The relative enrichment of skin sebaceous gland lipids with deuterium-labeled α-tocopherol was compared with plasma enrichment to evaluate the delivery of vitamin E to skin. For the first week of this study, each subject consumed a daily dose of deuterated vitamin E (150 mg of an equimolar mixture of RRR-α-[5-(C²H₃)]-(d₃)...
The primary objective of this thesis is to develop a process for fabricating integrated circuits based on thin-film transistors (TFTs) using zinc tin oxide (ZTO) as the channel layer. ZTO, in contrast to indium- or gallium-based amorphous oxide semiconductors (AOS), is perceived to be a more commercially viable AOS choice...
Zinc tin oxide (ZTO) films deposited by pulsed laser deposition (PLD) are
investigated as a channel layers for transparent thin-film transistors (TTFTs).
Films are deposited on glass for characterization, and transistor channel layers are
deposited onto aluminum oxide-titanium oxide/tin doped indium oxide/glass
substrates (ATO/ITO/glass) to produce TTFTs.
UV-visible spectroscopy on...
A zeolite packed biofilter was retrofitted to a confined swine feeding operation in Eastern Washington, and evaluated for its ability to reduce the malodors from fan exhaust drawn from an internal under-slat manure storage pit. Ammonia (NH₃) was used as the representative constituent of swine waste malodor due to its...
Today in the United States, herbal supplements are growing increasingly popular, however, little is known about the safety and efficacy of these products. This study contributes to the growing body of information about the prevalence of herbal supplement use among young adults (18 to 24 years) and the beliefs young...
You Stay Here is the beginning of a novel that centers on the notion of family, community, and the expectations that drive our interactions within these circles. The novel tells the story of brothers Mills and Nance O'Malley as they interact with their parents, Richard and Margaret. The brothers own...
The sagebrush steppe ecosystem of the northern Great Basin is severely degraded and continues to decline due in large part to the invasive, non-native annual grasses Bromus tectorum L. (cheatgrass) and Taeniatherum caput-medusae (L.) Nevski (medusahead). Restoration of invasive-dominated areas is difficult, but can be enhanced by adding a carbon...
Yeast mannoproteins released during the process of aging wine on the yeast lees have been reported to make important contributions to wine quality. However, few mannoproteins have been identified in wine and their lifespan during aging is unknown. As a first step towards better understanding the contributions of yeast mannoproteins...
We have performed fluorescence extended X-ray absorption fine structure (EXAFS) measurements on the Cd K-edge of partial electrolyte (PE) treated Cu(In[subscript 0.7]Ga[subscript 0.3])Se₂ (CIGS) thin film samples using synchrotron X-ray radiation. This data was compared to the EXAFS spectra of CdSe and CdO standards. Cd local structure models were constructed...
Doris Lessing and Tsitsi Dangarembga write fiction set in Zimbabwe, the former Southern Rhodesia. Although Lessing grew up as a white settler and Dangarembga, a generation later, as part of the colonized African population, the women sometimes address similar issues. Both write of young girls trying to find a speaking...
This collection of personal essays, inspired by Richard Rodriguez's Hunger of Memory, raises questions about the separation that becomes apparent through writing, education, and transitions between class. The author uses her personal experience of writing in, and attending a private university to explore the interactions of class, literacy, and education....
Kate Chopin, author of the proto-feminist novel The Awakening, was also a prolific writer of short stories. Nineteen of her stories were originally published in Vogue magazine between 1893 and 1900. This study looks at six of these stories, "The Father of Desiree's Baby," "A Respectable Woman," "The Dream of...
The purpose of this study was to explore wedding dress styles represented in United States high fashion magazines during the World War II period. The objectives of the study were to: discover what wedding dress styles were proposed by high fashion magazines during the period 1935-45, determine if wedding dress...
My thesis explains the several problems that arise when a person from a Western English speaking country goes to work as an English teacher at private institutes in South Korea. It is based on my own experiences when I worked as an English teacher at private institutes in South Korea...
With the arrival of European settlers to Western Oregon nearly 150 years ago came new methods of forest management. Early settlers' forest practices consisted of little more than harvesting what seemed an endless supply of timber. Forestry in the 20th century eventually incorporated such management concerns as re-forestation, biodiversity, wildlife...
Woody riparian vegetation is an essential component of riparian ecosystems, responsible in part for the maintenance of functional ecological processes. The plant community composition and distribution provide an indication of the underlying mosaic of environmental attributes and processes. Restoration and management of riparian communities have been hindered by the lack...
In investigating wood treatment as a possible processing option for Alaska forest products manufacturers, the double-diffusion method using sodium fluoride followed by a copper sulfate appeared to be the most advantageous approach. Yet, little information was available as to the chemical retention after treating and its resistance to leaching. Green...
Light-frame construction practices and materials have changed greatly
over the past 100 years. Contemporary research has focused on modern construction; thus, we know a great deal about the behavior of modern lightframe buildings under lateral forces. However, there are many light-frame buildings that were built prior to the introduction of...
In plantation forestry, rapid growth rate is favorable for wood production, but may decrease wood density, which is an important indicator of wood quality for both pulp and solid wood products. I looked for (1) differences in radial patterns of wood
density between planted and naturally grown Costa Rican tree...
The perception of the self as a sexual being is challenged by the
experience of pregnancy. Included in the experience of pregnancy are
issues with perceptions of the self, body image, transition into
motherhood, and reconciliation of the self as a sexual being during
pregnancy. Through a review of the...
This research is based on in-depth interviews with 20 women farmers and
ranchers from the state of Oregon. These women employ a variety of methods and
subscribe to a number of divergent philosophies regarding agricultural practices.
The intention of this study is to examine how women who are the primary...
Throughout society, many believe women are not succeeding professionally because of the institutional barriers created by men in the American workforce. However, women may be more competitive with other women than with men, especially when limited job positions are the goal. Competitiveness among women can be explained by a phenomenon...
Krascheninnikovia lanata (winterfat) is a valuable forage species with an
average of 10% crude protein during winter when there are few nutritious options for
livestock and wildlife. However, excessive grazing throughout the west has negatively
impacted survival of winterfat stands. We hypothesized that four years rest from
dormant season livestock...
The eight stories in Wild West Love Songs explore issues such as loss, suffering, and betrayal, but perhaps the most consistent theme is the examination of the ways we are haunted by our past. All the protagonists in these stories are haunted. Sometimes they are haunted literally, by a ghost...
This thesis examines the motivations of ecological restoration volunteers with the Oregon chapter of The Nature Conservancy. This study helps fill in voids left by a lack of research on the motivations of ecological restoration volunteers. Studies that have explored restoration volunteer motivation relied largely on surveys that revealed altruistic...
Thesis summarizes interviews with growers residing within the Groundwater Management Area (GWMA) in the Southern Willamette Valley of Oregon. Informal and semi-structured interviews were used to identify perceived impediments and incentives perceived by local farmers in following best management practices related to water quality. Results from the interviews were coded...
Walt Whitman looked to the natural world, which he considered an original example of divine creation, for insights into the methods and patterns of the Creative Force; the poet then intuited connections between these divine natural patterns and human existence and spirituality. Convinced of the divinity of the human body,...
Habitat loss causes a reduction in available resources for wildlife, alters the configuration of remaining habitat, and may isolate wildlife populations. White-breasted nuthatches (Sitta carolinensis) are experiencing long-term population declines in the Willamette Valley of Oregon, where they are historically associated with oak woodlands. As secondary cavity-nesters, white-breasted nuthatches may...
In the United States during the last 30 years there has been a shift from extractive natural resource-based economies of the Old West to a New West defined by environmental protection. Over the past century, a growing national support for environmental protection has influenced a lengthening list of national and...
Little is known about the effects of arabinoxylans (AX) on noodle quality. The aim of this study was to observe interrelationships between wheat flour AX, SRC tests, and noodle quality attributes, and to investigate the use of SRCs to predict cookie diameter. Cookie diameter is the most common index of...
Live western larch, Larix occidentalis Nutt., a tree species resistant to the Douglas-fir beetle, Dendroctonus pseudotsugae Hopkins, produces the monoterpene 3-carene in higher concentrations compared to Douglas-fir, the preferred host of D. pseudotsugae (Reed et al. 1986). The inhibitory effects on attraction to aggregation pheromones and toxicity of 3-carene to...
Ellis, a booming mid-sized town in California's Central Valley, is packed with farmers and commuters, and plagued with a dwindling sense of itself and its history. Set against the backdrop of a failed murder-suicide, a secret affair and a wealthy local mogul's attempt to develop the town into something it's...
The objectives of this study were to provide a comprehensive review of the risks and benefits of using adulticides to reduce risk of mosquito-borne disease (particularly West Nile Virus) transmission to humans, as well as to decrease annoyance from nuisance mosquitoes. The study was designed with two major research components,...
Students are entering college heavier than ever before and some are gaining weight faster than the general population. Weight studies have been conducted, but are limited in scope about how behavior related choices are made. This study was an effort to determine weight stability and to explore the influences of...
Field studies were conducted in 1998 and 1999, to evaluate glyphosate and glufosinate for control of redroot pigweed, common lambsquarters, hairy nightshade, and barnyardgrass in herbicide-resistant sugarbeets. Treatments that included two or three applications of glyphosate, regardless of rate, or glyphosate applied once in combination with BAS 656 07 H...
To protect the environment and save human lives, the detection of various hazardous toxins of biological or chemical origin has been a major challenge to the researchers at Oregon State University. Living fish cells can indicate the presence of a wide range of toxins by reactions such as changing color...
The Disney Company is an inescapable force in American life that is often detached from the stigma of big business and instead viewed as something particularly valuable, the United States’ foremost storyteller. In addition to the stories that the Disney Company
produces through its animated and live-action productions, there is...
The mouth of the Columbia River (MCR) has a longstanding reputation of hazardous navigational conditions. This reputation has been developing since the first ship, the Columbia, traversed through the inlet in 1792. The hazardous conditions are related to the large waves and strong tidal currents that are common in the...
This thesis is a study of Herman Melville’s symbolism. I have chosen to investigate the elemental images of water, fire, and stone in Moby-Dick (1851), Pierre; Or, The Ambiguities (1852), and Clarel; A Poem and Pilgrimage in the Holy Land (1876). This work is a semiotic study, insofar as the...
Runoff from agricultural lands into Upper Klamath Basin rivers and lakes can
cause water quality problems affecting fish and wildlife. Excessive eutrophication
in Upper Klamath Lake is linked to high nutrient input (particularly phosphorus)
stemming from both lake sediments and watershed tributaries.
On a unit area load basis the Wood...
The 13 personal essays in Water over Stones: Oregon Watershed Stories explore the author's experiences in dozens of Oregon watersheds. Using the genre of the personal essay, the author, a fifth-generation Oregonian and amateur ecologist, writes about her life and family relationships in stories that are saturated with the waters...
In deciduous species, water exits stems mainly through leaf traces
attached to the outer growth ring and yet we know that water ascends
throughout the entire cross-section of the sapwood. There is an increasing
amount of information on sap flow and sapwood hydraulic properties from
separate studies, but little information...
Numerous water supply systems and community based water boards have been created with the aid of international organizations and NGOs in developing countries. These water systems have great potential to improve people’s social life and health in these countries. However, in reality, these water systems are often not effectively managed;...
Oftentimes in visualization, the goal of using volume datasets is not just to visualize them but also to analyze and compare them. In order to compare the two volumes, we cannot take all the voxels into consideration. The size of a typical volume data set is quite large (maybe a...
3D datasets acquire great importance in the context of medical imaging. In this thesis we survey and enhance solutions to problems inherently associated with 3D datasets-processing time,noise and visualization. Efforts include development of a tool kit to provide a multi-threaded processing platform to cut processing time, produce real time visualization...
Volcán Miño (21°11'S) is located on the westernmost periphery of a longlived complex of stratovolcarioes and domes called the Aucanquilcha Complex. The Aucanquilcha Complex ranges in age from 11 Ma to 1-lolocene and lies along the main N-S trending axis of Quaternary volcanoes in the Andean Central Volcanic Zone (CVZ)....
Oregon’s High Lava Plains Province (HLP) has strongly bimodal basalt and rhyolitic volcanism. The Province caps the northern margin of the Basin and Range Province and serves as a transitional region between westward extension of the Basin and Range Province and unextended crust to the north . The High Lava...
This thesis examines the nature of publishing as a political endeavor through a detailed investigation of the feminist publishing movement in the U.S. since the 1970s. Feminist publishers emerged from an activist context of feminist struggle, and they evolved within changing political and social climates, facing ideological and economic challenges...
Running economy (RE) is the amount of oxygen utilized (ml.kg⁻¹min⁻¹) when
running a fixed speed, and it has been demonstrated to be an important factor
determining race performance in distance runners. There is evidence that running
economy and/or maximal oxygen consumption (VO₂max) improves over the course
of a training season...