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Intracellular Lipids In Bos Indicus And Box Taurus Oocytes, Casey Bryant Ballard
Intracellular Lipids In Bos Indicus And Box Taurus Oocytes, Casey Bryant Ballard
LSU Master's Theses
It has been proposed that Bos indicus when compared with Bos taurus embryos are more sensitive to cryopreservation procedures due to higher intracellular lipid content of the embryos. With cyropreservation of Bos indicus embryos increasing for export, it is essential to improve the viability of these cryopreserved embryos. In Experiment I, M-II oocytes from mice, pigs and cows were subjected to two different procedures to evaluate lipid content. The lipid content present in pig oocytes was significantly (P<0.05) higher when compared with mouse and cow oocytes. Pig oocytes had a lower settling point in the sucrose buoyant density gradient and higher Nile Red units, which indicated higher lipids present in the oocytes. In Experiment II, it was determined that M-II oocytes aspirated from superstimulated Brahman donors were significantly higher (P<0.05) in lipid content compared with English breed donors. The lipid content present in Brahman oocytes was higher when compared with English breeds when tested with a sucrose buoyant density gradient and Nile Red staining. In addition, donor females with higher body condition scores were significantly (P<0.05) higher in oocyte lipid content when compared with donor females of lower body condition scores. Furthermore, animal body condition scores, cholesterol and triglyceride levels prior to oocyte aspiration may be indicators of intracellular lipids in the oocytes and embryos. To our knowledge, this is the first report that evaluated intracellular lipid content of M-II oocytes of different beef breed types using a sucrose buoyant density gradient and Nile Red staining.
The Genealogy Of Morals: Contemporary Empirical Accounts, Franklin Donald Worrell
The Genealogy Of Morals: Contemporary Empirical Accounts, Franklin Donald Worrell
LSU Master's Theses
In the late twentieth century, moral realists began to resurrect a type of argument that emerged during the Enlightenment. These realists appealed to moral progress as evidence for moral facts, and their arguments took the form of inferences to the best explanation. Recently, the argument style has emerged again. This time, the inference to the best explanation is being used by empirically-informed sentimentalists to argue that their theories can provide accounts of moral evolution that have greater explanatory and predictive power than the accounts offered by the moral realists. This thesis examines the arguments to the best explanation of such …
Effects Of Amino Acids On The Properties Of White-Fleshed And Orange-Fleshed Beauregard Sweet Potato Starch, Stephanie Helen Lockwood
Effects Of Amino Acids On The Properties Of White-Fleshed And Orange-Fleshed Beauregard Sweet Potato Starch, Stephanie Helen Lockwood
LSU Master's Theses
This study assessed the effects of amino acid additives, aspartic acid, leucine, lysine, and methionine, on the pasting and thermal characteristics of white-fleshed and orange-fleshed Beauregard sweet potato starches. Also, the white-fleshed and the orange-fleshed sweet potato starches were compared for any differences in their resistant starch and crystalline properties. This study was performed using Differential Scanning Calorimetery (DSC), Rapid Visco Analysis (RVA), X-ray Diffraction (XRD), and Resistant Starch Determination. The orange-fleshed starch granules began to gelatinize at a lower temperature (56.8°C) than the white-fleshed starch (70.1°C), but the two starches needed the same amount of energy to gelatinize. Lysine …
Evaluation Of Compliance With The Long Term 1 Enhanced Surface Water Treatment Rule, Racquel Rena Douglas
Evaluation Of Compliance With The Long Term 1 Enhanced Surface Water Treatment Rule, Racquel Rena Douglas
LSU Master's Theses
Cryptosporidium is a common protozoan parasite that causes cryptosporidiosis, a severe gastrointestinal disease. Currently, there is no antibiotic available to treat the disease. Cryptosporidium has been responsible for several waterborne disease outbreaks in the United States. The largest cryptosporidiosis outbreak in United States history occurred in Milwaukee, Wisconsin in spring 1993. The vulnerability of the United State drinking water supply to waterborne disease outbreak is still prevalent nearly 15 years after the Milwaukee outbreak. In order to effectively control Cryptosporidium, the EPA has strengthened the regulations on turbidity control for filtration performance by implementing the Long Term 1 Enhanced Surface …
Dragons Behind Glass: Views Of China And Japan In Three American Museums, Kristina Elaine Polizzi
Dragons Behind Glass: Views Of China And Japan In Three American Museums, Kristina Elaine Polizzi
LSU Master's Theses
This thesis will focus on three museums: the American Museum of Natural History in New York, New York, the Mobile Museum of Art in Mobile, Alabama and the Morikami Museum in Del Ray Beach, Florida. Overall the museums took surprisingly different approaches to designing their exhibits. The American Museum of Natural History gave a general overview of Japan and China. The Mobile Museum of Art focused only on pottery and the Morikami Museum focused on the Japanese immigrants that settled in Del Ray Beach. Differences and similarities of these museums and what these exhibits tell the viewer about the two …
The Effects Of Smoking Cessation On Control Of Food Intake In Postmenopausal African-American And Caucasian Women, Amanda K. Manning
The Effects Of Smoking Cessation On Control Of Food Intake In Postmenopausal African-American And Caucasian Women, Amanda K. Manning
LSU Master's Theses
Smoking cessation leads to greater weight gain in women than men, and older and postmenopausal women are at greater risk for weight gain than younger, premenopausal women. African-American postmenopausal women may be at the greatest risk. Weight gain after smoking cessation is primarily due to increased caloric intake. Currently, the literature regarding measurement of macronutrient intake after smoking cessation is plagued with methodological problems. The Geiselman Macronutrient Self-Selection Paradigm (MSSP) significantly and systematically varies fat across other macronutrients and the Geiselman Food Preference Questionnaire (FPQ) measures the negative feedback of satiation via pre- and postprandial hedonic ratings of foods. Fifty-five …
Characterization Of A Virulence Related Hypothetical Protein In Edwardsiella Ictaluri, Ildiko Katalin Polyak
Characterization Of A Virulence Related Hypothetical Protein In Edwardsiella Ictaluri, Ildiko Katalin Polyak
LSU Master's Theses
Although the biochemical characterization of E. ictaluri, the subsequent disease progression of enteric septicemia of catfish (ESC), and the associated pathologic lesions are well characterized, the mechanism of invasion of E. ictaluri into a susceptible host is poorly understood. Identification and confirmation of virulence factors and associated genes of E. ictaluri is crucial to elucidating the pathogenesis of this important disease. A signature tagged mutagenesis (STM) study conducted by Thune et al. (2006) identified 50 E. ictaluri clones with transposon insertions in genes potentially involved in pathogenesis. A specific STM mutant, 233PR, carrying a transposon insertion in a gene encoding …
Juvenile Crawfish (Procambarus Clarkii) Lc50 Mortality From South Louisiana Crude, Peanut And Mineral Oil, Okey Umejuru
Juvenile Crawfish (Procambarus Clarkii) Lc50 Mortality From South Louisiana Crude, Peanut And Mineral Oil, Okey Umejuru
LSU Master's Theses
Nearly every continent has species of crawfish that inhabit wetlands or are near coastal areas where petroleum and other oils are produced, transported, and accidentally released. Most crawfish cannot tolerate polluted water. Thus, they could serve as biomonitors of fossil fuel, biofuel, and other oil releases and assess potential negative impacts such oils have on wetland and coastal ecosystems. The objectives of this study were to estimate the acute toxicity of three oils to juvenile crawfish and determine if toxicity was due to poisoning or interference with oxygen transfer across the gills. Juvenile crawfish (Procambarus clarkii) were tested for acute …
Georges De La Tour's Flea-Catcher And The Iconography Of The Flea-Hunt In Seventeenth-Century Baroque Art, Crissy Bergeron
Georges De La Tour's Flea-Catcher And The Iconography Of The Flea-Hunt In Seventeenth-Century Baroque Art, Crissy Bergeron
LSU Master's Theses
This essay performs a comprehensive investigation of the thematic possibilities for Georges de La Tour's Flea-Catcher (1630s-1640s) based on related artworks, religion, and emblematic, literary, and pseudo-scientific texts that may have had a bearing on it. The results of my research are grouped into two categories that embrace the range of interpretations for the work: religion and sexuality. While religious iconography characterizes most of La Tour's extant creations, the hypothetically religious content of his Flea-Catcher is difficult to discern. However, it is possible to analyze the iconography, as well as some of the ancillary motifs found in La Tour's painting, …
Building A Better Mousetrap, Jonathan Pellitteri
Building A Better Mousetrap, Jonathan Pellitteri
LSU Master's Theses
ABSTRACT To me the phrase “building a better mousetrap” implies that a needless change has been made to something that already sufficiently serves its purpose. These words identify my thoughts about how over the past three years I have begun to replace trusted means of communication with newer technologies. My thesis work examines my relationship to these new modes of communication and how, as I see others around me making them useful parts of their lives, I am continually snared by the promise of their convenience. Ultimately, however, they distract and frustrate me with the countless hours I allow them …
Phylogenetic Systematics, Biogeography, And Evolutionary Ecology Of The True Crocodiles (Eusuchia: Crocodylidae: Crocodylus), Jamie Richard Oaks
Phylogenetic Systematics, Biogeography, And Evolutionary Ecology Of The True Crocodiles (Eusuchia: Crocodylidae: Crocodylus), Jamie Richard Oaks
LSU Master's Theses
Modern crocodylian systematics has been dominated by investigations of higher-level relationships aimed at resolving the disparity between morphological and molecular data, especially regarding the true gharial (Gavialis). Consequently, no studies to date have provided adequate resolution of the interspecific relationships within the most broadly distributed, ecologically diverse, and species-rich crocodylian genus, Crocodylus. In this study, Bayesian and ML partitioned phylogenetic analyses were performed on a DNA sequence dataset of 7,282 base pairs representing four mitochondrial regions, nine nuclear loci, and all 23 crocodylian species. The analyses were performed on a suite of partitioning strategies to investigate the modeling effects of …
Low Crude Protein, Amino Acid-Supplemented Diets, And The Glycine Requirement In Low Crude Protein Diets For Broilers, April Marie Waguespack
Low Crude Protein, Amino Acid-Supplemented Diets, And The Glycine Requirement In Low Crude Protein Diets For Broilers, April Marie Waguespack
LSU Master's Theses
The purpose of this research was to determine the optimal level of crystalline amino acid (AA) supplementation that supports maximum growth performance in broilers, and to determine the Gly requirement in broilers. Treatments were replicated with a minimum of 7 pens with 6 broilers per pen. Experiments (Exp.) were conducted from 0- to 18- days (d) post-hatching in brooder batteries. Three Exp. were conducted to determine the maximum level of L-Lys•HCl that could be supplemented to corn-soybean meal (C-SBM) diets without negatively affecting growth performance of broilers. The results of these Exp. indicate that broilers can achieve maximum growth performance …
Somatic Computationalism: Damasio's Clever Error, Christopher D. Pope
Somatic Computationalism: Damasio's Clever Error, Christopher D. Pope
LSU Master's Theses
Neuroscientist Antonio Damasio wrote a book entitled DESCARTES’ ERROR (1994) in order to address popular misconceptions about the mind, particularly those which relate to Cartesian philosophy. One of the author’s major goals for the book is to argue that emotion contributes to reason, that emotion is in fact necessary for rational thought to occur. In order to link emotion to reason, Damasio proposes a theory of mind which explains several mental functions in terms of neurological representations. Consciousness, reason, instinct and emotion all occur because the brain forms representations of the subject’s body and of the world in which the …
Reinventing The Sword: A Cultural Comparison Of The Development Of The Sword In Response To The Advent Of Firearms In Spain And Japan, Charles Edward Ethridge
Reinventing The Sword: A Cultural Comparison Of The Development Of The Sword In Response To The Advent Of Firearms In Spain And Japan, Charles Edward Ethridge
LSU Master's Theses
Swords have been used throughout history as weapons of war, as symbols of power and wealth and as national and religious icons. Unlike other weapons however, the sword did not simply fade into the background as technological improvements caused the martial value to lessen. The primary purpose of this paper is to look at the development of the sword as an object of art, specifically in the countries of Spain and Japan, after the invention of the firearm. A brief history of the development of the sword from the earliest manifestations through the Iron Age is provided as way of …
Effects Of Predator Activity On The Nesting Of American Black Ducks And Other Birds On Barrier Islands In The Mid-Atlantic Coast, Brian Joseph Arquilla
Effects Of Predator Activity On The Nesting Of American Black Ducks And Other Birds On Barrier Islands In The Mid-Atlantic Coast, Brian Joseph Arquilla
LSU Master's Theses
Landscape change throughout North America has resulted in heightened nest predator population and declining avian productivity. Essential to establishing effective management design is an understanding of differential predation pressure among avian groups as group specific responses to predation impact may exist. The objective of this study was to examine the efficacy of predator trapping on the nest success and density of ground nesting avifauna in 2004-2005 in the Virginia Coast Reserve, specifically dabbling ducks, Canada Goose and Willet. Second, we determine the impact of predation on ground nesting birds by relating indices of predator abundance to nest density and nest …
Carprofen Compromises The Integrity And Barrier Function Of The Colonic Mucosa Of The Dog, Catherine Alix Briere
Carprofen Compromises The Integrity And Barrier Function Of The Colonic Mucosa Of The Dog, Catherine Alix Briere
LSU Master's Theses
Effects of carprofen on colon of dog have not been investigated. Objectives 1) Measure conductance and permeability to mannitol of transverse, proximal descending and distal descending colonic mucosa of dog. 2) Measure conductance and permeability to mannitol of colonic mucosa of dog in presence of carprofen. Design In vitro experimental - nested, randomized block design Animals Colonic mucosa from 6 (objective 1) and 7 (objective 2) mature mixed-breed dogs. Methods Objective 1) Control - Three sections of mucosa from each region of colon were mounted in Ussing chamber units. Conductance was calculated every 15 min for 240 min. Flux of …
Fabrication Of Single Walled Carbon Nanotube (Sw-Cnt) Cantilevers For Chemical Sensing, Jui-Ching Hsu
Fabrication Of Single Walled Carbon Nanotube (Sw-Cnt) Cantilevers For Chemical Sensing, Jui-Ching Hsu
LSU Master's Theses
With the discovery of carbon nanotubes (CNTs), many applications have been implemented based on their unique electronic, mechanical, chemical and optoelectronic properties. One area of applications is in gas sensors for detecting, oxygen, flammable and toxic gases. In our work, the focus is on the fabrication of carbon nanotube (CNT) cantilever sensors for integration with CMOS readout chip which offer increased sensitivity. The higher surface-to-bulk ratio enhances the property and performance of the gas sensor by nanocantilevers. In this work, we present the detection method based on the change in capacitance of the single walled carbon nanotube (SWCNT) cantilever. Carbon …
Expectation In Visual Symbolic Processing Of Environmental Symbols In People With Fluent Aphasia, Amanda Stead
Expectation In Visual Symbolic Processing Of Environmental Symbols In People With Fluent Aphasia, Amanda Stead
LSU Master's Theses
The purpose of this study was to examine aspects of visual symbolic processing in those individuals with fluent aphasia, and how it compares to that of their lexical ability. Two groups of participants were examined: a group with fluent aphasia, and a group of non-neurologically damaged controls. Participants were administered four computer based expectation tasks, two of which were symbolic, and two which were lexical. Each task contained a simple and a complex level. Participants were required to determine if the final stimulus, within a set of four, was congruent or incongruent. The measures taken included both reaction time and …
Hurricane Modeling In Gis: An Investigation Of Threshold Storm Events Affecting Special Medical Needs Populations In Coastal Louisiana, Kathryn Emily Streva
Hurricane Modeling In Gis: An Investigation Of Threshold Storm Events Affecting Special Medical Needs Populations In Coastal Louisiana, Kathryn Emily Streva
LSU Master's Theses
Recent hurricane events in coastal Louisiana have emphasized the severe vulnerability of medical special needs (MSN) patients during flood disasters. MSN populations may be comprised of hospital, nursing home or hospice patients; the physically or mentally disabled; medically-dependent individuals requiring life-sustaining equipment or medicines; and frail elderly. Over 150 hospital and nursing home fatalities resulted from Hurricane Katrina in New Orleans. More than four hundred elderly over the age of seventy perished. Chronic diseases and mental health illness were among the top conditions reported in field hospitals, emergency rooms and shelters immediately following the storm. Louisiana MSN facilities and residences …
The Ecology Of Blacktail Redhorse Moxostoma Poecilurum In West Fork Thompson Creek, Louisiana, Jesse Adam Bahm
The Ecology Of Blacktail Redhorse Moxostoma Poecilurum In West Fork Thompson Creek, Louisiana, Jesse Adam Bahm
LSU Master's Theses
This study was designed to examine home range sizes and habitat use of blacktail redhorse Moxostoma poecilurum in West Fork Thompson Creek, Louisiana. Blacktail redhorse are a common non-game species found in Louisiana and other southeastern states. Adult blacktail redhorse (N=40; 187-273 mm total length) were implanted with radio transmitters and tracked twice weekly from February to September 2006 and from February to July 2007. To assess blacktail redhorse diet I analyzed 32 stomachs from fish collected by backpack electrofishing. I also conducted mark-recapture surveys of fish sampled monthly from May 2006 until July 2007. To assess homing ability in …
Protocol Development For Pro-Active Emergency Responses By Veterinary Clinics And Hospitals, Laura Marie Basirico
Protocol Development For Pro-Active Emergency Responses By Veterinary Clinics And Hospitals, Laura Marie Basirico
LSU Master's Theses
The Gulf Coast hurricanes of 2005 necessitated the development of a guidance document concerning emergency preparedness and response for veterinary clinics and hospitals. The aftermaths of the largest natural disasters in United States' history, namely Hurricanes Katrina and Rita, brought to light the need for a protocol designed specifically for veterinarians and veterinary practitioners. Disaster management information was synthesized and modified to be subject-specific for the veterinary community. This synthesis resulted in the creation of the Veterinary Emergency Preparedness and Response (VEPR) manual and website. Two types of data were collected to develop the emergency protocol; interviews with veterinarians and …
Mechanism Of Intraspecific Toxin Inhibition In Aspergillus Flavus, Changwei Huang
Mechanism Of Intraspecific Toxin Inhibition In Aspergillus Flavus, Changwei Huang
LSU Master's Theses
Atoxigenic Aspergillus flavus was demonstrated by others as a promising biocontrol agent to minimize preharvest aflatoxins in susceptible crops. But the mechanism was unclear. A filter insert-well plate system was used to study the mechanism in lab. There was no inhibition when toxigenic A. flavus isolate 53 and inhibitory atoxigenic isolates were separated by 0.4 µm membrane, approximately 50% inhibition occurred when separated by 12 µm membrane, and complete inhibition occurred when a 74 µm membrane was used. This result suggested that touching or close physical interaction is needed for toxin inhibition and the nutrient competition hypothesis was not supported. …
The Portrayal Of Science In Children's Television, Tristi Bercegeay Charpentier
The Portrayal Of Science In Children's Television, Tristi Bercegeay Charpentier
LSU Master's Theses
Scholars argue that a scientifically literate public is a requirement for a democracy. Children are watching television more today than ever before, and studies have shown that children learn academically educational content from television. The Children's Television Act of 1990 requires broadcasters to provide educational and informational content for children. This study qualitatively evaluated a sample of 38 children's television programs to obtain a description of the scientific content contained in children's television. The study yielded a large quantity of scientific content, yet the quality of the content left much to be desired. Based on the findings of this study, …
The Relation Between Episodic Memory And Artificial Grammar Learning, Thomas Earl Watkins, Iii
The Relation Between Episodic Memory And Artificial Grammar Learning, Thomas Earl Watkins, Iii
LSU Master's Theses
Two artificial grammar learning experiments were conducted to study the acquisition of episodic and grammar knowledge with manipulations designed to enhance one or the other type of knowledge. The first experiment trained subjects to recognize specific exemplars (episodic emphasis) or to identify patterns of family resemblance (semantic focus), and then participants were given both an episodic (specific exemplar recognition) and grammar (valid string identification) test. The episodic emphasis training led to better episodic knowledge and equivalent grammar knowledge. The second experiment investigated the same training types over a longer training period and under presence or absence of interference from different …
Playing The Third Man (Midas' Servant, Ceyx, Morpheus As Ceyx, Orpheus, Apollo, A, Philemon) In Mary Zimmerman's Metamorphoses: A Production Thesis, Ronald Ludlow Reeder
Playing The Third Man (Midas' Servant, Ceyx, Morpheus As Ceyx, Orpheus, Apollo, A, Philemon) In Mary Zimmerman's Metamorphoses: A Production Thesis, Ronald Ludlow Reeder
LSU Master's Theses
The role of Third Man in Mary Zimmerman’s Metamorphoses was performed in the Fall of 2006 and elected as a thesis role at that time. This thesis is a written record of the actor’s interpretation of the character. This thesis includes background information on the production, reflections on acting in water, a character analysis, a five column score, reflections on performance issues, and photos.
The Land - A New Topographic Study Of Home, Jacob Croft Botter
The Land - A New Topographic Study Of Home, Jacob Croft Botter
LSU Master's Theses
The photographs in my thesis sit between these two movements, leaning more towards the contemporary ideas that were generated by the New Topographic Movement. On one hand, they are similar to the traditional photographs of the landscape, in the way they depict a place of organic beauty. They present a panorama that serves as a poignant reminder of the natural world that demands our respect and appreciation for what it has to offer. At the same time, this cannon of imagery contains man, or a visual representation of man, and his efforts. My pictures are not an outsider's observation of …
The Agriculturalists Of The Poole-Rose Ossuary: A Study Of The Femora And Tibiae, Melissa L. Moreno
The Agriculturalists Of The Poole-Rose Ossuary: A Study Of The Femora And Tibiae, Melissa L. Moreno
LSU Master's Theses
Dr. Heather McKillop of Louisiana State University was asked by the Alderville First Nation of Ontario in 1990 to excavate the Poole-Rose ossuary in 1990. This mass burial consisted of hundreds of mixed disarticulated and de-fleshed individuals as well as three articulated individuals laid in flexed positions. No artifacts were discovered with the bodies. Due to the absence of stratified soil layers from different periods, McKillop estimated the ossuary occurred during one burial event- “The Feast of the Dead.” Radiocarbon dating found the ossuary to be from A.D. 1550 ± 50 years (McKillop and Jackson 1991). I estimated sex according …
Outside Inside Out: Perspectives On Social Anxiety, Kevin Andrew Hagan
Outside Inside Out: Perspectives On Social Anxiety, Kevin Andrew Hagan
LSU Master's Theses
“Outside Inside Out” is a study of how the visual perspective of an installation design can be used to create interaction, animation, and multiple messages. Traditionally, graphic designers have tended to present their messages either as flat printed materials, such as newspapers and billboards, or as videos/animations on television and the Internet. While both of these mediums provide an adequate means to convey a message, they fall short in presenting information to the audience in a non-obtrusive, interactive form. By using a technique I developed called “Passive Interactivity,” designers can use a viewer’s visual perspective to create interaction, animation, and …
Providing The Best Of Both Worlds: Balancing Conservation And Recreation In A System Of Protected Areas In Texas, Kellen Allison Smith
Providing The Best Of Both Worlds: Balancing Conservation And Recreation In A System Of Protected Areas In Texas, Kellen Allison Smith
LSU Master's Theses
Societies are becoming increasingly urban and isolated from natural areas. Protecting certain natural areas is vital for building and maintaining resilience in ecological systems for the continued conservation of biodiversity and provision of ecological services. The International Union for the Conservation of Nature and Natural Resources (IUCN) promotes the development of systems of protected areas within nations and regions as a sustainable means of preserving the biodiversity within natural areas. Allowing sustainable ecotourism and wildlife-based recreation activities in protected areas can provide economic incentives to surrounding communities making protection an attractive alternative to more extractive forms of land use. Managing …
Development Of A Biomass Transducer For Automated Microalgal Bioreactors, Amar Shivaram Hegde
Development Of A Biomass Transducer For Automated Microalgal Bioreactors, Amar Shivaram Hegde
LSU Master's Theses
A highly sensitive miniaturized biomass transducer is necessary for continuous and reliable monitoring of the microalgal biomass in a computer controlled, automated microalgal bioreactor. Previous known methods to determine microalgal biomass applicable in these bioreactors are based on single wavelength turbidimetric or fluorescence. The objectives of this research were to (1) determine the light absorption characteristics of some commercially applicable microalgae in the electromagnetic wavelength range of 200-800 nm (2) design and construct a new miniaturized biomass transducer (3) process the transducer output to correlate with the biomass. Wavelength sensitivity analysis was conducted on the commercially important microalgal species - …