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...
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.
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 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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
The growth of a plant’s root system is essential for its survival. Preliminary observations suggest that a protein complex called the exocyst may play a role in the development of the root system by facilitating the growth of roots and root hairs. Previous work discovered a protein that potentially interacts...
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...
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...
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...
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...
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...
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,...
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...
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;...
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.
The DUNE near detector will be used to characterize the LBNF neutrino beam and to predict the neutrino fluxes at the DUNE far detector. Because of the different detector locations with respect to the beam-line, energy spectra at the two detectors will be slightly different, even in the absence of...
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...
This poster describes the development and implementation of a new course in data information literacy for graduate students. Curricular materials were drawn from the New England Collaborative Data Management Curriculum (NECDMC), the DataONE Education Modules, and the MANTRA online course materials. The pedagogical approach for the course combined outcomes-centered course...
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...
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.
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
The transition from high school (HS) to college can prove to be a
difficult one for many HS students. In becoming acclimated
within the academic and social realm of a college experience the
individual is offered an opportunity to develop many lifestyle
habits such as diet, sleep and most notably...
The quality of relationships in early childhood have lasting effects on children’s academic and behavioral success. Teacher report is the most widely used measure to assess the quality of the teacher-child relationship, however teachers are often biased by the child’s behavior. Observed quality of the relationship may illustrate differences in...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
Over 70% of the Antarctic krill population exists along the Antarctic Peninsula, a region undergoing rapid climate change. Recent studies have shown a clear correlation between krill recruitment each spring and the timing and coverage of sea ice the winter before, with less sea ice and a shorter duration being...
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...
Self-directed mobility is a fundamental human right. Typically developing children engage in mobility for a majority of their day, but children with disabilities do not have the same opportunities. Children with disabilities are at a disadvantage and have a greater risk for developmental delays in physical and cognitive skills, along...
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....
A novel approach for the colorimetric detection of creatinine in a paper/polycaprolactone hybrid microfluidic device using alkaline3,5-dinitrobenzoate (DNB) is described. The reaction parameters of reagent concentration, alkalinity, and analysis time are optimized for fast reaction times and high color yield. Microfluidic devices incorporating this assay are designed and fabricated to...
During fall term of 2015 and winter and spring term of 2016 I assisted in research within Dr. Emily Ho’s lab. The project that I assisted in looked at the effects of low zinc status and arsenic exposure in mice. Zinc is an essential micronutrient involved in numerous cellular processes...
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...
Tyria jacobaeae was introduced as a biological control agent to control the noxious weed Jacobea vulgaris. Eventually introduced to the Cascade mountain range of Oregon, T. jacobaeae has been found to feed on Senecio triangularis, a native plant closely related to J. vulgaris. Nosema tyriae is a parasitic fungus under...
The Cinnabar moth, Tyria jacobaeae, has been introduced to North America in an effort to control the invasive plant Jacobaea vulgaris. The Cinnabar moth is the main host of Nosema tyriae. When infection levels are high, N. tyriae can shorten the lifespan and affect reproduction of the Cinnabar moths. The...
Background: Breast cancer is the most common cancer among women. In 2012, over 220,000 women were diagnosed with breast cancer in the United States. It has been hypothesized that dairy may play a role in breast cancer; however, the evidence has been inconsistent and limited. Proposed mechanisms linking dairy and...
It has been found that youth who are involved in their own growing and harvesting of produce and also prepare and cook their own meals have been found to be more likely to consume the vegetables and meals they themselves cook and prepare.
Many youth are not consuming the recommended...
• Bladder Cancer in the United States has
progressively been one of the more common
cancers and is estimated to have 74,000 new
cases as well as 16,000 deaths in 2015.1
• This type of cancer also has one of the highest
rates of recurrence with an average of 60%...
Vitamin D sufficiency supports cardiovascular health and lower cancer risk. Rates of vitamin D insufficiency vary by racial/ethnic group, in part because skin pigment limits sunlight penetration. However race/ethnicity is an unreliable marker of vitamin D deficiency, given individual differences in skin pigment, or phototype, and other characteristics. Clarifying associations...
Childhood obesity is a nationwide concern of which rural, urban, and suburban communities must be aware in order to take action. The goal for the research project, GROW Healthy Kids and Communities (GROW HKC), is to prevent childhood obesity in rural communities through the use of participatory action research and...
The HEXACO personality framework is an emerging perspective to explain the phenotypic structure of personality, and is believed to replicate across natural language lexical studies better than the Five-Factor Model. Although similar to the “Big Five,” the primary difference between the two structural models is the recovery of the Honesty-Humility...
Agrobacterium tumefaciens causes the economically important plant disease, crown gall. These galls are the result of abnormal growth that manifests itself on either the root or the stem and can be devastating for the ornamental plant industry. Introduction of A. tumefaciens to a nursery can be highly detrimental and thus...
ASD is characterized primarily by deficits in social and communicative skills, however recent studies show differences in motor skills as well when compared to typically developing children. Because of these differences, parents of children with ASD may portray different behaviors than parents of typically developing children. This research aims to find...
Background:
There are over four billion YouTube views per day with “music” the most searched topic. Among US internet users, 8.3 million YouTube users are under 18 years old. Incorporation of substance use imagery in YouTube videos has a considerable potential influence on young viewing audience behavior. This study identifies...
Objective: Cell phone use while driving (CPUWD) is an increasingly predominant form of distracted driving. Given the widespread prevalence of CPUWD, it is important for researchers to identify who is more likely to engage in this risky behavior. Prior research has focused largely on adolescent and young adult populations, and...
Background/Purpose: A variety of models have been proposed to understand individuals with disabilities. Although it is important to consider the perspective of disability each model presents, the social model has gained considerable attention. This model explains disability as limitations and restrictions of society and the environment. A subset of the...
Approximately 37.6% of Fiji’s population is comprised of individuals that have Indian descent (2007 census). This is primarily due to the recruitment of Indian indentured servants to work on the sugar plantations of Fiji during British colonial rule in the 1880s. Many descendants of these servants have since moved to...