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2004

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Quantification Of Marine Sediment Properties From Planar And Volumetric Pore Geometries, Allen Hagerman Reed Jan 2004

Quantification Of Marine Sediment Properties From Planar And Volumetric Pore Geometries, Allen Hagerman Reed

LSU Doctoral Dissertations

Pore geometry and topology are important determinants of sediment physical properties, such as porosity and permeability. They also influence processes that occur in the sediment, such as acoustic propagation, attenuation, and dispersion, single- and multi-phase fluid flow, and hydrodynamic dispersion. This study uses images to evaluate pore geometry and topology of ooid (subspherical particles) and siliclastic (angular quartz) sand that was collected from the marine environment south of Bimni Bahamas and Ft. Walton Beach, FL, respectively. Image analysis techniques and predictive tools enable insight into the relationships among sediment pore geometry, topology, and physical properties for these differently shaped sands. …

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Properties Of Borate-Treated Strandboard Bonded With Pmdi Resin, Yiqiang Zhou Jan 2004

Properties Of Borate-Treated Strandboard Bonded With Pmdi Resin, Yiqiang Zhou

LSU Master's Theses

Random strandboards from mixed southern wood species were manufactured using calcium borate (CB) and zinc borate (ZB) as chemical additives and polymeric methylene diphenylmethane disocyanate (pMDI) as resin. There were four target levels of borate loading and two levels of resin content. Panel properties, including modulus of elasticity (MOE), modulus of rupture (MOR), internal bond (IB) strength, linear expansion (LE), thickness swelling (TS), leachability, and swelling and strength retention properties under cyclic relative humidity, were measured. The influence of borate content, borate type, and resin content on various properties was analyzed. It was found that the addition of borate negatively …

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Difference In Sleep Disturbances Among Severely And Profoundly Retarded Adults With High Risk Behaviors, Carrie Jo Malone Jan 2004

Difference In Sleep Disturbances Among Severely And Profoundly Retarded Adults With High Risk Behaviors, Carrie Jo Malone

LSU Master's Theses

Individuals with intellectual disabilities have been linked to higher incidences of a variety of mental illnesses when compared to the general population (Rutter, Tizard, Yule, Graham, & Whitmore, 1976; and Borthwick-Duffy, 1994). Because of the symptoms associated with mental retardation; such as limited social skills, delayed or minimal communication skills, and maladaptive behaviors, mental illness can be difficult to assess when combined with an intellectual disability (Sovner, 1986). Currently there is no available mechanism for diagnosing sleep disorders in adults with severe and profound mental retardation. The purpose of the first study is to provide validation of the Diagnostic Assessment …

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Characteristics Of An Effective Teacher Of Reading In An Elementary School Setting, Jennifer Aby Archer Jan 2004

Characteristics Of An Effective Teacher Of Reading In An Elementary School Setting, Jennifer Aby Archer

LSU Doctoral Dissertations

Struggling readers have been the central focus of American politics for decades. Teachers of all ages and experiences across America deliver reading instruction in a variety of ways. The purpose of this study is to determine the characteristics of an effective teacher of reading in an elementary classroom setting. The study was conducted in a public and a private sector school in a capital city in the southern United States. Two principals, two second grade teachers, and two fourth grade teachers were participants in this study. A qualitative research focus provided the methodological basis for this study. The research design …

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Utility Of The Implementation Of Programmatic Systems To Reduce And Eliminate Restraint Use For The Treatment Of Problem Behaviors With Individuals With Mental Retardation, Yemonja Smalls Jan 2004

Utility Of The Implementation Of Programmatic Systems To Reduce And Eliminate Restraint Use For The Treatment Of Problem Behaviors With Individuals With Mental Retardation, Yemonja Smalls

LSU Doctoral Dissertations

Persons with mental retardation continue to remain one of society’s most vulnerable groups as the number of individuals served increases and non-proportional resources are allotted to take of their needs. With results of national investigations indicating widespread indiscriminate abuse of restraints and overmedication to manage dangerous behaviors, federal mandates have been initiated to ensure ethical, safe and clinically sound use of these techniques. This study addressed the implementation of systemic changes that included a restraint education program and policy changes, careful monitoring and review of restraint and behavioral programming by oversight review bodies, and intense training of preventative and de-escalation …

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From Oklahomans To "Okies": Identity Formation In Rural California, Toni Ann Alexander Jan 2004

From Oklahomans To "Okies": Identity Formation In Rural California, Toni Ann Alexander

LSU Doctoral Dissertations

Throughout the twentieth century difficult economic circumstances have resulted in reduced employment opportunities. In-migrants have long borne the brunt of these limitations, facing open hostilities from residents who felt that these "outsiders" were undeserving of employment and social services. Within the context of the 1930s Depression in the Central Valley of California, such negative public sentiment was often directed at "Okies," the 315,000 former residents of the "Western South" who crossed the California state line in search of employment in the agricultural fields of the Golden State. In this dissertation, I examine the changing conceptualizations of Okie identity throughout the …

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Written Language Skills Of Middle And High School Students In An Alternative Program, Zuhar Rende Jan 2004

Written Language Skills Of Middle And High School Students In An Alternative Program, Zuhar Rende

LSU Doctoral Dissertations

The purpose of this study was to determine the written language skills of middle and high school students who were attending alternative programs in Southern California. The participants of this study were 114 students who were identified and served under Delinquency Prevention Program (DPP) and 83 students who were identified and served under Court Ordered Probation (COP). The Test of Written Language -3 (TOWL-3) (Hammill & Larsen, 1996) was administered to the participants in order to obtain written language measures. In addition, this study investigated whether any relationships exists between written language skills, academic measures and selected demographic characteristics of …

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Differentiating Beliefs Of Insured And Uninsured, Insurance-Eligible State Employees: A New Application Of The Health Belief Model, Jill Elizabeth Murray Jan 2004

Differentiating Beliefs Of Insured And Uninsured, Insurance-Eligible State Employees: A New Application Of The Health Belief Model, Jill Elizabeth Murray

LSU Doctoral Dissertations

The increasing number of uninsured Americans is a crucial policy issue for the United States; however, there is a paucity of empirical social science research on the uninsured with which to guide the development of policy. Previous research indicates that when insurance is voluntary, whether offered through a state-initiated reform to reduce uninsurance or offered through an employer as a benefit, some people choose to remain uninsured. The literature calls for research to increase understanding of the factors that affect whether people offered insurance accept or decline that insurance. Research on the uninsured is lacking a theoretical framework to help …

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Effects Of Aerobic And Anaerobic Training Protocols On 4000m Track Cycling Time Trial, William Mathieu Cheramie Jan 2004

Effects Of Aerobic And Anaerobic Training Protocols On 4000m Track Cycling Time Trial, William Mathieu Cheramie

LSU Master's Theses

The aim of this study was to determine whether performance in a 4000m individual pursuit could be significantly influenced by training protocols that are solely based in either aerobic/distance training, or anaerobic/sprint training. Faina et al., (1989) and Neuman et al. (1992) have found, using professional track cyclist that there appears to be a split in energy pathways used to perform the event. Their results indicate that 20% of the workload is achieved via anaerobic metabolism and the remaining 80% are achieved through aerobic metabolism. Group #1, followed a training protocol modeled after repeated, short duration, (<1:30.00s/1000m), high intensity sprinting. This particular training protocol may serve to utilize a greater proportion of its allotted time by generating beneficial metabolic adaptations that may possibly improve the subjects performance in the 4000m individual pursuit. Group #2, trained primarily through aerobic means, followed the "more traditional" training method for such an event. This protocol consisted of cycling intervals of distances proportionally longer (>4000m) than that …

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Entry-Level Job Skills Needed By Wildlife Management Professionals, Billy Warren Delany, Jr. Jan 2004

Entry-Level Job Skills Needed By Wildlife Management Professionals, Billy Warren Delany, Jr.

LSU Doctoral Dissertations

The research purpose was to identify the job skills needed by entry-level wildlife managers, which was accomplished by utilizing a Delphi panel of wildlife management experts from the academic, private and public employment sectors. The Delphi panel was selected from a committee nominated, pool of 81 innovative wildlife management experts. The panel for Rounds One, Two, and Three of this Delphi survey consisted of 31, 32, and 31 members, respectively. The Delphi process involved three survey rounds. Round One consisted of collecting and developing entry-level job skill items from the panel, which resulted in 382 items. Round Two developed initial …

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Musical Play Across Ethnic Boundaries In Western Jamaica, Ronald Eric Dickerson Jan 2004

Musical Play Across Ethnic Boundaries In Western Jamaica, Ronald Eric Dickerson

LSU Master's Theses

An ethnography of music, ritual, and festival in western Jamaica, this thesis reports on fieldwork performed in St. Elizabeth and St. James Parishes between June 2002 and January 2003. Featured field sites include rural dancehall events, Kumina performances, Accompong Town's Maroon Heritage Festival, and a Rastafarian music and nutrition festival called "The Supper of Rastafari." Building an account of these and other sites of cultural performance, this study focuses on social connections between groups of participants, traced through poetic, historical, and personal relationships among performers, especially across boundaries of ethnic, stylistic, or religious difference within Jamaica's national cultural identity.

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Genetics And Functions Of Herpes Simplex Virus Type 1 Membrane Proteins In Virus-Induced Cell Fusion, Virion Morphogenesis And Egress, Jeffrey Michael Melancon Jan 2004

Genetics And Functions Of Herpes Simplex Virus Type 1 Membrane Proteins In Virus-Induced Cell Fusion, Virion Morphogenesis And Egress, Jeffrey Michael Melancon

LSU Doctoral Dissertations

The Herpes Simplex Virus life cycle contains a number of membrane fusion events that must function properly to ensure a productive infection, including: virus attachment and entry into susceptible cells, de-envelopment at the outer nuclear lamellae, and virus-induced cell-to-cell fusion. A virus-free cell fusion assay was recently developed in order to attempt to understand the underlying mechanisms that are responsible for viral fusion events and was utilized in order to investigate the effect of mutations targeted to the carboxyl terminus of gB. We showed that the predicted alpha helical domain H17b within the carboxyl-terminus of gB is involved in both …

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An Investigation Of The 150-Hour Requirement In Developing Personal Competencies In Accounting Education, Laura Davis Delaune Jan 2004

An Investigation Of The 150-Hour Requirement In Developing Personal Competencies In Accounting Education, Laura Davis Delaune

LSU Doctoral Dissertations

This study investigated if accounting graduates from Louisiana State University, a public institution, perceived that their accounting curriculum enhanced the development of their personal competencies of professional demeanor, problem solving/decision making, interaction, leadership, and communication. A survey mailed to accounting graduates who graduated from Fall 1999 to Spring 2002 was used to gather the data for the study. Responses from graduates with different curricular paths were compared to determine if significant differences existed in their perceptions of the development of their personal competencies. Results revealed that no significant difference exists in the perception of the development of personal competencies among …

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The Effects Of A Recess Or Break And Stimulant Medication On The Classroom Behavior Of Children With Adhd, Andrea Ridgway Jan 2004

The Effects Of A Recess Or Break And Stimulant Medication On The Classroom Behavior Of Children With Adhd, Andrea Ridgway

LSU Doctoral Dissertations

Only two empirical studies of recess have been extended to children with a diagnosis of attention deficit hyperactivity disorder (ADHD) and only one has included a single-case analysis. In addition, no studies have been found that specifically evaluated the effects of a quiet, indoor break on the classroom behavior of children in general, and children with ADHD in particular. The primary purpose of this study was to evaluate the effects of a recess, break, and continuous classroom schedule on the subsequent classroom behavior of children with a diagnosis of ADHD both when participants did and did not receive stimulant medication. …

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Partitioned Pricing: Can We Always Divide And Prosper?, Bidisha Burman Jan 2004

Partitioned Pricing: Can We Always Divide And Prosper?, Bidisha Burman

LSU Doctoral Dissertations

Research on partitioned pricing suggests that separating the surcharges from the base price of the advertised product may lead to a more favorable effect on consumers' evaluation of the offer compared to a combined presentation of the base price and the surcharge. In this dissertation we propose that partitioned price presentation may not always result in positive outcomes vis-à-vis combined presentation of prices. We propose that consumers' need for cognition and the perceived reasonableness of the surcharge are likely to influence their evaluation of partitioned versus combined prices. Based on cue diagnosticity, Persuasion Knowledge Model, and Characterization-Correction Model we develop …

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Effects Of Family Violence And Parental Psychopathology On The Psychological Outcome Of Urban Adolescents Exposed To Community Violence, Shannon Self-Brown Jan 2004

Effects Of Family Violence And Parental Psychopathology On The Psychological Outcome Of Urban Adolescents Exposed To Community Violence, Shannon Self-Brown

LSU Doctoral Dissertations

Previous research has documented an association between adolescents’ exposure to community violence and a range of mental health problems. However, some violence-exposed youth maintain high levels of adaptive behavior and exhibit good psychological functioning. Thus, it appears that protective and/or risk factors are involved in the community violence-psychological outcome relation, which mitigate the conditions under which community violence exposure leads to adverse adolescent outcome. According to the ecological transactional model, protective and/or risk factors may exist within the family that influence adolescent outcome in response to community violence exposure. The purpose of this study was to delineate the relations among …

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Faunal Succession Of Necrophilous Insects Associated With High-Pofile Wildlife Carcasses In Louisiana, Erin Jean Grindley Watson Jan 2004

Faunal Succession Of Necrophilous Insects Associated With High-Pofile Wildlife Carcasses In Louisiana, Erin Jean Grindley Watson

LSU Doctoral Dissertations

The same entomological criteria used in estimating time of death for humans are applicable for deceased wildlife. Necrophilous insects associated with animal carcasses can provide wildlife law enforcement with valuable information necessary for postmortem interval estimation, and ultimately, to incriminate poachers. The purpose of this research was twofold: to establish species composition, faunal succession patterns, and species and life stage interactions of necrophilous insects associated with three wildlife species; and to identify new methods of evaluating succession patterns using statistical measures. Twenty-one large vertebrate carcasses were monitored throughout decomposition in a mixed flatwood forest in East Baton Rouge Parish, LA …

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Case Study Analysis Of Strategic Alliances For The U.S. Beef Industry, Angel Bu Zapatta Jan 2004

Case Study Analysis Of Strategic Alliances For The U.S. Beef Industry, Angel Bu Zapatta

LSU Master's Theses

This paper provides case studies on the structure of six strategic alliances in the beef industry. Strategic alliances are identified whose structure could conceivably be used in Louisiana. Strategic alliances are compared and contrasted on the basis of development and performance. The main objective of this study was to determine the organization and operation of six strategic alliances in the beef industry. The study examines strategic alliances in the U.S. beef industry using multiple exploratory case studies. The exploratory type, allows the researcher to better understand critical points in the beef industry and how the use of strategic alliances can …

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The Diagnosis Of Dementia In Persons With Mental Retardation: Validating Methods Of Assessment, Joanne Bielecki Jan 2004

The Diagnosis Of Dementia In Persons With Mental Retardation: Validating Methods Of Assessment, Joanne Bielecki

LSU Doctoral Dissertations

The usual assessment instruments for the diagnosis of dementia are often difficult to use among individuals with mental retardation. This study investigates whether a modified method based on Visser et al. (1997) can identify a dementing process. Ninety individuals diagnosed with severe and profound mental retardation were studied. One half of the participants were diagnosed with Down's syndrome. The participants were equally assigned to one of three groups based on perceived risk of dementia. A differential prevalence design was used. Both cross sectional and longitudinal analyses were utilized in this study. Results indicate that the Visser et al. (1997) method …

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Effective Literacy Instruction In The Elementary Grades, Marie Laurent Bergeron Jan 2004

Effective Literacy Instruction In The Elementary Grades, Marie Laurent Bergeron

LSU Doctoral Dissertations

The purpose of this study was to identify elements present in effective literacy instruction, i.e., those elements that fostered reading, speaking, listening, thinking, writing, and metacognitive skills. By examining variables that promoted literacy acquisition and achievement, a detailed account resulted which described classroom practice as related to teacher beliefs, strategies, materials, and classroom climate. The primary method of qualitative analysis used for this study was the Developmental Research Sequence (DRS) Method (Spradley, 1980). Two classrooms with exemplary teachers were studied extensively. Data collection involved the use of primary sources (interviews, observations, and student and teacher work) and secondary sources (records, …

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A Qualitative Exploration Of Students' Experiences With Tutorial Learning, Angela Alexander Jan 2004

A Qualitative Exploration Of Students' Experiences With Tutorial Learning, Angela Alexander

LSU Doctoral Dissertations

The purpose of this study is to explore how students perceive their tutorial learning experiences at the collegiate level in a campus-based center and to explore the personality preferences of the students who participate in tutoring, according to the Myers-Briggs Type Indicator (MBTI). The study is designed to address tutoring from the perspective of the tutee’s experiences and to allow them to tell their story of how tutoring impacted their academic experience. The following research questions guide this study: 1. What are students’ perceptions of their tutorial learning experiences? 2. Are students’ perceptions of their tutorial learning experiences related to …

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Solving A Locational Distribution Problem Of Non-Toxic Solid Waste On The Island Of Puerto Rico, Sandra A. Soto Jan 2004

Solving A Locational Distribution Problem Of Non-Toxic Solid Waste On The Island Of Puerto Rico, Sandra A. Soto

LSU Master's Theses

The island of Puerto Rico is confronting a crisis in waste management due to inadequate management from the local government, the decreasing number of landfills available, high population density, and paucity of places for waste disposal. This research develops a least-cost model for the disposal and transportation of non-hazardous solid waste. Location-allocation (LA) and Geographic Information Systems (GIS) software are used to analyze the efficiency of the present pattern of waste allocation and to identify a near-to-optimal assignment of waste for the landfills in operation today and the landfills that will be open by 2008. The “near-to-optimal” models obtained from …

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The Use Of Altrenogest To Control Reproductive Function In Beef Cattle, Clarence Edward Ferguson Jan 2004

The Use Of Altrenogest To Control Reproductive Function In Beef Cattle, Clarence Edward Ferguson

LSU Doctoral Dissertations

There has been great controversy involving progesterone (P4) levels during early pregnancy in cattle. The objectives of these experiments were to determine the effect of an early low dose administration of P4 or altrenogest (ALT) on pregnancy rates in repeat breeder (RPB) females, if an increase in pregnancy rates could result from a direct effect of P4 on the embryo and if ALT could support pregnancy in the absence of a functional CL. Firstly, ALT was evaluated for use as a progestin in cattle by synchronizing estrus in beef heifers. There were no differences in the …

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Impact Of Static Flexion Duration On The Development Of A Neuromuscular Disorder Of The Lumbar Spine, Rebecca Victoria Labry Jan 2004

Impact Of Static Flexion Duration On The Development Of A Neuromuscular Disorder Of The Lumbar Spine, Rebecca Victoria Labry

LSU Master's Theses

Many occupational groups work under adverse conditions in which their spinal columns are fully flexed under load for substantial periods of time. This study was designed to determine the response of the lumbar spine to a static load of a substantial duration under a range of load magnitudes. The impact of static loads of 20, 40 and 60N were applied over 30 min flexion, 10 min rest, and 30 min flexion (for a total of one hour exposure) followed by a 7 h rest. Lumbar viscoelastic creep (laxity) and reflex electromyographic (EMG) activity were monitored over both flexion periods and …

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Food Safety Knowledge And Practices Of Food Recovery Agency Workers Before And After Food Safety Training, Sara Katherine Waggoner Jan 2004

Food Safety Knowledge And Practices Of Food Recovery Agency Workers Before And After Food Safety Training, Sara Katherine Waggoner

LSU Master's Theses

Many food recovery agencies depend on donated food, and its safety is critical for the health of vulnerable populations. A food safety curriculum was developed for agency volunteers and paid staff of the Lower Mississippi Delta region. Examples of topics in the curriculum included: personal hygiene, food storage, transporting food safely, and HACCP. Food Safety Knowledge Pre- and Posttests (20 questions) were identical, and validity and reliability were established prior to use. Paired t-tests were performed to determine the effectiveness of the curriculum (n=190). A Food Safety Practices Survey (10 questions) demonstrating attitudes and behaviors regarding food safety practices in …

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Examining The Relationships Between Ability Conceptions, Intrinsic Motivation, Presistence And Performance, Weidong Li Jan 2004

Examining The Relationships Between Ability Conceptions, Intrinsic Motivation, Presistence And Performance, Weidong Li

LSU Doctoral Dissertations

The purpose of this study was to examine the relationships between ability conceptions, intrinsic motivation, persistence, and performance using an interaction approach. The phase-one study revealed that participants who were more oriented toward incremental ability beliefs were likely to be more intrinsically motivated. For those who were more intrinsically motivated, they displayed more persistence and obtained better performance scores. Participants who were highly intrinsically motivated had lower performance scores as they were more oriented toward incremental ability beliefs. The phase-two study showed that participants who were more oriented toward incremental views were more intrinsically motivated, which provided evidence supporting the …

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In Vitro Evaluation Of The Securos Cranial Cruciate Ligament Repair System And Fluorocarbon Leader Line For Use As Lateral Fabella-Tibial Sutures, Max Nielsen Banwell Jan 2004

In Vitro Evaluation Of The Securos Cranial Cruciate Ligament Repair System And Fluorocarbon Leader Line For Use As Lateral Fabella-Tibial Sutures, Max Nielsen Banwell

LSU Master's Theses

Cranial cruciate ligament (CCL) rupture is a common injury in the dog and major cause of degenerative joint disease. The pathophysiology of CCL rupture in the dog is well described. Osteoarthritis secondary to CCL rupture causes severe pain and lameness. There are many surgical techniques accepted for dogs with CCL rupture. A commonly performed technique is an extracapsular repair with a lateral fabella-tibial suture (LFS) using large diameter nylon leader line (NLL). Mechanical demands placed upon the LFS are high requiring the material used be able to withstand a high amount of force, undergo minimal elongation, and have a high …

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Durability Of Pine Strandboard Modified With Low Molecular Weight Phenol Formaldehyde, Matthew Daniel Voitier Jan 2004

Durability Of Pine Strandboard Modified With Low Molecular Weight Phenol Formaldehyde, Matthew Daniel Voitier

LSU Master's Theses

A continuing challenge for wood and wood-based composite building materials has been durability--the power of resisting agents or influences which tend to cause changes, decay, or dissolution; lastingness. In the case of wood-based products, this often requires a resistance to biological degradation and moisture related dimensional instability (particularly in particle and flake or strand boards). Borden Chemical Company has developed a new low molecular weight phenol formaldehyde additive, PD-112, to improve durability in composite wood products. This study investigated PD-112’s contribution to durability in oriented strand board (OSB) through laboratory testing of treated southern pine strandboard panels versus untreated control …

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Storytelling From The Margins: The Healing Narratives Of J. California Cooper, Cynthia Downing Bryant Jan 2004

Storytelling From The Margins: The Healing Narratives Of J. California Cooper, Cynthia Downing Bryant

LSU Doctoral Dissertations

This study examines the therapeutic qualities of selected short stories and novels by contemporary African American woman writer, J. California Cooper. Specifically, I examine the manner in which Cooper's texts can be appreciated as "healing narratives." Healing narratives, as defined in this study, are those texts in which the author consciously creates fictitious representations of reality, while employing the concept of hope as a central and guiding factor. Those aspects of the narrative that have the ability to heal or "lay hands on" a reader vary because the effectiveness of the story depends upon how well the reader can identify …

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Microsatellite Instability In Squamous Cell Carcinoma And Lichen Sclerosus Of The Vulva, Sidney Joseph Marlborough Jan 2004

Microsatellite Instability In Squamous Cell Carcinoma And Lichen Sclerosus Of The Vulva, Sidney Joseph Marlborough

LSU Master's Theses

The usefulness of detecting genomic instability in the form of microsatellite instability (MSI) has been examined in a number of cancers. Squamous cell carcinoma (SCC) and adjacent normal and lichen sclerosis (LS) samples were taken from patients with radical vulvectomies. Vulvar SCC samples were compared with adjacent normal samples using four oligonucleotide markers (BAT-25, BAT-26, D10S208 and D10S587) found to be informative with other carcinomas. Using polymerase chain reaction techniques, 30 vulvar SCC DNA samples were examined for MSI. BAT-26 displayed the highest level of MSI and was considered to be the most sensitive marker in studying vulvar SCC. There …

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