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Articles 1201 - 1230 of 16631
Full-Text Articles in Physical Sciences and Mathematics
Assessing The Pre- And Post-Synaptic Effects Of Opioids On Inspiratory Rhythmogenesis, Diego F. Morandi Zerpa, Jingzhi Zhao
Assessing The Pre- And Post-Synaptic Effects Of Opioids On Inspiratory Rhythmogenesis, Diego F. Morandi Zerpa, Jingzhi Zhao
Biology and Medicine Through Mathematics Conference
No abstract provided.
Stokes Flow Around Beating Microorganisms, Mckenna A. Witt
Stokes Flow Around Beating Microorganisms, Mckenna A. Witt
Biology and Medicine Through Mathematics Conference
No abstract provided.
Modeling Overwash Processes And Sea Level Rise On Barrier Islands, Beth Thomas
Modeling Overwash Processes And Sea Level Rise On Barrier Islands, Beth Thomas
Biology and Medicine Through Mathematics Conference
No abstract provided.
A Random Differential Equation Model To Estimate Treatment Sensitivity In Synthetic And In Vitro Tumor Growth Data, Natalie Meacham
A Random Differential Equation Model To Estimate Treatment Sensitivity In Synthetic And In Vitro Tumor Growth Data, Natalie Meacham
Biology and Medicine Through Mathematics Conference
No abstract provided.
A Comparative Analysis Of Source Identification Algorithms, Pablo A. Curiel
A Comparative Analysis Of Source Identification Algorithms, Pablo A. Curiel
Biology and Medicine Through Mathematics Conference
No abstract provided.
Understanding Cardiovascular Dynamics: Insights From Data Driven Nonlinear Hyperelastic Wall Modeling In Pulmonary Arteries, Md Arifuzzaman, Mette S. Olufsen, Mansoor A. Haider
Understanding Cardiovascular Dynamics: Insights From Data Driven Nonlinear Hyperelastic Wall Modeling In Pulmonary Arteries, Md Arifuzzaman, Mette S. Olufsen, Mansoor A. Haider
Biology and Medicine Through Mathematics Conference
No abstract provided.
Modeling Synergistic Effects Of Integrin And Tgf-Beta Signaling In Epithelial Mesenchymal Transition, Prerak Thakkar
Modeling Synergistic Effects Of Integrin And Tgf-Beta Signaling In Epithelial Mesenchymal Transition, Prerak Thakkar
Biology and Medicine Through Mathematics Conference
No abstract provided.
Dual-Domain Clustering Of Spatiotemporal Infectious Disease Data, Samuel R. Thornton, Erin C.S. Acquesta, Patrick D. Finley, Mansoor A. Haider
Dual-Domain Clustering Of Spatiotemporal Infectious Disease Data, Samuel R. Thornton, Erin C.S. Acquesta, Patrick D. Finley, Mansoor A. Haider
Biology and Medicine Through Mathematics Conference
No abstract provided.
Incorporating Awareness, Misinformation And Optimal Control In A Model Of Sars-Cov-2, Eric Numfor
Incorporating Awareness, Misinformation And Optimal Control In A Model Of Sars-Cov-2, Eric Numfor
Biology and Medicine Through Mathematics Conference
No abstract provided.
Mathematical Modeling Of Immune Response To Sars-Cov-2, Hwayeon Ryu
Mathematical Modeling Of Immune Response To Sars-Cov-2, Hwayeon Ryu
Biology and Medicine Through Mathematics Conference
No abstract provided.
Information Feedback Delays Within Epidemic Models And Their Effect On Model Dynamics., Maria K. Bouka, Christopher Strickland Dr
Information Feedback Delays Within Epidemic Models And Their Effect On Model Dynamics., Maria K. Bouka, Christopher Strickland Dr
Biology and Medicine Through Mathematics Conference
No abstract provided.
Mathematically Modeling Stoichiometric Drivers Of Nitrogen Fixation, Rebecca Everett, Corday Selden, Mohamed Hatha Abdulla, Jabir Thajudeen, James Powell, Edwin Cruz-Rivera, Luca Schenone, Renn Schipper, Megan Berberich, Halvor Halvorson, Robinson Fulweiler, Amy Marcarelli, Thad Scott
Mathematically Modeling Stoichiometric Drivers Of Nitrogen Fixation, Rebecca Everett, Corday Selden, Mohamed Hatha Abdulla, Jabir Thajudeen, James Powell, Edwin Cruz-Rivera, Luca Schenone, Renn Schipper, Megan Berberich, Halvor Halvorson, Robinson Fulweiler, Amy Marcarelli, Thad Scott
Biology and Medicine Through Mathematics Conference
No abstract provided.
Topological Data Analysis Of Molecular Dynamics Simulations Of Monoclonal Antibodies, Melinda Kleczynski, Christina Bergonzo, Anthony Kearsley
Topological Data Analysis Of Molecular Dynamics Simulations Of Monoclonal Antibodies, Melinda Kleczynski, Christina Bergonzo, Anthony Kearsley
Biology and Medicine Through Mathematics Conference
No abstract provided.
Stochastic Immunology Model And Its Analysis, Rahnuma Islam, David Swigon
Stochastic Immunology Model And Its Analysis, Rahnuma Islam, David Swigon
Biology and Medicine Through Mathematics Conference
No abstract provided.
A Stochastic Multi-Host Model For West Nile Virus: Determining The Probability Of Disease Extinction!, Suzanne Robertson
A Stochastic Multi-Host Model For West Nile Virus: Determining The Probability Of Disease Extinction!, Suzanne Robertson
Biology and Medicine Through Mathematics Conference
No abstract provided.
Clustering Using Self Organizing Maps In Biology, Olcay Akman
Clustering Using Self Organizing Maps In Biology, Olcay Akman
Biology and Medicine Through Mathematics Conference
No abstract provided.
Decoding Immune Cell Navigation: Integrating Artificial Life Modeling With Tumor Microenvironment Dynamics, Sadegh Marzban
Decoding Immune Cell Navigation: Integrating Artificial Life Modeling With Tumor Microenvironment Dynamics, Sadegh Marzban
Biology and Medicine Through Mathematics Conference
No abstract provided.
Plenary: Mathematics Of Malaria Transmission Dynamics: The Renewed Quest For Eradication, Abba Gumel
Plenary: Mathematics Of Malaria Transmission Dynamics: The Renewed Quest For Eradication, Abba Gumel
Biology and Medicine Through Mathematics Conference
No abstract provided.
Plenary: Insights Into Depression: Mathematical Approaches, Janet Best
Plenary: Insights Into Depression: Mathematical Approaches, Janet Best
Biology and Medicine Through Mathematics Conference
No abstract provided.
Loneliness And Parental Relationships Among College Students, Alanna James, Charlie Barna
Loneliness And Parental Relationships Among College Students, Alanna James, Charlie Barna
Symposium of Student Scholars
The transition to adulthood is a unique developmental period that involves rapid changes in youths’ individual development and social contexts, which can involve leaving behind familiar support networks (Eeske et al,. 2015). Common experiences during the transition to adulthood, like leaving home, pursuing college, and entering the workforce can leave individuals feeling marginalized and cutoff (Mathews et al,. 2022). Loneliness is a subjective feeling experienced by individuals in all age demographics (Matthews et al,. 2022). Despite a wide array of research on social connectedness interventions for older adults and people with physical disabilities (Zagic et al,. 2021), there is little …
Generating Channel Morphology Data Through Arcgis Pro, Ethan Manigbas
Generating Channel Morphology Data Through Arcgis Pro, Ethan Manigbas
Symposium of Student Scholars
River cross-sections are often extracted using field surveys at measured intervals. This field-oriented approach allows for a tangible relationship between the data and its collector but at the expense of finance, time, labor, and potentially the environment. With the advancement of geospatial tools, such data can be found online, extracted, and even analyzed with contemporary Geographic Information Systems (GIS) in a completely virtual setting, transcending the need for fieldwork in select project topics. We tested this approach with the help of ArcGIS Pro software on the Vishnu Springs headwater stream located in the Western Illinois region of the Upper Mississippi …
The Classification Of Internet Memes Through Supervised And Unsupervised Machine Learning Algorithms, William H. Little
The Classification Of Internet Memes Through Supervised And Unsupervised Machine Learning Algorithms, William H. Little
Symposium of Student Scholars
Memes, those captivating internet phenomena, effortlessly deliver online entertainment. By leveraging time-series data from Google Trends, we can vividly illustrate and dissect the dynamic trends in meme popularity. Previous studies have discerned four distinct post-peak popularity patterns— "smoothly decaying," "spikey decaying," "leveling off," and "long-term growth"—and elegantly modeled these using ordinary differential equations.
This research introduces a programmatic approach that harnesses both supervised and unsupervised machine learning algorithms. The dataset, now expanded to over 2000 elements, becomes the canvas for exploration. The K-means algorithm identifies clusters, which then serve as labels for the supervised SVC algorithm. The overarching goal is …
Exploring Neural Networks For Breast Cancer Tissue Classification, Stephen Jacobs, Md Abdullah Al Hafiz Khan
Exploring Neural Networks For Breast Cancer Tissue Classification, Stephen Jacobs, Md Abdullah Al Hafiz Khan
Symposium of Student Scholars
Last year, more than 240 thousand women in the United States were diagnosed with breast cancer. These patients are benefitting from decades of data that have been collected by cancer research institutions around the world. Tissue samples are analyzed and cataloged by these institutions, and several facilities like the University of Wisconsin are sharing this historical data to promote the advancement of new cancer treatments. Deep learning and neural network models are being built for this data to help doctors diagnose faster and design treatment options for patients by comparing their tissue samples with these historical datasets. We will use …
Spectral Characterization Of High-Speed Sers Fluctuations, Makayla Schmidt, Emily A. Farley, Marit A. Engevik, Alexandre G. Brolo, Nathan Lemke, Nathan Lindquist
Spectral Characterization Of High-Speed Sers Fluctuations, Makayla Schmidt, Emily A. Farley, Marit A. Engevik, Alexandre G. Brolo, Nathan Lemke, Nathan Lindquist
Science Symposium
The concept of plasmonic “hotspots” is central to the broad field of nanophotonics. In surface-enhanced Raman scattering (SERS), hotspots can increase Raman scattering efficiency by orders of magnitude. Hotspot dimensions may range from a few nanometers down to the atomic scale and are able to generate SERS signals from single molecules. However, these single-molecule SERS signals often show significant fluctuations, and the concept of intense, localized, yet static hotspots has come into question. Recent experiments have shown these SERS intensity fluctuations (SIFs) to occur over an extremely wide range of timescales, from seconds to micro-seconds, due to the various physical …
Ankle Mobility And Balance In A Healthy College-Aged Population: A Correlational Study, Anna Johnson, Maddy Roiger, Ellie Stewart, Leah Jackson
Ankle Mobility And Balance In A Healthy College-Aged Population: A Correlational Study, Anna Johnson, Maddy Roiger, Ellie Stewart, Leah Jackson
Science Symposium
This study aimed to investigate the relationship between ankle mobility and balance in a young, healthy population, filling a gap in existing literature primarily focused on older adults. The findings revealed no significant correlation between ankle mobility and balance measures in the college-aged subjects. While previous research in elderly populations suggested a link between ankle mobility and balance, this study suggests that such a relationship may not hold true for younger individuals. These results underscore the importance of considering age-related differences and overall health status when exploring factors affecting balance, potentially guiding future research and intervention strategies aimed at improving …
Search For Vector-Like B Quarks In Cms Run 2, Kalin Johnson, Xiaohe Shen, Julie Hogan
Search For Vector-Like B Quarks In Cms Run 2, Kalin Johnson, Xiaohe Shen, Julie Hogan
Science Symposium
We present a search for a single vector-like B quark that decays to a top quark and W boson. In the single lepton final state, the B quark can be reconstructed from the lepton, missing transverse momentum, and one large-radius jet. We will present developments of the RDataFrame workflows for the search and optimization of the B quark reconstruction process.
The Effect Of Metabolic Modulators On The Rate Of Steady State Water Exchange In S. Cerevisiae Grown In Chemostat Bioreactors, Samantha Mumford, Mark Woods, Johnathan Dutra
The Effect Of Metabolic Modulators On The Rate Of Steady State Water Exchange In S. Cerevisiae Grown In Chemostat Bioreactors, Samantha Mumford, Mark Woods, Johnathan Dutra
Student Research Symposium
Water transport across the lipid bilayer due to osmotic stress causes a change in intracellular volume over time. At isotonic equilibrium there is no change in cell volume and yet water exchange does not stop. Water molecules continue to exchange rapidly with those of the extracellular space. The rate constant for steady state water efflux (kio) can be measured using contrast enhanced magnetic resonance (MR) and the two-site exchange (2SX) model. kio is known to correlate with the cellular energy molecule ATP making it a probable biomarker for metabolic diseases such as cancer. Measurements of k …
Improving Tattle-Tale K-Deniability, Nicholas G.E. Morales
Improving Tattle-Tale K-Deniability, Nicholas G.E. Morales
Student Research Symposium
Ensuring privacy for databases is an ongoing struggle. While the majority of work has focused on using access control lists to protect sensitive data these methods are vulnerable to inference attacks. A set of algorithms, referred to as Tattle-Tale, was developed that could protect sensitive data from being inferred however its runtime performance wasn’t suitable for production code. This set of algorithms contained two main subsets, Full Deniability and K-Deniability. My research focused on improving the runtime or utility of the K-Deniability algorithms. I investigated the runtime of the K-Deniability algorithms to identify what was slowing the process down. Aside …
Integration Of Agent Models And Meta Reinforcement Learning (Meta-Rl) Algorithms For Car Racing Experiment, Vidyavarshini Holenarasipur Jayashankar
Integration Of Agent Models And Meta Reinforcement Learning (Meta-Rl) Algorithms For Car Racing Experiment, Vidyavarshini Holenarasipur Jayashankar
Student Research Symposium
Introduction: Achieving optimal performance in 2D racing games presents unique challenges, requiring adaptive strategies and advanced learning algorithms. This research explores the integration of sophisticated agent models with Meta Reinforcement Learning (Meta-RL) techniques, specifically Model-Agnostic Meta-Learning (MAML) and Proximal Policy Optimization (PPO), to enhance decision-making and adaptability within these simulated environments. We hypothesize that this innovative approach will lead to marked improvements in game performance and learning efficiency.
Methods: In our experimental setup, we applied MAML for its rapid adaptation capabilities and PPO for optimizing the agents' policy decisions within a 2D racing game simulator. The objective was …
Beavers Beyond Boundaries: Perceptions Of Beaver-Related Restoration, Matthew V. Guziejka
Beavers Beyond Boundaries: Perceptions Of Beaver-Related Restoration, Matthew V. Guziejka
Student Research Symposium
The study "Beavers Beyond Boundaries: Perceptions of Beaver-Related Restoration" conducted by Matt Guziejka and Heejun Chang from the WISE Lab, Department of Geography at Portland State University, delves into the social, cultural, and environmental dimensions of Beaver-Related Restoration (BRR) within the urban setting of the Tualatin River watershed. Utilizing a voluntary survey with 187 participants across three urban watershed sites, the research aimed to analyze community perceptions concerning beavers and their impact on the environment, particularly in relation to their proximity to watercourses. Findings indicate that proximity significantly affects attitudes towards beavers, with those living closer to watercourses demonstrating more …