Plastics have become an essential part of everyone lives, found in almost every product made today. Tires only make up a fraction of these products but as their use increasing so does the microplastics that flake off. Many studies have evaluated the toxic effects of tire particles on aquatic environments...
In the United States, the wild horse population exceeds the recommended carrying capacity by about 60,000 horses.
• Current contraceptive methods include: surgical (removal of ovaries), hormonal (progesterone, GnRH), and immunologic (porcine zona pellucida, GnRH).
• SPACA3 is a sperm surface membrane protein involved in sperm-egg plasma membrane adhesion and...
Future quantum technologies will require high-efficiency, on-demand sources of entangled photons. A possible route to building such light sources employs two-dimensional (2D) semiconductors interfaced with a source of Cooper pairs. To investigate the possibility of such devices, we are testing methods to make high transparency n-type contacts, p-type contacts, and...
Photosynthetic diatoms and marine bacteria contribute about one third of the net primary production in marine environments. Understanding the interactions between these two organisms is potentially important to the over all flow of carbon in the marine ecosystem.
Oregon Digital is a cultural heritage digital library that emphasizes the history of Oregon and the histories of the University of Oregon and Oregon State University. Originally released in 2014, Oregon Digital is currently being upgraded to the latest version of the Samvera community’s Hyrax release, a process that is...
Open Journal Systems (OJS) is an open source software application for managing and publishing scholarly journals that is used by thousands of journals worldwide. Oregon State University Libraries & Press shares an instance of OJS with University of Oregon Libraries that hosts several open access journals. So when Pacific University...
This research was an attempt at gaining insight into the nature of the incompressibility conditions of the Navier-Stokes Equations on the Unit Circle. We realized the Riesz transformation is given in R^3 after taking the Fourier Transform of the Neumann Boundary Value problem, but this is not well defined on...
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...
Anthropogenic CO₂ emissions are shifting the global climate equilibrium, causing widespread losses in biodiversity. Anthozoan cnidarians are some of the species most vulnerable to environmental change. Environmental stress causes corals and sea anemones to expel their endosymbiotic algae, which constitute a primary source of nutrition for some Anthozoa. Carbonic anhydrase...
Air pollution and pollution patterns have become a hot topic over the last several years. Many studies have been launched due to the increasing concern with air quality. As urban areas grow, atmospheric heavy metal pollution grows proportionally. Reducing atmospheric heavy metal pollution, and consequent health issues, requires monitoring and...
The Bread Lab Collective is a national group collaborating to develop nutritious, affordable, and approachable whole wheat sandwich bread.
• The criteria of the project was to test the shelflife of whole-wheat sandwich bread with less than 7 ingredients.
• Why Whole Wheat?
○ The “fiber gap” is a serious...
Marine sediment core OC1706B-02J (46° 15.4178 N, 125° 42.4543 W, at water depth 2263m), was collected on the lower continental slope near the base of the Willapa Canyon. It is a rapidly accumulating site (~30cm/kyr) located near the thrust front of the Cascadia Subduction Zone. The site is also adjacent...
Pseudo-Nitzschia (P/N) is a species of naturally occurring phytoplankton that contributes to harmful algal blooms (HABs) in the California Current System (CCS). P/N can produce domoic acid (DA), a toxin which accumulates in organisms that consume phytoplankton, leading to amnesiac shellfish poisoning in higher trophic levels. Thus DA can negatively...
Research poster for Summer Undergraduate Research Symposium 2019. Research was conducted with CURE funding in the Perez lab studying cellular senescence in the PS19 mouse model.
As one of database types, CSV type database is widely used by many people because the type serves various useful purposes for business, engineering, and environment. However, the CSV type database could be complicated to understand because it is usually written on spreadsheet like Microsoft Excel format. Therefore, data visualization...
Sablefish is a highly sought after seafood delicacy for which aquaculture of this species has recently been developed. By understanding the immunological functions in sablefish, our goal was to develop a mammalian fluorescent bioparticle assay that can viably analyze the efficiency of phagocytosis, an important function of the immune system....
The goals of this experiment highlighted in this poster were to find a suitable extractant to extract protein adsorbed onto iron oxide minerals and to determine whether those minerals can modify protein. Data obtained from this experiment provides crucial background information to study the effects hydrogen peroxide has on protein...
Who owns a dataset? Who gets to make decisions about a dataset? Librarians in a public research university developed a Data Usage Wizard, an open source tool that aims to engage students in learning about copyright in the context of decision making related to research datasets. Using the Wizard, students...
Librarians support student success through partnership with academic success units such as writing centers. This roundtable explored a range of writing center-library models, some based in service design thinking. Discussants sought to highlight practices, such as studio pedagogy, that lead to sustainable, mutually beneficial outcomes for libraries and writing centers....
With over three billion pounds of berries grown nationally each year, strawberries are an important economic contributor to agriculture in the US (Grubinger, 2012). However the strawberry industry in Oregon has been in a period of transition over the past few years. Strawberry acreage, planted and harvested, as well as...
Past research has shown that individual's word usage can reveal aspects of who they are and how they behave (Tausczik & Pennebaker, 2010). For instance, couples who use inclusive pronouns such as “we,” as opposed to singular pronouns such as "I" cope better in relationships (Moran, 2018). Further, the use...
Oral argument has always been an integral part of any appellate courts’ function. For most of the court’s history, both the advocates arguing before the Court and the judges presiding over the court were extremely similar; all being white males. However, the late 20th and 21st centuries have diversified both...
As a research-intensive institution with an emphasis on STEM fields, our collections and instruction reflect the scholarly communication of these fields. Typically, we highlight our collection’s academic resources such as journals and discipline-specific reference sources. While these sources provide a research-focused foundation for our students, they might not always spark...
The detection of white-nose syndrome (WNS) in King County, WA in 2016 prompted the National Park Service to mobilize region-wide bat monitoring and disease surveillance. One of the goals of the Pacific West Region WNS response plan was to implement acoustic monitoring to determine the distribution of bat species and...
The ambiguity plaguing the definition of empathy has not only been constrained to its content (i.e., assessing decoding or encoding) but how it is expressed in the individual (i.e., as a trait or ability). Any separation in the theorizing of a construct should be clearly reflected and labeled in the...
The largest source of uncertainty among climate models simulating the climate system response to increased atmospheric carbon dioxide concentrations is the cloud feedback, the amplification or dampening of the warming from the carbon dioxide forcing by clouds. Refining our knowledge of the cloud feedback is therefore essential to gaining a...
Any interaction with another person requires some judgement of their characteristics from a short amount of time. Each day a person can interact with many individuals and quick judgments have to be made in each situation to decide how to act or react. This means a person can make hundreds...
Do freshmen achieve less of their personal and academic short-term goals in comparison to upperclassmen?
Some may intuitively assume that due to age, or lack of experience, college freshmen would have lower perceived task-specific ability (self-efficacy) and actually achieve less (goal-completion ranging from 0% to 100%). Differences between various class-standing...
In this presentation we share how and why OSU Libraries and Calyx Press, Inc. are partnering to digitize so called at risk works. An international non-profit feminist press, Calyx brought many now-prominent authors to international attention, including the poet Sharon Olds and Nobel Laureate Wisława Szymborska. Supported by a National...
Oregon State University Libraries and Press (OSULP) committed in its 2012-2017 strategic plan to the long term maintenance and preservation of digital content. OSULP manages digital objects in two Samvera repositories: the ScholarsArchive@OSU institutional repository, regularly ranked in the top ten U.S. repositories by Webometrics, and Oregon Digital, a longstanding...
As engineered nanomaterials (ENM) become more common in consumer products, it is crucial to rapidly assess toxicity of unique ENM. Previous studies rarely focused on standardizing nanotoxicity testing, leading to inconsistent and irreproducible results. This study characterized a variety of ENM of different size, shape, core type, and surface charge...
Beneficial insects could provide valuable pest control services on Oregon Christmas tree farms, but a limited amount of data exist that quantifies the type and abundance of beneficial insects on farms. This study surveyed beneficial insects on two farms that differed in their management strategies as well as other abiotic...
Presented at the 2018 Celebrating Undergraduate Excellence showcase.
People respond more quickly and accurately when the stimulus appears in the same spatial location as the response than when it appears in the different location, even when stimulus location is irrelevant to the task. This robust phenomenon is know as a...
Coral reefs have become extremely vulnerable to rising ocean temperatures, with mass bleaching events increasing in frequency and severity. If bleaching events persist annually, models predict that more than 90% of reef species will face long-term degradation. However, recent evidence has shown that corals may be able to thermally acclimate...
A focus group format was used to investigate and identify favorable and unfavorable communications between two strangers, an AAC (Augmentative/Alternative Communication) device user and their communication partner. The principal interest was in the feedback gained from an ALS (Lou Gehrig’s disease) support group at the Salem Hospital which included participants...
Previous research has suggested that how a task is framed can have a significant impact on subsequent performance. These effects seem to be especially important in educational settings where learners are already self-conscious about their likelihood to succeed. Difficult subjects have shown to cause cognitive disequilibrium when confronting dead ends...
The science of how people interact socially with robots is still fairly young. One area of ongoing study is how people figure out the way the robot works -- that is, form a "mental model" of the robot. We are especially ignorant of how this happens over time, starting with...
The science of how people interact socially with robots is still fairly young. One area of ongoing study is how people figure out the way the robot works -- that is, form a "mental model" of the robot. We are especially ignorant of how this happens over time, starting with...
Provides an overview of the forty-year history of oral history work conducted at Oregon State University, with particular attention paid to the efforts of the Horner Museum from the mid-1970s to the early 1990s, as well as work done by the Special Collections and Archives Research Center (SCARC) at OSU...
The Transboundary Freshwater Dispute Database (TFDD) is a multifaceted global database that began in 1996 and includes a collection of international freshwater treaties, a database of water conflict-cooperation events, and a spatial database. Delineations of transboundary international river basin boundaries are the focus of the spatial database of which population,...
The goal of this research was to analyze what different types of perceived barriers affect student veterans' access to mental healthcare services. Previous research has shown that veterans who return from combat and later attend universities are not receiving adequate mental healthcare for mental health problems, including Post-Traumatic Stress Disorder...
Nanostars have many potential applications, particularly in biomedicine, such as drug delivery, detection assays, and even cancer treatment. Seeing how their plasmon changes in response to changes to the environment of the nanostars can give us an insight to the stability of the nanostars. Our current studies involve the effect...
The Abalone Fishery in one of Victoria’s most valuable commercial fisheries and most of the catch is exported to international markets in Asia (Japan, Hong Kong, Singapore, China). Target species consist of blacklip abalone and greenly abalone (<1% of total catch). The fishery is quota managed, and the total allowable...
REFEWLS - REnewable Food Energy Water on Land and Sea Nexus
This project will explore the connections between food, energy, and water uses along Oregon's mid coastal regions with a emphasis and focus on Newport. On average Newport uses approximately 2,000,000 gallons of water per day, but in the tourist...
Research in geoscience often requires transmission of significant amounts of data from remote locations. The emergence of microcontrollers and open-source sensors are allowing connectivity to affordable, distributed in-situ monitoring. This report describes the OPEnS Hub, a modular data hub orders of magnitude cheaper than commercial dataloggers when scaled to multiple...
Commercial fishing is one of the most dangerous occupations in the US. Surveys of Dungeness crab fishermen suggested that emergency preparedness was viewed as important for element of staying safe while fishing. Basic community first aid classes were not relevant for commercial fishermen and they requested tailored training for their...
Previous behavioral studies have suggested that the automaticity of face recognition depends on familiarity. We sought converging evidence for this claim using electrophysiological measures. In Experiment 1, participants first rated their familiarity with 6 male celebrities. They then performed dual tasks in which Task 1 required a tone/noise discrimination. For...
Symbioses are intimate interactions between two different organisms. In a pathogenic interaction, one organism benefits and the other is generally harmed; whereas in a mutualistic interaction, the members reciprocally benefit. Rhodococcus is a genus of Gram-positive bacteria that persist in a variety of terrestrial and aquatic ecosystems. Although better known...
Research of an outreach to industry alumni to identify weak points in our graduates competencies and attempting to close those gaps through various recommending various resources for the administration to offer.
The rise of digital scholarship within the humanities and social sciences presents new opportunities for stronger partnerships between librarians, scholars, students, and other campus units. While libraries and librarians can benefit digital scholarship projects throughout their lifecycle, researchers often seek library expertise when working with publishing platforms. As such, Oregon...
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;...
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...
The Mount Thompson 7.5 Minute Quadrangle is located in the central Boulder Batholith, between the cities of Butte and Helena. The Boulder batholith is host to numerous metalliferous vein deposits, including those in the Butte District. Recent USGS (EDMAP)-funded geologic mapping at 1:24,000 scale in the Mount Thompson Quadrangle during...
Photo voltaic solar energy is a clean source of energy with much lower carbon footprint than other sources. However, the vast land requirements of solar energy arrays may make installation impractical when available land is better suited for other purposes. The goal of this research was to investigate changes to...
The SAVE project, a three arm randomized-controlled study, utilized evidence-based health and safety training to teach brick masonry apprentices ergonomics, problem solving, and communication skills to reduce occupational musculoskeletal injury risk. Apprentices enrolled in the SAVE study were assigned at random to one of three groups receiving: 1) ergonomics training,...
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...
Biomass pretreatment-derived degradation compounds, such as furfural and 5-hydroxymethyl-furfural (HMF),inhibit the growth of fermentation microorganisms that utilize biomass to produce biofuels and chemicals. Here we report that manganese(III) can degrade furfural and HMF, making them less toxic to microorganisms. Treatment with manganese(III) reduced furfural and HMF concentrations in a dose-dependent...
Ice core records provide us a way to investigate past climate and look in detail at past atmospheric conditions. With, on average, higher CO2 concentrations in the Greenland record, the focus of this project was on the potential mechanisms responsible for the higher CO2 concentrations in the Greenland ice core...
Prostate cancer is the most common cancer among men in the United States. There are an estimated 115,024 incident cases so far in 2017. Risk factors for prostate cancer include age, black race, and family history of prostate cancer. In addition, healthful diet and lifestyle may affect risk of prostate...
After a joint injury, arthrogenic muscle inhibition (AMI) leads to decreased neuromuscular control and strength, as neural inhibition prevents volitional activation of the entire motor neuron pool. Traditional rehabilitation techniques such as strength training are unable to effectively reduce AMI and there is a need to identify interventions that can...
Consumption of raw dairy products has been linked to diseases such as Salmonella, Campylobacter, E. coli and Listeria. Current retail sale of raw milk in Oregon is limited to disease-free goat or sheep milk. Raw cow milk is legally for sale on farms with less than three cows. Consumers have...
The gas phase electron-diffraction (GED) technique has been the primary method used to expand our knowledge and understanding of gas-phase molecular structures. The technique yields interatomic distances and bond angles that are of use in both theoretical and experimental studies.
The GED structural parameters are thermal averages over all vibrational...
In rapid serial visual presentation, identification of the second of two
targets is impaired when it closely follows the first target. This attentional
blink (AB) effect suggests limited capacity in processing successive visual
stimuli in working memory. Awh et al. (2004) found that face identity
Target 2 was immune to...
Freezing to death in winter is a danger faced by ectothermic organisms throughout temperate climates. One adaptation of lepidopteran insects for overwinter survival is the sequestration of antifreeze solutes in the hemolymph prior to pupal diapause. This acts to depress freezing points during the long and immobile pupal stage during...
Self-disclosure is a complex process that impacts social, cultural, and individual contexts of people’s lives. Under ideal circumstances, disclosure strengthens social bonds, enhances intimacy in relationships, and fosters a more unified sense of the self. Disclosing information about a stigmatized identity, however, is associated with a variety of risks and...
The social and medical models of disability are sets of underlying assumptions explaining people's beliefs about the causes and implications of disability. The medical model is the predominant model in the United States that is associated with the belief that disability is an undesirable status that needs to be cured...
There are few modern isotopic ages of igneous rocks and polymetallic (Pb-Zn-Ag-Cu-Au) hydrothermal mineral veins of the Mt. Thompson quadrangle in southwestern Montana. Lithology ages of this region vary from approximately 85-80 Ma Butte granite(Kbg) (Lund et al. 2002) to 48.6 Ma of Lowland Creek Volcanic Field (LCVF) (Dudas et...
Effectively restoring or conserving bee habitat requires a better understanding of the complex relationship between bees and flowering plants, but information about bee preferences is currently lacking. The purpose of this study was to examine bee-plant associations in a riparian area of Starkey Experimental Forest and Range (Starkey) in eastern...
Agrobacterium tumefaciens and Rhodococcus fascians are plant pathogenic bacteria that can induce crown and leafy galls on plants, respectively. Infection by these bacteria results in disfigured, unsellable plants, leading to significant economic losses to the nursery industry. A. tumefaciens and R. fascians are capable of infecting a broad range of...
Using available APIs, we can have the ability to extract information from an online database and visualize the information. These information models are used to create services based on geographic, structural, and semantic data on the urban scale. Spatial data infrastructure is the arrangements used to enable the combination of...
Dibenzo[def,p]chrysene (DBC) is a polycyclic aromatic hydrocarbon (PAH) and an IARC classified 2A probable human carcinogen. Mouse progeny transplacentally exposed to DBC have been shown to develop lung and liver tumors, with liver tumors developing predominantly in males later in life. Sulforaphane (SFN) is an isothiocyanate that plays a crucial...
In rapid serial visual presentation, identification of the second of two targets is impaired when it closely follows the first target. This phenomenon is known as the attentional blink (AB) effect. Awh and his colleagues (2004) found that face discrimination was immune to AB when performed together with a digit...
Cancer is a hard disease to control because of its ability to spread to different parts of the body. Cancer cells can spread out from a primary tumor to distant organs which gives rise to new cancer cell colonies and more tumors over time. This process is known as metastasis...
The nasal spray market is growing as rates of use are increasing, however, there has been little research on the topical of how the mechanical properties of nasal sprays affect loading, comfort, and usability. To gather to make these comparisons, the data of 20 participants were gathered by measuring muscle...
A method for large quantity dsRNA production was developed since a small amount of dsRNA synthesized in vitro with commercial kits are used for small scale bioassay evaluations. Developing a large-scale production system for dsRNA is critical for practical RNAi application, especially for non-transgenic RNAi-based control. However, large-scale analysis or...
College students need accurate information to both prevent sexual assault and to access services following sexual assault. Effective communication serves an important public health role by reducing both assaults and psychological distress. In contrast, ineffective communication can both increase assaults and psychological distress. Little empirical research is available to guide...
Fever responses to an immune challenge have been studied in endothermic creatures, but studies of the equivalence is lacking in ectotherms. In this study, heterophil counts were shown to be significantly higher in individuals immune challenged with LPS when compared to a control group. This is indicative of an innate...
Despite being a highly charismatic and frequently exhibited organism,
Giant Pacific Octopus (Enteroctopus dofleini) population dynamics
are poorly understood. Basic monitoring data for this species is
limited to bycatch and stomach contents of other fisheries species. An
essential step to a better estimation of population size and
productivity is to...
The U.S. National Marine Fisheries Service, and its precursor agency, has collected information about the cost of commercial fishing since the 1950’s. The efforts were intermittent and geographically sporadic until 2000 when a systematic approach was developed and supported by ongoing budgetary commitments. Information about which fisheries within each region...
Moebius Syndrome is a congenital neurological disorder that results in weakness or paralysis of the sixth and seventh cranial nerves, resulting in inability to form facial expression. The current study examined the relationship between orientation of describing Moebius Syndrome and the participant ratings of pictures of individuals with Moebius Syndrome...
Parasites are increasingly recognized for their significant roles in shaping community structure and ecosystem dynamics. Due to their cryptic nature, however, they are often neglected in measurements of energy flow and biomass in ecosystems. Past studies have demonstrated that parasites directly contribute to the flow of energy through marine estuaries...
Traditional visual survey methods for marine mammals can only detect a fraction of the animals present. Even if the animal can be observed from the surface, visual limitations such as time of day and weather conditions can impede this ability. Recent advances in passive acoustic monitoring technologies have led to...
The European green crab, Carcinus maenas, is a generalist predator that has established invasive populations throughout the
world, including the west coast of North America. In Oregon, strong cohorts of green crabs recruit only during major El Niño
events. The goals of this study are to: 1) compare the abundance...
The European green crab, Carcinus maenas, is a generalist predator that has established invasive populations throughout the world, including the west coast of North America. In Oregon, strong cohorts of green crabs recruit only during major El Niño events. The goals of this study are to: 1) compare the abundance...
Weed management is one of the main challenges for organic agriculture. Soil solarization has been shown to be an effective mitigation strategy for weeds and soil borne plant pathogens but few studies have been conducted in cooler climates such as the Pacific Northwest.
The symbiotic relationship between cnidarians, such as corals and
sea anemones, and dinoflagellates plays a crucial role in supporting
the diversity and productivity of coral reefs. Critical to the symbiosis
is the recognition process between host and symbiont at the onset
of symbiosis, which involves the host innate immune system....
Puerto Rico’s climate varies greatly even if it is categorized as a tropical climate. On some parts of the island, there are desert like conditions where rainfall averages 36 inches a year unlike the western side or the central part of the island where rainfall averages 200 inches.1 Heavy rains...
Accurate estimates of soil nitrogen (N) mineralization rate and timing are needed for refining N management practices. This paper describes a buried bag method that has been successfully included within agronomic field trials in the Pacific Northwest, USA. We have found this method to be technically simple and reproducible, and...
A poster explaining how the transtheoretical model can be applied to a case management intervention to help reduce BMI among a specific population. Specifically, this piece depicts the application of it to obese African American children by examining their eating habits and increasing their physical activity.
When people think of fossils, they generally imagine the bones of large, charismatic animals. However, small mammals are an ecologically important group of organisms that show up frequently in the fossil record, and can frequently function as indicators for local environmental and ecological conditions (Terry, 2007, 2010). Rodent and rabbit...
