Childhood tooth decay is a prevalent and concerning public health issue that is often misunderstood or dismissed. In Oregon specifically, over 50% of children have experienced at least one instance of tooth decay and these rates are even higher for marginalized communities such as children living in poverty, children of...
This study will use a COSMED K5 portable metabolic unit to expand on the limited knowledge of the energy demands of top rope rock climbing. Participants will be experienced, consistent rock climbers. Two route difficulties (5.8 and 5.10) will be analyzed using a repeated measures randomized design to determine differences...
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Timothy Burnett
Background: Abstract
This study will use a COSMED K5 portable metabolic
Modern product development is a complex combination of multidisciplinary processes ranging from market research to design, engineering analysis, and logistics. The product development process has a significant impact on the success or failure of new product launches. The majority of consumer product launches fail, resulting in significant sunk cost in...
Cell lines deficient in certain genes of the DNA mismatch repair (MMR) system show a marked resistance to the cell killing or apoptotic effects of DNA alkylating agents. The molecular mechanism for this resistance is not yet understood, but is currently of great interest because of the recent use of...
Innovative nanoelectromechanical switches (NEMS) have the prospects to reduce device actuation voltages as compared to traditional semiconductor devices. Current research on NEMS seeks to avoid irreversible adhesion at the nanoscopic level, which results in device failure. Minimizing leakage currents and increasing device longevity are additional goals of this approach. The...
DiskGrapher is a graphical visualization tool designed to help users better manage the
space on their hard drives. The main goal of DiskGrapher is to provide a different
visualization technique to display information, with the goal of providing a more intuitive
understanding of the directory structure of the disk than...
A financial processor is the most important component of a credit union‘s IT infrastructure. A database storing member demographic information, account balances, and transaction history, it performs financial calculations, such as interest, dividends, and maturities. It also provides a user interface, allowing tellers and financial service representatives to manage accounts...
Chitosan based hemorrhage control dressings provide effective external hemorrhage control while having few side effects. Known residual contaminants present in chitosan formulations include endotoxins and proteins known to stimulate gene expression in the liver. This study investigated gene expression in the liver using rat bio-compatibility models to gain knowledge regarding...
The opportunistic pathogen Pseudomonas aeruginosa possesses two LuxR-LuxI
type quorum-sensing systems that use diffusible acyl-homoserine lactone molecules to
autoinduce and coordinate expression of multiple virulence factors. We conducted a highthroughput
screen for mutants deficient in skim-milk proteolysis—a quorum-sensing
dependent phenotype—using a nonredundant transposon-insertion library representing
most nonessential genes in P....
With robots becoming increasingly commonplace in today’s society, we need to find ways to help robots to become better accepted. One common method used to gain acceptance and build rapport is through the use of humor. Currently, research in robot comedy exists, albeit it is fairly limited. Our goal with...
Most young musicians are taught to read music as early as they learn to play or sing. The first few pages of any beginning band book show a circle on a set of lines and spaces, declaring, “This is an A.” Of course, the circle is not an A. “A”...
Due to inefficiencies and unsustainable growth in health expenditures, a new
approach needed to be taken in the realm of healthcare. There was a need to increase
efficiency and value in order to achieve health outcomes. Hence, arose the concept of the
Coordinated Care Organization (CCO). CCOs are seen as...
Brucella canis is a zoonotic proteobacterium causing brucellosis in dogs and other wild canidae. It is primarily spread to the fetus through the placenta, to other dogs through fetal fluids and vaginal discharge after abortion, and to mating partners through vaginal and seminal fluids. Transmission to other dogs can also...
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Timothy Hazzard, Committee Member, representing the Department of Animal and Rangeland
Sciences
Chlamydia possesses an immense importance within both human and animal medicine when looking at pathogens. Chlamydia trachomatis infections have been shown to affect both the eye and genital tracts in millions of humans and animals every year [13]. As C. trachomatis strains are highly conserved in patients, it has made...
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Timothy Hazzard, representing Animal and Rangeland Sciences
I understand that my project will
Postmortem diagnostics play an important role in the ability to understand the cause of death of an animal. However, removal from oxygen supply, either by surgical excision or at death, leads to cell and tissue decomposition. Knowledge about factors impacting reliability of test results is extremely important for accurate diagnostics....
Many domesticated animals, especially dogs, are selectively bred within a small population to select for and “fix” certain traits. This leads to decreasing genetic diversity and the potential for inherited health issues over time. The Saluki is a relatively rare breed of dog in the U.S. The Society for the...
Cyprinid herpesvirus 3 (CyHV-3), also known as koi herpesvirus (KHV), is a pathogenic and highly contagious virus that affects the Cyprinus genus. The mortality rate of the KHV infection is around 80-100%. KHV can become latent in the recovered koi and reactivate under stressful conditions. KHV can reactivate under various...
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Hazzard, Timothy, Committee Member, representing Department of Animal and Rangeland
Sciences
Black Friday is the biggest day of spending in the United States. In 2020, consumers spent $9 billion on Black Friday alone, a 21.6% increase from the previous year (Zaki). Extensive research has been done on the behalf of stores on what motivates consumers to spend large amounts of money...
Background: 250,000+ individuals injure an anterior cruciate ligament (ACL) in the United States annually. Individuals post-ACL surgical reconstruction (ACLR) are at elevated risk for ACL re-injury, potentially from kinematic and kinetic asymmetries. While studies have examined asymmetries at the hip and knee post-ACLR during landing, less is known about asymmetries...
The canine estrous cycle is unique compared to other domestic animal species. During estrus, serum progesterone concentrations ([P4]) rise two days prior to ovulation. In fact, the luteinization of pre-ovulatory follicles resulting in this initial increase in [P4] (1.5-2.5 ng/ml) cannot be temporally dissociated from the onset of the surge...
Domesticated dogs can form attachment bonds with their owners and use them as a secure base to receive comfort during distress and confidence to explore novel environments. Owners often adopt multiple dog in hopes they will have ameliorative effects during periods of absence from their owner. The purpose of this...
Heightened cortisol levels are a typical physiological response to stress. The many responsibilities of animal shelter workers can lead to increased stress levels and negative effects on their job satisfaction and overall wellness. As a result, workers are subject to burnout and compassion fatigue. While working in shelter environments may...
Polycystic Ovary Syndrome (PCOS) is an idiopathic disorder prevalent in ~5-10% of reproductive-aged women. In PCOS women who become pregnant, many experience complications including increased susceptibility of having a miscarriage, high blood pressure, and gestational diabetes, among others. Additionally, exposure to PCOS may have transgenerational impacts: offspring may be at...
Drosophila suzukii was a known pest of berries, grapes, and stone fruits in East Asia for almost a century. Yet in recent years it has successfully migrated throughout the United States, Mexico, and Europe due to globalized fruit trade. The invasive success of D. suzukii is causing unrest for fruit...
Infertility is an issue affecting millions of women across the globe, yet the causes are not fully understood, and treatment options are often ineffective. The evaluation of reproductive hormones has been a common tool used by fertility clinics as a way to predict the ovarian response to treatment and gain...
I researched depictions of dragons in several works of modern literature to conceptualize what a dragon looks like and how they generally function in popular media. From there, I researched several key characteristics of dragons to see how they work with science’s current understanding. I looked into size and scaling,...
Knowledge of Drosophila suzukii's preference for an attractive trap design and bait can be used to improve detection and management of this new invasive fruit pest. Desired trap and bait attributes include: high D. suzukii capture and species specificity; early-season detection prior to significant crop damage; higher capture of females...
The current generation of youth, sometimes called Millennials, has had a
reputation of political apathy. However, in recent years, youth voter numbers have gone
up. If an individual or organization wanted to continue this trend of increased youth
political participation, I wanted to explore the areas that could support or...
Introduction: Research has demonstrated that minimal shoes may help prevent ankle injuries by mimicking natural barefoot running. It has been proven that minimal shoes may help adults prevent injuries in the correct conditions, but little is known about the effect of minimal and barefoot running on youth kinematics. Purpose: To...
Conceivably one of the most recognizable names in written history, Plutarch
has long been lauded as an invaluable historical resource. A Greek living under
Roman rule in the first and second centuries, Plutarch exhibited an insatiable
curiosity, one which led him to dabble in philosophy, education, the priesthood, and
perhaps...
Host-selective toxins (HSTs) secreted by the pathogenic isolate of Pyrenophora tritici-repentis, BFP, are major pathogenicity factors in tan spot disease of wheat. Along with characterized HSTs such as Ptr ToxA (ToxA), BFP secretes at least two more uncharacterized toxic components. In an attempt to identify these additional components, 12 candidate...
Dead or Less Himself is a novel concerning creative impotence and the ways in
which people become repressed and stagnate through expectation, isolation, and over-analyzing. The novel takes place across high school to chart the ways the characters
change or refuse to change as they “grow up.” The novel is...
Ocean deoxygenation is predicted to increase in severity over the next few decades, posing a threat to marine life and fishing economies. Improved predictions of ocean deoxygenation depend on a better understanding of the biogeochemical mechanisms that underly this process. Within the realm of biogeochemical mechanisms, this project specifically investigated...
Few navigation-assistance technologies for vision impaired individuals are practical due to inhibiting factors such as cost, comfort, convenience, and overall usefulness of the assistance. This thesis will present the design and implementation of a navigation assistance system intended to address these concerns. The presented system improves on existing technologies by...
Background: The use of a lower extremity injury prevention program (IPP) by female athletes before the completion of puberty may mitigate movement changes that develop during puberty and contribute to greater injury risk. It is unknown whether player age influences coaches’ knowledge, attitudes, and behaviors surrounding IPPs. Methods: Fifty-four female...
A short (approximately 8 minute) video was created to explain key concepts in estuarine flow and numerical modeling of estuaries for high school students. Animation, real picture videography, and numerical model outputs were used to illustrate how scientists use physics and physics models to understand how flow in an estuary...
Sunscreen products are used worldwide to protect the skin from ultraviolet radiation. However, some of the ingredients used in sunscreen products are fatal to coral reefs especially in areas where tourism is a large part of the economy. In this study, we explored a synthetic route to produce 4-deoxygadusol, which...
Christian communities vary widely in their degrees of acceptability or apprehensiveness toward newly developing technologies, ultimately aiming to help individuals optimally grow in their relationships to God and with others. Technologies viewed as conducive to accomplishing these goals are more likely to be accepted by Christian communities. Technologies viewed as...
Our laboratory group is studying the molecular target of a novel, broad-spectrum antiviral compound known as ST-669. This compound has activity against a variety of different viruses and also obligate intracellular bacteria in the genera Coxiella and Chlamydia. The goal of this thesis project was to help elucidate the mechanism...
Chilean society has been changing rapidly for the last few decades during a time of rapid economic growth. Some sociological and economical analyses state that when a nation grows, inequality between the rich and poor grows too, leaving the poor behind. The Chilean economy is the most rapidly growing in...
The current American free-roaming horse (Equus caballus) population far exceeds the appropriate population limit set by the Bureau of Land Management (BLM) to preserve resources on public lands. Several techniques have been tested to assist in decreasing repopulation rates. The purpose of the present study was to analyze two contraceptive...
Psychedelics and entheogens began as religious sacraments. They were apotheosized for their mind-expanding powers and were thought to open realms to the world of the Gods. It was not until the first psychedelic compound was discovered in a laboratory setting a mere hundred years ago that they entered into formal...
This study compared and analyzed the practice of pediatricians in Salem Pediatric Clinic, Salem, OR, USA with physicians in Hospital de Niños Dr. Ricardo Gutierrez, Buenos Aires, Buenos Aires, Argentina in the treatment of acute otitis media in children. It was found that Argentine and USA practices for treatment of...
Transgenerational immune priming occurs when an adult is exposed to a parasite or other pathogen and then transmits information to its offspring through protective phenotypes to cope with the same pathogen (Moret, 2006). There has been evidence for transgenerational immune priming in various invertebrates (Tidbury et al. 2011). Here we...
