Beauveria sinensis sp. nov. was isolated from a larva of Geometridae (Lepidoptera) collected from Tiantangzhai, Anhui province, China. It is characterized by elongated ellipsoidal to cylindrical conidia, solitary conidiogenous cells that are cylindrical or with slightly swollen bases, white to pale pink colony in culture, and small mycelial pellets consisting...
Bioaccessibility in vitro tests measure the solubility of materials in surrogate biofluids. However, the lack of uniform methods and the effects of variable test parameters on material solubility limit interpretation. One aim of this study was to measure and compare bioaccessibility of selected economically important alloys and metals in surrogate...
In response to the recent expansion of piñon and juniper woodlands into sagebrush-steppe communities in the northern Great Basin region, numerous conifer-removal projects have been implemented, primarily to release understory vegetation at sites having a wide range of environmental conditions. Responses to these treatments have varied from successful restoration of...
In surveys of residents in three urban and three rural locations in the Great Basin we examined the social acceptability of six management practices showing promise for restoring sagebrush-dominated rangelands. Unlike most studies of range management perceptions that have relied on single measurements, we used longitudinal data from a questionnaire...
Open Educational Resources (OER) are increasingly used
in the higher education landscape as a solution for a variety of
copyright, publishing and cost-prohibiting issues. While OERs are
becoming more common, reports of usability tests that evaluate how
well learners can use them to accomplish their learning tasks have
lagged behind....
Objective: To screen different solvent extracts of Elaeagnus kologa (E. kologa) leaf to determine the phytochemicals, potent antioxidant and antibacterial activity to find out the possible source of applied pharmaceutical formulations.
Methods: Solvent extracts of leaf material were prepared using the Soxhlet apparatus. A study was performed on antioxidant activity...
Transportation of forest biomass on steep terrain involves logistical challenges. Trucks with large single trailers are often unable to travel on forest roads due to their narrowness, tight curves, adverse grades and limited areas to turn around. A shorter trailer must be used but then transportation capacity is limited by...
BACKGROUND: The relationship between arsenic and birth weight is not well understood.
OBJECTIVE: To evaluate the causal relationship between prenatal arsenic exposure and birth weight considering the potential mediation effects of gestational age (GA) and maternal weight gain (MWG) during pregnancy using structural equation models (SEMs).
METHODS: A prospectively enrolled...
BACKGROUND: This investigation sought to elucidate the relationship between hepatocyte growth factor (HGF)–induced metastatic behavior and the tyrosine kinase inhibitors (TKIs) crizotinib and dasatinib in canine osteosarcoma (OS). Preliminary evidence of an apparent clinical benefit from adjuvant therapy with dasatinib in four dogs is described. METHODS: The inhibitors were assessed...
A coupled biophysical model is used to examine the impact of changes in sea ice and snow cover and nutrient availability on the formation of massive under-ice phytoplankton blooms (MUPBs) in the Chukchi Sea of the Arctic Ocean over the period 1988–2013. The model is able to reproduce the basic...
The potential to use camelina (Camelina sativa L.) as a bioenergy crop has increased the need to develop management practices that would improve sustainable production. This study evaluated the effects by cultivars (Blaine Creek, Pronghorn, and Shoshone) and three spring seeding dates on the performance of camelina grown under rain-fed...
The ability to evaluate the effective permeability of proppant packs is useful in predicting the efficiency of hydraulic fracture installations. In this paper we propose a computational approach combining microimaging data from X-ray computed microtomography, the simulations of flow at pore-scale, and an upscaling process which identifies the effective model...
A dog or a cat has an incidentally detected heart murmur if the murmur is an unexpected discovery during a veterinary consultation that was not initially focused on the cardiovascular system. This document presents approaches for managing dogs and cats that have incidentally-detected heart murmurs, with an emphasis on murmur...
Objective:
To evaluate the effect of Nelumbo Nucifera leaf water extract (NNLE) on insulinoma (RIN) cells induced by interleukin-1ß (IL-1ß) and interfer-on-g (IFN-γ), and injured pancreatic ß-cells induced by Streptozotocin (STZ) in rats.
Methods:
The anti-oxidative effects of NNLE were assessed using 1,1-diphenyl-2-picrylhydrazyl (DPPH) and nitric oxide (NO) scavenging assays....
Subhorizontal lake shorelines allow a geodynamic test of the size and extent of a hypothesized paleolake in central Tibet, the East Qiangtang Lake (EQL), during the last interglacial period (marine isotope stage (MIS) 5e). Reconstructions based on relict lake deposits suggest that the EQL would have been ~400 m deep...
The Great Tohoku Earthquake and Tsunami of March 2011 generated nearly 1.5 million tons of floating debris. After 1-5 years of drifting with the currents across the Pacific, many debris items reached the NE Pacific coast carrying Japanese marine species that could colonize our shores. More than 84 marine algal...
The Tablets in Classrooms (TIC) program was initiated by the Corvallis School District (CSD) during the 2012-13 school year. TIC provides teachers and students in elementary and middle grades with Apple iPads as new pedagogical tools for teaching and learning. The school district contracted with Oregon State University’s Center for...
Suspended metallic carbon nanotubes (m-CNTs) exhibit a remarkably large transport gap that can exceed 100 meV. Both experiment and theory suggest that strong electron-electron interactions play a crucial role in generating this electronic structure. To further understand this strongly-interacting system, we have performed electronic measurements of suspended m-CNTs with known...
Although calderas and the caldera cycle are well studied, the relationship between caldera-forming eruptions and post-caldera volcanism is poorly understood. The chemical characteristics of the erupted products suggest that two end member compositions are involved during resurgence: (1) remnant magma of similar composition to the magma of the climactic eruption;...
Any work of literature is a product of its time revealing truths about its culture. My thesis explores how pre-selected inspiration, personal experiences, and current events play a role in the devising process of a script. The inspiration for this particular devised play is Letters to a Young Poet by...
Presentation delivered to the OSU Libraries and Press Staff at the monthly administrative briefing on May 23, 2018.
The presentation details the framework and ambitions of the Oregon State University Libraries and Press (OSULP) Community Interviewing Project. The project seeks to build community and reduce silos within OSULP by capturing...
Bird scaring lines (BSLs) protect longline fishing gear from seabird attacks, save bait, reduce incidental seabird mortality and are the most commonly prescribed seabird bycatch mitigation measure worldwide. We collaborated with fishermen to assess the efficacy of applying BSL regulations from the demersal longline sablefish fishery in Alaska to a...
Coastal wetland plants are adapted to varying degrees of inundation. However, functional relationships between inundation and productivity are poorly characterized for most species. Determining species-specific tolerances to inundation is necessary to evaluate sea-level rise (SLR) effects on future marsh plant community composition, quantify organic matter inputs to marsh accretion, and...
Xylindein is an organic pigment derived from Chlorociboria aeruginascens and C. aeruginosa fungi that has shown promise as an organic semiconductor. Preliminary estimates of charge carrier mobilities (CCMs) on the order of 0.1 cm2/Vs were calculated from early tests on xylindein thin films, and photocurrents were also observed under laser...
In the wake of the ``third wave'' of democratization, scholars and practitioners were optimistic regarding the ease with which countries could adopt democratic norms and institutions. However, after four decades of democracy, many competitive regimes have not improved government probity or developed strong forms of accountability. Levels of economic and...
In 2017, Oregon State University embarked on a project to ensure that
library resources about Oregon Indian tribes are discoverable in
online systems. With a focus on subject access in its local catalog
and in OCLC’s WorldCat database, this ongoing project is comprised of
two main components.
First, because not...
Post-mortem examinations were performed on 29 deceased Persian kittens from 13 different litters, and 30 deceased Devon Rex kittens from 18 different litters in order to identify gross anatomical abnormalities. Fifteen kittens were stillborn (8 Devon Rex, 7 Persian), 17 kittens died during the first day of life (16 Devon...
Dwelling on the bottom of large rivers to high alpine streams, freshwater sculpins (genus Cottus) occur in high densities across the Pacific Northwest, with 21 currently recognized species found in the Pacific Northwest. Sculpin fill many ecological roles, with some species serving as important prey sources, and others competing with...
Postmortem diagnostics play an important role in the ability to understand the cause of death of an animal. However, removal from oxygen supply, either by surgical excision or at death, leads to cell and tissue decomposition. Knowledge about factors impacting reliability of test results is extremely important for accurate diagnostics....
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...
Raising the Tents tracks a woman's retrieval of her voice. In these poems we join a woman on her journey to find meaning and wholeness. Ms. Adler's personal mythology evolves from a belief in the possibility for change and a Jewish heritage emphasizing ancestry. She explores the silencing of women...
Background and objectives: One hard wheat and one semi-hard wheat were milled on commercial, laboratory, and household-scale flour mills with rotating elements ranging from 0.1 to 1.0 m in diameter and speeds ranging from 65 to 40,000 rpm. The aim of the study was to assess and compare the quality...
Environmental DNA (eDNA) is an emerging biological monitoring tool that can aid in assessing the effects of forestry and forest manufacturing activities on biota. Monitoring taxa across broad spatial and temporal scales is necessary to ensure forest management and forest manufacturing activities meet their environmental goals of maintaining biodiversity. Our...
The sweet potato is one of the world’s most widely consumed crops, yet its evolutionary history is poorly understood. In this paper, we present a comprehensive phylogenetic study of all species closely related to the sweet potato and address several questions pertaining to the sweet potato that remained unanswered. Our...
Heat transfer coefficients and frictional pressure drop values are experimentally measured during condensation of R134a and its proposed low global warming potential (GWP) replacement, R450A. R450A is a non-flammable zeotropic mixture of R134a and R1234ze (42/58% by mass). Experiments were conducted in a horizontal tube (ID = 4.7 mm) for...
Aging is a major risk factor for the deterioration of biochemical pathways that lead to many chronic neurodegenerative disorders (i.e. Parkinson’s and Alzheimer's Disease). Cellular senescence is a hallmark of aging, a condition characterized by stable growth arrest resulting in a cell that no longer divides, but is metabolically active....
For millennia, women around the world have shouldered the responsibility of caring for their families. But in recent decades, women have emerged as a major part of the global work force, balancing careers and family life. How did this change happen? And how are societies in developing countries responding and...
Falls in older adults are a significant issue in the United States. Many older adults are advised to participate in fall prevention exercise programs in an attempt to increase strength and stability, but it is unclear what role limb dominance and potential limb asymmetry has in exercise performance. The purpose...
The legal landscape surrounding the prosecution of white-collar criminals has changed drastically over time, as has the media’s rhetoric, but the resulting sentence lengths have been inconsistent. This study utilizes historical newspaper articles to review the changes in media rhetoric over time and how this relates to the sentencing of...
Many firms start off as small family businesses which are controlled through the culture imprinted on employees by the founder. As the business grows, family owners and the executives that they hire, face a dilemma – how do they manage the trade-off between wanting to control the business in order...
Advancements in the field of medical and computer technology promise a new age of human enhancement technology (HET). These technologies may be aptly applied to existing Assistive Technology (AT), which was created to ameliorate disability, moving one up the spectrum of ability. This study aimed to determine how these technologies...
Benzo[a]pyrene (B[a]P) is a common environmental pollutant produced from the incomplete combustion of organic matter, such as fossil fuel emissions. In vertebrates, B[a]P exposure is associated with hyperactivity, though the underlying mechanisms driving this effect are undescribed. Mounting evidence indicates that the gut microbiome, which is the diverse community of...
Since the early 1900s, widespread agricultural abandonment has occurred in western New York leading to a general increase in forested areas through old-field succession. Even-aged stands typically follow these large-scale disturbances, resulting in a pattern of development with identifiable stages (Oliver 1980). At each stage, changes in vegetation dynamics encourage...
Objectives: Nitrate, found abundantly in green leafy vegetables, may improve exercise performance by increasing the availability and utilization of metabolic fuels that require less oxygen for energy production. However, it is not known if this performance effect occurs at the peak exercise intensity. We hypothesize that supplemental nitrate treatment will...
Amyotrophic lateral sclerosis (ALS) is characterized by the degeneration of motor neurons in the motor cortex and spinal cord. Recent evidence suggests that the purine receptor P2X7 (P2X7R) plays a central role in the pathology of ALS. Previous research indicates that P2X7R activation by oxidatively modified heat shock protein 90...
Qualitative two-phase flow regime data are obtained from high-speed visualization of condensing flows of R-134a at mass fluxes from 75 to 150 kg m−2 s−1 and quality from 0.1 to 0.8 in square microchannels (DH = 0.84 mm) cooled from a single side. Superheated R-134a is distributed into multiple parallel microchannels and then partially condensed, using...
Concentrated solar power (CSP) plants have the potential to provide 24 h, renewable electricity. Current CSP systems have high capital and operational costs which makes the levelized cost of electricity uncompetitive with conventional techniques. Recent experimental research has shown the potential of small unit cells (up to 2 × 2 cm) containing micropin arrays...
The advancement of additive manufacturing enables significantly greater freedom of design compared to conventional techniques. Of significant interest is the potential improvements in the design of cold plates and heat sinks for electronics cooling. Greater design freedom could enable new designs that reduce thermal resistance and hydraulic resistance, enabling the...
Membrane based heat pumps systems have attracted the attention of many research groups as a potentially more environmentally friendly alternative to vapor compression systems for space cooling. Several prototype systems have been developed, with reported claims of Energy Efficiency Ratios (EER) approaching 26. At present, no detailed analysis is publicly...
In climate regions with large seasonal variations in solar radiation, such as the Pacific Northwest of the United States, a solar thermal energy collector might not economically satisfy year-round domestic water heating demands, requiring an auxiliary unit, such as a natural gas-fired water heater. Previous studies have shown that the...
Supercritical carbon dioxide (sCO2) experiences a drastic change in its thermophysical properties near the thermodynamic critical point. A non-linear thermophysical property variation can influence the heat transfer behavior of sCO2 which is not predicted well by conventional single phase heat transfer theory. This can become a major hindrance in the...
There is growing interest to use supercritical carbon dioxide (sCO2) as a working fluid in thermal management applications. This study investigates the thermal-hydraulic performance of microchannel heat sinks as a function of flow channel geometry and orientation at operating conditions representative of electronics cooling applications. Three different experimental test sections,...
The objective of this paper was to measure and compare the heat transfer coefficient and pressure drop of R404A and two potential replacement candidate refrigerants with a lower global warming potential, R448A and R452A. Experiments were conducted inside a 4.7 mm horizontal tube at mass fluxes ranging from 100 to...
This article investigates the in-tube, superheated, saturated, and subcooled condensation of zeotropic refrigerant mixture R454C. R454C is proposed to replace R404A for commercial refrigeration applications. Quasi-local heat transfer coefficients were measured in a 4.7 mm horizontal tube at mass fluxes ranging from 100 to 500 kg m−2 s−1 at three different saturation...
Understanding poverty as a state of being poor with regard to concretely being unable to meet basic needs such as water, food, clothes, shelter, and essential services (e.g., sanitation, health, and education), its concerted study in the United States not only stands tandem with constitutionally upheld values such as equality...
Black Rockfish are important commercial and recreational species and understanding their biology is useful in developing best management practices. A common means to assess diet in both freshwater and marine fishes is stomach content analysis, which can determine diet composition and infer foraging behaviors. We conducted a stomach content analysis...
The presence of predators and competitors can offer biotic resistance against the establishment of non-native species, including the European green crab, Carcinus maenas, (EGC) in the estuary of Coos Bay, Oregon. It has been suggested that limb loss, or autotomy of the EGC will increase in areas that include populations...
We are constantly updating our research in the growing field of Environmental Health, yet we do not always translate this information in a way which is understood by the general public. This has resulted in tools which gauge the public’s understanding of health information, such as the eHEALS tool. This...
BCL11B, also known as CTIP2, is a transcription factor which plays a critical role in the regulation and development of many tissues and organ systems, including the skin. A 2019 study by Goos et. al. uncovered a novel point mutation in BCL11B gene that converted the Arginine(R)-3 residue to a...
Managers of U. S. Fish and Wildlife Service’s Bald Knob National Wildlife Refuge (Refuge) in central Arkansas want to provide sufficient habitat resources to meet its population objectives for wintering waterfowl. Nutrient reserves acquired during the wintering period appear to support spring migration and subsequent reproductive success for some species,...
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...
Presented via Zoom at the OSU Religious Studies 2021 Spring Conference.
This paper takes an analytical look at the 2014 Supreme Court Case Burwell v Hobby Lobbly. This case is an example of the intersection of religion with capitalism, healthcare, feminism, and public policy. This case looks to answer the...
Empirische Studien belegen, dass in virtuellen Kursen häufiger unlautere Mittel eingesetzt werden als im Präsenzunterricht. Dieser Artikel zeigt anhand zweier Fallbeispiel aus dem universitären virtuellen DaF-Unterricht verschiedene Möglichkeiten, die Integrität eines Kurses ohne eine Vielzahl an intrusiven technischen Mitteln zu gewährleisten. Während eine logische Reihung von formativen und summativen Tests...
Lake Merced results have established the lake as a viable paleoseismic site on the northern San Francisco peninsula. The lake records ~ 2300 years of event beds, 17 in total. Prior to that the lake was open to the ocean and contains marine shells consistent with an estuarine environment. The...
In ethnographic research, an anthropologist becomes integrated in the community of their study. Throughout this process, the anthropologist adapts to the cultural practices and the language of this community, becoming intimately connected to them. Ethnography communicates, through the anthropologist’s experience, crucial practices, tensions, and values discovered during research. However, it...
This review investigated the cognitive effects of intergenerational trauma. Through a literature review, 622 articles across two databases were examined using bibliography and literature review software to analyze such effects. Six articles were identified and discussed as well as their implications for future research. The supporting articles demonstrated clear cognitive...
Food webs are extraordinarily complex, containing myriad direct interactions and indirect effects. Determining how this network of interactions and effects influences a food web’s qualitative dynamics is a challenging task, especially because data on food web structure and individual interaction strengths is unknown in virtually all real-world ecosystems. The goal...
Many high school teachers are prohibited from interacting with students in social media sites despite the fact that the majority of teenagers actively use them. The first opportunity most students have to interact with instructors in an online environment is in higher education. University and college librarians can take the...
Carbon nanotube (CNT) photodiodes are a promising system for high-efficiency photocurrent generation due to the strong Coulomb interactions that can drive carrier multiplication. If the Coulomb interactions are too strong, however, exciton formation can hamper photocurrent generation. Here, we explore, experimentally and theoretically, the effect of the environmental dielectric constant...
This chapter discusses the possible factors, both inside and outside the US and Canada, which may affect future trends in international student mobility.
These surveys were developed from the Key Competencies in Linguistically and Culturally Sustaining Mentoring and Instruction for Clinically-based Grow-Your-Own Teacher Education Programs (Kibler et al., 2021: https://ir.library.oregonstate.edu/concern/defaults/j9602713n). They are designed for use in teacher education programs for purposes of assessing program strengths and needs and improving program quality.
Constructions using only a straightedge and compass are basic tools in any geometer's toolbox. We show how to construct an elliptic straightedge and compass in the Klein Disk model of (single) elliptic geometry, using only a Euclidean compass and straightedge.
There are over two million pet rabbits in the United States. Many rabbits are obtained as adults from pet stores and humane societies. Pet rabbit owners may elect to perform ovariohysterectomy (spay) surgeries on female rabbits to prevent unwanted pregnancies as well as to eliminate the possibility of reproductive disorders...
Sea otters fulfill a keystone role in several Northeastern Pacific nearshore ecosystems. However, their influence has been absent in Oregon coastal waters since their extirpation in the 19th and early 20th century. Interest has been growing for a translocation attempt to reintroduce sea otters to Oregon from one or more...
Mohonk Preserve intends to manage their forestland more actively with the mission of promoting forest health, climate-adaptation, and overall ecosystem health for the benefit of their community and recreational users. Climate-adaptive management recommendations (recommendations that address climate change vulnerabilities —by promoting either resistance, resilience, or transition— while helping to meet...
Climate change represents an increasing threat to northeastern temperate forests. Nearly all forest communities have been affected by climate change and require climate-adaptation management (Jandl et al. 2018). Climate-adaptation management (CAM) promotes the viability of forested systems and the ecosystem services they provide under current and future climatic conditions (Bolte...
An Injury Prevention Program Designed to Reduce the Risk of Lower-Extremity Injuries within Women's NCAA Gymnastics Teams.
Grounded in a behavior change perspective using an integrated theory model that combines the Health Belief Model and the Theory of Planned Behavior, the culmination of this project is a lower-extremity injury prevention...
Contaminants are ubiquitous in the environment, often reaching aquatic systems. Combinations of forestry use pesticides have been detected in both water and aquatic organism tissue samples in coastal systems. Yet, most toxicological studies focus on the effects of these pesticides individually, at high doses, and over acute time periods, which,...
Consideration of social and cultural dimensions in coastal and marine planning has increased and ecosystem services provide important framing to investigate values and priorities associated with these systems. Research efforts in coastal communities offer insights on social dimensions of ocean and coastal management decisions, but questions remain about how demographics...
This presentation focuses on an Oregon State University Libraries and Press (OSULP) project to propose subject headings for tribes with traditional territories in Oregon. Participants will learn strategies to approach cataloging Indigenous groups and the nuances in this work.
Giardia and Cryptosporidium protozoans are resilient, zoonotic waterborne pathogens that can bypass water treatment and kill millions of people and animals annually. Giardia and Cryptosporidium cysts and oocysts, respectively, can spread through feces; poor sanitation and poverty can increase the risk for giardiasis and cryptosporidiosis diarrheal diseases. We are currently...
Humans have always been fascinated with whales; from prominent features in mythology, to stories of terrifying monsters on the high seas, to globalized utility, to symbolic wildness and radical environmentalism, to figures and statistics, how have human relationships with whales been understood throughout time? Because humans have a need to...
In this article, we provide a brief overview of generative artificial intelligence and large language models. We then propose eight critical questions that libraries should ask when exploring this technology and its implications for their communities. We argue that libraries have a unique role in facilitating informed and responsible use...
The internationalization brought about by online finding aids and the United States’ expanding diverse population necessitates a renewed focus on representation and accessibility in archival research. The accessibility of archival resources depends on the language in which the content is offered to the public. Throughout the United States, the Spanish-speaking...