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Articles 19621 - 19650 of 20016
Full-Text Articles in Entire DC Network
Reclaiming Our Essential Freedom To Determine Who May Be Admitted To Study Law, Jeffrey E. Stake
Reclaiming Our Essential Freedom To Determine Who May Be Admitted To Study Law, Jeffrey E. Stake
Articles by Maurer Faculty
No abstract provided.
Bayesian Inference Application To Burglary Detection, Ishan Singh Bhale
Bayesian Inference Application To Burglary Detection, Ishan Singh Bhale
LSU Master's Theses
Real time motion tracking is very important for video analytics. But very little research has been done in identifying the top-level plans behind the atomic activities evident in various surveillance footages [61]. Surveillance videos can contain high level plans in the form of complex activities [61]. These complex activities are usually a combination of various articulated activities like breaking windshield, digging, and non-articulated activities like walking, running. We have developed a Bayesian framework for recognizing complex activities like burglary. This framework (belief network) is based on an expectation propagation algorithm [8] for approximate Bayesian inference. We provide experimental results showing …
The Shoulder Suspension Of Bipedal Humans And The Head Suspension Of Quadrupedal Cats : A Reconstruction Of Macroevolutionary Changes Of Complex Systems Based On Nautral Experiments, Comparative Anatomy, And Biomechanical Analyses Of Extant Organisms, Michelle L. Osborn
LSU Doctoral Dissertations
The biological processes in macroevolutionary transformations, which result in the origin of new species and supraspecific taxa, are not directly observable in organisms with long reproductive generations and need to be extrapolated and reconstructed from physiological, anatomical, and microevolutionary processes. This dissertation reconstructs the anatomical and biomechanical changes that affected the head-neck-shoulder apparatus during the macroevolutionary transformation of a quadrupedal mammal to a bipedal one by studying two model organisms, namely the human and the cat. I hypothesize that the anatomical differences in the head-neck-shoulder apparatus of the two organisms are caused by different force regimes that act on them. …
Electric Field Influence On The Combustion Of Fuel Droplets, Solomon Benghan
Electric Field Influence On The Combustion Of Fuel Droplets, Solomon Benghan
LSU Master's Theses
Improving the combustion efficiency of fuels in combustion devices has become imperative in the face of the diminishing rate of the discovery of new energy sources and an ever increasing demand for energy. While there are other ways of improving combustion efficiency, this study investigated the effect of electric field on the combustion of fuel droplets. In order to model the physics of the problem, a mass transfer evaporation model, heat transfer evaporation model and a simple burning droplet model were considered and their result compared to existing result from literature. A burning rate constant of 1.380mm2/s, 14.910mm2/s and 0.612mm2/s …
Alexandre Iacovleff : "Exotic Academicism" In Europe And America, (1914-1938), Kara Blanken
Alexandre Iacovleff : "Exotic Academicism" In Europe And America, (1914-1938), Kara Blanken
LSU Master's Theses
Art historians often refer to the interwar period of the early twentieth century as la retour à l’ordre. The twenty-one years from 1918 to 1939 represent a return to sober academicism, order, and classicism in art following the destruction and uncertainty caused by the First World War. This mentality of artistic “stability,” combined with the Western fascination for exotic cultures of Africa and Asia, formed the hallmarks of the Art Déco style. Alexandre Iacovleff was a Russian artist who embodied the international artistic spirit of Art Déco from 1914 until his death in 1938. His paintings and drawings, rendered in …
Gene Set Based Ensemble Methods For Cancer Classification, William Evans Duncan
Gene Set Based Ensemble Methods For Cancer Classification, William Evans Duncan
LSU Doctoral Dissertations
Diagnosis of cancer very often depends on conclusions drawn after both clinical and microscopic examinations of tissues to study the manifestation of the disease in order to place tumors in known categories. One factor which determines the categorization of cancer is the tissue from which the tumor originates. Information gathered from clinical exams may be partial or not completely predictive of a specific category of cancer. Further complicating the problem of categorizing various tumors is that the histological classification of the cancer tissue and description of its course of development may be atypical. Gene expression data gleaned from micro-array analysis …
Some Effects Of Nutrient And Flooding Stress Manipulation On Coastal Louisiana Wetland Vegetation, James Stephen Ialeggio
Some Effects Of Nutrient And Flooding Stress Manipulation On Coastal Louisiana Wetland Vegetation, James Stephen Ialeggio
LSU Master's Theses
Freshwater diversions are a relatively recently utilized tool in wetland loss mitigation that stimulate an organic accretion response in marsh vegetation, which is based in root production and thus belowground biomass. The effectiveness of freshwater diversions in slowing marsh loss probably varies across a gradient of the factors they supply: decreased salinity, increased nutrient concentrations, and increased inundation. Flooding stress is commonly thought to be the overriding factor limiting wetland vegetation growth, however its influence may vary across salinity and nutrients. Therefore, plugs of Spartina patens were planted in four “marsh organs” consisting each of 36 sediment-filled PVC pipes of …
Aqueous Red-Emitting Silicon Nanoparticles For Cellular Imaging: Consequences Of Protecting Against Surface Passivation By Hydroxide And Water For Stable Red Emission, Sheng-Kuei Chiu, Beth Ann Manhat, William J.I. Debenedetti, Anna L. Brown, Katye Fichter, Tania Vu, Micah Eastman, Jun Jiao, Andrea Mitchell Goforth
Aqueous Red-Emitting Silicon Nanoparticles For Cellular Imaging: Consequences Of Protecting Against Surface Passivation By Hydroxide And Water For Stable Red Emission, Sheng-Kuei Chiu, Beth Ann Manhat, William J.I. Debenedetti, Anna L. Brown, Katye Fichter, Tania Vu, Micah Eastman, Jun Jiao, Andrea Mitchell Goforth
Chemistry Faculty Publications and Presentations
Stable, aqueous, red-to-near infrared emission is critical for the use of silicon nanoparticles (Si NPs) in biological fluorescence assays, but such Si NPs have been difficult to attain. We report a synthesis and surface modification strategy that protects Si NPs and preserves red photoluminescence (PL) in water for more than 6 mo. The Si NPs were synthesized via high temperature reaction, liberated from an oxide matrix, and functionalized via hydrosilylation to yield hydrophobic particles. The hydrophobic Si NPs were phase transferred to water using the surfactant cetyltrimethylammonium bromide (CTAB) with retention of red PL. CTAB apparently serves a double role …
Gumbos And Nanogumbos: Applications As Photosensitizers In Dye-Sensitized Solar Cells, Atiya Nicole Jordan
Gumbos And Nanogumbos: Applications As Photosensitizers In Dye-Sensitized Solar Cells, Atiya Nicole Jordan
LSU Doctoral Dissertations
Renewable energy is a major concern due to increased world energy consumption. In particular, solar energy is a type of renewable energy source that uses devices known as solar cells to convert sunlight to electricity. Specifically, devices referred to as dye-sensitized solar cells (DSSCs) employ dyes to absorb solar energy. Dyes derived from ruthenium complexes have been typically used in DSSCs. Unfortunately, several disadvantages are associated with current ruthenium complex photosensitizers, which can be attributed to limited supply and expense of metals, as well as reduced absorption in the near-infrared region of the electromagnetic spectrum. Accordingly, this dissertation is a …
New Strategies For The Synthesis Of Porphyrinoids, Moses Inyanje Ihachi
New Strategies For The Synthesis Of Porphyrinoids, Moses Inyanje Ihachi
LSU Doctoral Dissertations
ABSTRACT Chapter 1 describes the most stable isomer of porphyrin called porphycene. In this chapter photodynamic therapy (PDT) is explained, and the application of porphycenes in PDT is also described. Other biological applications and its uses in catalysis are also summarized here. The general chemical reactions of porphycenes are also explained. Chapter 2 involves the synthesis of pyrroles and bipyrroles. Functionalization of pyrrollic substituents is demonstrated using organometallic coupling reactions like Stille coupling and Grubbs olefin metathesis. The synthesis of divinyl bipyrroles is intended to provide an important precursor to porphycene synthesis via ring closing metathesis using Grubbs catalyst. Chapter …
Finite Element Modeling Of Hot-Mix Asphalt Performance In The Laboratory, Hao Ying
Finite Element Modeling Of Hot-Mix Asphalt Performance In The Laboratory, Hao Ying
LSU Doctoral Dissertations
The theoretical investigation of Hot-Mix Asphalt (HMA) response in the dynamic modulus and the semi-circular bending (SCB) laboratory test procedures is necessary to understand the influence of various design parameters on the performance of the mix. In addition, laboratory tests such as the dynamic complex modulus assume that this material can be dealt with as a homogeneous material while overlooking the particulate nature of this composite. The ultimate goal of this study is to develop an advanced theoretical framework, based on three-dimensional (3D) finite element (FE) methods and digital image analysis techniques to describe the behavior of HMA in two …
Bachman's Sparrow (Peucaea Aestivalis) Population Structure Across The Southeastern Usa, Blain Annette Cerame
Bachman's Sparrow (Peucaea Aestivalis) Population Structure Across The Southeastern Usa, Blain Annette Cerame
LSU Master's Theses
Understanding gene flow and population structure in wildlife populations helps managers to protect distinct genetic lineages and genetic variation in small, isolated populations at high risk of extinction. I assessed genetic diversity in Bachman’s Sparrows (Peucaea aestivalis) to evaluate the role of natural barriers in shaping evolutionarily significant units as well as the effect of anthropogenically-caused habitat loss and fragmentation on population differentiation and diversity. Genetic diversity was assessed across the geographic range of Bachman’s Sparrow by genotyping 226 individuals at 18 microsatellite loci and sequencing 48 individuals at nuclear and mitochondrial DNA genes. Multiple analyses consistently demonstrated high levels …
Implementing And Managing Self Assessment Procedures, Terry Leman Armstrong
Implementing And Managing Self Assessment Procedures, Terry Leman Armstrong
LSU Master's Theses
This study tests the hypothesis that implementing, managing and enhancing self-assessment procedures may improve learning. One hundred and fifty seven (157) financial math students in a high school with a predominantly at-risk population were divided randomly into an experimental group (self assessment and reflection) and a control group (traditional practice work). The experimental group performed significantly better than the control group (p = 0.02). The experimental group increased their scores from an average of 5.3 out of 18 correct on the pre-test to an average of 11 out of 18 correct on the post-test. The control group increased their scores …
Closed Form Solutions To The Optimality Equation Of Minimal Norm Actuation, Jorge Antonio Guerra
Closed Form Solutions To The Optimality Equation Of Minimal Norm Actuation, Jorge Antonio Guerra
LSU Master's Theses
This research focused on the problem of minimal norm actuation in the context of partial natural frequency or pole assignment applied to undamped vibrating systems by state feedback control. The result of the research was the closed form solutions for the minimal norm control input and gain vectors. These closed form solutions should took open loop eigenpairs and the desired frequencies of the controlled system and outputted the optimal controller parameters. This optimization technique ensures that the system’s dynamics will be effectively controlled while keeping the controller effort minimal. The controller must then be able to shift only the desired …
Rethinking U.S. Legal Education: No More "Same Old, Same Old", Nancy B. Rapoport
Rethinking U.S. Legal Education: No More "Same Old, Same Old", Nancy B. Rapoport
Scholarly Works
In this Essay, I suggest that we should think about how to create a curriculum that encourages students to develop a variety of skill sets. Law students simply don’t need three years of Socratic questioning regarding the fine details of court opinions. They need a wide range of experiences, preferably building on skill sets (like the twenty-six Berkeley factors) that effective lawyers have developed. A law school’s curriculum should have courses that focus on different factors in each year of law school. Ultimately, what we should be teaching law students is how to develop the judgment to advise clients. Teaching …
Wagging, Not Barking: Statutory Definitions, Jeanne Price
Wagging, Not Barking: Statutory Definitions, Jeanne Price
Scholarly Works
Legislative text is distinguished by the frequency with which it specifies the meaning of the words it employs. More than 25,000 terms are defined in the United States Code alone. In few other contexts is there a perceived need to so carefully and repeatedly clarify meaning. This Article examines the roles played by definitions in a reader's understanding and application of a legislative text; it demonstrates that the effects of defining are not as straightforward as we might assume. The discussion is framed by the distinction between legislation as a communication vehicle and as an instrument of governance. In some …
Social Connectedness Deficits In College Students With Schizotypy, Laura Brown
Social Connectedness Deficits In College Students With Schizotypy, Laura Brown
LSU Doctoral Dissertations
Schizophrenia is a devastating disorder characterized by a variety of bizarre behaviors as well as deficits in neurocognition, social cognition, and functioning. This study focuses on individuals with schizotypy—those with the purported genetic liability for schizophrenia that do not display the full disorder. Prior research has identified potential risk factors for schizophrenia by studying this population, including deficits in social cognition. Studies of social cognition in individuals with schizotypy, however, have yielded inconsistent findings that have failed to fully explain the range of functional deficits seen in these individuals. Social connectedness, in contrast, may be a more useful risk factor …
Microfluidics For The Analysis Of Integral Membrane Proteins: A Top-Down Approach, Katrina Nychole Battle
Microfluidics For The Analysis Of Integral Membrane Proteins: A Top-Down Approach, Katrina Nychole Battle
LSU Doctoral Dissertations
The development of fully automated and high-throughput systems for proteomics is now in demand because of the need to generate new protein-based disease biomarkers. Unfortunately, it is difficult to identify protein biomarkers that are low abundant when in the presence of highly abundant proteins, especially in complex biological samples like serum, cell lysates, and other biological fluids. Membrane proteins, which are in many cases of low abundance compared to cytosolic proteins, have various functions and can provide insight into the state of disease and serve as targets for new drugs making them attractive biomarker candidates. Traditionally, proteins are identified through …
Synthesis Of The Western Hemisphere Of Theonellamide C, Saroj Yadav
Synthesis Of The Western Hemisphere Of Theonellamide C, Saroj Yadav
LSU Doctoral Dissertations
Theonellamides A-F were isolated from Theonella swinhoei by Fusetani and co-workers. Despite considerable synthetic effort to produce theonellamide F by the Shioiri group in the early 1990’s, the total synthesis of a theonellamide has yet to be reported. We report herein our efforts toward some of the required amino acid residues and construction of the western ring of theonellamide C. We describe the synthesis of an uncoded amino acid, (2S,4R)-ɣ-hydroxy-α-amino adipic acid (Ahad), a building block for theonellamide C. We initially investigated the Corey-Lygo method for the catalytic asymmetric generation of the Cα stereocenter. Unfortunately, the alkylation of glycine benzophenone …
Luminescence Studies : Part I. Lanthanide Nanogumbos Part Ii. Near Infrared Photothermal Nanogumbos, Jonathan Carver Dumke
Luminescence Studies : Part I. Lanthanide Nanogumbos Part Ii. Near Infrared Photothermal Nanogumbos, Jonathan Carver Dumke
LSU Doctoral Dissertations
Group of Uniform Materials Based on Organic Salts (GUMBOS) are a class of molten salts that have been focused to be specifically tailored towards applications. Primitively, from Davy to Walden molten salts were desirable for organic synthesis due to the properties. GUMBOS have been synthesized into nanoparticles (nanoGUMBOS) by various methods to be used for lanthanide luminescence and hyperthermal cancer therapeutics. Lanthanide photochemistry has been frequently studied for its high luminescence intensity, narrow emission band, and stable luminescent lifetime decay. Aerosol-derived europium nanoGUMBOS were characterized using electron microscopy (39.5 ± 8.4 nm), XPS, and spectroscopic techniques. Spectroscopic measurements indicated intense …
Effect Of Surfactant On Dynamics Of A Droplet Released In A Quiescent Medium, Abhijit Rao
Effect Of Surfactant On Dynamics Of A Droplet Released In A Quiescent Medium, Abhijit Rao
LSU Master's Theses
During the ‘Deepwater Horizon’ accident, dispersants were used as one of the remediation methods to mitigate the ill effects of oil that entered the water column. The dispersants lower the interfacial tension at the oil-water interface and cause the large oil droplets to disintegrate into finer droplets which remain dispersed in the water column for longer times. A dispersant typically is composed of a surfactant and solvent. Surfactants are chemical compounds which are chiefly responsible for the lowering of interfacial tension at oil water interface. In this study, we have investigated the effect of surfactant on the dynamics of a …
Metamorphic And Geochemical Signatures Of Calc-Silicate Gneisses From The Sawtooth Metamorphic Complex, Idaho, Usa : Implications For Crustal Evolution In Western North America, Isis Fukai
LSU Master's Theses
The Sawtooth Metamorphic Complex (SMC) of central Idaho contains exposures of metasupracrustal rocks that may provide constraints on Precambrian crustal evolution in northwestern United States. Petrographic textures, whole-rock geochemistry, and thermobarmetry of SMC calc-silicate gneisses, collected at high-resolution, record multiple stages of crustal development, including: contiguous deposition of a sandstone-to-shale sequence derived from post-Archean continental sediments, metamorphism during two medium-high-grade thermal events (M1, M2), and two distinct episodes of deformation (D1, D2). Whole-rock concentrations of Cr (23.97-76.43 ± 3.0 ppm), Ni (6.82-33.10 ± 3.5 ppm), Th (2.11-12.04 ± 1.6 ppm), Sc (3.81-11.53 ± 1.6 ppm), and Zr (322-658 ± 3.9 …
The Intersection Of Motherhood And Academia As Conceptualized By Female Doctoral Students, Shaina A. Riser
The Intersection Of Motherhood And Academia As Conceptualized By Female Doctoral Students, Shaina A. Riser
LSU Doctoral Dissertations
The purpose of this qualitative study is to explore the attitudes of current female doctoral candidates who express an interest in pursuing a career in the professoriate, as well as express a desire to have children. The participants will explain how they conceptualize the intersection of academia and motherhood, by detailing how they negotiate and navigate their current status in as a graduate student and their future career and family goals. A limited amount of literature has been published that specifically explores the intersection of academia and motherhood as conceptualized specifically by female graduate students. Therefore, the intent of the …
Alexis De Tocqueville’S Political Science Of Revolutions; Theory And Application, Michal Maciej Kuz
Alexis De Tocqueville’S Political Science Of Revolutions; Theory And Application, Michal Maciej Kuz
LSU Doctoral Dissertations
This dissertation examines the theory of revolutions presented in the main writing of Alexis de Tocqueville and its importance in the field of political theory as well as its possible application in the field of comparative politics. Scholars specializing in the study of the writings of Alexis de Tocqueville have for many years debated on whether the works of this author offer a comprehensive political theory of regimes and political change. This work supports the idea that in all his major writings de Tocqueville works within the same theoretical framework and develops his own typology of modern regimes. At the …
Natural Fracture Characterization In The Haynesville Shale, East Texas: A Core Study, Frank Leslie Morgan
Natural Fracture Characterization In The Haynesville Shale, East Texas: A Core Study, Frank Leslie Morgan
LSU Master's Theses
The Haynesville Shale in East Texas and Northwest Louisiana is one of the most studied and explored shale-gas plays in the United States. With new horizontal drilling and completion strategies, energy companies can produce hydrocarbons directly from the source rock making the Haynesville Shale an attractive resource. A key component of enhanced hydrocarbon production is the presence of natural fractures. They may serve as permeable pathways for hydrocarbon flow, especially in tight shales such as in the Haynesville Shale, where the matrix permeability is very low. In the case of the Haynesville Shale, little is known about the occurrence of …
Evaluating The Effectiveness Of A Classwide Social Skills Intervention With Preschoolers And Kindergarteners, Haley E. York
Evaluating The Effectiveness Of A Classwide Social Skills Intervention With Preschoolers And Kindergarteners, Haley E. York
LSU Master's Theses
The purpose of the current study was to determine the effectiveness of a manualized, universal social skills intervention for young students. Past research on the use of universal interventions within the domain of social skills has shown great promise, and the importance of social skills has been demonstrated through their empirical relation to academic and behavioral outcomes. Additional research has shown that, overall, social skills training interventions for young children are successful and have lasting effects. These findings convey the importance and need for effective, efficient, and early social skills training interventions. As such, this study used a quasi-experimental pretest-posttest …
Reduced Sodium Delivery Through Submicronization Of Sodium Chloride, Its Use In The Manufacture Of Surface Salted Cheese Crackers And The Evaluation Of Physico-Chemical, Microbiological And Sensory Characteristics Of Cheese Crackers, Marvin L. Moncada-Reyes
LSU Doctoral Dissertations
Reducing the particle size of sodium chloride crystal would increase its dissolution rate leading to a more efficient transfer of the ions to the taste buds and hence perhaps a saltier perception of foods. The objective of this study was to develop submicrosalt by using a nanospray drying method, its use in surface salted cheese crackers and evaluating their physico-chemical, microbiological and sensory characteristics. The cheese cracker treatments consisted of 3 different salt sizes (regular, microsalt and submicrosalt) and 3 different concentrations (2, 1.5 and 1%). The 9 (3 sizes x 3 concentrations) different cheese cracker treatments were tested for …
A Feasibility Study Of Multi-Functional Wells For Water Coning Control And Disposal, Lu Jin
A Feasibility Study Of Multi-Functional Wells For Water Coning Control And Disposal, Lu Jin
LSU Doctoral Dissertations
Although water coning is well understood, it is difficult to control in field operations resulting in low recovery and large volumes of waste produced water. A solution - proposed here - is a multi-functional well with the in-situ bottom water drainage and injection installations - Downhole Water Loop (DWL). Theoretically, DWL greatly improves well performance (for example, a two-fold increase of DWL well’s water drainage rate would increase the critical (water-free) oil rate by 80%). However, DWL has practical limitations that must be quantified for actual well design. The objective of this work is to: (1) find maximum water drainage …
All-Women's Flat Track Roller Derby : Gender, Psychoanalysis, And Meaning, Matthew Newsom
All-Women's Flat Track Roller Derby : Gender, Psychoanalysis, And Meaning, Matthew Newsom
LSU Master's Theses
For over a decade, women’s flat track roller derby has grown to reach thousands of women in various countries around the world. Through roller derby, these women are engaging in a full-contact sport that has no comparable male counterpart, making this rapidly-growing sport an interesting arena for gender and cultural research. This thesis uses ethnographic information collected from two U.S. derby teams in order to demonstrate the dynamic interplay of culture and psychology in the making of cultural and personal meaning. In so doing, this research validates the role that psychology—and specifically, psychoanalysis—can play in cultural anthropology, and demonstrates a …
Geodatabase-Assisted Storm Surge Modeling, Sait Ahmet Binselam
Geodatabase-Assisted Storm Surge Modeling, Sait Ahmet Binselam
LSU Doctoral Dissertations
Tropical cyclone-generated storm surge frequently causes catastrophic damage in communities along the Gulf of Mexico. The prediction of landfalling or hypothetical storm surge magnitudes in U.S. Gulf Coast regions remains problematic, in part, because of the dearth of historic event parameter data, including accurate records of storm surge magnitude (elevation) at locations along the coast from hurricanes. While detailed historical records exist that describe hurricane tracks, these data have rarely been correlated with the resulting storm surge, limiting our ability to make statistical inferences, which are needed to fully understand the vulnerability of the U.S. Gulf Coast to hurricane-induced storm …