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Articles 1 - 12 of 12
Full-Text Articles in Physical Sciences and Mathematics
The Lyme Disease Spirochete In Tick Species Collected From Warren County, Kentucky, Cheryl C. Onwu
The Lyme Disease Spirochete In Tick Species Collected From Warren County, Kentucky, Cheryl C. Onwu
Mahurin Honors College Capstone Experience/Thesis Projects
The overall goal of this present study was to determine the prevalence of the Lyme disease spirochete, Borrelia burgdorferi, in south central Kentucky. A survey of ticks collected from a single location in Warren County, Kentucky was conducted between the months of April and June, 2010. A total of 293 ticks were collected. Three species were identified: 264 (91.7 %) of the ticks were Amblyoma americanum, 18 (6.6%) were Dermacentor variabilis, and 1 (0.35%) was Ixodes scapularis. The ten remaining ticks were immature nymphs and could not be identified. After identifying the species and sex of …
Contour Extraction Of Drosophila Embryos Using Active Contours In Scale Space, Soujanya Siddavaram Ananta
Contour Extraction Of Drosophila Embryos Using Active Contours In Scale Space, Soujanya Siddavaram Ananta
Masters Theses & Specialist Projects
Contour extraction of Drosophila embryos is an important step to build a computational system for pattern matching of embryonic images which aids in the discovery of genes. Automatic contour extraction of embryos is challenging due to several image variations such as size, shape, orientation and neigh- boring embryos such as touching and non-touching embryos. In this thesis, we introduce a framework for contour extraction based on the connected components in the gaussian scale space of an embryonic image. The active contour model is applied on the images to refine embryo contours. Data cleaning methods are applied to smooth the jaggy …
"In Space" Or "As Space"?: A New Model, Charles H. Smith, Megan Derr
"In Space" Or "As Space"?: A New Model, Charles H. Smith, Megan Derr
DLPS Faculty Publications
In this analysis natural systems are posed to subsystemize in a manner facilitating both structured information/energy sharing and an entropy maximization process projecting a three-dimensional, spatial, outcome. Numerical simulations were first carried out to determine whether n × n input-output matrices could, once entropymaximized, project a three-dimensional Euclidean metric. Only 4 × 4 matrices could; a small proportion passed the test. Larger proportions passed when grouped random patterns on and within two- and three-dimensional forms were tested. Topographical patterns within 31 stream basin systems in the state of Kentucky, USA, were then similarly investigated, anticipating that the spatial configuration of …
Ogden College Of Science & Engineering Newsletter (Fall 2012), Cheryl Stevens, Dean
Ogden College Of Science & Engineering Newsletter (Fall 2012), Cheryl Stevens, Dean
Ogden College of Science & Engineering Publications
No abstract provided.
Aggressive Acoustic Behavior In Yasuhikotakia Modesta: Does The Lombard Effect Hold Water?, Bethany Coffey
Aggressive Acoustic Behavior In Yasuhikotakia Modesta: Does The Lombard Effect Hold Water?, Bethany Coffey
Mahurin Honors College Capstone Experience/Thesis Projects
The Lombard effect is the automatic and involuntary change in the intensity of vocalizations in the presence of background noise in order to maintain a constant signal to noise ratio. While this phenomenon is commonly found in vocalizing terrestrial vertebrates, it had not previously been examined in aquatic vertebrates such as fishes. This experiment tests the presence of the Lombard effect in the red-finned loach, Yasuhikotakia modesta, which make two types of sounds: butting and clicking. I recorded three pairs of Y. modesta during aggressive interactions over territory and compared the sounds produced in silence with sounds produced …
The Reaction Of Methionine With A Non-C2-Symmetrical Platinum (Ii) Diamine Compound, Nilesh Sahi
The Reaction Of Methionine With A Non-C2-Symmetrical Platinum (Ii) Diamine Compound, Nilesh Sahi
Mahurin Honors College Capstone Experience/Thesis Projects
The research that we have conducted has allowed us to discover that the amino acids, methionine (Met) and N-acetyl methionine (N-AcMet), will react in a 1:1 and 1:2 molar ratio with platinum complexes containing bulky diamine ligands. Previous research has allowed us to gain a plethora of information on the experimentation and results of specific bulky diamine ligands such as N,N,N',N'-tetramethylethylenediamine and N,N-diethylethylenediamine. In the current study, we have investigated the bulky diamine ligand of N,N-dimethylethylenediamine, or Me2en. With our focus on the bulk of the Me2en ligand, we have been able to synthesize a platinum …
Biomass Assisted Synthesis Of Antibacterial Gold Nanoparticles And Commentary On Its Future Potential And Applications In Medicine, Chad Willis
Mahurin Honors College Capstone Experience/Thesis Projects
Xylose is a natural monosaccharide found in biomass such as straw, pecan shells, cottonseed hulls, and corncobs. Using this monosaccharide, we report the green synthesis and characterization of biocompatible, biodegradable xylose encapsulated gold nanoparticles (Xyl-GNPs) with potential antibacterial activity. GNPs were synthesized using the bioreduction property of xylose on the chloroaurate anions in an aqueous solution at room temperature and at atmospheric pressure. The characterization of synthesized GNPs was examined by UV-vis spectroscopy; transmission electron microscopy (TEM), energy-dispersive x-ray spectroscopy (EDS) and fourier transform infrared spectroscopy (FTIR). Results indicate that the particles were stable; near spherical in shape with an …
Oxaliplatin And Oxaliplatin Derivatives: Synthesis, Characterization, And Reactivity With Biologically Relevant Ligands, Amy Poynter
Mahurin Honors College Capstone Experience/Thesis Projects
Oxaliplatin is a third generation anticancer drug that has proven to be successful in fighting ovarian and testicular cancer. We are interested in determining how oxaliplatin and oxaliplatin derivatives interact with proteins, as well as how that interaction is affected by the size and shape of these platinum compounds. We have synthesized oxaliplatin as it is used in cancer treatment, as well as similar platinum compounds with the same diaminocyclohexane ligand as oxaliplatin but with additional bulk added to the nitrogen atoms. We are reacting oxaliplatin with key amino acids, including methionine, and will be comparing the kinetics of this …
42th Annual Wku Student Research Conference, Student Research Council, Western Kentucky University
42th Annual Wku Student Research Conference, Student Research Council, Western Kentucky University
Student Research Conference Select Presentations
No abstract provided.
Some Biogeographers, Evolutionists And Ecologists: Chrono-Biographical Sketches, Charles H. Smith, Joshua Woleben, Carubie Rodgers
Some Biogeographers, Evolutionists And Ecologists: Chrono-Biographical Sketches, Charles H. Smith, Joshua Woleben, Carubie Rodgers
DLPS Faculty Publications
Each name in the following list of naturalists is linked to a corresponding capsule "chrono-biographical" sketch of that individual prepared by the authors. Coverage extends from approximately 1950 backward in time as far as the eighteenth century; figures from all over the world are included (though there is admittedly a decided Anglo-American bias). The target subject here is biogeography, but this being a broad field there are many persons on the list who are better known as climatologists, zoologists, botanists, ecologists, oceanographers, paleontologists, etc.--in other words, who made their main reputations in cognate disciplines.
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Ua94/6/10 Student / Alumni Personal Papers Wku Carl Ellis, Wku Archives
Ua94/6/10 Student / Alumni Personal Papers Wku Carl Ellis, Wku Archives
WKU Archives Collection Inventories
Scientific notebooks used by Carl Ellis during his years at WKU.
Ua94/6/11 Student / Alumni Personal Papers Wku Darwin Newton, Wku Archives
Ua94/6/11 Student / Alumni Personal Papers Wku Darwin Newton, Wku Archives
WKU Archives Collection Inventories
Notebooks, notes and papers written by Darwin Newton during his time as a student at WKU.