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2015

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Saccharomyces Cerevisiae Tel1 & Tel2 Role In Dna Double-Strand Break Repairs, Tommy Nhan Trieu Jan 2015

Saccharomyces Cerevisiae Tel1 & Tel2 Role In Dna Double-Strand Break Repairs, Tommy Nhan Trieu

LSU Master's Theses

Genomic DNA is constantly in danger of being damaged by endogenous cellular processes and exogenous agents. Eukaryotes have mechanisms, collectively termed the DNA damage response, that detect and repair DNA damage. After a double-stranded break occurs, protein complexes are recruited to the break site to promote resection. Two main protein kinases involved in DNA repair are the Tel1 and Mec1 proteins. Recent studies have found that the Tel2 protein binds to both the Tel1 and Mec1 proteins and a point mutation of TEL2 on the 129th amino acid disrupts this interaction. Since both of the Tel1 and Mec1 proteins are …

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Thermo-Catalytic Upgrading Of Pyrolysis Vapors Using Electromagnetic Heating, Pranjali Devidas Muley Jan 2015

Thermo-Catalytic Upgrading Of Pyrolysis Vapors Using Electromagnetic Heating, Pranjali Devidas Muley

LSU Doctoral Dissertations

Electromagnetic heating offers several advantages such as rapid heating rates, accurate temperature control and energy efficiency over conventional reactors. The goal of this study was to design an effective and energy efficient catalytic reactor for pyrolysis vapor upgrading. An induction based catalytic reactor was designed for upgrading of pyrolysis vapors. The effect of catalyst bed temperatures (290°, 330° and 370°C) and biomass to catalyst ratios of 1, 1.5 and 2 was studied. The results were compared to conventional heating reactor. Induction heating reactor performance exceeded that of conventional heater. The biomass to catalyst ratio of 2 in combination with the …

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Communicating Sustainability With Visuals: Issue Perception And Issue Engagement, Zeynep Melis Altinay Jan 2015

Communicating Sustainability With Visuals: Issue Perception And Issue Engagement, Zeynep Melis Altinay

LSU Doctoral Dissertations

Today the list of environmental disasters threatening lives and natural resources has expanded to include many causes. Even though sustainable solutions have never been so urgent, public still issues low priority to many of these serious threats. Many impacts of environmental deprivation, such as coastal land loss, are invisible to the untrained eye, causing individuals to distance themselves psychologically from the risks. The slow pace of environmental degradation constitutes one of the biggest challenges in sustainability communication. The success of sustainable development will require the public to undergo a significant shift in thinking about environmental issues. This dissertation systemically investigates …

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Stimulation Of Escherichia Coli Dna Damage Inducible Dna Helicase Ding By The Single-Stranded Dna Binding Protein Ssb, Zishuo Cheng Jan 2015

Stimulation Of Escherichia Coli Dna Damage Inducible Dna Helicase Ding By The Single-Stranded Dna Binding Protein Ssb, Zishuo Cheng

LSU Doctoral Dissertations

We investigate the regulation of an E.coli iron-sulfur protein DNA damage inducible DNA helicase (DinG) by single-stranded DNA binding protein (SSB). We find that SSB can form a stable protein complex with DinG and stimulate the DinG DNA helicase activity. On the other hand, SSB mutant that retains the single-stranded DNA binding activity but fails to form a protein complex with DinG becomes a potent inhibitor for the DinG DNA helicase. The results indicate SSB stimulates the DinG DNA helicase activity via direct protein-protein interaction. The results from these studies suggest that iron-sulfur proteins are regulated not only by intracellular …

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Prison Privatization And Inmate Labor In The Global Economy: Reframing The Debate Over Private Prisons, Alfred C. Aman, Carol J. Greenhouse Jan 2015

Prison Privatization And Inmate Labor In The Global Economy: Reframing The Debate Over Private Prisons, Alfred C. Aman, Carol J. Greenhouse

Articles by Maurer Faculty

The pragmatics of privatization offer terrain for a critical understanding of the relationship between government and business under the conditions associated with the globalization of neoliberal capitalism. Prison privatization is especially significant in this context, given the fact that—for privatization advocates and critics alike, in the United States and elsewhere—prisons represent a bellwether for broader questions about the scope of government. We review the recent history of prison privatization in the United States from the vantage point of the policy responses to the privatization movement more generally, to highlight the various factors that, over time, made private prisons iconic of …

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Effects Of Encoding Practice On Alphabet, Phonemic Awareness, And Spelling Skills Of Students With Developmental Delays, Laura Nicole Delrose Jan 2015

Effects Of Encoding Practice On Alphabet, Phonemic Awareness, And Spelling Skills Of Students With Developmental Delays, Laura Nicole Delrose

LSU Doctoral Dissertations

Reading instruction has historically been deemphasized for students in special education, and the limited research on this topic reveals that sight word vocabulary is most commonly taught in special education classrooms (Browder, Wakeman, Spooner, Ahlgrim-Delzell, Algozzine, 2006). However, successful reading instruction must target the five essential components: vocabulary, fluency, comprehension, phonics, and phonemic awareness (National Reading Panel, 2000). The extremely small body of research attempting to teach phonics and phonemic awareness to students with mild to severe disabilities approaches instruction from a decoding framework with mixed success (Browder et al., 2006). Alternatively, this study aims to teach from an encoding …

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Effects Of Light Quality And Light Quantity On The Growth Kinetics Of A Louisiana Native Microalgal/Cyanobacterial Co-Culture, Jonathan Zell Barnett Jan 2015

Effects Of Light Quality And Light Quantity On The Growth Kinetics Of A Louisiana Native Microalgal/Cyanobacterial Co-Culture, Jonathan Zell Barnett

LSU Master's Theses

One of the most important factors controlling the growth of microalgae is light. Light quality and light quantity have a dramatic effect on the production of biomass, lipids and pigments of microalgae. In this research, a native Louisiana co-culture containing Chlorella vulgaris (microalgae) and Leptolyngbya sp (cyanobacteria) was studied to determine the effects of various wavelength distributions and irradiance levels on growth kinetics. Growth rates, biomass levels, lipid contents and chlorophyll-a production was examined in batch cultures to determine which color light was optimum for cultivation. At 80 µmol/m^2-sec the species shifted from microalgae dominant to cyanobacteria dominant. The impact …

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Student-Athlete Academic And Athletic Identity And Self-Efficacy, Bailey Ann Macnab Jan 2015

Student-Athlete Academic And Athletic Identity And Self-Efficacy, Bailey Ann Macnab

LSU Master's Theses

The present study was designed to gain insight into student-athlete identity and self-efficacy. The study will discuss findings from a confirmatory analysis of the internal consistency reliability and validity of two scales found by using Cronbach’s alpha and confirmatory factor analysis. This is discussed in the instruments area of the Methods section. The main part of the study seeks to gain insight into the academic and athletic identity of student athletes and if and how that identity relates to student’s academic and athletic self-efficacy. A sample of 108 current Division I Student-Athletes at a large southeastern university were administered a …

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White Manhood In Louisiana During Reconstruction, 1865-1877, Arthur Wendel Stout Jan 2015

White Manhood In Louisiana During Reconstruction, 1865-1877, Arthur Wendel Stout

LSU Doctoral Dissertations

Economic, political, and social landscapes changed for white men in Louisiana after the Civil War. Suffering displacement, business interruption, property confiscation, and lower social and political standing vis-à-vis the former slaves, white men’s standing in every realm seemed diminished, including their core identity as men. It was important to them and to their families for white men to regain a sense of competence as men. Using letters, diaries, and court cases involving white people with strong connections to Louisiana during the Reconstruction era, this dissertation analyzes the gendered problems that white men and their families sought to resolve. Newspaper articles, …

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Forfeiture Of Confrontation Rights And The Complicated Dynamics Of Domestic Violence: Some Thoughts Inspired By Myrna Raeder, Aviva A. Orenstein Jan 2015

Forfeiture Of Confrontation Rights And The Complicated Dynamics Of Domestic Violence: Some Thoughts Inspired By Myrna Raeder, Aviva A. Orenstein

Articles by Maurer Faculty

In this essay and memorial to my friend and colleague, Myrna Raeder, I examine forfeiting the right of confrontation in the context of domestic violence cases. In 2004, Crawford v. Washington the United States Supreme Court reinterpreted the Sixth Amendment, requiring that for “testimonial statements” to be offered against the accused, the speaker must appear in court, or, if unavailable, must have been subject to cross-examination previously. The practical effect of Crawford was to exclude many out-of-court statements that had previously been admissible. Nowhere was the effect of Crawford more striking than in domestic violence cases, where victims often make …

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Insights From Complexity: A Study Of The Implementation Of A District-Wide Literacy Initiative Through The Lens Of Complex Systems Theory, Mary Kathryn Hudson Jan 2015

Insights From Complexity: A Study Of The Implementation Of A District-Wide Literacy Initiative Through The Lens Of Complex Systems Theory, Mary Kathryn Hudson

LSU Doctoral Dissertations

Complexity Theory provides unique insights into the implementation and operations of a district literacy initiative. The successful and unsuccessful structures of the literacy initiative are examined through a complexity lens in order to gain insight into the relationships between elements of a complex system and its processes operating within a “top-down” educational directive and the resulting “bottom-up” resistance. This qualitative study uses a phenomenological approach to advance complex systems theory. This allows a multi-dimensional exploration of the fundamental attributes of the district initiative, its processes and the relationships within those processes. The literacy initiative in a large urban school district …

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Social Functioning In Schizotypy: An Exploration Of Communicative Effectiveness Through Speech Analysis And Observer Rated Performance In A Socially Demanding Task, Tracey Lauren Auster Jan 2015

Social Functioning In Schizotypy: An Exploration Of Communicative Effectiveness Through Speech Analysis And Observer Rated Performance In A Socially Demanding Task, Tracey Lauren Auster

LSU Doctoral Dissertations

Individuals with schizotypal traits have demonstrated sub-clinical symptoms of psychosis (e.g. perceptual disturbances, self-reported social functioning impairment, self-reported memory problems, and delusions). However, the evidence has been mixed regarding what impairments exist, particularly with regards to social functioning domains. As schizotypy is posited to reflect an underlying vulnerability for development of clinical levels of psychosis/risk conversion, individuals with these traits are an important group to study in order to identify these vulnerabilities. Research has indicated that current measures of social functioning (whether they are localized objective measures of verbal and non-verbal communication or global self-report of functioning) are missing some …

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Synthesis With Hypergraphs, Christopher Thomas Alvin Jan 2015

Synthesis With Hypergraphs, Christopher Thomas Alvin

LSU Doctoral Dissertations

Many problems related to synthesis with intelligent tutoring may be phrased as program synthesis problems using AI-style search and formal reasoning techniques. The _x000C_first two results in this dissertation focus on problem synthesis as an aspect of intelligent tutoring systems applied to STEM-based education frameworks, specifically high school geometry. Given a geometric _x000C_figure as input, our technique constructs a hypergraph representing logical deduction of facts, and then traverses the hypergraph to synthesize problems and their corresponding solutions. Using similar techniques, our third result is focused on exhaustive synthesis of molecules. This synthesis process involves bonding sets of basic, molecular `fragments' …

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People’S Perception Of Free Trade And Economic Sophistication, Igor Kuznetsov Jan 2015

People’S Perception Of Free Trade And Economic Sophistication, Igor Kuznetsov

LSU Master's Theses

The question of which factors form people’s attitudes toward free trade has occupied scholars’ minds for no less than two decades. Many theories were suggested in an attempt to explain why some individuals strongly support protectionist policies while others prefer trade liberalization. These explanations range from classical economic models of factors of production to nationalism, the fear of foreign cultures, and gender differences. The contribution of this paper is that I combine economic and non-economic approaches, introducing the possibility that individuals may think from an economic perspective or draw on other considerations depending on what they know about economics. That …

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Evaluating The Effects Of Silicon And Nitrogen Fertilization On Wheat Production, Brandon White Jan 2015

Evaluating The Effects Of Silicon And Nitrogen Fertilization On Wheat Production, Brandon White

LSU Master's Theses

Silicon (Si) fertilization provides numerous benefits to plants which can in turn lead to improved crop yields. Field studies were established at multiple sites in Louisiana on alluvial flood plain soils to establish an optimum application rate for CaSiO3 slag for wheat (Triticum aestivum) and determine which parameters contribute to grain yield increases. Treatments were arranged in a randomized complete block design with four replications consisting of twelve treatments: a factorial combination of two N (101 and 145 kg ha-1) and five Si rates (0, 1, 2, 4.5, and 9 Mt ha-1 as calcium silicate slag - CaSiO3, 14% Si), …

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Potential For Geothermal Energy In Northern Louisiana: Analysis Of The Subsurface Environment In Union And Morehouse Parishes, Tessa Shizuko Hermes Jan 2015

Potential For Geothermal Energy In Northern Louisiana: Analysis Of The Subsurface Environment In Union And Morehouse Parishes, Tessa Shizuko Hermes

LSU Master's Theses

Efforts to mitigate greenhouse gas emissions and reduce dependence on fossil fuels have led to renewed focus on the exploration and development of alternative energy production. One such option is hydrothermal binary geothermal energy production from geothermal reservoirs with temperatures of at least 100 °C at depths no greater than 5 km. In the U.S., such systems have the potential to provide 5,400 % of 2013 total U.S. energy consumption. This study evaluates the potential for geothermal energy systems implementation in Morehouse and Union Parishes, Louisiana, by using publicly available bottom hole temperature (BHT), mud weight (MW), logged formation top …

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Evaluating The Interspersal Procedure Using Free Access To A Competing Reinforcer, Catherine Rose Lark Jan 2015

Evaluating The Interspersal Procedure Using Free Access To A Competing Reinforcer, Catherine Rose Lark

LSU Master's Theses

Previous research has shown that interspersing additional easy problems among difficult target problems increases target problem fluency and student preference for an assignment. Nonetheless, there have been some contradictory findings concerning the efficacy of the interspersal procedure, so more research is needed to determine whether teachers should use this procedure for academic assignments. The current study attempted to replicate and extend the research on this procedure by using access to a competing reinforcer (an iPad) and a homework analogue. Fourth-grade students were given access to an iPad, but were told to work first for 10 minutes each on a control …

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Dwelling Poetically, Proceeding Orphically: The Platonic Tradition And The Heideggerian Humanism Of Ernesto Grassi, Geoffrey Alexander Leeves Bain Jan 2015

Dwelling Poetically, Proceeding Orphically: The Platonic Tradition And The Heideggerian Humanism Of Ernesto Grassi, Geoffrey Alexander Leeves Bain

LSU Doctoral Dissertations

Martin Heidegger exerted an immense influence over twentieth century thought by providing profound insights into the nature of Being as well as scathing social critiques, focused on the destructive force of late modern technological reductionism. As part of Heidegger’s project, he elaborated upon a sophisticated history of Being in which two great monsters of Platonism and Humanism are cast as Antichrist and False Prophet. Subsequently, however, his own student Ernesto Grassi argued that Renaissance Humanism was not a stepping stone towards subjectivism and technological thinking, but rather stood in conformity with the fundamental essence of Heidegger’s own project. This study …

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The Agronomic Use And Application Of Canopy Reflectance Within The Visible And Near-Infrared Wavebands And Its Relation With Nitrogen Fertilization In Energy Cane Production In Louisiana, Saoli Chanda Jan 2015

The Agronomic Use And Application Of Canopy Reflectance Within The Visible And Near-Infrared Wavebands And Its Relation With Nitrogen Fertilization In Energy Cane Production In Louisiana, Saoli Chanda

LSU Doctoral Dissertations

Spectral vegetation index-based models that are used to estimate yield potential are commonly developed from the relationship between early-season crop canopy reflectance readings and actual yield obtained at harvest. Plant population stand can influence cane yield potential and nutrient requirement. This study was conducted at LSU AgCenter Sugar Research Station in St. Gabriel, LA to evaluate (1) the relation between estimated early season biomass yield and the spectral vegetation indices acquired at the same time, (2) nitrogen (N) response pattern between early-season biomass production and yield at harvest, and (3) the relationship between coefficient of variation (CV) among normalized difference …

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An Analysis Of Spelling Patterns Produced By Elementary School-Aged Speakers Of African American English, Lindsay Meyer Turner Jan 2015

An Analysis Of Spelling Patterns Produced By Elementary School-Aged Speakers Of African American English, Lindsay Meyer Turner

LSU Doctoral Dissertations

Over the years, less attention is given to students’ spelling skills compared to other areas of literacy achievement like word reading and passage comprehension in relationship to nonmainstream dialect usage. Considering that English spelling is based on the phonological and morphological structures of Mainstream American English (MAE), it is likely that children who speak a nonmainstream dialect such as African American English (AAE) will demonstrate differences in their spelling abilities. The purposes of this study were to explore the relationship between degree of AAE dialect use and spelling for a group of first to third grade children, and to describe …

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Peer Coaching Effects On Targeted Teaching Behaviors And Teacher Self-Efficacy In An Early Field Experience, Deanna Kay Rice Jan 2015

Peer Coaching Effects On Targeted Teaching Behaviors And Teacher Self-Efficacy In An Early Field Experience, Deanna Kay Rice

LSU Doctoral Dissertations

Abstract This study examined the effect of peer coaching on the development of effective teaching behaviors and teacher self-efficacy of education students in an early field experience. The convenience sample (N = 99) included undergraduate students enrolled in a required foundational course in special education at a large public university in the southern United States. Training methods included online video instruction on targeted effective and ineffective teaching behaviors. The effective behaviors included (a) established student learning objective prior to beginning a lesson, (b) explained and/or modeled how pupil can discover answer or solve a problem, (c) checked for understanding by …

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The Creation And Reflection Of A Solo Show: Corner Of 26 And Lost, Margaret Mcgurn Jan 2015

The Creation And Reflection Of A Solo Show: Corner Of 26 And Lost, Margaret Mcgurn

LSU Master's Theses

We knew coming into this two-year M.F.A. program in June of 2013 that our thesis would culminate in December of 2014 with the performance of a solo show that we would each write and perform ourselves. So as early as out first summer here, we were encouraged to get the ball rolling with potential ideas. The thought this project was to not only give us practice at devising work, but also put a show in our back pocket. So, when we graduated, we would have a full-fledged show that we could take on the road and perform anywhere with little …

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Career Development Among College Students: Determining The Influence Of Career Services On Student Persistence To Graduation, Anne Wanjiku Sang Jan 2015

Career Development Among College Students: Determining The Influence Of Career Services On Student Persistence To Graduation, Anne Wanjiku Sang

LSU Doctoral Dissertations

The primary purpose of this study was to determine the influence of participation in career services activities and selected demographic characteristics on the persistence to graduation among undergraduate students at a research university-very high research activity (RU/VH) in the Southern portion of the United States. The target population was all undergraduate students enrolled at a research university –very high research activity (RU/VH) in the Southern portion of the United States. The accessible population for this study was undergraduate students at one selected research university –very high research activity (RU/VH) in the Southern portion of the United States and the sample …

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The Effects Of Tropical Storms And Hurricanes On Phytoplankton And Nutrient Concentrations In Wetland-Estuary Transition Zones Along The Gulf Coast, Tiffany Chantelle Johnson Jan 2015

The Effects Of Tropical Storms And Hurricanes On Phytoplankton And Nutrient Concentrations In Wetland-Estuary Transition Zones Along The Gulf Coast, Tiffany Chantelle Johnson

LSU Master's Theses

Two consecutive storms made landfall along the Northern Gulf of Mexico on June and August 2012 (Tropical Storm Debby, 06/26/2012; Isaac, 08/28/2012, Category (Cat) 1 Saffir-Simpson Hurricane Scale). Each storm passed within 48 to 273 km of one of seven wetland-estuary transition zone sampling sites, and indirect storm effects associated with changes in freshwater discharge and an inflow of inorganic nutrients were observed at five of the seven sites. To assess the impacts of the 2012 hurricanes on hydrology, nutrient concentrations, and phytoplankton concentrations at transition zones along the Gulf Coast, a within-sites analysis along with a seasonal analysis were …

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Do People With Aphasia Interpret Road Signs Differently Than People Without Aphasia?, Caitlin Elise Brown Jan 2015

Do People With Aphasia Interpret Road Signs Differently Than People Without Aphasia?, Caitlin Elise Brown

LSU Master's Theses

Purpose: This study increased our understanding of how aphasia may affect interpretation of road signs. Background: Despite aphasia’s theoretical effects on road sign comprehension and promising initial findings in studies that investigated driving and aphasia, the literature examining aphasia and road signs has been sparse. Research has shown that aphasia may have some effect on road sign interpretation. However, more study is needed regarding both accuracy and response time to road sign interpretation, which are equally important for safe driving. Methods: This was a prospective, between group study that used data collected from a larger study by Donovan, Savage, Varnado, …

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Game Theoretic Analyses Of The United States-Canada Softwood Lumber Trade, Rajan Parajuli Jan 2015

Game Theoretic Analyses Of The United States-Canada Softwood Lumber Trade, Rajan Parajuli

LSU Doctoral Dissertations

The ongoing softwood lumber trade dispute between the United States (U.S.) and Canada is one of the most contentious and largest bilateral trade battles over the recent decades. The bilateral trade debate is mostly because of the different forestland ownership systems in the U.S. and Canada, and the alleged timber subsidies by provincial governments to Canadian lumber producers. The Softwood Lumber Agreement (SLA) 2006 between the U.S. and Canada is the latest transitory solution of this dispute, entailing Canada to impose mandatory export charges on its lumber shipments to the U.S. In order to understand this trade dispute from a …

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A Critique Of A Student-Centered Learning Approach Used In A Geometry Classroom, Alana Blackwell Day Jan 2015

A Critique Of A Student-Centered Learning Approach Used In A Geometry Classroom, Alana Blackwell Day

LSU Master's Theses

This thesis offers a framework for identifying effective classroom materials to support student-centered learning. Based on a review of published studies on effective classroom activities, as well as theses by Louisiana Math and Science Teachers Institute (LaMSTI) graduates, we identify promising characteristics. We employed these in five lessons, refined them into questions, and offer in final form for use.

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The Edible Landscape: Plant Breeding, Farming, And Sustainbility In Northwest Portugal, Joseph Blanchard Powell Jan 2015

The Edible Landscape: Plant Breeding, Farming, And Sustainbility In Northwest Portugal, Joseph Blanchard Powell

LSU Doctoral Dissertations

This dissertation is an ethnographic analysis of a participatory plant breeding project in northwest Portugal. Participatory plant breeding (PPB) is a crop enhancement strategy that brings farmers and plant breeders together in the effort to conserve crop genetic resources in-situ, improve yield, and increase the overall agricultural sustainability in agriculture. One strategy in PPB calls for plant breeders to spend considerable time on working farms to understand better farmers’ knowledge and skill, and to survey the existing crop genetic diversity within the existing resource limitations on farms. Although there are clear social implications for PPB, the bulk of PPB evaluative …

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Development Of A Three-Dimensional Bioprinter With Inline Light Activation For Bone Tissue Engineering, Colton Alexander Mcelheny Jan 2015

Development Of A Three-Dimensional Bioprinter With Inline Light Activation For Bone Tissue Engineering, Colton Alexander Mcelheny

LSU Master's Theses

Bioprinting offers exciting possibilities for tissue engineering related to tissue and organ failure due to trauma, disease, or aging. This is of substantial societal value as the world populace mean age rises. Current needs for tissue and organ repair far exceed availability. A strategy being explored to counter this imbalance is the single step fabrication of cellular constructs. This paper explores various bioprinting techniques and suggests a custom design for a cost-effective, low-maintenance bioprinting platform for academic research. The platform functionality was validated via two-dimensional image transfer and simple three-dimensional geometries.

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Increasing Student Engagement In The Secondary Math Classroom, Chantell Holloway Walker Jan 2015

Increasing Student Engagement In The Secondary Math Classroom, Chantell Holloway Walker

LSU Master's Theses

This thesis reports on a professional development package developed by the author to help three teachers increase the level of student engagement in their math classrooms. There were three phases: 1) initial presentation of strategies and sample lessons, 2) classroom implementation, 3) reflection and evaluation. As a result of the professional development, the Louisiana Compass Teacher Evaluation Rubric scores of the teachers improved in the area of student engagement. This thesis can be used as a guide for principals or instructional specialists who wish to provide professional development for small groups of teachers, with a focus on increasing student engagement.

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