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Articles 901 - 930 of 6811
Full-Text Articles in Entire DC Network
Fatal Neurodissemination And Sars-Cov-2 Tropism In K18-Hace2 Mice Is Only Partially Dependent On Hace2 Expression, Mariano Carossino, Devin Kenney, Aoife K. O’Connell, Paige Montanaro, Anna E. Tseng, Hans P. Gertje, Kyle A. Grosz, Maria Ericsson, Bertrand R. Huber, Susanna A. Kurnick, Saravanan Subramaniam, Thomas Kirkland, Joel R. Walker, Kevin P. Francis, Alexander D. Klose, Neal Paragas, Markus Bosmann, Mohsan Saeed, Udeni Balasuriya, Florian Douam, Nicholas Crossland
Fatal Neurodissemination And Sars-Cov-2 Tropism In K18-Hace2 Mice Is Only Partially Dependent On Hace2 Expression, Mariano Carossino, Devin Kenney, Aoife K. O’Connell, Paige Montanaro, Anna E. Tseng, Hans P. Gertje, Kyle A. Grosz, Maria Ericsson, Bertrand R. Huber, Susanna A. Kurnick, Saravanan Subramaniam, Thomas Kirkland, Joel R. Walker, Kevin P. Francis, Alexander D. Klose, Neal Paragas, Markus Bosmann, Mohsan Saeed, Udeni Balasuriya, Florian Douam, Nicholas Crossland
Faculty Publications
No abstract provided.
The Supercooling Responses Of The Solitary Bee Osmia Excavata (Hymenoptera: Megachilidae) Under The Biological Stress Of Its Brood Parasite, Sapyga Coma (Hymenoptera: Sapygidae), Zhuo Yan, Lina Wang, Gadi V.P. Reddy, Shimin Gu, Xingyuan Men, Yunli Xiao, Jianwei Su, Feng Ge, Fang Ouyang
The Supercooling Responses Of The Solitary Bee Osmia Excavata (Hymenoptera: Megachilidae) Under The Biological Stress Of Its Brood Parasite, Sapyga Coma (Hymenoptera: Sapygidae), Zhuo Yan, Lina Wang, Gadi V.P. Reddy, Shimin Gu, Xingyuan Men, Yunli Xiao, Jianwei Su, Feng Ge, Fang Ouyang
Faculty Publications
(1) Background: Many insects have evolved different strategies to adapt to subzero temperatures and parasites, but the supercooling response of pollinator populations under the brood parasitism pressure has not been sufficiently investigated. (2) Methods: This study assessed the supercooling traits (supercooling points, fresh weight and fat content) of the solitary bee Osmia excavata Alfken and its brood parasite, Sapyga coma Yasumatsu & Sugihara. We measured 4035 samples (3025 O. excavata and 1010 S. coma, one individual as one sample) and discovered the super-cooling traits relations between solitary bee and brood parasite. (3) Results: Significant differences in the supercooling points were …
Identifying Potential Drivers Of Distribution Patterns Of Invasive Corbicula Fluminea Relative To Native Freshwater Mussels (Unionidae) Across Spatial Scales, Taylor E. Kelley, Garrett W. Hopper, Irene Sánchez González, Jamie R. Bucholz, Carla L. Atkinson
Identifying Potential Drivers Of Distribution Patterns Of Invasive Corbicula Fluminea Relative To Native Freshwater Mussels (Unionidae) Across Spatial Scales, Taylor E. Kelley, Garrett W. Hopper, Irene Sánchez González, Jamie R. Bucholz, Carla L. Atkinson
Faculty Publications
This study aimed to identify the importance of ecological factors to distribution patterns of the invasive Clam (Corbicula fluminea) relative to native mussels (family: Unionidae) across seven rivers within the Mobile and Tennessee basins, Southeast United States. We quantitatively surveyed dense, diverse native mussel aggregations across 20 river reaches and estimated mussel density, biomass, and species richness along with density of invasive C. fluminea (hereafter Corbicula). We measured substrate particle size, velocity, and depth in quadrats where animals were collected. Additionally, we characterized reach scale environmental parameters including seston quantity and quality (% Carbon, % Nitrogen, % Phosphorous), water chemistry …
The Global Virome In One Network (Virion): An Atlas Of Vertebrate-Virus Associations, Colin J. Carlson, Rory J. Gibb, Gregory F. Albery, Liam Brierley, Ryan P. Connor, Tad Dallas, Evan A. Eskew, Anna C. Fagre, Maxwell J. Farrell, Hannah K. Frank, Renata L. Muylaert, Timothée Poisot, Angela L. Rasmussen, Sadie J. Ryan, Stephanie N. Seifert
The Global Virome In One Network (Virion): An Atlas Of Vertebrate-Virus Associations, Colin J. Carlson, Rory J. Gibb, Gregory F. Albery, Liam Brierley, Ryan P. Connor, Tad Dallas, Evan A. Eskew, Anna C. Fagre, Maxwell J. Farrell, Hannah K. Frank, Renata L. Muylaert, Timothée Poisot, Angela L. Rasmussen, Sadie J. Ryan, Stephanie N. Seifert
Faculty Publications
Data that catalogue viral diversity on Earth have been fragmented across sources, disciplines, formats, and various degrees of open sharing, posing challenges for research on macroecology, evolution, and public health. Here, we solve this problem by establishing a dynamically maintained database of vertebrate-virus associations, called The Global Virome in One Network (VIRION). The VIRION database has been assembled through both reconciliation of static data sets and integration of dynamically updated databases. These data sources are all harmonized against one taxonomic backbone, including metadata on host and virus taxonomic validity and higher classification; additional metadata on sampling methodology and evidence strength …
The H3.3 Chaperone Hira Complex Orchestrates Oocyte Developmental Competence, Rowena Smith, Andrej Susor, Hao Ming, Janet Tait, Marco Conti, Zongliang Jiang, Chih Jen Lin
The H3.3 Chaperone Hira Complex Orchestrates Oocyte Developmental Competence, Rowena Smith, Andrej Susor, Hao Ming, Janet Tait, Marco Conti, Zongliang Jiang, Chih Jen Lin
Faculty Publications
Successful reproduction requires an oocyte competent to sustain early embryo development. By the end of oogenesis, the oocyte has entered a transcriptionally silenced state, the mechanisms and significance of which remain poorly understood. Histone H3.3, a histone H3 variant, has unique cell cycle-independent functions in chromatin structure and gene expression. Here, we have characterised the H3.3 chaperone Hira/Cabin1/Ubn1 complex, showing that loss of function of any of these subunits causes early embryogenesis failure in mouse. Transcriptome and nascent RNA analyses revealed that transcription is aberrantly silenced in mutant oocytes. Histone marks, including H3K4me3 and H3K9me3, are reduced and chromatin accessibility …
The Potential Of Dietary Bioactive Compounds Against Sars-Cov-2 And Covid-19-Induced Endothelial Dysfunction, Jack N. Losso
The Potential Of Dietary Bioactive Compounds Against Sars-Cov-2 And Covid-19-Induced Endothelial Dysfunction, Jack N. Losso
Faculty Publications
COVID-19 is an endothelial disease. All the major comorbidities that increase the risk for severe SARS-CoV-2 infection and severe COVID-19 including old age, obesity, diabetes, hypertension, respiratory disease, compromised immune system, coronary artery disease or heart failure are associated with dysfunctional endothelium. Genetics and environmental factors (epigenetics) are major risk factors for endothelial dysfunction. Individuals with metabolic syndrome are at increased risk for severe SARS-CoV-2 infection and poor COVID-19 outcomes and higher risk of mortality. Old age is a non-modifiable risk factor. All other risk factors are modifiable. This review also identifies dietary risk factors for endothelial dysfunction. Potential dietary …
An Insight Into The Microrna Profile Of The Ectoparasitic Mite Varroa Destructor (Acari: Varroidae), The Primary Vector Of Honey Bee Deformed Wing Virus, Deepak Kumar, Mohamed Alburaki, Faizan Tahir, Michael Goblirsch, John Adamczyk, Shahid Karim
An Insight Into The Microrna Profile Of The Ectoparasitic Mite Varroa Destructor (Acari: Varroidae), The Primary Vector Of Honey Bee Deformed Wing Virus, Deepak Kumar, Mohamed Alburaki, Faizan Tahir, Michael Goblirsch, John Adamczyk, Shahid Karim
Faculty Publications
The remarkably adaptive mite Varroa destructor is the most important honey bee ectoparasite. Varroa mites are competent vectors of deformed wing virus (DWV), and the Varroa-virus complex is a major determinant of annual honey bee colony mortality and collapse. MicroRNAs (miRNAs) are 22-24 nucleotide non-coding RNAs produced by all plants and animals and some viruses that influence biological processes through post-transcriptional regulation of gene expression. Knowledge of miRNAs and their function in mite biology remains limited. Here we constructed small RNA libraries from male and female V. destructor using Illumina’s small RNA-Seq platform. A total of 101,913,208 and 91,904,732 …
Density Dependent Refueling Of Migratory Songbirds During Stopover Within An Urbanizing Coastal Landscape, Emily B. Cohen, Jill M. Lafleur, Frank R. Moore
Density Dependent Refueling Of Migratory Songbirds During Stopover Within An Urbanizing Coastal Landscape, Emily B. Cohen, Jill M. Lafleur, Frank R. Moore
Faculty Publications
Refueling performance is the primary currency of a successful migration as birds must maintain energy stores to achieve an optimal travel schedule. Migrating birds can anticipate heightened energy demand, not to mention increased uncertainty that energy demands will be satisfied, especially within an urbanizing landscape following long-distance flights. We tested the expectation that refueling performance of songbirds is reduced as densities increase at stopover sites in an urbanizing coastline of the Gulf of Mexico. We measured the density of migrating birds, their refueling performance, and arthropod abundance in two large tracts of contiguous forest paired with two small isolated patches …
Global Patterns And Controls Of Nutrient Immobilization On Decomposing Cellulose In Riverine Ecosystems, David M. Costello, Scott D. Tiegs, Luz Boyero, Cristina Coimbra, Krista Capps, Michael Danger, Paul C. Frost, Mark O. Gessner, Natalie A. Griffiths, Halvor M. Halvorson, Kevin A. Kuehn, Amy M. Marcarelli, Todd V. Royer, Devan M. Mathie, Ricardo J. Albariño, Clay Arango, Jukka Aroviita, Colden V. Baxter, Brent J. Bellinger, Andreas Bruder, Francis J. Burdon, Marcos Callisto, Antonio Camacho, Fanny Colas, Julien Cornut, Verónica Crespo-Pérez, Wyatt F. Cross, Alison M. Derry, Michael M. Douglas, Arturo Elosegi, Elvira De Eyto, Verónica Ferreira, Carmen Ferriol, Tadeusz Fleituch, Jennifer J. Follstad Shah, André Frainer, Erica A. Garcia, Liliana García, Pavel García, Darren P. Giling, R. Karina Gonzales-Pomar, Manuel A.S. Graça, Hans-Peter Grossart, François Guérold, Luiz U. Hepp, Scott N. Higgins, Takuo Hishi, Carlos Iñiguez-Armijos, Tomoya Iwata, Andrea E. Kirkwood, Aaron A. Koning, Sarian Kosten, Hjalmar Laudon, Peter R. Leavitt, Aurea L. Lemes Da Silva, Shawn G. Leroux, Carri Leroy, Peter J. Lisi, Frank O. Masese, Peter B. Mcintyre, Brendan G. Mckie, Adriana O. Medeiros, Marko Miliša, Yo Miyake, Robert Mooney, Tim Moulton, Jorge Nimptsch, Riku Paavola, Isabel Pardo, Ivan Y. Parnikova, Christopher J. Patrick, Edwin T.H.M. Peeters, Jesus Pozo, Brian Reid, John S. Richardson, José Rincón, Geta Risnoveanu, Christopher T. Robinson, Anna C. Santamans, Gelas Simiyu, Agnija Skuja, Jerzy Smykla, Ryan Sponseller, Franco Texeira-De Mello, Sirje Vilbaste, Verónica D. Villanueva, J. R. Webster, Stefan Woelfl, Marguerite A. Xenopolous, Adam Yates, Catherine M. Yule, Yixin Zhang, Jacob A. Zwart
Global Patterns And Controls Of Nutrient Immobilization On Decomposing Cellulose In Riverine Ecosystems, David M. Costello, Scott D. Tiegs, Luz Boyero, Cristina Coimbra, Krista Capps, Michael Danger, Paul C. Frost, Mark O. Gessner, Natalie A. Griffiths, Halvor M. Halvorson, Kevin A. Kuehn, Amy M. Marcarelli, Todd V. Royer, Devan M. Mathie, Ricardo J. Albariño, Clay Arango, Jukka Aroviita, Colden V. Baxter, Brent J. Bellinger, Andreas Bruder, Francis J. Burdon, Marcos Callisto, Antonio Camacho, Fanny Colas, Julien Cornut, Verónica Crespo-Pérez, Wyatt F. Cross, Alison M. Derry, Michael M. Douglas, Arturo Elosegi, Elvira De Eyto, Verónica Ferreira, Carmen Ferriol, Tadeusz Fleituch, Jennifer J. Follstad Shah, André Frainer, Erica A. Garcia, Liliana García, Pavel García, Darren P. Giling, R. Karina Gonzales-Pomar, Manuel A.S. Graça, Hans-Peter Grossart, François Guérold, Luiz U. Hepp, Scott N. Higgins, Takuo Hishi, Carlos Iñiguez-Armijos, Tomoya Iwata, Andrea E. Kirkwood, Aaron A. Koning, Sarian Kosten, Hjalmar Laudon, Peter R. Leavitt, Aurea L. Lemes Da Silva, Shawn G. Leroux, Carri Leroy, Peter J. Lisi, Frank O. Masese, Peter B. Mcintyre, Brendan G. Mckie, Adriana O. Medeiros, Marko Miliša, Yo Miyake, Robert Mooney, Tim Moulton, Jorge Nimptsch, Riku Paavola, Isabel Pardo, Ivan Y. Parnikova, Christopher J. Patrick, Edwin T.H.M. Peeters, Jesus Pozo, Brian Reid, John S. Richardson, José Rincón, Geta Risnoveanu, Christopher T. Robinson, Anna C. Santamans, Gelas Simiyu, Agnija Skuja, Jerzy Smykla, Ryan Sponseller, Franco Texeira-De Mello, Sirje Vilbaste, Verónica D. Villanueva, J. R. Webster, Stefan Woelfl, Marguerite A. Xenopolous, Adam Yates, Catherine M. Yule, Yixin Zhang, Jacob A. Zwart
Faculty Publications
Microbes play a critical role in plant litter decomposition and influence the fate of carbon in rivers and riparian zones. When decomposing low-nutrient plant litter, microbes acquire nitrogen (N) and phosphorus (P) from the environment (i.e., nutrient immobilization), and this process is potentially sensitive to nutrient loading and changing climate. Nonetheless, environmental controls on immobilization are poorly understood because rates are also influenced by plant litter chemistry, which is coupled to the same environmental factors. Here we used a standardized, low-nutrient organic matter substrate (cotton strips) to quantify nutrient immobilization at 100 paired stream and riparian sites representing 11 biomes …
Decitizenizing Asian Pacific American Women, Shoba Sivaprasad Wadhia, Margaret Hu
Decitizenizing Asian Pacific American Women, Shoba Sivaprasad Wadhia, Margaret Hu
Faculty Publications
The Page Act of 1875 excluded Asian women immigrants from entering the United States, presuming they were prostitutes. This presumption was tragically replicated in the 2021 Atlanta Massacre of six Asian and Asian American women, reinforcing the same harmful prejudices. This Article seeks to illuminate how the Atlanta Massacre is symbolic of larger forms of discrimination, including the harms of decitizenship. These harms include limited access to full citizenship rights due to legal barriers, restricted cultural and political power, and a lack of belonging. The Article concludes that these harms result from the structure of past and present immigration laws …
Riding The Wave: Reactive Vector-Borne Disease Policy Renders The United States Vulnerable To Outbreaks And Insecticide Resistance, Kyndall C. Dye-Braumuller, Jennifer R. Gordon, Kaci Mccoy, Danielle Johnson, Rhoel Dinglasan, Melissa Nolan Ph.D., Mph
Riding The Wave: Reactive Vector-Borne Disease Policy Renders The United States Vulnerable To Outbreaks And Insecticide Resistance, Kyndall C. Dye-Braumuller, Jennifer R. Gordon, Kaci Mccoy, Danielle Johnson, Rhoel Dinglasan, Melissa Nolan Ph.D., Mph
Faculty Publications
Funding for vector-borne disease surveillance, management, and research is cyclical and reactive in the United States. The subsequent effects have yielded gross inequities nationally that unintentionally support recurrent outbreaks. This policy forum is comprised of four primary subsections that collectively identify specific areas for improvement and offer innovative solutions to address national inadequacies in vector borne disease policy and infrastructure.
Fires On Ice: Emerging Permafrost Peatlands Fire Regimes In Russia’S Subarctic Taiga, Vera Kuklina, Oleg Sizov, Elena Rasputina, Irina Bilichenko, Natalia Krasnoshtanova, Viktor Bogdanov, Andrey N. Petrov
Fires On Ice: Emerging Permafrost Peatlands Fire Regimes In Russia’S Subarctic Taiga, Vera Kuklina, Oleg Sizov, Elena Rasputina, Irina Bilichenko, Natalia Krasnoshtanova, Viktor Bogdanov, Andrey N. Petrov
Faculty Publications
Wildfires in permafrost areas, including smoldering fires (e.g., “zombie fires”), have increasingly become a concern in the Arctic and subarctic. Their detection is difficult and requires ground truthing. Local and Indigenous knowledge are becoming useful sources of information that could guide future research and wildfire management. This paper focuses on permafrost peatland fires in the Siberian subarctic taiga linked to local communities and their infrastructure. It presents the results of field studies in Evenki and old-settler communities of Tokma and Khanda in the Irkutsk region of Russia in conjunction with concurrent remote sensing data analysis. The study areas located in …
Presas Efímeras Of New Mexico, José A. Rivera Ph.D.
Presas Efímeras Of New Mexico, José A. Rivera Ph.D.
Faculty Publications
The main title of this paper mimics a groundbreaking investigation by anthropologist Teresa Rojas Rabiela and ethnohistorian Ignacio Gutiérrez Ruvalcaba titled: Las presas efímeras mexicanas, del pasado y del presente (Ephemeral diversion dams of Mexico, past and present). Their study inspired the addition of counterpart cases from Nuevo México, a former Mexican province directly north of the Juarez-El Paso border. The work here describes the traditional dams of the northern Río Grande region and also serves as a guide to future research and the development of historic preservation projects. After introducing readers to Las presas efímeras mexicanas, …
Decellularized Articular Cartilage Microgels As Microcarriers For Expansion Of Mesenchymal Stem Cells, Esmaiel Jabbari, Azadeh Sepahvandi
Decellularized Articular Cartilage Microgels As Microcarriers For Expansion Of Mesenchymal Stem Cells, Esmaiel Jabbari, Azadeh Sepahvandi
Faculty Publications
Conventional microcarriers used for expansion of human mesenchymal stem cells (hMSCs) require detachment and separation of the cells from the carrier prior to use in clinical applications for regeneration of articular cartilage, and the carrier can cause undesirable phenotypic changes in the expanded cells. This work describes a novel approach to expand hMSCs on biomimetic carriers based on adult or fetal decellularized bovine articular cartilage that supports tissue regeneration without the need to detach the expanded cells from the carrier. In this approach, the fetal or adult bovine articular cartilage was minced, decellularized, freeze-dried, ground, and sieved to produce articular …
Decellularized Articular Cartilage Microgels As Microcarriers For Expansion Of Mesenchymal Stem Cells, Esmaiel Jabbari, Azadeh Sepahvandi
Decellularized Articular Cartilage Microgels As Microcarriers For Expansion Of Mesenchymal Stem Cells, Esmaiel Jabbari, Azadeh Sepahvandi
Faculty Publications
Conventional microcarriers used for expansion of human mesenchymal stem cells (hMSCs) require detachment and separation of the cells from the carrier prior to use in clinical applications for regeneration of articular cartilage, and the carrier can cause undesirable phenotypic changes in the expanded cells. This work describes a novel approach to expand hMSCs on biomimetic carriers based on adult or fetal decellularized bovine articular cartilage that supports tissue regeneration without the need to detach the expanded cells from the carrier. In this approach, the fetal or adult bovine articular cartilage was minced, decellularized, freeze-dried, ground, and sieved to produce articular …
Initial Soil Conditions Outweigh Management In A Cool-Season Dairy Farm's Carbon Sequestration Potential, Kyle A. Arndt, Eleanor E. Campbell, Chris D. Dorich, A. Stuart Grandy, Timothy S. Griffin, Peter Ingraham, Apryl L. Perry, Ruth K. Varner, Alexandra R. Contosta
Initial Soil Conditions Outweigh Management In A Cool-Season Dairy Farm's Carbon Sequestration Potential, Kyle A. Arndt, Eleanor E. Campbell, Chris D. Dorich, A. Stuart Grandy, Timothy S. Griffin, Peter Ingraham, Apryl L. Perry, Ruth K. Varner, Alexandra R. Contosta
Faculty Publications
Pastures and rangelands are a dominant portion of global agricultural land and have the potential to sequester carbon (C) in soils, mitigating climate change. Management intensive grazing (MIG), or high density grazing with rotations through paddocks with long rest periods, has been highlighted as a method of enhancing soil C in pastures by increasing forage production. However, few studies have examined the soil C storage potential of pastures under MIG in the northeastern United States, where the dairy industry comprises a large portion of agricultural use and the regional agricultural economy. Here we present a 12-year study conducted in this …
Neural Correlates Of Inhibitory Control And Associations With Cognitive Outcomes In Bangladeshi Children Exposed To Early Adversities, Eileen F. Sullivan, Wanze Xie, Stefania Conte, John E. Richards, Talat Shama, Rashidul Haque, William A. Petri, Charles A. Nelson
Neural Correlates Of Inhibitory Control And Associations With Cognitive Outcomes In Bangladeshi Children Exposed To Early Adversities, Eileen F. Sullivan, Wanze Xie, Stefania Conte, John E. Richards, Talat Shama, Rashidul Haque, William A. Petri, Charles A. Nelson
Faculty Publications
There is strong support for the view that children growing up in low-income homes typically evince poorer performance on tests of inhibitory control compared to those growing up in higher income homes. Unfortunately, the vast majority of the work documenting this association has been conducted in high-income countries. It is not yet known whether the mechanisms found to mediate this association would generalize to children in low- and middle-income countries, where the risks of exposure to extreme poverty and a wide range of both biological and psychosocial hazards may be greater. We examined relations among early adversity, neural correlates of …
The Ability Of Resveratrol To Attenuate Ovalbumin-Mediated Allergic Asthma Is Associated With Changes In Microbiota Involving The Gut-Lung Axis, Enhanced Barrier Function And Decreased Inflammation In The Lungs, Prakash Nagarkatti, Esraah Alharris, Hasan Alghetaa, Juhua Zhou, Mitzi Nagarkatti
The Ability Of Resveratrol To Attenuate Ovalbumin-Mediated Allergic Asthma Is Associated With Changes In Microbiota Involving The Gut-Lung Axis, Enhanced Barrier Function And Decreased Inflammation In The Lungs, Prakash Nagarkatti, Esraah Alharris, Hasan Alghetaa, Juhua Zhou, Mitzi Nagarkatti
Faculty Publications
Asthma is a chronic respiratory disease highly prevalent worldwide. Recent studies have suggested a role for microbiome-associated gut–lung axis in asthma development. In the current study, we investigated if Resveratrol (RES), a plant-based polyphenol, can attenuate ovalbumin (OVA)-induced murine allergic asthma, and if so, the role of microbiome in the gut–lung axis in this process. We found that RES attenuated allergic asthma with significant improvements in pulmonary functions in OVA-exposed mice when tested using plethysmography for frequency (F), mean volume (MV), specific airway resistance (sRaw), and delay time(dT). RES treatment also suppressed inflammatory cytokines in the lungs. RES modulated lung …
“Truth Is The Only Ground”: How Journalism Contributes To Good Government, Edward L. Carter
“Truth Is The Only Ground”: How Journalism Contributes To Good Government, Edward L. Carter
Faculty Publications
Now, after twenty years of teaching journalism as a college professor and fifteen years of periodically representing journalists as a lawyer, I believe the viability of our system of government at local, state, and national levels depends more than ever on good journalism. But amid rapid and unsettling social and technological change, journalism and government are degenerating. Journalists and public officials need to do better, and I believe informed community members should influence reforms and innovations while insisting on adherence to core values. Doing so will require community members to set aside some selfish interests and ask the same of …
An Efficient Deep Learning Model To Detect Covid-19 Using Chest X-Ray Images, Somenath Chakraborty, Beddhu Murali, Amal K. Mitra
An Efficient Deep Learning Model To Detect Covid-19 Using Chest X-Ray Images, Somenath Chakraborty, Beddhu Murali, Amal K. Mitra
Faculty Publications
The tragic pandemic of COVID-19, due to the Severe Acute Respiratory Syndrome coronavirus-2 or SARS-CoV-2, has shaken the entire world, and has significantly disrupted healthcare systems in many countries. Because of the existing challenges and controversies to testing for COVID-19, improved and cost-effective methods are needed to detect the disease. For this purpose, machine learning (ML) has emerged as a strong forecasting method for detecting COVID-19 from chest X-ray images. In this paper, we used a Deep Learning Method (DLM) to detect COVID-19 using chest X-ray (CXR) images. Radiographic images are readily available and can be used effectively for COVID-19 …
Hippocampal Ensembles Represent Sequential Relationships Among An Extended Sequence Of Nonspatial Events, Babak Shahbaba, Lingge Li, Forest Agostinelli, Mansi Saraf, Keiland W. Cooper, Derenik Haghverdian, Gabriel A. Elias, Pierre Baldi, Norbert J. Fortin
Hippocampal Ensembles Represent Sequential Relationships Among An Extended Sequence Of Nonspatial Events, Babak Shahbaba, Lingge Li, Forest Agostinelli, Mansi Saraf, Keiland W. Cooper, Derenik Haghverdian, Gabriel A. Elias, Pierre Baldi, Norbert J. Fortin
Faculty Publications
The hippocampus is critical to the temporal organization of our experiences. Although this fundamental capacity is conserved across modalities and species, its underlying neuronal mechanisms remain unclear. Here we recorded hippocampal activity as rats remembered an extended sequence of nonspatial events unfolding over several seconds, as in daily life episodes in humans. We then developed statistical machine learning methods to analyze the ensemble activity and discovered forms of sequential organization and coding important for order memory judgments. Specifically, we found that hippocampal ensembles provide significant temporal coding throughout nonspatial event sequences, differentiate distinct types of task-critical information sequentially within events, …
Moral Disengagement Mechanisms Predict Cyber Aggression Among Emerging Adults, Taylor R. Nocera, Eric R. Dahlen, Alison Poor, Jacqueline Strowd, Amanda Dortch, Erica C. Van Overloop
Moral Disengagement Mechanisms Predict Cyber Aggression Among Emerging Adults, Taylor R. Nocera, Eric R. Dahlen, Alison Poor, Jacqueline Strowd, Amanda Dortch, Erica C. Van Overloop
Faculty Publications
The Internet has given rise to many new communication tools (e.g., social media, text messaging), which, while beneficial in many respects, have become a means for aggressing against others. As evidence of the adverse correlates of cyber aggression mounts, improved understanding of the mechanisms that facilitate electronic aggression is needed. Moral disengagement (i.e., cognitive processes through which individuals disengage from their moral values) has been shown to predict cyber aggression when assessed as a unitary construct. The present study investigated the eight moral disengagement mechanisms measured by the Moral Disengagement Measure (Detert et al., 2008) and their relationships to four …
Singing Strategies Are Linked To Perch Use On Foraging Territories In Heart-Nosed Bats, Grace C. Smarsh, Ashley M. Long, Michael Smotherman
Singing Strategies Are Linked To Perch Use On Foraging Territories In Heart-Nosed Bats, Grace C. Smarsh, Ashley M. Long, Michael Smotherman
Faculty Publications
Acoustic communication allows animals to coordinate and optimize resource utilization in space. Cardioderma cor, the heart-nosed bat, is one of the few species of bats known to sing during nighttime foraging. Previous research found that heart-nosed bats react aggressively to song playback, supporting the territorial defense hypothesis of singing in this species. We further investigated the territorial defense hypothesis from an ecological standpoint, which predicts that singing should be associated with exclusive areas containing a resource, by tracking 14 individuals nightly during the dry seasons in Tanzania. We quantified the singing behavior of individuals at all perches used throughout the …
Strict Lyapunov Functions And Feedback Controls For Sir Models With Quarantine And Vaccination, Hiroshi Ito, Michael Malisoff, Frederic Mazenc
Strict Lyapunov Functions And Feedback Controls For Sir Models With Quarantine And Vaccination, Hiroshi Ito, Michael Malisoff, Frederic Mazenc
Faculty Publications
We provide a new global strict Lyapunov function construction for a susceptible, infected, and recovered (or SIR) disease dynamics that includes quarantine of infected individuals and mass vaccination. We use the Lyapunov function to design feedback controls to asymptotically stabilize a desired endemic equilibrium, and to prove input-to-state stability for the dynamics with a suitable restriction on the disturbances. Our simulations illustrate the potential of our feedback controls to reduce peak levels of infected individuals.
Predator-Pest Dynamics Of Arthropods Residing In Louisiana Soybean Agroecosystems, Scott T. Lee, Chaoyang Li, Jeffrey A. Davis
Predator-Pest Dynamics Of Arthropods Residing In Louisiana Soybean Agroecosystems, Scott T. Lee, Chaoyang Li, Jeffrey A. Davis
Faculty Publications
Over the past two decades, management practices within Louisiana soybean production have shifted. Successful application of an integrated pest management (IPM) strategy requires an understanding of how these changes have affected predator-pest dynamics. Surveys monitoring foliage-foraging arthropod populations in soybean took place across six locations within Louisiana over six years (2012–2014 and 2015–2018). Temporal associations of pest groups, defoliating and piercing-sucking, and predator groups relating to soybean phenology were observed. Additionally, soybean maturity groups (III, IV, and V) were also evaluated to delineate potential differences. Results indicated higher abundances of piercing-sucking pests compared to defoliating pests across both datasets (2012–2014 …
Nudging Away From Plastic Bags With Charitable Donations, Jerrod Penn, Sapana Bastola, Wuyang Hu
Nudging Away From Plastic Bags With Charitable Donations, Jerrod Penn, Sapana Bastola, Wuyang Hu
Faculty Publications
To respond to the environmental problems posed by disposable plastic bags, several mechanisms exist, such as bag taxes and bans, but such policies are infeasible in several U.S. states and municipalities. This study uses a social quasi-experiment to examine the effect of a voluntary token-donation program, which reduces disposable plastic bag use by providing a small charitable donation incentive. We find that the token-donation program reduces the probability of disposable bag use by 11.4–12.9 percentage points, representing about 30%–34% decrease in bag use. Our results demonstrate effective mechanisms to reduce plastic bags exist without government-mandated policy.
Docking And Molecular Dynamic Of Microalgae Compounds As Potential Inhibitors Of Beta-Lactamase, Roberto Pestana-Nobles, Yani Aranguren-Diaz, Elwi Machado-Sierra, Juvenal Yosa, Nataly J. Galan-Freyle,, Laura X. Sepulveda-Montano, Daniel G. Kuroda, Leonardo C. Pacheco-Londono
Docking And Molecular Dynamic Of Microalgae Compounds As Potential Inhibitors Of Beta-Lactamase, Roberto Pestana-Nobles, Yani Aranguren-Diaz, Elwi Machado-Sierra, Juvenal Yosa, Nataly J. Galan-Freyle,, Laura X. Sepulveda-Montano, Daniel G. Kuroda, Leonardo C. Pacheco-Londono
Faculty Publications
Bacterial resistance is responsible for a wide variety of health problems, both in children and adults. The persistence of symptoms and infections are mainly treated with beta-lactam antibiotics. The increasing resistance to those antibiotics by bacterial pathogens generated the emergence of extended-spectrum beta-lactamases (ESBLs), an actual public health problem. This is due to rapid mutations of bacteria when exposed to antibiotics. In this case, beta-lactamases are enzymes used by bacteria to hydrolyze the beta-lactam rings present in the antibiotics. Therefore, it was necessary to explore novel molecules as potential beta-lactamases inhibitors to find antibacterial compounds against infection caused by ESBLs. …
Is Catalase An Effective Additive To Alleviate Oxidative Stress During Cryopreservation Of Zebrafish Sperm At The Repository Level?, Huiping Yang, E. Hu, Jennifer L. Matthews, Zoltan M. Varga, Terrence R. Tiersch
Is Catalase An Effective Additive To Alleviate Oxidative Stress During Cryopreservation Of Zebrafish Sperm At The Repository Level?, Huiping Yang, E. Hu, Jennifer L. Matthews, Zoltan M. Varga, Terrence R. Tiersch
Faculty Publications
The goal of this study was to investigate whether supplementation of cryoprotective medium with catalase (CAT), an antioxidation enzyme, is efficient for zebrafish sperm cryopreservation from the viewpoint of high-throughput genetic repository operations. Three cryoprotectants (10%, v/v), dimethylacetamide (DMA), dimethylformamide (DMF), and methanol were used. The objectives were to evaluate the effects of CAT on sperm motility, plasma membrane integrity, and concentration for: 1) fresh sperm at equilibration up to 60 min; 2) post-thaw sperm after cooling at 10, 20, and 40 °C/min), and 3) post-thaw fertilization and embryo survival rates. Catalase addition did not improve sperm motility, regardless of …
Desiring Jesus: Ellen White And Worship, David A. Williams
Desiring Jesus: Ellen White And Worship, David A. Williams
Faculty Publications
No abstract provided.
Preemption & Gender & Racial (In)Equity: Why State Tort Law Is Needed In The Cosmetic Context, Marie C. Boyd
Preemption & Gender & Racial (In)Equity: Why State Tort Law Is Needed In The Cosmetic Context, Marie C. Boyd
Faculty Publications
Much of the legal scholarship on the preemption of state tort law in the food and drug context and beyond has focused on issues of federalism. While the literature has considered the relationship between state tort law and the regulatory system, it has not generally explored the impact the federal preemption of state tort law may have on women and people of color. Similarly, while the literature has grappled with gender and racial justice issues in the tort system, including in the context of tort reform, it has largely not examined the gender and racial equity issues raised by federal …