Index Catalog // ScholarsArchive@OSU

Differences in Evolutionary History and Ploidy Type Shape the Interactions of Populus tremuloides Michx. with Climate

Creator:: Greer, Burke Thomas
Abstract:: Quaking aspen (Populus tremuloides Michx) is a species with high phenotypic plasticity and a broad distribution that, in the last decade, has experienced climate stress-induced mortality called Sudden Aspen Decline (SAD). In order to help mitigate the effects of SAD in the future, we need a better understanding of aspen’s...
Resource Type:: Dissertation
Full Text:: histories differ in their climate occupancy. Greer, Burke Thomas; Still, Christopher; Howe, Glenn T

The role of costimulation and adjuvants in the development of T cell effector and memory responses

Creator:: Maxwell, Joseph R.
Abstract:: T cells are one of the key cells in the immune system. Although they are not the first line of defense against a pathogen, their functions can greatly enhance the phagocytosis and destruction of pathogens as well as the development of antibody responses. Furthermore, even when responding T cells have...
Resource Type:: Dissertation
Full Text:: Costimulation and Adjuvants in the Development of T Cell Effector and Memory Responses. Abstract approved

Health status in migrant and seasonal farm workers, and other clients in a community and migrant health center

Creator:: Greer, Marsha
Abstract:: Unknown questions remain concerning the health of migrant farm workers, seasonal farm workers, and other rural poor people. The objectives of this study were to determine the demographic profile of a sample from a Community and Migrant Health Center; to determine the prevalence of disease in migrant farm workers, seasonal...
Resource Type:: Dissertation
Full Text:: clients in a community and migrant health center AN ABSTRACT OF THE DISSERTATION OF Marsha Greer for

Heat treatment characteristics of heavily doped epitaxial silicon materials

Creator:: Wijaranakula, Witawat
Abstract:: Nucleation and growth kinetics of oxygen precipitates and bulk defects in epitaxial silicon wafers were investigated. Low temperature nucleation heat treatments were applied to the well characterized epitaxial silicon wafers before and after the epitaxial deposition processing. Subsequently the wafers were heat treated at a high temperature. In the case...
Resource Type:: Dissertation
Full Text:: Heavily Doped Epitaxial Silicon Materials Redacted for privacy Abstract approved: Peter M. Burke

Sea-air CO₂ flux variability on the northeast Pacific continental margin

Creator:: Evans, Wiley
Abstract:: Carbon dioxide (CO₂) fluxes between the ocean and atmosphere on continental margins are difficult to diagnose because these regions experience large variability over spatial and temporal scales spanning meters to basins and hours to years, respectively. In a global sense, continental margins could represent a significant atmospheric CO₂ sink, equivalent...
Resource Type:: Dissertation
Full Text:: Peter G. Strutton Burke R. Hales Carbon dioxide (CO2) fluxes between the ocean and atmosphere

Effects of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) on Staphylococcal Enterotoxin B(SEB)-induced alterations in T-cell activation and cytokine production

Creator:: Huang, Wentian
Resource Type:: Dissertation
Full Text:: -Tetrachlorodibenzo-p-dioxin (TCDD) on Staphylococcal Enterotoxin B (SEB)-Induced Alterations in T-Cell Activation

Altered ovarian and uterine function in response to intravascular infusion of long chain fatty acids in nonpregnant ewes

Creator:: Burke, Joan M.
Resource Type:: Dissertation
Full Text:: . Burke for the degree of Doctor of Philosophy in Animal Science presented on October 13, 1994. Title

An autoethnography of whiteness

Creator:: Burke, Deborah A.
Abstract:: Many White social scientists and educators are unaware of and/or detached from the realities of racism and conduct social research that 1.) perpetuates stereotypes, falsely setting People of Color as inferior and White people as superior and/or 2.) explains the differences of White people and People of Color in terms...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Deborah Burke for the degree of Doctor of Philosophy in Education presented on

Investigation of the mechanism of 3,3',4,4',5,5'-hexachlorobiphenyl-induced suppression of cytotoxic T lymphocyte activity in C57B1/6 mice : endocrine and cytokine dysregulation

Creator:: DeKrey, Gregory K.
Resource Type:: Dissertation
Full Text:: '-hexachlorobiphenyl-induced suppression of cytotoxic T lymphocyte activity in C57B1/6 mice : endocrine and cytokine

Biaxial fatigue behavior of commercially pure titanium Ti-50A (Grade 2) and low-alloy titanium Ti-Code 12 (Grade 12) heat exchanger materials

Creator:: Tobias, Benjamin C.
Abstract:: Material failures in heat exchangers are often closely tied to events associated with the conditions of service and operating parameters. These events can generally be attributed to adverse load application and higher than optimum operating temperatures that could lead to changes in the microstructure of the materials and fatigue failure...
Resource Type:: Dissertation
Full Text:: : Dr. Peter Burke - my graduate committee member, for his much needed advice and literature procurement

Life in a Rapidly Changing Environment: The Thermal Biology of the Red-sided Garter Snake (Thamnophis sirtalis parietalis)

Creator:: Hubert, David L.
Abstract:: At a time when environmental conditions are rapidly changing, understanding how thermal extremes impact wildlife is imperative to fully understanding the consequences of climate change in natural ecosystems. While many organisms are currently impacted by rapidly warming and more erratic environmental conditions, identifying and investigating model species whose life histories...
Resource Type:: Dissertation
Full Text:: T. Mason At a time when environmental conditions are rapidly changing, understanding how

The uptake, transformation, and physiological response of the marine red macroalga Portieria hornemannii to the nitroaromatic explosive 2,4,6-trinitrotoluene (TNT)

Creator:: Cruz-Uribe, Octavio T.
Abstract:: The capability of the marine red macroalga Portieria hornemannii to remove and detoxify the nitroaromatic explosive 2,4,6-trinitrotoluene (TNT) in a seawater environment was evaluated using an axenic microplantlet suspension culture system. Microplantlets were challenged with TNT dissolved in seawater at concentrations of 1 to 50 mg L-1 in well-mixed photobioreactors...
Resource Type:: Dissertation
Full Text:: THE DISSERTATION OF Octavio T. Cruz-Uribe for the degree of Doctor of Philosophy in Chemical

Phenotypic and Transcriptomic Evolution of the Circadian Clock Network in an Intertidal Marine Crustacean

Creator:: Schneck, Daniel T.
Abstract:: Daily cyclical changes of light are brought on by the axial rotation of the Earth while seasonal changes in light are caused by Earth’s tilt as it revolves around the sun. Major life history traits, such as development, which are tied to metabolic processes, have a strong link to the...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Daniel T

Dynamic seascapes : a quantitative framework for scaling pelagic ecology and biogeochemistry

Creator:: Kavanaugh, Maria T.
Abstract:: Understanding and modeling microbial responses and feedbacks to climate change is hampered by a lack of a framework in the pelagic environment by which to link local mechanism to large scale patterns. Where terrestrial ecology draws from landscape theory and practice to address issues of scale, the pelagic seascape concept...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Maria T

Examination of Multiple Air Pollutant Exposure, the Food Environment, and Low Birth Weight in Los Angeles, County

Creator:: Coker, Eric S.
Abstract:: Exposure to urban outdoor air pollution is ubiquitous and low birth weight represents an important health disparity in the United States. While previous research suggests that exposure to outdoor air pollutants are associated with term low birth weight, few studies have evaluated the effects of multipollutant outdoor air exposures or...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ John T. Molitor Exposure to urban outdoor air pollution is ubiquitous and low birth

Calorimetric study of the respiratory metabolism of peach (Prunus persica L. Batsch.) seeds during stratification and its relationship to seedling growth

Creator:: Moreno-Simunovic, Yerko M.
Resource Type:: Dissertation
Full Text:: Breen, Mike Penner, Mike Burke and my graduate representative Dr. Alvin Mosley. Each of you was

Adaptive Potential of Coastal Invertebrates to Environmental Stressors and Climate Change

Creator:: Burton, Andrea R.
Abstract:: Climate change presents multiple stressors that are impacting marine life. As carbon dioxide emissions continue to increase in the atmosphere, atmospheric and sea water temperatures increase. In addition, more carbon dioxide is absorbed into the oceans, reducing pH and aragonite saturation state, resulting in ocean acidification (OA). Tightly coupled with...
Resource Type:: Dissertation
Full Text:: , Molly Burke, and Stephen Ramsey for all their continuous help over the years. My ability to work with

Formulation and pharmacokinetics of melatonin

Creator:: Konsil, Julraht
Resource Type:: Dissertation
Full Text:: . J. Mark Christensen, Dr. Joseph A. Mc-Guire, and Dr. Michael J. Burke for their valuable advice and

New Insights on the Southern Ocean Carbon Cycle from Biogeochemical Argo Floats

Creator:: Williams, Nancy L.
Abstract:: The Southern Ocean plays an important role in the ocean’s uptake of heat and carbon yet the processes controlling this uptake are not well understood. To date, more than 100 biogeochemical profiling floats that measure water column pH, oxygen, nitrate, fluorescence, and backscattering at 10-day intervals have been deployed throughout...
Resource Type:: Dissertation
Full Text:: other members of my committee: Richard Feely, Burke Hales, and Ricardo Letelier. You have challenged

Model-based approximation methods for reinforcement learning

Creator:: Wang, Xin
Abstract:: The thesis focuses on model-based approximation methods for reinforcement learning with large scale applications such as combinatorial optimization problems. First, the thesis proposes two new model-based methods to stablize the value–function approximation for reinforcement learning. The first one is the BFBP algorithm, a batch-like reinforcement learning process which iterates between...
Resource Type:: Dissertation
Full Text:: functions. In Eq 1.1, time is regarded as a sequence of discrete steps, {1, 2, 3, · · · , t, · · · }. Rt

Chemopreventative and chemotherapeutic properties of whole cruciferous vegetables and phytochemical components in acute T-cell lymphoblastic leukemia/lymphoma

Creator:: Shorey, Lyndsey E.
Abstract:: Acute lymphoblastic leukemia (ALL) encompasses a spectrum of lymphoid progenitors that have undergone malignant transformation and clonal proliferation at various stages of differentiation. Some cases of ALL have been documented to have prenatal origins and in particular neonatal exposure to various environmental pollutants is associated with increased disease risk, including...
Resource Type:: Dissertation
Full Text:: Acute T-cell Lymphoblastic Leukemia/lymphoma. Abstract approved: David E. Williams

Water relations, stomatal conductance, and abscisic acid content of container-grown apple (Malus domestica Borkh.) plants in response to sorbitol-induced osmotic stress

Creator:: Guak, Sunghee
Abstract:: Sorbitol-induced osmotic stress (SIOS) to the root was found to be effective in reducing transpirational water loss in plants during water stress. Mechanisms of SIOS in stomatal control were investigated in containerized apples (Malus domestica Borkh. 'Gala'/M26) when leaf water potential (Ψw), osmotic potential (Ψs), turgor potential (Ψp), stomatal conductance...
Resource Type:: Dissertation
Full Text:: to Sorbitol- Induced Osmotic Stress. Abstract approved: rr —t -^—..y

Absciscic acid induction of environmental stress tolerance in plant cells

Creator:: Tanino, Karen K.
Resource Type:: Dissertation
Full Text:: Horticulture i/yyv t • muw^m. Dean of Gr^dgate School Date thesis is presented August 14. 1989

Cryopreservation of in vitro-grown apical meristems

Creator:: Chang, Yongjian
Abstract:: Alternating temperature (22°C / -1°C) pretreatments were effective for increasing cold hardiness and recovery of cryopreserved meristems. Combining low temperature pretreatment with abscisic acid (ABA) or sucrose treatments reduced the time required for optimal cold hardiness of meristems. Desiccation tolerance was directly correlated with increased cold hardiness and recovery of...
Resource Type:: Dissertation
Full Text:: University libraries. My signature below authorizes release of my thesis to any reader upon request. T

Explorations Into Who is Doing Freshwater Science and How We are Altering Waterscapes

Creator:: Abernethy, Erin F.
Abstract:: The United States of America and the world are faced with three massive intertwining challenges at this time: COVID-19, racial inequity, and climate change. As a species, humans must come together and collectively address these challenges to preserve our humanity and make our world a more just and livable place...
Resource Type:: Dissertation

Molecular and physiological aspects of maize embryo maturation

Creator:: White, Constance N.
Abstract:: Experiments were performed to assess regulatory factors governing maize embryo maturation and vivipary. Both visual and molecular markers of embryo development were used to examine the roles of the hormones abscisic acid (ABA) and gibberellins (GAs), as well as water stress in governing transit from early embryogeny to maturation-phase development....
Resource Type:: Dissertation
Full Text:: Lomax, Da llice Mills, Michael Burke, who have variously offered very useful scientific insights

Diversity and Evolution of Sexual Traits in Ground Beetles (Family Carabidae)

Creator:: Gomez, R. Antonio
Abstract:: Biologists have long been fascinated with reproductive traits, in part because they are frequently exaggerated or showy, and they commonly vary among closely related species. Exaggerated sexual traits, in particular, have been the focus of intense empirical and theoretical research, but most of this work has focused on traits involved...
Resource Type:: Dissertation
Full Text:: , Devlin Montfort, Molly Burke, and Virginia Weis for their guidance and unwavering belief in me during

Quantification of vegetation diversity and variation on intact and degraded rangelands

Creator:: Dysart, Patricia L.
Abstract:: Vegetation diversity in the Wyoming big sagebrush/Thurber needlegrass (Artemisia tridentata Nutt. ssp. wyomingensis Beetle & Young/Achnatherum thurberianum (Piper) Barkworth. syn. Stipa thurberiana Piper) plant association was studied across a condition class gradient in southeastern Oregon. All observable vascular plant species were counted during 6 seasons and 2 years and diversity...
Resource Type:: Dissertation
Full Text:: opportunity to work with you. Thank you for serving as my major professor. To Dr. Michael Burke, Dr. William

Psychological and Linguistic Processes in Treatment Related Text Messages

Creator:: Partch, Megan A.
Abstract:: Treatment providers seek low-cost, high-impact means of engaging clients in care with the aim to enhance treatment delivery and outcomes. With improvements to mobile technology making cell phone accessibility and usage rates high across all socio-economic levels, text messaging is becoming more frequently utilized as a means of promoting provider-client...
Resource Type:: Dissertation
Full Text:: pursued my educational goals. My Dissertation Committee, Drs. Burke, Cazares-Cervantes, Eakin and

Ocean Acidification Impacts on Bivalves at Multiple Organizational Levels: From Individual Larvae to Bivalve Aggregations Habitats

Creator:: Gimenez Calvo, Iria
Abstract:: Many marine bivalves are sensitive to ocean acidification (OA) stress and often show heightened sensitivity during brief early larval and post-larval life stages, potentially leading to population bottlenecks. Most of the evidence to date has been collected in laboratory experiments that focused on physiological responses at the organismal level under...
Resource Type:: Dissertation
Full Text:: like to thanks Dr. Burke Hales for encouraging me to be a rigorous, quantitative scientist, and for

Jumping in with Both Feet: Exploring Factors that Shape Juvenile Amphibian Movement

Creator:: Bredeweg, Evan M.
Abstract:: Investigation into how animals move within the landscape is important for both understanding of ecological processes and conservation management. Animal movement is important in shaping life history transitions, demographics, individual fitness, and species distributions. However, as landscapes become increasingly affected by human activities, movement becomes important as species navigate landscapes...
Resource Type:: Dissertation
Full Text:: Saenz, Matt Kaylor, Katie Moriarty, Brandon Chasco, Jonathon Valente, Tara Chestnut, Burke Greer

Magnetic particles for selective extraction of trace analytes in microfluidic devices

Creator:: Tennico, Yolanda H.
Abstract:: The development of micro total analysis systems (µTAS), also called “lab-on-a-chip”, or microfluidic analysis systems, is presented in this dissertation. Various research areas, covering subjects from magnetic particles synthesis to novel microchip fabrication techniques, are explored to develop a lab-on-a-chip system capable of performing magnetic bead-based bioassays. These devices are...
Resource Type:: Dissertation
Full Text:: Analytes in Microfluidic Devices Abstract approved: Vincent T. Remcho The development of

The social construction of crisis: Deconstructing the complex pathways linking disaster, conflict, and peace

Creator:: Peters, Laura E. R.
Abstract:: We are witness to an ever tighter coupling between natural hazard-related disasters ("disasters") and violent social conflict ("conflict"). Previous research has established that disaster has the propensity to lead to conflict, and conflict, in turn, has been found to contribute to disaster vulnerabilities. The field of disaster diplomacy, by contrast,...
Resource Type:: Dissertation
Full Text:: T. Wolf We are witness to an ever tighter coupling between natural hazard-related disasters

In vivo detoxification of acetic acid in Saccharomyces cerevisiae

Creator:: Ding, Jun
Abstract:: The studies described in this thesis were motivated by ongoing efforts to develop lignocellulosic biomass as an efficient and practical source of renewable energy. Enormous problems complicate these efforts to reduce reliance on greenhouse gas-generating fossil fuels. Simply obtaining the fermentable sugars available in the cellulose and hemicellulose components of...
Resource Type:: Dissertation
Full Text:: cerevisiae Abstract approved: Alan T. Bakalinsky The studies described in this thesis

Low temperature thermal analysis of some boron halide complexes with weak Lewis bases

Creator:: Lerch, Ronald Edwin
Abstract:: Thermal analysis was used to investigate the following seven systems: H₂S-B₂F₄, SOF₂-B₂F₄, COC1₂-B₂F₄, SF₄-B₂F₄, Xe-BF₃, NF₃-BF₃, and NF₃-BC1₃. In two of the seven systems compound formation was observed. In the system, H₂S-B₂F₄ the compounds H₂S[superscript .]B₂F₄ and 2H₂S[superscript .]B₂F₄ are formed. The compound H₂S[superscript .]B₂F₄ has a melting point of...
Resource Type:: Dissertation
Full Text:: . The system has three eutectics at 16. 2, 35. 2 and 50.5 mole percent B2F4 and at -107.4 t 0. 3° C

West Nile virus : forecasting models for a resurging vector-borne disease in Arizona, U.S.A.

Creator:: Roldan, Josiah Javier
Abstract:: West Nile Virus (WNV), a vector-borne disease continues to be a serious threat to public health in the United States, particularly in the Southwest region. While all the states in the U.S. experienced a decreasing trend of WNV disease in 2010, the state of Arizona experienced a sharp increase from...
Resource Type:: Dissertation
Full Text:: : Anthony T. Veltri West Nile Virus (WNV), a vector-borne disease continues to be a serious threat to

Is dam development a mechanism for human security? Scale and perception of the Grand Ethiopian Renaissance Dam on the Blue Nile River in Ethiopia and the Xayaburi Dam on the Mekong River in Laos

Creator:: Veilleux, Jennifer Corinne
Abstract:: Human security is a framework related to the stability and sustainability of political, environmental, economical, and socio-cultural areas of concern. Water resources around the world are under increased pressure from increased development, growing populations, pollution, and global climate change. Large-scale dam development while still popular for political and economic development...
Resource Type:: Dissertation
Full Text:: Abstract approved: _____________________________________ Aaron T. Wolf Human security is a framework

Cobalt (II) complexes of Tertiary phosphorus esters : studies of spin state and coordination number equilibria, and of the autoxidation reaction

Creator:: Joedicke, Ingo Bernd
Resource Type:: Dissertation
Full Text:: (OEt)3-n was investigated in nitrobenzene and t-butylbenzene and the equilibrium constants Keq were

Patterns and mechanisms : postcopulatory sexual selection and sexual conflict in a novel mating system

Creator:: Friesen, Christopher R.
Abstract:: Postcopulatory sexual selection—sperm competition and cryptic female choice—has become a major area of research over the past 40 years. Within this field there are many outstanding questions at every level of analysis, from proximate to ultimate. The fitness consequences for both sexes in the period after copulation and before fertilization...
Resource Type:: Dissertation
Full Text:: Selection and Sexual Conflict in a Novel Mating System Abstract approved: Robert T. Mason

Beyond Cooperation : Environmental Justice in Transboundary Water Management

Creator:: Watson, Julie Elkins
Abstract:: Since the Wolf, Yoffe, and Giordano 2003 Basins at Risk study, examining human interactions with transboundary water resources through a lens of conflict and cooperation has been a dominant paradigm. The Basins at Risk (BAR) method involves categorizing events on a scale from most conflictive (e.g. war or extensive casualties)...
Resource Type:: Dissertation
Full Text:: Cooperation: Environmental Justice in Transboundary Water Management Abstract approved: Aaron T. Wolf

RNA and DNA aptamers as affinity stationary phases for liquid chromatography and capillary electrochromatography

Creator:: Clark, Stacey L.
Abstract:: Due to a number of disadvantages associated with the use of antibodies as affinity stationary phases, researchers have recently began to explore the use of RNA and DNA aptamers for use as affinity stationary phases. These molecules have been shown to be a viable choice for applications in many methods...
Resource Type:: Dissertation
Full Text:: : Vincent T. Remcho Due to a number of disadvantages associated with the use of antibodies as affinity

Advanced studies on cyclic amino acids in neurological signaling and peptide antibiotics

Creator:: Blanchard, David, L.
Abstract:: L-pipecolic acid (L-PA) is the higher homolog of proline. It occurs naturally in many organisms, including primates, as an intermediate in lysine degradation. The pathway by which lysine is converted into L-pipecolic acid employs the enzyme Lpipecolate oxidase (L-PO), and appears to be tissue specific to the central nervous system...
Resource Type:: Dissertation
Full Text:: T. Mark Zabriskie L-pipecolic acid (L-PA) is the higher homolog of proline. It occurs

The metabolism of vitamin B₆ in humans and guinea pigs

Creator:: Wozenski, Janet Regina
Abstract:: The purposes of the research presented in this thesis were: (1) to determine the precision with which it is possible to measure changes in vitamin B6 compounds in the blood and urine following oral doses of levels of vitamin B6 (as pyridoxine) which are in the range of the normal...
Resource Type:: Dissertation
Full Text:: by: Lorraine T. Miller The purposes of the research presented in this thesis were: (1) to

Activation, modification and suppression of sex pheromone production in garter snakes

Creator:: Parker, M. Rockwell
Abstract:: Vertebrates communicate with one another and coordinate intraspecific reproduction by using a variety of sexually dimorphic signals, such as plumage, ornaments, sounds, and/or scents. These sexual dimorphisms are maintained by physiological factors, typically sex-specific hormones (though see Chapter 3 for an exception). The purpose of the research in this dissertation...
Resource Type:: Dissertation
Full Text:: : _____________________________________________________________________ Robert T. Mason Vertebrates communicate with one another and coordinate intraspecific

Extraction and production of n-3 polyunsaturated fatty acid concentrate from Pacific sardines (Sardinops sagax)

Creator:: Okada, Tomoko
Abstract:: Intrinsic characteristics of Pacific sardines were determined. The lipid content in sardines was initially low (6.79%) in the beginning ofthe season, increased to 22.95% in mid-August, and decreased slightly by the end of September. An inverse correlation (R² = -0.90) was found between lipid and moisture content. Analysis showed that...
Resource Type:: Dissertation
Full Text:: sasax) Abstract approved: MicEael T. Morfissfcy-- Intrinsic characteristics of Pacific sardines

Understory competition for resources in Pinus ponderosa forests of northeastern Oregon

Creator:: Riegel, Gregg M.
Abstract:: The objective of this research was to determine which environmental resources, light, water, and nutrients, control understory plant production and composition in a Pinus ponderosa forest in northeastern Oregon. A split-plot experimental design, with three blocks, four treatments, and 44 plots, was established in the summer of 1985. Twenty plots...
Resource Type:: Dissertation
Full Text:: graduate representatives, Drs. Don Horton, program meetings; Michael Burke, preliminary exam, and Tim

Interactions amongst Local and Global Drivers of Coastal Acidification in Estuarine Habitats of the Northern California Current

Creator:: Pacella, Stephen R.
Abstract:: The variability of coastal carbonate chemistry continues to provide significant hurdles for understanding interactions between anthropogenic and natural CO2 cycling and resultant effects on coastal acidification dynamics. Attribution of the anthropogenic component is vital for identifying the impacts of increasing atmospheric carbon on coastal habitats such as coral reefs, upwelling...
Resource Type:: Dissertation
Full Text:: guidance in my development as a research scientist. My committee members, Burke Hales, Laurie Juranek

Dynamics of organic matter production and degradation during coastal diatom blooms

Creator:: Wetz, Michael S.
Abstract:: Experiments were designed to answer key questions about diatom-derived organic matter cycling (i.e., production and degradation) in coastal systems. Dissolved organic matter (DOM) production was examined in axenic batch cultures of five diatom species. Dissolved organic carbon (DOC) release rates varied between species, but were significantly higher for all species...
Resource Type:: Dissertation
Full Text:: being able to work with him. Thanks Ricardo! 4) Burke Hales, who I have had significant interaction

Quantifying Vulnerability of Agricultural Systems in India to Weather Extremes

Creator:: Kulkarni, Kedar
Abstract:: Extreme weather events are expected to increase globally due to climate change thereby posing substantial risks to agricultural communities. The implications are especially high for tropical countries like India as the heavy dependence of agricultural sector to uncertain monsoons makes its agriculture highly vulnerable to weather variability and extremes. In...
Resource Type:: Dissertation
Full Text:: 2 it + α ′ Xit + ri + �it;E(�i,t|Cit, Xit) = 0 (2.2) where, i and t indicate the entity and time

Hemoglobin-binding proteins in the amphibian Taricha granulosa

Creator:: Francis, Ralph T.
Abstract:: The first reported observation of hemoglobin association with a plasma protein was made by Polonovski and Jayle in 1938. Since that time, countless investigators have contributed to the characterization of the hemoglobin- binding plasma protein, haptoglobin. Haptoglobins have been found in many mammals, including humans and in various birds. However,...
Resource Type:: Dissertation
Full Text:: granulosa AN ABSTRACT OF THE THESIS OF Ralph T. Francis Jr. for the degree of Doctor of Philosophy in

Coronary heart disease risk factors in premenopausal black women compared to white women

Creator:: Gerhard, Glenn T.
Abstract:: Background: Premenopausal black women have a 2-3 fold greater rate of coronary heart disease (CHD) than premenopausal white women. The purpose of this study was to provide insight into the reasons for this difference. Methods and Results: We compared CHD risk factors in 100 black and 100 white, healthy premenopausal...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Glenn T. Gerhard for the degree

Spinal control differences between the sexes

Creator:: Johnson, Samuel T.
Abstract:: Despite years of research, females continue to have a higher incidence of non-contact ACL injuries. One of the major findings of this research is that males and females perform certain tasks, such as, cutting, landing, and single-leg squatting, differently. In particular, females tend to move the knee into a more...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Samuel T Johnson for

A Diachronic Linguistic Analysis of the Diagnostic and Statistical Manual of Mental Disorders (DSM)

Creator:: Rensi, Matthew T.
Abstract:: The Diagnostic and Statistical Manual of Mental Disorders (DSM) has reached a level of authority and ubiquity within the mental health field. It is the guidance force in insurance reimbursement or coverage for mental health treatment, determinations of disability related to mental health and in determinations of competence to stand...
Resource Type:: Dissertation
Full Text:: OF THE DISSERTATION OF Matthew T. Rensi for the degree of Doctor of Philosophy in Counseling

Metal Oxide Cluster Chemistries for Next Generation Nanomanufacturing

Creator:: Frederick, Ryan T.
Abstract:: Metal oxide clusters are promising inorganic photoresists in next generation nanomanufacturing because of their potential for high-resolution and low line-edge roughness patterning, and exceptional sensitivity to extreme ultraviolet (EUV) radiation. In EUV patterning, absorption of EUV radiation leads to electron emission that serve as a primary species for driving radiation...
Resource Type:: Dissertation
Full Text:: T. Frederick for the degree of Doctor of Philosophy in Chemical Engineering presented on May 11

The neuromuscular effects of a long-term static stretching program on the human soleus

Creator:: Hayes, Bradley T.
Abstract:: The purpose of this research was to evaluate the effects of a long-term static stretching program on flexibility and spinal reflexes in the human soleus muscle. Day-to-day reliability over two days of H-reflex gain (Hslp/Mslp) and pre-synaptic inhibition of spinal reflexes in the human soleus was measured in an initial...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERATION OF Bradley T. Hayes for the

Mathematical modeling of selection and crossbreeding in beef cattle

Creator:: Clarke, Stephen Emil
Abstract:: A mathematical model was developed to simulate alternative selection and crossbreeding strategies for commercial beef production. Biological and economic constraints were selected to represent typical pasture production of calves in the Northwest. The crossbreeding study evaluated the relative economic efficiency of different 1) mating plans when sire breeds of several...
Resource Type:: Dissertation
Full Text:: privacy Charles T. Gaains A mathematical model was developed to simulate alternative selection and

Predictors of Family-Teacher Relationship Quality in Early Care and Education: Type of ECE Program, Family Socioeconomic Status and Adverse Childhood Experiences

Creator:: Lewis, Hillary R.
Abstract:: Families and early care and education (ECE) programs are two important contexts in which young children develop (Bronfenbrenner & Morris, 2006). Nearly half of all preschoolers are cared for in nonrelative care (e.g. child care center, preschool, Head Start, teacher’s home; Laughlin, 2013), and ECE programs have the potential to...
Resource Type:: Dissertation
Full Text:: : ____________________________________________________________ Shannon T. Lipscomb Bridget E. Hatfield Families and early care and education (ECE

Determination of interfacial tension from optical measurements of nucleation rates

Creator:: Tadayon, Pooya
Resource Type:: Dissertation
Full Text:: Optical Measurements of Nucleation Rates. Abstract approved: Joseph W. Nibler Glenn T. Evans

Micro total analysis system for in-situ and autonomous spectrophotometric monitoring of iron in groundwater

Creator:: Koch, Corey R.
Abstract:: We have developed a compact micro total analysis system (μTAS) to serve as a platform for in-situ spectrophotometric water quality monitoring. Individual fluidic, optical, and electrical components were designed, developed, and characterized. These components were combined in both an integrated (single lithographic “chip-based” platform) and a modular manner. The microfluidic...
Resource Type:: Dissertation
Full Text:: Groundwater Abstract approved: Vincent T. Remcho

Interactive visualization of diversity in multivariate data sets unified across fields of study

Creator:: Pham, Tuan N. T.
Abstract:: The study of the diversity of multivariate objects shares common characteristics across disciplines, including ecology and organizational management. Nevertheless, experts in these two disciplines have adopted somewhat separate diversity concepts and analysis techniques, limiting the ability of potentially sharing and cross comparing these concerns. Moreover, while complex diversity data may...
Resource Type:: Dissertation

Identifying factors driving sensitivity to fragmentation in forest breeding songbirds

Creator:: Valente, Jonathon J.
Abstract:: Habitat loss and fragmentation are the greatest threats to biodiversity worldwide. Fragmentation impacts landscape configuration, resulting in a larger number of patches that are smaller in size and further apart from one another. Island biogeography and metapopulation theory predict populations in these remnant patches should be smaller, have higher extinction...
Resource Type:: Dissertation
Full Text:: support. I particularly thank Evan Bredeweg, Arianne Eason, and Burke Greer, for talking with me about

You are What, When, Where, and How you Eat : Mercury in Avian Food Webs across Multiple Spatial Scales

Creator:: Jackson, Allyson K.
Abstract:: Human alterations of landscapes take many forms, one of which is anthropogenic pollution. Mercury (Hg) is a complex contaminant because its uptake into the food web is not driven entirely by loading to the system; methylation is necessary to make Hg bioavailable and toxic to fish and wildlife. Because methylation...
Resource Type:: Dissertation
Full Text:: contributed to all aspects of this dissertation. Dr. David C. Evers, Dr. Joshua T. Ackerman, Dr. James J

Vitellogenesis : a biomarker for estrogenic and antiestrogenic effects of organochlorines in rainbow trout

Creator:: Donohoe, Regina M.
Abstract:: Persistent organochlorines (OCs) bioaccumulate in aquatic biota and potentially impair reproduction via endocrine disruption. The present research evaluated estrogenic effects of the OCs, chlordecone (CD) and o,p'-DDT/DDE, and the antiestrogenicity of 3,4,5,3',4',5'-hexachlorobiphenyl (345-HCB) in juvenile rainbow trout, utilizing vitellogenesis as a biomarker. Vitellogenesis, estrogen regulated hepatic production of the yolk...
Resource Type:: Dissertation
Full Text:: . Schaup and Dr. Mark T. Zabriskie. This work would not have been possible without the generous

The physiology of Picea grafts

Creator:: Beeson, Richard C.
Resource Type:: Dissertation
Full Text:: unsuccessful grafts, when ¥ declined below a critical point, T transpiration increased while turgor pressure

Identifying QTLs for Sustainability Traits (Disease Resistance and Malt Quality) in the Facultative/Winter 6-rowed Elite Malting Barley GWAS Panel, the TCAP FAC-WIN6

Creator:: Belcher, Araby Ruth
Abstract:: This dissertation consists of a general introduction, three research manuscripts, and general conclusions regarding the mapping of quantitative trait loci (QTLs) for sustainability traits in the Triticeae Coordinated Agricultural Project (TCAP) facultative/winter 6-rowed elite malting barley genome-wide association studies (GWAS) mapping panel, the TCAP FAC-WIN6. The first research manuscript, a...
Resource Type:: Dissertation

Clinical nutrition managers' responsibilities and professional development strategies

Creator:: Witte, Sandra Sue
Abstract:: Dietetic professionals integrate knowledge and expertise in food, nutrition, management and people and apply their skills in a variety of settings. As the changing scene in health care has necessitated enhanced management of resources, the clinical nutrition manager (CNM) has emerged as a dietetic professional in hospitals applying sound management...
Resource Type:: Dissertation

Examining Agricultural Household Welfare through Output Marketing Choices and Land Market Efficiency : Evidence from Rural India

Creator:: Dickson, Caleb
Abstract:: Development research and policy aim to improve household welfare by improving access to assets and economic opportunities (Besley & Burgess 2000; Deininger et al. 2003). In rural and agrarian contexts, these goals may be achieved by well-functioning markets for outputs, inputs, off-farm work, and credit. The status of these markets...
Resource Type:: Dissertation

Measurement of 239Pu, 237Np, and 238U Fission Product γ Rays

Creator:: Tamashiro, Aaron S.
Abstract:: Fission product yields (FPYs) are used for a wide range of applications including nuclear fission theory, nuclear reactor design, reactor antineutrino anomaly, stellar nucleosynthesis, and nuclear forensics. These applications rely on FPYs that were last evaluated in 1993, which included measurements from all over the world up until 1993. In...
Resource Type:: Dissertation
Full Text:: . Jason T. Harke and the rest of the Millennium Falcon lab group at Lawrence Livermore National

Expanding Diagnostic Assays for Pseudoloma neurophilia & Description of the Progression of Infection in Adult Zebrafish Populations

Creator:: Schuster, Corbin J.
Abstract:: Pseudoloma neurophilia is the most common pathogen reported in zebrafish (Danio rerio) research facilities and is an important threat to the zebrafish model. This microsporidian parasite can cause clinical disease, but more importantly is a causative agent of non-protocol induced variation in research. Studies utilizing infected zebrafish, could potentially confound...
Resource Type:: Dissertation
Full Text:: ., Hayward, S., Miller, T. L., & Jerry, D. R. (2017). Use of environmental DNA (eDNA) and water quality data

Energetics and mechanics of swing phase during terrestrial locomotion

Creator:: Nelson, Frank E.
Abstract:: Previous attempts to understand the factors affecting the energetic cost of locomotion have found a direct link between the energetic cost and the mechanical work done during periods when the limb is in contact with the ground. However, when the limb is not in contact with the ground during the...
Resource Type:: Dissertation
Full Text:: members John A. Ruben, Robert T. Mason, and Alfred Menino for challenging, guiding and supporting me

Distribution, Abundance, and Settlement of Slope-spawning Flatfish during Early Life Stages in the Eastern Bering Sea

Creator:: Sohn, Dongwha
Abstract:: Changes in environmental conditions in marine ecosystems could directly or indirectly influence distribution, abundance, settlement, and size at settlement of flatfish. Understanding species-specific and age-specific responses to environmental variability is important for managing commercially important flatfish stocks. Slope-spawning flatfish whose offspring rely on extensive drift from the slope (spawning) to...
Resource Type:: Dissertation
Full Text:: facilities. I also thank William T. Stockhausen for providing the particle-tracking model (DisMELS) used in

Mutual mate choice in a terrestrial salamander, Plethodon shermani, with long-term sperm storage

Creator:: Eddy, Sarah L.
Abstract:: Sexual selection can influence the mating system of an organism through multiple mechanisms. These mechanisms result in variation in reproductive success among individuals, and include scramble competition, endurance rivalries, contests, mate choice and cryptic choice, and sperm competition. Understanding the mating system of a species requires the identification of which...
Resource Type:: Dissertation
Full Text:: National Academy 106, 10025-10032. Edward, D. A. and Chapman, T. 2011: The evolution and significance of

Nutritional Management of Beef Cows During Late-Gestation to Enhance Offspring Productivity

Creator:: Marques, Rodrigo Da Silva
Abstract:: Two experiments evaluated nutritional management of late-gestating beef cows to enhance offspring productivity. The objective of experiment 1 was to evaluate the effects of organic and inorganic Cu, Mn, Zn, and Co supplementation to beef cows during late-gestation on performance and physiological responses of the offspring. The objective of experiment...
Resource Type:: Dissertation

The function of zinc in the maintenance of DNA integrity in vivo

Creator:: Song, Yang
Abstract:: Approximately 12% of Americans do not consume the amount of zinc equal to the Estimated Average Requirement for zinc and could be at risk for marginal zinc deficiency. Zinc is an essential component of proteins in the defense against oxidative stress and DNA damage repair. Specifically in the prostate, zinc...
Resource Type:: Dissertation

Hydrogen/deuterium exchange mass spectrometry as a technology platform for studying conformational dynamics in large protein complexes

Creator:: Nirudodhi, Sasidhar N.
Abstract:: Proteins are essential to all biological systems. Proteins participate in numerous cellular processes by interacting with other proteins, other metabolites and membranes in a dynamic environment. Studying the structural and conformational properties of proteins in the solution phase is necessary to understand their protein folding and interaction dynamics. This research...
Resource Type:: Dissertation
Full Text:: . Victor Hsu, Dr. Vincent T. Remcho, Dr. Jan Frederik Stevens and Dr. Oksana Ostroverkhova. I would like

Mycotoxicoses in domestic livestock: toxicity of ergot alkaloids in domestic poultry and fusariotoxins in beef cattle

Creator:: Roberts, Heaven Le A.
Abstract:: Mycotoxins are food-borne toxins produced by molds which are commonly found on animal feeds of economic significance. Toxic doses of these compounds vary widely across livestock species, and even within a species when considered across all stages of development and production. This variation is due to the wide range of...
Resource Type:: Dissertation
Full Text:: deoxynivalenol (4-deoxynivalenol, a type B trichethecene) and T-2 toxin (a type A trichothecene

New Insights into Mantle Dynamics from Helium Isotopes and Argon Geochronology

Creator:: Konrad, Kevin
Abstract:: Earth’s mantle extends to nearly 3000 km depth, comprises >80 % of Earth’s total volume, and has the largest influence on the primordial and radiogenic heat budget. Despite its importance, the structure and composition of the mantle is still debated. There are three primary models for Earth’s mantle structure that...
Resource Type:: Dissertation
Full Text:: Earth’s mantle. Burke, K., Steinberger, B., Torsvik, T. H., and Smethurst, M. A., 2008, Plume gener

Homeodomain Transcription Factor Pitx2 is Required for Muscle Maintenance and Energy Homeostasis

Creator:: Lattier, Vera C.
Abstract:: Skeletal muscle, the largest organ in the body in mass, is composed by 600 specialized muscles in humans with unique biochemical, physiological and metabolic identities. Skeletal muscles control body movement, locomotion, and nutrient balance. Muscle formation requires precisely orchestrated environmental signals and regulatory gene networks in time and space. Gene...
Resource Type:: Dissertation
Full Text:: Pitx2 results in repression of T-box genes and activation of Hox9-11 genes in the abdominal wall

Design Principles of Transition Metal X-ide Catalysts for Electrochemical Oxygen Reduction and Evolution Reactions: In-Situ X-ray Spectroscopy Studies

Creator:: Wang, Maoyu
Abstract:: Hydrogen is the green fuel that can be produced from water through electrolysis and used via hydrogen fuel cells to generate electricity with zero carbon dioxide emission. The commercialization of electrolyzers and fuel cells is the critical step to achieving global carbon neutrality. However, it is severely hampered by the...
Resource Type:: Dissertation
Full Text:: thank Dr. Qing Ma, Dr. George E. Sterbinsky, Dr. Alpha T N’Diaye for their help on the XAS

Preventing crown gall disease using oncogene silencing or VirE1-expressing transgenics

Creator:: Humann, Jodi L.
Abstract:: Crown gall disease is caused by the ubiquitous soil bacterium Agrobacterium tumefaciens which transfers a portion if DNA (T-DNA) into the plant cell. Preventing infection by using the biocontrol strain Agrobacterium radiobacter K84 is currently the only defense for crown gall. Two different resistance strategies were examined in this work....
Resource Type:: Dissertation
Full Text:: a portion if DNA (T-DNA) into the plant cell. Preventing infection by using the biocontrol strain

Influence of irrigation and plant population on yield parameters, flower and pod abscission, and photosynthate distribution in snap beans, Phaseolus vulgaris L.

Creator:: Mauk, Craighton Stiles
Abstract:: During 2 seasons effects of high and low irrigation (water applied at -0.6 and -2.5 bars soil water potential, respectively) and density were evaluated on yield parameters and flower/pod development at mainstem nodes 2 and 6 (terminal) of 'Oregon 1604', a determinate snap bean. High and low plant densities were...
Resource Type:: Dissertation
Full Text:: parameters, which was reduced by high irrigation at both the terminal (6-T) and main lateral (2-A

Functional domains of Agrobacterium tumefaciens single-stranded DNA binding protein VirE2

Creator:: Dombek, Priscilla Emily
Abstract:: Agrobacterium tumefaciens is a gram-negative soil bacterium that causes crown gall tumors on dicotyledenous plants. The transferred DNA (T-DNA) portion of the A. tumefaciens tumor-inducing (Ti) plasmid enters infected plant cells and integrates into plant nuclear DNA. The T-DNA is accompanied into plant cells by the VirD2 endonuclease covalently attached...
Resource Type:: Dissertation
Full Text:: on dicotyledenous plants. The transferred DNA (T-DNA) portion of the A. tumefaciens tumor- inducing

Effect of nutrients on interactions between two decay fungi and Trichoderma harzianum Rifai on ponderosa pine sapwood wafers

Creator:: Canessa, Edwin
Abstract:: Small size wood assays were utilized to study the effect of added nutrients to the wood on the interactions of Trichoderma harzianum Rifai and two wood decay fungi, Trametes versicolor (white rot) and Gloeophyllum trabeum (brown rot). Weight losses related to time of exposure were monitored as a measure of...
Resource Type:: Dissertation
Full Text:: pure and mixed cultures of T. harzianum and the two decay fungi growing on the wood wafers. Weight

The effects of low protein diets with varying levels of dietary energy and triticale (var: Flora) on the reproductive performance of medium white turkey breeder toms

Creator:: Nilipour, Amir H.
Abstract:: Three experiments were conducted to determine if a new variety of triticale (Flora) would maintain seminal production of Medium White (MW) breeder toms and to ascertain the minimal dietary crude protein (CP) required by breeder toms. In Experiment 1, 4 dietary treatments with 10 males each, were fed ad libitum...
Resource Type:: Dissertation
Full Text:: weeks of age (WOA). The diets consisted of 13.9% CP corn-soy (C-S), 13.8% CP triticale-S (T-S), 8.5

Bcl11b is at the Nexus of Wnt and MAP Kinase Signaling Pathways in Two Stages of Thymocyte Development

Creator:: Selman, Wisam H.
Abstract:: Leukemogenesis, uncontrolled proliferation of dysfunctional, transformed immature lymphocytes, appears, especially in children, to be associated with abrogation of normal lymphopoiesis, and thymopoiesis in the case of T cell leukemias. Sequence specific transcription factors (SSTFs) are nuclear control switches that respond to cellular signals to alter cell state and cell fate...
Resource Type:: Dissertation
Full Text:: lymphopoiesis, and thymopoiesis in the case of T cell leukemias. Sequence specific transcription factors

The impact of child-centered play therapy on anxiety levels in pre-neurosurgical pediatric patients

Creator:: Lerwick, Julie L.
Abstract:: The prevalence of childhood illness requiring hospitalization establishes the need for implementation of an applied intervention to decrease levels of hospitalization-induced anxiety in pediatric patients. In addition to anxiety, levels of perceived trauma have also been linked to pre-operative pediatric patients. Child-Centered Play Therapy (CCPT) within the medical setting has...
Resource Type:: Dissertation

Radiation effects on III-V heterostructure devices

Creator:: Jun, Bongim
Abstract:: The neutron and electron radiation effects in Ill-V compound semiconductor heterostructure devices are studied in this thesis. Three types of devices investigated are AlGaAs/GaAs high electron mobility transistors (HEMTs), AlGaAs/InGaAs/GaAs heterostructure insulated gate field effect transistors (HIGFETs), and InP/InCaAs/InGaAs single heterojunction bipolar transistors (SHBTs). HEMTs and HIGFETs are primarily investigated...
Resource Type:: Dissertation
Full Text:: , MODFET: Cornell, U.of Illinois, Rockwell, SDHT: Thomson CSF and TEGFET: AT & T Bell Lab. in a

An analysis of a computer-assisted laboratory method of instruction in elementary business statistics

Creator:: Varin, Dennis Lawrence
Abstract:: This was an experimental study designed to compare the effectiveness of computer-assisted laboratory instruction to teacher-assisted laboratory instruction based on student achievement in Elementary Business Statistics. Computer-assisted laboratory materials and an Elementary Business Statistics achievement test were evaluated. Procedures The setting of this experiment was at Southern Oregon State College,...
Resource Type:: Dissertation
Full Text:: significant at the .05 level. T-values comparing mean scores for recall and manipulative, and manipulative

Optical, electronic, and thermodynamic properties of layered mixed anion compounds

Creator:: Vielma, Jason Michael
Abstract:: Mixed anion compounds that form ZrCuSiAs-type crystal structures exhibit remarkable properties such as superconductivity at low temperatures, hole conduction with optical transparency in the visible region, and exciton absorption at room temperature. In this thesis, properties of a selected group of materials out of the very large set of mixed...
Resource Type:: Dissertation
Full Text:: minimizes E[n] is the exact ground state density. The total energy functional is defined as E[n] = T [n

Oxidative stress and muscle dysfunction following anterior cruciate ligament surgery

Creator:: Barker, Tyler
Abstract:: Despite the advances in surgery, physical therapy, and pharmaceutical agents, muscle dysfunction (i.e., atrophy and weakness) continues to impair recovery from an anterior cruciate ligament (ACL) injury and surgery. Ischemia-reperfusion injury during surgery and the subsequent limb disuse are two events experienced by patients having ACL surgery. Oxidative stress and...
Resource Type:: Dissertation
Full Text:: stress and inflammation were evaluated in the circulation and muscle. Plasma α-tocopherol (α-T) and

Breast cancer survivorship : contributing factors for special populations

Creator:: Jabson, Jennifer M.
Abstract:: More women than ever before survive breast cancer with 89% of those diagnosed becoming survivors (NCI, 2008). However, according to the National Cancer Institute (2005) some groups of women bear a greater burden of difficulty in survivorship. Sexual minority women (SMW), or women who partner with other women in romantic...
Resource Type:: Dissertation
Full Text:: affect/mood scales. Statistical analyses including linear regression and t-tests indicated few

Family aided community treatment as an intervention for the treatment of early psychosis : a proof of concept study

Creator:: Melton, Ryan P.
Abstract:: Major psychotic disorders are one of the leading causes of disability worldwide, having severe impacts on the people who suffer from the conditions, their families and society. There is evidence that if these conditions are identified and treated early, the prognosis is improved. The purpose of this dissertation study is...
Resource Type:: Dissertation
Full Text:: concept design with multiple repeated-measure t tests, this study focused on first-episode psychotic

Special Nuclear Material Classification and Mass Content Estimation Using Temporal Gamma-Ray Spectroscopy and Machine Learning Methods

Creator:: Curtis, Jessica R.
Abstract:: Improving the methods used for the detection and estimation of fissile material mass content is essential to nuclear security and safeguards to ensure special nuclear material (SNM) accountability, control, safety and security. With the continued expansion of the nuclear industry and the need for safe management of spent fuel, improving...
Resource Type:: Dissertation
Full Text:: feature selection, Welch’s t-test was employed to tease out regions of interest used as “fingerprints” to

Radiographic assessments of bone density in cardiac-prone adults participating in a 12-month physical conditioning program

Creator:: Price, Sandra
Abstract:: Purpose of the Study The purpose of this study was to investigate the effects of a 12-month physical activity (jogging) program on the bone density of cardiac-prone participants in the Adult Fitness Program at the University of Wisconsin- La-Crosse. The following null hypotheses were tested: 1. There was no significant...
Resource Type:: Dissertation
Full Text:: the investigator. The paired t-test was used to test null hypothesis 1. Null hypothesis 1 was

Recombination and generation lifetime characterization of p/p⁺ epitaxial silicon wafers

Creator:: Aminzadeh, Mehran G.
Abstract:: The refresh times of all dynamic charge storage devices, best characterized by the generation lifetime at roan temperature and the recombination lifetime at higher device operating temperatures (T>70°C), strongly influence the efficient and successful operation of dynamic charge storage devices such as DRAM's and CCD's. Both recombination and generation lifetime...
Resource Type:: Dissertation
Full Text:: higher device operating temperatures (T>70°C), strongly influence the efficient and successful operation

Factors contributing to preservice teachers' choice of strategies to manage problem behaviors

Creator:: Cunningham, Bruce
Abstract:: Managing children with problem behaviors is a challenging task for new teachers. Preservice training offers one means of better preparing new teachers to meet this challenge. Before suggesting alterations in preservice training programs, it is necessary to understand how preservice teachers perceive and respond to problem behaviors. Of particular interest...
Resource Type:: Dissertation
Full Text:: three levels of their training program. A series of students' t-tests, a multivariate analysis of

Investigation of the structural influence on the properties of functional inorganic oxides

Creator:: Laurita-Plankis, Geneva
Abstract:: While properties are extremely important from an application point of view, it is crucial to have a detailed understanding of the underlying structural influence. Once a concrete correlation between the structure and the observed property is established, rational design of novel materials with optimized properties can be realized. These optimized...
Resource Type:: Dissertation
Full Text:: provided amorphous samples for analysis, and T. J. Mustard, Dr. Benjamin Hanken, and Dr. Paul Cheong

Non Newtonian viscosity of bulk metallic glass forming liquids and the ordering and shear rate induced crystallization of undercooled Zr₄₁.₂Ti₁₃.₈Cu₁₂.₅Ni₁₀.₀Be₂₂.₅ metallic glass forming melt

Creator:: Wadhwa, Prashant
Abstract:: The influence of shear rate and temperature on the viscosity and fragility of the Zr₄₁.₂Ti₁₃.₈Cu₁₂.₅Ni₁₀.₀Be₂₂.₅ (Vit1) metallic glass forming liquid is measured in the liquid and undercooled liquid state between 907 and 1300 K. The results show a complex rheological behavior of Vit1. The viscosity of Vit1 is about three...
Resource Type:: Dissertation
Full Text:: . cR t 1α (1

Fecal Bacteroidetes host distributions and environmental source tracking

Creator:: Dick, Linda K.
Abstract:: Contamination of recreational and shellfish waters with fecal pollution is a major water quality issue with associated economic impacts and human health risks. Reliable fecal source identification and rapid, quantitative analyses are essential components of risk assessment. Enteric bacteria that are endemic to specific hosts have a potential role as...
Resource Type:: Dissertation
Full Text:: the host species using Terminal Restriction Fragment Length Polymorphisms (T-RFLP). Clones

Organization of T4 bacteriophage genes and gene products involved in DNA precursor biosynthesis

Creator:: Wang, Yeong
Abstract:: Bacteriophage T4 gene 42 encodes dCMP hydroxymethylase, an enzyme unique to the deoxyribonucleotide metabolism of T-even bacteriophages. To study biochemical and biophysical properties of the enzyme, as well as the interaction of dCMP hydroxymethylase with other DNA precursor biosynthetic enzymes in vitro, availability of large amounts of the enzyme is...
Resource Type:: Dissertation
Full Text:: deoxyribonucleotide metabolism of T-even bacteriophages. To study biochemical and biophysical properties of the

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