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Adapting the Methylene Blue Sulfide Detection Method for Use in a Microfluidic in-situ Monitoring Device

Creator:: Monares, Shane W.
Abstract:: Sulfide is an important species to measure in environmental water samples. The spectrophotometric detection method for reduced sulfur species (sulfide) based on generation of methylene blue was adapted to work in an apparatus utilizing microfluidic PDMS mixing and observation cells with flow channels in the 100 μm range. The benefits...
Resource Type:: Honors College Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Shane W. Monares for the degree of Honors Baccalaureate of Science

Volatile Organic Compound Production in Synechococcus WH8102

Creator:: Ocel, Duncan R.
Abstract:: High-resolution mass spectrometry was used to measure a range of volatile organic compounds (VOCs) in real time as they were produced by the ubiquitous marine cyanobacterium Synechococcus WH8102 during a 24-hour light/dark cycle. Ethenone, acetaldehyde, ethanol, isoprene, acetic acid, dimethyl sulfide (DMS), acetone, phenol, and several as-yet unidentified compounds were...
Resource Type:: Honors College Thesis
Full Text:: Sulfonium Compounds. Springer, Boston, MA de Bruyn, W. J. et al. (2017) The biological degradation of

Application of a weighted Dice Similarity Coefficient (DSC) for Structure Comparison in Radiation Treatment Planning

Creator:: Fried, Zachary
Abstract:: Coded metrics that compare representations of structures within the human body to evaluate their similarity are considered useful for planning radiation therapy on cancer targets. However, existing metrics fail to take into account the dose of radiation that will be received by both the target, and surrounding non-target tissue, during...
Resource Type:: Honors College Thesis
Full Text:: radiation treatment planning data. References Baskar, R., Lee, K.A., Yeo, R., Yeoh, K.-W., 2012

Method validation of quantitative analysis of oxylipins in human plasma via mass spectrometry

Creator:: Bloom, Madeline B.
Abstract:: Oxylipins are a class of bioactive lipid metabolites derived from polyunsaturated fatty acids (PUFAs) via enzymatic and non-enzymatic pathways. In order to elucidate their overall biological effects, the knowledge of the entire oxylipin profile is needed as oxylipins can have similar or opposing effects in regard to inflammatory events. Their...
Resource Type:: Honors College Thesis
Full Text:: (C20H32O2, 20:4(ω-6)) and LA (C18H32O2, 18:2(ω-6)), while ALA (C18H30O2, 18:3(w-3)), EPA (C20H30O2, 20:5(w

Ibuprofen Treatment Causes NMDA and AMPA Receptor Hyperactivity in Female Wild Type and Heterozygous 5xFAD mice but not Males

Creator:: Rauenhorst, Jacob
Abstract:: With Alzheimer’s disease being the most prominent form of dementia, finding potential treatments for the disease is imperative. This study explored the non-steroidal anti-inflammatory drug ibuprofen as a potential treatment to normalize the hyperactive N-methyl-d-aspartate receptor (NMDAR) within the 5xFAD mice early in the disease pathology before cognitive decline. Female...
Resource Type:: Honors College Thesis
Full Text:: .; Fitzjohn, S. M.; Rosahl, T. W.; Smith, D.; Zheng, H.; Shearman, M.; Collingridge, G. L.; Searbrook, G. R

Structural Similarities and Differences in Tropone and Tropolone: Gas-Phase Electron Diffraction Study

Creator:: Titus, Eric J.
Abstract:: The method of gas-phase electron diffraction is a very useful tool for determining the geometry of a molecule in the gas-phase to a high degree of accuracy. In this thesis, the structures of tropone and tropolone, which are similar molecules that are both based on a 7-carbon ring, were investigated...
Resource Type:: Honors College Thesis
Full Text:: .; Trucks, G. W.; Schlegel, H. B.; Scuseria, G. E.; Robb, M. A.; Cheeseman, J. R.; Montgomery, Jr., J

The Effects of Socialization on Urinary Cortisol Levels and Proximity-Seeking Behavior in Shelter Cats

Creator:: Conroy, Jocelyn J.
Abstract:: This study aimed to explore the relationship between urinary cortisol levels and proximity-seeking behavior in shelter cats and the impact of socialization programs on these two factors. A Spearman’s correlation test found no correlation between cortisol levels and proximity-seeking behavior in shelter cats. Fisher’s 2x2 tests confirmed that the changes...
Resource Type:: Honors College Thesis
Full Text:: was used to analyze the cortisol and proximity scores independently. For both data sets, W = 0.68902

Investigation of the Effect of Copper-Palladium Electrocatalysts on Nitrate Reduction

Creator:: Finstad, Arthur
Abstract:: Nitrate (NO₃-) accumulation in water sources is a serious health and environmental concern. Common methods used to reduce NO₃- accumulation have one or more undesirable traits that limit their efficacy in large-scale decontamination. However, treatment of NO₃- electrochemically is a promising area of study because of the absence of toxic...
Resource Type:: Honors College Thesis
Full Text:: reactant concentrations; for instance, a generic rate law can be shown as r = k[A]a[B]b from the

Isolation and Identification of Indole Metabolites from Pseudomonas fluorescens NZI7

Creator:: Vergis, John M.
Abstract:: Pseudomonas fluorescens NZI7 was first isolated from a New Zealand mushroom farm in 2001. This Gram-negative bacteria can cause brown blotch disease in the basidiomycete mushroom Agaricus bisporus. P. fluorescens NZI7 can also repel grazing by the nematode Caenorhabditis elegans, a natural predator of P. fluorescens NZI7. Potentially implicated in...
Resource Type:: Honors College Thesis
Full Text:: primers NZI7-40UP-F and NZI7-40UP-R, NZI7-40DN-F and NZI7-40DN-R, NZI7-41UP-F and NZI7-41UP-R, and NZI7

Development of Miniature Wire pH Sensors for Real-Time Monitoring of the Streptococcus Mutans Biofilm

Creator:: Wong, Derek C.
Abstract:: The interface between a biofilm and the underlying substrate to which it is attached is challenging to study. Currently, available methods of studying this microenvironment have not been able to record data in real-time over a time period in the range of days. To address this challenge, we report the...
Resource Type:: Honors College Thesis
Full Text:: analyte, zi and zj are the valencies of the analyte and interfering ion, R is the gas constant, T is the

ScholarsArchive@OSU

Adapting the Methylene Blue Sulfide Detection Method for Use in a Microfluidic in-situ Monitoring Device

Volatile Organic Compound Production in Synechococcus WH8102

Application of a weighted Dice Similarity Coefficient (DSC) for Structure Comparison in Radiation Treatment Planning

Method validation of quantitative analysis of oxylipins in human plasma via mass spectrometry

Ibuprofen Treatment Causes NMDA and AMPA Receptor Hyperactivity in Female Wild Type and Heterozygous 5xFAD mice but not Males

Structural Similarities and Differences in Tropone and Tropolone: Gas-Phase Electron Diffraction Study

The Effects of Socialization on Urinary Cortisol Levels and Proximity-Seeking Behavior in Shelter Cats

Investigation of the Effect of Copper-Palladium Electrocatalysts on Nitrate Reduction

Isolation and Identification of Indole Metabolites from Pseudomonas fluorescens NZI7

Development of Miniature Wire pH Sensors for Real-Time Monitoring of the Streptococcus Mutans Biofilm

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