Index Catalog // ScholarsArchive@OSU

Difference in prostate cancer rates between the United States and Spain : effect of vitamin D

Creator:: Marvel, Kathryn
Abstract:: Prostate cancer is the most commonly diagnosed cancer in men, but rates around the world vary greatly. Americans have the highest incidence rates in the world, 4 to 5 times those of Spain. The hypothesis of this thesis was that vitamin D metabolism is a factor in prostate cancer development...
Resource Type:: Honors College Thesis

Independent Association of Vitamin D with Prevalent and Incident Outcomes of Heart Attack and Stroke in Elderly Men: A Prospective Cohort Study

Creator:: Messenger, Wyatt
Abstract:: BACKGROUND: The association of vitamin D with heart attack and stroke remains unclear. METHOD: Using data from the Osteoporotic Fractures in Men Study (MrOS), we collected dietary vitamin D data from 5,995 participants and serum (25)OH vitamin D from 1,606 participants. The association of vitamin D with prevalent heart attack...
Resource Type:: Honors College Thesis
Full Text:: Health Management and Policy presented on May 1, 2009. Title: Independent Association of Vitamin D with

A Comparative Analysis of Automated and Time-Integrated Sediment Samplers

Creator:: Babb, Arden I.
Abstract:: This study was conducted to determine if a time-integrated Phillips sampler was able to estimate sediment yield when compared to a reference produced by an automated sampler. Time-integrated samplers are easier to use, more cost effective, and can withstand storm events better than automated samplers, but are not designed to...
Resource Type:: Honors College Thesis
Full Text:: Where Cd was a coefficient of drag, D was the diameter of the Phillips inlet (4 mm), g was the

Studying the ancient parasitic cnidarian, Sphaerospora elegans, leads to better understanding of oligochaete diversity and myxozoan discovery

Creator:: Lehrburger, David J.
Abstract:: Myxozoans are microscopic parasites, related to corals and jellyfish. Most Myxozoa probably have two-host lifecycles that require a vertebrate (typically fish) and invertebrate (annelid or bryozoan). However no life cycle is known from the Sphaerospora lineage. I hypothesized that the life cycle of Sphaerospora elegans, a myxozoan parasite of three-spined...
Resource Type:: Honors College Thesis
Full Text:: chaete; C) posterior gills; D) anterior proboscis. Simultaneously, we examined each worm for myxozoan

Plasma enhanced growth of carbon nanotubes

Creator:: Ford, Neil I.
Abstract:: Carbon nanotubes (CNTs) are grown using plasma enhanced chemical vapor deposition (PECVD). A modified radio frequency (RF) parallel-plate plasma etching system serves as the growth reactor. The effects of process parameters, including temperature, pressure, and C2H2:NH3 ratio, are studied. CNTs are grown on glass substrates with Al underlayers and Ni...
Resource Type:: Honors College Thesis
Full Text:: : Milo D. Koretsky Carbon nanotubes (CNTs) are grown using plasma enhanced chemical vapor

Evidence for the Potential Hybridization of Ammophila breviligulata and Ammophila arenaria in the Pacific Northwest.

Creator:: Borland, Joshua J.
Abstract:: Coastal dunes are dynamic and unique ecosystems. On the Pacific coast, dunes are generally dominated by the beach grasses, Ammophila breviligulata and Ammophila arenaria, two invasive species introduced in the early 1900’s to stabilize sand and create foredunes that serve to protect people who live behind them. Recently, a novel...
Resource Type:: Honors College Thesis
Full Text:: Northwest. Abstract approved: Sally D. Hacker Coastal dunes are dynamic and unique ecosystems. On the

Environmental DNA reveals cryptic parasite species and gives insight into their fish hosts

Creator:: Phillips, Kyle
Abstract:: Ceratonova shasta is a myxozoan fish parasite that impacts hatchery and wild populations of salmon and trout in the Pacific Northwest. Levels of the parasite in river water can be effectively monitored through direct filtration of parasite spores from water, extraction of total "environmental DNA" (eDNA), then quantitative polymerase chain...
Resource Type:: Honors College Thesis
Full Text:: :_____________________________________________________ Stephen D. Atkinson Ceratonova shasta is a myxozoan fish parasite that impacts

Polymorphic Membrane Protein-13G Expression Variation Demonstrated between Chlamydia abortus Culture Conditions and Strains

Creator:: Khan, Emaan M.
Abstract:: Chlamydiae encode a family of proteins named the polymorphic membrane proteins, or Pmps, whose role in infection and pathogenesis is unclear. The Rockey Laboratory is studying polymorphic membrane protein expression in Chlamydia abortus, a zoonotic pathogen that causes abortions in ewes. C. abortus contains 18 pmp genes, some of which...
Resource Type:: Honors College Thesis
Full Text:: chlamydiae. Science 304 (2004), 728–730. 4. Crane, D. D., J. H. Carlson, E. R. Fischer, P. Bavoil, R.-C

A preliminary assessment of post-fire dissolved organic carbon concentrations in the McKenzie River basin, Oregon

Creator:: Hyatt, Charles
Abstract:: In recent decades, the occurrence of large, high severity wildfires has increased substantially in many parts of the world, including the western United States. These fires have the potential to impact water quality, aquatic ecosystems, and downstream communities for many decades. As such, it is increasingly important to understand the...
Resource Type:: Honors College Thesis
Full Text:: : _________________________________________________________ Kevin D. Bladon In recent decades, the occurrence of large, high severity wildfires has

Integration of Amino Acid Sequence and Alphafold2 Structural Predictions for Chlamydia trachomatis Polymorphic Membrane Proteins

Creator:: DeBrine, Abigail
Abstract:: Chlamydia trachomatis is an obligate intracellular bacterium that causes diseases of the eye and urogenital tract in humans. It is the cause of the sexual transmitted infection (STI) chlamydia, the most prevalent STI worldwide, and the ocular disease trachoma, the leading cause of infectious blindness. To date there is no...
Resource Type:: Honors College Thesis
Full Text:: : ________________________________________ Daniel D. Rockey Chlamydia trachomatis is an obligate intracellular bacterium that causes

ScholarsArchive@OSU

Difference in prostate cancer rates between the United States and Spain : effect of vitamin D

Independent Association of Vitamin D with Prevalent and Incident Outcomes of Heart Attack and Stroke in Elderly Men: A Prospective Cohort Study

A Comparative Analysis of Automated and Time-Integrated Sediment Samplers

Studying the ancient parasitic cnidarian, Sphaerospora elegans, leads to better understanding of oligochaete diversity and myxozoan discovery

Plasma enhanced growth of carbon nanotubes

Evidence for the Potential Hybridization of Ammophila breviligulata and Ammophila arenaria in the Pacific Northwest.

Environmental DNA reveals cryptic parasite species and gives insight into their fish hosts

Polymorphic Membrane Protein-13G Expression Variation Demonstrated between Chlamydia abortus Culture Conditions and Strains

A preliminary assessment of post-fire dissolved organic carbon concentrations in the McKenzie River basin, Oregon

Integration of Amino Acid Sequence and Alphafold2 Structural Predictions for Chlamydia trachomatis Polymorphic Membrane Proteins

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