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Articles 8761 - 8790 of 11833
Full-Text Articles in Physical Sciences and Mathematics
Research Exercise: Method For Obtaining Germ-Free Drosophila Melanogaster: A Tool For Investigating The Role Gut Microbes Play In Human Disease
Stander Symposium Projects
Drosophila melanogaster, or the fruit fly, is commonly used in labs because approximately 75% of human disease-causing genes are believed to have a functional homolog in the fly (Pandey 2011). This close genetic makeup as well as minimal expense makes Drosophila an ideal model to investigate potential effects of gut microbiota in human disease. Gut microbes have been known to influence the host of diseases such as obesity, type 2 diabetes and kidney disease (Musso 2010). In this study, a protocol for generating GR (germ free) D. melanogaster flies was developed and verified. This technique is crucial to investigating the …
Research Exercise: Press Access To Information Regarding National Security And Law Enforcement
Research Exercise: Press Access To Information Regarding National Security And Law Enforcement
Stander Symposium Projects
Without access to information, the press cannot do its job serving the public. Although the First Amendment says that “no law” should abridge freedom of the press, government and institutions find ways to keep secret various matters of legitimate public concern. One paper explores how federal courts have interpreted the “national security” exception to the Freedom of Information Act. Another paper analyzes state open records laws and whether they apply to private universities’ police forces. Another paper looks at sealed documents, and how journalists can legally challenge those orders and get access.
Power In Numbers?: The Impact Of Female Formed Police Units Of Women's Empowerment
Power In Numbers?: The Impact Of Female Formed Police Units Of Women's Empowerment
Stander Symposium Projects
Advocates hailed the UN's deployment of female formed police units (FFPUs), or all-female units, in peacekeeping missions as a groundbreaking achievement for women's empowerment. Three FFPUs have been deployed to Liberia, Timor-Leste, and Haiti. Many supporters of FFPUs claim that female police are better peacekeepers, less prone to violence, better able to interact with local women, more concerned about sexual violence, and act as role models, challenge gender stereotypes, and encourage local women to participate in the security sector. However, little systematic research has been conducted to evaluate these claimed practical impacts of the units. This thesis evaluates the effects …
Wingtip Vortices From An Exergy Based Perspective
Wingtip Vortices From An Exergy Based Perspective
Stander Symposium Projects
The lens of exergy is used to investigate a wingtip vortex in the near wake over a range of angles of attack. Exergy is the measure of thermodynamically “available” energy as determined through the more discriminating second law of thermodynamics. Experiments were conducted in a water tunnel at ILR Aachen. The data was taken three chord lengths downstream in the Trefftz plane of an aspect ratio (AR) 5 Clark-Y wing with a square edged wingtip using Particle Image Velocimetry (PIV). Intuitively, the minimum available energy state is expected to correspond to the maximum lift to drag ratio angle of attack. …
Research Exercise: Increasing Fafsa Completion Rates: A Look At The Ohio 8 Coalition
Research Exercise: Increasing Fafsa Completion Rates: A Look At The Ohio 8 Coalition
Stander Symposium Projects
Getting students ready to excel in higher education has been a topic dominated by conversations about raising academic rigor and standards. College readiness covers a scope of factors including content knowledge, academic skills, behavioral skills as well as “college knowledge”. College knowledge consists of the information that students need to navigate the complex processes of applying for college as well as financial aid. Many times, students have aspirations of enrolling in higher education but fail to complete essential tasks that make them eligible for college entrance. One of those key tasks is completing the Free Application for Federal Student Aid …
Research Exercise: Research On The Approaches To School Safety
Research Exercise: Research On The Approaches To School Safety
Stander Symposium Projects
Standards for the teaching profession emphasize the importance of awareness, understanding, and integration into practice of current research in education.The purpose of this project is to discover different approaches to school safety.
Cost Optimization With Solar And Conventional Energy Production, Energy Storage, And Real Time Pricing
Stander Symposium Projects
Research is presented that investigates the potential for solar power generation with battery energy storage for reducing the effective cost of energy delivered to residential customers if real time pricing is present. A linear optimization approach is developed based upon a two-step process. In step one, given a specified solar array area and battery capacity, the optimal means to meet loads based upon grid power, solar power, and/or battery power is determined. This analysis considers an expected lifespan of the solar panel. With these results established,in the next step, the capital costs for the solar arrays and batteries are considered …
Effect Of State Policy On Prison
Effect Of State Policy On Prison
Stander Symposium Projects
States often follow trends when enacting sentencing policy. After a trend of get tough on crime policy which placed more and more offenders in prison, many states are turning to justice reinvestment policies, a reversal of these tougher policies. If a state passes a justice reinvestment policy, there is expected to be a decrease in the prison population for the state. Data was collected for every state’s sentencing policy between 1979 and 2011, prison population between 1979 and 2011, as well as the crime rate for these years. Using statistics, it can be concluded that the presence of a justice …
Research Exercise: Of Object Saliency On Early Mathematics And Cognitive Skills
Research Exercise: Of Object Saliency On Early Mathematics And Cognitive Skills
Stander Symposium Projects
The primary focus of our study is to explore the relationship between a child’s early mathematics skills and related cognitive skills and the representational status of the tools used to aid learning in these areas. By focusing on children’s ability to perform based on the nature of the tools given to them, the findings of this study will hopefully lead to a better understanding of the types of objects or learning aids that are most conducive to student learning in early childhood classrooms. Our work is guided heavily by the theory of graded representations, which offers that higher object saliency …
A Momentum Growth Rate Model For Selected 4 Digit Industrial Groupings 2002-2012
A Momentum Growth Rate Model For Selected 4 Digit Industrial Groupings 2002-2012
Stander Symposium Projects
This study is concerned with the development of momentum models that can be used to determine the portfolio weighting for industry classifications below the search level. Using Wharton Research Data Services (WRDS) data on revenue and gross operating profit at the 4 digit SIC code level,five and ten year compound annual growth rates (CAGR) are calculated for a small sample (10) of industry groups. Higher rates of growth in the most recent 5 years compared to the 10 year period will be considered a positive momentum factor. The hypothesis to be to tested is that 4 digit SIC codes with …
An Undivided Heart: How Mary Unites What Sin Divides According To John Paul Ii's Theology Of The Body
Stander Symposium Projects
Today, personhood is often threatened by the tendency to divide the human person into two contrasting parts: body and soul. Many times, this causes the human person to be reduced to a disembodied spiritual being or a disposable object rather than a whole person called to love and be loved. In his teachings known as the Theology of the Body, John Paul II uses a personalistic approach to illuminate the human person as the integration of body and soul. Scripturally based, Theology of the Body is the study of God’s reflection in the human body and human sexuality. Using John …
Research Exercise: Analyzing Circuit Court Rulings In Shield Law Cases
Research Exercise: Analyzing Circuit Court Rulings In Shield Law Cases
Stander Symposium Projects
Journalists in most states are permitted under state law to protect the identities of their confidential sources. Those seeking the identities include defendants in criminal cases, prosecutors, and plaintiffs and respondents in various civil actions. Journalists usually decline to reveal their confidential sources so as not to become “an arm of the law” or an advocate for any cause or party. They also often want to shield people who genuinely have something serious to fear if their identities became known. Even so, some courts in some cases have defied shield laws and ordered journalists to reveal their sources under penalty …
As Stable As The Dollar Stretches: Foreign Aid And Social Stability In Jordan
As Stable As The Dollar Stretches: Foreign Aid And Social Stability In Jordan
Stander Symposium Projects
After the fall out of the Arab Spring in 2010, most of the countries in the Middle East and North Africa region suffered from extreme political, social, and economical instability. Usually, the citizens of these counties were revolting against the authoritarian regimes that have held power for decades. Jordan stands as the only obvious exception. How has Jordan maintained relative economic stability where others have failed? I have found that it is hard to judge the economic or social stability of Jordan without recognizing the large amounts of foreign aid Jordan has received from the US. This thesis asks what …
Assessing The Energy Requirements Of Actuators During Common Automation Tasks
Assessing The Energy Requirements Of Actuators During Common Automation Tasks
Stander Symposium Projects
Manufacturing operations is a major consumer of energy, with a large proportion being used to operate motors. The objective of this project is to create principles for the design of automation mechanisms that have reduced energy needs. As part of the project, an experimental study was performed to assess the energy required by industrial actuators for common automation tasks. The energy consumption is mapped to torque, motion and time on task. Using this information, the influence of mechanism architecture and dimensional synthesis of single-degree-of-freedom manufacturing devices can be assessed and design guidelines can be formulated.
Blur Processing Using Double Discrete Wavelet Transform
Blur Processing Using Double Discrete Wavelet Transform
Stander Symposium Projects
We propose a notion of double discrete wavelet transform (DDWT) that is designed to sparsify the blurred image and the blur kernel simultaneously. DDWT greatly enhances our ability to analyze, detect, and process blur kernels and blurry images—the proposed framework handles both global and spatially varying blur kernels seamlessly, and unifies the treatment of blur caused by object motion, optical defocus, and camera shake. To illustrate the potential of DDWT in computer vision and image processing, we develop example applications in blur kernel estimation, deblurring, and near-blur-invariant image feature extraction.
Brain Machine Interface For Controlling A Robotic Arm
Brain Machine Interface For Controlling A Robotic Arm
Stander Symposium Projects
This project takes Electroencephalography (EEG) data and correlates it with specific robotic actions. The process is implemented using a 3 phase system that includes EEG signal acquisition, data classification, and robotic action encoding. This project utilizes the Emotiv EPOC headset that uses 14 electrodes which detects brain activity and wirelessly transmits raw data to a personal computer. The project utilizes Emotiv software to classify and translate and encode this raw EEG signal into a command to control a robotic arm. This Brain Machine Interface (BMI) research has many potential applications; for example, it could help the handicapped use robots to …
Catholic Social Ministry Gathering: Flyers Advocate For Justice
Catholic Social Ministry Gathering: Flyers Advocate For Justice
Stander Symposium Projects
On February 2nd, 2014, the University of Dayton sent a delegation of students and faculty to the Catholic Social Ministry Gathering in Washington, DC. During this four day gathering of educators, policy makers, religious and lay people, and social justice advocates from all over the world, the group lobbied Congress on Capitol Hill, learned about the extensive civic engagement and advocacy work being done by agencies, academics, and workers of all stripes for the principles of Catholic Social Teaching, participated in policy sessions, plenary discussions, and dialogues about issues facing the world and Church today, and reflected on how the …
Research Exercise: Characterization Of Wnt Signaling During Dorsal Versus Ventral Iris-Derived Newt Lens Regeneration
Stander Symposium Projects
There are many animals that have the ability to regenerate different tissues during embryonic stage, but only newts have the ability to regenerate whole organs throughout their entire life. Our primary focus is lens regeneration through transdifferentiation of pigment epithelial cells (PECs). This process has been previously shown to be highly topological, that is, trasdifferentiation always occur from the dorsal iris and never from the ventral iris. In order to understand why we have regenerative and non-regenerative tissues in dorsal and ventral iris, respectively, we examined the role and expression of several genes. My research aimed to discover the potential …
Design Of Variable-Geometry Dies For Polymer Extrusion
Design Of Variable-Geometry Dies For Polymer Extrusion
Stander Symposium Projects
Polymer extrusion is the process of forcing a melted plastic through a die to create a continuous part with a constant cross-section dictated by the die’s shape. The goal of this project is to develop a die that can change the cross-section created in the plastic during extrusion. This technology introduces extrusion to a host of products that historically have been manufactured by more expensive and time-consuming techniques like injection molding. Variables considered in order to make the dies both practical and efficient include limiting the degrees of freedom, managing unnecessary die openings, and creating joints that can act as …
Effect Of Compliant Flooring On Postural Stability In An Older Adult Population
Effect Of Compliant Flooring On Postural Stability In An Older Adult Population
Stander Symposium Projects
Balance is affected by the brain’s ability to process sensory information from an individual’s visual, vestibular and proprioceptive inputs. Neurological and elderly patients, including those with Parkinson’s Disease (PD), often have problems in these systems and therefore struggle with balance, putting them at a higher risk of falling. Initial studies have shown compliant floors are able to absorb energy from a fall, reducing injuries, but have not looked at how individuals recover from functional movements on the floors. It was the objective of this study to determine whether compliant flooring has an effect on postural stability during quiet-standing for a …
Effects Of One's Attachment Style On Willingness And Reactions To Self-Sacrifice And Subsequent Relationship Satisfaction.
Stander Symposium Projects
One behavior used to sustain a relationship is self-sacrifice, and one’s willingness to sacrifice has been shown to be positively associated with relationship satisfaction (Van Lange et al., 1997). Depending on the motivations behind self-sacrifice, this practice can lead to improved or poorer couple functioning (Impett, Gable, & Peplau, 2005; Stanley, Whitton, Sadberry, Clements, & Markman, 2006). Those high in anxious attachment experience and express anger due to their fear of abandonment, whereas those high in avoidant attachment experience and express anger due to their avoidance of intimacy (Lafontaine & Lussier, 2005). The current study explored the possibility that level …
Effects Of Moral Licensing On High-Cost And Low-Cost Helping Behaviors
Effects Of Moral Licensing On High-Cost And Low-Cost Helping Behaviors
Stander Symposium Projects
The present study examines the role of cost to self in moral licensing. Previous research shows that people who recall past moral behavior become morally licensed. That is, they are less likely to engage in future high-cost helping behaviors because they feel morally affirmed (Conway & Peetz, 2012). However, these findings are limited to contexts in which participants are asked their likelihood to engage in helping behaviors that are rather costly to the self (e.g., buying someone lunch). Thus far, research has not studied the effect of moral licensing on helping that is low in cost to the self (e.g., …
Research Exercise: Ethos Appropriate Solar Technology For Bihar, India
Research Exercise: Ethos Appropriate Solar Technology For Bihar, India
Stander Symposium Projects
An investigation of the potential for appropriate solar technology in Bihar, India, including solar thermal refrigeration systems. Both current applications and potential opportunities will be examined.
Establishing Sector Weights For The Ud Flyer Fund: A Quantitative Approach
Establishing Sector Weights For The Ud Flyer Fund: A Quantitative Approach
Stander Symposium Projects
Establishing Sector Weights for the UD Flyer Fund: A Quantitative Approach Since stocks in the Flyer Fund are grouped by S&P Sectors, an important factor in the Fund’s performance is the portfolio weight given to each sector. To a large extent, sector weights depend on the Flyer Fund investment team’s evaluation of U.S. macro-economic conditions as well as monetary/fiscal policy initiatives by the U.S. Government. The decision to over or under weight a given sector, however, is based more on intuition and subjective judgment than empirical analysis. The purpose of this study, therefore, is to develop a more objective framework …
Free Trade As Neocolonialism: Cafta, The United States And Guatemala
Free Trade As Neocolonialism: Cafta, The United States And Guatemala
Stander Symposium Projects
In today’s world, free trade is seen as a forgone conclusion in the march towards economic development. The origin of free trade agreements rests in the neoliberalist surge of the twentieth century based upon finding a middle ground between central planning and laissez-faire capitalism. As the twentieth century progressed, neoliberalism and the ideas associated with it fell more to the side of laissez-faire capitalism. Free trade agreements between developed and developing countries demonstrate a play of power on behalf of the developed countries that seems unfair. There are stories that are not told about free trade agreements. Economic data analysis …
High Resolution 3d Reconstruction Using A Hexacopter Drone
High Resolution 3d Reconstruction Using A Hexacopter Drone
Stander Symposium Projects
One of the greatest challenges in developing automation algorithms for aerial surveillance applications is the difficult of gathering data. Algorithm developers rely on infrequent and expensive test flights for obtain imagery datasets. As a result of the status quo, algorithms tend to be gear towards and perform well on specific imagery sets. We present the Hexacopter Drone, the Vision Lab’s newly acquired unmanned aerial vehicle (UAV), used for inexpensive collection of aerial imagery data for various research activities. The UAV, a TurboAce Cinewing 6 hexacopter, carries a Canon 5D Mark III mounted to a separately controlled gimbal and has a …
Investigating Dna Repair Processes In Bacteria: Can D. Rad Pria Load D. Rad Dnab Onto Dna Forks With A Leading Strand Gap?
Stander Symposium Projects
My research focused on the repair and replication of damaged DNA in the Deinococcus radiodurans (D. rad) bacteria, which is able to survive extreme levels of DNA damage with no detriment to its health because it is very efficient at repairing damaged DNA. In replicating (copying) bacterial DNA, damaged DNA will cause the replication to stop. This requires the DNA replication to be restarted in order for replication to be completed and cell death avoided. In most bacteria the proteins that function to restart DNA replication at points of DNA damage are fairly well conserved from bacteria to bacteria; however …
Measuring Spatial Intelligence And Memory For Location: Athletes V. Non-Athletes
Measuring Spatial Intelligence And Memory For Location: Athletes V. Non-Athletes
Stander Symposium Projects
This research project examined whether athletes have better spatial abilities and memory for location than non-athletes. Due to their extensive experience in tracking the location of objects and teammates in relation to spatial layouts, athletes were predicted to outperform their non-athlete counterparts on spatial tasks. Similarly, while everyday short-term memory should be equivalent for athletes and non-athletes, memory for location was hypothesized to be better for athletes. To test the similarity of everyday short-term memory, strings of letters were presented which participants had to recall immediately. Athletes and non-athletes were equivalent in performance for this typical short-term memory task, suggesting …
Phase-Shifting Holography Using Bragg And Non-Bragg Orders In Photorefractive Linbo3
Phase-Shifting Holography Using Bragg And Non-Bragg Orders In Photorefractive Linbo3
Stander Symposium Projects
The refractive index (RI) of a material can be changed due to several effects such as the optical Kerr effect and the photorefractive (PR) effect. The use of PR materials for implementing real time phase shifting holographic interferometry is discussed in this work. Holographic interferometry (HI) is an effective and rich method for measuring very small (order of a wavelength) displacements and it is widely used for non-destructive testing. Bragg and non-Bragg orders can be generated during two-beam coupling in a PR material due to the induced RI in the material and can be used to retrieve the phase information …
Research Exercise: Overfishing: Don't Get Reeled Into The Lies
Research Exercise: Overfishing: Don't Get Reeled Into The Lies
Stander Symposium Projects
According to the United Nations website, one out of 5 people rely on getting their protein from fish. Based on this fact, the fate of aquaculture in terms of overfishing could be devastating. Unfortunately, the overview of the United Nations Oceans and Law of the Sea does not explicitly detail the need for sustaining biodiversity within each State’s respective boundaries. Rather, it focuses on the ability of each State to control the usage of their waters’ resources and marine life. The most recent meeting on the Law of the Sea was dedicated to the determining the means by which are …