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Comparing Bermudagrass And Bahiagrass Cultivars At Different Stages Of Harvest For Dry Matter Yield And Nutrient Content, Ryan Thomas Dore'
Comparing Bermudagrass And Bahiagrass Cultivars At Different Stages Of Harvest For Dry Matter Yield And Nutrient Content, Ryan Thomas Dore'
LSU Master's Theses
Rapid growth of warm-season grasses such as bermudagrass (Cynodon dactylon) and bahiagrass (Paspalum notatum) is associated with a decline in their nutritional value. This study was initiated to provide production and composition data with different cultivars of bermudagrass (common, Russell, Jiggs) and bahiagrass (Tifton-9, Pensacola, Argentina). Dry matter (DM), ash, crude protein (CP), neutral detergent fiber (NDF), and acid detergent fiber (ADF) composition and production were evaluated every two weeks for a ten-week period on six different cultivars. Also, Russell bermudagrass was evaluated in a second trial very similar to the first trial for composition and production but was started …
Validity Of The Yale Physical Activity Survey For Older Adults, Angela Nickole Solomito Pugh
Validity Of The Yale Physical Activity Survey For Older Adults, Angela Nickole Solomito Pugh
LSU Master's Theses
The purpose of this study is to determine the validity of the Yale Physical Activity Survey (YPAS) in a population of oldest-old adults residing in Southeastern Louisiana. Methods: Participants were older adults (n=273) in two distinct age groups; 60-81 years of age (YOUNG-OLD) AND 29-103 years of age (OLDEST-OLD). YPAS estimates of physical activity will be compared to physical function as measured by the continuous scale physical function performance test. Results: The OLDEST-OLD demonstrated lower physical function scores and reported less physical activity (and more time sitting) in comparison to the YOUNG-OLD. The correlation between Total Time Summary Index and …
Color And Tenderness In Chilled Or Frozen Pork Loin Chops After Antioxident Dipping And Modified Atmosphere Packaging, Dennis Michael Price
Color And Tenderness In Chilled Or Frozen Pork Loin Chops After Antioxident Dipping And Modified Atmosphere Packaging, Dennis Michael Price
LSU Master's Theses
The objective of this research was to evaluate color and tenderness in chilled or frozen pork loin chops after antioxidant dipping and modified atmosphere packaging. Loin chops were dipped in 0.3 M calcium chloride, 2.0 % sodium ascorbate, 0.2 M calcium ascorbate, or 0.3 M calcium ascorbate. Non-dipped chops served as controls. Chops were packaged in high oxygen (80% O2 / 20% CO2) or no oxygen (80% N2 / 20% CO2) and stored chilled (4° C) for 7 days or frozen (-18° C) for 21 days. After storage, chops were displayed under continuous fluorescent lighting for 3 or 6 days. …
Evaluation On Antioxidant Activities Of The Soybean Oils And Gums, Xianglong Yuan
Evaluation On Antioxidant Activities Of The Soybean Oils And Gums, Xianglong Yuan
LSU Master's Theses
In this study crude soy oil was extracted from the soy flour by hexane solvent. The crude oil was refined using a refining procedure similar to the one in edible oil industries, which included degumming, neutralizing, and bleaching. As the result, the eight groups of the oils and the gums were obtained. The compositions of fatty acids and tocopherols in the eight groups of samples were analyzed using GC-FID and HPLC, respectively. The antioxidant activities of the samples were analyzed by two chemical models, cholesterol and DHA. The results showed that ã- and ä-tocopherols may not be the main antioxidants …
Trade Creation And Trade Diversion Effects In The Eu-South Africa Free Trade Agreement, Gregory Emeka Kwentua
Trade Creation And Trade Diversion Effects In The Eu-South Africa Free Trade Agreement, Gregory Emeka Kwentua
LSU Master's Theses
This study examines trade creation and trade diversion effects in the EUSAFTA using the standard gravity model of bilateral trade flows. The estimation of the gravity equation was carried out using the OLS analysis. In order to ascertain the overall trade creation and trade diversion effects explanatory variables such as GDP, distance and dummy variables were incorporated into the estimation equation to explain bilateral trade flows and exports respectively. The main focus was on the estimation of trade creation and trade diversion effects, resulting from participation in selected regional and preferential trade agreements like EU, COMESA, SACU and EUSAFTA. Additionally, …
Phenolic Compounds And Antioxidant Activity Of Oat Bran By Various Extraction Methods, Darryl Lourey Holliday
Phenolic Compounds And Antioxidant Activity Of Oat Bran By Various Extraction Methods, Darryl Lourey Holliday
LSU Master's Theses
Recent studies have suggested that the health promoting capabilities of oats are due to its antioxidants (tocopherols, tocotrienols, and sterols) found within the bran along with phenolic compounds, such as avenanthramides, p-hydroxybenoic acid and vanillic acid. Long-chain fatty acid oxidation is directly responsible for most off-flavors in food. Since oat bran is a good source of antioxidants, a concentrated extract could be used as a natural preservative, for foods rich in unsaturated long-chain fatty acids. Three methods, traditional solvent (TSE), microwave-assisted solvent (MAS), and supercritical fluid treatment (SFT), were used to obtain the extracts. One extraction temperature in TSE, 60°C, …
Analysis Of Consumer Attitudes And Their Willingness To Pay For Functional Foods, Cate Nakaweesa Munene
Analysis Of Consumer Attitudes And Their Willingness To Pay For Functional Foods, Cate Nakaweesa Munene
LSU Master's Theses
Survey data collected from randomly selected participants within the four geographical regions of the U.S. were used to evaluate consumer attitudes towards functional foods and determine their willingness to pay for these foods. Contingent valuation using the payment card method was used to elicit premiums that consumers are willing to pay for a spread that maintains a healthy heart (spread A), a spread that is proven to significantly reduce cholesterol (spread B) and a loaf of bread that may reduce the risk of heart disease and certain cancers (bread A). Ordered probit regression analysis was used to evaluate the effect …
Understanding Parents' Decisions About Serving Vegetables To Their Children, Alissa Villarrubia
Understanding Parents' Decisions About Serving Vegetables To Their Children, Alissa Villarrubia
LSU Master's Theses
With the increasing rate of childhood obesity it is important to examine obesity prevention programs and strategies. The theory of planned behavior (TPB) has been identified as a successful framework to examine and understand human behavior and obesity prevention research. However, there is limited support for the TPB regarding its use and efficacy for understanding parents’ influence on the health behavior of their children. The purpose of this study was to: (a) describe the most common behavioral, normative, and control beliefs of parents’ serving vegetables to their children; (b) examine the social cognitive correlates of parents’ intentions to serve vegetables …
Exchange Rate Effects On Bilateral Agricultural Trade Analysis On The Dr-Cafta, Jennifer Eileen Bocock
Exchange Rate Effects On Bilateral Agricultural Trade Analysis On The Dr-Cafta, Jennifer Eileen Bocock
LSU Master's Theses
Economic theory states that the exchange rates influences movements in agricultural prices and are in an important determinant of the agricultural sector trade. This paper reviewed the theory and economic models under which exchange rate fluctuations create shifts in the excess supply and demand between countries in the international market along with a history of relations between the United States and the DR-CAFTA region. The theory is econometrically tested through the OLS method to examine to what extent the real exchange rates between the United States and less developed countries were constant with accepted theory. The agricultural trade movements were …
Determination Of Antioxidant Capacity In Corn Germ, Wheat Germ And Wheat Bran Using Solvent And Microwave-Assisted Solvent Extraction, David Swenson Oufnac
Determination Of Antioxidant Capacity In Corn Germ, Wheat Germ And Wheat Bran Using Solvent And Microwave-Assisted Solvent Extraction, David Swenson Oufnac
LSU Master's Theses
ABSTRACT Solvent extraction methods are widely used for extracting antioxidant in foods and other sources. In this study, Traditional Solvent Extraction (TSE) and Microwave-Assisted Solvent Extraction (MASE) were utilized to determine the content of antioxidants in corn germ, wheat bran and wheat germ. Corn germ, wheat bran and wheat germ all contain different levels of antioxidants; TSE and MASE were utilized to determine the content of antioxidants in these three samples. TSE was performed at 60 ¨¬C employing three solvents, acetone, hexane and methanol. MASE was performed using the solvent methanol at four different temperatures, 60, 80, 100 and 120 …
Sensory Characteristics Of Salt Substitute Containing L-Arginine, Pamarin Waimaleongora-Ek
Sensory Characteristics Of Salt Substitute Containing L-Arginine, Pamarin Waimaleongora-Ek
LSU Master's Theses
Dietary salt restriction is a common approach recommended by physicians in the treatment and prevention of hypertension. Salt substitute is a potential alternative. The most popular salt substitute is KCl, having similar physical properties to NaCl. Because of the higher molecular weight of cations (K+), KCl imparts undesired bitterness and metallic aftertaste. L-arginine has been found to have the bitterness-suppression property. Therefore, it may be used in the mixture of salt substitutes. In the first study, NaCl and four salt substitute solutions consisting of KCl, NaCl, and L-arginine, were developed at 0.5%, 1%, and 1.5% w/v. A discriminative test was …
Agrobacterium Tumefaciens-Mediated Transformation Of Tobacco (Nicotiana Tabacum L.) Leaf Disks: Evaluation Of The Co-Cultivation Conditions To Increase Beta-Glucuronidase Gene Activity, Sunjung Park
LSU Master's Theses
Agrobacterium tumefaciens-mediated transformation is generally used for genetic transformation of higher plants. Several experimental factors important for the increase of beta-glucuronidase (GUS) reporter gene activity were evaluated in this study using leaf disks of tobacco (Nicotiana tabacum L. cv. Xanthi). We found that co-cultivation temperature at 20C is the most critical factor to obtain the reproducible enhancement of GUS activity. pCAMBIA 1305.01 resulted in higher GUS activity than the other two pCAMBIA vectors 1301 and 1305.02. The highest GUS activity and transformation efficiency were achieved under the following experimental conditions: Agrobacterium tumefaciens strain LBA4404 containing pCAMBIA1305.01 was grown overnight at …
Control Of Listeria Species And Other Bacteria In Crawfish And Crab Processing Facilities, Utilizing Copper Drains, Coatings And Concrete, Containing Copper Ions, Artem S. Rogovskyy
Control Of Listeria Species And Other Bacteria In Crawfish And Crab Processing Facilities, Utilizing Copper Drains, Coatings And Concrete, Containing Copper Ions, Artem S. Rogovskyy
LSU Master's Theses
The antibacterial properties of copper ions against Listeria spp., Pseudomonas spp., Escherichia coli and other coliforms, and total aerobic bacteria have been investigated in seafood processing environments. Our hypothesis was that drains fabricated from copper and coatings and concrete containing copper ions that have been used for sealing floors and walls could be utilized in crawfish and crab processing facilities as an effective means of controlling Listeria spp. and other unwanted bacteria. Copper in the form of copper sulfate pentahydrate was incorporated into coatings and concrete at the salt concentration of 25 ppm (6.36 ppm Cu++). Sampling sites were selected …
A Comparative Study Of Household Demand For Meats By U.S. Hispanics, Carlos Ignacio Garcia
A Comparative Study Of Household Demand For Meats By U.S. Hispanics, Carlos Ignacio Garcia
LSU Master's Theses
The general objective of this research project was to study the consumption behavior of U.S. Hispanics for meat products. A comprehensive review of literature on the studies of U.S. Hispanic consumers was performed by means of a systematic survey; different sources of information useful in studying Hispanic consumers were documented. The simultaneous increase in population and income of Hispanics in the United States is attractive to food companies, and makes more relevant the study of their consumer behavior patterns for discovering future market opportunities. Censored incomplete demand systems of the LinQuad form were used for recognizing the consumption patterns by …
Effect Of Light Intensity And Weld Thickness On The Performance Of Uv-Cured Frp Composite Joints, Jerry Alan Peck
Effect Of Light Intensity And Weld Thickness On The Performance Of Uv-Cured Frp Composite Joints, Jerry Alan Peck
LSU Master's Theses
Thirty-six FRP composite welds were wetted with UV curing vinyl ester resin and used to join fiberglass tubes. The effects of UV light intensity and weld thickness on performance (as measured by bursting pressure and stiffness) were evaluated to determine optimal conditions for joint construction. The joined composite pipes were cured vertically with UV lamps at three different light intensities, 80 mW/cm2, 35 mW/cm2 and 15 mW/cm2 to isolate the effect of UV light intensity. Eight-layer, five-layer and three-layer joints were prepared and cured at constant light intensity to evaluate the effect of reducing the thickness of the composite joint. …
Depolymerization And Decolorization Of Chitosan By Ozone Treatment, Seung-Wook Seo
Depolymerization And Decolorization Of Chitosan By Ozone Treatment, Seung-Wook Seo
LSU Master's Theses
Currently, depolymerization and decolorization of chitosan are achieved by chemical or enzymatic methods which are time consuming and expensive. Ozone has been shown to be able to degrade macromolecules and remove pigments due to its high oxidation potential. In this study, the effects of ozone treatment on depolymerization and decolorization of chitosan were investigated. Crawfish chitosan was ozonated in water and acetic acid solution for 0, 5, 10, 15, and 20 minutes at room temperature with 12wt% gas. For the determination of viscosity–average Molecular weight of chitosan, an ubbelohde viscometer was used to measure the intrinsic viscosity, and the Mark-Houwink …
Antimicrobial Activity Of Cpc And Asc Against Foodborne Pathogens And The Physiological Effect On Fresh-Cut Cantaloupe Cubes At Refrigerator Temperatures, Allison Marie Dumas
Antimicrobial Activity Of Cpc And Asc Against Foodborne Pathogens And The Physiological Effect On Fresh-Cut Cantaloupe Cubes At Refrigerator Temperatures, Allison Marie Dumas
LSU Master's Theses
In the last few decades, fresh-cut fruit products have gained popularity with consumers. They require little to no further processing prior to consumption. Fresh-cut products also make fruits and vegetables more conveniently available to consumers year-round. There are limitations, however, to fresh-cut fruit and vegetables in the marketplace. These products are very perishable and could become contaminated with foodborne pathogens. Most fresh-cut fruits and vegetables will only last a short period of time at refrigerator temperatures. There are many possible routes of bacterial contamination in the fresh-cut produce industry. There is a need for antimicrobial compounds that can be applied …
Quality Characterization Of Cholesterol-Free Mayonnaise-Type Spreads Containing Rice Bran Oil, Karen Melissa Garcia
Quality Characterization Of Cholesterol-Free Mayonnaise-Type Spreads Containing Rice Bran Oil, Karen Melissa Garcia
LSU Master's Theses
Traditional mayonnaise is manufactured with soybean oil (SBO) and egg-yolk containing ingredients. About 1/4 of American consumers have some forms of cardiovascular disease, accounting for >40% of all deaths in USA. Rice bran oil (RBO), a healthy lipid source, has cholesterol-lowering effects, and could be used to replace SBO in mayonnaise preparation. To take advantage of the health benefits associated with RBO, food products containing RBO need to be developed and characterized. Cholesterol-free mayonnaise-type spreads containing RBO were developed using a constrained mixture design. Two studies were performed to determine sensory attributes driving acceptance and purchase intent and to optimize …
Awareness Of The Environmental Quality Incentives Program And Subsequent Adoption Of Best Management Practices By Cattle Farmers In Louisiana, Joyce Mamle Obubuafo
Awareness Of The Environmental Quality Incentives Program And Subsequent Adoption Of Best Management Practices By Cattle Farmers In Louisiana, Joyce Mamle Obubuafo
LSU Master's Theses
In recent years, the US livestock industries have undergone structural changes that have led to larger livestock operations with their associated environmental problems. Louisiana is within one of the major cow-calf production areas in the US (the Southeast). Louisiana accounts for about 1.72% of the total US cattle operations. In an attempt to control degradation of the environment, conservation programs have been put in place, one of which is the Environmental Quality Incentives Program (EQIP). The EQIP was established in the 1996 Farm Bill, involving the payment of government subsidies to landowners willing to implement specific cost-intensive conservation practices. The …
Strain To Strain Differences In The Growth, Survival And Adaptation Of Vibrio Vulnificus And Vibrio Parahaemolyticus In Broth, Veronica Elaine Burnham
Strain To Strain Differences In The Growth, Survival And Adaptation Of Vibrio Vulnificus And Vibrio Parahaemolyticus In Broth, Veronica Elaine Burnham
LSU Master's Theses
Vibrio vulnificus and Vibrio parahaemolyticus are natural inhabitants of estuarine environments of the Gulf of Mexico. V. vulnificus is the leading cause of death, while V. parahaemolyticus is a leading cause of foodborne gastroenteritis from the consumption of seafood in the United States. Refrigeration is commonly used as a preservation method to control the growth of microorganisms in food. The ability of some microorganisms to adapt, as a survival response when exposed to a downshift in temperature, could compromised efforts to use low temperature storage to reduce the risk of foodborne illnesses. Limited research is available on the growth characteristics …
Examination Of Blood Flow Using Vasoconstrictor And Vasodilator Stimuli: Stability And Reproducibility, Robert B. Lestage
Examination Of Blood Flow Using Vasoconstrictor And Vasodilator Stimuli: Stability And Reproducibility, Robert B. Lestage
LSU Master's Theses
Blood flow distribution relies on the vasculature’s ability to vasodilate and vasoconstrict throughout the body. Most previous research has focused on only one of these abilities, either vasodilation or vasoconstriction. For example, Thijssen et al. (2005) focused their research on vasodilation by studying reactive hyperemia, while Kinuyoshi et al. (2003) studied the possible vasoconstriction effect with increasing muscle sympathetic nerve activity. The purpose of this study was to assess vascular function using a variety of stimuli to potentially learn more about overall vascular health, while determining the stability and reliability of blood flow measurements using strain gauge plethysmography. Measures of …
Analysis Of U.S. Aquacultural Producer Preferences For Genetic Improvement And Cryopreservation, Brian Paul Boever
Analysis Of U.S. Aquacultural Producer Preferences For Genetic Improvement And Cryopreservation, Brian Paul Boever
LSU Master's Theses
Aquaculture industries in the U.S. generate $1 billion in farm-level sales. Genetic improvement of fish stocks may be a way to increase the market share of aquaculture within the U.S. seafood market as well as the market share within the world market. This study evaluates the preferences, beliefs, and opinions of aquaculture producers across the U.S. about topics such as cryopreservation, genetic improvement, and the future of the aquaculture industry. Willingness-to-pay values for specific genetic improvements by aquaculture grow-out producers were elicited. A national survey of aquaculture producers was used to elicit the information used in the analysis. The survey …
The Effects Of Micronutrients On Pullets And Broilers, Danielle Armantine Lauzon
The Effects Of Micronutrients On Pullets And Broilers, Danielle Armantine Lauzon
LSU Master's Theses
Two experiments were conducted to determine the availability of various vitamin E (E) sources (absorbed to verxite or adsorbed to silica) in broilers. In Experiment 1, at 100 and 300 IU supplemental E, an average of 94 and 44% of E intake from verxite and silica, respectively, was excreted in the feces, but at 30 IU E, 49 and 45% of E intake was excreted in the feces. In Experiment 2 at 30 IU, 52 and 43% of E intake from verxite and silica was excreted (source, P < 0.02). Based on these results, E adsorbed to silica is more available. Two experiments were conducted to determine the relative bioavailability of organic versus inorganic sources of either Mn or Zn. In Experiment 1, Mn as MnSO4 or a Mn amino acid complex (Availa-Mn) were compared. In Experiment 2, ZnSO4 or a Zn amino acid complex (Availa-Zn) were compared. The results indicate that Availa-Mn is a more available source of Mn than MnSO4, but Availa-Zn is not as available as a source of Zn as ZnSO4. An experiment was conducted to determine the effects of organic sources of Zn, Mn, and Cu on White Leghorn pullet performance. Treatment diets consisted of a control diet with 66 ppm Zn as ZnSO4 or a combination of ZnSO4 and Availa-Zn, 66ppm Mn as MnSO4 or a combination of MnSO4 and Availa-Mn, and 10 ppm Cu as CuSO4 or a combination of CuSO4 and a Cu amino acid complex (Availa-Cu). Diets are inorganic sources (IO), organic Zn (OZ), organic Zn and Mn (OZM), or organic Zn, Mn, and Cu (OZMC). Addition of OZM increased (P < 0.08) intestinal tensile strength and increased (P < 0.06) grams of ash per bone compared with OZMC. Pullets fed OZ had a higher (P < 0.08) bone concentration of all minerals than pullets fed OZM. Total tibia Mn was decreased (P < 0.06) by OZMC, but total tibia Cu was increased (P < 0.08) by OZ addition over IO or OZM.
Estradiol Interactions With Dopamine Antagonists In Mares: Prolactin Secretion And Reproductive Traits, Kristian Kandis Kelley
Estradiol Interactions With Dopamine Antagonists In Mares: Prolactin Secretion And Reproductive Traits, Kristian Kandis Kelley
LSU Master's Theses
Two experiments studied the effects of pretreatment with estradiol benzoate before treatment with a dopamine antagonist on prolactin secretion and reproductive traits in mares during 1) the seasonal anovulatory period and 2) the normal breeding season. Experiment 1 was performed in winter with 17 mares selected for low follicular activity. Nine mares received estradiol benzoate injections every other day for a total of 10 injections; 8 mares received similar injections of vehicle. Ten days after onset of injections, all mares were placed on a daily injections of sulpiride (250 mg) for 45 d or until ovulation. Plasma prolactin concentrations were …
Evaluation Of Bovine Spermatid Sex Ratio By Fluorescent In Situ Hybridization, Michael Alan Stout
Evaluation Of Bovine Spermatid Sex Ratio By Fluorescent In Situ Hybridization, Michael Alan Stout
LSU Master's Theses
The objective of this study was to use fluorescent in situ hybridization (FISH) to determine if a skew in the sex ratio was present at the level of the bovine round spermatid. Paraffin embedded bovine testicular tissue obtained from biopsies were used to perform FISH, and the seminiferous tubules were examined. Our findings show that the skew does exist within the round spermatids. Analysis of variance on X- and Y-chromosome bearing round spermatids as affected by sex, slide, picture set, and tubule was performed. Sex showed that the variation in round spermatid sex ratio differed between slides (P = 0.0001). …
A Novel Yogurt Product With Lactobacillus Acidophilus, Senthil Ganesh
A Novel Yogurt Product With Lactobacillus Acidophilus, Senthil Ganesh
LSU Master's Theses
Health benefits of Lactobacillus acidophilus include providing immune support for infections or cancer, providing a healthy replacement of good bacteria in the intestinal tract following antibiotic therapy, reducing occurrence of diarrhea in humans, aiding in lowering cholesterol and improving the symptoms of lactose intolerance. Consumer demand exists for new dairy products. There are several types of yogurt like stir curd, set curd and drinkable yogurt and they all need to be refrigerated. Moreover there are very few dairy products that can be stored at room temperature and not many dairy foods are finger foods. A novel yogurt product like a …
Interactions Between Formosan Subterranean Termites, Brown Rot Fungus (Gloeophyllum Trabeum) And Some Of The Fungi Present On The Termite Integument And Gut, Poornima Jayasimha
Interactions Between Formosan Subterranean Termites, Brown Rot Fungus (Gloeophyllum Trabeum) And Some Of The Fungi Present On The Termite Integument And Gut, Poornima Jayasimha
LSU Master's Theses
Although the brown rot fungus, Gloeophyllum trabeum (Pers.:Fr.) Murrill, has been shown to be attractive and beneficial to subterranean termites, including Coptotermes formosanus Shiraki, to date no research has been conducted to determine if the association is mutualistic. We first set out to determine if the fungus could be spread by termites. This would represent an obvious benefit to the fungus. We found that C. formosanus does not spread G. trabeum. Unexpectedly, Formosan subterranean termites were found to suppress the growth of G. trabeum. To further investigate this finding, Formosan subterranean termite workers were released into Petri dishes with wood …
Interrelationships Between Mitochondrial Function, Maximal Oxygen Consumption, Running Economy, And Diet In Elite Male And Female Runners, Ryan Peyton Mcmillan
Interrelationships Between Mitochondrial Function, Maximal Oxygen Consumption, Running Economy, And Diet In Elite Male And Female Runners, Ryan Peyton Mcmillan
LSU Master's Theses
The relationships between maximal oxygen consumption (VO2max), mitochondrial function and running economy were investigated in a population of twenty-one endurance trained males and females (range=18-54 yrs). The purposes of this study were: 1) to determine whether mitochondrial oxidative capacity, as defined by the maximal activities of citrate synthase (CS), cytochrome c oxidase (COX), and beta-hydroxyacyl-CoA dehydrogenase (BHAD), is a significant determinant of maximal oxygen consumption in endurance trained men and women, and 2) to observe the relationship between maximal oxygen uptake and running economy in the same population. Muscle biopsy samples were taken from the vastus lateralis prior to a …
Analysis Of Trade In The Western Hemisphere Utilizing A Gravity Model Framework, Brian Matthew Hilbun
Analysis Of Trade In The Western Hemisphere Utilizing A Gravity Model Framework, Brian Matthew Hilbun
LSU Master's Theses
With the recent proliferation of Regional Trade Agreements (RTAs) the tendency world-wide has been seemingly toward trade liberalization. This thesis is primarily concerned with the impacts RTAs have had in the Western Hemisphere regarding agricultural trade flows. Utilizing the framework of the Gravity Model, agricultural trade flows for 24 Western Hemisphere Nations were examined. In the course of the study it was expected that if RTAs were to have an effect it would be a positive Trade Creation Effect and a negative Trade Diversion Effect with positive effects for GDP of importer/exporter and population size of importer/exporter and a negative …
Inhibition Of Hormone Dependent And Independent Breast Cancer Cells By Oyster(Crassostrea Virginica) Ceramide, Madhavi Chintalapati
Inhibition Of Hormone Dependent And Independent Breast Cancer Cells By Oyster(Crassostrea Virginica) Ceramide, Madhavi Chintalapati
LSU Master's Theses
The purpose of this research was to investigate the in vitro and in vivo anti-angiogenic properties of ceramide isolated from oyster (Crassostrea virginica). Ceramide was isolated from oyster by silicic acid chromatography, purified by alkaline hydrolysis, and analyzed by electrospray ionization mass spectrometry (ESI-MS). In vitro, the activity of ceramide on human hormone-dependent (MCF-7) and hormone-independent (MDA-MB-435s) breast cancer cells was evaluated for cell viability and proliferation, VEGF-induced cell migration and invasion, apoptosis, and autophagy. The activity of ceramide was also evaluated for VEGF-induced human umbilical vein endothelial cells (HUVEC) tube formation. The protein levels of vascular endothelial growth factor …