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Articles 2941 - 2970 of 10272
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Examination Of Interactive Experience: Construction Of Physical And Social Presence In Virtual Environments, Malwina Buldys
Examination Of Interactive Experience: Construction Of Physical And Social Presence In Virtual Environments, Malwina Buldys
Theses
Interactivity seems to be a familiar concept, which partially explains its frequent use in discussions about new communication technologies and what they can bring to communication studies. However, interactivity research has yet to reach a comprehensive and concrete consensus concerning the antecedents and consequences of interactive experiences. The main objective of this research is to determine the factors responsible for fostering the interactivity experience in the multiuser virtual environments and to observe how this variance in interactivity will affect the formation of physical and social presence. The study also examines the possible relationship between physical and social presence via correlation …
Internet Marketing Trends: An Analysis Of Website And Social Media Use In New York State’S Equine Industry, Jessica Hooper
Internet Marketing Trends: An Analysis Of Website And Social Media Use In New York State’S Equine Industry, Jessica Hooper
Theses
The Internet has evolved into a resource recognized by businesses and consumers as an effective means of marketing products and services. The rate at which businesses adopt online innovations, such as websites and social media varies based on factors such as comfort level and interest, and can be linked to Rogers' Diffusion of Innovation theory. This study investigates the extent to which horseback riding stables in New York State utilize websites, Facebook, and Twitter to market and promote equine services to consumers. General usage numbers are significantly higher than the 30% Internet use by farm businesses, which is likely a …
Flexible Hw-Sw Design And Analysis Of An Mmt-Based Manet System On Fpga, Huixiang Yi
Flexible Hw-Sw Design And Analysis Of An Mmt-Based Manet System On Fpga, Huixiang Yi
Theses
Recently there has been a rapid growth of research interests in Mobile Ad-hoc Networks (MANETs). Their infrastructureless and dynamic nature demands that new strategies be implemented on a robust wireless communication platform in order to provide efficient end-to-end communication. Many routing algorithms have been developed to serve this purpose. This thesis investigated Multi-Meshed Tree (MMT) algorithm, an integrated solution that combines routing, clustering and medium access control operations based on a common "multi-meshed tree" concept. It provides the robustness and redundancy inherent in mesh topologies and uses the tree branches to deliver packets. MMT is the first of its kind …
Memento Mori, Vidhya Sukumaran
Memento Mori, Vidhya Sukumaran
Theses
As with all children, cartoons enthralled me. I cannot identify any point in my life when I got out of this fascination. To this day I watch animations of all descriptions, savor them, fantasize over making them myself and derive considerable vicarious satisfaction. I never wavered from my fascination with animation. I carried my passion forward and made a decision to pursue animation... making it my reality. My first tangible practical step in this direction was to enroll in the Master of Fine Arts program in the School of Film and Animation at Rochester Institute of Technology. It was my …
Feasibility Of Capturing Circulating Tumor Cells With A Magnetized Device, Jay Wheaton
Feasibility Of Capturing Circulating Tumor Cells With A Magnetized Device, Jay Wheaton
Theses
A standard inferior vena cava (IVC) filter is plated with Nickel in order to be rendered magnetizable. In the presence of an applied magnetic field, the IVC filter has a strong magnetic gradient near the surface that captures circulating tumor cells (CTCs) tagged with paramagnetic nanoparticles. Particle motion and capture includes a balance of the magnetization force and hydrodynamic drag force. ANSYS Fluent CFD software and ANSYS Workbench Magnetostatics were used independently to obtain fluid velocity and magnetic field intensity solutions. The separate solutions were combined in Matlab for numerical particle tracking. Empirical capture efficiency was determined using in-flow spectrometer …
Tree-Structured Small-World Connected Wireless Network-On-Chip With Adaptive Routing, Andrew Benjamin
Tree-Structured Small-World Connected Wireless Network-On-Chip With Adaptive Routing, Andrew Benjamin
Theses
Traditional Network-on-Chip (NoC) systems comprised of many cores suffer from debilitating bottlenecks of latency and significant power dissipation due to the overhead inherent in multi-hop communication. In addition, these systems remain vulnerable to malicious circuitry incorporated into the design by untrustworthy vendors in a world where complex multi-stage design and manufacturing processes require the collective specialized services of a variety of contractors. This thesis proposes a novel small-world tree-based network-on-chip (SWTNoC) structure designed for high throughput, acceptable energy consumption, and resiliency to attacks and node failures resulting from the insertion of hardware Trojans. This tree-based implementation was devised as a …
A Novel Approach To A Wearable Eye Tracker Using Region-Based Gaze Estimation, Aun Kei Hong
A Novel Approach To A Wearable Eye Tracker Using Region-Based Gaze Estimation, Aun Kei Hong
Theses
Eye tracking studies are useful to understand human behavior and reactions to visual stimuli. To conduct experiments in natural environments it is common to use mobile or wearable eye trackers. To ensure these systems do not interfere with the natural behavior of the subject during the experiment, they should be comfortable and be able to collect information about the subject's point of gaze for long periods of time. Most existing mobile eye trackers are costly and complex. Furthermore they partially obstruct the visual field of the subject by placing the eye camera directly in front of the eye. These systems …
Warranty Prediction During Product Development: Developing An Event Generation Engine, Sivakumar Sundar
Warranty Prediction During Product Development: Developing An Event Generation Engine, Sivakumar Sundar
Theses
In 2010, high tech industries including computer makers, peripherals manufacturers, and medical equipment manufacturers spent a total of $8 billion on warranty. Reducing warranty costs improves the manufacturer's profit and helps to reduce the overall cost of the product. An often cited principle is that approximately 80% of the eventual product cost is 'locked in' during the very early stages of product development, however, traditional methods of warranty analysis are not well suited to predict the warranty costs during these early stages. Thus, product development personnel need better tools to make good predictions about the warranty costs so that they …
Tsv Placement Optimization For Liquid Cooled 3d-Ics With Emerging Nvms, Sundararaman Mohanram
Tsv Placement Optimization For Liquid Cooled 3d-Ics With Emerging Nvms, Sundararaman Mohanram
Theses
Three dimensional integrated circuits (3D-ICs) are a promising solution to the performance bottleneck in planar integrated circuits. One of the salient features of 3D-ICs is their ability to integrate heterogeneous technologies such as emerging non-volatile memories (NVMs) in a single chip. However, thermal management in 3D-ICs is a significant challenge, owing to the high heat flux (~ 250 W/cm2). Several research groups have focused either on run-time or design-time mechanisms to reduce the heat flux and did not consider 3D-ICs with heterogeneous stacks. The goal of this work is to achieve a balanced thermal gradient in 3D-ICs, while reducing the …
A Computational Study Of Branching Rules For Multi-Commodity Fixed-Charged Network Flow Problems, Sheetal Murkute
A Computational Study Of Branching Rules For Multi-Commodity Fixed-Charged Network Flow Problems, Sheetal Murkute
Theses
Branch and bound based algorithms are used by many commercial mixed integer programming solvers for solving complex optimization problems. In a branch and bound based method, a feasible region is divided into smaller sub-problems. This is called branching and various branching strategies have been developed to improve the performance of branch and bound based algorithms. However, their performance has primarily been studied on general mixed integer programs. Thus, in the first phase of this thesis, we study the performance of these branching strategies on a specific, structured mixed integer program, the capacitated multi-commodity fixed charge network flow (MCFCNF) problem. We …
Gas Mask X, Yoon-Ha Noh
Gas Mask X, Yoon-Ha Noh
Theses
Gas Mask X is a 21-minute psychological genre, short narrative film by Yoon-ha Noh that was completed and premiered in November 2012. The film is about a character, Gas Mask X who carries the guilt and trauma about his mother and father's deaths. Gas Mask X's mother died when she was giving birth to him, and his father committed suicide in front of him when Gas Mask X was only 10 years old. His horrible memories have continually `suffocated' him, so he has worn a gas mask since after the death of his father. Gas Mask X reveals how the …
Condition Monitoring Of Reciprocating Compressor Valves Using Analytical And Data-Driven Methodologies, Christopher Guerra
Condition Monitoring Of Reciprocating Compressor Valves Using Analytical And Data-Driven Methodologies, Christopher Guerra
Theses
Condition-based health monitoring systems are a very important addition to machinery to monitor the system and assure it is running at the peak efficiency, to schedule maintenance, and prevent catastrophic failure. Many times these systems are combined with different sensors to predict when service is required for different wear parts and this keeps the machine running optimally. An accurate prediction of health is accomplished by measuring and analyzing different critical parameters and detecting when these parameters deviate from the nominal values. Recently, these systems have started to become more common on industrial compression technology. Typically, reciprocating compressor health monitoring systems …
Android Forensics: Automated Data Collection And Reporting From A Mobile Device, Justin Grover
Android Forensics: Automated Data Collection And Reporting From A Mobile Device, Justin Grover
Theses
As Android smartphones gain popularity, industry and government will face increasing pressure to integrate them into their environments. The implementation of these devices on an enterprise can save on costs and add capabilities previously unavailable; however, the organizations that incorporate this technology must be prepared to mitigate the associated risks. These devices can contain vast amounts of personal and work-related data that can impact internal investigations, including (but not limited to) those of policy violations, intellectual property theft, misuse, embezzlement, sabotage, and espionage. Physical access has been the traditional method for retrieving data useful to these investigations from Android devices, …
New Economy : Assessment Of The Institutionalization Of An Emerging Paradigm And Academic Field Through Inquiry Into Prominent Boundary Organizations, Jeanine Cava Rodgers
New Economy : Assessment Of The Institutionalization Of An Emerging Paradigm And Academic Field Through Inquiry Into Prominent Boundary Organizations, Jeanine Cava Rodgers
Theses
It is increasingly acknowledged that in order to reach global and regional sustai nabi l ity goals, economic growth and consumption levels in wealthy developed nations will need to stabilize or reverse. Organizations and projects of a wide variety have emerged and expanded to take on this challenge, and shape the so-called, "new economy". The purpose of this research is to gain a clearer picture of the impacts of efforts to develop a shared new-economy knowledge framework on the broader sustai nabi l ity conversation, and to assess the intellectual institutionalization of same. This thesis focuses in on the influence …
Diffuse Axonal Injury Effect On Myelinating Cells And Axons, Jennifer Alison Zalk
Diffuse Axonal Injury Effect On Myelinating Cells And Axons, Jennifer Alison Zalk
Theses
There is no supporting evidence whether myelin degeneration in diffuse axonal injury (DAI) of the white matter is due to death of myelinating oligodendrocytes or secondary axotomy. Cortical neurons are not able to remain healthy in culture to have their axons myelinated. Dorsal root ganglion (DRG) neurons have been shown to be myelinated by cortical oligodendrocytes in culture. An in vitro stretch injury model was used to analyze the DRG axon pathology during and after injury. DRG myelinating Schwann cells are analyzed to demonstrate what is expected from injury to oligodendrocytes. DRG axons demonstrated a high tolerance to stretch …
A Multi-Temporal Fusion-Based Approach For Land Cover Mapping In Support Of Nuclear Incident Response, Shagan Sah
A Multi-Temporal Fusion-Based Approach For Land Cover Mapping In Support Of Nuclear Incident Response, Shagan Sah
Theses
An increasingly important application of remote sensing is to provide decision support during emergency response and disaster management efforts. Land cover maps constitute one such useful application product during disaster events; if generated rapidly after any disaster, such map products can contribute to the efficacy of the response effort. In light of recent nuclear incidents, e.g., after the earthquake/tsunami in Japan (2011), our research focuses on constructing rapid and accurate land cover maps of the impacted area in case of an accidental nuclear release. The methodology involves integration of results from two different approaches, namely coarse spatial resolution multi-temporal and …
Remnant, Allyson Klopp
Remnant, Allyson Klopp
Theses
This body of work focuses on the creation of structures by individuals and shedding of identities. I have recreated remnants that portray a significant part of an organism's livelihood and identity. The remaining evidence of identity leaves a footprint of the past telling their story.
The Effect Of Magnesium On Angiogenesis Evaluated Utilizing The Chick Chorioallantoic Membrane Assay, Lauren Ashlee Douglas-Byrd
The Effect Of Magnesium On Angiogenesis Evaluated Utilizing The Chick Chorioallantoic Membrane Assay, Lauren Ashlee Douglas-Byrd
Theses
Magnesium and magnesium alloys are emerging as possible novel biodegradable materials for medical implants such as cardiovascular stents. Understanding the angiogenic properties of magnesium would increase the level of knowledge regarding the healing process once the material is implanted. The chick chorioallantoic membrane assay is an effective, inexpensive method of assessing magnesium's angiogenic properties. The assay is more informative than an in vitro model, in terms of magnesium degradation environment, and provides similar results of an in vivo model. This model can be used as a preliminary method of assessing results before investing labor and finances into larger in vivo …
Implementing A Dynamic Scaling Of Web Applications In A Virtualized Cloud Computing Environment, Mohammed Aljebreen
Implementing A Dynamic Scaling Of Web Applications In A Virtualized Cloud Computing Environment, Mohammed Aljebreen
Theses
Cloud computing is becoming more essential day by day. The allure of the cloud is the significant value and benefits that people gain from it, such as reduced costs, increased storage, flexibility, and more mobility. Flexibility is one of the major benefits that cloud computing can provide in terms of scaling up and down the infrastructure of a network. Once traffic has increased on one server within the network, a load balancer instance will route incoming requests to a healthy instance, which is less busy and less burdened. When the full complement of instances cannot handle any more requests, past …
Characterization Of Wave Propagation Through Composite Laminates, Chantly Smith
Characterization Of Wave Propagation Through Composite Laminates, Chantly Smith
Theses
Structural Health Monitoring (SHM) seeks to develop systems for data collection, verification, and analysis to detect the potential for critical damage to occur in engineering structures. Composite panels are engineering structures that are susceptible to damages such as delamination and fiber breakage which greatly reduce the safety and performance of the structure. For composite materials that are widely used in aviation, early detection of such damage is important to prevent failure while the component is in flight. A common SHM method for damage assessment of composites is the Lamb wave propagation technique, whereby waves may be introduced into the composite …
Energy Analysis Of Co2-Based Demand Controlled Ventilation And Economizer For Air Source Heat Pump In Schools, Nihal Al Raees
Energy Analysis Of Co2-Based Demand Controlled Ventilation And Economizer For Air Source Heat Pump In Schools, Nihal Al Raees
Theses
This study discusses the application of the CO2-based demand-controlled ventilation (CO2-DCV) strategy along with an economizer for air source heat pumps in schools. An investigation was performed of their impact on annual energy consumption, and the potential savings achieved in different USA locations was determined. The study includes detailed energy analysis on an existing middle school through entire building energy simulation software. The simulation model is first calibrated and checked for accuracy using the actual monthly utility data of the school. Second, this model is used for saving calculations due to the application of an integrated CO2- based DCV and …
Biocompatibility Of Magnesium-Based Biomaterials For Airway Stent Applications, Sara Dolly Tatum
Biocompatibility Of Magnesium-Based Biomaterials For Airway Stent Applications, Sara Dolly Tatum
Theses
Tracheomalacia, stenosis and other traumatic airway injuries (e.g., obstructive tracheobronchial tumors) often require airway stenting. Traditional polymeric stents are prone to cause infection, do not ‘grow’ with a child and often require surgical removal. Therefore, resorbable biometallics are ideal materials for tracheal stent devices. Magnesium (Mg) is an attractive material because of its biocompatibility, abundance within the human body, and intrinsic corrosive nature can be overcome via alloying elements. We hypothesize that resorbable magnesium-based materials can be utilized for the development of tracheal stents. The objective of the present study was to determine cytocompatibility of Mg alloys with fully differentiated …
Synthesis Of Pcl/Keratin Composite Nanofibers For Nerve Repair Application, Angela Michelle Edwards
Synthesis Of Pcl/Keratin Composite Nanofibers For Nerve Repair Application, Angela Michelle Edwards
Theses
In the past decade, a wide variety of biomaterials comprised of both synthetic and natural polymers have been used to promote restoration of injured peripheral nerves. Despite making advances, none have matched performance of autographs, a gold standard in nerve repair. Mammalian-derived, protein-based conduits have shown good tissue biocompatibility and safe degradation products, but are mechanically fragile. Synthetic materials such as Polycaprolactone (PCL) typically have advantage of suitable mechanical properties and fine degradation rate tunability, but lack cell recognition signaling. Recent studies have shown that keratin promotes nerve cell attachment, differentiation and growth, but alone, it cannot be used as …
Application Of Adaptive Extended Kalman Filtering Scheme To Improve The Efficiency Of A Groundwater Contaminant Transport Model, Elvis Boamah Addai
Application Of Adaptive Extended Kalman Filtering Scheme To Improve The Efficiency Of A Groundwater Contaminant Transport Model, Elvis Boamah Addai
Theses
Pollution of groundwater can be harmful to the environment. The use of subsurface contaminant transport models, combined with stochastic data assimilation schemes, can give on-target predictions of contaminant transport to enhance the reliability of risk assessment in the area of environmental remediation. Observation data are required to guide the deterministic system model to assimilate the true state of the contaminant. Modeling the behavior of contaminant in groundwater is imperative in predicting the fate of the pollutant, in risk assessment, and as a preceding step of the remission process. In this study a two-dimensional transport model with advection and dispersion is …
Synthesis And Characterization Of Hydroxyapatite Doped With Strontium Carbonate Thin Film Coatings, Stephen Ayodeji Ajinola
Synthesis And Characterization Of Hydroxyapatite Doped With Strontium Carbonate Thin Film Coatings, Stephen Ayodeji Ajinola
Theses
The main purpose of the research is to investigate the corrosion rate and mechanical properties of thin film of strontium carbonate (Sr2CO3) doped with hydroxyapatite (HA) on titanium substrates using DC Corrosion of Potentiodynamic and Nanoindentation respectively. The variation in the weight percentages of strontium carbonate in hydroxyapatite on a titanium substrate was used to investigate the beneficial effect of strontium on surface modification in biological application such as to improve hardness of dentures and prevention of cavities, menopause bone loss and enhancement of remodeling. The corrosion rate, the hardness and elastic moduli of different weight percents of variation in …
Teacher Reading Motivation Practices, Ashley Risinger
Teacher Reading Motivation Practices, Ashley Risinger
Theses
The purpose of this study is to investigate the subject of reading motivation and to determine if teachers at one middle school in North Carolina are incorporating strategies into their curriculum that may increase students' reading motivation. Reading motivation can influence students' reading comprehension, and if many students have negative feelings about reading or have decreased reading motivation, their comprehension may be directly affected. Teachers of all content areas need to attempt to increase students' reading motivation. In order to determine what teachers are doing to increase students' reading motivation, the teachers were given a survey that investigated teaching practices …
Towards Understanding Cytotoxicity And Cellular Uptake Of Engineered Nanomaterials, Komal Sudam Garde
Towards Understanding Cytotoxicity And Cellular Uptake Of Engineered Nanomaterials, Komal Sudam Garde
Theses
With a widespread use of nanomaterials in various manufacturing applications including consumer goods, semiconductor industry and pharmaceuticals, the safety of Engineering Nanomaterials (ENs) is a vital area of research. It is extremely important to analyze the risks posed by ENs in order to optimize design and/or control their use. The overarching goal of this work is to understand the cytotoxicity and cellular uptake potential of specific EN of well characterized physicochemical properties. Towards this objective, the specific aims of this project are to (a) comprehensively characterize the physical and chemical properties of starting ENs, (b) study their dose and time-course …
The Role Of Crude Rosehip Extracts In The Regulation Of African-American Breast Cancer Cell Proliferation, Tonisha Lestar Coburn
The Role Of Crude Rosehip Extracts In The Regulation Of African-American Breast Cancer Cell Proliferation, Tonisha Lestar Coburn
Theses
Triple Negative Breast Cancer (TNBC), an aggressive form of breast cancer, has abnormal therapeutic results; leading to the need for unique treatment methods. Currently TNBC has no specific targeted therapy and has limited response to other chemotherapeutics. Plant extracts have shown to be useful as chemopreventive agents due to their disruption of pro-survival and proliferative mechanisms on cancer cells. Rosehip extracts have shown anti-proliferative activity against cancer cells in vitro. We hypothesized that rosehip extracts will inhibit cell proliferation in triple negative breast cancer cell lines at varying concentrations. Therefore, this study was designed to investigate the effect of rosehip …
Information And Communications Technology Based Solution To Rank Emergency Hospitals, Taneaka Anesha Jenkins
Information And Communications Technology Based Solution To Rank Emergency Hospitals, Taneaka Anesha Jenkins
Theses
With the advent of smart phone technologies, the healthcare industry finds it challenging to keep up with technology demands. In the medical domain, patients are experiencing longer wait times for medical treatment. A basis of dissatisfaction with healthcare, often observed by patients, is the amount of time they wait during a visit. The wait times have a greater delay within medical emergency facilities. Current medical wait time applications may encourage patients to be seen quickly but does not necessarily offer quality care or other aspects of their visits. The amount of time a patient experiences in an emergency facility could …
Consumer Acceptability And Storage Stability Of Cupcake Supplemented With Fish Oil Emulsion, Olariyike A. Fasanya
Consumer Acceptability And Storage Stability Of Cupcake Supplemented With Fish Oil Emulsion, Olariyike A. Fasanya
Theses
Omega-3 fatty acid (fish-oil) has gained attention as a functional food, and it is one of the best supplements used by several researchers to improve the nutritional value of different food products such as yogurt. The study was conducted to determine the effect of fish-oil emulsion on the physical attributes of shortened cupcake (control cake and five treatments) with different whey protein isolate concentrations. Emulsion concentration in each treatment included (1) 250mg Fish-oil + 0.5% Xanthan gum, (2) 250mg Fish-oil + 5% WPI, (3) 250mg Fish-oil +10% WPI, (4) 250mg Fish-oil + 0.5% Xanthan-gum + 5% WPI, and (5) 250mg …