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Articles 1981 - 2010 of 45702
Full-Text Articles in Entire DC Network
When Old Meets New: Two Louisiana State University Outreach Librarians Build, Work, And Learn Together To Support Collaborative Student Engagement, Alia Kempton, Mitch Fontenot
When Old Meets New: Two Louisiana State University Outreach Librarians Build, Work, And Learn Together To Support Collaborative Student Engagement, Alia Kempton, Mitch Fontenot
Faculty Publications
No abstract provided.
Scintillation Light In Sbnd: Simulation, Reconstruction, And Expected Performance Of The Photon Detection System, C. Zhang, J. Zennamo, B. Zamorano, J. Yu, B. Yu, L. Yates, T. Yang, E. Yandel, S. Yadav, M. Worcester, E. Worcester, T. Wongjirad, P. Wilson, A. Wilkinson, A. White, T. Wester, H. Wei, M. Weber, L. Wan, A. Vázquez-Ramos, R. G. Van De Water, G. A. Valdiviesso, L. Tung, C. Touramanis, M. Toups, D. Totani, A. M. Szelc, T. Strauss, G. V. Stenico, M. Stancari, N. J.C. Spooner, J. Spitz, S. Söldner-Rembold
Scintillation Light In Sbnd: Simulation, Reconstruction, And Expected Performance Of The Photon Detection System, C. Zhang, J. Zennamo, B. Zamorano, J. Yu, B. Yu, L. Yates, T. Yang, E. Yandel, S. Yadav, M. Worcester, E. Worcester, T. Wongjirad, P. Wilson, A. Wilkinson, A. White, T. Wester, H. Wei, M. Weber, L. Wan, A. Vázquez-Ramos, R. G. Van De Water, G. A. Valdiviesso, L. Tung, C. Touramanis, M. Toups, D. Totani, A. M. Szelc, T. Strauss, G. V. Stenico, M. Stancari, N. J.C. Spooner, J. Spitz, S. Söldner-Rembold
Faculty Publications
SBND is the near detector of the Short-Baseline Neutrino program at Fermilab. Its location near to the Booster Neutrino Beam source and relatively large mass will allow the study of neutrino interactions on argon with unprecedented statistics. This paper describes the expected performance of the SBND photon detection system, using a simulated sample of beam neutrinos and cosmogenic particles. Its design is a dual readout concept combining a system of 120 photomultiplier tubes, used for triggering, with a system of 192 X-ARAPUCA devices, located behind the anode wire planes. Furthermore, covering the cathode plane with highly-reflective panels coated with a …
A Quantitative Adverse Outcome Pathway For Embryonic Activation Of The Aryl Hydrocarbon Receptor Of Fishes By Polycyclic Aromatic Hydrocarbons Leading To Decreased Fecundity At Adulthood, Jon A. Doering, Justin Dubiel, Eric Stock, Cameron H. Collins, Ian Frick, Hunter M. Johnson, Christopher M. Lowrey-Dufour, Justin G.P. Miller, Zhe Xia, Gregg T. Tomy, Steve Wiseman
A Quantitative Adverse Outcome Pathway For Embryonic Activation Of The Aryl Hydrocarbon Receptor Of Fishes By Polycyclic Aromatic Hydrocarbons Leading To Decreased Fecundity At Adulthood, Jon A. Doering, Justin Dubiel, Eric Stock, Cameron H. Collins, Ian Frick, Hunter M. Johnson, Christopher M. Lowrey-Dufour, Justin G.P. Miller, Zhe Xia, Gregg T. Tomy, Steve Wiseman
Faculty Publications
Quantitative adverse outcome pathways (qAOPs) describe the response–response relationships that link the magnitude and/or duration of chemical interaction with a specific molecular target to the probability and/or severity of the resulting apical-level toxicity of regulatory relevance. The present study developed the first qAOP for latent toxicities showing that early life exposure adversely affects health at adulthood. Specifically, a qAOP for embryonic activation of the aryl hydrocarbon receptor 2 (AHR2) of fishes by polycyclic aromatic hydrocarbons (PAHs) leading to decreased fecundity of females at adulthood was developed by building on existing qAOPs for (1) activation of the AHR leading to early …
Insurance Coverage And Flood Exposure In The Gulf Of Mexico: Scale, Social Vulnerability, Urban Form, And Risk Measures, Anissa Hyde, Robert Habans, Mariam Valladares-Castellanos, Thomas Douthat
Insurance Coverage And Flood Exposure In The Gulf Of Mexico: Scale, Social Vulnerability, Urban Form, And Risk Measures, Anissa Hyde, Robert Habans, Mariam Valladares-Castellanos, Thomas Douthat
Faculty Publications
Increasing flood losses in the Gulf of Mexico related to development patterns and climate hazards pose serious threats to resilience and insurability. The purpose of this study is to understand how scale, social vulnerability, risk, and urban form relate to National Flood Insurance Program (NFIP) policy coverage and flood exposure. Our multilevel models identify that flooding is significantly clustered by region and counties, especially shoreline counties. Our measures of risk suggest that the Federal Emergency Management Agency (FEMA) special flood hazard area (SFHA) underestimates risk and exposure when compared with the Flood Factor and that there is some compensation in …
Prescribed Fire Regimes Influence Responses Of Fungal And Bacterial Communities On New Litter Substrates In A Brackish Tidal Marsh, Viet Q. Dao, Crystal N. Johnson, William J. Platt
Prescribed Fire Regimes Influence Responses Of Fungal And Bacterial Communities On New Litter Substrates In A Brackish Tidal Marsh, Viet Q. Dao, Crystal N. Johnson, William J. Platt
Faculty Publications
Processes modifying newly deposited litter substrates should affect fine fuels in fire-managed tidal marsh ecosystems. Differences in chemical composition and dynamics of litter should arise from fire histories that generate pyrodiverse plant communities, tropical cyclones that deposit wrack as litter, tidal inundation that introduces and alters sediments and microbes, and interactions among these different processes. The resulting diversity and dynamics of available litter compounds should affect microbial (fungal and bacterial) communities and their roles in litter substrate dynamics and ecosystem responses over time. We experimentally examined effects of differences in litter types produced by different fire regimes and litter loads …
Bimetallic Catalyst System For The Degradation Of Pcbs In Sediments, Balamurugan Subramanian, Dean Lay, Souhail R. Al-Abed, John L. Mckernan, Slawomir Lomnicki
Bimetallic Catalyst System For The Degradation Of Pcbs In Sediments, Balamurugan Subramanian, Dean Lay, Souhail R. Al-Abed, John L. Mckernan, Slawomir Lomnicki
Faculty Publications
In this paper, we report the successful application of a patent-pending reduced bimetallic nanoparticle catalytic system developed for the remediation of polychlorinated biphenyl (PCB)-contaminated sediment and aquatic media. The formation of bimetallic nanoparticles associated with the granular activated carbon (GAC) were confirmed by high-resolution transmission electron microscopy. X-ray photoelectron spectroscopy showed the presence of the bimetallic matrix in reduced, albeit mixed, states. In the degradation studies, the bimetallic nanoparticles were deposited on a GAC substrate and utilized to treat both a surrogate PCB, 2-Chlorobiphenyl (2-CBP) in water and contaminated bottom-river sediments collected from a site with mixed-congener PCB contamination. The …
Analysis Of Crab X-Ray Polarization Using Deeper Imaging X-Ray Polarimetry Explorer Observations, Josephine Wong, Tsunefumi Mizuno, Niccoló Bucciantini, Roger W. Romani, Yi Jung Yang, Kuan Liu, Wei Deng, Kazuho Goya, Fei Xie, Maura Pilia, Philip Kaaret, Martin C. Weisskopf, Stefano Silvestri, C. Y. Ng, Chien Ting Chen, Iván Agudo, Lucio A. Antonelli, Matteo Bachetti, Luca Baldini, Wayne H. Baumgartner, Ronaldo Bellazzini, Stefano Bianchi, Stephen D. Bongiorno, Raffaella Bonino, Alessandro Brez, Fiamma Capitanio, Simone Castellano, Elisabetta Cavazzuti, Stefano Ciprini, Enrico Costa, Alessandra De Rosa, Ettore Del Monte, Laura Di Gesu
Analysis Of Crab X-Ray Polarization Using Deeper Imaging X-Ray Polarimetry Explorer Observations, Josephine Wong, Tsunefumi Mizuno, Niccoló Bucciantini, Roger W. Romani, Yi Jung Yang, Kuan Liu, Wei Deng, Kazuho Goya, Fei Xie, Maura Pilia, Philip Kaaret, Martin C. Weisskopf, Stefano Silvestri, C. Y. Ng, Chien Ting Chen, Iván Agudo, Lucio A. Antonelli, Matteo Bachetti, Luca Baldini, Wayne H. Baumgartner, Ronaldo Bellazzini, Stefano Bianchi, Stephen D. Bongiorno, Raffaella Bonino, Alessandro Brez, Fiamma Capitanio, Simone Castellano, Elisabetta Cavazzuti, Stefano Ciprini, Enrico Costa, Alessandra De Rosa, Ettore Del Monte, Laura Di Gesu
Faculty Publications
We present Crab X-ray polarization measurements using Imaging X-Ray Polarimetry Explorer (IXPE) data with a total exposure of 300 ks, three times more than the initial 2022 discovery paper. Polarization is detected in three times more pulsar phase bins, revealing an S-shaped +40° polarization angle sweep in the main pulse and >1σ departures from the OPTIMA optical polarization in both pulses, suggesting different radiation mechanisms or sites for the polarized emission at the two wavebands. Our polarization map of the inner nebula reveals a toroidal magnetic field, as seen in prior IXPE analyses. Along the southern jet, the magnetic field …
Coupling And Recoupling Coefficients For Wigner’S U(4) Supermultiplet Symmetry, Phong Dang, Jerry P. Draayer, Feng Pan, Tomáš Dytrych, Daniel Langr, David Kekejian, Kevin S. Becker, Noah Thompson
Coupling And Recoupling Coefficients For Wigner’S U(4) Supermultiplet Symmetry, Phong Dang, Jerry P. Draayer, Feng Pan, Tomáš Dytrych, Daniel Langr, David Kekejian, Kevin S. Becker, Noah Thompson
Faculty Publications
A novel procedure for evaluating Wigner coupling coefficients and Racah recoupling coefficients for U(4) in two group–subgroup chains is presented. The canonical U(4)⊃U(3)⊃U(2)⊃U(1) coupling and recoupling coefficients are applicable to any system that possesses U(4) symmetry, while the physical U(4)⊃SUS(2)⊗SUT(2) coupling coefficients are more specific to nuclear structure studies that utilize Wigner’s supermultiplet symmetry concept. The procedure that is proposed sidesteps the use of binomial coefficients and alternating sum series and consequently enables fast and accurate computation of any and all U(4)-underpinned features. The inner multiplicity of a (S, T) pair within a single U(4) irreducible representation is obtained from …
X-Ray And Multiwavelength Polarization Of Mrk 501 From 2022 To 2023, Chien Ting J. Chen, Ioannis Liodakis, Riccardo Middei, Dawoon E. Kim, Laura Di Gesu, Alessandro Di Marco, Steven R. Ehlert, Manel Errando, Michela Negro, Svetlana G. Jorstad, Alan P. Marscher, Kinwah Wu, Iván Agudo, Juri Poutanen, Tsunefumi Mizuno, Pouya M. Kouch, Elina Lindfors, George A. Borman, Tatiana S. Grishina, Evgenia N. Kopatskaya, Elena G. Larionova, Daria A. Morozova, Sergey S. Savchenko, Ivan S. Troitsky, Yulia V. Troitskaya, Andrey A. Vasilyev, Alexey V. Zhovtan, Francisco José Aceituno, Giacomo Bonnoli, Víctor Casanova, Juan Escudero, Beatriz Agís-González, César Husillos
X-Ray And Multiwavelength Polarization Of Mrk 501 From 2022 To 2023, Chien Ting J. Chen, Ioannis Liodakis, Riccardo Middei, Dawoon E. Kim, Laura Di Gesu, Alessandro Di Marco, Steven R. Ehlert, Manel Errando, Michela Negro, Svetlana G. Jorstad, Alan P. Marscher, Kinwah Wu, Iván Agudo, Juri Poutanen, Tsunefumi Mizuno, Pouya M. Kouch, Elina Lindfors, George A. Borman, Tatiana S. Grishina, Evgenia N. Kopatskaya, Elena G. Larionova, Daria A. Morozova, Sergey S. Savchenko, Ivan S. Troitsky, Yulia V. Troitskaya, Andrey A. Vasilyev, Alexey V. Zhovtan, Francisco José Aceituno, Giacomo Bonnoli, Víctor Casanova, Juan Escudero, Beatriz Agís-González, César Husillos
Faculty Publications
We present multiwavelength polarization measurements of the luminous blazar Mrk 501 over a 14 month period. The 2-8 keV X-ray polarization was measured with the Imaging X-ray Polarimetry Explorer (IXPE) with six 100 ks observations spanning from 2022 March to 2023 April. Each IXPE observation was accompanied by simultaneous X-ray data from NuSTAR, Swift/XRT, and/or XMM-Newton. Complementary optical-infrared polarization measurements were also available in the B, V, R, I, and J bands, as were radio polarization measurements from 4.85 GHz to 225.5 GHz. Among the first five IXPE observations, we did not find significant variability in the X-ray polarization degree …
Phylogenomics And Biogeography Of Sawflies And Woodwasps (Hymenoptera, Symphyta), Saskia Wutke, Stephan M. Blank, Jean Luc Boevé, Brant C. Faircloth, Frank Koch, Catherine R. Linnen, Tobias Malm, Gengyun Niu, Marko Prous, Nathan M. Schiff, Stefan Schmidt, Andreas Taeger, Lars Vilhelmsen, Niklas Wahlberg, Meicai Wei, Tommi Nyman
Phylogenomics And Biogeography Of Sawflies And Woodwasps (Hymenoptera, Symphyta), Saskia Wutke, Stephan M. Blank, Jean Luc Boevé, Brant C. Faircloth, Frank Koch, Catherine R. Linnen, Tobias Malm, Gengyun Niu, Marko Prous, Nathan M. Schiff, Stefan Schmidt, Andreas Taeger, Lars Vilhelmsen, Niklas Wahlberg, Meicai Wei, Tommi Nyman
Faculty Publications
Phylogenomic approaches have recently helped elucidate various insect relationships, but large-scale comprehensive analyses on relationships within sawflies and woodwasps are still lacking. Here, we infer the relationships and long-term biogeographic history of these hymenopteran groups using a large dataset of 354 UCE loci collected from 385 species that represent all major lineages. Early Hymenoptera started diversifying during the Early Triassic ∼249 Ma and spread all over the ancient supercontinent Pangaea. We recovered Xyeloidea as a monophyletic sister group to other Hymenoptera and Pamphilioidea as sister to Unicalcarida. Within the diverse family Tenthredinidae, our taxonomically and geographically expanded taxon sampling highlights …
Regulation Of Bacterial Virulence Genes By Pecs Family Transcription Factors, George C. Nwokocha, Arpita Ghosh, Anne Grove
Regulation Of Bacterial Virulence Genes By Pecs Family Transcription Factors, George C. Nwokocha, Arpita Ghosh, Anne Grove
Faculty Publications
Bacterial plant pathogens adjust their gene expression programs in response to environmental signals and host-derived compounds. This ensures that virulence genes or genes encoding proteins, which promote bacterial fitness in a host environment, are expressed only when needed. Such regulation is in the purview of transcription factors, many of which belong to the ubiquitous multiple antibiotic resistance regulator (MarR) protein family. PecS proteins constitute a subset of this large protein family. PecS has likely been distributed by horizontal gene transfer, along with the divergently encoded efflux pump PecM, suggesting its integration into existing gene regulatory networks. Here, we discuss the …
Comparative Transcriptomic Analyses Reveal Differences In The Responses Of Diploid And Triploid Eastern Oysters To Environmental Stress, Rujuta V Vaidya, Sarah Bodenstein, Dildorakhon Rasulova, Jerome F La Peyre, Morgan W Kelly
Comparative Transcriptomic Analyses Reveal Differences In The Responses Of Diploid And Triploid Eastern Oysters To Environmental Stress, Rujuta V Vaidya, Sarah Bodenstein, Dildorakhon Rasulova, Jerome F La Peyre, Morgan W Kelly
Faculty Publications
Triploid oysters are commonly used as the basis for production in the aquaculture of eastern oysters along the USA East and Gulf of Mexico coasts. While they are valued for their rapid growth, incidents of triploid mortality during summer months have been well documented in eastern oysters, especially at low salinity sites. We compared global transcriptomic responses of diploid and triploid oysters bred from the same three maternal source populations at two different hatcheries and outplanted to a high (annual mean salinity = 19.4 ± 6.7) and low (annual mean salinity = 9.3 ± 5.0) salinity site. Oysters were sampled …
Macroevolution Of The Plant–Hummingbird Pollination System, Elisa Barreto, Mannfred M.A. Boehm, Ezgi Ogutcen, Stefan Abrahamczyk, Michael Kessler, Jordi Bascompte, Agnes S. Dellinger, Carolina Bello, D. Matthias Dehling, François Duchenne, Miriam Kaehler, Laura P. Lagomarsino, Lúcia G. Lohmann, María A. Maglianesi, Hélène Morlon, Nathan Muchhala, Juan Francisco Ornelas, Mathieu Perret, Nelson R. Salinas, Stacey D. Smith, Jana C. Vamosi, Isabela G. Varassin, Catherine H. Graham
Macroevolution Of The Plant–Hummingbird Pollination System, Elisa Barreto, Mannfred M.A. Boehm, Ezgi Ogutcen, Stefan Abrahamczyk, Michael Kessler, Jordi Bascompte, Agnes S. Dellinger, Carolina Bello, D. Matthias Dehling, François Duchenne, Miriam Kaehler, Laura P. Lagomarsino, Lúcia G. Lohmann, María A. Maglianesi, Hélène Morlon, Nathan Muchhala, Juan Francisco Ornelas, Mathieu Perret, Nelson R. Salinas, Stacey D. Smith, Jana C. Vamosi, Isabela G. Varassin, Catherine H. Graham
Faculty Publications
Plant–hummingbird interactions are considered a classic example of coevolution, a process in which mutually dependent species influence each other's evolution. Plants depend on hummingbirds for pollination, whereas hummingbirds rely on nectar for food. As a step towards understanding coevolution, this review focuses on the macroevolutionary consequences of plant–hummingbird interactions, a relatively underexplored area in the current literature. We synthesize prior studies, illustrating the origins and dynamics of hummingbird pollination across different angiosperm clades previously pollinated by insects (mostly bees), bats, and passerine birds. In some cases, the crown age of hummingbirds pre-dates the plants they pollinate. In other cases, plant …
Bicarbonate Is A Key Regulator But Not A Substrate For O2 Evolution In Photosystem Ii, David J. Vinyard, Govindjee Govindjee
Bicarbonate Is A Key Regulator But Not A Substrate For O2 Evolution In Photosystem Ii, David J. Vinyard, Govindjee Govindjee
Faculty Publications
Photosystem II (PSII) uses light energy to oxidize water and to reduce plastoquinone in the photosynthetic electron transport chain. O2 is produced as a byproduct. While most members of the PSII research community agree that O2 originates from water molecules, alternative hypotheses involving bicarbonate persist in the literature. In this perspective, we provide an overview of the important roles of bicarbonate in regulating PSII activity and assembly. Further, we emphasize that biochemistry, spectroscopy, and structural biology experiments have all failed to detect bicarbonate near the active site of O2 evolution. While thermodynamic arguments for oxygen-centered bicarbonate oxidation are valid, the …
Thiourea-Based Rotaxanes: Anion Transport Across Synthetic Lipid Bilayers And Antibacterial Activity Against Staphylococcus Aureus, Nasim Akhtar, Udyogi N.K. Conthagamage, Sara P. Bucher, Zuliah A. Abdulsalam, Macallister L. Davis, William N. Beavers, Victor Garcia-Lopez
Thiourea-Based Rotaxanes: Anion Transport Across Synthetic Lipid Bilayers And Antibacterial Activity Against Staphylococcus Aureus, Nasim Akhtar, Udyogi N.K. Conthagamage, Sara P. Bucher, Zuliah A. Abdulsalam, Macallister L. Davis, William N. Beavers, Victor Garcia-Lopez
Faculty Publications
We report the synthesis of two rotaxanes (1 and 2) whose rings have appended thiourea units for the selective recognition of Cl− anions. Rotaxane 1 transports Cl− across synthetic lipid bilayers more efficiently than 2, exhibiting EC50 values of 0.243 mol% versus 0.736 mol%, respectively. A control rotaxane (3) without the thiourea units and the individual axle (4) also showed Cl− transport, although with much lower efficiency (EC50 values of 4.044 mol% and 4.986 mol%). The unthreaded ring (5) showed the lowest transport activity. This trend highlights the advantage of the interlocked system with a ring containing …
Bipolar Membrane Capacitive Deionization For The Selective Capture Of Lithium Ions From Brines And Conversion To Lithium Hydroxide, Tanmay Kulkarni, Aliya Muhammad I. Al Dhamen, Xiaoliu Zhang, Chan Wen Chiu, Hanrui Zhang, Feifei Shi, Revati Kumar, Christopher G. Arges
Bipolar Membrane Capacitive Deionization For The Selective Capture Of Lithium Ions From Brines And Conversion To Lithium Hydroxide, Tanmay Kulkarni, Aliya Muhammad I. Al Dhamen, Xiaoliu Zhang, Chan Wen Chiu, Hanrui Zhang, Feifei Shi, Revati Kumar, Christopher G. Arges
Faculty Publications
Meeting the increasing demand for lithium in vehicle electrification and renewable energy storage requires innovations in lithium-ion (Li+) separations. Traditional solar evaporation methods for lithium recovery are slow and consume tremendous volumes of water and secondary chemicals (acids and bases). This study introduces a bipolar membrane capacitive deionization (BPM-CDI) unit for direct lithium extraction and LiOH production without the external addition of acids and bases. Utilizing de-lithiated lithium-iron-phosphate (LFP) coated carbon cloth electrodes, the BPM-CDI unit demonstrates selective Li+ capture over competing ions. Molecular dynamics simulations and H-cell experiments elucidate pH inversion mechanisms during Li+ release, …
Spatiotemporal Climatology Of Georgia Tropical Cyclones And Associated Rainfall, Reilly Corkran, Jill Trepanier, Vincent Brown
Spatiotemporal Climatology Of Georgia Tropical Cyclones And Associated Rainfall, Reilly Corkran, Jill Trepanier, Vincent Brown
Faculty Publications
Tropical cyclones (TCs), often characterized by high wind speeds and heavy rainfall, cause widespread devastation, affecting millions of people and leading to economic losses worldwide. TC-specific research in Georgia is scarce, likely due to the minimal geographical extent of its coast and the infrequency of direct landfalls. Research on Georgia TCs does not account for storms that make landfall in other southeastern states (e.g., Florida) and continue north, northeast, or northwest into Georgia. This study used the North Atlantic Basin hurricane database (HURDAT2) to quantify the spatiotemporal patterns of direct and indirect landfalling of Georgia tropical cyclones (>16 ms−1) …
Scene Classification Of Remote Sensing Image Based On Multi-Path Reconfigurable Neural Network, Wenyi Hu, Chunjie Lan, Tian Chen, Shan Liu, Lirong Yin, Lei Wang
Scene Classification Of Remote Sensing Image Based On Multi-Path Reconfigurable Neural Network, Wenyi Hu, Chunjie Lan, Tian Chen, Shan Liu, Lirong Yin, Lei Wang
Faculty Publications
Land image recognition and classification and land environment detection are important research fields in remote sensing applications. Because of the diversity and complexity of different tasks of land environment recognition and classification, it is difficult for researchers to use a single model to achieve the best performance in scene classification of multiple remote sensing land images. Therefore, to determine which model is the best for the current recognition classification tasks, it is often necessary to select and experiment with many different models. However, finding the optimal model is accompanied by an increase in trial-and-error costs and is a waste of …
Scaling The Polymerization Of Polyaldehydes Through Continuous Flow Synthesis, Jared M. Schwartz, Paul A. Kohl, Anthony Engler
Scaling The Polymerization Of Polyaldehydes Through Continuous Flow Synthesis, Jared M. Schwartz, Paul A. Kohl, Anthony Engler
Faculty Publications
A plug flow reactor was constructed to scale the synthesis of metastable, phthalaldehyde-based polymers to achieve production rates of 1–2 kg per day. The flow-induced mixing and in-line polymerization quench and precipitation sequences resulted in improved polymer purity and long-term stability compared to the same materials made from a conventional batch process. Cryogenic rheology was used to probe the complex fluid dynamics encountered during the polymerization of PPA homopolymers. It is envisioned that this continuous flow manufacturing approach could be extended to other low ceiling temperature or aldehyde monomer systems to help implement and support a plastic circular economy. Graphical …
Technician Assignment In Multi-Shift Maintenance Schedules In An Offshore Wind Farm, Md Imran Hasan Tusar, Bhaba R. Sarker
Technician Assignment In Multi-Shift Maintenance Schedules In An Offshore Wind Farm, Md Imran Hasan Tusar, Bhaba R. Sarker
Faculty Publications
Offshore wind farms are becoming more and more important to sustainable energy strategies, yet their maintenance presents unique logistical challenges. The focus of this research is the Technician Assignment Problem (TAP) which involves a complicated and fluctuating scheduling problem. The key objective is to determine the most effective assignment of technicians to maintenance tasks to maximize operational efficiency and ensure reliable service. This study introduces a mathematical optimization model that processes numerous variables—technician availability, skill sets, and temporal constraints—to minimize unmet maintenance needs and ensure equitable workload distribution. The model is based on assumptions derived from actual operational conditions and …
Machine Learning For Automated Classification Of Lung Collagen In A Urethane-Induced Lung Injury Mouse Model, Khalid Hamad Alnafisah, Amit Ranjan, Sushant P. Sahu, Jianhua Chen, Sarah Mohammad Alhejji, Alexandra Noël, Manas Ranjan Gartia, Supratik Mukhopadhyay
Machine Learning For Automated Classification Of Lung Collagen In A Urethane-Induced Lung Injury Mouse Model, Khalid Hamad Alnafisah, Amit Ranjan, Sushant P. Sahu, Jianhua Chen, Sarah Mohammad Alhejji, Alexandra Noël, Manas Ranjan Gartia, Supratik Mukhopadhyay
Faculty Publications
Dysregulation of lung tissue collagen level plays a vital role in understanding how lung diseases progress. However, traditional scoring methods rely on manual histopathological examination introducing subjectivity and inconsistency into the assessment process. These methods are further hampered by inter-observer variability, lack of quantification, and their time-consuming nature. To mitigate these drawbacks, we propose a machine learning-driven framework for automated scoring of lung collagen content. Our study begins with the collection of a lung slide image dataset from adult female mice using second harmonic generation (SHG) microscopy. In our proposed approach, first, we manually extracted features based on the 46 …
Sustainability Of Asphalt Mixtures Containing 50% Rap And Recycling Agents, Ibrahim Elnaml, Louay N. Mohammad, Gaylon Baumgardner, Samuel Cooper, Samuel Cooper
Sustainability Of Asphalt Mixtures Containing 50% Rap And Recycling Agents, Ibrahim Elnaml, Louay N. Mohammad, Gaylon Baumgardner, Samuel Cooper, Samuel Cooper
Faculty Publications
The substitution of virgin asphalt binder with reclaimed asphalt pavement (RAP) has environmental and economic merits, however, cracking susceptibility arises due to the aged asphalt binder within RAP. The objectives of this study are to (1) enhance the cracking resistance of asphalt mixtures containing 50% RAP utilizing recycling agents (RAs) derived from six petroleum-based and bio-based materials, (2) conduct an environmental impact assessment (represented by global warming potential “GWP”) for high-RAP mixtures including RAs, and (3) estimate the cost effectiveness of including high-RAP content in asphalt mixtures. Based on the RAP asphalt binder performance grade (PG), base asphalt binder PG, …
Taming The Wild West: Can Order Be Restored To The Collegiate Playing Fields?, Edward D. Cavanagh
Taming The Wild West: Can Order Be Restored To The Collegiate Playing Fields?, Edward D. Cavanagh
Faculty Publications
On May 23, 2024, the NCAA and member conferences entered into a historic settlement to resolve the House case, a class action lawsuit brought on behalf of some 14,000 college athletes seeking damages for lost opportunities to gain financial benefits from their schools' use of their name, image, and likeness ("NIL") due to the NCAA's past denials of NIL compensation from media broadcasts, video games, and third parties. The trial court had certified damage classes consisting of (1) men's football and basketball players; (2) women's basketball players; and (3) other sports. As part of the settlement, defendants agreed to pay …
In Situ Assembly Enabling Adhesive-Free Bonding Of Large Area Electronic Sensors To Concrete For Structural Health Monitoring, Emmanuel Ogunniyi, Han Liu, Austin Downey, Simon Laflamme, Caroline Bennett, William Collins, Hongki Jo, Paul Ziehl
In Situ Assembly Enabling Adhesive-Free Bonding Of Large Area Electronic Sensors To Concrete For Structural Health Monitoring, Emmanuel Ogunniyi, Han Liu, Austin Downey, Simon Laflamme, Caroline Bennett, William Collins, Hongki Jo, Paul Ziehl
Faculty Publications
Cracks developed in concrete infrastructure are one of the primary mechanisms that degrade their structural integrity, which may result in structural failures. Previous research on soft elastomeric capacitors (SEC) has shown their viability for structural health monitoring of structural materials, including concrete, steel, and fiberglass composites. The SEC, or its derivative version with a corrugated geometry termed corrugated SEC or cSEC, is a parallel plate capacitor. Prior work demonstrated that it was possible to directly paint the electrode interfacing with the structural material onto the structure and adhere the rest of the pre-fabricated sensor onto the wet interface, thereby eliminating …
Multi-Level Factors Associated With Hiv Late Presentation With Advanced Disease And Delay Time Of Diagnosis In South Carolina, 2005–2019, Fanghui Shi, Jiajia Zhang Ph.D., Shujie Chen, Xueying Yang Ph.D., Zhenlong Li, Sharon Weissman, Bankole Olatosi Ph.D., Xiaoming Li Ph.D.
Multi-Level Factors Associated With Hiv Late Presentation With Advanced Disease And Delay Time Of Diagnosis In South Carolina, 2005–2019, Fanghui Shi, Jiajia Zhang Ph.D., Shujie Chen, Xueying Yang Ph.D., Zhenlong Li, Sharon Weissman, Bankole Olatosi Ph.D., Xiaoming Li Ph.D.
Faculty Publications
This study explored individual- and county-level risk factors of late presentation with advanced disease (LPAD) among people with HIV (PWH) and their longer delay time from infection to diagnosis in South Carolina (SC), using SC statewide Enhanced HIV/AIDS Reporting System (eHARS). LPAD was defined as having an AIDS diagnosis within three months of initial HIV diagnosis, and delay time from HIV infection to diagnosis was estimated using CD4 depletion model. 3,733 (41.88%) out of 8,913 adult PWH diagnosed from 2005 to 2019 in SC were LPAD, and the median delay time was 13.04 years. Based on the generalized estimating equations …
Reframing And Advancing Academic Mentorship To Support New And Early Career Faculty Members, Juanita-Dawne R. Bacsu, Patricia C. Heyn, Steffi Kim, Zahra Rahemi, Monique J. Brown, Darina V. Petrovsky, Justine S. Sefcik, Jodi L. Southerland, Jeremy Holloway, Elyse Couch, Ayse Malatyali, Matthew L. Smith
Reframing And Advancing Academic Mentorship To Support New And Early Career Faculty Members, Juanita-Dawne R. Bacsu, Patricia C. Heyn, Steffi Kim, Zahra Rahemi, Monique J. Brown, Darina V. Petrovsky, Justine S. Sefcik, Jodi L. Southerland, Jeremy Holloway, Elyse Couch, Ayse Malatyali, Matthew L. Smith
Faculty Publications
Mentorship is critical to fostering professional growth and career development in academia. However, academic mentorship is often an informal activity that is overlooked and under researched. There is much ambiguity and uncertainty surrounding mentorship roles and strategies in academia. This paper provides recommendations and strategies to reframe and advance academic mentorship to support new and early career faculty.
Allura Red Ac Is A Xenobiotic. Is It Also A Carcinogen?, Lorne J. Hofseth Ph.D., James Hébert Scd, Elizabeth Angela Murphy, Erica Trauner, Athul Vikas, Quinn Harris, Alexander A. Chumanevich
Allura Red Ac Is A Xenobiotic. Is It Also A Carcinogen?, Lorne J. Hofseth Ph.D., James Hébert Scd, Elizabeth Angela Murphy, Erica Trauner, Athul Vikas, Quinn Harris, Alexander A. Chumanevich
Faculty Publications
Merriam-Webster and Oxford define a xenobiotic as any substance foreign to living systems. Allura Red AC (a.k.a., E129; FD&C Red No. 40), a synthetic food dye extensively used in manufacturing ultra-processed foods and therefore highly prevalent in our food supply, falls under this category. The surge in synthetic food dye consumption during the 70s and 80s was followed by an epidemic of metabolic diseases and the emergence of early-onset colorectal cancer in the 1990s. This temporal association raises significant concerns, particularly given the widespread inclusion of synthetic food dyes in ultra-processed products, notably those marketed toward children. Given its interactions …
Allura Red Ac Is A Xenobiotic. Is It Also A Carcinogen?, Lorne J. Hofseth, James R. Hébert Scd, Elizabeth Angela Murphy, Erica Trauner, Athul Vikas, Quinn Harris, Alexander A. Chumanevich
Allura Red Ac Is A Xenobiotic. Is It Also A Carcinogen?, Lorne J. Hofseth, James R. Hébert Scd, Elizabeth Angela Murphy, Erica Trauner, Athul Vikas, Quinn Harris, Alexander A. Chumanevich
Faculty Publications
Merriam-Webster and Oxford define a xenobiotic as any substance foreign to living systems. Allura Red AC (a.k.a., E129; FD&C Red No. 40), a synthetic food dye extensively used in manufacturing ultra-processed foods and therefore highly prevalent in our food supply, falls under this category. The surge in synthetic food dye consumption during the 70s and 80s was followed by an epidemic of metabolic diseases and the emergence of early-onset colorectal cancer in the 1990s. This temporal association raises significant concerns, particularly given the widespread inclusion of synthetic food dyes in ultra-processed products, notably those marketed toward children. Given its interactions …
Equipping Future Physicians With Artificial Intelligence Competencies Through Student Associations, Spencer Hopson, Carson Mildon, Kyle Hassard, Paul Urie, Dennis Della Corte
Equipping Future Physicians With Artificial Intelligence Competencies Through Student Associations, Spencer Hopson, Carson Mildon, Kyle Hassard, Paul Urie, Dennis Della Corte
Faculty Publications
Advances in artificial intelligence (AI) in the medical sector necessitate the development of AI literacy among future physicians. This article explores the pioneering efforts of the AI in Medicine Association (AIM) at Brigham Young University, which offers a framework for undergraduate pre-medical students to gain hands-on experience, receive principled education, explore ethical considerations, and learn appraisal of AI models. By supplementing formal, university-organized pre-medical education with a student-led, faculty-supported introduction to AI through an extracurricular academic association, AIM alleviates apprehensions regarding AI in medicine early and empowers students preparing for medical school to navigate the evolving landscape of AI in …
Occurrence, Abundance, And Formation Of Atmospheric Tarballs From A Wide Range Of Wildfires In The Western Us, Kouji Adachi, Jack E. Dibb, Joseph M. Katich, Joshua P. Schwarz, Hongyu Guo, Pedro Campuzano-Jost, Jose L. Jimenez, Jeff Peischl, Christopher D. Holmes, James Crawford
Occurrence, Abundance, And Formation Of Atmospheric Tarballs From A Wide Range Of Wildfires In The Western Us, Kouji Adachi, Jack E. Dibb, Joseph M. Katich, Joshua P. Schwarz, Hongyu Guo, Pedro Campuzano-Jost, Jose L. Jimenez, Jeff Peischl, Christopher D. Holmes, James Crawford
Faculty Publications
Biomass burning emits large numbers of organic aerosol particles, a subset of which are called tarballs (TBs). TBs possess a spherical morphology and unique physical, chemical, and optical properties. They are recognized as brown-carbon aerosol particles, influencing the climate through the absorption of solar radiation. Aerosol particles were collected from wildfire and agricultural-fire smoke sampled by NASA's DC-8 aircraft during the Fire Influence on Regional to Global Environments and Air Quality (FIREX-AQ) campaign in the western US from July to September 2019. This study developed an image analysis method using deep learning to distinguish TBs from other round particles that …