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Articles 361 - 390 of 27440
Full-Text Articles in Entire DC Network
The Kinematics And Aerodynamics Of Freely Flying Tiny Insects, Evan J. Williams
The Kinematics And Aerodynamics Of Freely Flying Tiny Insects, Evan J. Williams
USF Tampa Graduate Theses and Dissertations
Tiny insects are an extremely diverse set of organisms that have important engineering and economic applications. These organisms often fly and readily disperse distances that far exceed their body lengths. The mechanisms behind tiny insect flight are not well understood and present complex kinematics and unintuitive aerodynamics that depart from both fixed-winged mechanisms and larger insects. In addition, their tiny spatial and fast temporal scales make them exceedingly difficult to study, and to date, the field has relied on numerical studies and dynamic scaling. Herein, we describe three projects that significantly advanced our understanding of tiny insect flight and experimental …
Anhedonic Features In Effort-Related Reward Processing, Harold Alexander Rocha
Anhedonic Features In Effort-Related Reward Processing, Harold Alexander Rocha
USF Tampa Graduate Theses and Dissertations
Emerging evidence suggests that distinct stages of reward processing uniquely contribute to psychological traits linked to anhedonia, a core mood-disorder symptom characterized by diminished enjoyment of pleasure. However, the relationship between reward-processing stages and dispositional traits related to mood and anhedonia remains unclear. The present study investigated interindividual reward processing differences in a healthy college sample (n = 83) using self-report measures and event-related brain potentials (ERPs) indexing anticipatory and consummatory subprocesses across high- and low-effort conditions using a recently developed effort-doors task. The goal of the study was first to replicate the original ERP experimental effects of the task …
Designing A Cave Air Monitoring System: Guide And Feedback From 15 Years Of Monitoring The Cussac Cave (France), Nicolas Peyraube, Jessica D. Villanueva, Fabien Naessens, Roland Lastennet, Sylvain Mateo, Alain Denis
Designing A Cave Air Monitoring System: Guide And Feedback From 15 Years Of Monitoring The Cussac Cave (France), Nicolas Peyraube, Jessica D. Villanueva, Fabien Naessens, Roland Lastennet, Sylvain Mateo, Alain Denis
International Journal of Speleology
Understanding the cave’s ventilation system is important for determining how the cavity interacts with external airflow. This requires a well-designed monitoring system. This article addresses these key aspects: how to build a monitoring system for cave air parameters and how to assess the ventilation of a cave. We proposed a flowchart to help address the issues in: 1) the modularity of a monitoring system, 2) the use of “homemade device” or “ready to use device”, 3) the frequency of measure and its effect on the electrical consumption, 4) the duration of the survey, and 5) the accessibility of the recorded …
Development Of S(Vi) And S(Iv) Chemistry: From Asymmetric Synthesis To Covalent Reactive Groups, Chuan Shan
Development Of S(Vi) And S(Iv) Chemistry: From Asymmetric Synthesis To Covalent Reactive Groups, Chuan Shan
USF Tampa Graduate Theses and Dissertations
This dissertation mainly covers the development of synthetic methodologies related to several heteroatom functional groups, including phosphonates P(V), sulfoximines S(VI), sulfonimidamides S(VI), sulfonimidoyl fluorides S(VI), and sulfinamides S(IV). The interests in these functionalities are not only out of chemistry curiosity but also due to their pharmaceutical importance indicated by the existing drug molecules that contain these functional groups. The first chapter introduced the importance of phosphonates in biochemistry and organic synthesis, also provided some essential background of our synthetic efforts. The second chapter described the phosphonate synthesis from commercially available starting materials, with the purpose to obtain heterocyclic phosphonates in …
“Smart Trap”: A Portable Device For Real-Time Mosquito Capturing And Classification Using Image-Based Analysis, Fahim Rahman
“Smart Trap”: A Portable Device For Real-Time Mosquito Capturing And Classification Using Image-Based Analysis, Fahim Rahman
USF Tampa Graduate Theses and Dissertations
Capturing mosquitoes in real-time and taking high-quality images for classification with state-of-the-art methods is not only time-consuming but also expensive. Sometimes even carefully controlled environments and experimental setups fail to capture living mosquitoes. Catching live mosquitoes is necessary to be able to study aspects of their physiology and behavior that cannot be investigated by collections of resting mosquitoes and dead specimens, and to help estimate the local population numbers. My thesis introduces a “Smart Trap”, a small portable device that can attract mosquitoes in real-time, capture them, take high-quality images with dual cameras, and store those images in the cloud. …
Distributed Repeaters For Extending The Range Of Harmonic Rf Tags, Trevor Saunders
Distributed Repeaters For Extending The Range Of Harmonic Rf Tags, Trevor Saunders
USF Tampa Graduate Theses and Dissertations
Passive harmonic Radio Frequency (RF) tags are highly advantageous compared to theiractive counterparts due to their ability to operate effectively in environments that are cluttered or where access to the tag for battery maintenance is challenging, dangerous and/or time consuming. They are also resistant to the local oscillator (LO) phase noise in radar applications where the doppler frequency from slow moving targets is buried beneath the noise. One of the major constraints of passive harmonic RF tags, however, lies in their operating range and the significant amount of power required to overcome the conversion loss and activate the nonlinear device …
Protracting The Immediate: Time As Form In Contemporary Horror, Kennedy Kelley
Protracting The Immediate: Time As Form In Contemporary Horror, Kennedy Kelley
USF Tampa Graduate Theses and Dissertations
This thesis examines the expression and experience of temporality in horror films of the last decade. Whereas early twenty-first century horror was characterized by high-octane jump scares, current horror is marked by contemplative slowness. I argue that the elongated duration of recent horror extends an experience of indeterminate anxiety that attunes us to an expansive relationality, offering a corrective not only to contemporary logics of immediacy, but also to the frequently constricting nature of embodiment as a theoretical concept. Recent horror scholarship tends to center sensuous propinquity in response to a long history of gaze theory’s disembodied passivity. While these …
Functional Characterization Of Cryopreserved Plasmodium Yoelii Sporozoites In Vitro, Victoria I. Mills
Functional Characterization Of Cryopreserved Plasmodium Yoelii Sporozoites In Vitro, Victoria I. Mills
USF Tampa Graduate Theses and Dissertations
Malaria is a major global health burden, contributing to morbidity and mortality across various continents. Due to challenges in malaria research and its advancements, developing novel interventions and further understanding host-parasite interactions is required for future studies. Plasmodium vivax is a human malaria species that is difficult to maintain in laboratory settings, posing obstacles in research. Cryopreservation offers a reliable method to provide a consistent supply of sporozoites for reproducible studies. Plasmodium yoelii is a rodent malaria model commonly used in studies due to its genetic similarity to human malaria species. Utilizing cryopreserved P. yoelii sporozoites potentially extends their usability …
“We Will Tend To It”: The Reconstruction Of The Wimauma, Florida’S Bethune Area Through Archival Research And Oral Histories, Alanah Cooper
“We Will Tend To It”: The Reconstruction Of The Wimauma, Florida’S Bethune Area Through Archival Research And Oral Histories, Alanah Cooper
USF Tampa Graduate Theses and Dissertations
This study focuses on heritage preservation efforts led by Wimauma community members interested in preserving the history and heritage of Wimauma’s Bethune Area—a historically African American community. This study aims to challenge the dominant narratives of Wimauma that erase/silence the tangible and intangible legacy of the Bethune Area. By collecting and drawing upon oral histories from community residents; engaging in participant observations; conducting archival research, my thesis will strive to construct an expanded narrative of Wimauma to include the history and heritage of the Bethune Area and the everyday lives of underrepresented people and families who helped shape Wimauma. This …
Antarctic Tunicate Synoicum Species-Derived Alkaloids And Methods Of Treatment, Bill J. Baker, Laurent J. Calcul, Kim Pham, Sofia Kokkaliari, Alexander Dettmar Crawford, Nargess Shahbazi
Antarctic Tunicate Synoicum Species-Derived Alkaloids And Methods Of Treatment, Bill J. Baker, Laurent J. Calcul, Kim Pham, Sofia Kokkaliari, Alexander Dettmar Crawford, Nargess Shahbazi
USF Patents
Pharmaceutical compositions containing one of five novel alkaloids isolated from a deep water Antarctic tunicate and methods of uses thereof are presented. The alkaloids belong to a family of compounds with known central nervous system (CNS) activity. The compounds display more oxidation than other members of the family, which may bestow additional bioactivity.
Crow's Nest, February 24, 2025, Crow's Nest Staff
Crow's Nest, February 24, 2025, Crow's Nest Staff
Crow's Nest
The February 24, 2025 edition of Crow's Nest.
Automated And Assisted Identification Of Stroke Using Feature-Based Brain Imaging, Karl A. Kasischke, William Scott Burgin
Automated And Assisted Identification Of Stroke Using Feature-Based Brain Imaging, Karl A. Kasischke, William Scott Burgin
USF Patents
Provided herein are systems and methods for automated identification of volumes of interest in volumetric brain images using artificial intelligence (AI) enhanced imaging to diagnose and treat acute stroke. The methods can include receiving image data of a brain having header data and voxel values that represent an interruption in blood supply of the brain when imaged, extracting the header data from the image data, populating an array of cells with the voxel values, applying a segmenting analysis to the array to generate a segmented array, applying a morphological neighborhood analysis to the segmented array to generate a features relationship …
The Integrated Monitoring Of Karst Systems (Miks) Model, Applied In Karst Studies In Bulgaria, Petar Stefanov, Dilyana Stefanova, Peter Nojarov
The Integrated Monitoring Of Karst Systems (Miks) Model, Applied In Karst Studies In Bulgaria, Petar Stefanov, Dilyana Stefanova, Peter Nojarov
International Journal of Speleology
Karst is a widespread natural phenomenon that is highly sensitive and very vulnerable to both natural and various anthropogenic impacts. This is due to the complex structure of karst territories, which comprise both surface forms and complex systems of underground cavities. Therefore, the study of karst requires a geosystem approach and integrated monitoring, which gives a real idea of the state of karst geosystems and the impacts of global changes on karstogenesis. The article presents a model of this approach, which is applied in karst studies in Bulgaria. The methodological basis is the original ProKARSTerra paradigm, based on the geosystem …
Frameworks For Measuring Regenerative Tourism: Supply And Demand Indicators With A Dynamic And Holistic Approach, Asif Hussain
Frameworks For Measuring Regenerative Tourism: Supply And Demand Indicators With A Dynamic And Holistic Approach, Asif Hussain
Journal of Sustainability and Resilience
This paper examines regenerative tourism as a holistic approach that goes beyond sustainability by actively restoring and enhancing social-ecological systems. Recognizing tourism’s interconnectedness with economic, social, cultural, and environmental systems, it presents regenerative tourism as a dynamic model integrating supply and demand perspectives to promote innovation, resilience, and renewal. On the supply side, regenerative tourism emphasizes ecological restoration, sustainable practices, economic stability with minimal environmental harm, and authentic experiences. On the demand side, it aligns with the rising preference for ethical, participatory, and immersive tourism, involving tourists as active contributors to destination well-being. The paper highlights the importance of multidimensional …
Development Of Comprehensive Roadmap And Resource Guide Towards Congestion Reduction, Pei-Sung Lin, Mark Hansen, Zhenyu Wang, Yaye Keita, Elzbieta Bialkowska-Jelinska, Shubhankar Shindgikar, Nikou Khoshnevis
Development Of Comprehensive Roadmap And Resource Guide Towards Congestion Reduction, Pei-Sung Lin, Mark Hansen, Zhenyu Wang, Yaye Keita, Elzbieta Bialkowska-Jelinska, Shubhankar Shindgikar, Nikou Khoshnevis
Research Reports
Traffic congestion poses a significant challenge in the United States, affecting mobility, public health, and the environment. With national travel delays and fuel waste on the rise, there is an urgent need for a comprehensive approach to congestion mitigation. This research develops a congestion reduction roadmap, focusing on 12 key mitigation areas, including advanced traffic signal optimization, incident management, and multimodal transportation strategies. Through a combination of literature review, expert interviews, and case study analysis, the roadmap provides actionable steps for state and local agencies to manage congestion effectively. The framework addresses both short-term and long-term solutions, emphasizing technology integration …
Sensitive And Robust Biosensing Using Plasmonic Enhancement Of Fluorescence By Rapid Thermal Annealed Silver Nanostructures, Shuangming Li, Venkat R. Bhethanabotla
Sensitive And Robust Biosensing Using Plasmonic Enhancement Of Fluorescence By Rapid Thermal Annealed Silver Nanostructures, Shuangming Li, Venkat R. Bhethanabotla
USF Patents
Chips and metallic nanostructure biosensors comprising a dielectric substrate and discontinuous and disordered metallic nanostructures of flat island shapes thereon are disclosed herein. Also disclosed are methods of making and using the same.
Drug For Treating Tinnitus, Joseph P. Walton, Luisa Lynn Scott
Drug For Treating Tinnitus, Joseph P. Walton, Luisa Lynn Scott
USF Patents
Compounds, pharmaceutical compositions, and methods for treating tinnitus in a subject in need thereof. The methods include administering a therapeutically effective amount of a compound having a structure represented by Formula I as described herein. The compounds and compositions are administered transdermally or orally, preferably via a sustained release mechanism. The compounds and compositions reduce at least one behavioral correlate of tinnitus and/or at least one neurophysiological correlate of tinnitus. The compounds and compositions reduce hyperactivity in the auditory system.
Cost-Effective Bulk Glass Reinforced Composite Columns, John Michael Cotter, Rasim O. Guldiken
Cost-Effective Bulk Glass Reinforced Composite Columns, John Michael Cotter, Rasim O. Guldiken
USF Patents
A structural column comprises an inner sleeve comprising a first non-glass material, at least one sheet comprising bulk glass, and an outer sleeve comprising a second non-glass material. The inner sleeve has an outer surface and an inner surface defining a hollow interior of the structural column. An inner surface of each sheet is adjacent to at least a portion of the outer surface of the inner sleeve. The outer sleeve has an inner surface that is attached to at least a portion of an outer surface of each sheet, and the inner surface of the outer sleeve is attached …
The Affordable Diy Mandeye Lidar System For Surveying Caves, And How To Convert 3d Clouds Into Traditional Cave Ground Plans And Extended Profiles, Loris Redovniković, Antun Jakopec, Janusz Będkowski, Jurica Jagetić
The Affordable Diy Mandeye Lidar System For Surveying Caves, And How To Convert 3d Clouds Into Traditional Cave Ground Plans And Extended Profiles, Loris Redovniković, Antun Jakopec, Janusz Będkowski, Jurica Jagetić
International Journal of Speleology
The paper examines the potential use of low-cost LiDAR for cave surveying. Mobile mapping using LiDAR complements traditional speleological surveying using a polygonal traverse. These methods assist each other, with one serving as an independent control measurement for the other, ultimately resulting in a more accurate 3D model. The testing results show that achieving high accuracy and detailed cave representation is possible using open hardware and open-source software. Both spacious and well-indented cave sections and narrow passages barely passable by humans were successfully mapped. The surveying process is significantly faster than traditional cave mapping, as drawing cave sketches by hand …
Full Issue, Continental Birdlife
Field Studies Of Bird Migration - A Brief Overview And Someunanswered Questions, Kenneth P. Able
Field Studies Of Bird Migration - A Brief Overview And Someunanswered Questions, Kenneth P. Able
Continental Birdlife
No abstract provided.
The Eastern Bluebird In The Highlands Of Southeastern New York State, Robert Speiser, John Benzinger
The Eastern Bluebird In The Highlands Of Southeastern New York State, Robert Speiser, John Benzinger
Continental Birdlife
No abstract provided.
Tool Use By A Mountain Chickadee, Philip Gaddis
Tool Use By A Mountain Chickadee, Philip Gaddis
Continental Birdlife
No abstract provided.
Comment On Tool-Using In Birds, Jeffery Boswall
Comment On Tool-Using In Birds, Jeffery Boswall
Continental Birdlife
No abstract provided.
Book Reviews, Continental Birdlife
Delta-Opioid Receptor Targeted Agent For Molecular Imaging And Immunotherapy Of Cancer, Mark L. Mclaughlin, David L. Morse
Delta-Opioid Receptor Targeted Agent For Molecular Imaging And Immunotherapy Of Cancer, Mark L. Mclaughlin, David L. Morse
USF Patents
The subject matter disclosed herein relates generally to cancer therapy and to anticancer compounds and imaging agents. More specifically, the subject matter disclosed herein relates to agents that target (X) R and their use in the treatment of cancer.
Genealib Archive 2025-01, Genealib
Species Of The Month Crested Caracara January 2025, Arizona Birds - Journal Of Arizona Field Ornithologists
Species Of The Month Crested Caracara January 2025, Arizona Birds - Journal Of Arizona Field Ornithologists
Arizona Birds
No abstract provided.
Usf Tampa Library Special Collections- Archives Business And Implementation Plan, Stephanie Mackin
Usf Tampa Library Special Collections- Archives Business And Implementation Plan, Stephanie Mackin
Special Collections Reports & Documents
No abstract provided.
Foraging Substrates Of Insect-Eating Birds In The Delaware Piedmont During The Fall, Ian Stewart, Jim White
Foraging Substrates Of Insect-Eating Birds In The Delaware Piedmont During The Fall, Ian Stewart, Jim White
Delaware Ornithologist
No abstract provided.