Dental disease is a very prevalent and costly disease in which the symptoms, not the disease, are currently being treated. The disease is caused by pathogenic oral bacteria, many of which are a part of the Mutans Streptococci. The objective of this thesis was to find a natural substance that...
Although the question of free will has persisted throughout the history of philosophy as an important metaphysical consideration, rarely does the inquiry include empirical evidence from other disciplines concerned with human behavior. In this interdisciplinary paper, I combine the wisdom of psychologists, metaphysicians, and philosophers of science to comment on...
The Oregon State University Libraries began working on implementation of an institutional repository through a five month planning process. The Task Force responsible for the planning identified campus needs for such a service, examined persistent issues and challenges, and made recommendations for a pilot project. These steps are summarized and...
One goal of the Oregon Library Association's Vision 2010 is to promote a strong and diverse workforce throughout all of the state's libraries. The forecasted shortage of librarians in the next decade prompted the OLA Board to request a demographic study of Oregon's libraries. A simple survey was adminstered at...
Rotifers and brine shrimp (Artemia) are important prey items for rearing marine fish larvae. Their availability in the water column may be reduced when they are transferred to larval rearing tanks at lower temperature. In this study, Brachionus rotundiformis (SS-type) and Brachionus plicatilis (L-type) were semi-continuously cultured and fed on...
Clostridium perfringens type A isolates produce the spore-specific enterotoxin, CPE, upon sporulation in the gastrointestinal tract of humans and animals. Spo0A is a response regulator representing the major transcription factor for sporulation initiation in C. perfringens. In Bacillus subtilis, a multicomponent phosphorelay involving five histidine kinases (KinA-KinE), the intermediate response...
It is commonly accepted that for the analysis of wood beams, the neutral axis coincides with the centroid of the beam. Although this assumption is used in analysis, wood is not an isotropic material, as it has different elastic properties in the tangential, radial and longitudinal directions, nor is it...
The LIGO interferometers have reached their designed sensitivity level which is greater than any other interferometer ever built. At this point, it is important to have a proper understanding of small perturbations that might still exist (until now these issues did not come to the forefront because other more critical...
This report was presented to the Finance and Administration Committee of PICES at the 16th Annual Meeting on October 31, 2007. It will appear as part of the Committee's annual report in the 2007 PICES Annual Report. Elements of the report were presented at the 33rd IAMSLIC Annual Conference with...
The project team surveyed and interviewed forty identified experts within the diverse tsunami community. The survey revealed that this community is a sophisticated user of Internet search engines and tools and is very familiar with existing information. The sites mentioned most frequently as being helpful were those of the National...
When voters considered Measure 37 in 2004, what it would do was a guessing game. Moreover, arguments made to justify the measure were untested. Today, three years and 7,462 claims later, what Measure 37 would do is increasingly clear. In addition, new research shows two key Measure 37 justifications were...
The Valley Library Reference Collection is under-utilized, occupies valuable physical space, and represents a significant investment in collection funds. As reference resources are available electronically, we have not effectively shaped our print or digital reference collection. The physical collection ages as we cancel reference continuations without replacing them with electronic...
Twenty seven modern (top 1-2cm) sediment samples from multicores retrieved from throughout coastal SE Alaska were analyzed for their organic matter content and the source composition. Total organic carbon (TOC) as well as biogenic silica (bioSi), and calcium carbonate (CaCO3) content were analyzed to evaluate the organic matter content and...
High-throughput culturing (HTC) consisting of extinction culturing in autoclaved seawater has led to the isolation and characterization of many novel strains of oligotrophic marine bacteria. Strain HTCC 2207 was isolated from the Oregon coast by the HTC method. Phylogenetic analysis based on 16S rRNA gene sequence showed that this strain...
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White muscle disease (WMD), a degenerative muscle disease brought on by a deficiency of the essential trace nutrient selenium, is thought to be mediated by the protein Selenoprotein W (SeW). In its relationship with WMD, SeW, like many selenoproteins, binds to glutathione, serving some purpose in redox mechanisms...
The computer game industry continues to progress toward realistic-looking character motion. However, even in state-of-the-art games, the use of motion capture data in character animation may result in errors such as “foot slipping,” where the feet do not match up with the floor properly during translation. Various algorithms have been...
DNA mismatch repair (MMR) is an evolutionary conserved process that functions to maintain genomic integrity through the correction of mismatches that have escaped proofreading. Mutations in the MMR gene Mlh1 are associated with approximately 50% of all cases of Lynch syndrome, a hereditary predisposition to colorectal cancer, through varying and...
Spending time in a German speaking country may aid in vocabulary acquisition and production. This study hypothesized a concrete link between written language use and experiences abroad. Intermediate German students’ vocabulary uses in impromptu essays were evaluated by counting the number of total word, unique words, and content words. This...
Biological introductions may considerably alter the composition and community dynamics of invaded areas thereby changing many ecosystem processes including productivity, decomposition, nutrient cycling and hydrology. The effects on native species may be obscured by a lack of information on distribution and abundance patterns. The Japanese eelgrass, Zostera japonica, was introduced...
Although thousands of volunteers from the United States go abroad each year to teach English, many are unprepared for their experiences. Undergraduate students teaching in a foreign country seem to lack training in educational methodology or foreign relations that would prepare them for teaching and living abroad. This project was...
Temperate evergreen forests of the Pacific Northwest support big huckleberries (Vaccinium membranaceum) despite their nutrient impoverished soils. Acquisition of nitrogen and phosphorous are the major nutrients limiting V. membranaceum. The plant’s access to these resources is linked to their mycorrhizal symbiosis. To learn more about the symbionts of eriaceous plants...
Celiac disease, an autoimmune response triggered by the consumption of seed storage proteins of cereals, affects an estimated 1% of the human population. In the case of wheat (Triticum aestivum L.), one of the world’s most consumed cereals, alcohol-soluble proteins, the gliadins, have been identified as the allergy-eliciting agents. Previous...
This article is a follow up to an earlier publication that developed the rationale for using conversation as a metaphor to teach research writing. We presented this proposed teaching approach at several conferences, including WILU in May 2005 at Guelph, Canada. The discussions with participants in these presentations validated the...
Resource managers of Oregon’s tidal wetlands require an improved GIS layer for management of existing tidal wetland habitat and areas considered for tidal wetland restoration. A reconnaissance project was initiated, such that interpretations of remote sensing data, the National Wetland Inventory, Oregon Estuary Plan Book and additional management tools were...
The endoplasmic reticulum (ER) is a crucial organelle in the cell where protein folding and processing occurs, and conditions that negatively affect ER functions are highly detrimental to the cell. The accumulation of unfolded/misfolded proteins in the ER leads to a condition known as ER Stress. The ER has developed...
Presented here is an investigation and comparison of two entrapment methods of algae. Conventional calcium alginate bead entrapment is compared to a recently described modified bead entrapment method, utilizing poly(ethylene glycol) and calcium alginate, which results in void or capillary formation within the beads. It is shown that algal growth...
Lynch individuals have a predisposition to developing colorectal and other cancers due to inherited defects in their mismatch repair (MMR) system. Although mutations in MMR have been directly implicated in Lynch Syndrome, the precise mechanism(s) of MMR functions have yet to be elucidated. One essential complex, MutL (a dimer of...
Mammary tumors are the third most common tumor in cats after cutaneous neoplasia and lymphosarcoma. More than 80% of feline mammary tumors are adenocarcinomas, which are similar to human mammary adenocarcinomas in their biologic behavior and histologic characteristics. Despite treatment with radical mastectomy, feline mammary adenocarcinoma is associated with a...
Mitochondria provide energy for biological cells to function, but this process is also a source of oxygen radicals that are capable of damaging nearby proteins. Mitochondrial protein damage can eventually lead to cell death, especially in the case of heart cells, where mitochondria are present in the highest concentrations. As...
The Harderian gland (HG) of the red-sided garter snake, Thamnophis sirtalis parietalis, is a secretory structure that plays a role in the vomeronasal system by solubilizing semiochemicals such as prey chemoattractants and the female sexual attractiveness pheromone. The HG produces secretions containing pheromone-binding proteins that form a complex with pheromone...
Two strains of Escherichia coli were studied to determine the effect of constitutive expression of the SOS DNA damage repair response on the activity of ribonucleotide reductase. Activity of the reductase and cellular deoxynucleoside triphosphate (dNTP) pools were both determined before and after exposure of the cells to ultraviolet radiation....
The Elliptic Curve Digital Signature Algorithm (ECDSA) is a public key cryptosystem used for creation and verification of digital signatures in electronic documents. In this thesis, we created a Java applet that provides the functionality of the ECDSA using all of the NIST elliptic curves over GF(p). This applet was...
Inflammation is one of the first, most important responses of the immune system when presented with infection and is mediated primarily by eicosanoids and cytokines. The goal of this research was to generate monoclonal antibodies against murine IL17C, a poorly characterized cytokine involved in inflammation and linked to inflammatory conditions....
Rockfish of the genus Sebastes are important components of Oregon reef communities. I examined patterns of age and growth in young-of-year rockfish across two nested spatial scales – local and regional – along the Oregon coast. Using otolith microstructural examination, I examined the relative importance of local versus regional factors...
This study was commissioned and funded by the Coastal Oregon Marine Experiment Station (COMES) to 1) identify the scientific and management issues constraining the advancement of the Oregon bay clam commercial industry, 2) explore scientific, management, and economic opportunities for the enhancement of the fishery, 3) outline and suggest mechanisms...
Rhodococcus fascians is a Gram-positive, pleiomorphic actinomycete that causes leafy gall formation in a wide range of plant hosts. This particular phytopathogen has been a focus of research at the Oregon State University Plant Clinic, a diagnostic laboratory. Phylogeny of R. fascians isolates obtained from Plant Clinic submissions was determined...
Non-alcoholic Steatohepatitis (NASH) is an emerging form of liver disease associated with obesity, type II diabetes and dyslipidemia. As the prevalence of these metabolic conditions increases, so too has the occurrence of NASH in all sectors of the population. The pathology of this disease is similar to its alcoholic form,...
Many economic development methods over the years have tried to solve the problem of poverty with varied success. Microenterprise development is a method that works with the poor to create small self-run businesses to increase their income, and therefore bring more freedom from disease illiteracy and discrimination. Within microenterprise development...
The prey consumption rates of two estuarine crab species were compared: the introduced Carcinus maenas and the native Cancer magister. Similar sized crabs of each species were placed into individual perforated plastic boxes and then placed in a seawater table. Each crab was offered 50 Mytilus trossulus mussels (15-25mm) per...
During the 27-month period of this project (July 1, 2005-September 30, 2007), the Northwest Digital Archives achieved significant growth in membership, in its finding aid database, and in usage of the database by researchers; conducted extensive testing of the finding aids database with a variety of researcher communities; continued dialogue...
This paper provides some background information on coarse to medium scale habitat monitoring techniques and proposes a framework for a statewide system. It is designed for state fish and wildlife agencies and their partners to help them meet the monitoring requirement in the development of wildlife strategies.
An important by-product of the kraft pulping process, black liquor is currently used in most pulp mills to produce steam in a recovery boiler. Two important black liquor characteristics are viscosity and burning (firing) characteristics, which determine the operating efficiency of the recovery boiler. Kraft black liquor is a complicated...
Expectations for technology proficiency in counseling and counselor education have increased; nevertheless, very little information is available in the counseling literature which describes how to effectively evaluate online resources from a design and utility standpoint. This study provides a model for such assessments, employing an affordable small scale usability study...
Discusses the development and evolution of the Bibliotherapy Evaluation Tool to help graduate counseling students use literature in therapy ethically and appropriately. A survey of bibliotherapeutic practice in the helping professions is provided. Graduate students showed greater knowledge of and comfort with bibliotherapy after exposure to a teaching module and...
This study compares the requirements of three forest certification systems, the Sustainable Forestry Institute (SFI), the Forest Stewardship Council (FSC), and the International Organization for Standardization (ISO), with the 2005 McDonald-Dunn Forest Plan Revision. The analysis was done with a series of matrices comparing the requirements of SFI and FSC...
This bibliography focuses on works that will provide the reader with supplemental resources on the history of ethnic minorities in Oregon. An effort has been made to highlight materials that are particularly appropriate for use in teaching students of various ages. The featured resources address all historical time periods, but...
An inducible, mutant virus, designated vvtetO:I7L/G1L, was used to study the morphogenic proteolysis step of the vaccinia virus life cycle. The vvtetO:I7L/G1L controlled the expression of two genes, I7L, a cysteine proteinase, and G1L, a putative metalloproteinase. These proteins are involved in the maturation of viral core proteins, p4a, p4b,...
The West Fork Smith River, a 69 km2 watershed in the Coast Range of Oregon, is prone to short periods of very high water temperature in mid-summer due to a combination of human and natural influences. In the summers of 2003 and 2004 more than 400 juvenile coho salmon regularly...
7th Biennial Conference on University Education in Natural Resources. In 2005 faculty in the Northern Arizona University School of Forestry initiated a project to replace the required sophomore-level writing course taught by the English Department with a new course, “Writing in Forestry,” taught within the School. The goal of the...