Digital Commons Network^™

An Event-History Analysis Of The Diffusion Of Permitless Concealed Carry Laws Throughout The United States, Jackson Vicknair

Honors Capstones

No abstract provided.

María Dos Prazeres As A Metaphor: A Discourse On Gender And The Spanish Nation, Paola Colmenares

Honors Capstones

No abstract provided.

The Effect Of Telework Conditions And Family-Supportive Supervisor Behaviors On Work- Family Outcomes, Tiffany Huynh

Honors Capstones

No abstract provided.

Exploring The Implementation Of Dike Building And The National Endowment For The Oceans Act To Support Coastal Restoration In Louisiana, Taylor Perrodin

Honors Capstones

No abstract provided.

An Integrated Network Representation Of Multiple Cancer-Specific Data For Graph-Based Machine Learning, L M. Pu, M Singha, H C. Wu, C Busch, L M. Pu, M Brylinski

Faculty Publications

Genomic profiles of cancer cells provide valuable information on genetic alterations in cancer. Several recent studies employed these data to predict the response of cancer cell lines to drug treatment. Nonetheless, due to the multifactorial phenotypes and intricate mechanisms of cancer, the accurate prediction of the effect of pharmacotherapy on a specific cell line based on the genetic information alone is problematic. Emphasizing on the system-level complexity of cancer, we devised a procedure to integrate multiple heterogeneous data, including biological networks, genomics, inhibitor profiling, and gene-disease associations, into a unified graph structure. In order to construct compact, yet information-rich cancer-specific …

Improving Kernel Artifact Extraction In Linux Memory Samples Using The Slub Allocator, Daniel A. Donze

LSU Master's Theses

Memory forensics allows an investigator to analyze the volatile memory (RAM) of a computer, providing a view into the system state of the machine as it was running. Examples of items found in memory samples that are of interest to investigators are kernel data structures which can represent processes, files, and sockets. The SLUB allocator is the default small-request memory allocator for modern Linux systems. SLUB allocates “slabs”, which are contiguous sections of pre-allocated memory that are used to efficiently service allocation requests. The predecessor to SLUB, the SLAB allocator, tracked every slab it allocated, allowing extraction of allocated slabs …

Observational Study On The Variability Of Mixed Layer Depth In The Bering Sea And The Chukchi Sea In The Summer Of 2019, Xiaohui Jiao, Jicai Zhang, Qun Li, Chunyan Li

Faculty Publications

Based on the CTD data from 58 stations in the Bering Sea and the Chukchi Sea in the summer of 2019, the values of mixed layer depth (MLD) were obtained by using the density difference threshold method. It was concluded that the MLD can be estimated more accurately by using a criterion of 0.125 kg/m³ in this region. The average MLD in the Bering Sea basin was larger than that in the Bering Sea shelf, and both of them were smaller than that in the Bering Sea slope. The MLD increased northward in both the Chukchi Sea shelf and …

A Comparison Of The Remote Food Photography Method And The Automated Self-Administered 24-H Dietary Assessment Tool For Measuring Full-Day Dietary Intake Among School-Age Children, Traci A. Bekelman, Corby K. Martin, Susan L. Johnson, Deborah H. Glueck, Katherine A. Sauder, Kylie K. Harrall, Rachel I. Steinberg, Daniel S. Hsia, Dana Dabelea

Clinical Research Faculty Publications

The limitations of self-report measures of dietary intake are well-known. Novel, technology-based measures of dietary intake may provide a more accurate, less burdensome alternative to existing tools. The first objective of this study was to compare participant burden for two technology-based measures of dietary intake among school-age children: the Automated-Self-Administered 24-hour Dietary Assessment Tool-2018 (ASA24-2018) and the Remote Food Photography Method (RFPM). The second objective was to compare reported energy intake for each method to the Estimated Energy Requirement for each child, as a benchmark for actual intake. Forty parent-child dyads participated in two, 3-d dietary assessments: a parent proxy-reported …

Quantitative Analysis Of The Maximum Rate And Minimum Duration For A 200 Km Stepwise Retreat Of The Bindschadler Ice Stream At ~11.5 Cal Kyr Bp, Matthew E Kratochvil

LSU Master's Theses

Small-scale morainal ridges on the middle continental shelf of the Whales Deep Basin partly record the rapid opening of a 200-km grounding line embayment slightly after ~11.5 cal kyr BP. The overlapping pattern of backstepped moraines indicates that the grounding line oscillated back and forth during the retreat. Published sediment fluxes were combined with new sediment volume mapping of the moraines to infer the rates at which the grounding line retreated. The analyses indicate that the rates of grounding line retreat on the eastern flank of the embayment ranged from ~490 m a^-1 to 1,300 m a^-1. …

Light Dependent Feeding And Photogrammetric Determination Of Movement Speed Of Pterois Volitans And Pterois Miles In The Florida Keys, Neal Kolonay

LSU Master's Theses

Invasive species are known to cause economic and ecological damage worldwide, with many aquatic and terrestrial species extending outside their range. Invasive lionfish, Pterois volitans and Pterois miles, are currently some of the most destructive marine species, being released into non-native Atlantic waters, gaining a foothold, and expanding at explosive rates. While attempts have been made to cull their populations through various methods, primarily spearfishing, their populations continue to grow and their ranges expand showing a need for a deeper understanding of their ecology to more effectively model and target them. In this work, two avenues of lionfish ecology which …

Organizational Commitment Profiles And Employee Well-Being: A Latent Profile Analysis, Hannah E. Perkins

LSU Master's Theses

The present study examined the influence that employees’ organizational commitment profile has on both work and non-work outcomes. While the nomological network of the three-component model of organizational commitment has been studied widely, the application of the latent profile analysis (LPA) has changed the way researchers explore organizational commitment. Specifically, while variable centered approaches (e.g., correlations, multiple regression) measure each type of commitment independently and ultimately assume the linear relationships detected are applicable to every employee, a person-centered approach (e.g., latent profile analysis) groups individuals according to patterns of the reported target variables, allowing researchers to explore the combined or …

Music Making And Learning At A School For The Visually Impaired: A Case Study, Jacob A. Peterson

LSU Master's Theses

The purpose of this case study was to investigate the learning environment and the teaching methodologies of teachers at a state school for the visually impaired. Data collection included interviews and observations with field notes with two teachers at LSVI (one music and one non-music teacher) and an interview with a member of the administration. The semi-structured interviews and observations took place in three phases: 1) preliminary interviews in which the participants answered questions about goals for their classrooms, background information, common strategies/methods/tools that they have at their disposal, 2) observations of a class/classes with each of the teachers, 3) …

Machine Learning-Based Bridge Load Posting Prediction, Sai Naga Sasi Aditya Bandaru

LSU Master's Theses

1600 (12%) of Louisiana's 13,000 bridges that allow the passage of people, goods, and services are load posted, meaning they are deemed incapable of securely carrying all legal loads. A machine learning framework for estimating the number of load-posted bridges within a regional bridge portfolio would be extremely valuable in the future for allocating essential resources during long-term planning. A framework of this type is necessary since a significant proportion of the bridges are load posted. Furthermore, deterioration due to aging and future increases in legal loads can compound this situation. In this setting, there is a lack of data-driven …

Machine Learning-Based Bridge Load Posting Prediction, Sai Naga Sasi Aditya Bandaru

LSU Master's Theses

1600 (12%) of Louisiana's 13,000 bridges that allow the passage of people, goods, and services are load posted, meaning they are deemed incapable of securely carrying all legal loads. A machine learning framework for estimating the number of load-posted bridges within a regional bridge portfolio would be extremely valuable in the future for allocating essential resources during long-term planning. A framework of this type is necessary since a significant proportion of the bridges are load posted. Furthermore, deterioration due to aging and future increases in legal loads can compound this situation. In this setting, there is a lack of data-driven …

Preventing Brand Activism From Backfiring: How The Use Of An Ingroup Model Can Limit The Negative Effects Of One-Time Csr History, Cole C. Dunnam

LSU Master's Theses

Brands are beginning to engage in corporate social advocacy (CSA) with social movements to form deeper connections with their audience, but not all are successful. This thesis asks why a brand’s target audience considers some CSA campaigns as more authentic than others. In Study I, I use Twitter data to conduct an exploratory analysis that applies existing research to two extreme CSA cases: Nike’s Emmy-winning “Dream Crazy” campaign starring Colin Kaepernick and Pepsi’s unsuccessful “Live for Now– Moments” campaign starring Kendall Jenner. Pepsi failed despite its history of corporate social responsibility (CSR) initiatives. I suggest that group identity theory impacts …

Reading And Understanding: A Defense Of Heideggerian Hermeneutics And Philogy, Phillip M. Gandy

LSU Master's Theses

This paper addresses methodologies espoused by the hermeneutic tradition begun under Martin Heidegger. I argue for the methodologies of Philology, Destruktion and the use of poetic language in order to understand and communicate fundamental truths about Dasein. I demonstrate that these methods provide us, hermeneutically, with a closer and more precise understanding than simple communication in common speech.

Public Safety Response For Persons With Serious Mental Illness: A Systematic Review Of Literature, Ashley Bailey

LSU Master's Theses

There are 13.1 million adults living with serious mental illness (SMI) in the United States. It is estimated that 356,000 people with SMI are incarcerated in the United States. Many advocates believe that police reform/alternatives to traditional policing could assist in lowering incarceration rates among persons with SMI, and improve outcomes for both the officer and the person with SMI during police contact.

Does Chronic Risperidone Administration Affect Food Reinforcement In Adulthood In Mice?, Francis Torres, Paul Soto

LSU Master's Theses

Second-generation antipsychotics (SGAs) increase weight gain and food consumption in humans and non-human animals. It has been speculated that SGAs increase the reinforcing effects of food, which increases food consumption and drives weight gain. The current study evaluated the effects of risperidone on sucrose reinforcement in male and female C57BL/6J mice using economic demand assessments. Demand for sucrose was measured by varying the fixed ratio (FR) value required to produce sucrose delivery across experimental sessions using five FR values: 1, 5, 15, 30, and 45. The effects of acute risperidone administration on demand for sucrose were first assessed by orally …

Musculoskeletal Markers: A Comparison Of The Influence Of Three Biological Factors On Robusticity, Megan Greene

LSU Master's Theses

Research suggests that musculoskeletal markers (MSMs) can provide information about the lives of deceased individuals. The majority of studies focus on single factors that influence the morphology of MSMs in pre-modern societies (i.e., medieval, hunter-gatherers, preindustrial, etc.). This study analyzes MSMs of modern skeletons of 72 females and 83 males from the United States whose ages at death range from 30 to 89 to understand the relationship between various biological factors and MSM morphology. Eight MSMs (attachments of pectoralis major, deltoid, brachialis, supinator, iliopsoas, gluteus maximus, quadriceps, and soleus) were analyzed and categorized as phases zero, one, two, or three …

Development And Characterization Of Physicochemical Properties And Consumer Perception Of Gluten-Free Oat-Based Snack Bars Containing Orange Peel, Andrea R. Muela Negrete

LSU Master's Theses

Orange peel (OP) is a major byproduct from orange juice production, and is a good source of fiber and flavonoids, particularly nobiletin. Nobiletin has been reported to exhibit pharmacological activities including anti-inflammation and antioxidation. Incorporating orange peel into food products would harness economic benefit of this industrial byproduct and support a sustainable food chain. This study was performed to evaluate consumer perception of gluten-free oat-based snack bars (GFOSBs) containing orange peel.

In the first study three GFOSBs were formulated to contain 17%, 20%, and 23% orange peel by weight. Consumers (N=103) evaluated GFOSBs for sensory liking (9-point hedonic scale) and …

Acknowledgement, Education, Memory: Reframing The Cemetery Landscapes Of The Enslaved, Aubrey L. Phillips

LSU Master's Theses

The landscape holds onto the nearly imperceivable cemeteries of the formerly enslaved population that have been erased through time, development, and censure of historical narratives in Louisiana. Immediate action is necessary to retie censured chronicles of enslavement to the landscape, educating the public on deep-rooted systemic racism in the contemporary environment. This thesis aims to provide reparations to the Black and descendant communities of southern Louisiana. This work acknowledges the remaining cemetery fragments, reframing and knitting them together as a network of spaces that uphold a more holistic memory of the past.

The role of landscape architecture extends beyond site …

Storytelling As Design Methodology: Reclaiming Little Manila's Urban Landscape Identity, Alyssa M. Gill

LSU Master's Theses

My thesis explores how landscape design can improve its methods of reclaiming lost cultural stories in the urban landscape, using the example of the Filipino American neighborhood known as Little Manila in Stockton, California. Through interpreting both stories and narratives that surround the neighborhood, I propose a basis for landscape design inspiration that focuses on oral history and lived experience. Using this understanding I propose to design a landscape within in the Little Manila Historic Site that celebrates the community’s history while providing public space for continued community use.

My work focuses on the area of Downtown Stockton that earned …

Sedimentation Processes In A Dredge Pit And Surrounding Environment In Northern Gulf Of Mexico, Adam M. Gartelman

LSU Master's Theses

Louisiana’s Coastal Protection and Restoration Authority has been using dredged sand from onshore and offshore sites for barrier island restoration and beach nourishment projects. Caminada dredge pit (CDP) located on eastern Ship Shoal in inner Louisiana shelf underwent two increments in 2014 and 2016, with material used to restore Caminada Headland and nearby areas. Multiple pits in East Terrebonne borrow areas (ET) right next to CDP were then used for East Timbalier Island and other barrier islands near Terrebonne Bay. ET1, north of CDP, was dredged in 2020, and ET2, west of CDP, was dredged in 2020 and 2021 used …

Malware And Memory Forensics On M1 Macs, Charles E. Glass

LSU Master's Theses

As malware continues to evolve, infection mechanisms that can only be seen in memory are increasingly commonplace. These techniques evade traditional forensic analysis, requiring the use of memory forensics. Memory forensics allows for the recovery of historical data created by running malware, including information that it tries to hide. Memory analysis capabilities have lagged behind on Apple's new M1 architecture while the number of malicious programs only grows. To make matters worse, Apple has developed Rosetta 2, the translation layer for running x86_64 binaries on an M1 Mac. As a result, all malware compiled for Intel Macs is theoretically functional …

New Chemoselective Dehydration And Cyclization Strategies Enabled By Triphosgene, Moshood Oreofeoluwa Ganiu

LSU Doctoral Dissertations

Since Friedrich Wöhler’s synthesis of urea in 1828, the techniques of organic synthesis have developed and advanced greatly. This advancement has facilitated the discovery of new organic synthetic methods, and enabled access to a more expansive chemical space. The purpose of this dissertation is to present the development of new organic synthetic reactions that were uncovered through previous discoveries. Additionally, the main theme of this work relies on exploiting the versatility of triphosgene in organic synthesis. To this end, the developed chemistries rely on the ability of triphosgene to serve as an activating agent, and a chloride source.

Chapter 1 …

Cross-Issue Agenda Setting From Racism To Immigration: Spreading Activation Or Group Threat?, Martina Santia

LSU Doctoral Dissertations

Little research to date offers evidence for the “cross-issue agenda setting effect,” that is transfer of salience from media coverage of racism to perceived importance of immigration. Laboratory experiments afford the opportunity to facilitate causal inference in determining whether this cross-issue effect is due to a cognitive mechanism of spreading activation (as conventionally assumed in agenda setting research) or to a cumulative, affective process driven by perceived threat to a certain identity group. Observational data, on the other hand, allow to externally validate the experimental results beyond the constrained settings typical of laboratory experimentation.

This dissertation combines the strengths of …

From The Mouths Of Women: The Life Model Of Homelessness, Janeal M. White

LSU Doctoral Dissertations

The purpose of this study was to identify commonalities in life events preceding a first episode of homelessness for women living in shelters in Texas. This built on the work of Nooe & Patterson (2010) who identified fourteen factors that contributed to increased risk of homelessness as visualized in the Ecology of Homelessness. While based on existing literature at the time, Nooe & Patterson may not have heard clearly the voices of women with lived experience. The current study sought to explore how these risk factors manifest in the lived experiences of women residing in Texas homeless shelters.

The significance …

Data Mining And Knowledge Discovery In Chemical Processes: Effect Of Alternative Processing Techniques, Luis A. Briceno-Mena, Miriam Nnadili, Michael G. Benton, Jose A. Romagnoli

Faculty Publications

Data mining and knowledge discovery (DMKD) focuses on extracting useful information from data. In the chemical process industry, tasks such as process monitoring, fault detection, process control, optimization, etc., can be achieved using DMKD. However, the selection of the appropriate method for each step in the DMKD process, namely data cleaning, sampling, scaling, dimensionality reduction (DR), clustering, clustering analysis and data visualization to obtain meaningful insights is far from trivial. In this contribution, a computational environment (FastMan) is introduced and used to illustrate how method selection affects DMKD in chemical process data. Two case studies, using data from a simulated …

A Case Study Of Protecting Bridges Against Overheight Vehicles, Aly Mousaad Aly, Marc Hoffmann

Faculty Publications

Most transportation departments have recognized and developed procedures to address the ever-increasing weights of trucks traveling on bridges in service today. Transportation agencies also recognize the issues with overheight vehicles’ collisions with bridges, but few stakeholders have definitive countermeasures. Bridges are becoming more vulnerable to collisions from overheight vehicles. The exact response under lateral impact force is difficult to predict. In this paper, nonlinear impact analysis shows that the degree of deformation recorded through the modeling of the unprotected vehicle-girder model provides realistic results compared to the observation from the US-61 bridge overheight vehicle impact. The predicted displacements are 0.229 …

Celebrating Wetland Foodways: Joining Ecosystems & Cultures On The Louisiana Gulf Coast, Deborah La Rue

LSU Master's Theses

Coastal Louisiana is bountiful in cultural and ecological diversity. Spotted with thriving estuaries, meandering bayous and swamps, and rippling grasses of coastal marshes, these wetland ecosystems sequester carbon, purify floodwaters, and buffer against storm surge. Historically, southern wetland landscapes have offered refuge to people of many folk and ethnic traditions escaping violence and oppression. Until the mid-twentieth century, the people living in present-day Terrebonne and Lafourche parishes enjoyed relative isolation from the rest of America, constructing cultural practices that emphasized attachment to wetland plants, animals, and ecosystem dynamics.

Today, changing environmental conditions and high rates of relative sea level rise …