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X-ray Emissions in Measurements of the Neutron Capture Cross Sections for the Production of ¹⁹⁷Hg and ¹⁹⁷Pt and Scoping the Science Parameter Space of Future X-ray Astrophysics Calorimeter Missions

Creator:: Keck, Mason L.
Abstract:: A spectral fitting routine was developed to analyze X-ray emissions in neutron capture decay processes that produce ¹⁹⁷Hg and ¹⁹⁷Pt. Through correcting for X-ray emissions, the 77.3 keV γ gamma ray intensities were analyzed. The thermal cross sections for the production of ¹⁹⁷Hg and ¹⁹⁷Pt were found to be 2088...
Resource Type:: Honors College Thesis
Full Text:: Astrophysics Calorimeter Missions by Mason L. Keck A PROJECT submitted to Oregon State University

Sexual dimorphism and seasonal changes in the Harderian gland of the red-sided garter snake, Thamnophis sirtalis parietalis

Creator:: Erickson, Sten M.
Abstract:: The Harderian gland (HG) of the red-sided garter snake, Thamnophis sirtalis parietalis, is a secretory structure that plays a role in the vomeronasal system by solubilizing semiochemicals such as prey chemoattractants and the female sexual attractiveness pheromone. The HG produces secretions containing pheromone-binding proteins that form a complex with pheromone...
Resource Type:: Honors College Thesis
Full Text:: : __________________________________ Robert T. Mason The Harderian gland (HG) of the red-sided garter snake, Thamnophis sirtalis

Wildfire Severity Has a Minimal Influence on Pollen Diversity Used by Developing Mason Bees (Osmia lignaria) in Mixed Conifer Forest

Creator:: Bell, Nicole C. S.
Abstract:: Native bees are critically important organisms that support biodiversity and crop production via their pollination services. Wildfires in temperate conifer forests can increase bee abundance and flowering plant density due to increased light exposure, but little information is available regarding how wildfire severity influences provisioning to bee offspring, which is...
Resource Type:: Honors College Thesis
Full Text:: Severity Has a Minimal Influence on Pollen Diversity Used by Developing Mason Bees (Osmia lignaria) in

Sources of variability in duration of anesthesia with brevital sodium in snakes

Creator:: Preston, Daniel L.
Abstract:: Variability in the depth and duration of anesthesia in individuals within a species is frequently observed, yet few studies have investigated its causes in reptiles. To evaluate the potential causes of variability in reptile anesthesia, I conducted experiments to test for effects of body temperature, body composition and time post-feeding...
Resource Type:: Honors College Thesis
Full Text:: UHC Thesis AN ABSTRACT OF THE THESIS OF Daniel L

Effect of Captivity on Chemical Profiles of the Sexual Attractiveness Pheromone of the Red-Sided Garter Snake, Thamnophis sirtalis parietalis

Creator:: Rudie, Katherine A.
Abstract:: This study investigated the effect of captivity on the chemical profiles of the female sexual attractiveness pheromone of the red-sided garter snake (Thamnophis sirtalis parietalis). Dorsal skin lipids were extracted from female garter snakes collected from the Interlake region of Manitoba, Canada. A comparison of captive and wild snakes was...
Resource Type:: Honors College Thesis
Full Text:: snakes. Nature 316(6023): 59-60. MASON, R. T., JONES, T. H., FALES, H. M., PANNELL, L. K., and

UVB Radiation Affects the Quality of the Female Sexual Attractiveness Pheromone of the Red-Sided Garter Snake

Creator:: Vigeland, Anna E.
Abstract:: In this study, pheromone and skin lipid samples collected from red-sided garter snakes (Thamnophis sirtalis parietalis) were exposed directly to either full-spectrum light or full-spectrum plus UVB light. In addition, female and male snakes were exposed to daily doses of either full-spectrum or full-spectrum and UVB light, after which the...
Resource Type:: Honors College Thesis
Full Text:: Letters, 10: 332-345. 2. Belden, L. K.; Moore, I. T.; Mason, R. T.; Wingfield, J. C. and Blaustein, A. R

Sperm depletion and sperm competition in the red-sided garter snake, Thamnophis sirtalis parietalis

Creator:: Kerns, Amelia R.
Abstract:: Sperm competition is the post-copulatory analog of male-male combat, wherein sperm from more than one male coincide in a female’s reproductive tract and compete with one another for fertilization of a limited number of ova. Post-copulatory sexual selection, such as sperm competition, can be a powerful driving force for the...
Resource Type:: Honors College Thesis
Full Text:: parietalis Abstract approved: __________________________________ Robert T. Mason Sperm competition

Melting Stage Analysis for Indirect Freeze Desalination

Creator:: Pratt, Mason G.
Abstract:: To investigate the melting stage of indirect freeze desalination three numerical models were developed. A zeroth, ﬁrst, and second order analyses modeled the melting of ice around the outside of a pipe as a function of time. The zeroth order analysis assumes the system to be steady state. The ﬁrst...
Resource Type:: Honors College Thesis
Full Text:: by Mason G. Pratt A THESIS submitted to Oregon State University Honors College in partial

Classification and Analysis of Nucleotide - Nucleotide Interactions in RNA

Creator:: Rouches, Mason
Abstract:: Base-pairing interaction are the fundamental blocks of an RNA structure. With increased ability to determine the structure of RNA molecules, an accurate and informative way of classifying these interactions would help to study RNA structure at many levels. Apart from the well-known complementary base pairs and wobble pairs, other interactions...
Resource Type:: Honors College Thesis
Full Text:: - Nucleotide Interactions in RNA by Mason Rouches A THESIS

Social Context Affects Response to an Acute Stressor in Captive Red Crossbills, Loxia curvirostra

Creator:: Tsuchihashi, Natsumi
Abstract:: Sociality relies upon mechanisms that permit group living through a balance of costs and benefits. However, it is not fully known how specific social contexts influence behavioral and physiological outcomes, and more broadly, how responses to social situations contribute to social organization. A recent experiment investigating the relationship between social...
Resource Type:: Honors College Thesis
Full Text:: _____________________________________________________________________ Robert T. Mason, Committee Member, representing Integrative Biology

ScholarsArchive@OSU

X-ray Emissions in Measurements of the Neutron Capture Cross Sections for the Production of ¹⁹⁷Hg and ¹⁹⁷Pt and Scoping the Science Parameter Space of Future X-ray Astrophysics Calorimeter Missions

Sexual dimorphism and seasonal changes in the Harderian gland of the red-sided garter snake, Thamnophis sirtalis parietalis

Wildfire Severity Has a Minimal Influence on Pollen Diversity Used by Developing Mason Bees (Osmia lignaria) in Mixed Conifer Forest

Sources of variability in duration of anesthesia with brevital sodium in snakes

Effect of Captivity on Chemical Profiles of the Sexual Attractiveness Pheromone of the Red-Sided Garter Snake, Thamnophis sirtalis parietalis

UVB Radiation Affects the Quality of the Female Sexual Attractiveness Pheromone of the Red-Sided Garter Snake

Sperm depletion and sperm competition in the red-sided garter snake, Thamnophis sirtalis parietalis

Melting Stage Analysis for Indirect Freeze Desalination

Classification and Analysis of Nucleotide - Nucleotide Interactions in RNA

Social Context Affects Response to an Acute Stressor in Captive Red Crossbills, Loxia curvirostra

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