Digital Commons Network^™

Energetic Budget Of Diploid And Triploid Eastern Oysters During A Summer Die-Off, Sarah Bodenstein, Sandra M. Casas, Terrence R. Tiersch, Jerome F. La Peyre

Faculty Publications

Triploid oysters are widely used in off-bottom aquaculture of eastern oysters, Crassostrea virginica. However, farmers of the Gulf of Mexico (GoM) and Atlantic coast estuaries have observed unresolved, late-spring die-offs of triploid oysters, threatening the sustainability of triploid aquaculture. To investigate this, the physiological processes underlying oyster growth (e.g., feeding, respiration) and mortality of one-year-old diploid and triploid oysters were compared in early summer following an uptick in mortality. It was predicted that higher triploid mortality was the result of energetic imbalances (increased metabolic demands and decreased feeding behavior). Oyster clearance rates, percentage of time valves were open, absorption efficiency, …

Sodium Propionate Or Sodium Butyrate Promotes Fatty Acid Oxidation In Hepg2 Cells Under Oxidative Stress, Kristina J. Cook, Ann Coulter, Michael Keenan, Frank Greenway, Jack N. Losso

Faculty Publications

The beneficial effects of sodium butyrate (NaB) and sodium propionate (NaP) on fatty acid oxidation (FAO) genes and production of proinflammatory cytokines related to nonalcoholic fatty liver disease (NAFLD) were evaluated using HepG2 human liver hepatocellular carcinoma cells exposed to palmitate/oleate or lipopolysaccharides (LPSs) as a model. The results showed that NaP or NaB was able to promote FAO, regulate lipolysis, and reduce reactive oxygen species production by significantly increasing the mRNA expression of peroxisome proliferator-activated receptor gamma coactivator 1 alpha (PGC-1α), peroxisome proliferator-activated receptor alpha (PPARα), adipose triglyceride lipase (ATGL), carnitine palmitoyltransferase 1 alpha (CPT1α), fibroblast growth factor 21 …

Novel Liquor-Based Hot Sauce: Physicochemical Attributes, Volatile Compounds, Sensory Evaluation, Consumer Perception, Emotions, And Purchase Intent, Ricardo S. Aleman, Jhunior A. Marcía, Ismael Montero-Fernández, Joan King, Shirin Kazemzadeh Pournaki, Roberta Targino Hoskin, Marvin Moncada

Faculty Publications

Hot sauces are popular peppery condiments used to add flavor and sensory excitement to gastronomical preparations. While hot sauce occupies a retail category well over a century old, a novel production method using liquor as the base preservative rather than traditional vinegar is now commercially available, and its uniqueness begs study. Hot sauces produced with tequila, rum, vodka, and bourbon were compared to traditional vinegar-based hot sauces concerning physicochemical properties, volatile compounds, microbiological quality, sensory scores, emotions, and purchase intent (PI). Under accelerated conditions, pH, titratable acidity (TA), water activity (Aw), viscosity, and color were analyzed weekly for 20 weeks, …

Part I — Introduction: Social Physics And The Vespace Project, Jeffrey M. Leichman, Ben Samuel

Faculty Publications

This article introduces the VESPACE project, an international, multi-disciplinary digital humanities initiative to build a computer-mediated playable simulation—a video game—of the eighteenth-century Paris Fair theatre. As part of this project, a weeklong postgraduate workshop was convened by the authors in May 2020 to develop protocols and procedures for coding literary and historical data for the Ensemble social physics engine that will govern behaviour of non-player characters (NPCs) in the interactive model. This article lays out the history and theory of social physics, the potential impacts of this project on historiographic practice, and the methodology and outcomes of the workshop week. …

The Rise Of Native Lordships At Pashash, A.D. 200–600, North Highlands Of Ancash, Peru, George F. Lau, Milton Luján Dávila, Jacob L. Bongers, David Chicoine

Faculty Publications

This article examines the rise of native, segmentary lordships in the highlands of north-central Peru. It reports on new excavations and mapping at the seat of a prehispanic polity, Pashash (Recuay culture), a large hilltop center that developed after the collapse of Chavín civilization. Fieldwork revealed monumental constructions and two special activity contexts radiocarbon-dated to ca. a.d. 200–400: an offering area in a large palatial compound and a room-complex with chambers closed off and sealed with feasting refuse. Multiple lines of evidence help reconstruct a regional picture for the establishment of wealthy local elites. Cultural innovations explicitly link new leaders …

Briquetage And Brine: Living And Working At The Classic Maya Salt Works Of Ek Way Nal, Belize, Heather Mckillop, E. Cory Sills

Faculty Publications

Systematic flotation survey and spatial analysis of artifacts at the submerged salt work of Ek Way Nal reveal evidence of a residence, salt kitchens, and additional activities. Ek Way Nal is one of 110 salt works associated with a Late to Terminal Classic (A.D. 600-900) salt industry known as the Paynes Creek Salt Works. Wooden posts that form the walls of 10 buildings are remarkably preserved in a peat bog below the sea floor providing an opportunity to examine surface artifacts in relation to buildings. Numerous salt kitchens have been located at the Paynes Creek Salt Works by evidence of …

Disparities In Spatial Accessibility Of Primary Care In Louisiana: From Physical To Virtual Accessibility, Fahui Wang, Yutian Zeng, Lingbo Liu, Tracy Onega

Faculty Publications

Telehealth has been widely employed and has transformed how healthcare is delivered in the United States as a result of COVID-19 pandemic. While telehealth is utilized and encouraged to reduce the cost and travel burden for access to healthcare, there are debates on whether telehealth can promote equity in healthcare services by narrowing the gap among diverse groups. Using the Two-Step Floating Catchment Area (2SFCA) and Two-Step Virtual Catchment Area (2SVCA) methods, this study compares the disparities of physical and virtual access to primary care physicians (PCPs) in Louisiana. Both physical and virtual access to PCPs exhibit similar spatial patterns …

A Cyclically Adjusted Spatio-Temporal Kernel Density Estimation Method For Predictive Crime Hotspot Analysis, Ya Han, Yujie Hu, Haojie Zhu, Fahui Wang

Faculty Publications

This paper presents a new method for predictive crime hotspot analysis that further improves the kernel density estimation (KDE) method and the spatio-temporal kernel density estimation (STKDE) method by accounting for temporal crime cycles and is therefore termed the ‘cyclically adjusted STKDE (cSTKDE) method’. The case study on robbery incidents in Baton Rouge, Louisiana, shows a temporal cycle with a 6-month period of statistical significance from January 2010 to May 2018. This identified period is incorporated into the temporal kernel function of the new cSTKDE method. For validation, the Forecast Accuracy Index (FAI) and Forecast Precision Index (FPI) are used …

Exploring The Spatial Autocorrelation In Soil Moisture Networks: Analysis Of The Bias From Upscaling The Texas Soil Observation Network (Txson), Yaping Xu, Cuiling Liu, Lei Wang, Lei Zou

Faculty Publications

Microwave remote sensing such as soil moisture active passive (SMAP) can provide soil moisture data for agricultural and hydrological studies. However, the scales between station-measured and satellite-measured products are quite different, as stations measure on a point scale while satellites have a much larger footprint (e.g., 9 km). Consequently, the validation for soil moisture products, especially inter-comparison between these two types of observations, is quite a challenge. Spatial autocorrelation among the stations could be a contribution of bias, which impacts the dense soil moisture networks when compared with satellite soil moisture products. To examine the effects of spatial autocorrelation to …

Reconsidering The Good Of Improving Accountability, Roy L. Heidelberg

Faculty Publications

Among the rhetorical pleas that follow most instances of public dissatisfaction is the call for more or better accountability. Accountability is a lauded notion, a “golden concept” that is considered widely as critical to the success of democratic government. Such pleas, I will argue, are misplaced. Rather than starting from the premise of accountability as an idea that no one can be against, I consider the possibility that accountability undermines the very notion it ostensibly promotes: self-government. The concept of accountability in modern political theory is tied more closely to the emergence of an impersonal administrative state than it is …

Between Black Mothers And Daughters: A Critical Intergenerational Duoethnography On The Silence Of Health Disparities And Hope Of Loud Healing, Asha S. Winfield, Hope Hickerson, Deshara C. Doub, Ann R. Winfield, Brigitte Mcphatter

Faculty Publications

Introduction: Black American women's health outcomes have been altered by a number of factors. Those factors include social determinants of health, lack of culturally competent healthcare providers, and generations of medical racism leading to prolonged pain, delayed care, and sometimes, untimely deaths. Methods: This original research article centers Southern Black women's lived experiences through family storytelling. We explored generations of health narratives in regard to age, region, and at times, their own acts of silence. Building from theorizing on loud healing, two Black daughters turned the mic on for their mothers by engaging in a critical intergenerational double duoethnography to …

Prep On Tiktok: Benefits, Barriers, And Possibilities, Joseph Schwartz, Josh Grimm, Cameron Jamison

Faculty Publications

HIV remains a serious problem in the U.S. particularly for men who have sex with men. PrEP is an intervention that can dramatically decrease the risk of HIV infection. Because rates of PrEP adoption have been lower than anticipated, researchers have called for new tactics for promoting PrEP. For this reason, we analyzed PrEP messaging on TikTok. In an analysis guided by the Health Belief Model, we found that discussions of PrEP benefits and barriers were most common on TikTok. Severity and susceptibility were least common. We distilled these findings into suggestions for promoting PrEP adoption.

In Search Of Founding Era Registers: Automatic Modeling Of Registers From The Corpus Of Founding Era American English, Liina Repo, Brett James Hashimoto, Veronika Laippala

Faculty Publications

Registers are situationally defined text varieties, such as letters, essays, or news articles, that are considered to be one of the most important predictors of linguistic variation. Often historical databases of language lack register information, which could greatly enhance their usability (e.g. Early English Books Online). This article examines register variation in Late Modern English and automatic register identification in historical corpora. We model register variation in the corpus of Founding Era American English (COFEA) and develop machine-learning methods for automatic register identification in COFEA. We also extract and analyze the most significant grammatical characteristics estimated by the classifier for …

The Impact Of Reflection On Experience Type Perceptions, Mat D. Duerden, Camilla Hodge, Karen Melton, Aubrey Rushton, Lexi Anderson, Madison Bagley

Faculty Publications

Whether an experience is perceived as ordinary or extraordinary (i.e., memorable, meaningful, transformational) (Duerden et al., 2018) depends on a variety of potential factors including but not limited to time, social connection, and reflection. The purpose of this experimental study was to assess how activity type, social connection, and reflection type influences exper ience type, ordinary versus extraordinary, perceptions overtime. Data was collected from 209 undergraduates using a 4x4 experimental design. Participants engaged in one of four different 20-minute activities based upon Melton's (2017) family activity model (e.g., core:parallel, core:joint, balance:parallel, and balance:joint). Each activity was run for four different …

Blockchain In Supply Chain Management: A Feature-Function Framework For Future Research, James C. Brau, John Gardner, Hugo A. Decampos, Krista Gardner

Faculty Publications

Purpose – Blockchain technology offers numerous venues for supply chain applications and research. However, the connections between specific blockchain features and future applications have been unclear to date in its evolution. The purpose of this study is to fill this void.

Design/methodology/approach – The authors advance the understanding of blockchain in supply chain management by providing a new research framework built on unique blockchain features as applied across core supply chain functions.

Findings – This study’s framework is a feature-function matrix that integrates four overarching supply chain functions (i.e. supplier management, logistics, production processes and customer management) with nine blockchain …

U.S. College Students’ Perspectives On Contraception And Abortion Post-Dobbs: The Influence Of Socioeconomic Privilege And Gender Inequity, Emily S. Mann, Jessica A. Mclennan, Kathleen Broussard

Faculty Publications

This study examined college students’ perspectives about contraception and abortion in the context of the United States Supreme Court’s decision to eliminate the constitutional right to abortion in June 2022. Individual, semi-structured interviews were conducted between October 2022 and February 2023 with a convenience sample of 20 college students, ages 18–22, attending a public university in the southeastern United States. Qualitative data analysis revealed three main themes. First, most participants conveyed fear, dismay, and anger about the decision in Dobbs v. Jackson Women’s Health Organization to overturn Roe v. Wade and a few expressed concerns about potential restrictions on contraception. …

U.S. Travelers’ Perceived Image Of Latin America As Their Future Travel Destination, Maricela I. Montes-Guerra, Natalia Zapata-Cuervo, Miyoung Jeong

Faculty Publications

This study identified U.S. travelers’ perceptions toward Latin America as their future place to visit, based on their perceived destination attributes, activities, and overall affective image. Selecting nine attractive destinations, this study aimed, first, to develop U.S. travelers’ perceptual mapping of countries by using destination image attributes and activities, second, to determine comparative strengths and weaknesses, and third, to propose destination marketing strategies that will derive U.S. travelers' attention to the country. Overall, Americans have favorable affective image toward the nine tourism destinations in Latin America. Costa Rica was respondents’ most preferred country to visit, followed by Peru and Brazil.

Natural Dyeing With Madder: Exploring Traditional Techniques And Color Characteristics, Guangguo Tian, Rongrong Cui, Chuanlan Liu, Xiaorui Hu

Faculty Publications

The color red has a significant presence in cultures around the world. The organic dye madder, derived from plants, has been used throughout human civilization and remains an important natural dye. The research reviews five traditional madder dyeing techniques from China, Europe, Turkey, and Japan. The techniques are applied to cotton, linen, silk, and wool fabrics, and their similarities and differences are compared and analyzed. Additionally, the environmental sustainability, resource conservation, and process efficiency of these dyeing techniques are also evaluated in this article. The chromatic value of dyed textile color was tested by means of an American Hunterlab spectrophotometer, …

Investigating Consumer Values Of Secondhand Fashion Consumption In The Mass Market Vs. Luxury Market: A Text-Mining Approach, H. M.Rakib Ul Hasan, Chunmin Lang, Sibei Xia

Faculty Publications

The purpose of this research is to investigate consumer values of secondhand fashion (SHF) consumption from online platforms in both the mass market and luxury market. The luxury SHF business is closely related to the business of SHF mass market. A cross-market value analysis would provide better insights to understand consumers’ motivations to purchase secondhand fashion products. Three mass-market SHF companies and three luxury SHF companies were selected as sample companies based on their revenues in the U.S. market. Consumers’ comments and reviews from a third-party business review site, trustpilot.com, were collected using the web-scraping technique. Recurrent Neural Network (RNN) …

The Two Title Ixs, Emily Suski

Faculty Publications

No abstract provided.

Leadership Styles In Childcare Directors, Michelle Grantham-Caston, Cynthia Fontcuberta Dicarlo

Faculty Publications

Leadership is of paramount importance to any organization, as leaders can set the tone for the organization’s employees. The path to leadership in childcare can be markedly different from other professions, as there is no qualifying criteria; however, previous research has identified that for leaders to be effective they must possess skills, characteristics, and traits of effective leadership. The present study used The Multifactor Leadership Questionnaire (MLQ) (in Bass and Avolio, Multifactor leadership questionnaire (TM), Mind Garden, Inc., Menlo Park, 1995) with childcare directors to determine their self-identified leadership styles including transformational, transactional, and passive/avoidant to determine if their leadership …

Lidar-Change-Based Mapping Of Sediment Movement From An Extreme Rainfall Event, Silvia E. Piovan, Michael E. Hodgson, Paolo Mozzi, Dwayne E. Porter, Bryan Hall

Faculty Publications

Mapping landscape change at fine scales (e.g. < 1.0 m resolution) using airborne LiDAR data from manned aircraft is a significant challenge. This challenge is magnified in disaster response contexts. A combination of collection and processing factors contributes to horizontal and vertical errors (and resulting uncertainty) in each pre- and post-LiDAR derived digital elevation model (DEM). Subsequently, the errors in the change surface from the two (or more) DEMs are an accumulation of the errors in the individual DEMs. Thus, reliable mapping erosion/deposition changes at sub-meter precision in change detection studies using LiDAR data is largely the domain of terrestrial LiDAR or sUAS with LiDAR scanners rather than manned aircraft. Unfortunately, terrestrial and sUAS LiDAR scanners are not well suited for mapping large areas and sUAS collections are subject to additional airspace constraints compared to manned aircraft. In this study, we probed one of the significant issues in airborne LiDAR change projects–vertical height errors from sequential flight lines. A simplified solution for determining flight line vertical biases in areas of low topographic relief with natural cover types was developed and tested for normalizing point clouds. The approach was tested in a fine-scale erosion/deposition study from an extreme rainfall event that eroded and deposited sand at depths of about 1.0 m. Airborne LiDAR had been collected prior to the rainfall event, and another airborne LiDAR collection was made 1 month after the event. Eleven field campaigns to collect reference data and visit anomalies in the change surface were conducted in a 15-month period after the event, beginning 25 February 2016 and ending 8 May 2017. The validation results indicate accuracies for the pre-event and post-event LiDAR derived DEMs were 7.8 cm and 13.0 cm RMSE, respectively. After modeling vertical errors and corrections applied to the post-event point clouds, the RMSE for the post-event DEM was 8.3 cm. In the depositional use case, 27 locations were sampled with auger boreholes/sand pits and compared with LiDAR-based change. The LiDAR-based change detection analysis resulted in predicted sand depth accuracies of 94% with a mean error of 4.7 cm.

The Private Law Of Stablecoins, Kara J. Bruce, Christopher K. Odinet, Andrea Tosato

Faculty Publications

Stablecoins are one of the cornerstones of the crypto world. They’ve attracted significant attention from major players over the past few years, ranging from Wall Street to kitchen-table investors, and even the White House. As a less volatile alternative to crypto-assets like bitcoin, stablecoins have the potential to change the way we make payments, unlock the groundwork needed for more blockchain-based applications, and even reorient the economy toward private money. But how stable are these stablecoins, really? Can they be relied upon in the way their many proponents claim? And how much of the popular beliefs about stablecoins match their …

Planetary Protection: An International Concern And Responsibility, Athena Coustenis, Niklas Hedman, Peter T. Doran, Omar Al Shehhi, Eleonora Ammannito, Masaki Fujimoto, Olivier Grasset, Frank Groen, Alexander G. Hayes, Vyacheslav Ilyin, K. Praveen Kumar, Caroline Emmanuelle Morisset, Christian Mustin, Karen Olsson-Francis, Jing Peng, Olga Prieto-Ballesteros, Francois Raulin, Petra Rettberg, Silvio Sinibaldi, Yohey Suzuki, Kanyan Xu, Maxim Zaitsev

Faculty Publications

Planetary protection is a set of measures agreed upon at an international level to ensure the protection of scientific investigation during space exploration. As space becomes more accessible with traditional and new actors launching complex and innovative projects that involve robotics (including sample return) and human exploration, we have the responsibility to protect the pristine environments that we explore and our own biosphere. In this sense, the Committee on Space Research (COSPAR) provides the international standard for planetary protection as well as a forum for international consultation. COSPAR has formulated a Planetary Protection Policy with associated requirements for responsible space …

Creating Continents: Archean Cratons Tell The Story, Carol D. Frost, Paul A. Mueller, David W. Mogk, B. Ronald Frost, Darrell J. Henry

Faculty Publications

The record of the first two billion years of Earth’s history (the Archean) is notoriously incomplete, yet crust of this age is present on every continent. Here we examine the Archean record of the Wyoming craton in the northern Rocky Mountains, USA, which is both well-exposed and readily accessible. We identify three stages of Archean continental crust formation that are also recorded in other cratons. The youngest stage is characterized by a variety of Neoarchean rock assemblages that are indistinguishable from those produced by modern plate-tectonic processes. The middle stage is typified by the trondhjemite-tonalite-granodiorite (TTG) association, which involved partial …

Monitoring Of Wave, Current, And Sediment Dynamics Along The Chincoteague Living Shoreline, Virginia, Hongqing Wang, Qin Chen, Nan Wang, William D. Capurso, Lukasz M. Niemoczynski, Ling Zhu, Gregg A. Snedden, Kevin S. Holcomb, Bowdoin W. Lusk, Carol A. Wilson, Sean R. Cornell

Faculty Publications

Nature-based features, also called living shorelines, are increasingly applied in coastal protection and restoration. However, the processes and mechanisms (feedbacks and interactions) of wave attenuation, current velocity change, and sediment deposition and erosion along the living shoreline remain unclear, thus limiting the adaptive management of living shoreline restoration projects for coastal shoreline resilience under future storm conditions. In this study, wave, current, and sediment dynamics along the Little Toms Cove living shoreline, Chincoteague National Wildlife Refuge, Virginia, a low wave energy environment, were investigated during a 2-month winter period in 2019 to examine the effects of living shoreline structures on …

“Wilfrid Sellars And Pragmatism”, Willem A. Devries

Faculty Publications

A brief survey of Wilfrid Sellars' relation to Pragmatism, focusing on the priority of the practical in the constitution of meaning, the critique of the given, and sociality of thought and inquiry.

Where The Action Is: Positioning Matters In Interaction, Danielle M. Pillet-Shore

Faculty Publications

Position matters. As a conversation analyst examining any form of recorded synchronous human interaction – be it casual or institutional – I constantly monitor for, and organize my collections of target phenomena around structural position: Where on a transcript and when in an unfolding real-time encounter does a participant enact some form of conduct? Because conversation analysis (CA) is primarily focused upon action sequences, I use CA methods to examine the ways in which participants’ audible utterances and visible body-behaviors accomplish particular social actions due at least in part to their positioning within a sequence of interaction – …

Cultivating A Data Literate Workforce: Considerations For Librarians, Wendy G. Pothier, Patricia Condon

Faculty Publications

No abstract provided.

A Russian Gil Blas, Or The Adventures Of Prince Gavrilo Simonovich Chistyakov, Vasily Trofimovich Narezhny, Ronald D. Leblanc (Translator)

Faculty Publications

Although Vasily Trofimovich Narezhny (1780-1825) is generally considered to be one of the pioneers of the modern novel in Russia, his works have yet to be sufficiently recognized for their many artistic merits. He receives little critical attention in most histories of the rise of the novel in early nineteenth-century Russia. Born in Ukraine, but educated in Moscow, Narezhny wrote lengthy satirical novels imbued with a sardonic tone and an earthy brand of realism that tended to offend the refined aesthetic sensibilities of many contemporary followers of Nikolai Karamzin and his dominant school of literary Sentimentalism during the early years …