Digital Commons Network^™

Spatial And Temporal Structure Of Typhoid Fever In Washington, D.C., 1895-1909: A Geographic Information Systems Exploration Of Urban Health Concerns, Sarah Elizabeth Hinman

LSU Doctoral Dissertations

The period between 1880 and 1920 was one of the most dynamic in the history of medicine. Morbidity and mortality rates for infectious diseases dropped quickly. Concurrently, miasmatic theory gave way to germ theory. Many of these dynamic changes occurred in the urban centers of North America, which were also entering into a period of dramatic growth and change. Following the 1905 completion of infrastructure improvements intended to improve public health in Washington, D.C., typhoid fever rates unexpectedly increased. Previously, for mitigation purposes, Dr. George Kober investigated a typhoid epidemic in 1895, and as a result of the 1906 increase …

Reservoir Characterization Of The Broom Creek Formation For Carbon Dioxide Sequestration, Justin J. Kringstad

Undergraduate Theses and Senior Projects

This engineering design is aimed at providing a thorough investigation on the potential of carbon dioxide (CO2) sequestration in the Williston Basin’s Broom Creek Formation. The objective of the design is to characterize the Broom Creek’s reservoir properties and provide detailed results of CO2 sequestration capacity, plume migration, and safety level. The methodology used to obtain results is an incorporation of geology, reservoir engineering, and injection operations. The reservoir simulation operations were conducted using Schlumberger’s ECLIPSE (Schlumberger, 2006).

Performance Analysis Of Intel Core 2 Duo Processor, Tribuvan Kumar Prakash

LSU Master's Theses

With the emergence of thread level parallelism as a more efficient method of improving processor performance, Chip Multiprocessor (CMP) technology is being more widely used in developing processor architectures. Also, the widening gap between CPU and memory speed has evoked the interest of researchers to understand performance of memory hierarchical architectures. As part of this research, performance characteristic studies were carried out on the Intel Core 2 Duo, a dual core power efficient processor, using a variety of new generation benchmarks. This study provides a detailed analysis of the memory hierarchy performance and the performance scalability between single and dual …

Strange Yarns, Matthew Thomas Bourgeois

LSU Master's Theses

I leave a good portion of my art up to chance or my unconscious self, this shows me how closely my prints and drawings relate to the dream world. In dreams most of the physical laws are abandoned, reason and mind are not the dictators of the dream. Dreams have their own logic and are a perfect place to explore a narrative that leaves itself open for the viewer to put any number of meanings into.

O Brave New World? Electronic Voting Machines And Internet Voting: An Annotated Bibliography, Therese A. Clarke Arado, Susan M. Boland

Faculty Articles, Papers, and Other Scholarship

No abstract provided.

Webs Of Significance: The Abraham Lincoln Historical Digitization Project, New Technology, And The Democratization Of History, Drew Vandecreek

Faculty Articles, Papers, and Other Scholarship

Lincoln/Net (http://lincoln.lib.niu.edu), a product of the Abraham Lincoln Historical Digitization Project at Northern Illinois University Libraries, represents a new type of historically oriented digital library resource. Like many other digital libraries, it contains a large amount of searchable primary source materials. Like a number of other historically oriented online resources, project staff have organized Lincoln/Net around a specific topic, in this case Abraham Lincoln's life and times in antebellum Illinois. In addition to Lincoln's own papers, the project's databases contain resources shedding light on his context, including letters, diaries, and publications prepared by his peers. Unlike most historically oriented digital …

Sugarcane Tasseling Under Artificial Photoperiod Conditions As Affected By Nitrogen Rate And Temperature, Christopher Michael Laborde

LSU Doctoral Dissertations

Optimizing flowering in the LSU AgCenter’s Sugarcane ( Sacchrum spp. hybrids) Breeding Program is an important step in the variety development program. The effect of nitrogen and ambient air temperature in pot cultured sugarcane were examined as a means of improving sugarcane flowering. The experiment was conducted on agronomic and reproductive traits of sugarcane at the Sugar Research Station, St. Gabriel, LA, on sugarcane genotypes subjected to artificial photoperiod regimes. The potting media consisted of equal parts of washed sand, Canadian peat moss, and a Commerce silt loam soil (fine-silty, mixed, nonacid, thermic aeric Fluvaquents). Early nitrogen (22.4-22.4-22.4 kg ha-1) …

Psychiatric Restraint And Seclusion: Resisting Legislative Solution, Stacey A. Tovino

Scholarly Works

The use of restraint and seclusion in the American psychiatric setting has a rich history—rich in medical, ethical, legal, and social controversy. For centuries, mental health care providers used movement restrictions and solitary confinement to manage psychiatric patients. Superintendents of eighteenth and early nineteenth century insane asylums and other institutions of confinement believed that strait-waistcoats, “tranquilizer chairs,” “maniac beds,” chains, shackles, and “quiet rooms” deescalated agitation and promoted self-control. Reforms beginning in the nineteenth century helped make some psychiatric institutions more humane, in part because staff members were trained to find ways to calm potentially violent patients without imposing holds …

The Immigrant Rights Marches (Las Marchas): Did The “Gigante” (Giant) Wake Up Or Does It Still Sleep Tonight?, Sylvia R. Lazos

Scholarly Works

This article documents the genesis of the March 2006 immigrant rights protests and analyzes their impact. Las Marchas were truly spontaneous grassroots protests, the largest massive civil rights mobilization effort for a single event in the United States to date. This paper provides a macro- and micro-analysis of the forces that account for this success. First, the catalyst, HR 4437, a bill that was successfully approved by the House of Representatives would have criminalized illegal presence. This law was perceived as unjust, and engendered a debate around immigrant rights debate in terms with universal and simple appeal, human dignity, the …

Investigation Of Phospholipid Tubule Morphology For Use In Drug Delivery, Colleen Colson Garrett

LSU Doctoral Dissertations

Spherical vesicles consisting of phosphatidylcholines in which diacetylene groups have been inserted in the hydrocarbon tail centers give rise to hollow cylindrical tubes, known as “tubules”. The study of tubules has become an area of intense interest in recent years due to their unusual morphology, which raises several profound theoretical issues and suggests their use in a variety of applications. Tubule hollowness suggests medical and industrial encapsulations as well as filtration and purification applications. These potential uses, e.g., for drug and gene delivery, requires optimization of their morphology for the application. Tubules have many technologically desirable properties, such as a …

Revelations From "Cheesecake Manor": Agatha Christie, Detective Fiction, And Interwar England, Carron Stewart Fillingim

LSU Master's Theses

For too long standard interwar histories have portrayed the interwar years as a period marked by failure, instability, depression, and volatility. Instead, rising living standards, the narrowing of socioeconomic disparities, expanded avenues of social welfare, increased leisure time, and mass consumerism resulted in an altogether peaceful, healthier, stable, and increasingly affluent England. Out of these rising economic improvements emerged forms of mass entertainment, including popular fiction. Cheaper paper and printing methods, rising literacy, faster distribution methods, new forms of advertising, and the expansion of public libraries led to the creation of a mass readership across England. For the first time, …

Pre-Treatment Of Dynamically Varying Waste Gas Concentrations Using Activated Carbon Prior To Biofiltration: Effect Of Cycle Length On Degree Of Load Equalization, Kodi L. Collins

LSU Master's Theses

Dynamically varying waste gas concentrations pose challenges to the operation and design of air pollution control techniques such as biofilters. Although design approaches are becoming well established for biofilters treating gases containing VOC concentrations that are constant as a function of time, many industrial processes emit gas streams contaminated with volatile organic compounds at concentrations that fluctuate with time. Application of an effective load equalization technique could eliminate some challenges associated with fluctuating pollutant concentrations. Recent research has demonstrated that granular activated carbon (GAC) can serve as a passively controlled system to provide load-equalization as a pre-treatment prior to biofiltration. …

Chemical Ecology, Fungal Interactions And Forest Stand Correlations Of The Exotic Asian Ambrosia Beetle, Xylosandrus Crassiusculus (Motschulsky) (Curculionidae), Eric Paul Ott

LSU Master's Theses

Increasing evidence of non-indigenous ambrosia beetles aggressively attacking hosts in their new environment in the United States has led to concern over the potential for damage to urban trees, nurseries, orchards, and forests. A novel technique of flooding host trees was devised to stimulate ambrosia beetle attacks, with ambrosia beetle attraction peaking four days following flooding. In-situ sampling identified significant differences in the composition, quantity and point of release (leaf or bole) of volatiles emitted by the flooded and non-flooded trees. Coupled gas chromatography electroantennographic detection revealed olfactory sensitivity by the ambrosia beetle Xylosandrus crassiusculus (Motschulsky) to 29 of these …

Academic Concept Mapping (Acm): A Critical Thinking Tool In Academic Advising For Improving Academic Performance In College Freshmen, Dorothy Burton Nelson

LSU Doctoral Dissertations

The purpose of this study was to explore the affects of an academic advising system, the Academic Concept Mapping (ACM) instrument, on academic performance of first-semester freshmen enrolled in a four year public university in the South, during fall 2006. The California Critical Thinking Disposition Inventory (CCTDI®), a Likert-type instrument, was administered to 258 students enrolled in 12 sections (six treatment, six control) of a freshman seminar class to determine if ACM participation made a difference in scores by group type. As an additional measure, an ACM quiz was administered to all students in the ACM study. Three instructors participated, …

Detection Of West Nile Virus Activity In Male And Female Mosquitoes, And Evaluation Of Host-Utilization Patterns Of Mosquitoes, In East Baton Rouge Parish, Louisiana, Andrew James Mackay

LSU Doctoral Dissertations

ABSTRACT Host utilization patterns of female mosquitoes, and WNV infection rates in male and female mosquitoes, were examined in East Baton Rouge Parish to identify potential vectors of West Nile virus (WNV). A total of 244,374 female mosquitoes were collected between November 2002 and October 2004 and tested by viral isolation. Additionally, 131,896 female mosquitoes were tested by VecTest in 2003, and 167,175 female mosquitoes were tested by RT-PCR in 2004. West Nile virus was isolated from 17 of 36 mosquito species assayed by virus isolation, WNV antigens were detected in 9 of 27 species tested by VecTest, and WNV …

I Met You, Momoko Kimura

LSU Master's Theses

My goal for the work documented in this paper was to create and install an immersive multimedia environment, using animation and interactivity to express and communicate ideas drawn from personal experience of how people may meet, influence each other and enrich each other’s lives. With my projects over the past few years, I learned that sharing personal stories is a powerful tool for communicating with others. The I MET YOU piece provided the perfect opportunity for me to pull together all my thoughts and tell people who have made difference in my life “I’m so glad I met you.” I …

A Liquid Lens Based On Electrowetting, Jihwan Park

LSU Master's Theses

A primary goal of this work is to develop and characterize a novel liquid lens based on electrowetting. A droplet of silicone oil confined in an aqueous solution works as a lens. Electrowetting then controls the shape of the confined silicone oil, and the focal length may be varied upon an applied electric potential. The planar lens design is employed for easy integration of a lens system into a microfluidic device. The achievements of this work are to develop an electrowetting-based planar liquid lens without an off-the-plane electrode structure and to demonstrate the planar liquid lens with variable focal length …

The Apologia Of Franchino Gafurio: A Critical Edition And Translation, Patrick Joseph Kaufman

LSU Master's Theses

Franchino Gafurio’s Apologia (Turin, 1520) is one musical treatise in a series of works that constituted the famous “pamphlet war” between he and Giovanni Spataro. The dispute originated with the publication of Bartholomeo Ramis de Pareia’s Musica practica (Bologna, 1482). Unconventional and unapologetically critical, Ramis rejected venerated musical traditions in an attempt to align music theory with contemporary music practice. He opposed the Pythagorean division of the monochord and Guidonian solmization syllables, and instead proposed a division which produced pure thirds, and a solmization system based on the octave. His iconoclastic proposals and his highly sarcastic tone called forth a …

Measurements And Computations Of The Flow In Full-Scale Sugar Evaporative-Crystallizers And In Lab-Scale Models, Luis Fernando Echeverri

LSU Doctoral Dissertations

The circulation of massecuite is a key factor in achieving efficient heat transfer and crystallization in sugar evaporative crystallizers, and should be as high as practically possible for recovery, quality, and capacity reasons. This research report presents results on the circulation obtained applying modern experimental and numerical techniques. The main goals are contributing to expand the understanding of the process in sugar crystallizers; developing realistic models for the simulation of the circulation; and studying the effect of different design parameters. The circulation of massecuite is driven by buoyancy force due to density difference between the vapor generated and the surrounding …

Establishment And Chemical Analysis Of Hairy Roots Of Eucommia Ulmoides, Xiaojun Wu

LSU Doctoral Dissertations

The bark of Eucommia ulmoides Oliver (Eucommiaceae) has been used over thousands of years as a folk remedy. Extracts from the bark exhibit multiple pharmacological functions, especially in lowering blood pressure. Geniposidic acid (GA), pinoresinol diglucoside (PG) and chlorogenic acid (CA) are three compounds isolated from the bark of the Eucommia tree, which display enormous bioactivities. As a type of plant tissue culture, the hairy root culture system displays prospective application over traditional cell or callus cultures, which are characterized by rapid growth, and stable biochemical and genetic capacity. The present dissertation discusses the establishment and chemical analysis of E. …

Litigating Canada-U.S. Transboundary Harm: International Environmental Lawmaking And The Threat Of Extraterritorial Reciprocity, Austen L. Parrish, Shi-Ling Hsu

Articles by Maurer Faculty

This Article joins a spirited debate ongoing among international law scholars. Numerous articles have debated the changing nature of international law and relations: the impact of globalization, the decline of territorial-sovereignty, the ever important role that non-state actors play, and the growing use of domestic laws to solve transboundary problems. That scholarship, however, often speaks only in general theoretical terms, and has largely ignored how these changes are playing out in countries outside the United States in ways that impact American interests.

This Article picks up where that scholarship leaves off. It examines one of the perennial challenges for international …

The Application Of Controlled Radical Polymerization Processes On The Graft Copolymerization Of Hydrophobic Substituents Onto Guar Gum And Guar Gum Derivatives, Veronica Holmes

LSU Doctoral Dissertations

Guar gum is a naturally occurring polysaccharide; guar gum and its derivatives, such as carboxymethyl guar gum (CMG) are widely used in the oil and gas industry. A hydraulic fracturing fluid for rock formations to enhance oil recovery (EOR) is comprised of viscosifier, gelled CMG, and sand particles (proppants). The gel is mixed with proppant (sand) and pumped at high rate and high pressure into an oil/gas well to the hydrocarbon-producing zone. The applied pressure will force the rock formation to fracture allowing entry of the guar gel/sand mixture. The mixture then fills the resultant fracture. The viscosity of the …

False Rivers, Tracy Heischman

LSU Master's Theses

The issue of Modern society’s detachment from nature and a sense of place are the inspiration for this body of work. The use of aerial landscapes relates to the concept of our increasing disconnection from nature and our environment. Viewers float above the landscape and are not part of it. They can become involved visually but are not connected by a traditional point of view. There is evidence of humanity, but it is impersonal, paired down to simple shapes and brush strokes. By pulling back and showing humanity as a smaller part of the earth, like ants leaving trails in …

Vascular Function, Physical Performance And Aging, Devon Dobrosielski

LSU Doctoral Dissertations

This is a series of three experiments with brachial artery flow-mediated dilation (BAFMD) as the major outcome variable. The first study examined the temporal response of the brachial artery diameter following forearm occlusion in sixteen young (28±8 years) and fifteen older (85±8 years) men. Following release of the pressure cuff there is a significant reduction in brachial diameter compared to baseline, followed by a rapid increase to a PEAK. When comparing the magnitude of the decrease in diameter and the BAFMD between Young and Old, older subjects demonstrated a blunted response. A significant relation was noted between the magnitude of …

The Black Church And Political Mobilization Of African Americans, Misty Noel Johnson

LSU Master's Theses

This study investigates the political and social activities of black church congregations within a southern community by assessing the effectiveness of three churches in mobilizing their congregations and serving as channels for political communication. The study pays particular attention to the differences between affiliations within the black church, the influence of religious leaders on political involvement, attitudes regarding political involvement and political influences outside of the church. The thesis begins by placing the black church in its historical context —as a giver of spiritual and community orientation as well as a social and political mobilization agent. Using survey results from …

An Investigation Of The Frictional And Thermal Behavior Of Oscillatory Sliding Line Contacts, Mongi Mansouri

LSU Doctoral Dissertations

This research deals with an experimental and numerical investigation of the frictional and thermal behavior of pin-bushing pairs, operating at reciprocating sliding motion or under heavy loads. Large interfacial temperatures developed due to frictional heating can cause failure. Therefore, numerical prediction and analysis of the surface temperature under various operating conditions are important. Laboratory tests using a pin-bushing tester provided measurements of the friction coefficient and temperature. Hard coated and plain (uncoated) bushings, both made of induction hardened stainless steel, were tested. Lower coefficient of friction and surface temperature were observed in the case of the coated bushing. In the …

Magnetically Induced Release Of Fluorescein Isothiocyanate (Fitc) From Polymer Nanoparticle Composites (Pncs), Michelle Urbina

LSU Master's Theses

Magnetically induced drug release can be used as a site-specific, minimally invasive pharmaceutical treatment. Its purpose is to increase the efficacy of drug therapies to diseased or damaged tissue and to decrease the amount of unnecessary damage to healthy, surrounding tissue. To prove the concept of drug release by a magnetic field, this study focused on the release of a fluorescent molecule from magnetic polymeric nanoparticle composites (PNCs) via induction of an alternating current (AC) magnetic field. Fluorescent magnetic PNCs used were 250 ?m or less in size, and were made of poly(methyl methacrylate) (PMMA) containing either the magnetic material …

Brucella Melitensis: The Evaluation Of A Putative Hemagglutinin Gene's Effect On Virulence In The Caprine Model, Quinesha Laticia Perry

LSU Doctoral Dissertations

Brucella melitensis is a facultative intracellular bacterial pathogen that causes abortions in goats and sheep and Malta fever in humans. The zoonotic disease brucellosis causes severe economic losses in the Mediterranean region and parts of Africa, Asia, and Latin America. With the completion of the genomic sequences of B. abortus 2308 and B. melitensis 16M, no classical virulence factors were found; and the chromosomes were virtually identical. However, in B. melitensis, a putative hemagglutinin gene was identified which is absent in B. abortus. The possibility of the hemagglutinin gene being a potential virulence factor was evaluated via gene replacement/deletion in …

Identificaton Of Molecular Markers Associated With Resistance To Aspergillus Flavus In Maize, Sreedhar Alwala

LSU Master's Theses

Aflatoxin contamination of maize (Zea mays L.) grain caused by Aspergillus flavus is a serious health hazard to animals and humans. Resistance to infection by A. flavus is poorly understood. The objectives of this investigation were to identify potential candidate markers associated with resistance in maize kernels and pollen grains to A. flavus using a mapping population derived from a cross between Mp313E (resistant) and SC212m (susceptible) inbred lines. The parents, F₁, and F₂ plants were planted in the field in 2005. Each F₂ plant was selfed to produce F_2:3 seed. Fresh pollen collected from …

Assessment Of Thelypteris Palustris, Asparagus Sprengeri, And Lolium Perenne For Their Potential Use In The Phytoremediation Of Arsenic-Contaminated Soils, Lashunda L. Anderson

LSU Doctoral Dissertations

The goal of this study is to evaluate the potential of three plants, Thelypteris palustris (marsh fern), Asparagus sprengeri (asparagus fern), and Lolium perenne (perennial ryegrass) for use in phytoremediation of arsenic-contaminated soils. Specifically, the objectives of this study are to (1) confirm if arsenic accumulation occurs in the selected plants, (2) to examine morphological effects of arsenic in the selected plants, and (3) to evaluate the oxidation state of arsenic upon accumulation in the selected plants. The analytical method combination of ICP-MS, SEM, and XANES was used to accomplish the objectives of this study. The results indicate marsh fern, …