Digital Commons Network^™

Assessment On Food And Water Collection On Mars Vs. Human Survival, Michael Todd Herman Jr.

Missouri S&T’s Peer to Peer

This research focuses on the possibility of farming and water collection on Mars to determine if enough food and water can be gathered to support sustained human life. The inspiration for this comes from the plans to put a human on Mars and create a sustained colony, such as Mars One. This colony can become the basis for a multi-planetary civilization that will substantially reduce future overcrowding problems (the population in 2050 is projected to be 11 billion and is expected to continue to grow exponentially) and promote additional research on space travel that can aid in the reduction of …

Defining Consciousness, Adam Bateman

Missouri S&T’s Peer to Peer

A researcher trying to develop a conscious artificial intelligence or examine consciousness in plants would be completely unable to do so without first obtaining a clear, concise, and global definition. This idea is what originally inspired my research. The main method of research to be used will be to thoroughly examine scholarly articles pertaining to consciousness and different theories of the mind. After gathering data and different ideas, I will create a definition that is plausible, and is optimized in terms of being useful to researchers. Currently, the issue is that there are an incredible amount of mental features that …

Efficiency Of Solar Cell Design And Materials, Grant Vonderhaar

Missouri S&T’s Peer to Peer

Fossil fuels have dominated the energy world ever since their introduction in the Industrial Revolution, and the world has grown more dependent on them in the Postmodern Era. However, the limited amount of fossil fuels in the world poses a problem for future generations; solar energy is the solution to this potential future energy crisis. The purpose of this study is to provide a comprehensive review of solar panel materials so that solar panels can be refined until they can replace fossil fuels entirely. In this study, I have researched designs for solar cells and determined the most efficient design …

Biosensors For Cancer Detection Applications, Shannon Griffin

Missouri S&T’s Peer to Peer

Cancer is one of the most deadly diseases, and current detection options are ineffective. Recently, a large amount of research has been conducted for the development of biosensors able to detect cancer biomarkers. Many biosensors have been created for cancer detecting purposes. I examined literature reviews outlining current biosensing methods. These reviews provided an overview of the sensing techniques that are currently in existence as well as evaluations of their effectiveness. I also read experimental reports that outline the construction of biosensors fabricated in laboratories and the results of their testings. These papers help to showcase the feasibility and effectiveness …

Augmented Approaches To Engineering, Matthew Gary Booth

Missouri S&T’s Peer to Peer

This paper presents the results of research into the integration and application of augmented reality (AR) and virtual reality (VR) systems into the fields of engineering and engineering education. The research discusses the current iterations of these systems, and the programs that are being developed to run on them. Also being discussed is the potential benefits that implementing these systems can give to engineering education by improving spatial skills for use in engineering education and engineering design. This paper also touches on the current state of the AR and VR markets, and their current focus on entertainment based consumer electronics. …

Exploring Potential Flaws And Dangers Involving Machine Learning Technology, David Nicholas Skoff

Missouri S&T’s Peer to Peer

This paper seeks to explore the ways in which machine learning and AI may influence the world in the future and the potential for the technology to be misused or exploited. In 1959 Arthur Samuel defined machine learning as “the field of study that gives computers the ability to learn without being explicitly programmed” (Munoz). This paper will also seek to find out if there is merit to the current worry that robots will take over some jobs based in cognitive abilities. In the past, a human was required to perform these jobs, but with the rise of more complex …

Network Security: Internet Protocol Version Six Security, Hannah Reinbolt

Missouri S&T’s Peer to Peer

It is no secret that the pool of public internet addresses available with Internet Protocol version Four (IPv4) is gone. (Morphy, 2011) Thus the migration to the more roomy Internet Protocol version Six (IPv6) has begun. This migration is a complex process including different security procedures and updates that require time and knowledge. This paper will dive into scientific writings, with databases like Scopus and IEEE, about various security risks in the IPv6 protocol such as tunneling practices, router issues and issues with Internet Protocol Security (IPsec). This paper will overview security practices to better clarify common vulnerabilities in IPv6. …

An Analysis Of The Environmental Impact Of Electric Vehicles, Ashley Schmid

Missouri S&T’s Peer to Peer

Electric cars have the reputation as a possible solution to many modern environmental and economic issues. Electric motors have been an interest of many inventors since the 1830s, but fully electric vehicles were not prevalent until 2008 when Tesla Motors released the Roadster. The looming energy crisis is one of the main motivations for the advancement in renewable and alternative fuel technologies, but since the early 60s, it has been the environmental lobby that has been pushing for this change. The environment suffers from industrialized nations as the amount of greenhouse gas emissions reach new heights every year. Filtration systems …

Clinical Uses For Psychedelic Drugs, Matthew Clarkson

Missouri S&T’s Peer to Peer

Throughout the last forty years, psychedelic drugs have been illegal in the United States. Stigmatized due to the potential for abuse, the use of these drugs has been relegated to simple criminal activity and research stagnated for those 40 years. Slowly, research has begun to pick up as the restrictions begin to lift incrementally. However, the current restrictions are intense, further limiting the amount of research conducted that can reveal the medical benefits of these drugs. Through multiple studies, both open-label and double-blinded to show both feasibility and efficacy, as well as the biological impact of the drugs, significant anxiolytic, …

Guidelines - File Format Recommendations, James Roger Weaver

Scholars' Mine - Policies, Procedures and Guidelines

The purpose of these guidelines is to provide recommendations and support as to appropriate file types to use when submitting files to Scholars’ Mine for long-term preservation and access.

The Continuous Synthesis Of Pd Supported On Fe3o4 Nanoparticles: A Highly Effective And Magnetic Catalyst For Co Oxidation, Hany A. Elazab, Sherif Moussa, Kendra W. Brinkley, B. Frank Gupton, M. Samy El-Shall

Chemical and Biochemical Engineering Faculty Research & Creative Works

We report a facile approach used for the simultaneous reduction and synthesis of a well dispersed magnetically separable palladium nanoparticle supported on magnetite (Pd/Fe₃O₄ nanoparticles) via continuous flow synthesis under microwave irradiation conditions, using a Wave Craft's microwave flow reactor commercially known as Arrhenius One, which can act as a unique process for the synthesis of highly active catalysts for carbon monoxide (CO) oxidation catalysis. The prepared catalysts are magnetic, which is an advantage in the separation process of the catalyst from the reaction medium. The separation process is achieved by applying a strong external magnetic field …

Guidelines - Metadata Review For Research Data, James Roger Weaver

Scholars' Mine - Policies, Procedures and Guidelines

The purpose of these guidelines is to ensure the accuracy, completeness, and usability of metadata for research datasets ingested into our institutional repository (Scholars’ Mine).

Flowchart - Scholars' Mine Organizational Structure, James Roger Weaver

Scholars' Mine - Policies, Procedures and Guidelines

Organizational Flowchart

Policy - Scholars' Mine Collection Development, James Roger Weaver

Scholars' Mine - Policies, Procedures and Guidelines

This policy provides guidance for content selection for our institutional repository (Scholars’ Mine). The purpose of this policy is to anticipate and meet the research support and information access needs of our campus community.

Fully Differential Study Of Capture With Vibrational Dissociation In P+ H2 Collisions, B. R. Lamichhane, T. Arthanayaka, J. Remolina, Ahmad Hasan, M. F. Ciappina, F. Navarrete, R. O. Barrachina, R. A. Lomsadze, Michael Schulz

Physics Faculty Research & Creative Works

We have measured fully differential cross sections for electron capture in 75 keV p+H2 collisions with subsequent dissociation of the intermediate molecular H2+ ion by vibrational excitation using different projectile coherence lengths. Data were obtained for two molecular orientations as a function of projectile scattering angle. Two types of interference, single- and molecular two-center interference, were identified. The two-center interference structure is phase shifted by π compared to what we expected. Furthermore, the presence of projectile coherence effects could be reconfirmed.

Policy - Scholars' Mine Research Data Management, James Roger Weaver

Scholars' Mine - Policies, Procedures and Guidelines

This policy is a set of guidelines for the digital preservation of research data, from which procedures can be developed with confidence that they meet accepted standards, effectively use resources, and support the mission and goals of the Library. Objectives of this policy are to:

• Describe the challenges associated with the digital preservation of research data.
• Explain the necessity of a research data management policy.
• Outline the principles on which the digital preservation of research data are based.
• State the scope of digital research data preservation activities, including sources and types of digital content that will be preserved.
• Define the …

Policy - Scholars' Mine Deposit License, James Roger Weaver

Scholars' Mine - Policies, Procedures and Guidelines

The objective of this policy is to enable the Library to legally post materials on the open web and to take the necessary steps preserve the materials (preserving the material might mean that the files will need to be converted to a different or newer version of a file format if the existing file format or the hardware/software needed to read it becomes obsolete).

Policy - Scholars' Mine Privacy, James Roger Weaver

Scholars' Mine - Policies, Procedures and Guidelines

The policy extends protection to anyone contributing content to scholars’ Mine either through direct submission or through manual or electronic harvest of content.

Policy - Scholars' Mine Research Data Confidentiality And Ethics Policy, James Roger Weaver

Scholars' Mine - Policies, Procedures and Guidelines

The objective of this policy is ensure that research data houses in Scholars’ Mine conforms to institutional policies and laws regarding the confidentiality and ethical practices in research.

Policy - Scholars' Mine Digital Preservation, James Roger Weaver

Scholars' Mine - Policies, Procedures and Guidelines

This policy is a set of guidelines for digital preservation, from which procedures can be developed with confidence that they meet accepted standards, effectively use resources, and support the mission and goals of the Library. Objectives of this policy are to:

• Describe the challenges associated with digital preservation.
• Explain the necessity of a digital preservation policy.
• Outline the principles on which digital preservation actions are based.
• State the scope of digital preservation activities, including sources and types of digital content that will be preserved.
• Define the strategies that will be performed to ensure the long-term preservation of digital resources.
• Identify …

Automated Breast Cancer Diagnosis Using Deep Learning And Region Of Interest Detection (Bc-Droid), Richard Platania, Jian Zhang, Shayan Shams, Kisung Lee, Seungwon Yang, Seung Jong Park

Computer Science Faculty Research & Creative Works

Detection of suspicious regions in mammogram images and the subsequent diagnosis of these regions remains a challenging problem in the medical world. There still exists an alarming rate of misdiagnosis of breast cancer. This results in both over treatment through incorrect positive diagnosis of cancer and under treatment through overlooked cancerous masses. Convolutional neural networks have shown strong applicability to various image datasets, enabling detailed features to be learned from the data and, as a result, the ability to classify these images at extremely low error rates. In order to overcome the difficulty in diagnosing breast cancer from mammogram images, …

Differential Measurements Of Ionization And Excitation Of H2 By 250 Ev Positrons, O. G. De Lucio, Robert D. Dubois

Physics Faculty Research & Creative Works

Synopsis Ejected electron-recoil ion and scattered projectile-recoil ion coincidences are measured for 250 eV positron impact on molecular hydrogen. The electron detector is also sensitive to photon emission. Various combinations of these coincidence spectra are used to extract differential information about ionization and excitation of H2.

Benchmark Calculations Of Double Ionization Of Ne In Graphics Processing Units, F. D. Colavecchia, Michael Schulz, T. Kirchner, M. F. Ciappina

Physics Faculty Research & Creative Works

Synopsis In this work we present the analysis of the numerical performance and accuracy of the Monte Carlo Event Generator method applied to the double ionization of Neon by fast electrons. This implementation of the code runs in Graphics Processing Units, giving a clear advantage over other computational approaches. The code can provide five hundred cross sections per second with the optimal configuration, an order of magnitude faster than CPU counterparts.

Removal Of Retained Electrospinning Solvent Prolongs Drug Release From Electrospun Plla Fibers, Anthony R. D'Amato, Nicholas J. Schaub, Jesus M. Cardenas, Andrew S. Fiumara, Paul M. Troiano, Andrea Fischetti, Ryan J. Gilbert

Chemical and Biochemical Engineering Faculty Research & Creative Works

A major challenge in developing drug-releasing electro spun nanofibers is obtaining long-term drug release over many weeks with no burst release of drug. Here, we present new methods capable of prolonging the diffusive release of small molecule drugs from electro spun poly-L-lactic acid (PLLA) nanofibers. The methods focus on removal of retained electrospinning solvent through fiber heating, maintaining fibers in a laboratory setting, or a combination of these methods. These post-fabrication methods altered the release characteristics of a model small molecule drug, 6-aminonicotinamide (6AN), from PLLA fibers. Specifically, untreated fibers released 6AN over 9 days, and fibers that underwent a …

Quantum Oscillations In The Anomalous Spin Density Wave State Of Feas, Daniel J. Campbell, Chris Eckberg, Kefeng Wang, Limin Wang, Halyna Hodovanets, Dave Graf, David Parker, Johnpierre Paglione

Physics Faculty Research & Creative Works

Quantum oscillations in the binary antiferromagnetic metal FeAs are presented and compared to theoretical predictions for the electronic band structure in the anomalous spin density wave state of this material. Demonstrating a method for growing single crystals out of Bi flux, we utilize the highest quality FeAs to perform torque magnetometry experiments up to 35 T, using rotations of field angle in two planes to provide evidence for one electron and one hole band in the magnetically ordered state. The resulting picture agrees with previous experimental evidence for multiple carriers at low temperatures, but the exact Fermi surface shape differs …

Fabricating Zirconia Components With Organic Support Material By The Ceramic On-Demand Extrusion Process, Wenbin Li, Amir Ghazanfari, Devin Mcmillen, Andrew Scherff, Ming-Chuan Leu, Greg Hilmas

Mechanical and Aerospace Engineering Faculty Research & Creative Works

Ceramic On-Demand Extrusion (CODE) is an extrusion-based additive manufacturing process recently developed for fabricating dense, functional ceramic components. This paper presents a further development of this process and focuses on fabricating 3 mol% yttria-stabilized zirconia (3YSZ) components that cannot be fabricated without using support structures. The 3YSZ paste is deposited through the main nozzle, and a polycaprolactone (PCL) pellet feedstock is melted and deposited through an auxiliary nozzle to build support structures. After a green part is printed and dried, the support structures are removed by heating the part to ~70°C to melt the PCL. The part is then sintered …

Design And Fabrication Of Functionally Graded Material From Ti To Γ-Tial By Laser Metal Deposition, Xueyang Chen, Lei Yan, Joseph William Newkirk, Frank W. Liou

Materials Science and Engineering Faculty Research & Creative Works

Functionally graded material (FGM) is one kind of advanced material characterized by a gradual change in properties as the position varies. The spatial variation of compositional and microstructure over volume is aimed to control corresponding functional properties. In this research, when 100% γ-TiAl was directly deposited on pure Ti substrate, cracks were formed within the γ-TiAl layer. Then a six-layer crack-free functionally graded material of Ti/TiAl was designed and fabricated by laser metal deposition (LMD) method, with composition changing from pure Ti on one side to 100% γ-TiAl on the other side. The fabricated FGM was characterized for material properties …

A Two-Dimensional Simulation Of Grain Structure Growth Within Substrate And Fusion Zone During Direct Metal Deposition, Jingwei Zhang, Wei Li, Frank W. Liou, Joseph William Newkirk

Mechanical and Aerospace Engineering Faculty Research & Creative Works

In this paper, a predictive model based on a cellular automaton (CA)-finite element (FE) method has been developed to simulate thermal history and microstructure evolution during metal solidification for a laser-based additive manufacturing process. The macroscopic FE calculation that is validated by thermocouple experiment is designed to update the temperature field and a high cooling rate. A cellular automata-finite element (CAFE) method is developed to describe grain growth in the fusion zone. In the mesoscopic CA model, heterogeneous nucleation sites, grain growth orientation and rate, epitaxial growth, remelting of preexisting grains, metal addition, grain competitive growth, and columnar to equiaxed …

Additive Manufacturing Of High Entropy Alloys -- A Review, Wenyuan Cui, Xinchang Zhang, Frank W. Liou

Mechanical and Aerospace Engineering Faculty Research & Creative Works

High-entropy alloys have attracted increasingly interest due to their unique compositions, microstructures and mechanical properties. Additive manufacturing has been recognized as a promising technology to fabricate the high-entropy alloys in the recent years. The purpose of this paper is to review the current research progress in high-entropy alloys by additive manufacturing process. It will first highlight the important theory of the high-entropy alloys. The next aspect is to summarize current additive manufacturing methods applied for the high entropy alloys. At last, the correlation between the microstructures and the mechanical properties of the high-entropy alloys will be examined and discussed.

Mechanical Properties Of 304l Parts Made By Laser-Foil-Printing Technology, Chia-Hung Hung, Yiyu Shen, Ming-Chuan Leu, Hai-Lung Tsai

Mechanical and Aerospace Engineering Faculty Research & Creative Works

Laser-Foil-Printing (LFP) is a novel laminated object manufacturing process for metal additive manufacturing. It fabricates three-dimensional metal parts by using a dual-laser system to weld and cut metal foils layer by layer. A main advantage of LFP is the higher cooling rate compared to powder-based laser additive manufacturing processes due to the thermal conductivity difference between foil and powder. This study focuses on the mechanical properties of 304L stainless steel parts built by the LFP process. The experimental results indicate that the yield strength and ultimate tensile strength of LFP fabricated 304L SS parts are higher by 9% and 8% …