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Articles 1 - 30 of 60
Full-Text Articles in Life Sciences
Purification And Thermodynamic Analysis Of The Stability Of Hiv-1 Reverse Transcriptase In The Presence Of Efavirenz, Chantal A. Sanmiguel
Purification And Thermodynamic Analysis Of The Stability Of Hiv-1 Reverse Transcriptase In The Presence Of Efavirenz, Chantal A. Sanmiguel
Honors Theses
No abstract provided.
Conservation Genetics Of Boelen‟S Python (Morelia Boeleni) From New Guinea: Reduced Genetic Diversity And Divergence Of Captive And Wild Animals, Joshua Lee Jordan
Conservation Genetics Of Boelen‟S Python (Morelia Boeleni) From New Guinea: Reduced Genetic Diversity And Divergence Of Captive And Wild Animals, Joshua Lee Jordan
Honors Theses
No abstract provided.
Oxidative Stress Induced Hu Protein Expression In Deinococcus Radiodurans, Cara Bevinetto
Oxidative Stress Induced Hu Protein Expression In Deinococcus Radiodurans, Cara Bevinetto
Honors Theses
No abstract provided.
Rescuing Minute-Like Phenotypes Due To Rnai-Mediated Knockdown Of Nopp140 By Deletion Of P53 In Drosophila Melanogaster, Renford Cindass Jr
Rescuing Minute-Like Phenotypes Due To Rnai-Mediated Knockdown Of Nopp140 By Deletion Of P53 In Drosophila Melanogaster, Renford Cindass Jr
Honors Theses
No abstract provided.
Adhesion Of Jurkat Cells In Defined Media And Substrates, Sarah De Leo
Adhesion Of Jurkat Cells In Defined Media And Substrates, Sarah De Leo
Honors Theses
No abstract provided.
Cytokine Production During Microsporidia Infection Of Macrophages, Anne Louise Hotard
Cytokine Production During Microsporidia Infection Of Macrophages, Anne Louise Hotard
Honors Theses
No abstract provided.
Cytokine Production During Microsporidia Infection Of Macrophages, Anne Hotard
Cytokine Production During Microsporidia Infection Of Macrophages, Anne Hotard
Honors Theses
No abstract provided.
Hydration Changes Of Dna Binding By Klentaq And Klenow Measured By Osmotic Stress, John Tod Baker
Hydration Changes Of Dna Binding By Klentaq And Klenow Measured By Osmotic Stress, John Tod Baker
Honors Theses
No abstract provided.
Characterization Of The Catalytic Mechanism Of The Carboxyltransferase Component Of Escherichia Coli Acetyl-Coa Carboxylase Leading To Rational Inhibitor Identification And The Development Of Enzymatic Mimics, Nabil K. Thalji
Honors Theses
No abstract provided.
Effects On Hatchability Due To Pre-Incubation Warming Of End Of Lay Broiler Breeder Eggs, William Andrew Greenwald
Effects On Hatchability Due To Pre-Incubation Warming Of End Of Lay Broiler Breeder Eggs, William Andrew Greenwald
Honors Theses
No abstract provided.
Functional Morphology Of The Superficial Branchial Musculature Of The Dogfish Shark, Squalus Acanthias, Roy Andermann
Functional Morphology Of The Superficial Branchial Musculature Of The Dogfish Shark, Squalus Acanthias, Roy Andermann
Honors Theses
No abstract provided.
Investigation Of Protozoan Epibionts On Deep-Sea Nematodes, Alicia Leigh Gabriele
Investigation Of Protozoan Epibionts On Deep-Sea Nematodes, Alicia Leigh Gabriele
Honors Theses
No abstract provided.
Food Entrainment Of Circadian Gene Expression Altered In Pparα-/- Brown Fat And Heart, Brian Chun Kim Goh
Food Entrainment Of Circadian Gene Expression Altered In Pparα-/- Brown Fat And Heart, Brian Chun Kim Goh
Honors Theses
No abstract provided.
Altering Sweet Potato Starch Functionality By Amino Acids And Ph Treatments, Jonathan Futch
Altering Sweet Potato Starch Functionality By Amino Acids And Ph Treatments, Jonathan Futch
LSU Master's Theses
The sweet potato is a vegetable containing high levels of different vitamins and minerals, needed to protect the body against disease. This study focused on starch found in the Beauregard and Evangeline sweet potatoes and observed the effect of pH and amino acid additives altering the functionality of starch. These modifications of the Beauregard and Evangeline sweet potato starches will also be done to determine if an increase in resistant starch and slowly digestible starch is found. Beauregard and Evangeline starches had similar gelatinization temperature and the two starches required the same amount of energy to gelatinize. In Freeze-dried Beauregard …
Categorization And Indentification Of Mechanisms Of Sugarcane Resistance To The Sugarcane Aphid (Hemiptera: Aphididae), Waseem Akbar
Categorization And Indentification Of Mechanisms Of Sugarcane Resistance To The Sugarcane Aphid (Hemiptera: Aphididae), Waseem Akbar
LSU Doctoral Dissertations
Sugarcane in Louisiana is colonized and sometimes heavily infested by two aphid species, the sugarcane aphid, Melanaphis sacchari (Zehntner), and the yellow sugarcane aphid,Sipha flava(Forbes). Melanaphis sacchari, the main vector of sugarcane yellow leaf virus, is distributed throughout Louisiana’s sugarcane-growing regions. Five cultivars representing 90% of the commercial acreage in Louisiana (LCP 85-384, HoCP 91-555, Ho 95-988, HoCP 96-540,L 97-128) were evaluated for resistance to aphids in the greenhouse. Antibiosis was the primary category of resistance to both aphid species. Based on the intrinsic rate of natural increase, L 97-128 and HoCP 91-555 were comparatively susceptible and resistant cultivars, respectively. …
Pulsed Electric Field Influences On Acid Tolerance, Bile Tolerance, Protease Activity And Growth Characteristics Of Lactobacillus Acidophilus La-K, Olga Antonina Cueva
Pulsed Electric Field Influences On Acid Tolerance, Bile Tolerance, Protease Activity And Growth Characteristics Of Lactobacillus Acidophilus La-K, Olga Antonina Cueva
LSU Master's Theses
Pulsed electric field processing represents a promising non-thermal technology which involves the application of pulses of high voltage (20-80 kV/cm) for less than one second to fluid foods placed between two electrodes. During the application of certain PEF conditions microbial inactivation occurs by causing a pore formation and destruction of the cell membranes. Lactobacillus acidophilus is an important probiotic bacterium used for the production of fermented dairy products. The objective of this study was to study the influence of pulsed electric field (PEF) on the growth characteristics, bile tolerance, acid tolerance, and protease activity of Lactobacillus acidophilus LA-K. Freshly thawed …
Effect Of Rotational Or Continuous Stocking Method Of Winter Pasture On Beef Heifer Performance, David G. Skeans
Effect Of Rotational Or Continuous Stocking Method Of Winter Pasture On Beef Heifer Performance, David G. Skeans
LSU Master's Theses
Considerable research has been conducted comparing the effect of continuous and some form of rotational stocking method on animal and forage performance, but most research utilizes put-and-take stocking rates. The purpose of this research was to determine the effect of 12-paddock rotational stocking method (ROT) or continuous stocking method (CONT) of winter wheat (Triticum aestivum) and annual ryegrass (Lolium multiflorum) pastures on beef heifer and forage performance while maintaining a continuous stocking rate of 3.7 heifers/ha. Two experiments were conducted and analyzed separately due to confounding year and location. Heifer ADG and WG/ha tended to be increased by ROT compared …
Isoflavone Distribution In Soy Seed And Antioxidant Activity Of Defatted Soy Flour Extract, Xiaohua Yue
Isoflavone Distribution In Soy Seed And Antioxidant Activity Of Defatted Soy Flour Extract, Xiaohua Yue
LSU Doctoral Dissertations
Soy isoflavones distribution in soy cotelydon, coat and germ were determined. The ƒÀ-Glucoside form of isoflavones was the major class of isoflavones in all three soy parts. Soy germ was the richest source of the isoflavones among the three soybean parts. Distribution of the isoflavones in soy cotyledon was different from that in soy coat or germ. As defatted soy flour is a main byproduct in the soy oil refining process, utilizing the low value byproduct as a valuable food antioxidant was investigated in this study. The level of isoflavones in the defatted soy flour extract was 55 mg/g, which …
Essays On Environmental Issues Associated With The Diary Production Region In Louisiana, Larry Michael Hall
Essays On Environmental Issues Associated With The Diary Production Region In Louisiana, Larry Michael Hall
LSU Doctoral Dissertations
The Louisiana dairy production region (LDPR) is located in southeast Louisiana and includes five parishes (Tangipahoa, Washington, Livingston, St. Helena, and St. Tammany). It is home to approximately 90% of the state’s dairy industry and is a major contributor to nonpoint source pollution (NPS) in the area’s watershed through nitrogen, phosphorus, and sediment effluents. While point source (PS) effluents are easily identified and subject to federal and state regulations, NPS mitigation efforts must address uncertainties such as location of the NPS as well as stochastic parameters such as rainfall and its effect on nutrient and sediment flow. This dissertation presents …
Remittances, Foreign Direct Investment And Economic Growth In Latin America And The Caribbean, Pablo Antonio Garcia-Fuentes
Remittances, Foreign Direct Investment And Economic Growth In Latin America And The Caribbean, Pablo Antonio Garcia-Fuentes
LSU Doctoral Dissertations
Some of the literature about foreign direct investment (FDI) analyzes the location of FDI. It tries to identify the factors that affect FDI flows. On the association between remittances and growth, this is still an open discussion. This journal style dissertation is an attempt to investigate about the associations between remittances and FDI and growth in Latin America and the Caribbean (LAC). The first paper investigates the effect of remittances on U.S. FDI outflows to LAC. It uses data on 14 LAC countries for the period 1983-2003. The results show that market size is one of the main determinants of …
Comparisons Of Physicochemical Properties Of Watermelon Juice Treated With Pulsed Electric Fields And Thermal Pasteurization, Lauren Nicole Cook
Comparisons Of Physicochemical Properties Of Watermelon Juice Treated With Pulsed Electric Fields And Thermal Pasteurization, Lauren Nicole Cook
LSU Master's Theses
Pulsed electric field (PEF) treatment is a non-thermal and alternative pasteurization treatment for fruit juices. PEF applies short pulses of electricity to a liquid food sample which inactivates microorganisms and enzymes. Thermal pasteurization is commonly used to pasteurize juice in the fruit juice industry but the process tends to deteriorate color, nutrients, and overall juice appearance. The overall goal of this study was to determine the effects of PEF treatment (30 kv/cm for 57 ìs in bipolar 2 ìs pulses at 22°C) on color, lycopene content, vitamin C content, pH, °Brix, and microbial count when compared with the effects of …
Survivorship, Tunneling And Feeding Behaviors Of Formosan Subterranean Termite (Isoptera: Rhinotermitidae) In Response To Trans-Caryophyllene, Qiaoling Qi
LSU Master's Theses
The Formosan subterranean termite, Coptotermes formosanus Shiraki, an invasive species from southern China, is one of the most destructive wood pests in the United States. Presently, termites are managed through chemical control. However, some synthetic chemicals cause serious environmental problems due to their persistence and toxicity. There is growing interest in using natural compounds with low toxicity to mammals to control termites. Trans-caryophyllene is a component of essential oil found in many flowering plants. It is especially abundant in clove oil. It has also been found to be released from the roots of maize damaged by insects. I investigated caryophyllene …
Determining Gene Copy Number In Transfected Caprine Fibroblast Cells, Jessica A. Wilson
Determining Gene Copy Number In Transfected Caprine Fibroblast Cells, Jessica A. Wilson
LSU Master's Theses
Transgene expression in stably transgenic organisms is affected by many factors, including the copy number of the transgene in the genome, and by interactions between the transgene and flanking DNA sequences. Transgene copy number has also been shown to effect genetic stability in transgenic plants. Two commonly used methods for transfecting cells are liposome mediated transfection and electroporation. Little is known about the mean transgene copy number or variability of the copy number with these techniques. Quantitative PCR (Q-PCR) has been shown to be an effective method for determining transgene copy number. The objective of this study was to determine …
The Isolation And Characterization Of Bovine Adult Derived Adipose Stem Cells For The Use In Nuclear Transfer, Alicia A. Picou
The Isolation And Characterization Of Bovine Adult Derived Adipose Stem Cells For The Use In Nuclear Transfer, Alicia A. Picou
LSU Master's Theses
Since the cloning of Dolly there has been little change in the efficiency of nuclear transfer (NT). Research is beginning to investigate the characteristics of donor cells. Adiposetissue is an abundant source of adult-derived cells that have displayed “stemness” in-vitro(Gimble et al., 2003). The overall goal of this research was to define the in-vitro characteristicsof bovine adipose-derived adult stem cells (ADAS) for the use in NT. Isolation methods weredetermined by a 3 x 3 factorial design. 1 g of subcutaneous fat was collected and subjected to0.10%, 0.25% or 0.50% collagenase type I solution for 1, 2 and 3 h. Nucleated …
Dose Titration Of Sericea Lespedeza Leaf Meal On Haemonchus Contortus Infection In Crossbred Lambs, Dana Alicia Pollard
Dose Titration Of Sericea Lespedeza Leaf Meal On Haemonchus Contortus Infection In Crossbred Lambs, Dana Alicia Pollard
LSU Master's Theses
Gastrointestinal nematode (GIN) parasitism is a problem for small ruminant producers. Haemonchus contortus is the most detrimental because of substantial economic losses. Over the past decades, chemical anthelmintics have been used to control GINs. Recently, GINs have developed resistance to most anthelmintics, and now reliance on anthelmintics is not possible. Alternative control methods are needed. Also, the use of fewer chemicals in agricultural products has called for alternative methods to be less synthetic and more organic. One promising alternative method is the feeding of condensed tannin (CT) containing forages as either fresh forage or dried products such as hay, ground …
The Interactive Effects Of Phosporus And Calcium On Phosphorus Requirement, Utilization, And Phytase Efficacy In Poultry, Syrena Powell
The Interactive Effects Of Phosporus And Calcium On Phosphorus Requirement, Utilization, And Phytase Efficacy In Poultry, Syrena Powell
LSU Doctoral Dissertations
This research was conducted with broilers to investigate the interactive effects of P and Ca on P requirement, digestibility, utilization, and phytase efficacy. Each treatment had a minimum of 6 replications. One experiment with 3 trials was conducted to identify the nonphytate P (nPP) requirement of 0 to 14 d old broilers. The nPP levels fed ranged from 0.30 to 0.60% with a Ca:nPP of 2.22:1 or 1.9:1. Requirement estimates for 0 to 14 d ranged from 0.52 to 0.60% nPP. One experiment with 2 trials was conducted to identify the nPP requirement of 14 to 28 d old broilers. …
Identification Of Falls Risk Factors In Community-Dwelling Older Adults: Validation Of The Comprehensive Falls Risk Screening Instrument, Jennifer Marie Fabre
Identification Of Falls Risk Factors In Community-Dwelling Older Adults: Validation Of The Comprehensive Falls Risk Screening Instrument, Jennifer Marie Fabre
LSU Doctoral Dissertations
Identifying risk factors and those at risk for falls is necessary. The first purpose of the dissertation was to validate the Comprehensive Falls Risk Screening Instrument (CFRSI) that weights falls risk factors and includes the subscale scores of history, physical, vision, medication, and environment, and a total falls risk score. The CFRSI total falls risk score was compared to subscale scores, physical activity, physical function, health-related quality of life (HRQL), and history of falls (Study 1). The second purpose of the dissertation was to determine associations between the CFRSI total falls risk score, race, education, and income (Study 2). Data …
Three Essays On Environmental Issues Associated With Broiler Production In Louisiana, Nirmala Adhikari Devkota
Three Essays On Environmental Issues Associated With Broiler Production In Louisiana, Nirmala Adhikari Devkota
LSU Doctoral Dissertations
The increasing trends of integrated and concentrated broiler production results in a serious threat to environment through excessive litter production and lack of its proper disposal. Production concentration in limited area is a major source of surface as well as ground water pollution. Nonpoint source pollution from broiler litter applied on land remains a major concern in Louisiana and elsewhere in Southeastern USA. This study examines alternative approaches to reduce pollution originating from broiler production. First, I evaluate why some producers adopt BMP faster than others and what kind of factors affect the time to adoption decision. The duration model …
Characterization Of Porcine Adipose Tissue-Derived Stem Cells, Kellie J. Williams
Characterization Of Porcine Adipose Tissue-Derived Stem Cells, Kellie J. Williams
LSU Doctoral Dissertations
Nuclear transfer (NT) results in low success rates and research has reported problems with the welfare of cloned animals produced. Evidence suggests the use of a less differentiated donor cell, such as a stem cell, may lead to an increase in the efficiency of the NT procedure. Stem cell characteristics must be clearly defined in order to isolate, identify and optimally culture potential donor cells. Stem cell characteristics such as self-renewal and differentiation have not been identified in stem cells from porcine adipose tissue, an easily attainable tissue resource. The phenotypic profile of cell surface proteins and chromosomal stability of …
An Evaluation Of Endurance And Combined Endurance And Resistance Training On Fitness And C-Reactive Protein, Laura A. Daray
An Evaluation Of Endurance And Combined Endurance And Resistance Training On Fitness And C-Reactive Protein, Laura A. Daray
LSU Master's Theses
PURPOSE: This study was designed to determine whether endurance or endurance + resistance training would influence circulating C-reactive protein (CRP) levels and if these changes are related to alterations in aerobic fitness and/or body composition. METHODS: Fifty eight healthy young adults aged 18-24 yrs (78% female) were assigned to one of three groups: 1) endurance training (E) (n=18), 2) endurance + resistance training (ER) (n=11), or 3) active control (AC) (n=29). The E group completed 15 weeks of endurance training for either a half marathon (n=6) or full marathon (n=12). The ER group performed 15 weeks of periodized resistance training …