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Remediation Of Chlorinated Alkanes By Zero Valent Iron With Vitamin B12 And Utilization Of A Modified Gradual Release Of Responsibility Model In A Large Enrollment Chemistry Course, Nicole Lapeyrouse Jan 2019

Remediation Of Chlorinated Alkanes By Zero Valent Iron With Vitamin B12 And Utilization Of A Modified Gradual Release Of Responsibility Model In A Large Enrollment Chemistry Course, Nicole Lapeyrouse

Electronic Theses and Dissertations

The following dissertation looks at addressing environmental contaminants in the environment and the integration of an active learning style in an introductory chemistry course. It begins with addressing the concern for chlorinated propanes and ethane in the environment and the importance of looking into environmental remediation applications. This research looks at incorporating vitamin B12 as an environmentally friendly catalyst in the presence of zero valent iron for the reduction of chlorinated propanes and ethane. Chapter 2 presents the analytical methods and conditions in which samples were run. The results from these experiments are discussed in length in Chapter 3. Our …


A Complete Approach To Predict Biodistribution Of Nanomaterials Within Animal Species From In-Vitro Data, Edward Price Jan 2019

A Complete Approach To Predict Biodistribution Of Nanomaterials Within Animal Species From In-Vitro Data, Edward Price

Electronic Theses and Dissertations

Smart drug-design for antibody and nanomaterial-based therapies allows for optimization of drug efficacy and more efficient early-stage pre-clinical trials. The ideal drug must display maximum efficacy at target tissue sites, but to track and predict distribution to these sites, one must have a mechanistic understanding of the kinetics involved with the individual cells of the tissue itself. This process can be tracked through biological simulations coupled with in-vitro approaches, which result in a rapid and efficient in-depth understanding of drug transport within tissue vasculature and cellular environment. As a result, it becomes possible to predict drug biodistribution within live animal …


Trouble In Paradise: Impacts Of Theme Park Tourism On The Mental Health Of Employees In Orlando, Florida, Lea Harvey Jan 2019

Trouble In Paradise: Impacts Of Theme Park Tourism On The Mental Health Of Employees In Orlando, Florida, Lea Harvey

Electronic Theses and Dissertations

Tourism is a topic that has gained much attention within the realm of anthropology over the past few decades. Anthropological research of the tourism industry has been largely devoted to the study of the tourist gaze and its subsequent sociocultural impacts as well as the benefits that travelers reap from their colonialist excursions. However, the voices of those who form the foundation of this industry, the laborers, remain almost entirely absent from said discourse. Furthermore, there is a lack of anthropological consideration for the relationship between tourism and mental health experiences of employees within the tourism industry. One specific region …


Developing And Validating The Secondary Literacy Professionals Needs Assessment Matrix, Analexis Kennedy Jan 2019

Developing And Validating The Secondary Literacy Professionals Needs Assessment Matrix, Analexis Kennedy

Electronic Theses and Dissertations

The purpose of this study was to develop and validate a needs assessment matrix for secondary specialized literacy professionals that identified the professional learning needs of literacy coaches. This tool was developed in order to inform school districts and secondary specialized literacy professionals about the types of professional learning support they will need for them to effectively meet the literacy needs of teachers in secondary schools. The Secondary Literacy Professionals Needs Assessment Matrix (SLPNAM) was created using a variety of methods. A synthesis of literature regarding school improvement, adolescent literacy, 21st century skills, adult learning, literacy coaching and the 2017 …


Utilizing Asynchronous Online Modules To Educate Preservice Teachers To Address Bullying Behaviors For Elementary Students With Autism Spectrum Disorder, Jaime Best Jan 2019

Utilizing Asynchronous Online Modules To Educate Preservice Teachers To Address Bullying Behaviors For Elementary Students With Autism Spectrum Disorder, Jaime Best

Electronic Theses and Dissertations

Due to social and communication deficits, individuals with Autism Spectrum Disorder (ASD) are targeted for school bullying more than other populations. With an increased number of individuals with ASD being served in general education classrooms, teachers are at the front line of defense for this vulnerable population. Many teachers and preservice teachers lack experience and self-confidence when dealing with situations related to individuals with ASD in their inclusive classrooms. While research on educating preservice teachers to deal with bullying behaviors is limited, the importance of providing high-quality teacher preparation programs for upcoming teachers remains at the upmost importance. The purpose …


Designing Calorie Counter Smartphone Applications For Effective Weight Loss, Sharlin Milliard Jan 2019

Designing Calorie Counter Smartphone Applications For Effective Weight Loss, Sharlin Milliard

Electronic Theses and Dissertations

Poor dietary choices and lack of physical activity are two main contributing factors for the increasing prevalence of overweight and obesity in the United States. Overweight and obese individuals are at risk for developing major life-threatening diseases. Weight loss is an effective means for reversing these adverse health effects, and smartphone applications (apps) may be an effective means for supporting weight loss outside of formal clinical settings. This study involved identifying factors that contribute to effective weight loss to compare with functionality commonly found in a sample of calorie counter apps. A content analysis was performed using a design framework …


Neurological Reactivity To Personalized Odors And Sounds In Combat-Related Posttraumatic Stress Disorder, Michael Gramlich Jan 2019

Neurological Reactivity To Personalized Odors And Sounds In Combat-Related Posttraumatic Stress Disorder, Michael Gramlich

Electronic Theses and Dissertations

Functional near-infrared spectroscopy (fNIRS) is a neurophysiological procedure that offers immense clinical utility due to its cost effectiveness, ease of use, and mobile application. Using fNIRS to measure neurological reactions to personalized trauma-related cues might strengthen diagnostic screening, tailor treatment planning, and improve detection of remission among individuals with posttraumatic stress disorder (PTSD). Odors elicit strong emotional responses but remain underutilized in clinical research. This fNIRS study examined whether personalizing combat-related odors and sounds to have a higher or lower match to distressing combat experiences increased the observed neurological effect among combat veterans with and without combat-related PTSD. This study …


Development Of Multiport Single Stage Bidirectional Converter For Photovoltaic And Energy Storage Integration, Amit Bhattacharjee Jan 2019

Development Of Multiport Single Stage Bidirectional Converter For Photovoltaic And Energy Storage Integration, Amit Bhattacharjee

Electronic Theses and Dissertations

The energy market is on the verge of a paradigm shift as the emergence of renewable energy sources over traditional fossil fuel based energy supply has started to become cost competitive and viable. Unfortunately, most of the attractive renewable sources come with inherent challenges such as: intermittency and unreliability. This is problematic for today's stable, day ahead market based power system. Fortunately, it is well established that energy storage devices can compensate for renewable sources shortcomings. This makes the integration of energy storage with the renewable energy sources, one of the biggest challenges of modern distributed generation solution. This work …


Role Of Tnfα Antagonists And Genetic Polymorphisms In Modulating Susceptibility To Mycobacterial Infection Among Patients With Crohn's Disease, Ahmad Qasem Jan 2019

Role Of Tnfα Antagonists And Genetic Polymorphisms In Modulating Susceptibility To Mycobacterial Infection Among Patients With Crohn's Disease, Ahmad Qasem

Electronic Theses and Dissertations

Tumor Necrosis Factor alpha antagonists (anti-TNFα) have been extensively used for Crohn's disease (CD) treatment. Even though they may control CD symptoms initially, treatment response varies among patients, which seems to depend on single nucleotide polymorphisms (SNPs) in TNFα receptors superfamily 1A and 1B (TNFRSF1A/B). Most importantly, M. tuberculosis infection has been strongly associated with these medications, but no studies have elucidated the effects of anti-TNFα on CD associated with MAP (Mycobacterium avium subspecies paratuberculosis; a possible causative agent of CD, and closely related to M. tuberculosis). Here, we investigated the effects of recombinant inflammatory cytokines and anti-TNFα therapeutics on …


An Exploration Of Florida Public School Districts' Language Development Programs For Children Before They Enter Kindergarten, Sharon Ochotorena Jan 2019

An Exploration Of Florida Public School Districts' Language Development Programs For Children Before They Enter Kindergarten, Sharon Ochotorena

Electronic Theses and Dissertations

The purpose of the study was to determine the extent to which preschool programs and the 10 research-based components that develop language are present in Florida public school districts. Based on qualitative methods of analysis, the study utilized two primary sources of data collection to answer the two research questions that follow: 1. Of the 67 traditional public school districts in Florida, which have language development programs for children under the age of 5, excluding those subsidized by Part B of the IDEA? 2. How do components of the programs in the sample of school districts that have language development …


The Impact Of Youths' Digital Citizenship Levels On Their Self-Efficacy, Madison Gannon Jan 2019

The Impact Of Youths' Digital Citizenship Levels On Their Self-Efficacy, Madison Gannon

Electronic Theses and Dissertations

The purpose of this study is to identify youths' levels of digital citizenship, to identify youths' levels of self-efficacy, and to determine the relationship between their digital citizenship levels and their self-efficacy levels. Their digital citizenship levels were determined based on five factors: 1) Ethics for Digital Environment, 2) Fluency for Digital Environment, 3) Reasonable/Critical Decisions, 4) Self-Identity in Digital World, and 5) Social/Cultural Engagement to Society. Their self-efficacy levels were determined based on three factors: 1) Academic Self-efficacy, 2) Social Self-efficacy, and 3) Emotional Self-efficacy. The study has four major phases. First, an in-depth literature review was conducted on …


Ribbeting Results: Emergent Infectious Diseases In Wetland Systems, Ariel Horner Jan 2019

Ribbeting Results: Emergent Infectious Diseases In Wetland Systems, Ariel Horner

Electronic Theses and Dissertations

North American amphibians have recently been impacted by two major emerging pathogens, the fungus Batrachochytrium dendrobatidis (Bd) and iridoviruses in the genus Ranavirus (Rv). Environmental, seasonal and host factors may play important roles in disease dynamics, but few studies incorporate these components into their analyses. Here, we investigated the role of environmental, seasonal, genetic and location effects on driving Bd and Rv infection prevalence and severity in a biodiversity hot spot, the southeastern United States. We used quantitative PCR to characterize Bd and Rv dynamics in natural populations of three amphibian species: Notophthalmus perstriatus, Hyla squirella and Pseudacris ornata and …


Hybrid Multi-Objective Optimization Of Left Ventricular Assist Device Outflow Graft Anastomosis Orientation To Minimize Stroke Rate, Blake Lozinski Jan 2019

Hybrid Multi-Objective Optimization Of Left Ventricular Assist Device Outflow Graft Anastomosis Orientation To Minimize Stroke Rate, Blake Lozinski

Electronic Theses and Dissertations

A Left Ventricular Assist Device (LVAD) is a mechanical pump that is utilized as a bridge to transplantation for patients with a Heart Failure (HF) condition. More recently, LVADs have been also used as destination therapy and have provided an increase in the quality of life for patients with HF. However, despite improvements in VAD design and anticoagulation treatment, there remains a significant problem with VAD therapy, namely drive line infection and thromboembolic events leading to stroke. This thesis focuses on a surgical maneuver to address the second of these issues, guided by previous steady flow hemodynamic studies that have …


Assessment Of A Surface Water Supply For Source And Treated Distribution System Quality, Angela Rodriguez Jan 2019

Assessment Of A Surface Water Supply For Source And Treated Distribution System Quality, Angela Rodriguez

Electronic Theses and Dissertations

This study focused on providing a source to tap assessment of surface water systems with respect to (i) the use of alternative biomonitoring tools, (ii) disinfection byproduct (DBP) formation and control, and (iii) corrosion control. In the first study component, two water systems were microbiologically evaluated using adenosine triphosphate (ATP) bioluminescence technology. It was determined that microbial ATP was useful as a surrogate for biomonitoring within a surface water system when paired with traditional methods. Although microbial activity differed between distribution systems that used either chloramine or chlorine disinfectant, in both cases flowrate and season affected microbial ATP values. In …


Analysis Of Residual Stress And Damage Mechanisms Of Thermal Barrier Coatings Deposited Via Ps-Pvd And Eb-Pvd, Linda Rossmann Jan 2019

Analysis Of Residual Stress And Damage Mechanisms Of Thermal Barrier Coatings Deposited Via Ps-Pvd And Eb-Pvd, Linda Rossmann

Electronic Theses and Dissertations

Thermal barrier coatings (TBCs) are critical to gas turbine engines, as they protect the components in the hot section from the extreme temperatures of operation. The current industry standard method of applying TBCs for turbine blades in jet engines is electron-beam physical vapor deposition (EB-PVD), which results in a columnar structure that is valued for its high degree of strain tolerance. An emerging deposition method is plasma-spray physical vapor deposition (PS-PVD), capable of producing a variety of customizable microstructures as well as non-line-of-sight deposition, which allows more complex geometries to be coated, or even multiple parts at once. The pseudo-columnar …


Design, Development, And Testing Of A Miniature Fixture For Uniaxial Compression Of Ceramics Coupled With In-Situ Raman Spectrometer, Ryan Jordan Jan 2019

Design, Development, And Testing Of A Miniature Fixture For Uniaxial Compression Of Ceramics Coupled With In-Situ Raman Spectrometer, Ryan Jordan

Electronic Theses and Dissertations

This thesis is about the design, development and integration of an in-situ compression stage which interfaces through the Leica optical microscope coupled with a Renishaw InVia micro-Raman spectrometer. This combined compression stage and Raman system will enable structural characterization of ceramics and ceramic composites. The in-situ compression stage incorporates a 440C stainless steel structural components, 6061 aluminum frame, a NEMA 23 stepper motor. Two load screws that allow to apply compressive loads up to 14,137 N, with negligible off axis loading, achieving target stresses of 500 MPa for samples of up to 6.00 mm in diameter. The system will be …


Implications Of Groundwater Plume Transport And Analysis Of Karst Aquifer Characteristics In Central Florida, Daljit Sandhu Jan 2019

Implications Of Groundwater Plume Transport And Analysis Of Karst Aquifer Characteristics In Central Florida, Daljit Sandhu

Electronic Theses and Dissertations

Groundwater aquifers make up the primary source of drinking water in Florida. It is imperative to protect and maintain water quality to ensure optimal drinking water conditions. Florida is known for being prone to sinkholes due to karst features. One sinkhole event occurred beneath a phosphogypsum stack, and leaked a large amount of radioactive waste in the Floridan aquifer, raising water quality concerns. To study the behavior of contaminant transport, the radioactive waste plume was modeled by coupling hydraulic and chemistry concepts. Adsorption was studied to see if it can serve as a potential remediation solution to the contaminant waste, …


Rethinking Routing And Peering In The Era Of Vertical Integration Of Network Functions, Prasun Kanti Dey Jan 2019

Rethinking Routing And Peering In The Era Of Vertical Integration Of Network Functions, Prasun Kanti Dey

Electronic Theses and Dissertations

Content providers typically control the digital content consumption services and are getting the most revenue by implementing an "all-you-can-eat" model via subscription or hyper-targeted advertisements. Revamping the existing Internet architecture and design, a vertical integration where a content provider and access ISP will act as unibody in a sugarcane form seems to be the recent trend. As this vertical integration trend is emerging in the ISP market, it is questionable if existing routing architecture will suffice in terms of sustainable economics, peering, and scalability. It is expected that the current routing will need careful modifications and smart innovations to ensure …


Blockchain-Driven Secure And Transparent Audit Logs, Ashar Ahmad Jan 2019

Blockchain-Driven Secure And Transparent Audit Logs, Ashar Ahmad

Electronic Theses and Dissertations

In enterprise business applications, large volumes of data are generated daily, encoding business logic and transactions. Those applications are governed by various compliance requirements, making it essential to provide audit logs to store, track, and attribute data changes. In traditional audit log systems, logs are collected and stored in a centralized medium, making them prone to various forms of attacks and manipulations, including physical access and remote vulnerability exploitation attacks, and eventually allowing for unauthorized data modification, threatening the guarantees of audit logs. Moreover, such systems, and given their centralized nature, are characterized by a single point of failure. To …


A Framework To Develop Anomaly Detection/Fault Isolation Architecture Using System Engineering Principles, Thomas Clark Jan 2019

A Framework To Develop Anomaly Detection/Fault Isolation Architecture Using System Engineering Principles, Thomas Clark

Electronic Theses and Dissertations

For critical systems, timely recognition of an anomalous condition immediately starts the evaluation process. For complex systems, isolating the fault to a component or subsystem results in corrective action sooner so that undesired consequences may be minimized. There are many unique anomaly detection and fault isolation capabilities available with innovative techniques to quickly discover an issue and identify the underlying problems. This research develops a framework to aid in the selection of appropriate anomaly detection and fault isolation technology to augment a given system. To optimize this process, the framework employs a model based systems engineering approach. Specifically, a SysML …


Piezoresistive Behavior Of Carbon Nanopaper Polymer Composites For Strain Sensing, Jayden Beyrooti Jan 2019

Piezoresistive Behavior Of Carbon Nanopaper Polymer Composites For Strain Sensing, Jayden Beyrooti

Electronic Theses and Dissertations

Carbon nanopapers made of carbon nanotubes (CNTs) or carbon nanofibers (CNFs), possess unique electrical, thermal and mechanical properties and when integrated with a polymer matrix, can become a multifunctional composite capable of strain sensing and heat actuation. Smart structures such as these can be used in many applications including deployable space structures, human motion detection, and structural health monitoring as flexible, sensitive and stable strain sensors in addition to providing electrical heat actuation for the shape memory effect in polymers. This study focuses on strain sensing capabilities by developing a numerical model to predict piezoresistive behavior. The piezoresistive effect is …


The Challenges And Barriers To Employment For Female In Riyadh And Tabuk, Sultan Almutairi Jan 2019

The Challenges And Barriers To Employment For Female In Riyadh And Tabuk, Sultan Almutairi

Electronic Theses and Dissertations

Women labor force participation plays an important role in economic. The developing in economy in Saudi Arabia depends on men rather than women, more than 50 years the Saudi women participation in the labor force extremely is low, this dissertation seeks to identify the challenges and barriers to employment for women in Riyadh and Tabuk. This study examines three research questions. The first question explored the difference between the rate of women unemployment in Tabuk and the rate of women unemployment in Riyadh. The second question investigated ways in which a logistic regression using demographics data could be used to …


Modeling Of Wrong Way Driving Entries And Developing Innovative Approaches For Evaluating The Effectiveness Of Advanced Wrong Way Driving Countermeasures, Md Imrul Kayes Jan 2019

Modeling Of Wrong Way Driving Entries And Developing Innovative Approaches For Evaluating The Effectiveness Of Advanced Wrong Way Driving Countermeasures, Md Imrul Kayes

Electronic Theses and Dissertations

Wrong-way driving (WWD) is a hazardous behavior on interstates, toll roads, and other high-speed limited access facilities. Since WWD crashes are rare, recent researchers have studied WWD events such as WWD 911 calls and WWD citations to understand the overall nature and trend of WWD. It is very difficult to build credible statistical models based solely on crashes due to the small sample size since these are only 3% of all crashes. Modeling of WWD non-crash events can result in more accurate models. A model was developed for Florida limited access facilities to identify roadway factors and traffic characteristics of …


A System Dynamics Approach On Sustainability Assessment Of The United States Urban Commuter Transportation, Tolga Ercan Jan 2019

A System Dynamics Approach On Sustainability Assessment Of The United States Urban Commuter Transportation, Tolga Ercan

Electronic Theses and Dissertations

Transportation sector is one of the largest emission sources and is a cause for human health concern due to the high dependency on personal vehicle in the U.S. Transportation mode choice studies are currently limited to micro- and regional-level boundaries, lacking of presenting a complete picture of the issues, and the root causes associated with urban passenger transportation choices in the U.S. Hence, system dynamics modeling approach is utilized to capture complex causal relationships among the critical system parameters affecting alternative transportation mode choices in the U.S. as well as to identify possible policy areas to improve alternative transportation mode …


Shape Recovery Behavior Of Carbon Nanopaper Shape Memory Polymer Composite, Veli Bugra Ozdemir Jan 2019

Shape Recovery Behavior Of Carbon Nanopaper Shape Memory Polymer Composite, Veli Bugra Ozdemir

Electronic Theses and Dissertations

This thesis presents analytical, experimental and modeling studies of the shape recovery behavior of electrically activated Carbon Nanopaper (CNP) Shape Memory Polymer (SMP)composite. The composite structure studied consists of a CNP layer sandwiched by two SMP layers where the CNP layer acts as a flexible electrical heater when a voltage difference is applied. The behavior of CNP/SMP composite presents a coupled electrical - thermal - structural problem. The governing equations for the multiphysics behavior are derived. Derived parameters as a result of multiphysics analysis and effects of these parameters on the shape recovery behavior are investigated. The mechanical properties of …


Nonlinear Control Synthesis For Facilitation Of Human-Robot Interaction, Zhangchi Ding Jan 2019

Nonlinear Control Synthesis For Facilitation Of Human-Robot Interaction, Zhangchi Ding

Electronic Theses and Dissertations

Human-robot interaction is an area of interest that is becoming increasingly important in robotics research. Nonlinear control design techniques allow researchers to guarantee stability, performance, as well as safety, especially in cases involving physical human-robot interaction (PHRI). In this dissertation, we will propose two different nonlinear controllers and detail the design of an assistive robotic system to facilitate human-robot interaction. In Chapter 2, to facilitate physical human-robot interaction, the problem of making a safe compliant contact between a human and an assistive robot is considered. Users with disabilities have a need to utilize their assistive robots for physical interaction during …


The Creation And Validation Of A Compromising Scale For Nurses, Matthew Ng Jan 2019

The Creation And Validation Of A Compromising Scale For Nurses, Matthew Ng

Electronic Theses and Dissertations

For reasons such as job context and different interactions, compromising as performed by nurses is likely fundamentally different than compromising performed by other occupations. The following study proposes the creation and validation of a compromising scale for nurses. The first study aims to create the compromising scale for nurses through contemporary methods then test the reliability as well as the factor structure using an exploratory factor analysis on currently employed nurses recruited through a Qualtrics panel study. The second study then takes the final compromising scale for nurses and conducts a confirmatory factor analysis among a sample of employed nurses …


Comparative Nutrient Removal With Innovative Green Soprtion Media For Groundwater And Stormwater Co-Treatment, Dan Wen Jan 2019

Comparative Nutrient Removal With Innovative Green Soprtion Media For Groundwater And Stormwater Co-Treatment, Dan Wen

Electronic Theses and Dissertations

As indicated by the National Academy of Engineering, the understanding of nitrogen cycle has been deemed as one of 14 grand challenges in engineering of the 21st century. Due to rapid population growth and urbanization, the stormwater runoff increased in quantity as well as its nutrient concentrations, which may trigger serious environmental issues such as eutrophication in aquatic systems and ecosystem degradation. This study focuses on stormwater and groundwater quality control via Biosorption Activated Media (BAM) which can be applied to enhance the nutrient removal potential as an emerging Best Management Practices (BMPs). BAM was tested in this study with …


Investigation Of Computer Vision Concepts And Methods For Structural Health Monitoring And Identification Applications, Chuanzhi Dong Jan 2019

Investigation Of Computer Vision Concepts And Methods For Structural Health Monitoring And Identification Applications, Chuanzhi Dong

Electronic Theses and Dissertations

This study presents a comprehensive investigation of methods and technologies for developing a computer vision-based framework for Structural Health Monitoring (SHM) and Structural Identification (St-Id) for civil infrastructure systems, with particular emphasis on various types of bridges. SHM is implemented on various structures over the last two decades, yet, there are some issues such as considerable cost, field implementation time and excessive labor needs for the instrumentation of sensors, cable wiring work and possible interruptions during implementation. These issues make it only viable when major investments for SHM are warranted for decision making. For other cases, there needs to be …


Subject Librarian Bookmark - Ccie, Megan M. Haught Jan 2019

Subject Librarian Bookmark - Ccie, Megan M. Haught

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