis is the most important step in identifying and curing diseases. There are no accurate low cost disease diagnostic tools available for developing countries. The use of microfluidic paper-based analytical devices and colorimetric analysis of an assay response could solve these issues. Several colorimetric liver assays have been demonstrated...
The infrastructure of a destroyed saw mill is being re-engineered. One project involves installing a micro hydroelectric power station at the end of an existing pipeline. The hydraulic power available to the generator was estimated. Much construction and engineering work has gone into the design and partial build of this...
Oxytocin was confirmed to have an impact of the PIP2 breakdown in ovine endometrial tissue. This experiment took two groups of ovariectomized ewes (n=5) and administered a shortened estrus cycle hormone regiment. It was found that, independent of the hormone treatments, especially P4, OT caused a small increase in the...
Part of the infrastructure of a disused mill in Dee, Oregon is being converted into a hydroelectric power station. A turbine and generator combination must be selected to match the flow and pressure at the bottom of the penstock. One old penstock route is being abandoned and replaced with a...
This project calculates the melting temperature as a function of pressure for a system defined by the Lennard-Jones 12-6 potential using molecular dynamic simulations. In a single atomistic simulation, the initial conditions are manipulated such that both a liquid and solid phase exist when thermal equilibrium is reached. Phase coexistence...
It has been observed and documented that Pisaster ochraceus has very striking colors, but the reasons behind the coloration are still unknown. Three coloration categories were determined and used for a feeding trial study to investigate the effects of diet on coloration in Pisaster ochraceus. This study involved 30 hand...
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...
NS2 is a novel HIV protein confirmed to be expressed from an open reading frame alongside the Pol open reading frame. Furthermore, NS2 has been shown to be critical to viral replication and to localize in the nucleolus of the nucleus. The mechanism of NS2 function is currently unknown. A...
This thesis presents a measurement of the resonance integral and thermal cross section – which together represent the total neutron absorption cross section – of the naturally occurring isotopes of platinum that emit gamma radiation upon neutron absorption. The measurements were made via neutron activation analysis. Platinum samples were bombarded...
Metabolic disorders affect much of the population, and it is widely believed that they have a genetic basis as well as being influenced by dietary factors. Recent studies have revealed an important role for the neil1 gene in the prevention of metabolic diseases. NEIL1 is a DNA Glycosylase that catalyzes...
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....
The AAPD recommends placement of dental pit and fissure sealants on surfaces that are high risk or that already exhibit incipient carious lesions. Protection provided by sealants may be enhanced by the addition of ion-releasing, anti-microbial filler particles of bioactive glass.
Objective: We prepared novel dental pit and fissure sealant...
The overall objective of this research was to determine which, if any, myosin XI proteins and exocyst proteins play a role in growth of Arabidopsis thaliana hypocotyls and root hairs. This involved the study of whether exocyst and myosin proteins work together during cell expansion within these two plant parts....
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...
The detection of mammalian FMO’s is important in the understanding of active FMO 2.1 and its role in metabolizing drugs to treat tuberculosis. Refinement of an absolute quantification (AQUA) mass spectrometry method is needed to be able to quantify the different FMO isoforms present in mammalian tissue. We are doing...
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...
During mitosis, sister chromatids are separated by the action of the mitotic spindle. The mitotic spindle attaches to chromosomes at centromeres through a protein complex called the kinetochore. While ~100 proteins have been identified at kinetochores and centromeres, the function of most is poorly understood.
The centromere protein, CENP-T (Centromere...
We found that a strains of Yersinia pestis (KIM5) which lacked the nhaA gene was fully attenuated in a plague model. This gene produces a protein of the sodium-proton antiporter family which expel sodium ions from the bacterial cytoplasm in exchange for hydrogen ions, or protons, from the surrounding environment....
Throughout Oregon State University, a permanent, publicly-owned art collection not only exists under the radar of most people's awareness, this collection is part of a state mandate in existence since the late 1970's and too manages to slip most people's awareness at all. It is the Percent for Art Collection,...
Adequate energy stores are essential for animal survival, and sophisticated neuroendocrine mechanisms evolved to stimulate foraging in response to nutrient deprivation. Food search behavior is usually investigated in young animals, and it is not known how aging alters this behavior. To address this question in Drosophila, we compared the ability...
Some studies have found that responses are faster when the orientation of an object’s graspable part corresponds with the response location than when it does not (i.e., the object-based correspondence effect). We examined Goslin et al.’s (2012) claim that the effect is the result of object-based attention (visual-action binding). As...
Most animals are active either during the day, night, or twilight, and transition periods between these times exhibit interesting behavior. Actions may be related to avoiding predators, seeking shelter, defending territory, feeding, or other interests. Herbivorous fishes on coral reefs, such as parrotfishes, forage constantly throughout daylight periods due to...
Crime rates affect everything from home values, to the quality of education. Through the use of Social Disorganization Theory this paper will support the hypothesis that there is a correlation between neighborhood upkeep and crime rates within neighborhoods. Social Disorganization theory itself aims to show the correlation between the place...
Optical trapping is a tool used throughout a wide variety of disciplines rang- ing from precisely probing and manipulating sub-micron organisms in biol- ogy to analyzing fundamental charge transfer in colloidal physics. This thesis presents research involving optical tweezer force measurements of polystyrene and silica microspheres. In addition, preliminary work...
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...
There are record numbers of immigrants in the U.S., with no indication of declining in the future. Social debates surrounding issues such as immigration are fragile. It is critical that research and knowledge put out to the public and used by policy makers to create or reform immigration legislation must...
This paper will focus on the relationship between institutional internalization and organic solidarity. Being that there is a wide verity of different institutions, this writing will focus primarily on only religion, politics, and education. The internalization of the individual from each of these institutions greatly effects their beliefs, desires, and...
In society, labeling can play an important role in how people interact with one another every day. This research focuses on the relationship between internalization and deviance, two important concepts in Labeling Theory. The main question is, does the internalization of a label play a role, whether it be positive...
Climate change is a hot potato policy: the responsibility for it is constantly passed between the domestic and international realms. By definition global climate change is a global problem yet, in the US, domestic concerns are preventing federal lawmakers from taking action and presidents from taking leadership at both the...