Index Catalog // ScholarsArchive@OSU

Improving the Photostability and Recovery of Organic Semiconductors

Creator:: Tollefsen, Ryan J.
Abstract:: This work aims to broaden use of the organic semiconductor pentacene (Pn) by means of improving its oxidation and photodimerization stability. In particular, we study the photophysical properties of functionalized Pn derivatives with side groups R in amorphous thin film, referred to as Pn-R-F8 when fluorinated. Using the optics experiments...
Resource Type:: Honors College Thesis
Full Text:: . We follow an identical procedure for creating PMMA (Mw 75,000 g/mol, Polysciences, Inc.) and PVDF

The Gut Microbiome Drives Benzo[a]pyrene's Impact on Zebrafish Behavioral Development

Creator:: Sieler, Michael J.
Abstract:: Benzo[a]pyrene (B[a]P) is a common environmental pollutant produced from the incomplete combustion of organic matter, such as fossil fuel emissions. In vertebrates, B[a]P exposure is associated with hyperactivity, though the underlying mechanisms driving this effect are undescribed. Mounting evidence indicates that the gut microbiome, which is the diverse community of...
Resource Type:: Undergraduate Thesis
Full Text:: APPROVED: _____________________________________________________ _______________ Thomas J

Whole system perspective : Steelhead, Onchorhynchus mykiss, glutathione s-transferase as a biomarker of chlorpyrifos exposure

Creator:: Pecore, Rachael G.
Abstract:: Organophosphate insecticides may produce sublethal, adverse effects on salmonid growth, reproduction, maturation, swimming, and feeding. Chlorpyrifos, an organophosphate insecticide, was detected by the Oregon Department of Environmental Quality in the Hood River and tributaries during March 1999 at levels exceeding state water quality standards in the range of 0.011-0.482 μg/L....
Resource Type:: Undergraduate Thesis

The toxicogenetic effects of a chitosan based hemostatic control patch in rat models

Creator:: Colburn, Andrew J.
Abstract:: 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...
Resource Type:: Undergraduate Thesis and Presentation
Full Text:: proinflammatory chemokines and neutrophils. J Pharmacol Exp Ther 316, 1080-7. Wedmore, I., McManus, J. G

Probing Circadian Clock-Steroid Receptor Interactions in GnRH Neurons

Creator:: Grimwood, Victoria J.
Abstract:: Endogenous circadian clock regulation is essential to normal rhythmicity, particularly the timing of hormone release in the brain. In the context of mammalian reproduction, a surge of a specific hormone, gonadotrophin-releasing hormone (GnRH), initiates a surge of luteinizing hormone (LH) from the pituitary gland, which is required for ovulation in...
Resource Type:: Honors College Thesis

Survey of rhizosphere associated entomopathogenic fungi on small fruits and Christmas trees in the Willamette Valley, OR

Creator:: Fisher, Joanna J.
Abstract:: The entomopathogenic fungi Metarhizium anisopliae and Beauveria bassiana are commercially available as microbial control agents for the black vine weevil, Otiorhynchus sulcatus (F.) (Coleoptera: Curculionidae), the key root-feeding insect pest in Pacific Northwest small fruits and ornamentals. Understanding habitat selection is critical to improve the efficacy, persistence and cost of...
Resource Type:: Honors College Thesis

Comparison of three diagnostic assays in the detection of Pseudoloma neurophilia in zebrafish

Creator:: Kreul, Taylor G.
Abstract:: As the zebrafish (Danio rerio) becomes increasingly popular as a biomedical model for various laboratory studies, the need for efficient and accurate diagnostic assays for the pathogens that infect it has grown. The most common pathogen infecting laboratory zebrafish is Pseudoloma neurophilia, a microsporidium that has been known to cause...
Resource Type:: Honors College Thesis

The Design and Construction of a Yacht

Creator:: Wallace, Earl Wayne
Abstract:: "Of all the different types of sail boats used for pleasure on western inland waters, the 'skip-jack' seems to be the general favorite. This style of boat is known by many names such as 'skip-jack', 'lark', 'skimming-dish', etc., and they are so called from the manner in which they ride...
Resource Type:: Undergraduate Thesis
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Effects of pH and organic solvents on superfolder green fluorescent protein

Creator:: Bravo, Kali J.
Abstract:: There is no shortage of challenges in modern science, including the task of obtaining high resolution images of biomolecular structures, such as proteins. Current atomic-resolution structure determination methods include x-ray crystallography and nuclear magnetic resonance (NMR), which present issues like protein crystallization and loss of resolution with increasing size. Dr....
Resource Type:: Honors College Thesis
Full Text:: fractional uncertainty of Step 4 is: 𝛿𝑥 𝑥 = 1 2 𝛿[𝐻𝐴] [𝐻𝐴] 11 If we say 𝑔

The Design and Specification of a Dwelling House

Creator:: Anderson, Arvid
Abstract:: The design and specification of a dwelling house constitutes the thesis of the student Arvid Anderson of the class of '08. This thesis consists of two parts, namely: drawings and written description or specification. The drawings and specifications are to be considered as cooperative, the latter are necessary to express...
Resource Type:: Undergraduate Thesis
Full Text:: / E /Y /-I Fl L L anti L I V I IV C, ROOM Scale I =1' oio . . J SN/NaLES - TEEL G

ScholarsArchive@OSU

Improving the Photostability and Recovery of Organic Semiconductors

The Gut Microbiome Drives Benzo[a]pyrene's Impact on Zebrafish Behavioral Development

Whole system perspective : Steelhead, Onchorhynchus mykiss, glutathione s-transferase as a biomarker of chlorpyrifos exposure

The toxicogenetic effects of a chitosan based hemostatic control patch in rat models

Probing Circadian Clock-Steroid Receptor Interactions in GnRH Neurons

Survey of rhizosphere associated entomopathogenic fungi on small fruits and Christmas trees in the Willamette Valley, OR

Comparison of three diagnostic assays in the detection of Pseudoloma neurophilia in zebrafish

The Design and Construction of a Yacht

Effects of pH and organic solvents on superfolder green fluorescent protein

The Design and Specification of a Dwelling House

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