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...
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...
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...
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,...
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....
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...
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 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....
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...
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 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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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.
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,...
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...
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...
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,...
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...
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...
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...
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 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.
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...
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...
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...
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.
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...
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...
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...