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A Whole-Grain Diet Increases Whole-Body Protein Balance Compared With A Macronutrient-Matched Refined-Grain Diet, Jacob T. Mey, Jean Philippe Godin, Amanda R. Scelsi, Emily L. Kullman, Steven K. Malin, Shengping Yang, Z. Elizabeth Floyd, Alexander Poulev, Roger A. Fielding, Alastair B. Ross, John P. Kirwan Nov 2021

A Whole-Grain Diet Increases Whole-Body Protein Balance Compared With A Macronutrient-Matched Refined-Grain Diet, Jacob T. Mey, Jean Philippe Godin, Amanda R. Scelsi, Emily L. Kullman, Steven K. Malin, Shengping Yang, Z. Elizabeth Floyd, Alexander Poulev, Roger A. Fielding, Alastair B. Ross, John P. Kirwan

Division of Basic Science Faculty Publications

Background: There are limited data from randomized control trials to support or refute the contention that whole-grains can enhance protein metabolism in humans. Objectives: To examine: 1) the clinical effects of a whole-grain diet on whole-body protein turnover; 2) the cellular effects of whole-grains on protein synthesis in skeletal muscle cells; and 3) the population effects of whole-grain intake on age-related muscle loss. Methods: Adults with overweight/obesity (n = 14; age = 40 ± 7 y; BMI = 33 ± 5 kg/m2) were recruited into a crossover, randomized controlled trial (NCT01411540) in which isocaloric, macronutrient-matched whole-grain and refined-grain diets were …

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Bioactive Compounds From Artemisia Dracunculus L. Activate Ampk Signaling In Skeletal Muscle, B. Vandanmagsar, Y. Yu, C. Simmler, T. N. Dang, P. Kuhn, A. Poulev, D. M. Ribnicky, G. F. Pauli, Z. E. Floyd Nov 2021

Bioactive Compounds From Artemisia Dracunculus L. Activate Ampk Signaling In Skeletal Muscle, B. Vandanmagsar, Y. Yu, C. Simmler, T. N. Dang, P. Kuhn, A. Poulev, D. M. Ribnicky, G. F. Pauli, Z. E. Floyd

Division of Basic Science Faculty Publications

An extract from Artemisia dracunculus L. (termed PMI-5011) improves glucose homeostasis by enhancing insulin action and reducing ectopic lipid accumulation, while increasing fat oxidation in skeletal muscle tissue in obese insulin resistant male mice. A chalcone, DMC-2, in PMI-5011 is the major bioactive that enhances insulin signaling and activation of AKT. However, the mechanism by which PMI-5011 improves lipid metabolism is unknown. AMPK is the cellular energy and metabolic sensor and a key regulator of lipid metabolism in muscle. This study examined PMI-5011 activation of AMPK signaling using murine C2C12 muscle cell culture and skeletal muscle tissue. Findings show that …

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A Role For The Early Pregnancy Maternal Milieu In The Intergenerational Transmission Of Obesity, Emily W. Flanagan, Jasper Most, Abby D. Altazan, Kristen E. Boyle, Leanne M. Redman Nov 2021

A Role For The Early Pregnancy Maternal Milieu In The Intergenerational Transmission Of Obesity, Emily W. Flanagan, Jasper Most, Abby D. Altazan, Kristen E. Boyle, Leanne M. Redman

Clinical Research Faculty Publications

Objective: Maternal obesity increases the risks for adverse pregnancy and offspring outcomes but with large heterogeneity. This study examined changes to the maternal metabolic milieu across pregnancy in women with obesity. It identified differences between a metabolically unhealthy obesity (MUO) phenotype and a metabolically healthy obesity (MHO) phenotype, as well as the differences in offspring adiposity between the two metabolic phenotypes. Methods: In early pregnancy, women were classified with MHO (n = 13) or MUO (n = 9) based on the presence of zero or ≥2 risk factors for metabolic syndrome, respectively (systolic blood pressure > 130 mm Hg or diastolic …

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Effects Of Testosterone Administration On Fmri Responses To Executive Function, Aggressive Behavior, And Emotion Processing Tasks During Severe Exercise- And Diet-Induced Energy Deficit, Owen T. Carmichael, Sreekrishna R. Pillai, Kori Murray, Preetham Shankapal, John Caldwell, Oshin Vartanian, Claire E. Berryman, J. P. Karl, Melissa Harris, Jennifer C. Rood, Stefan M. Pasiakos, Harris R. Lieberman Nov 2021

Effects Of Testosterone Administration On Fmri Responses To Executive Function, Aggressive Behavior, And Emotion Processing Tasks During Severe Exercise- And Diet-Induced Energy Deficit, Owen T. Carmichael, Sreekrishna R. Pillai, Kori Murray, Preetham Shankapal, John Caldwell, Oshin Vartanian, Claire E. Berryman, J. P. Karl, Melissa Harris, Jennifer C. Rood, Stefan M. Pasiakos, Harris R. Lieberman

Clinical Research Faculty Publications

Background: Clinical administration of testosterone is widely used due to a variety of claimed physical and cognitive benefits. Testosterone administration is associated with enhanced brain and cognitive function, as well as mood, in energy-balanced males, although such relationships are controversial. However, the effects of testosterone administration on the brains of energy-deficient males, whose testosterone concentrations are likely to be well below normal, have not been investigated. Methods: This study collected functional magnetic resonance imaging (fMRI) data from 50 non-obese young men before (PRE) and shortly after (POST) 28 days of severe exercise-and-diet-induced energy deficit during which testosterone (200 mg testosterone …

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Exploring Text Mining For Recent Consumer And Sensory Studies About Alternative Proteins, Ziyang Chen, Cristhiam Gurdian, Chetan Sharma, Witoon Prinyawiwatkul, Damir D. Torrico Nov 2021

Exploring Text Mining For Recent Consumer And Sensory Studies About Alternative Proteins, Ziyang Chen, Cristhiam Gurdian, Chetan Sharma, Witoon Prinyawiwatkul, Damir D. Torrico

Faculty Publications

Increased meat consumption has been associated with the overuse of fresh water, under-ground water contamination, land degradation, and negative animal welfare. To mitigate these problems, replacing animal meat products with alternatives such as plant-, insect-, algae-, or yeast-fermented-based proteins, and/or cultured meat, is a viable strategy. Nowadays, there is a vast amount of information regarding consumers’ perceptions of alternative proteins in scientific outlets. Sorting and arranging this information can be time-consuming. To overcome this drawback, text mining and Natural Language Processing (NLP) are introduced as novel approaches to obtain sensory data and rapidly identify current consumer trends. In this study, …

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Author Correction: Discovery And Confirmation Of The Shortest Gamma-Ray Burst From A Collapsar (Nature Astronomy, (2021), 5, 9, (917-927), 10.1038/S41550-021-01428-7), Tomás Ahumada, Leo P. Singer, Shreya Anand, Michael W. Coughlin, Mansi M. Kasliwal, Geoffrey Ryan, Igor Andreoni, S. Bradley Cenko, Christoffer Fremling, Harsh Kumar, Peter T.H. Pang, Eric Burns, Virginia Cunningham, Simone Dichiara, Tim Dietrich, Dmitry S. Svinkin, Mouza Almualla, Alberto J. Castro-Tirado, Kishalay De, Rachel Dunwoody, Pradip Gatkine, Erica Hammerstein, Shabnam Iyyani, Joseph Mangan, Dan Perley, Sonalika Purkayastha, Eric Bellm, Varun Bhalerao, Bryce Bolin, Mattia Bulla, Christopher Cannella, Poonam Chandra, Dmitry A. Duev Nov 2021

Author Correction: Discovery And Confirmation Of The Shortest Gamma-Ray Burst From A Collapsar (Nature Astronomy, (2021), 5, 9, (917-927), 10.1038/S41550-021-01428-7), Tomás Ahumada, Leo P. Singer, Shreya Anand, Michael W. Coughlin, Mansi M. Kasliwal, Geoffrey Ryan, Igor Andreoni, S. Bradley Cenko, Christoffer Fremling, Harsh Kumar, Peter T.H. Pang, Eric Burns, Virginia Cunningham, Simone Dichiara, Tim Dietrich, Dmitry S. Svinkin, Mouza Almualla, Alberto J. Castro-Tirado, Kishalay De, Rachel Dunwoody, Pradip Gatkine, Erica Hammerstein, Shabnam Iyyani, Joseph Mangan, Dan Perley, Sonalika Purkayastha, Eric Bellm, Varun Bhalerao, Bryce Bolin, Mattia Bulla, Christopher Cannella, Poonam Chandra, Dmitry A. Duev

Faculty Publications

In the version of this Letter initially published, the Acknowledgements section omitted to include the following: “Based on observations obtained at the international Gemini Observatory, a program of NSF’s NOIRLab, which is managed by the Association of Universities for Research in Astronomy (AURA) under a cooperative agreement with the National Science Foundation on behalf of the Gemini Observatory partnership: the National Science Foundation (United States), National Research Council (Canada), Agencia Nacional de Investigación y Desarrollo (Chile), Ministerio de Ciencia, Tecnología e Innovación (Argentina), Ministério da Ciência, Tecnologia, Inovações e Comunicações (Brazil), and Korea Astronomy and Space Science Institute (Republic of …

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Examining The Size-Specific Photosynthesis-Irradiance Parameters And Relationship With Phytoplankton Types In A Subtropical Marginal Sea, Haoran Liu, Yuyuan Xie, Yong Qiu, Lei Wang, Feipeng Wang, Edward A. Laws, Bangqin Huang Nov 2021

Examining The Size-Specific Photosynthesis-Irradiance Parameters And Relationship With Phytoplankton Types In A Subtropical Marginal Sea, Haoran Liu, Yuyuan Xie, Yong Qiu, Lei Wang, Feipeng Wang, Edward A. Laws, Bangqin Huang

Faculty Publications

Through photosynthesis, phytoplankton initiate material cycling and the flow of energy through marine ecosystems. The structure of marine ecosystems is sensitive to the size of primary producers, and size-specific photosynthesis-irradiance (P-I) parameters are required for modeling the size-specific primary production. We defined a phytoplankton type to be a group of phytoplankton communities with similar compositions and hypothesized that a function of phytoplankton types might be used to quantify systematic differences of P-I parameters between size classes (structural effects) and variations of the magnitudes of those parameters if the overlap between habitats was small (environmental effects). To test this hypothesis, we …

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On The Topological Complexity Of Manifolds With Abelian Fundamental Group, Daniel C. Cohen, Lucile Vandembroucq Nov 2021

On The Topological Complexity Of Manifolds With Abelian Fundamental Group, Daniel C. Cohen, Lucile Vandembroucq

Faculty Publications

We find conditions which ensure that the topological complexity of a closed manifold M with abelian fundamental group is nonmaximal, and see through examples that our conditions are sharp. This generalizes results of Costa and Farber on the topological complexity of spaces with small fundamental group. Relaxing the commutativity condition on the fundamental group, we also generalize results of Dranishnikov on the Lusternik-Schnirelmann category of the cofibre of the diagonal map Δ:M→M×M{\Delta:M\to M\times M} for nonorientable surfaces by establishing the nonmaximality of this invariant for a large class of manifolds.

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Supplemental Watermelon Juice Attenuates Acute Hyperglycemia-Induced Macro-And Microvascular Dysfunction In Healthy Adults, Cullen M. Vincellette, Jack Losso, Kate Early, Guillaume Spielmann, Brian A. Irving, Timothy D. Allerton Nov 2021

Supplemental Watermelon Juice Attenuates Acute Hyperglycemia-Induced Macro-And Microvascular Dysfunction In Healthy Adults, Cullen M. Vincellette, Jack Losso, Kate Early, Guillaume Spielmann, Brian A. Irving, Timothy D. Allerton

Faculty Publications

Background: Acute hyperglycemia reduces NO bioavailability and causes macro- and microvascular dysfunction. Watermelon juice (WMJ) is a natural source of the amino acid citrulline, which is metabolized to form arginine for the NO cycle and may improve vascular function. Objectives: We examined the effects of 2 weeks of WMJ compared to a calorie-matched placebo (PLA) to attenuate acute hyperglycemia-induced vascular dysfunction. Methods: In a randomized, placebo-controlled, double-blind, crossover trial, 6 men and 11 women (aged 21-25; BMI, 23.5 ± 3.2 kg/m2) received 2 weeks of daily WMJ (500 mL) or a PLA drink followed by an oral-glucose-tolerance test. Postprandial flow-mediated …

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Maternal Gestational Diabetes And Childhood Hyperlipidemia, Xiaoyun Yang, Junhong Leng, Huikun Liu, Leishen Wang, Weiqin Li, Wei Li, Xilin Yang, Ming Liu, Gang Hu Nov 2021

Maternal Gestational Diabetes And Childhood Hyperlipidemia, Xiaoyun Yang, Junhong Leng, Huikun Liu, Leishen Wang, Weiqin Li, Wei Li, Xilin Yang, Ming Liu, Gang Hu

Population and Public Health Science Faculty Publications

Aims: Aim of this study is to assess dyslipidemia risk between children exposed to maternal gestational diabetes mellitus (GDM) and those not exposed. Methods: We recruited 1144 mother–child pairs (572 GDM and 572 non-GDM women matched by their offspring's age and sex). The age of offspring ranged from 3 to 9 years old. We used general linear models to compare mean values of different lipid profiles among children born to mothers with and without GDM. Logistic regression models were used to assess associations of maternal GDM with abnormal lipid profiles in offspring. Results: After adjustment for maternal and children's characteristics, …

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Association Of Hba1c With All-Cause Mortality Across Varying Degrees Of Glycemic Variability In Type 2 Diabetes, Jingyi Lu, Chunfang Wang, Jinghao Cai, Yun Shen, Lei Chen, Lei Zhang, Wei Lu, Wei Zhu, Gang Hu, Tian Xia, Jian Zhou Nov 2021

Association Of Hba1c With All-Cause Mortality Across Varying Degrees Of Glycemic Variability In Type 2 Diabetes, Jingyi Lu, Chunfang Wang, Jinghao Cai, Yun Shen, Lei Chen, Lei Zhang, Wei Lu, Wei Zhu, Gang Hu, Tian Xia, Jian Zhou

Population and Public Health Science Faculty Publications

Context: The interaction of glycated hemoglobin A1c (HbA1c) and glycemic variability in relation to diabetes-related outcomes remains unknown. Objective: To evaluate the relationship between HbA1c and all-cause mortality across varying degrees of glycemic variability in patients with type 2 diabetes. Design, Setting, and Patients: This was a prospective study conducted in a single referral center. Data of 6090 hospitalized patients with type 2 diabetes was analyzed. Glucose coefficient of variation [coefficient of variation (CV)] was obtained as the measure of glycemic variability by using continuous glucose monitoring for 3 days. Cox proportional hazards regression models were used to estimate hazard …

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Serum Concentrations Of Sfas And Cdkal1 Single-Nucleotide Polymorphism Rs7747752 Are Related To An Increased Risk Of Gestational Diabetes Mellitus, Hui Wang, Wen Yang, Jinnan Liu, Junhong Leng, Weiqin Li, Zhijie Yu, Jing Li, Ronald C.W. Ma, Gang Hu, Zhongze Fang, Ying Wang, Xilin Yang Nov 2021

Serum Concentrations Of Sfas And Cdkal1 Single-Nucleotide Polymorphism Rs7747752 Are Related To An Increased Risk Of Gestational Diabetes Mellitus, Hui Wang, Wen Yang, Jinnan Liu, Junhong Leng, Weiqin Li, Zhijie Yu, Jing Li, Ronald C.W. Ma, Gang Hu, Zhongze Fang, Ying Wang, Xilin Yang

Population and Public Health Science Faculty Publications

Background: Interactions between genetic and nutritional factors can contribute to the risk of gestational diabetes mellitus (GDM). Objectives: We aimed to explore the associations of cyclin-dependent kinase 5 regulatory subunit associated protein 1-like 1 (CDKAL1) single-nucleotide polymorphism (SNP) rs7747752 and serum concentrations of SFAs with the risk of GDM in Chinese women. Methods: We conducted a 1:1 case-control study in a prospective cohort of pregnant women in Tianjin, China. Serum SFA data were collected from a total of 243 women with GDM and their controls matched by maternal age (±1 y). Among them, 207 case-control pairs had high-quality sequencing data. …

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And The Heat Goes On: Police Repression And The Modalities Of Power, Howard Liu, Christopher M. Sullivan Nov 2021

And The Heat Goes On: Police Repression And The Modalities Of Power, Howard Liu, Christopher M. Sullivan

Faculty Publications

Among security institutions, police occupy a unique position. In addition to specializing in the repression of dissent, police monitor society and enforce order. Yet within research studying state repression, how police institutions are used and deployed to control domestic threats remain under-explored, particularly as it relates to the dual functionality just described. In this study, we develop and test an explanation of police repression accounting for the bifurcation of Mann’s two modalities of state power: infrastructural power and despotic power. Infrastructural power allocates police resources to surveil dissidents and preemptively limit dissent’s emergence or escalation. Police deploy despotic power through …

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Event-Triggered Control Using A Positive Systems Approach, Frédéric Mazenc, Michael Malisoff, Corina Barbalata, Zhong Ping Jiang Nov 2021

Event-Triggered Control Using A Positive Systems Approach, Frédéric Mazenc, Michael Malisoff, Corina Barbalata, Zhong Ping Jiang

Faculty Publications

We provide a new event-triggered control strategy that relies on the notion of positive systems. Our results cover output feedback, and robustness with respect to uncertain dynamics. Our proofs are based on interval observers. Our examples show potential advantages of our approach over earlier event-triggered methods.

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A Flexible Zinc-Ion Battery Based On The Optimized Concentrated Hydrogel Electrolyte For Enhanced Performance At Subzero Temperature, Ying Wang, Yehong Chen Nov 2021

A Flexible Zinc-Ion Battery Based On The Optimized Concentrated Hydrogel Electrolyte For Enhanced Performance At Subzero Temperature, Ying Wang, Yehong Chen

Faculty Publications

The emerging aqueous zinc-ion rechargeable batteries have attracted much attention, owing to their intrinsic safety and low cost. However, it is not practical to use zinc-ion batteries in frigid environments due to their liquid water-based electrolytes. To alleviate this issue, we have developed a flexible zinc-ion battery consisting of an optimized concentrated hydrogel electrolyte sandwiched between an ultrathin zinc anode and a NH4V3O8•1•9H2O cathode for enhanced performance at subzero temperature. The hydrogel electrolytes, synthesized by simply mixing xanthan gum and aqueous ZnCl2 solution, are examined via various characterizations, such as thermogravimetric analysis, tensile tests, adhesion tests, and impedance measurements, for …

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Virtual Traffic Signals: Safe, Rapid, Efficient And Autonomous Driving Without Traffic Control, Zhao Zhang, Feng Liu, Brian Wolshon, Yu Sheng Nov 2021

Virtual Traffic Signals: Safe, Rapid, Efficient And Autonomous Driving Without Traffic Control, Zhao Zhang, Feng Liu, Brian Wolshon, Yu Sheng

Faculty Publications

Connected and autonomous vehicles (CAV) will open the future to vast possibilities in transportation, most of which have yet to be imagined. As these new technologies emerge, they also have the potential to render many of today's most common transportation control methods irrelevant. In this paper, concepts of connected and autonomous are applied to coordinate and synchronize the arrival and departure of vehicles at intersections; effectively ending the need for traffic signals. Under a set of 'autonomous rules of operation', vehicles can be kept in near-continuous motion while also maintaining safe separation, creating a system of 'virtual traffic signal' (VTS). …

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Twin Reactor Catalytic Assisted Pyrolysis For Food Court Waste Conversion Into High End Chemicals, Răzvan Nicolae State, Gabriela Ionescu, Mariana Pătrașcu, Adrian Volceanov, Dorin Boldor, Cosmin Mărculescu Nov 2021

Twin Reactor Catalytic Assisted Pyrolysis For Food Court Waste Conversion Into High End Chemicals, Răzvan Nicolae State, Gabriela Ionescu, Mariana Pătrașcu, Adrian Volceanov, Dorin Boldor, Cosmin Mărculescu

Faculty Publications

Waste generation is growing every day and its disposal presents multiple challenges. One particular type of waste consists of food court waste (FCW) from food areas in malls. Its disposal requires many stages, starting with transportation, continuing with sorting and recycling, and ending with landfilling or combustion. Thus, this study managed to convert FCW into valuable products, disposing of it at the same time in an environmentally friendly way. For this ex situ catalytic pyrolysis process, experiments were performed by passing products from pyrolysis performed at 500 °C through HZSM5 or MeHZSM5 catalyst (Me = Co, Mo) kept at 300, …

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An Analysis Of The Gradual Archetypal Transformation In The Operatic Travesti Role, Mandalay Martin Nov 2021

An Analysis Of The Gradual Archetypal Transformation In The Operatic Travesti Role, Mandalay Martin

Honors Capstones

No abstract provided.

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Investigating Black Silicon Surface Geometry Via Parameter Modification And Low Flow Inductively Coupled Plasma Deep Reactive Ion Etching, Noah Mulherin Smith Nov 2021

Investigating Black Silicon Surface Geometry Via Parameter Modification And Low Flow Inductively Coupled Plasma Deep Reactive Ion Etching, Noah Mulherin Smith

Honors Capstones

No abstract provided.

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How Object Storage Skills Relate To Language Development, Jessica Laurent Nov 2021

How Object Storage Skills Relate To Language Development, Jessica Laurent

Honors Capstones

No abstract provided.

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Parent Play Correlates With Infants’ Object Construction Skill, Makayla Barber Nov 2021

Parent Play Correlates With Infants’ Object Construction Skill, Makayla Barber

Honors Capstones

No abstract provided.

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Comparing Expression And Localization Of Syntaxin-1a And The Cystic Fibrosis Transmembrane Regulator In Adult Gallus Gallus Retinas, Rachel Lauren Butz Nov 2021

Comparing Expression And Localization Of Syntaxin-1a And The Cystic Fibrosis Transmembrane Regulator In Adult Gallus Gallus Retinas, Rachel Lauren Butz

Honors Capstones

No abstract provided.

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An Interactive Software Tool To Assist Dsp Education Of Electrical And Computer Engineering Undergraduates Through Audio, Kyle Andrew Sellers Nov 2021

An Interactive Software Tool To Assist Dsp Education Of Electrical And Computer Engineering Undergraduates Through Audio, Kyle Andrew Sellers

Honors Capstones

No abstract provided.

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Exploration Of Staphylococcus Aureus Immune Inhibitory Proteins’ Structures And Investigation Of Their Effects On Monocyte And T Cell Adhesion, Jena Elizabeth Bordelon Nov 2021

Exploration Of Staphylococcus Aureus Immune Inhibitory Proteins’ Structures And Investigation Of Their Effects On Monocyte And T Cell Adhesion, Jena Elizabeth Bordelon

Honors Capstones

No abstract provided.

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“Oye, Como Va:” How Streaming Services Have Contributed To The Globalization Of Latin Music, Isabel Caballero Nov 2021

“Oye, Como Va:” How Streaming Services Have Contributed To The Globalization Of Latin Music, Isabel Caballero

Honors Capstones

No abstract provided.

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Durability Of Concrete Produced With Alternative Supplementary Cementitious Material, Craig Newtson, Brad Weldon, Judit Garcia, Seyedsaleh Mousavinezhad, William Toledo Nov 2021

Durability Of Concrete Produced With Alternative Supplementary Cementitious Material, Craig Newtson, Brad Weldon, Judit Garcia, Seyedsaleh Mousavinezhad, William Toledo

Publications

Historically, Class F fly ash has been chosen as a supplementary cementitious material (SCM) in concrete for its ability to mitigate alkali-silica reaction (ASR). However, future availability of fly ash is uncertain because the energy industry has been investing in renewable energy production and removing coal burning generating stations from operation. Consequently, there is a growing need to find new, cost effective and environmentally friendly alternatives to fly ash. This study investigated a locally available natural pozzolan mined from a pumicite deposit near Espanola, NM for its ability to mediate ASR. Concrete and mortar mixtures included SCM contents ranging from …

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The Path Of Least Resistance?: Women Government Attorneys’ Success At The U.S. Supreme Court, Bailey Chauvin Nov 2021

The Path Of Least Resistance?: Women Government Attorneys’ Success At The U.S. Supreme Court, Bailey Chauvin

Honors Capstones

No abstract provided.

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Investigating Plant Tolerance For The Management Of Insect Pests In Rice, James Michael Villegas Oct 2021

Investigating Plant Tolerance For The Management Of Insect Pests In Rice, James Michael Villegas

LSU Doctoral Dissertations

The rice water weevil, Lissorhoptrus oryzophilus Kuschel (Coleoptera: Curculionidae), is the most destructive and widespread insect pest of rice (Oryza sativa L., Poaceae) in the USA. This insect poses a global threat to rice production, having invaded rice-producing regions of Asia and Europe. Moreover, lepidopteran stemborers, particularly the invasive Mexican rice borer, Eoreuma loftini (Dyar) (Lepidoptera: Crambidae), are increasingly becoming problematic in Louisiana rice. Although insecticidal seed treatments have been widely used against weevils and stemborers, alternative management strategies are needed. Plants possess defense-related traits that both reduce injury from herbivores (resistance) and the amount of yield loss per …

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Floodplain Forests Vegetation Dynamics Driven By Water Deficits Across Scales, Nga Thanh Nguyen Oct 2021

Floodplain Forests Vegetation Dynamics Driven By Water Deficits Across Scales, Nga Thanh Nguyen

LSU Doctoral Dissertations

Restoration of floodplain ecosystems relies on identifying the most crucial hydrologic process which has been altered by human and climate. Flooding is a well-known dominant hydrologic process for floodplain ecosystems, but surprisingly little is known about drought's role in structuring ecosystems. In addition, several issues remained uncertain, such as the nature of drought within floodplains and the sensitivity of floodplain species-specific growth to climate. These gaps of understanding have in common in missing observations of mechanistic pathways of vegetation response to water deficits at multiple scales in time and space.Generally, this research contributed to floodplain management by expanding our understanding …

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Connecting And Communicating: The Activation Of Middle School Parents As Learning Coaches For Ela Classrooms In Online Charter Schools, Lillie Connor-Flores Oct 2021

Connecting And Communicating: The Activation Of Middle School Parents As Learning Coaches For Ela Classrooms In Online Charter Schools, Lillie Connor-Flores

LSU Doctoral Dissertations

In recent years, K-12 online charter schools have seen increased enrollment as parents and guardians seek alternate options for educating their children. Online schools provide opportunities for flexibility, individualization, and continuous learning when in-person learning is not available. However, research on K-12 online schooling is currently minimal despite enrollment. Further, little to no research explores middle school online students or delves into the stakeholders who support students. Some online schools have employed a Learning coach—an adult assigned to work with a student at home. Learning coaches can be an asset for engaging learning. The researcher asks the following questions: How …

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