Characterizing special nuclear material (SNM) is critical for nuclear security and non-proliferation. Temporal spectroscopy is a novel and efficient method for characterizing relative material content of special nuclear material. Fission products produced by SNM after being irradiated by a thermal neutron beam can have different half-lives, but can contribute to...
Interest in performance specifications has been growing in the civil and construction industry in the past decade. One major focus area has been on understanding how to prolong the service life of concrete structures, since repair and rehabilitation of existing infrastructure have cost many trillions of dollars. Deterioration mechanisms such...
Analog-to-digital converters (ADCs) are the key building block for sensor applications, such as wireless communications and digital electronics. These applications require ADCs to have medium to high accuracy (normally from 10-14 bits) and relatively low signal bandwidth (ranging from 100Hz-150kHz). Since these applications are often powered by batteries, high power...
Ecological restoration is needed to mitigate losses to biodiversity. Restoration success is enhanced through the use of native plant materials that are genetically diverse and locally adapted. Seed transfer zones have been developed to delineate geographic areas where native seed can be collected and distributed with reduced risk of maladaptation....
The existence, sources, distribution, circulation, and physicochemical nature of macroscale oceanic water bodies have long been a focus of oceanographic inquiry. Building on that work, this paper describes an objectively derived and globally comprehensive set of 37 distinct volumetric region units, called ecological marine units (EMUs). They are constructed on...
The Roger Revelle Commemorative Lecture Series was created by the Ocean Studies Board of the National Academies in honor of Roger Revelle to highlight the important links between ocean sciences and public policy. Dawn J. Wright, the eighteenth annual lecturer, spoke on April 28, 2017, at the Smithsonian National Museum...
Background: Legislators, policy-makers, and leaders in higher education and within communities, are increasingly turning to place-based scholarships, or “promise programs”, to encourage college enrollment and address growing public concerns regarding college affordability. One such program, the Oregon Promise, was implemented across the state of Oregon in the fall of 2016....
A flipped classroom provides students with course content in the form of videos, readings, and/or simulations that they complete during the time traditionally used for homework assignments while in-class time is devoted to hands-on group learning activities. Project BoxSand is gathering quantitative data on how students in a flipped classroom,...
This presentation examines how the Korean War influenced academic life at Oregon State College and later Oregon State University. By profiling students and faculty involved in the conflict, new insights emerged into how war transforms higher education. Three Oregon State perspectives encapsulate the turbulent 20th-century geopolitics of the Korean peninsula....
Since the 1960s, Vietnamese scholars have written autobiographical literature catered to the American public though they have not gotten as much recognition as soldier accounts and anti-war literature. These Vietnamese literatures shifted in scope and form with the succeeding waves of refugee resulted from the war in Việt Nam. As...
Computational simulations of disks are becoming an important tool to predict the the evolution of protostars and disks to better understand the formation of planets. Past research has shown that the evolution of disks and their protostar can be altered through the interaction between gravity and hydrodynamic instabilities. We perform...
This study examines the ways in which community college transfer students develop a sense of belonging at the four-year institution. This inquiry was guided by a constructivist epistemology and qualitative methodology. Data was collected through conducting one-on-one interviews and focus groups to gather information on how transfer students develop a...
The mangrove ecosystem has served as a life-support system to large populations of coastal dwellers in Ecuador for many generations. Diverse communities comprised of multi-racial and multi-ethnic groups have formed along the edge of the mangrove forests throughout the Ecuadorian coast. These groups self-identify as being part of an “ancestral”...
Natural durability remains one of the most attractive characteristics of wood, and helps wood obtain a premium price. A worldwide shift towards the use of younger trees from intensively managed forests has created greater concerns about wood quality, especially the wood’s resistance to fungi and insects. Wood durability is assessed...
Due to threats of secondary salinization caused by increased saltwater intrusion upstream associated with climate change, this thesis examines how salinity affects the development and oviposition site selection habits of three Oregon coastal breeding amphibians, the Roughskin Newt (Taricha granulosa), the Northern Red-legged Frog (Rana aurora) and the Pacific Treefrog...
Introduction: Youth in foster care face greater rates of trauma and subsequent mental health challenges (Bruce et al., 2009; O’Neill et al., 2012; Seltzer et al., 2012; etc.) that place increased burden on their caregivers (Daniel, 2011; McKeough et al., 2017), suggesting that these specific groups of youth in foster...
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...
This dissertation focuses on indoor free-space optical communications systems for use in short range wireless networks. We propose that current radio frequency wireless links be augmented or replaced with optical frequency links due to overcrowding in the radio frequency spectrum. Optical frequencies contain hundreds of terahertz of unregulated bandwidth and...
The term out‐of‐hospital has long been used as a kind of shorthand to refer collectively to births that occur in birth centers or at home. However, this term has also been a persistent cause of concern among health care providers who attend births in these settings, and researchers and midwives...
The Remember Center (TRC) is a long term care center for previously trafficked children. In Ghana, there is a huge child trafficking problem because of the impoverished state the country is in and the lack of involvement from the government. With the fishing industry depleting because Lake Volta is running...
Innovation is critical for firm growth and survival. Thus, how much value firms create and capture from their innovative activities has been an interest of scholars. This dissertation explores three important questions on this topic to which extant literature has paid little attention. First, I examine how the external threat...
A study which analyzes the impact of husband's exposure to political violence on intimate partner violence perpetration and identifies factors associated with help-seeking among women in Gaza and the West Bank. Further, a qualitative component examines Gazan women's narratives regarding IPV and help-seeking and barriers faced.
This Thesis examines Brazil’s political and historical context to explore and understand the logics behind the high rates of violence in our society. It focuses in education as one of our main vehicles of disseminating knowledge and therefore culture, language and values that might be contributing and perpetuating sexism, racism,...
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...
Histones, as part of nucleosomes, are responsible for DNA packaging in chromosomes. They also affect DNA expression by a multitude of post-translational modifications, especially prevalent on the amino terminus of histones. Co-activator protein complexes “write”, “read”, or “erase” histone modifications, and in balance determine which sections of DNA are free...
Small molecule drugs have been instrumental in our fight against diseases, beginning when some of the earliest ancient cultures used plant remedies to treat illnesses. More recently, the skill of isolating and characterizing the active ingredients within bioactive plants and microbial extracts has led to the isolation and design of...
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...
Catalogers can create subject headings on topics related to the U.N. Sustainable Development Goals. This presentation, given at the Federal University of Agriculture, Abeokuta, focuses on two examples: preparing subject heading proposals for indigenous peoples of Oregon and for crops which are nutrient dense and economically sustainable.
This presentation, the lead paper at the Libraries, Information Scientists and Cybernetics in a Knowledge Economy Conference, Abeokuta, Nigeria, provides an overview of recent changes in metadata creation. Topics covered include Resource Description and Access after the 3R Project, the Resource Description Framework, BIBFRAME, the Library Reference Model, and Linked...
This thesis describes in-vitro and in-vivo evaluation of a transdermal atenolol formulation developed at Oregon State University, College of Pharmacy. The formulation was prepared from carbomer as a gel base with propylene glycol, glycerol, ethanol, polysorbate 80 and dimethyl-isosorbide (DMI) as mixture of penetration enhancing agents. The effect of the...
Minimal research has focused on the social dimension of sustainability in the built environment especially as it relates to the construction workforce. As a result, there are few to no tools available to industry stakeholders to holistically assess and improve the social sustainability of the construction workforce. Given the high...
In the last two decades, there has been an increase in substantial body of work on the inclusion of women in the water management and governance field. However, these scholarly inquiries have mostly focused on cases from the Global South, where women are still underrepresented in decision-making positions in the...
Intracellular delivery of mRNA holds great potential for vaccine and therapeutic discovery and development. This is realized by the preeminent role mRNA is playing in the record-breaking pace of SARS-CoV-19 vaccine development. Recent advances in chemical modifications of mRNA have enabled high-efficiency gene expression with superior spatiotemporal control while eliminating...
Positive Youth Development (PYD) is both a set of outcomes and a program model that serves to support youth in building healthy relationships with adults and developing the strengths necessary for healthy adulthood. It centers around the 5 C’s of compassion, character, competence, confidence, and connection, which lead to a...
The purpose of this study was to investigate the relationship between student involvement in tutoring and timely completion of an associate’s degree among first-time, full-time students attending Oregon rural community colleges. Timely completion was defined as earning an associate’s degree within three years. Propensity score matching was used to control...
This study aimed to investigate the effects of Advanced Placement Environmental Science on the pro-environmental behaviors and beliefs in high school juniors and seniors at a high school in central New Jersey. Using a pro-environmental behaviors scale adapted from earlier research by Astrid Leeuw (2015) in conjunction with the theory...
Mass timber is emerging as a viable form of construction around the world in new markets for wood buildings. The entrance into these markets has driven the demand for more knowledge to enable designs alongside other structural materials such as steel and reinforced concrete.
Large, in-plane tests on cross-laminated timber...
The Altar Valley is an important working landscape that supports biodiversity and vulnerable species in Pima County, Arizona (Huckelberry 2000). This semi-desert grassland, alluvial valley and 713,807-acre watershed composed of 39 subbasins serves as an aquifer to a portion of southwestern Tucson. This region of Southern Arizona has been identified...
Novel graphite intercalation compounds (GICs) and associated chemistry have been explored, specifically: (1) containing alkyl- substituted imidazolium cations; (2) a series containing alkaline earth metal (Mg, Ca, Sr, Ba) cations with ethylenediamine (en) co-intercalates; (3) showing reversible intragallery M-M bonding and (4) via electrochemical intercalation of Mg cations with potential...
This exhibit was designed to increase awareness of the stories and voices of women who are not heard enough in our Oregon history of women’s rights. Systemic white supremacy, racism, and sexism combine to render some women less visible than others in our history. These women might not have been...
Martha Grahm reputedly said, “a dancer is an ‘athlete of God’” (Theys, 2010). Yet dance and exercise and sport science (herein referred to as exercise science) are often viewed as unique entities, sometimes dividedly so. Our contention is that dance and exercise science mutually benefit when the two disciplines are...
Despite the dissemination of comprehensive reviews and teacher-friendly resources describing evidence-based practices to improve student outcomes, the adoption of these practices is slow and inconsistent across instructors at colleges and universities. To help reduce this research-practice gap, I argue for the application of implementation science to teaching and learning research...
Pacific salmon are culturally and economically important species to Southeast Alaska, where there is a history of large wild runs and supplemental production from hatchery programs. Salmon management in Alaska is divided amongst various governmental agencies. Non-governmental organizations also play a pivotal role in salmon management. To fulfill the requirements...
A substantial fraction of estuarine tidal wetlands have been lost to development or other human uses in the Pacific Northwest since the 1800s. Wetland restoration, typically through tidal re-connection, can restore normal tidal hydrology to these areas and improve estuarine capacity to support ecosystem functions and services. Restoration may initiate...
Recently there has been a large amount of research into basic human movement as a baseline for robotic motion. Robotic grasping is a challenging problem for a number of reasons. One of which is that it is difficult to accurately know the interaction between the hand and the object, especially...
Research has confirmed a lack of diversity and persistence of underrepresented populations in the STEM fields. Recruiting and retaining more women and people of color into STEM fields has long been a goal of higher education, per a notable lack of women and people of color who enter and complete...
Knowledge of the pore solution composition and pore solution resistivity can be helpful for determining the durability of concrete structures. Most notably, pore solution resistivity can be used in the calculation of the formation factor of concrete, which is a ratio of the electrical resistivities of concrete and its pore...
The COVID-19 pandemic has shed a light on the need for people to trust in medical science. With the need for 70% of Americans to be vaccinated to achieve herd immunity but 30% have reported vaccine hesitancy, now more than ever do we need to redouble our efforts to ensure...