On the basis of their morphology and seasonal thermal characteristics, recurrent slope lineae (RSL) on Mars have been inferred to be a possible result of the flow of a liquid (likely a saline brine) through the upper portions of the martian regolith. In this note, we analyze repeat HiRISE imaging...
Published November 1929. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Confederate governors Joseph Brown and Zebulon Vance have long been considered obstructionists to the Confederate cause through their steadfast commitment to states' rights. States' Rights Nationalists throws in its own interpretation of these two men into the historiographical conversation taken on by well-known Civil War historians like Frank Owsley, Albert...
Spatially isolated patches of soil located in Taylor Valley, McMurdo Dry Valleys, Antarctica, are sites of elevated salt content and soil moisture. During Antarctic spring, in the absence of snow melt, visibly wet (reduced albedo) patches of soil are present at the surface. The soil pore fluids are hypersaline and...
The discovery on Mars of recurring slope lineae (RSL), thought to represent seasonal brines, has sparked interest in analogous environments on Earth. We report on new studies of Don Juan Pond (DJP), which exists at the upper limit of ephemeral water in the McMurdo Dry Valleys (MDV) of Antarctica, and...
We document the age and extent of late Quaternary glaciofluvial processes in Garwood Valley, McMurdo Dry Valleys, Antarctica, using mapping, stratigraphy, geochronology, and geochemical analysis of sedimentary and ice deposits. Geomorphic and stratigraphic evidence indicates damming of the valley at its Ross Sea outlet by the expanded Ross Sea ice...
Amyotrophic Lateral Sclerosis (ALS) is a relatively rare neurodegenerative disorder that is fatal 2-4 years after the onset of the disease. Population studies are being done in order to help reveal candidates for further studies of disease etiology, disease progression, as well as to further understand racial and ethnic variations....
Amyotrophic lateral sclerosis (ALS) is a devastating neurological disorder characterized by neuromuscular junction decay, motor neuron death, progressive paralysis, and eventually death of the individual, usually by respiratory failure. Oxidative stress is a prominent hallmark of the disease and is often accompanied and exacerbated by mitochondrial dysfunction and neuroinflammation. This...
Oxygen derived radicals are involved in many aspects of life from aging and cell signaling to disease states as diverse as heart disease, diabetes, neurodegeneration and inflammation. Therefore, understanding the function of antioxidant defense proteins and the effects of oxygen derived radicals on protein function is essential to elucidate the...
In the past two decades, the advancement in data collection and storage have led to the accumulation of complex datasets. Consequently, various industries have sought data-driven solutions to predict and detect anomalies. Temporal patterns have emerged as potential features in prediction models that could improve the performance of the identification...
The techniques of coherent anti-Stokes Raman spectroscopy (CARS)
and inverse Raman spectroscopy (IRS) are used to examine carbon dioxide
aggregation in a supersonic jet expansion. To promote the formation of
small clusters, a BMW injector valve is modified to permit its use as a
pulsed nozzle at very cold temperatures....
Amyotrophic lateral sclerosis (ALS) is a devastating disease characterized by the progressive degeneration of motor neurons. Dominantly-inherited mutations to the antioxidant enzyme Cu,Zn superoxide dismutase (SOD1) cause 3-6% of all ALS cases. The complete mechanism behind the toxicity of mutant SOD1 remains unclear, although significant evidence points to aberrant or...
People turn to mass spectrometry to answer some of life’s most important questions. From carbon dating of archeological finds to newborn blood screening tests, mass spectrometry allows us to measure molecules which helps advance our knowledge of life and the world we live in. One area of mass spectrometry that...
Mutations to superoxide dismutase were the first proven cause of Lou
Gehrig’s disease (amyotrophic lateral sclerosis; ALS) implicating superoxide in
the selective death of motor neurons that characterizes ALS. Nitric oxide
competes effectively with superoxide dismutase for superoxide to form the
powerful oxidant peroxynitrite. Endogenous formation of peroxynitrite can kill...
:
______________________________________________________________
Joseph S. Beckman
Mutations to superoxide dismutase were the first proven cause of Lou
The CARS apparatus at OSU was modified to permit studies in the 0-500 cm⁻¹ spectral region. The new low frequency capabilities were then used to study molecular clusters formed in free expansion jets of carbon dioxide. A strong cluster band was observed at 73 cm⁻¹, with a weaker shoulder at...
Due to its importance, the phenomenon of hydrogen
bonding has been the subject of much research over the
years. Among the different techniques used to study
hydrogen bonded systems, vibrational spectroscopy is
perhaps the most sensitive because of the striking
changes induced in molecular spectra by the formation of
hydrogen...
Health care providers, including complementary and alternative medical (CAM) practitioners, exert a significant influence on parental pediatric vaccination decisions. Use of CAM therapies is increasing in Oregon. Concomitantly, there has been a decade-long increase in parental vaccine refusal in Oregon, rising from 1 to 5 percent from 2000-2009. For example,...
The high resolution stimulated Raman spectrometer at OSU was
modified to improve its sensitivity and to extend its range of
applications to low Raman shifts and to the spectroscopy of solids and
liquids. As part of the characterization of the spectrometer, optical
Stark effects on rotational and vibrational transitions of...
Public education in the United States is fundamental to future economic performance. The attention paid to public education institutions generally revolves around school districts, state education agencies, and the role of the federal government. However, an often overlooked cog is the educational service agency. Known in Oregon and Washington as...
Passage of blood through a sorbent device for removal of bacteria and endotoxin by specific binding with immobilized, membrane-active, bactericidal peptides holds promise for treating severe blood infections. Peptide insertion in the target membrane and stable binding is desirable, while membrane disruption and release of degradation products to the circulating...
Mycobacterium avium subsp. hominissuis (MAH) is a nontuberculous mycobacterium which commonly infects patients with underlying lung pathology. MAH infections are difficult to treat and require lengthy courses of multiple antibiotics. MAH infects macrophages and evade the immune system by altering host cell cytokine production. The hypothesis is that intracellular MAH...
Anisogramma anomala causes a stem canker of filberts, Corylus avellana. This disease became a threat to the main U.S. filbert growing region when it was introduced into the Pacific Northwest around 1968. Various methods of artificially inoculating filbert trees and seeds were explored. Less than 1% of potted filbert trees...
Small organizations may face several management challenges, such as developing non-centralized management structures, knowledge retention in rapid turnover environments, complex operations, and diverse stakeholder requirements. Many methodologies exist to address such management challenges, including viable system model, knowledge management, and Toyota production system, or lean manufacturing. Each of these methodologies...
The deglacial behavior of the sub-Arctic North Pacific is poorly constrained, with many published records suffering from limited age control due to extensive post- depositional biogenic carbonate dissolution. Potential alternative dating methods could include the correlation of stable-isotopic and/or paleomagnetic secular variation records to an independently-dated regional template, however no...
Fluid simulation is an interesting research problem with a wide range of applications including mechanical engineering, special effects in movies and games, and scientific simulation. Due to the complex nature of typical fluid flow equations, there are circumstances where a full volumetric fluid simulation may not be necessary to generate...
Biodiversity losses in terrestrial, freshwater, and marine systems are accelerating at a global scale and the most threatened vertebrate taxa are those associated with freshwater habitats. The causes of biodiversity losses are often complex and include synergistic effects of natural and human-induced stressors, such as habitat loss and fragmentation, urbanization,...
Evolve & Resequence (E&R) experiments subject laboratory populations to environments controlled by investigators, who then document the phenotypic and genomic changes that take place over many generations. These experiments provide powerful tools for testing of a wide variety of evolutionary questions, especially questions about the nature of adaptive traits. While...
This dissertation uses manipulative experiments to explore amphibian-Bd infection dynamics. Although there has been almost two decades research since the discovery of Bd, many questions still remain regarding what conditions mediate chytridiomycosis virulence. My research shows how certain host and pathogen factors can influence disease virulence. Identifying how host and...
The central purpose of this dissertation was to explore and expand the use of
an uniform electric field for orientation and for subsequent spectroscopic investigation of asymmetric polar molecules in the gas phase. The systems of study were nitrobenzene (NB) and the nitrotoluene (NT) isomers. We were able to quantitatively...
To assess the context dependence of kin discriminating
behavior, I examined kin-biased aggregation behavior in tadpoles
of R. cascadae in different ecological conditions. I manipulated food
distribution, predator presence, thermal heterogeneity, and
relatedness in a multifactorial mesocosm experiment. All four
factors interacted to influence tadpole dispersion. My results
suggest that...
Ceramides are a group of lipids in the sphingolipid family that are potent cell signaling molecules. Elevations in ceramide levels above the norm generally lead to apoptosis. Evidence from in vitro studies suggests that accumulation of ceramides within mitochondria leads to dysfunction of the mitochondria. This includes inhibition of the...
Functional polymers and proteins at interfaces and surfaces are of fundamental importance for biomaterials, biocatalysis and microreactor applications. Candida antarctica lipase B immobilized on poly-DL-tryptophan tethers showed 30x higher
specific activity in aqueous and non-aqueous media than the same enzyme adsorbed or covalently bound directly to the surface. An excess...
Soft matter encapsulates a large array of materials ranging from electronics, plastics, and cosmetics to the biofluids making up all organisms. One of the most important properties of these materials that dictate their functionality is their rheology, which is the flow and deformation behavior in response to stress. The focus...
The development of a transient electric birefringence (TEB) apparatus for macroparticle characterization is herein discussed. The experimental difficulties encountered were related largely to poor data resolution. Misalignment and strain birefringence in optical components further complicated results. Improved data digitization methods were developed, and precise mathematical models were derived in order...
Post-secondary education institutions across the United States are increasingly allocating resources to promote international education exchange programs as a pedagogical praxis to develop students into global citizens. Underlying such notions of global citizenship is the assumption that students will also develop a stronger post-national or cosmopolitan identity as a result...
Shallow coastal waters serve an important role as long-term carbon (C) sinks because they capture terrestrial C
and retain internally produced C in wetlands and sediments. We show that tropical cyclones (TCs) can lead to
rapid CO₂ efflux from estuaries, driven by physical and biogeochemical perturbation of these coastal C...
The work upon which this publication is based was supported by funds provided by the United States Department of the Interior as authorized under the Water Resources Research Act of 1964, as amended. OWRR Project No. B-016-ORE.
Oxidative damage is a common and early feature of Alzheimer’s disease, Parkinson’s disease, amyotrophic lateral sclerosis (ALS) and other neurodegenerative disorders. Dr. Mark Smith and his colleagues have built the case for oxidative stress being a primary progenitor rather than a secondary end-stage epiphenomenon of neurodegeneration. They proposed that reactive...
Children with developmental disabilities (DD), particularly autism spectrum disorder (ASD), may use complementary health approaches (CHA), including some modalities that can be unsafe, inefficacious, and/or costly. Still, the prevalence of CHA use among US children with DD is not known and their reasons for use are not well understood. By...
Infectious diseases are a growing concern for both humans and wildlife. The negative effects of infectious disease have been exemplified by the recent global amphibian population declines associated with disease outbreaks. Although multiple pathogens and factors play a role in these declines, the aquatic fungal pathogen, Batrachochytrium dendrobatidis (Bd), has...
Biogenic opal, organic carbon, organic matter stable isotope, and trace metal data from
a well-dated, high-resolution jumbo piston core (EW0408–85JC; 59° 33.3′N, 144° 9.21′W,
682 m water depth) recovered from the northern Gulf of Alaska continental slope reveal
changes in productivity and nutrient utilization over the last 17,000 years. Maximum...
Candidatus Liberibacter solanacearum’ (Lso) is a bacterium that infects solanaceous crops and causes plant decline and yield losses, especially in potato and tomato. Lso is transmitted to these hosts by the potato psyllid (Bactericera cockerelli Sulc) vector. B. cockerelli host plants are not limited to crop plants, but also include...
Microglia and reactive astrocytes accumulate in the spinal cord of rats expressing the Amyotrophic lateral sclerosis (ALS)-linked SOD1ᴳ⁹³ᴬ mutation. We previously reported that the rapid progression of paralysis in ALS rats is associated with the appearance of prolifer- ative astrocyte-like cells that surround motor neurons. These cells, designated as Aberrant...
BackgroundEpidemiological evidence suggests that arsenic (As) exposure during pregnancy may reduce infant birth weight. One significant source of As exposure is diet; thus, As may indirectly affect infant growth by mediating the effect of maternal diet on birth weight (BW). This study evaluated the potential mediating effect of As in...
The down‐regulation of dominant oncogenes, including C‐MYC, in tumor cells often leads to the induction of
senescence via mechanisms that are not completely identified. In the current study, we demonstrate that MYC‐depleted
melanoma cells undergo extensive DNA damage that is caused by the underexpression of thymidylate synthase (TS) and
ribonucleotide...
Haiti is far from achieving the UN goal of sanitation access for all; 20% Haitians have no sanitation access, and less than 0.1% of urban excreta is safely managed. Container-Based Sanitation (CBS) may be a key tool for achieving equitable sanitation coverage in Haiti’s cities. CBS is a sanitation strategy...
Purpose of the Study:
The purpose of this research was to study the school districts
in Umatilla County as they existed in 1962-3 and to formulate a
guide for reorganization of these districts into sound efficient units.
The following sub-factors were considered essential to this research,
and were dealt with...
Published June 1928. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Oregon Biography Index is intended to serve primarily as a starting point in locating biographies of Oregonians. We have indexed 47 historical volumes which are either entirely devoted to biographies or have large self-contained biographical sections. The profiles in the books vary widely in accuracy and detail. Birth dates of...
Sisal Wave sisalana Perrine), one of Tanzania's main cashcrops, is severely affected by korogwe leaf spot disease (KLS).Infected plants show chocolate brown, concentric, scablike eruptions on both surfaces of mature leaves, and produce stained, low-quality fiber. A flexuous, rod-shaped virus was isolated from KLS-infected sisal leaves and studied at Oregon...
"It appears that the summer of 2003 was very likely warmer than any other
summer in Europe back to 1500" (Luterbacher, 2004). This was the conclusion of a
study about the changing climate of Europe by climatologists at the University of
Bern, Switzerland, and published in Science in May, 2004....
....................................................................... 93
6-2 The Financial History of Fossil Fuel Levy 1990- 1998......................94
7-1 Kyoto
Published January 1956. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
While overfishing frequently is explained in terms of «the Tragedy of the
Commons» model, it is argued that the economic causes of such long-run resource problems could be more accurately characterised in terms of a «Tragedy of High Prices» due to landings prices exceeding fishing costs at
the socially optimal...
This compilation of theses and dissertations (a part of the OSU Bibliographic Series) for the period 1970-1977 reflects this university's emphasis on research and graduate study. It may be viewed as an indicator of the contributions made to the state of Oregon through graduate study and research at Oregon State...
Low concentrations of hexachlorophene (HCP) inhibit a number of pyridine nucleotide-linked dehydrogenase enzymes. The I₅₀ HCP concentrations were 105 μM for pig heart isocitrate dehydrogenase (ICD), 65 μM for horse liver alcohol dehydrogenase, 39 μM for torula yeast glucose-6-phosphate dehydrogenase (G6PD), 6.0 μM for beef heart malate dehydrogenase, and 1.6...
As an increase in Americans seek their leisure experience in
rationalized forms of play, certain symptoms of non-enjoyment, non-flow
achievement are present; i.e., aggression. This relationship between
aggression and rationalized play has widely manifested in university
intramural sports settings. The review of literature provides the
logical development for this relationship...
This thesis study attempts to differentiate between attention and
understanding as separate phases of communication theory. To do this,
additional analysis was made of data already gathered from a random
sample of Oregonians by the Survey Research Center at Oregon State University.
An additional objective was to determine the role...
Published November 1974. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Coral reproduction is vital to the persistence of coral reefs. Decades of ecological studies have correlated environmental variables, such as temperature and light, to the timing of reproduction in anthozoan cnidarians, including corals and sea anemones. However, elevated temperatures associated with climate change impair reproductive success and threaten the resilience...
Published June 1940. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
The production of C¹⁴O₂ metabolized from glucose labeled in
specific carbon atoms by homogenates of chick embryonic and adult
heart was compared by the radiorespirometric technique. Homogenates
of early (two to five days of incubation) embryo hearts were
found to utilize the phosphogluconate pathway of glucose catabolism
to a greater...
Until recently, research has not considered whether the design of end-user programming environments, such as spreadsheets, multimedia authoring languages, and CAD systems, affects males and females differently. As a result, we began investigating how the two genders are impacted by end-user programming software and whether attention to gender differences is...
How can software practitioners assess whether their software supports diverse users? Although there are empirical processes that can be used to find “inclusivity bugs” piecemeal, what is often needed is a systematic inspection method to assess software’s support for diverse populations. To help fill this gap, this thesis introduces InclusiveMag,...
A study was conducted to determine the influence of DMSO
(dimethyl sulfoxide) on suberization and wound periderm formation
in cut potato tuber tissue, and to determine the effectiveness of
DMSO as a potato seedpiece treatment for prevention of seedpiece
decay in the field. The influences of tuber storage conditions,
varieties,...
The gut microbiome influences human disease including Type 2 diabetes, obesity and metabolic syndrome and interacts with the innate immune system. The human cathelicidin antimicrobial peptide (hCAMP), an important component of the innate immune system, and vitamin D and xanthohumol, a natural compound found in beer hops, regulate its expression....
Revised August 1988. Reprinted December 1995. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Three newborn, colostrum deprived calves were inoculated by the intranasal, intratracheal, conjunctival and oral routes with a subgroup II bovine adenovirus strain 7T. An initial viremia and febrile response occurred in all calves with widespread dissemination of the virus through the body. Clinical signs consisted of pyrexia, soft feces and...
Activities of lipoprotein lipase (LPL) and hormone-sensitive
lipase (HSL) in adipose tissue, accumulation of carcass fat, and
serum triglyceride have been determined in meal-fed (MF) and
ad libitum-fed (AD) rats. At each feeding frequency, the animals
received diets providing total fat as 15% or 30% of calories and
polyunsaturated fatty...
Includes 1922 Summer School Graduates.
In the following pages the information, so far as it has been possible to obtain it, is given in the following order for each alumnus: Name, year in which the degree was conferred, degree, course, present occupation, and present mailing address.
The Egyptian economy depends heavily on cotton as the major export commodity among agricultural commodities. Egypt is the largest exporter of extra long staple cotton in the world followed by Sudan and Peru. It provides about 45 percent of the world exports of extra long staple cotton. Instability in the...
This report details a collaborative effort of the Wallowa Resources, Northeast Oregon Economic Development District and Oregon State University faculty members jointly affiliated with Extension Service and the Rural Studies Program to develop indicators of Wallowa County community vitality in a way that reflects the goals and values of the...
Published March 1976. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Published September 1991. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog