This work prepared YInMnO3, YCuTiO3, and YInFeO3 solid state pigments via microwave synthesis. The microwave-prepared pigments contain optical and structural properties similar to their furnace homologues. Overall synthesis times for each pigment have been significantly reduced via microwave synthesis, while keeping the same relative phase purity as solid-state.
The ritualized courtship of the Red-legged salamander, Plethodon shermani, has been studied extensively. Males and females possess brightly colored red legs, but little is known about the implications of this coloration on mate choice. An alternative hypothesis is that coloration may be used as a warning signal to predators. Animals...
Marine mammals use acoustics for many life functions, including communication. Male fin whales produce a call around 20 Hz and the pattern of a series of calls can vary based on the individual, geographic region, and season. I examined the variation between songs in fin whales. A glider was deployed...
As part of an HHMI funded research project, I showed that overexpression (OE) of actin (ACT2) in Arabidopsis thaliana alters the expression of genes involved in plant immunity. Others have previously shown that knockout (KO) mutants of actin depolymerizing factor 4 are affected in the same gene as ACT2-OE. For...
Evidence-based interventions are considered to be the most successful interventions used in public health. They have the research to support their potential success when implemented by an organization. Evidence-based interventions are created and tested, then are implemented by a variety of organizations in various geographic locations, including non-profit organizations, public...
The paper focuses on the American Ambulance Field Service (later American Field Service) and the young American men who, for various reasons, volunteered to serve in it prior to the entrance of the United States into WWI. It discusses the formation of the Field Service, gives a basic overview, and...
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.
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....
Self-Monitoring scores were significantly influenced by the social context that respondents considered while completing it. Normal distributions were generated within testing conditions. Bimodal distributions were generally found across testing conditions and within a no context specified condition, suggesting item ambiguity might be leading to the scale’s class variable interpretation.
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...
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...
It is estimated that menstrual dysfunction, including amenorrhea, affects anywhere from 6-79% of active women1. Amenorrhea is defined as the absence of a menstrual cycle lasting more than three months2. Secondary amenorrhea occurs after menarche2. Primary amenorrhea is the delay of menarche past 15 yrs2. Menstrual dysfunction can negatively impact...
The detection of mammalian FMO’s is important in the understanding of active FMO 2.1 and its role in metabolizing drugs to treat tuberculosis. Refinement of an absolute quantification (AQUA) mass spectrometry method is needed to be able to quantify the different FMO isoforms present in mammalian tissue. We are doing...
Occlusive thrombi that cause cardiovascular diseases form on the walls of blood vessels and propagate across the lumen under pressure gradient-driven flow, impaired antithrombotic, and enhanced prothrombotic conditions. Development of a well controlled and validated ex vivo model that can mimic these pathological conditions would provide a useful tool for...
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....
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...
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...
Menu-Choice is a program that was developed to provide physical activity support and education to group homes that house adults with intellectual and developmental disabilities (I/DD). It has been shown that the physical activity levels for individuals living in group homes are low. This program was designed to provide direct...
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,...
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...
This item is a powerpoint presentation of an HHMI research project conducted during the summer of 2011 by Kyle Ireton, in partnership with Dr. Fredrick Stormshak. The objective of this study was to identify whether the myristoylated alanine-rich c kinase substrate (MARCKS) protein is phosphorylated in vivo, in response to...
Newberry Volcano in central Oregon formed at the intersection of extensional fault systems defining the Basin and Range extensional province, the Cascades Graben and the Brothers Fault Zone. A unique structural orientation characterizes each fault system. Basin and Range faults trend north, northeast and northwest. The Cascade Graben is defined...
"Red-sided garter snakes, Thamnophis sirtalis parietalis, from Manitoba, Canada are known to be hosts to trematodes, Alaria sp., in their population. Alaria sp. have been located in the tail tissue of the snakes. The non-reproductive stage of these obligate endoparasites, known as a mesocercaria, is trophically acquired by garter snakes....
This thesis looks at the third harmonic voltage response of a small incandescent lightbulb. The third harmonic voltage, or 3 omega (3ω) voltage, arises from applying a 1ω sinusoidal voltage across a resistive material. The 3ω voltage carries with it information about the thermal conductivity of the material. A lock-in-amplifier...
Metabolic disorders affect much of the population, and it is widely believed that they have a genetic basis as well as being influenced by dietary factors. Recent studies have revealed an important role for the neil1 gene in the prevention of metabolic diseases. NEIL1 is a DNA Glycosylase that catalyzes...
The purpose of this study was to compare the fine and gross motor skills of young children with and without autism. Within the Children and Youth with Disabilities Lab, the Movement Intervention for Young Children with Autism project seeks to create effective interventions to improve the fine and gross motor...
The Speckled dace (Rhinichthys osculus) is the most widespread minnow in western North America (Gilbert and Williams, 2002). It has diversified widely across its range—both morphologically and genetically—and as such might rightly be called a species complex. Our ongoing work aims to determine where boundaries between potentially undescribed species lie...
The infrastructure of a destroyed saw mill is being re-engineered. One project involves installing a micro hydroelectric power station at the end of an existing pipeline. The hydraulic power available to the generator was estimated. Much construction and engineering work has gone into the design and partial build of this...
Part of the infrastructure of a disused mill in Dee, Oregon is being converted into a hydroelectric power station. A turbine and generator combination must be selected to match the flow and pressure at the bottom of the penstock. One old penstock route is being abandoned and replaced with a...
This project calculates the melting temperature as a function of pressure for a system defined by the Lennard-Jones 12-6 potential using molecular dynamic simulations. In a single atomistic simulation, the initial conditions are manipulated such that both a liquid and solid phase exist when thermal equilibrium is reached. Phase coexistence...
The focus of this presentation is to demonstrate the functionality of the Multi Application Small Light Water Reactor (MASLWR) thermal hydraulic test facility and it’s natural circulation operating behavior as well as analyze the ability of a RELAP5-3D model to simulate this behavior. The MASLWR facility is introduced with a...
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...
Over half of the U.S. coastline is found in Alaska, and the majority of the state’s economic activity occurs along the coast. Increased coastal development poses a potential threat to nearshore habitats in Alaska. The installation of artificial reef (AR) systems can mitigate habitat loss; however, few AR systems have...
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...
For many years, scientists worldwide have been using glacial ice to reconstruct and study Earth’s past climates. While the most continuous records we have are from sites near both poles, there is also mid-latitude perennial ice in the form of mountain glaciers and cave ice. Very little is known about...
The toxicity of a group of oxygenated polycyclic aromatic hydrocarbons (OPAHs) was investigated using embryonic zebrafish. An immediate goal was to determine the relative toxicity of these compounds and to explore the toxicity mechanisms. It is thought that some OPAHs cause toxicity by binding and activating the aryl hydrocarbon receptor...
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...
Aging is a process that all living species experiences and it also is greatly to study and understand the aging process with the aim of extending human life span. Protein homeostasis is one of the main hall mark of aging. Based on previous data, it observed that cells from long...
Many plant-associated Gram-negative bacteria, such a Pseudomonas syringae pv tomato DC3000 (PtoDC3000), use a type III secretion system (T3SS) to establish a host-microbe relationship with compatible plants. The T3SS resembles a molecular injection mechanism that allows the bacteria to deliver type III effectors (T3Es) directly into the cell of the...
Red clover (Trifolium pratense) seed yields in Oregon are significantly reduced by the Clover Root Borer (CRB), Hylastinus obscurus. Since the CRB develops in clover roots and only emerges above ground briefly to mate and disperse, insecticides are ineffective for its control. In contrast, biological control may have potential as...
Studying the evolution of the Milky Way galaxy helps us understand our place in the Universe. Early evolution of the Galaxy can effectively be studied by observing stars with low metallicity values since they are the oldest stars still visible. Due to the formation of the Galaxy, the oldest stars...
Children’s self-regulation has been found to be an important predictor of later school success.
This study examined relations between family mobility and children’s self-regulation in preschool.
Using a diverse sample of 477 preschool children, results indicated that the number of moves a family made in the past five years was...
This project investigated transient photoconductivity in organic donor-acceptor (D-A) systems, where a flourinated anthradithiophene, ADT-TES-F, acts as the donor. Various acceptor molecules were used, with different sidegroups, and different HOMO (highest occupied molecular orbital) and LUMO (lowest unoccupied molecular orbital) energy level offsets relative to the acceptor. Thin film composites...
Some studies suggest that attention can be captured by irrelevant, salient objects when they appear rarely. We addressed this issue using the N2pc effect, a lateralized, negative voltage spike in the brain potentials in parietal cortex, thought to reflect attentional allocation. A cue display was followed by a target display...
Cryopreservation depends on the equilibration of cells with high concentration of cryoprotective agents (CPAs). However, the addition of CPAs can induce damages to the cells. One of the damages is due to too much shrinkage or swell of the cell volume which lead to the cell death during the addition...
Objective: To determine the association between glycemic (blood sugar) control levels and social support among people with type 2 diabetes enrolled in a lifestyle intervention program; in addition, to determine whether the association of glycemic control to social support depends only on social support received or the congruence of desired...
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...
Increased coastal development poses a potential threat to nearshore habitats in Alaska, and artificial reefs (AR) are an increasingly popular tool for mitigating habitat loss. Although well studied in tropical and temperate locations, less is known about AR efficacy in high latitude locations. Since ARs are heavily influenced by ecological...
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 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.
Lentisphaera araneosa is a marine microorganism, and its production of expolymer plays an important role in marine ecosystem. The exopolymer production in L. araneosa is studied by measuring the growth of bacteria (in cells/mL) and the viscosity of the medium (in centistokes) under different treatments. The treatment without serine and...
NS2 is a novel HIV protein confirmed to be expressed from an open reading frame alongside the Pol open reading frame. Furthermore, NS2 has been shown to be critical to viral replication and to localize in the nucleolus of the nucleus. The mechanism of NS2 function is currently unknown. A...
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...
Glioblastoma multiforme is a form of primary brain cancer in humans with a 5 year survival rate of less than 4%. Glioblastoma cells are characterized by their highly invasive nature linked to mutations in key signaling proteins such as PTEN, resulting in loss of expression of this lipid phosphatase. When...
The potential of the developing zebrafish model for toxicology and drug discovery is limited by inefficient approaches to manipulating and chemically exposing zebrafish embryos—namely, manual placement of embryos into 96- or 384-well plates and exposure of embryos while still in the chorion, a barrier of poorly characterized permeability enclosing the...
The Jewett Mine is a hard rock mine located on the southern flank of Mount Baldy, approximately 1.6 km from Grants Pass in Josephine County, Oregon on the Grants Pass mining district. The Jewett Group contains 7 separate claims totaling approximately 1.42 km² and consists of several workings including an...
Fermentation time in the cellar directly affects potential brewery production as a whole. It is of practical interest to decrease time needed where possible and increase efficiency. Decreased lag time in beer fermentations allow for higher production and efficiency in the brewery as well as decreased risk of contamination. This...
Aim: There is growing interest in pharmacologic ascorbate (Asc) and its therapeutic properties (Levine et al. Adv Nutr 2011;2:78). W e examined cell viability, histone deacetylase (HDAC) expression, and related protein modifications in cancer versus non- cancer colon epithelial cells following exposure to Asc.
Methods: MTT assays were conducted in...
A previous dual-task study (Lien, Ruthruff, Cornett, Goodin, & Allen, 2008) provided evidence that people have difficulty identifying words while central attention is devoted to another non-word task. In that study, participants performed an auditory Task 1 regarding tone pitch and a visual word Task 2. However, it’s possible that...
Mt. Hood, in north-central Oregon, has experienced 13 M ≥ 3.0 earthquakes since 1980. 1812 earthquakes that range in magnitude from -1.1 to 4.5 have been recorded in the region during the same time frame. This paper analyzes four of the larger earthquakes to provide moment tensor solutions and relocated...
Alpha tocopherol plays a critical role in preventing lipid peroxidation within the body. Lipid peroxidation within the brain is hypothesized to be a possible mechanism of degenerative diseases such as Alzheimer’s and dementia. Due to the high amount of DHA, a long chain poly unsaturated fatty acid in the brain,...
Cisplatin (CDDP) is a highly active platinum-containing chemotherapeutic agent for use against solid tumors, including ovarian. However, like most antitumor agents, CDDP use is accompanied by non-tumor tissue toxicities leading to unwanted side effects, including neuropathy. To date, the mechanism(s) for these side effects are undefined. However, the clinical features...
During mitosis, sister chromatids are separated by the action of the mitotic spindle. The mitotic spindle attaches to chromosomes at centromeres through a protein complex called the kinetochore. While ~100 proteins have been identified at kinetochores and centromeres, the function of most is poorly understood.
The centromere protein, CENP-T (Centromere...
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,...
The case study, Implications of Energy Density on Weight Loss, examined the relationship between the consumption of energy dense foods such as whole fruits, whole vegetables and fiber with weight loss. The case study examined four participants from the LITEN Up study, which focused on the effects of a diet...
The play "No Exit" was written by Jean Paul Sartre, adapted from the French by Paul Bowles and produced by special arrangement with Samuel French, Inc. This play was directed by Abbey Pasquini in the Oregon State University Lab Theatre From April 18th to the 21st. Copy of poster and...