Index Catalog // ScholarsArchive@OSU

Location of the neutral axis in wood beams

Creator:: Holm, Sarah C.
Abstract:: It is commonly accepted that for the analysis of wood beams, the neutral axis coincides with the centroid of the beam. Although this assumption is used in analysis, wood is not an isotropic material, as it has different elastic properties in the tangential, radial and longitudinal directions, nor is it...
Resource Type:: Honors College Thesis
Full Text:: (exx) contour plots just before failure for a (a) Clear beam (b) Knot located at center (c) Knot

DNA UV damage-related control of ribonucleotide reductase : possible relationship to mutagenesis and the incidence of and attitudes toward skin cancer in several western nations

Creator:: Stenberg, John C.
Abstract:: Two strains of Escherichia coli were studied to determine the effect of constitutive expression of the SOS DNA damage repair response on the activity of ribonucleotide reductase. Activity of the reductase and cellular deoxynucleoside triphosphate (dNTP) pools were both determined before and after exposure of the cells to ultraviolet radiation....
Resource Type:: Honors College Thesis
Full Text:: ultraviolet A (315-400 nm), ultraviolet B (280-315 nm), and ultraviolet C (100-280 nm). Any one of the three

Characterization of a Sporulation-Specific Kinase in Clostridium perfringens

Creator:: Danielson, Bryan
Abstract:: Clostridium perfringens type A isolates produce the spore-specific enterotoxin, CPE, upon sporulation in the gastrointestinal tract of humans and animals. Spo0A is a response regulator representing the major transcription factor for sporulation initiation in C. perfringens. In Bacillus subtilis, a multicomponent phosphorelay involving five histidine kinases (KinA-KinE), the intermediate response...
Resource Type:: Undergraduate Thesis and Presentation

A genomic and proteomic characterization of the first cultured oligotrophic marine Gammaproteobacterium from the SAR92 clade

Creator:: Mellbye, Brett L.
Abstract:: High-throughput culturing (HTC) consisting of extinction culturing in autoclaved seawater has led to the isolation and characterization of many novel strains of oligotrophic marine bacteria. Strain HTCC 2207 was isolated from the Oregon coast by the HTC method. Phylogenetic analysis based on 16S rRNA gene sequence showed that this strain...
Resource Type:: Honors College Thesis
Full Text:: 2390 open reading frames. The G+C content is 49.10 mol %. The bacterium possesses all major metabolic

Distribution and origin of organic matter preserved in modern surface sediments throughout Coastal SE Alaska

Creator:: Walinsky, Sarah E.
Abstract:: Twenty seven modern (top 1-2cm) sediment samples from multicores retrieved from throughout coastal SE Alaska were analyzed for their organic matter content and the source composition. Total organic carbon (TOC) as well as biogenic silica (bioSi), and calcium carbonate (CaCO3) content were analyzed to evaluate the organic matter content and...
Resource Type:: Honors College Thesis
Full Text:: ’ gas chromatographic compositions of a) hydrocarbon, b) alcohol and c) acid fractions isolated from

Discovery and identification of antibacterial agents for dental use

Creator:: Kirkpatrick, Adam G.
Abstract:: Dental disease is a very prevalent and costly disease in which the symptoms, not the disease, are currently being treated. The disease is caused by pathogenic oral bacteria, many of which are a part of the Mutans Streptococci. The objective of this thesis was to find a natural substance that...
Resource Type:: Honors College Thesis
Full Text:: . Gewali, Mohan B. and Ronald, Robert C. “Synthesis of Allolaurinterol.” Dep. Chem., Washington State Univ

Rate of prey consumption in two intertidal crab species : the introduced European green crab, Carcinus maenas, and native dungeness crab, Cancer magister

Creator:: Davidson, Timothy Mathias
Abstract:: The prey consumption rates of two estuarine crab species were compared: the introduced Carcinus maenas and the native Cancer magister. Similar sized crabs of each species were placed into individual perforated plastic boxes and then placed in a seawater table. Each crab was offered 50 Mytilus trossulus mussels (15-25mm) per...
Resource Type:: Undergraduate Thesis
Full Text:: and salinity tolerances range from 0 to 33 (C and 4 to 54‰, respectfully (Eriksson et al., 1975). In

Studies on a transgenic approach to decrease gliadin content in wheat

Creator:: Bell, Shannon M.
Abstract:: Celiac disease, an autoimmune response triggered by the consumption of seed storage proteins of cereals, affects an estimated 1% of the human population. In the case of wheat (Triticum aestivum L.), one of the world’s most consumed cereals, alcohol-soluble proteins, the gliadins, have been identified as the allergy-eliciting agents. Previous...
Resource Type:: Undergraduate Thesis
Full Text:: replications for each treatment combination b PSI = Pounds per square inch c N.D. = Not determined Table 2

Expression of prolactin in feline mammary adenomas and adenocarcinomas

Creator:: Trummel, Danielle K.
Abstract:: Mammary tumors are the third most common tumor in cats after cutaneous neoplasia and lymphosarcoma. More than 80% of feline mammary tumors are adenocarcinomas, which are similar to human mammary adenocarcinomas in their biologic behavior and histologic characteristics. Despite treatment with radical mastectomy, feline mammary adenocarcinoma is associated with a...
Resource Type:: Undergraduate Thesis and Presentation
Full Text:: A B A B C H D A B C D A B C D

Effects of caustic addition on black liquor rheology and thermal characteristics

Creator:: Euhus, Daniel D.
Abstract:: An important by-product of the kraft pulping process, black liquor is currently used in most pulp mills to produce steam in a recovery boiler. Two important black liquor characteristics are viscosity and burning (firing) characteristics, which determine the operating efficiency of the recovery boiler. Kraft black liquor is a complicated...
Resource Type:: Honors College Thesis
Full Text:: ity , η , c P 10 25 100 Shear Rate (s-1) Figure 7: Mill B 41% Black Liquor Viscosity at

ScholarsArchive@OSU

Location of the neutral axis in wood beams

DNA UV damage-related control of ribonucleotide reductase : possible relationship to mutagenesis and the incidence of and attitudes toward skin cancer in several western nations

Characterization of a Sporulation-Specific Kinase in Clostridium perfringens

A genomic and proteomic characterization of the first cultured oligotrophic marine Gammaproteobacterium from the SAR92 clade

Distribution and origin of organic matter preserved in modern surface sediments throughout Coastal SE Alaska

Discovery and identification of antibacterial agents for dental use

Rate of prey consumption in two intertidal crab species : the introduced European green crab, Carcinus maenas, and native dungeness crab, Cancer magister

Studies on a transgenic approach to decrease gliadin content in wheat

Expression of prolactin in feline mammary adenomas and adenocarcinomas

Effects of caustic addition on black liquor rheology and thermal characteristics

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