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Articles 15301 - 15330 of 18323
Full-Text Articles in Entire DC Network
Girl, Just Shut Up & Take An Advil: A Zine About Periods, Participation, And Why We All Became Experts At The Tampon-To-Sleeve Transfer, Alexa Ford
OTD 721: Cultural Responsiveness & Occupation
Like many people, I learned early on that menstruation was something to manage quietly. I learned how to check for stains without making it obvious. I learned how to strategically tie a sweatshirt around my waist. I learned that asking, "Do you have one?" across a public restroom often resullts in an immediate and enthusiastic, "Yes, girl. What do you need?" Over time, I realized these weren't just funny shared experiences. They reflected something bigger. The silence. The stigma. The expectation that people should function through discomfort without complaint.
As I've learned more through occupational therapy, I've started to understand …
How To Be 2slgbtqia+ And Neurodivergent Affirming As An Occupational Therapist, Ellie Shoop
How To Be 2slgbtqia+ And Neurodivergent Affirming As An Occupational Therapist, Ellie Shoop
OTD 721: Cultural Responsiveness & Occupation
When we were asked at the beginning of our class, "What is one thing you have experienced that you wish no one would ever have to experience again?", by author and occupational therapist Elizabeth Ching, OTD, M.Ed., BSOT, OTR/L, my mind began to swirl with ideas. I identify as a gay, white, neurodivergent, non-binary person, and I wish that no one would be misgendered or have their sexuality assumed by health professionals ever again. I also wish that people with neurodivergent brains would be given the support they need to thrive in a world that was not built with us …
Cochlear Micropump Drug Delivery System: A Noninvasive Technique For Murine Intracochlear Drug Delivery, Janette Collins
Cochlear Micropump Drug Delivery System: A Noninvasive Technique For Murine Intracochlear Drug Delivery, Janette Collins
Theses
In a 2018 World Health Organization (WHO) study, over 400 million people worldwide were affected by hearing loss (World Health Organization, 2023). Cochlear implants have provided a conventional route to aid inner ear issues but are ineffective either delivering to unintended targets or delivering unknown concentrations of a particular drug and create toxicity to the user. With medical advances and using 3-D printing technology, new opportunities to use programmable drug delivery systems to treat auditory disorders have been created. Borkholder Labs in Rochester, NY have created and improved a miniaturized implantable and scalable peristaltic micropump that provides programmable and accurate …
Evaluating Rate Of Perceived Exertion And Heart Rate In High School Weight Training Students For Assessing, Enhancing, And Maintaining Health-Related Fitness, Nicholas Searcy
Theses and Dissertations
This mixed-methods study evaluated the relationship between rating of perceived exertion (RPE) and heart rate (HR) among high school weight-training students during circuit training sessions. The purpose of this study was to determine whether RPE could serve as a practical method for gauging moderate to vigorous physical activity (MVPA) among high school weight-training students while allowing students to assess and enhance their health-related components of fitness. Participants were high school students enrolled in weight-training classes who completed upper- and lower-body circuit training sessions over a 4-week period, or a total of 16 school days. RPE was self-reported using Borg’s CR10 …
Machine Learning For Predicting Prosthetic Limb Movements, Jessica Alexandra Cegarra Arraiz
Machine Learning For Predicting Prosthetic Limb Movements, Jessica Alexandra Cegarra Arraiz
Theses and Dissertations
This thesis develops and evaluates a deep learning-based prediction model capable of identifying intended limb movement from surfaced electromyography (sEMG) signals using sequence learning techniques. sEMG signals change over time due to multiple factors such as muscle fatigue or user variability. Traditional prosthetics control methods rely on static feature extraction, ignoring how signals change over time, thereby limiting their ability to capture the temporal changes of muscle activity. As a result, these approaches often lead to poor accuracy, robustness, and generalization. Limited experimental validation has been conducted on sequence-based machine learning approaches using temporal sEMG data from publicly available datasets …
Green Synthesis Of Tio2 Nanoparticles Via Graphene Oxide-Doped Malabar Spinach Leaf Extract For Perovskite Solar Cells, Nofrijon Sofyan, Ichsan Pandu Wicaksono, Fiona Angellinnov, Aga Ridhova, Akhmad Herman Yuwono, Donanta Dhaneswara
Green Synthesis Of Tio2 Nanoparticles Via Graphene Oxide-Doped Malabar Spinach Leaf Extract For Perovskite Solar Cells, Nofrijon Sofyan, Ichsan Pandu Wicaksono, Fiona Angellinnov, Aga Ridhova, Akhmad Herman Yuwono, Donanta Dhaneswara
Baghdad Science Journal
This study investigates a green synthesis route for titanium dioxide (TiO2) nanoparticles (NPs) using Malabar spinach (Basella rubra) leaf extract, with graphene oxide (GO) as a dopant, for application as an electron transport layer in perovskite solar cells (PSCs). The synthesized TiO2 NPs were characterized using Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), ultraviolet-visible diffuse reflectance spectroscopy (UV-Vis DRS), and field emission scanning electron microscopy equipped with energy dispersive X-ray spectroscopy (FESEM/EDX). XRD results confirmed the presence of a pure anatase phase with a smaller crystallite size than that of commercial TiO2, …
Revisiting The Life Cycle Of Margalefidinium Polykrikoides Group Iii, Eduardo Pérez-Vega, Kenneth N. Mertens, Pjotr Meyvisch, Margaret R. Mulholland
Revisiting The Life Cycle Of Margalefidinium Polykrikoides Group Iii, Eduardo Pérez-Vega, Kenneth N. Mertens, Pjotr Meyvisch, Margaret R. Mulholland
OES Faculty Publications
Dinoflagellates produce cysts as a strategy to withstand environmental stressors, with nutrient depletion generally considered a key trigger for cyst production. Resting cysts are thick-walled, typically composed of one to several layers, and characterized by a prolonged dormancy period. In contrast, pellicle cysts possess a thin, single wall and exhibit no dormancy or a markedly shorter dormancy than resting cysts of the same species. Margalefidinium polykrikoides produces pellicle and resting cysts, whereas its congener, M. fulvescens, has been shown to produce pumpkin-like structures. Using phase-contrast microscopy, time-lapse microscopy, FlowCam, and attenuated total reflection Fourier transform infrared microspectroscopy (ATR μ-FTIR), …
Efficient Preservation Of Old Methane-Derived Organic Carbon In Deep-Sea Surface Sediments, Rui Bao, Yangli Che, Mingzhi Liu, Naiyu Zhang, Yang Zhou, Lihua Dong, Shen Li, Owen A. Sherwood, Min Yu, Zongheng Chen, Shengxiong Yang, Nan Wang, Longhai Zhu, Jiawang Chen, Mutai Bao, Haoshuai Li, Luonan Chen, Weifeng Wu, Haiyue Ma, David J. Burdige
Efficient Preservation Of Old Methane-Derived Organic Carbon In Deep-Sea Surface Sediments, Rui Bao, Yangli Che, Mingzhi Liu, Naiyu Zhang, Yang Zhou, Lihua Dong, Shen Li, Owen A. Sherwood, Min Yu, Zongheng Chen, Shengxiong Yang, Nan Wang, Longhai Zhu, Jiawang Chen, Mutai Bao, Haoshuai Li, Luonan Chen, Weifeng Wu, Haiyue Ma, David J. Burdige
OES Faculty Publications
Methane released from the subseafloor is significantly attenuated during upward migration, yet the preservation of methane-derived organic carbon (OC) in global deep-sea sediments remains poorly understood. Here, we measured carbon isotopes coupled with temperature-ramped analyses on various methane seepage sediments. Our results reveal a correlation between the radiocarbon (¹⁴)C) content in deep-sea surface sediments and sulfate-methane transition depth. Notably, our findings suggest that a substantial amount of (¹⁴)C-depleted OC may originate from deep-seated methane and is efficiently preserved in surface seepage sediments. We propose that the efficient OC preservation is related to microbial-mediated aggregate formation at the seawater-sediment interface, where …
Chesapeake Bay Water Clarity: Challenges And Successes, Jessica S. Turner, Carl T. Friedrichs, David B. Parrish, Kelsey A. Fall
Chesapeake Bay Water Clarity: Challenges And Successes, Jessica S. Turner, Carl T. Friedrichs, David B. Parrish, Kelsey A. Fall
OES Faculty Publications
The Chesapeake Bay is a large estuarine system spanning multiple jurisdictions and serves as a model for estuarine health worldwide. Historically, nutrient loading degraded water quality, prompting the need for regulation. Water clarity, one component of water quality, is vital for benthic communities and serves as a key indicator of overall ecosystem health. Here, physical resuspension and salinity gradients, nutrient and sediment inputs, production of organic detritus by phytoplankton, and benthic communities all interact to drive clarity patterns, with high spatial variability. Trends over the last 50 years show improvement, though with a temporary increase in organic detritus in response …
A Tale Of Two Microbialities: Stromatolites And Microbially Induced Sedimentary Structures, Nora Noffke, Stanley M. Awramik
A Tale Of Two Microbialities: Stromatolites And Microbially Induced Sedimentary Structures, Nora Noffke, Stanley M. Awramik
OES Faculty Publications
Microbialites are biosedimentary structures built by microbial mats. Five microbialite groups are distinguished: stromatolites, thrombolites, dendrolites, leiloites and microbially induced sedimentary structures (MISS). This contribution discusses the two most abundant microbialite groups in marine settings, stromatolites and MISS. Microbial interactions with clastic sediment are very similar in both stromatolite and MISS formation. However, in stromatolites, syngenetic carbonate production caused by photoautotrophic and heterotrophic metabolisms and by calcimicrobes also takes place. More so, carbonate may precipitate within the extracellular polymeric substances. Due to the various carbonate forming processes as well as recrystallisation, the microscopic mat fabrics within stromatolite laminae are rarely …
How-To: Academic Job Interviews (In The United States), Erin K. Peck, Kendall Valentine, Serina S. Wittyngham, Jessie S. Turner
How-To: Academic Job Interviews (In The United States), Erin K. Peck, Kendall Valentine, Serina S. Wittyngham, Jessie S. Turner
OES Faculty Publications
[Introduction] "I (EKP) bombed my first interview on the tenure-track academic market. After I entered the Zoom room filled with search committee volunteers, the chair performed a quick round of introductions, and I was told that I would have strictly five minutes to answer each question. I smiled nervously, wringing my hands under the desk, and waited to be asked to derive a diagenetic equation or defend the methods I used in my recent manuscript.
“We'll start with something easy. Tell us about yourself,” began the chair.
I opened my mouth. I closed my mouth. My mind went blank. “Um …
Seasonal And Geologic Controls On Submarine Groundwater Discharge-Derived Nutrient Fluxes To Two Coastal Embayments, Moira Taylor, Joseph J. Tamborski, Aaron Alorda-Kleinglass, Nathaniel Maynard
Seasonal And Geologic Controls On Submarine Groundwater Discharge-Derived Nutrient Fluxes To Two Coastal Embayments, Moira Taylor, Joseph J. Tamborski, Aaron Alorda-Kleinglass, Nathaniel Maynard
OES Faculty Publications
Submarine groundwater discharge and porewater exchange are critical but often overlooked sources of nutrients to coastal systems. This study investigates how sediment permeability and summer-winter seasonal dynamics influence the magnitude and biogeochemistry of nutrient fluxes from submarine groundwater discharge and porewater exchange. Reaction rates in the subterranean estuary were used to identify the transformations and drivers of nutrient loading in two geologically distinct embayments in the U.S. East Coast: the highly permeable Peconic Bay estuary (NY), and the surficially fine-grained coastal embayments of the southern Delmarva Peninsula (VA). We applied radium isotope mass balances to distinguish total submarine groundwater discharge …
Modeling Upper Ocean Ecosystem Dynamics In Response To Interannual Sea-Ice Variability In The Western Antarctic Peninsula, Catherine R. Czajka, Jessica S. Turner, Sharon Stammerjohn, Heather H. Kim, Oscar Schofield, Benjamin T. Saenz, Scott C. Doney
Modeling Upper Ocean Ecosystem Dynamics In Response To Interannual Sea-Ice Variability In The Western Antarctic Peninsula, Catherine R. Czajka, Jessica S. Turner, Sharon Stammerjohn, Heather H. Kim, Oscar Schofield, Benjamin T. Saenz, Scott C. Doney
OES Faculty Publications
In the Western Antarctic Peninsula (WAP), marine plankton dynamics are tightly linked to the interannual variability in environmental conditions, including phenological shifts in sea-ice seasonality. To explore these linkages, we use a 1-dimensional vertical ocean-ice-ecosystem model (KPP-Eco-Ice, or KEI) that simulates physical and ecosystem conditions at a continental shelf mooring location in the Palmer Long Term Ecological Research program sampling grid. KEI allows for year-round examination of the ecosystem in a region where in situ observations on the shelf are limited to January. Comparisons are made between seasonal sea-ice retreat, mixed layer depth, primary productivity, and phytoplankton relative abundance, grazing, …
Contribution Of Non-Linear Internal Waves To Marine Net Primary Production Has Been Underestimated, Xiaoju Pan, Tung-Yuan Ho, George T. F. Wong, Jen-Hua Tai, Shoude Guan, Fuh-Kuo Shiah
Contribution Of Non-Linear Internal Waves To Marine Net Primary Production Has Been Underestimated, Xiaoju Pan, Tung-Yuan Ho, George T. F. Wong, Jen-Hua Tai, Shoude Guan, Fuh-Kuo Shiah
OES Faculty Publications
Field observations in the northern South China Sea (NSCS) indicate that elevated concentrations of chlorophyll a (Chl_a) associated with non-linear internal waves (NIWs) were more pronounced in the subsurface than at the sea-surface. At a given surface Chl_a, the vertically integrated Chl_a in an NIW-active area was 45% higher than that in an area where the NIW activities were minimal. As a result, net primary production (PPeu) estimated from surface Chl_a from remote sensing by using the current Chl_a-based PPeu model (e.g. VGPM) would have underestimated the true value by the same amount. If this correction is …
Characterizing The Unique Chemical Imprint Of On-Axis, Lower-Temperature Hydrothermal Flow To The Deep Ocean (Southern East Pacific Rise, 16.5°-18.0°S), Laura E. Moore, Randelle M. Bundy, Joseph A. Resing, Scott White, Tamara Baumberger, Peter N. Sedwick, Nathaniel J. Buck, Anson M. Antriasian, Isaac Keohane, Bettina M. Sohst, Sharon L. Walker, Christopher R. German
Characterizing The Unique Chemical Imprint Of On-Axis, Lower-Temperature Hydrothermal Flow To The Deep Ocean (Southern East Pacific Rise, 16.5°-18.0°S), Laura E. Moore, Randelle M. Bundy, Joseph A. Resing, Scott White, Tamara Baumberger, Peter N. Sedwick, Nathaniel J. Buck, Anson M. Antriasian, Isaac Keohane, Bettina M. Sohst, Sharon L. Walker, Christopher R. German
OES Faculty Publications
In addition to high-temperature vents, lower-temperature flow (LTF) (< 300°C) is abundant along mid-ocean ridges and contributes globally-important fluxes of heat and water along with largely-unconstrained geochemical influences on the ocean. We examined the impact of on-axis LTF on the chemical composition of the overlying water column (< 40 m above seafloor) along the 16.5°-18.0°S sector of the ultrafast-spreading southern East Pacific Rise using autonomous underwater vehicle Sentry surveys and conductivity-temperature-depth rosette casts. LTF sites were typically spatially isolated from high-temperature systems and imparted unique chemical signatures to the overlying ocean. Water column samples impacted by LTF exhibited low particulate iron:sulfur ratios and high methane: total-dissolvable manganese ratios, whereas samples influenced by high-temperature venting exhibited opposite trends. We confirmed that LTF imparts a distinct and measurable chemical signature to the water column, independent from high-temperature vents. Isolated, on-axis LTF will be important to consider when assessing hydrothermal circulation impacts upon ocean biogeochemistry.
Autonomous Float Data Reveal Decoupled Trends In Chlorophyll And Stratification In The Indian Ocean, Marufa Ishaque, Sophie Clayton, John Klinck
Autonomous Float Data Reveal Decoupled Trends In Chlorophyll And Stratification In The Indian Ocean, Marufa Ishaque, Sophie Clayton, John Klinck
OES Faculty Publications
Recent studies have shown that the Indian Ocean is warming significantly, but how this warming impacts primary production is largely unresolved due to a relative lack of depth-resolved biological observations. In this study, we have used Biogeochemical-Argo data from 2013 to 2022, comprising over 9,000 individual profiles, to examine regional patterns and trends in depth-integrated chlorophyll, depth-integrated net primary production and stratification in the northern and Equatorial Indian Ocean. Our analysis shows that water column stratification is increasing in the majority of the study area, with the highest rate of increase observed in the western Bay of Bengal. At the …
Recirculated Submarine Groundwater Discharge Dominates Nutrient Inputs And Enhances Eutrophication Risk In A Coastal Lagoon, Júlia Rodriguez-Puig, Clara Ruiz-González, Marc Diego-Feliu, Irene Alorda-Montiel, Aaron Alorda-Kleinglass, Daniel Romano-Gude, Andrea G. Bravo, Júlia Dordal-Soriano, Javier Gilabert, Sophia Bergeler, Celine Lavergne, Gemma Casas, Marisol Manzano, Jordi Garcia-Orellana, Valentí Rodellas
Recirculated Submarine Groundwater Discharge Dominates Nutrient Inputs And Enhances Eutrophication Risk In A Coastal Lagoon, Júlia Rodriguez-Puig, Clara Ruiz-González, Marc Diego-Feliu, Irene Alorda-Montiel, Aaron Alorda-Kleinglass, Daniel Romano-Gude, Andrea G. Bravo, Júlia Dordal-Soriano, Javier Gilabert, Sophia Bergeler, Celine Lavergne, Gemma Casas, Marisol Manzano, Jordi Garcia-Orellana, Valentí Rodellas
OES Faculty Publications
Submarine groundwater discharge (SGD) is a widely recognized pathway for nutrient transport to coastal systems. Prior studies overlook the unique biogeochemical signatures of different SGD pathways, neglecting their differences in biogeochemical transformations and spatiotemporal factors. Here, we present an integrated assessment of nutrient delivery through three SGD pathways (fresh SGD, long‐scale recirculated SGD, and short‐scale porewater exchange), alongside surface water inputs, to evaluate their seasonality and impact on nutrient dynamics in a coastal lagoon. We conducted five field surveys in March, July, and November 2021, July 2024, and March 2025 in the Mar Menor lagoon, an ecosystem facing severe ecological …
Microbial Mats In Dinosaur Ichnocoenoses, Nora Noffke, Paul C. Murphy, Roger C. Buntin, Martin G. Lockley
Microbial Mats In Dinosaur Ichnocoenoses, Nora Noffke, Paul C. Murphy, Roger C. Buntin, Martin G. Lockley
OES Faculty Publications
Until now, the significance of microbial mats in preservation of dinosaur tracks and in reconstructing the palaeoenvironment in which dinosaurs roamed was rarely studied. Dinosaur tracks are commonly found close to ancient aquatic bodies where moist sediment had once allowed footstep registration. At such sites, epibenthic or endobenthic microbial mats may have developed as well and may have led to exquisite track preservation. Microbial mats in coastal, lacustrine or flood plain environments cause 'microbially induced sedimentary structures—MISS', which are micobialites found in sandy or evaporitic settings. The microbial structures record environmental parameters including meteorological conditions that existed at the time …
Unintended Consequences Of Estuarine Management Within The Trajectory Of Recovery: Examples From The Chesapeake Bay, Jessica S. Turner, Fei Da, Molly M. Mitchell
Unintended Consequences Of Estuarine Management Within The Trajectory Of Recovery: Examples From The Chesapeake Bay, Jessica S. Turner, Fei Da, Molly M. Mitchell
OES Faculty Publications
Estuaries are vital ecosystems that support biodiversity, human populations, and economic activities such as fisheries, aquaculture, and tourism. Managing estuarine systems often involves interventions to regulate sediment and nutrient inputs with the goal of improving water quality, and subsequently the economic values of the estuary. However, these management strategies can produce unintended consequences. The Chesapeake Bay is an estuary recovering from eutrophication which provides clear case studies for these patterns. In the Chesapeake Bay, decreased sediment inputs, resulting from shoreline stabilization and watershed modifications, can impair marsh resilience to sea level rise and disrupt sediment-light-algal interactions affecting water clarity. Likewise, …
Aquatic Macrophytes As Nature-Based Solutions: Challenges And Opportunities Across Inland And Coastal Waters, Morgan Botrel, Roxane Maranger, Lindsay L. Trottier, Mathieu Cusson, Lars L. Iverson, Fanny Noisette, Christian Nozais, Katrine Turgeon, Andrea Bertolo, Thibaud André-Alphonse, Simon Bélanger, Arthur De Grandpré, Jean-Olivier Goyette, Sabine Hilt, Ladd Johnson, Valérie Langlois, Martin Laporte, Félix Lauzon, Brigitte Légaré, Anne Ola, Marie-Pomme Presne-Poissant, Matthieu Prugne, Caroline Susini, Richard Zimmerman
Aquatic Macrophytes As Nature-Based Solutions: Challenges And Opportunities Across Inland And Coastal Waters, Morgan Botrel, Roxane Maranger, Lindsay L. Trottier, Mathieu Cusson, Lars L. Iverson, Fanny Noisette, Christian Nozais, Katrine Turgeon, Andrea Bertolo, Thibaud André-Alphonse, Simon Bélanger, Arthur De Grandpré, Jean-Olivier Goyette, Sabine Hilt, Ladd Johnson, Valérie Langlois, Martin Laporte, Félix Lauzon, Brigitte Légaré, Anne Ola, Marie-Pomme Presne-Poissant, Matthieu Prugne, Caroline Susini, Richard Zimmerman
OES Faculty Publications
Macrophytes are foundation species whose use as nature-based solution (NbS) in aquatic ecosystems can help reduce climate change impacts while mitigating biodiversity loss. The discrepancy in research and application of macrophytes as NbS across inland and marine coastal ecosystems is an opportunity to expand the concept and learn from different approaches. We report on an initiative uniting marine and freshwater scientists that compared knowledge on macrophytes as NbS across realms, identified advances and gaps in their use, and synthesized challenges and opportunities for application. We conducted a bibliometric analysis and an expert participatory exercise around recent review papers. We reveal …
Regional Oceanographic Controls On Water Column Nitrogen Fixation In Northern Australian Waters, Douglas G. Capone, Ajit Subramaniam, Yubin Raut, Joseph P. Montoya, Margaret R. Mulholland, Rachel Ann Foster, Miles Furnas, Edward J. Carpenter
Regional Oceanographic Controls On Water Column Nitrogen Fixation In Northern Australian Waters, Douglas G. Capone, Ajit Subramaniam, Yubin Raut, Joseph P. Montoya, Margaret R. Mulholland, Rachel Ann Foster, Miles Furnas, Edward J. Carpenter
OES Faculty Publications
Large blooms of the diazotrophic cyanobacteria, Trichodesmium, have been re-ported along the north coast of Australia and are readily evident in remote sensing images. During a research cruise in November 1999, we sampled from Townsville to Broome, examined Trichodesmium population densities and their rates of carbon and N₂ fixation alongside microscopy-based cell counts of them and other cyanobacte-rial diazotrophs. Additionally, we also enumerated the picophytoplankton community using flow-cytometry, measured bulk chlorophyll concentrations, carbon and N₂ fixation rates, and water column hydrography, enabling comparison of diazotrophic and picophytoplankton functional groups across the system. Agglomerative hierarchical clustering analysis of physicochemical oceanographic …
Meteorological And Air Quality Effects On Bioaerosol Detection Using Wibs-Neo And Ibac-2 In Dublin City, Emma Markey, Jerry Hourihane Clancy, Moisés Martínez-Bracero, José María Maya-Manzano, Raúl Pecero-Casimiro, Eoin Joseph Mcgillicuddy, Gavin Sewell, Roland Sarda-Estève, Andrés M. Vélez-Pereira, David J. O’Connor
Meteorological And Air Quality Effects On Bioaerosol Detection Using Wibs-Neo And Ibac-2 In Dublin City, Emma Markey, Jerry Hourihane Clancy, Moisés Martínez-Bracero, José María Maya-Manzano, Raúl Pecero-Casimiro, Eoin Joseph Mcgillicuddy, Gavin Sewell, Roland Sarda-Estève, Andrés M. Vélez-Pereira, David J. O’Connor
Research Outputs: 2025-Present
This study evaluates the performance of two real-time fluorescence-based bioaerosol sensors, the WIBS-NEO and IBAC-2, operating in urban Dublin, Ireland, and assesses the influence of different meteorological and pollution parameters on their outputs. This was done by comparing particle sensor data to meteorological variables and air quality metrics. Over the 41-day campaign, Urticaceae pollen and Cladosporium spores were the dominant bioaerosols recorded, comprising 78% and 66% of total pollen and fungal spore concentrations, respectively. Correlation analyses revealed several significant variables: fluorescent BC-type particles (>8 μm) detected by WIBS-NEO strongly correlated with pollen concentrations (r = 0.84 after excluding high-wind …
Impact Of Single-Gender Education On Academic Performance, Stacey Wilcher
Impact Of Single-Gender Education On Academic Performance, Stacey Wilcher
Theses and Dissertations
This dissertation examines the performance of middle school students Grades 6–8 in single-gender versus coeducational schools in a large urban district in the southeastern United States. It evaluates whether single-gender education leads to better academic outcomes and higher engagement, offering important insights for educational leaders and policymakers.
The study utilized Social Cognitive Theory and gender segregation theory through a mixed-methods approach, collecting quantitative data from standardized assessments (2021-2025) like the GMAS and MAP. Statistical analyses, including t-tests and ANOVA, were used to assess academic performance. Qualitative data from interviews and focus groups explored classroom engagement and teaching practices.
Participants included …
University Of Central Florida Graduate Catalog, 2025-2026, University Of Central Florida
University Of Central Florida Graduate Catalog, 2025-2026, University Of Central Florida
UCF Catalogs
No abstract provided.
Teaching Primary Sources To Increase Engagement And Build Literacy, Lindsey L. Beaulieu
Teaching Primary Sources To Increase Engagement And Build Literacy, Lindsey L. Beaulieu
All Electronic Theses and Dissertations
This thesis reviews the use of primary sources in education. This literature review analyzes 30 articles regarding educators’ use of primary sources. There are four major themes within the articles: literacy with primary sources, engagement with primary sources, comprehension with primary sources, and examples of primary source units or lessons. While specific teaching topics vary, the overall consensus is that primary sources can help students’ skills with literacy, engagement, and comprehension. A main topic among the research is the educators’ understanding of scaffolding, pre-teaching, choosing primary sources, and re-using the primary sources, to be able to teach students effectively.
Meconium Metal Concentrations And Infant Temperament And Development, Fiona Fogarty
Meconium Metal Concentrations And Infant Temperament And Development, Fiona Fogarty
Dissertations and Theses
BACKGROUND: Prenatal exposure to metals poses significant health consequences for early childhood development. Understanding the factors influencing metal concentrations that infants are exposed to in-utero is crucial for developing targeted interventions, particularly when maternal characteristics and environmental factors, may contribute to varying levels. Meconium offers insight into in-utero exposures for the developing infant, and the effect of each individual metal may be mediated or exacerbated by another and therefore should be studied in the context of a mixture. The effect of metal mixture exposure, as measured in meconium, on milestone and temperament outcomes has yet to be determined.
DESIGN: …
A Thymine Dimer Stalls A High-Fidelity Dna Polymerase By Providing No Template Information In The Same Manner As An Abasic Site, Amanda R. Walsh, Hye Rhee Kim, Lorena S. Beese, Eugene Y. Wu
A Thymine Dimer Stalls A High-Fidelity Dna Polymerase By Providing No Template Information In The Same Manner As An Abasic Site, Amanda R. Walsh, Hye Rhee Kim, Lorena S. Beese, Eugene Y. Wu
Biology Faculty Publications
Cyclobutane pyrimidine dimers are photolesions that form when UV-B irradiation causes adjacent thymine or cytosine bases to covalently bond and can arrest DNA synthesis by replicative polymerases. To gain insight into the effects of cis-syn cyclobutane thymine dimers (T=T) on DNA replication in a model polymerase, we conducted solution and crystallographic studies of the Bacillus DNA polymerase I large fragment (BF) in complex with a T=T-containing template and an incoming dNTP. A thymine dimer lesion blocked nucleotide addition by BF in solution. The crystal structure of the BF-T=T-dATP complex indicated that the thymine dimer is too large to enter the …
Scanning Electron Microscopy As A Potential Tool For Distinguishing Charcoal From Dark, Oxidized, Biomass, João Vitor Dos Santos, Aleksandar I. Goranov, Lais Gomes Fregolente, Joao Marcos De Lima-Faria, Diego Stefani Teodoro Martinez, Patrick G. Hatcher
Scanning Electron Microscopy As A Potential Tool For Distinguishing Charcoal From Dark, Oxidized, Biomass, João Vitor Dos Santos, Aleksandar I. Goranov, Lais Gomes Fregolente, Joao Marcos De Lima-Faria, Diego Stefani Teodoro Martinez, Patrick G. Hatcher
Chemistry & Biochemistry Faculty Publications
Condensed aromatic carbon (ConAC) is widely used as a proxy for organic materials derived from biomass burning. However, recent evidence shows that ConAC can be also formed through nonpyrogenic oxidative processes. This study presents a proof-of-concept investigation using scanning electron microscopy (SEM) to distinguish charcoal from dark, ConAC-rich materials produced by ambient oxidation of biomass. Pine wood exposed to long-term iron-mediated oxidation was compared with unaltered wood and a controlled laboratory-generated charcoal reference. Conventional geochemical analytical methods, including benzenepoly(carboxylic acid) (BPCA) analysis, Fourier transform–ion cyclotron resonance–mass spectrometry (FT-ICR-MS), solid-state 13C nuclear magnetic resonance (NMR) spectroscopy, and elemental analysis, confirmed substantial …
College Athletes’ Perception Of The Specialization Process Through Youth Sport, Clayre J. Shaver
College Athletes’ Perception Of The Specialization Process Through Youth Sport, Clayre J. Shaver
Masters Theses
This study explored the adolescent sport experiences of Division I student-athletes, focusing on early sport specialization versus sampling. Past research was seeking the influences that drive athlete and stakeholder decision making through adolescents up until college. Through in-depth interviews and thematic analysis, important themes emerged in these athletes’ stories, including family involvement, financial support, birth order, transitions within athletics and the athletes’ internal goals and motivations. The core finding of this research was the role family played in these athletes’ lives, both positively and negatively, that shaped their athletic and mental development. Athletes expressed how important it is to have …
The Effect Of Occupational Roles, Burnout, And Efficacy On Job Satisfaction Among K-12 Teachers, Chloe Schwahn
The Effect Of Occupational Roles, Burnout, And Efficacy On Job Satisfaction Among K-12 Teachers, Chloe Schwahn
Masters Theses
The aim of this study was to investigate variables that may impact the ratings of job satisfaction by practicing Illinois K-12 teachers specifically examining if the variables of occupational roles, burnout, efficacy, and other relevant covariates are correlated and/or have predictive utility on teacher job satisfaction. A secondary goal was to raise awareness about the stressors teachers face in their work environments. Survey materials included a demographics questionnaire, an occupational roles catalog, the Copenhagen Burnout Inventory, the Teacher Sense of Efficacy Scale, and the Teacher Job Satisfaction Scale. Seventy-six practicing Illinois K-12 teachers completed the study. Results of the current …