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Articles 1231 - 1260 of 8029
Full-Text Articles in Entire DC Network
Fall 2021 Catalog, Lsu Press
F21rs Sgcr No. 19 (Lauren Shaw, Student Media Board), Taylor Perrodin
F21rs Sgcr No. 19 (Lauren Shaw, Student Media Board), Taylor Perrodin
Student Senate Enrolled Legislation
A Concurrent Resolution
To appoint Lauren Shaw as an SG representative on the student media board
Leptin Receptor Signaling Is Required For Intact Hypoglycemic Counterregulation: A Study In Male Zucker Rats, Christopher D. Morrison, Marina A. Duvall, Cristal M. Hill, Redin A. Spann, David H. Mcdougal
Leptin Receptor Signaling Is Required For Intact Hypoglycemic Counterregulation: A Study In Male Zucker Rats, Christopher D. Morrison, Marina A. Duvall, Cristal M. Hill, Redin A. Spann, David H. Mcdougal
Division of Basic Science Faculty Publications
Hypoglycemia is a major barrier to clinical management of persons with diabetes. Emerging evidence supports a role for leptin in gating hypoglycemic counterregulation. This work demonstrates that male leptin receptor null, Zucker (fa/fa), rats display severe impairments in hypoglycemic counterregulation. Thus, augmenting leptin levels may have clinical utility for preventing hypoglycemia.
Dynamin-Related Protein 1 Regulates Substrate Oxidation In Skeletal Muscle By Stabilizing Cellular And Mitochondrial Calcium Dynamics, William T. King, Christopher L. Axelrod, Elizabeth R.M. Zunica, Robert C. Noland, Gangarao Davuluri, Hisashi Fujioka, Bernard Tandler, Kathryn Pergola, Gerlinda E. Hermann, Richard C. Rogers, Sandra López-Domènech, Wagner S. Dantas, Krisztian Stadler, Charles L. Hoppel, John P. Kirwan
Dynamin-Related Protein 1 Regulates Substrate Oxidation In Skeletal Muscle By Stabilizing Cellular And Mitochondrial Calcium Dynamics, William T. King, Christopher L. Axelrod, Elizabeth R.M. Zunica, Robert C. Noland, Gangarao Davuluri, Hisashi Fujioka, Bernard Tandler, Kathryn Pergola, Gerlinda E. Hermann, Richard C. Rogers, Sandra López-Domènech, Wagner S. Dantas, Krisztian Stadler, Charles L. Hoppel, John P. Kirwan
Division of Basic Science Faculty Publications
Mitochondria undergo continuous cycles of fission and fusion to promote inheritance, regulate quality control, and mitigate organelle stress. More recently, this process of mitochondrial dynamics has been demonstrated to be highly sensitive to nutrient supply, ultimately conferring bioenergetic plasticity to the organelle. However, whether regulators of mitochondrial dynamics play a causative role in nutrient regulation remains unclear. In this study, we generated a cellular loss-of-function model for dynamin-related protein 1 (DRP1), the primary regulator of outer membrane mitochondrial fission. Loss of DRP1 (shDRP1) resulted in extensive ultrastructural and functional remodeling of mitochondria, characterized by pleomorphic enlargement, increased electron density of …
Ehealth Interventions Targeting Nutrition, Physical Activity, Sedentary Behavior, Or Obesity In Adults: A Scoping Review Of Systematic Reviews, Melinda J. Hutchesson, Claire Gough, Andre Matthias Müller, Camille E. Short, Megan C. Whatnall, Mavra Ahmed, Nicole Pearson, Zenong Yin, Lee M. Ashton, Carol Maher, Amanda E. Staiano, Chelsea E. Mauch, Ann Desmet, Corneel Vandelanotte
Ehealth Interventions Targeting Nutrition, Physical Activity, Sedentary Behavior, Or Obesity In Adults: A Scoping Review Of Systematic Reviews, Melinda J. Hutchesson, Claire Gough, Andre Matthias Müller, Camille E. Short, Megan C. Whatnall, Mavra Ahmed, Nicole Pearson, Zenong Yin, Lee M. Ashton, Carol Maher, Amanda E. Staiano, Chelsea E. Mauch, Ann Desmet, Corneel Vandelanotte
Population and Public Health Science Faculty Publications
A vast body of evidence regarding eHealth interventions for nutrition, physical activity, sedentary behavior, and obesity exists. This scoping review of systematic reviews aimed to evaluate the current level of evidence in this growing field. Seven electronic databases were searched for systematic reviews published until October 27, 2019. The systematic reviews must have included adult participants only and have evaluated eHealth behavioral interventions with the primary aim of changing nutrition, physical activity, and sedentary behavior or treating or preventing overweight and obesity. One hundred and six systematic reviews, published from 2006 to 2019, were included. Almost all (n = 98) …
Preference, Expected Burden, And Willingness To Use Digital And Traditional Methods To Assess Food And Alcohol Intake, Christoph Höchsmann, Nicole Fearnbach, James L. Dorling, Tera L. Fazzino, Candice A. Myers, John W. Apolzan, Corby K. Martin
Preference, Expected Burden, And Willingness To Use Digital And Traditional Methods To Assess Food And Alcohol Intake, Christoph Höchsmann, Nicole Fearnbach, James L. Dorling, Tera L. Fazzino, Candice A. Myers, John W. Apolzan, Corby K. Martin
Clinical Research Faculty Publications
We conducted an online survey to examine the preference, expected burden, and willingness of people to use four different methods of assessing food and alcohol intake such as food/drink record, 24-h recall, Remote Food Photography Method© (RFPM, via SmartIntake® app), and a novel app (PortionSize® ) that allows the in-app portion size estimation of foods/drinks by the user. For food (N = 1959) and alcohol (N = 466) intake assessment, 67.3% and 63.3%, respectively, preferred the RFPM/SmartIntake®, 51.9% and 53.4% preferred PortionSize®, 48.0% and 49.3% the food records, and 32.9% and 33.9% the 24-h recalls (difference in preference across all …
Developing Notification And Enforcement Systems To Communicate And Administer Bridge Load Postings, Hany Hassan, Hisham Abdu Kunnah
Developing Notification And Enforcement Systems To Communicate And Administer Bridge Load Postings, Hany Hassan, Hisham Abdu Kunnah
Publications
State and local law enforcement agencies in the US strive to enforce weight restrictions on trucks and heavy vehicles travelling on public roads as a matter of public safety and as a way of safeguarding vital transportation infrastructure. This research aimed to identify plausible notification systems that can effectively communicate bridge load postings to dispatchers and drivers, investigate and suggest possible approaches to communicate potential detour routes, and identify corresponding enforcement methods required to successfully administer bridge load postings. This report discusses the current practices of bridge load posting notification and enforcement systems. Also, it presents an overview of the …
Rapid Repair Of Cracks On The Embankment Slopes Using Bio-Cement, Hai Lin, Guantao Cheng
Rapid Repair Of Cracks On The Embankment Slopes Using Bio-Cement, Hai Lin, Guantao Cheng
Publications
This research explored the feasibility of using Microbially Induced Carbonate Precipitation (MICP) to improve fine-grained soil mechanical properties, seal the soil cracks, and assess the improvement of MICP on slope stability. The conducted research tasks include (1) direct shear tests to investigate the mechanical behavior and biogeochemical reactions of low-plasticity silt treated by MICP, (2) cyclic wetting-drying tests to assess the feasibility of using MICP to seal and waterproof the soil cracks, and (3) SLOPE/W modeling of a slope treated by MICP. Direct shear tests were used to evaluate the shear responses of the low-plasticity silt under different overburden pressures …
Social Marketing Campaigns To Promote Healthy Eating In Low-Income Louisiana Environments: A Mixed Methods Formative Assessment, Linda Fergus
LSU Doctoral Dissertations
A healthy diet consistent with the Dietary Guidelines for Americans (DGA) is associated with reduced risk of obesity and chronic disease. Many people do not consume a healthy diet, especially those with limited resources. The purpose of this research was to study social marketing campaigns and message design factors that promote healthy eating and improved physical activity (PA) behaviors to low-income populations in Louisiana (LA) and to describe the attitudes, beliefs, and barriers of the rural, low-income LA population regarding healthy eating.
In a scoping literature review, an evidence map of publications regarding social marketing campaigns that aim to promote …
Isotopic Fingerprints Of Mountain Uplift And Global Cooling In Paleoclimatic And Paleoecological Records From The Northern Tibetan Plateau, Mingqiu Hou, Guangsheng Zhuang, Minghao Wu
Isotopic Fingerprints Of Mountain Uplift And Global Cooling In Paleoclimatic And Paleoecological Records From The Northern Tibetan Plateau, Mingqiu Hou, Guangsheng Zhuang, Minghao Wu
Faculty Publications
Post-middle Miocene changes in climate and ecology in the northern Tibetan Plateau have been attributed to tectonic uplift and global climate change. However, the relative roles of tectonism and global climate change have been a long-standing debate. To untangle the complex influences of global climate change versus the tectonism on regional climate and ecology in the northern Tibetan Plateau, we studied carbon isotopes (δ13Cwax) of leaf wax long-chain n-alkanes and carbon (δ13C) and oxygen isotopes (δ18O) of carbonates from three stratigraphic successions (ca. 16 Ma to 2 Ma) in the Hexi Corridor (foreland basin) …
Expansion Of The Cello Repertoire In The 21st Century: A Collaboration With Composers Paul Eddison Lewis, Thomas L. Wilson, Austin Franklin, And Alex Shanafelt And The Resulting New Compositions For Cello And Electronics - Examined And Recorded By The Performer, Eduard Teregulov
LSU Doctoral Dissertations
Electroacoustic music has been one of the fastest growing genres in classical art music since the middle the twentieth century. Thanks to the pioneers of the genre such as American composer John Cage, Halim El-Dabh, Karlheinz Stockhausen, Morton Subotnick, Iannis Xenakis, as well many others composers and enthusiasts of the twentieth and the twenty-first century the repertoire of electronic and electroacoustic music has grown tremendously withing the last hundred years. Even today it is still a growing art form as contemporary composers are working with yet to be developed and explored electroacoustic programming and equipment.
The purpose of this project …
Multifunctional Corrosion Control System As A Sustainable Approach For Reinforced Concrete Elements, Homero Castaneda, Miladin Radovic, Brendy Rincon, Oladis Troconis, Arturo Montoya, Changkyu Kim, Loreto Dacio
Multifunctional Corrosion Control System As A Sustainable Approach For Reinforced Concrete Elements, Homero Castaneda, Miladin Radovic, Brendy Rincon, Oladis Troconis, Arturo Montoya, Changkyu Kim, Loreto Dacio
Publications
Corrosion inhibitors can be utilized to decrease the corrosion kinetics and therefore increase the durability of reinforced concrete structures. Recently, a green synthesized organic compound, 1-benzyl-4-phenyl-1H-1,2,3-triazole (BPT), was shown to be a successful green organic corrosion inhibitor for mild steel. Studies suggested that the BPT adsorbs chemically onto the steel and acts as a mixed inhibitor, suppressing both the anodic and cathodic corrosion kinetics of steel. In addition, microcapsules have shown to be an efficient way for a controlled inhibitor release in reinforced concrete structures. On the other hand, geopolymers (GPs) comprised of a long range of covalently bonded alumino-silicates, …
Genome-Wide Association And Selective Sweep Studies Reveal The Complex Genetic Architecture Of Dmi Fungicide Resistance In Cercospora Beticola, Rebecca Spanner, Demetris Taliadoros, Jonathan Richards, Viviana Rivera-Varas, Jonathan Neubauer, Mari Natwick, Olivia Hamilton, Niloofar Vaghefi, Sarah Pethybridge, Gary A. Secor, Timothy L. Friesen, Eva H. Stukenbrock, Melvin D. Bolton
Genome-Wide Association And Selective Sweep Studies Reveal The Complex Genetic Architecture Of Dmi Fungicide Resistance In Cercospora Beticola, Rebecca Spanner, Demetris Taliadoros, Jonathan Richards, Viviana Rivera-Varas, Jonathan Neubauer, Mari Natwick, Olivia Hamilton, Niloofar Vaghefi, Sarah Pethybridge, Gary A. Secor, Timothy L. Friesen, Eva H. Stukenbrock, Melvin D. Bolton
Faculty Publications
The rapid and widespread evolution of fungicide resistance remains a challenge for crop disease management. The demethylation inhibitor (DMI) class of fungicides is a widely used chemistry for managing disease, but there has been a gradual decline in efficacy in many crop pathosystems. Reliance on DMI fungicides has increased resistance in populations of the plant pathogenic fungus Cercospora beticola worldwide. To better understand the genetic and evolutionary basis for DMI resistance in C. beticola, a genome-wide association study (GWAS) and selective sweep analysis were conducted for the first time in this species. We performed whole-genome resequencing of 190 C. beticola …
Managing Corpses From Different Castes In The Eastern Subterranean Termite, Jizhe Shi, Chi Zhang, Sirui Huang, Austin Merchant, Qian Sun, Chuan Zhou, Kenneth F. Haynes, Xuguo Zhou
Managing Corpses From Different Castes In The Eastern Subterranean Termite, Jizhe Shi, Chi Zhang, Sirui Huang, Austin Merchant, Qian Sun, Chuan Zhou, Kenneth F. Haynes, Xuguo Zhou
Faculty Publications
Corpse management is essential for social animals to maintain colony health. In the eastern subterranean termite, Reticulitermes flavipes, workers carry out undertaking behaviors to mitigate the risks associated with the dead. In this study, we hypothesized that termites would respond differently to the corpses from different castes based on their postmortem chemical signatures. To test this hypothesis, we 1) documented the behavioral responses of the workers toward corpses from different castes, and 2) profile the chemical signatures of these corpses. Corpses from all castes were retrieved inside the nests and cannibalized when they were decomposed <64 >h, regardless of the presence …64>
Assessing Biodegradable Mulch Duration And Nutsedge Suppression During Late Summer Cucumber Production In Mississippi And Louisiana, Kathryn Fontenot, Heather Kirk-Ballard, Christine Elizabeth Harris Coker, Ronald Strahan, Isabel Bacas, Robert Michael Ely
Assessing Biodegradable Mulch Duration And Nutsedge Suppression During Late Summer Cucumber Production In Mississippi And Louisiana, Kathryn Fontenot, Heather Kirk-Ballard, Christine Elizabeth Harris Coker, Ronald Strahan, Isabel Bacas, Robert Michael Ely
Faculty Publications
Environmental concerns as well as labor costs associated with the use of polyethylene plastic mulch have turned producers’ focus to alternative mulch treatments. A preliminary study was conducted to evaluate nutsedge control, mulch degradation, and cucumber yields on biodegradable mulches at two locations (Louisiana and Mississippi). Mulch treatments included two paper-based mulch products, two biodegradable plastic mulches, the industry standard non-biodegradable black plastic mulch, and an unmulched control. The heavy weight paper-based mulch and light weight paper mulches in the Louisiana location were reduced to 50% or less coverage at the end of the study. Similarly, the paper-based mulches both …
Eating Behaviors And Dietary Patterns Of Women During Pregnancy: Optimizing The Universal ‘Teachable Moment’, Maryam Kebbe, Emily W. Flanagan, Joshua R. Sparks, Leanne M. Redman
Eating Behaviors And Dietary Patterns Of Women During Pregnancy: Optimizing The Universal ‘Teachable Moment’, Maryam Kebbe, Emily W. Flanagan, Joshua R. Sparks, Leanne M. Redman
Clinical Research Faculty Publications
Understanding women’s perceptions of eating behaviors and dietary patterns can inform the ‘teachable moment’ model of pregnancy. Our objectives were to describe eating behaviors and dietary patterns in pregnancy. This was a cross‐sectional, national electronic survey. Women were ≥18 years of age, living in the United States, currently pregnant or less than two years postpartum, and had internet access. Age, education, race, and marriage were included as covariates in ordinal and binary logistic regressions (significance p < 0.05). Women (n = 587 eligible) made positive or negative changes to their diets, while others maintained pre‐existing eating behaviors. The majority of women did not try (84.9 to 95.1% across diets) and were unwilling to try (66.6 to 81%) specific dietary patterns during pregnancy. Concerns included not eating a balanced diet (60.1 to 65.9%), difficulty in implementation without family (63.2 to 64.8%), and expense (58.7 to 60.1%). Helpful strategies included being provided all meals and snacks (88.1 to 90.6%) and periodic consultations with a dietitian or nutritionist (85 to 86.7%). Responses differed across subgroups of parity, body mass index, and trimester, notably in women with obesity who reported healthier changes to their diet (p < 0.05). Our study underscores the importance of tailoring care early to individual needs, characteristics, and circumstances.
Cage's Imitation Game: Cheap Imitation And Song Books Through The Sketches, Jeffrey Perry
Cage's Imitation Game: Cheap Imitation And Song Books Through The Sketches, Jeffrey Perry
Faculty Publications
The theme of John Cage’s Song Books (1970), according to Cage, is contained in the statement “We connect Satie with Thoreau” (Cage 1970a, 1). Previous studies of Cage’s Song Books have not asked what I feel to be obvious questions: how, precisely, does Cage connect Satie with Thoreau? To what end? And how does Cage connect to Satie and Thoreau (and to the other sources from which he borrows)? I make use of Cage’s sketch materials to seek answers. I examine three of the Solos for Voice from Song Books that make use of the cheap-imitation procedure that Cage had …
Organic Cotton Clothing Purchase Behavior: A Comparative Study Of Consumers In The United States And Bangladesh, Md Nakib Ul Hasan, Chuanlan Liu, Bulbul Ahmed
Organic Cotton Clothing Purchase Behavior: A Comparative Study Of Consumers In The United States And Bangladesh, Md Nakib Ul Hasan, Chuanlan Liu, Bulbul Ahmed
Faculty Publications
The purpose of this research was to evaluate the differences and similarities of organic cotton clothing (OCC) purchase behaviors of the consumers who lie at the top and the bottom of the apparel supply chain. The influences of consumers’ sustainability knowledge and social norms on consumers’ attitudes and purchase intentions were examined to understand within the framework of the Theory of Reasoned Action (TRA). Sample data were collected from the United States and Bangladesh and, finally, 136 useable responses were used for the data analysis. Among the useable responses, 85 samples were from the US (containing 91.76% female participants and …
A Continuous Adjustment: The Impact Of Covid-19 On International Graduate Students, Carla Albornoz Moraga
A Continuous Adjustment: The Impact Of Covid-19 On International Graduate Students, Carla Albornoz Moraga
LSU Doctoral Dissertations
International graduate students have endured unique obstacles during the COVID-19 pandemic. This study explored the experiences of eight international graduate students from various countries and academic backgrounds. The following questions guided this study: (1) What were the experiences during the 2020 school year for international students throughout COVID- 19?; (2) What were the day-to-day experiences of international graduate students during COVID- 19?, and (3) How did the international graduate students cope and adjust as they lived through a pandemic? Analysis of the data demonstrated the impact on the international graduate students’ preconceived expectations of the academic and socio-cultural experiences, as …
An Examination Of Retail-Level Purchasing Behavior For Healthful Food In Louisiana, Marcus Coleman
An Examination Of Retail-Level Purchasing Behavior For Healthful Food In Louisiana, Marcus Coleman
LSU Doctoral Dissertations
Consumer access and choice for quality and affordable healthful foods at the retail-level is at the forefront of discussions related to the nutritional status of consumers in many communities across the United States. In Louisiana, many consumers live in food environments where retail options for quality and affordable healthful foods are limited, not affordable, or not available. Addressing these issues is complicated by the fact that literature focused on consumer access and choice for healthful foods at the retail-level in Louisiana is inadequate to play a significant role in addressing issues related to purchasing behavior for healthful foods faced by …
Engineering The Surface Of Fe3o4 Nanoparticles For Catalytic And Magnetic Applications, Natalia Da Silva Moura
Engineering The Surface Of Fe3o4 Nanoparticles For Catalytic And Magnetic Applications, Natalia Da Silva Moura
LSU Doctoral Dissertations
With the rapid depletion of the U.S. energy resources coupled with population growth, heat management technologies must be improved to sustain our quality of life. Precisely, in catalysis, it is estimated that only ~50% of the energy supplied to the reactor is used for product conversion due to dissipation losses. Among the emerging technologies with a promising reduction in heat losses is induction heating, offering targeted heat delivery with magnetic nanoparticles. Under alternating magnetic fields (AMF), these nanoparticles can absorb the energy from Radio-Frequency (RF) fields and dissipate it as heat on the nanoparticle surface. This in situ heat generation …
Understanding The Etiology Of Taproot Decline Of Soybean Caused By Xylaria Necrophora, José E. Ortiz Solórzano
Understanding The Etiology Of Taproot Decline Of Soybean Caused By Xylaria Necrophora, José E. Ortiz Solórzano
LSU Master's Theses
Taproot decline (TRD) of soybean is caused by Xylaria necrophora. However, the mechanisms by which it infects soybean and produces symptoms are unknown. Symptoms of TRD include foliar interveinal chlorosis and necrosis and root necrosis, yet X. necrophora appears to be restricted to the roots. While Xylaria species are predominantly wood decomposers, a few are pathogens. More importantly, they produce secondary metabolites (SMs) with multiple bioactivities, including phytotoxicity and antimicrobial activity. Preliminary experiments suggested that X. necrophora was producing SMs responsible for TRD symptoms. We evaluated cell-free culture filtrates (CFs) for phytotoxicity on soybeans, testing for changes in chlorophyll …
In-Between The Wind, Victoria L. Vontz
In-Between The Wind, Victoria L. Vontz
LSU Master's Theses
In-between the Wind is a compilation of poems, short stories, theories, photographs, and drawings that reveal my relationship and connection with nature. Through prose, I expose and question my place in the world, how I see it and how I am connected to it, while photographic images and drawings leave space for thoughtful and reflective meditation. The work draws upon memories, discusses theories of connection, and aims to record ephemeral moments that often seem to be too easily forgotten.
Three Learning Contexts As Paths To Preservice Instrumental Music Teachers' Score Analysis, Rehearsal Planning, And Instructional Readiness: An Exploratory Study In Professional Development, Jennifer Lee Pulling
Three Learning Contexts As Paths To Preservice Instrumental Music Teachers' Score Analysis, Rehearsal Planning, And Instructional Readiness: An Exploratory Study In Professional Development, Jennifer Lee Pulling
LSU Doctoral Dissertations
Despite an abundance of evidence-based research pointing to the effectiveness of long-term teacher professional development (PD) (Darling-Hammond, Hyler & Gardner, 2017; Desimone, 2009), instrumental music teachers who seek to improve their teaching practices are limited to and often prefer short-term PD opportunities (Bauer, 2007; West, 2020). In recent years, a growing knowledge base focused on music teacher PD has given attention to long-term, content-based and collaborative music PD (Conway, 2015; Kastner, 2014; Stanley, Snell & Edgar, 2014) while a dearth of evidence-based research exists on short-term music PD (Bauer, 2007; West, 2020). The purpose of this collective case study was …
Covid-19 Influences On Us Recreational Angler Behavior, Stephen R. Midway, Fraser Andrew Januchowski-Hartley, Abigail J. Lynch, Brandon K. Peoples, Michael Dance, Rex Caffey
Covid-19 Influences On Us Recreational Angler Behavior, Stephen R. Midway, Fraser Andrew Januchowski-Hartley, Abigail J. Lynch, Brandon K. Peoples, Michael Dance, Rex Caffey
Faculty Publications
No abstract provided.
Assessment Of Risks To Listed Species From The Use Of Atrazine In The Usa: A Perspective, Philip N. Smith, Kevin L. Armbrust, Richard A. Brain, Wenlin Chen, Nika Galic, Lula Ghebremichael, Jeffrey M. Giddings, Mark L. Hanson, Jonathan Maul, Glen Van Der Kraak, Keith R. Solomon
Assessment Of Risks To Listed Species From The Use Of Atrazine In The Usa: A Perspective, Philip N. Smith, Kevin L. Armbrust, Richard A. Brain, Wenlin Chen, Nika Galic, Lula Ghebremichael, Jeffrey M. Giddings, Mark L. Hanson, Jonathan Maul, Glen Van Der Kraak, Keith R. Solomon
Faculty Publications
No abstract provided.
Indicators Of Senescence And Their Relationship With The Antioxidant Response Element In Ovarian Cancer Cells—Toward A More Encompassing View Of Enzyme Activity Levels In Cells, Shaniqua Analycia Hayes
Indicators Of Senescence And Their Relationship With The Antioxidant Response Element In Ovarian Cancer Cells—Toward A More Encompassing View Of Enzyme Activity Levels In Cells, Shaniqua Analycia Hayes
LSU Doctoral Dissertations
Enzymes and other related proteins are promising targets as biomarkers for cancer diagnostics, and it is therefore important to be able to quantify intracellular enzyme activity levels, not just presence of enzyme. Thus, there is a great need for the development of methods that offer spatiotemporal quantification of intracellular enzyme activity levels in respiring 2- and 3-dimensional cultures or their sample-processed variants. Previous studies have demonstrated that ß-gal is upregulated in senescence and in select ovarian cancers, and its expression/activity is upregulated when cells are under oxidative stress conditions. To that end, the primary goal of this work was to …
Learning To Interpret Fluid Type Phenomena Via Images, Simron Thapa
Learning To Interpret Fluid Type Phenomena Via Images, Simron Thapa
LSU Doctoral Dissertations
Learning to interpret fluid-type phenomena via images is a long-standing challenging problem in computer vision. The problem becomes even more challenging when the fluid medium is highly dynamic and refractive due to its transparent nature. Here, we consider imaging through such refractive fluid media like water and air. For water, we design novel supervised learning-based algorithms to recover its 3D surface as well as the highly distorted underground patterns. For air, we design a state-of-the-art unsupervised learning algorithm to predict the distortion-free image given a short sequence of turbulent images. Specifically, we design a deep neural network that estimates the …
Devices And Methods For Deep Uv Laser Ablation, Kermit K. Murray, Fabrizio Donnarumma, Oluwaremilekun Lawai
Devices And Methods For Deep Uv Laser Ablation, Kermit K. Murray, Fabrizio Donnarumma, Oluwaremilekun Lawai
College of Science Patents
Laser ablation devices and methods including laser ablation are provided. The ablation devices can include a deep UV laser. Dual-laser ablation devices are also provided. Biomolecules can be ablated using a combination of deep UV laser and nanoelectrospray, resulting in protonated sample molecules.
Cocrfeni High-Entropy Alloy As An Enhanced Hydrogen Evolution Catalyst In An Acidic Solution, Frank Mckay, Yuxin Fang, Orhan Kizilkaya, Prashant Singh, Duane D. Johnson, Amitava Roy, David P. Young, Phillip T. Sprunger, John C. Flake, William A. Shelton, Ye Xu
Cocrfeni High-Entropy Alloy As An Enhanced Hydrogen Evolution Catalyst In An Acidic Solution, Frank Mckay, Yuxin Fang, Orhan Kizilkaya, Prashant Singh, Duane D. Johnson, Amitava Roy, David P. Young, Phillip T. Sprunger, John C. Flake, William A. Shelton, Ye Xu
Faculty Publications
High-entropy alloys (HEAs) have intriguing material properties, but their potential as catalysts has not been widely explored. Based on a concise theoretical model, we predict that the surface of a quaternary HEA of base metals, CoCrFeNi, should go from being nearly fully oxidized except for pure Ni sites when exposed to O2 to being partially oxidized in an acidic solution under cathodic bias, and that such a partially oxidized surface should be more active for the electrochemical hydrogen evolution reaction (HER) in acidic solutions than all the component metals. These predictions are confirmed by electrochemical and surface science experiments: the …