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This honors thesis is focused on two separate catalysis projects conducted under the mentorship of Dr. Javier Pérez-Ramírez at ETH Zürich. The first project explored ethylene oxychlorination over supported europium oxychloride catalysts. The second project investigated alkyne semihydrogenation over nickel phosphide catalysts. This work is the subject of a publication

This honors thesis is focused on two separate catalysis projects conducted under the mentorship of Dr. Javier Pérez-Ramírez at ETH Zürich. The first project explored ethylene oxychlorination over supported europium oxychloride catalysts. The second project investigated alkyne semihydrogenation over nickel phosphide catalysts. This work is the subject of a publication of which I am a co-author, as cited below.

Project 1 Abstract: Ethylene Oxychlorination
The current two-step process for the industrial process of vinyl chloride production involves CuCl2 catalyzed ethylene oxychlorination to ethylene dichloride followed by thermal cracking of the latter to vinyl chloride. To date, no industrial application of a one-step process is available. To close this gap, this work evaluates a wide range of self-prepared supported CeO2 and EuOCl catalysts for one-step production of vinyl chloride from ethylene in a fixed-bed reactor at 623 773 K and 1 bar using feed ratios of C2H4:HCl:O2:Ar:He = 3:3 6:1.5 6:3:82 89.5. Among all studied systems, CeO2/ZrO2 and CeO2/Zeolite MS show the highest activity but suffer from severe combustion of ethylene, forming COx, while 20 wt.% EuOCl/γ-Al2O3 leads to the best vinyl chloride selectivity of 87% at 15.6% C2H4 conversion with complete suppression of CO2 formation and only 4% selectivity to CO conversion for over 100 h on stream. Characterization by XRD and EDX mapping reveals that much of the Eu is present in non-active phases such as Al2Eu or EuAl4, indicating that alternative synthesis methods could be employed to better utilize the metal. A linear relationship between conversion and metal loading is found for this catalyst, indicating that always part of the used Eu is available as EuOCl, while the rest forms inactive europium aluminate species. Zeolite-supported EuOCl slightly outperforms EuOCl/γ Al2O3 in terms of total yield, but is prone to significant coking and is unstable. Even though a lot of Eu seems locked in inactive species on EuOCl/γ Al2O3, these results indicate possible savings of nearly 16,000 USD per kg of catalyst compared to a bulk EuOCl catalyst. These very promising findings constitute a crucial step for process intensification of polyvinyl chloride production and exploring the potential of supported EuOCl catalysts in industrially-relevant reactions.

Project 2 Abstract: Alkyne Semihydrogenation
Despite strongly suffering from poor noble metal utilization and a highly toxic selectivity modifier (Pb), the archetypal catalyst applied for the three-phase alkyne semihydrogenation, the Pb-doped Pd/CaCO3 (Lindlar catalyst), is still being utilized at industrial level. Inspired by the very recent strategies involving the modification of Pd with p-block elements (i.e., S), this work extrapolates the concept by preparing crystalline metal phosphides with controlled stoichiometry. To develop an affordable and environmentally-friendly alternative to traditional hydrogenation catalysts, nickel, a metal belonging to the same group as Pd and capable of splitting molecular hydrogen has been selected. Herein, a simple two-step synthesis procedure involving nontoxic precursors was used to synthesize bulk nickel phosphides with different stoichiometries (Ni2P, Ni5P4, and Ni12P5) by controlling the P:Ni ratios. To uncover structural and surface features, this catalyst family is characterized with an array of methods including X-ray diffraction (XRD), 31P magic-angle nuclear magnetic resonance (MAS-NMR) spectroscopy, and X-ray photoelectron spectroscopy (XPS). Bulk-sensitive techniques prove the successful preparation of pure phases while XPS analysis unravels the facile passivation occurring at the NixPy surface that persists even after reductive treatment. To assess the characteristic surface fingerprints of these materials, Ar sputtering was carried out at different penetration depths, reveling the presence of Ni+ and P-species. Continuous-flow three-phase hydrogenations of short-chain acetylenic compounds display that the oxidized layer covering the surface is reduced under reaction conditions, as evidenced by the induction period before reaching the steady state performance. To assess the impact of the phosphidation treatment on catalytic performance, the catalysts were benchmarked against a commercial Ni/SiO2-Al2O3 sample. While Ni/SiO2-Al2O3 presents very low selectivity to the alkene (the selectivity is about 10% at full conversion) attributed to the well-known tendency of naked nickel nanoparticles to form hydrides, the performance of nickel phosphides is highly selective and independent of P:Ni ratio. In line with previous findings on PdxS, kinetic tests indicate the occurrence of a dual-site mechanism where the alkyne and hydrogen do not compete for the same site.

This work is the subject of a publication of which I am a co-author, as cited below.

D. Albani; K. Karajovic; B. Tata; Q. Li; S. Mitchell; N. López; J. Pérez-Ramírez. Ensemble Design in Nickel Phosphide Catalysts for Alkyne Semi-Hydrogenation. ChemCatChem 2019. doi.org/10.1002/cctc.201801430
ContributorsTata, Bharath (Author) / Deng, Shuguang (Thesis director) / Muhich, Christopher (Committee member) / Chemical Engineering Program (Contributor, Contributor) / School of Sustainability (Contributor) / Barrett, The Honors College (Contributor)
Created2019-05
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Extreme heat is the deadliest weather and climate-related hazard in the United States, and the threat it poses to urban residents is rising. City planners increasingly recognize these risks and are taking action to mitigate them. However, the COVID-19 pandemic has disrupted many plans. Building on a

Extreme heat is the deadliest weather and climate-related hazard in the United States, and the threat it poses to urban residents is rising. City planners increasingly recognize these risks and are taking action to mitigate them. However, the COVID-19 pandemic has disrupted many plans. Building on a previous survey which queried city planners from across the United States about how concerned they were about extreme heat, and their heat management efforts. This thesis examines how these perceptions and efforts have changed in the face of the COVID-19 pandemic. In general, it was found that public spaces which would typically have been used to shelter individuals from extreme heat conditions were closed to mitigate close-contact and to encourage social distancing. Furthermore, priorities were changed as the presence of the virus became commonplace, with plans being altered, delayed, or shelved to diverge more time and effort towards the crisis at hand. Working environments and conditions also changed, which in several cases led to technological shortcomings, resulting in further delays. Finally, most planners had attained a surface-level understanding of which socio-economic groups were most impacted by both COVID-19 and extreme heat, in congruence with the current literature written on the topic. Generally, it appears that planners feel that the impact of COVID-19 on heat planning efforts has been limited.

ContributorsNorris, Walker Yale (Author) / Meerow, Sara (Thesis director) / Keith, Ladd (Committee member) / Dean, W.P. Carey School of Business (Contributor) / Barrett, The Honors College (Contributor)
Created2021-05
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For our project, we explored the growth of the ASU BioDesign Clinical Testing Laboratory (ABCTL) from a standard university research lab to a COVID-19 testing facility through a business lens. The lab has pioneered the saliva-test in the Western United States. This thesis analyzes the laboratory from various business concepts

For our project, we explored the growth of the ASU BioDesign Clinical Testing Laboratory (ABCTL) from a standard university research lab to a COVID-19 testing facility through a business lens. The lab has pioneered the saliva-test in the Western United States. This thesis analyzes the laboratory from various business concepts and aspects. The business agility of the lab and it’s quickness to innovation has allowed the lab to enjoy great success. Looking into the future, the laboratory has a promising future and will need to answer many questions to remain the premier COVID-19 testing institution in Arizona.

ContributorsQian, Michael (Co-author) / Cosgrove, Samuel (Co-author) / English, Corinne (Co-author) / Agee, Claire (Co-author) / Mattson, Kyle (Co-author) / Compton, Carolyn (Thesis director) / Schneller, Eugene (Committee member) / School of Accountancy (Contributor) / Department of Finance (Contributor) / Department of Information Systems (Contributor) / Barrett, The Honors College (Contributor)
Created2021-05
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Description

For our project, we explored the growth of the ASU BioDesign Clinical Testing Laboratory (ABCTL) from a standard university research lab to a COVID-19 testing facility through a business lens. The lab has pioneered the saliva-test in the Western United States. This thesis analyzes the laboratory from various business concepts

For our project, we explored the growth of the ASU BioDesign Clinical Testing Laboratory (ABCTL) from a standard university research lab to a COVID-19 testing facility through a business lens. The lab has pioneered the saliva-test in the Western United States. This thesis analyzes the laboratory from various business concepts and aspects. The business agility of the lab and it’s quickness to innovation has allowed the lab to enjoy great success. Looking into the future, the laboratory has a promising future and will need to answer many questions to remain the premier COVID-19 testing institution in Arizona.

ContributorsEnglish, Corinne (Co-author) / Cosgrove, Samuel (Co-author) / Mattson, Kyle (Co-author) / Agee, Claire (Co-author) / Qian, Michael (Co-author) / Compton, Carolyn (Thesis director) / Schneller, Eugene (Committee member) / Department of Information Systems (Contributor) / Department of Supply Chain Management (Contributor) / Dean, W.P. Carey School of Business (Contributor) / Barrett, The Honors College (Contributor)
Created2021-05
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Description

For our project, we explored the growth of the ASU BioDesign Clinical Testing Laboratory (ABCTL) from a standard university research lab to a COVID-19 testing facility through a business lens. The lab has pioneered the saliva-test in the Western United States. This thesis analyzes the laboratory from various business concepts

For our project, we explored the growth of the ASU BioDesign Clinical Testing Laboratory (ABCTL) from a standard university research lab to a COVID-19 testing facility through a business lens. The lab has pioneered the saliva-test in the Western United States. This thesis analyzes the laboratory from various business concepts and aspects. The business agility of the lab and it’s quickness to innovation has allowed the lab to enjoy great success. Looking into the future, the laboratory has a promising future and will need to answer many questions to remain the premier COVID-19 testing institution in Arizona.

ContributorsAgee, Claire (Co-author) / English, Corinne (Co-author) / Mattson, Kyle (Co-author) / Qian, Michael (Co-author) / Cosgrove, Samuel (Co-author) / Compton, Carolyn (Thesis director) / Schneller, Eugene (Committee member) / Department of Finance (Contributor) / Department of Supply Chain Management (Contributor) / Barrett, The Honors College (Contributor)
Created2021-05
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Description

For our project, we explored the growth of the ASU BioDesign Clinical Testing Laboratory (ABCTL) from a standard university research lab to a COVID-19 testing facility through a business lens. The lab has pioneered the saliva-test in the Western United States. This thesis analyzes the laboratory from various business concepts

For our project, we explored the growth of the ASU BioDesign Clinical Testing Laboratory (ABCTL) from a standard university research lab to a COVID-19 testing facility through a business lens. The lab has pioneered the saliva-test in the Western United States. This thesis analyzes the laboratory from various business concepts and aspects. The business agility of the lab and it’s quickness to innovation has allowed the lab to enjoy great success. Looking into the future, the laboratory has a promising future and will need to answer many questions to remain the premier COVID-19 testing institution in Arizona.

ContributorsMattson, Kyle (Co-author) / Agee, Claire (Co-author) / English, Corinne (Co-author) / Cosgrove, Samuel (Co-author) / Compton, Carolyn (Thesis director) / Schneller, Eugene (Committee member) / Department of Marketing (Contributor) / Department of Supply Chain Management (Contributor) / Barrett, The Honors College (Contributor)
Created2021-05
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Description

Healthcare facilities are essential for any community, and they must stay up-to-date with the latest equipment and technology. They provide necessary resources for keeping populations healthy and safe. In order to provide healthcare services, these healthcare facilities must be adequately equipped with appropriate physical capital as well as software to

Healthcare facilities are essential for any community, and they must stay up-to-date with the latest equipment and technology. They provide necessary resources for keeping populations healthy and safe. In order to provide healthcare services, these healthcare facilities must be adequately equipped with appropriate physical capital as well as software to meet the demands of their patients. Healthcare capital equipment planning involves building up a facility with all it’s equipment and is a part of the healthcare supply chain. Attainia is a healthcare capital equipment planning software used to assist equipment planners in organizing the procurement of equipment for their projects. Attainia has a large amount of data about the capital equipment supply chain through the Attainia equipment catalog. Analysis of this catalog data reveals different patterns in the spending patterns of capital equipment planners as well as trends in the supplier offerings. Since Attainia itself is a software, Attainia’s users have experience with implementing and integrating software into healthcare IT solutions. Their experiences give some insight into the complex nature of software implementations at healthcare facilities. The COVID-19 pandemic has affected healthcare facilities all over the world. Impacting the supply chain and hitting hospitals’ finances, COVID-19 has drastically changed many parts of the healthcare system. This paper will examine some of these ongoing effects from COVID-19 along with analysis on capital equipment planning, supply chain, and healthcare software implementation.

ContributorsShah, Shailee (Author) / Pye, Jessica (Thesis director) / Roumina, Kavous (Committee member) / School of International Letters and Cultures (Contributor) / Department of Information Systems (Contributor, Contributor) / Barrett, The Honors College (Contributor)
Created2021-05
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The SARS-CoV-2 (Covid-19) virus has had severe impacts on college students' ways of life. To examine how students were coping and perceiving the Covid-19 pandemic, a secondary analysis of an online survey across the three Arizona public universities investigated students’ knowledge about Covid-19, engagement with preventive strategies, pandemic preparedness and

The SARS-CoV-2 (Covid-19) virus has had severe impacts on college students' ways of life. To examine how students were coping and perceiving the Covid-19 pandemic, a secondary analysis of an online survey across the three Arizona public universities investigated students’ knowledge about Covid-19, engagement with preventive strategies, pandemic preparedness and gauged their risk perception. Results from our analysis indicate that the students were knowledgeable about Covid-19 and were changing their habits and engaging with preventive measures. Results further suggest that students were prepared for the pandemic in terms of resources and were exhibiting high-risk perceptions. The data also revealed that students who were being cautious and engaging with preventive behaviors had a higher risk-perception than individuals who were not. As for individuals who were prepared for the pandemic in terms of supplies, their risk perception was similar to those who did not have supplies. Individuals who were prepared and capable of providing a single caretaker to tend to their sick household members and isolate them in a separate room had a higher risk perception than those who could not. These results can help describe how college students will react to a future significant event, what resources students may be in need of, and how universities can take additional steps to keep their students safe and healthy. The results from this study and recommendations will provide for a stronger and more understanding campus community during times of distress and can improve upon already established university protocols for health crises and even natural disasters.

ContributorsNaqvi, Avina Itrat (Co-author) / Shaikh, Sara (Co-author) / Jehn, Megan (Thesis director) / Adams, Marc (Committee member) / School of Life Sciences (Contributor) / School of Human Evolution & Social Change (Contributor) / Barrett, The Honors College (Contributor)
Created2021-05
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Description

Vaccines are modern medicine’s best way of combating the majority of viral and bacterial illnesses and contagions to date. Thanks to the introduction of vaccines since the first uses of them in 1796 (Jenner’s smallpox vaccine), they have drastically reduced figures of disease worldwide, turning once lethal and life changing

Vaccines are modern medicine’s best way of combating the majority of viral and bacterial illnesses and contagions to date. Thanks to the introduction of vaccines since the first uses of them in 1796 (Jenner’s smallpox vaccine), they have drastically reduced figures of disease worldwide, turning once lethal and life changing conditions into minor annoyances; Some of these afflictions have even become nonexistent or even extinct in certain parts of the world outside of a controlled laboratory setting. With many advancements and overwhelming evidence proving their efficiency, it is clear that vaccines have become nothing less than a necessity for everyday healthcare in today’s world. <br/>The greatest contributor to the creation and evolution of vaccines throughout the years is by far the progress and work done in the field of molecular and cellular biology. These advancements have become the bedrock of modern vaccination, as shown by the differing types of vaccines and their methodology. The most common varieties of vaccines are include ‘dead’ or inactivated vaccines, one such example being the pertussis strain of vaccines, which have either dead or torn apart cells for the body to easily fight off, allowing the immune system to easily and quickly counter the illness; Additionally, there are also live attenuated vaccines (LAVs) in which a weaker version of the pathogen is introduced to the body to stimulate an immune response, or a recombinant mRNA vaccine where mRNA containing the coding for an antigen is presented for immunological response, the latter being what the current COVID-19 vaccines are based on. This is in part aided by the presence of immunological adjuvants, antigens and substances that the immune system can recognize, target, and remember for future infections. However, for more serious illnesses the body needs a bigger threat to analyze, which leads to live vaccines- instead of dead or individual components of a potential pathogen, a weakened version is created in the lab to allow the body to combat it. The idea behind this is the same, but to a larger degree so a more serious illness such as measles, mumps, and rubella (MMR) do not infect us.<br/>However, for the past couple of decades the public’s views on vaccination has greatly varied, with the rise of fear and disinformation leading those to believe that modern medicine is a threat in disguise. The largest of these arguments began in the late 90’s, when Dr. Andrew Wakefield published an article under the Lancet with false information connecting vaccinations to the occurrence of autism in younger children- a theory which has since then been proven incorrect numerous times over. Unfortunately, the rise of hysteria and paranoia in people, along with more misinformation from misleading sources, have strengthened the anti-vaccination cause and has made it into a serious threat to the health of those world-wide.<br/>The aim of this thesis is to provide an accurate and thorough analysis on these three themes- the history of vaccines, their inner workings and machinations in providing immune defenses for the body, and the current controversy of the anti-vaccination movement. Additionally, there will be two other sections going in-depth on two specific areas where vaccination is highly important; The spread and fear of the Human Immunodeficiency Virus (HIV) has been around for nearly four decades, so it begs the question: what makes this such a difficult virus, and how can a vaccine be created to combat it? Additionally, in the last year the world has encountered a new virus that has evolved into a global pandemic, SARS-COV 2. This new strain of coronavirus has shown itself to be highly contagious and rapidly mutating, and the race to quickly develop a vaccine to counteract it has been on-going since its first major infections in Wuhan, China. Overall, this thesis will go in-depth in providing the most accurate, up-to-date, and critical information regarding vaccinations today.

ContributorsKolb Celaya, Connor Emilio (Author) / Topal, Emel (Thesis director) / Huffman, Holly (Committee member) / College of Integrative Sciences and Arts (Contributor) / School of International Letters and Cultures (Contributor) / Barrett, The Honors College (Contributor)
Created2021-05
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Description

The COVID-19 pandemic has and will continue to radically shift the workplace. An increasing percentage of the workforce desires flexible working options and, as such, firms are likely to require less office space going forward. Additionally, the economic downturn caused by the pandemic provides an opportunity for companies to secure

The COVID-19 pandemic has and will continue to radically shift the workplace. An increasing percentage of the workforce desires flexible working options and, as such, firms are likely to require less office space going forward. Additionally, the economic downturn caused by the pandemic provides an opportunity for companies to secure favorable rent rates on new lease agreements. This project aims to evaluate and measure Company X’s potential cost savings from terminating current leases and downsizing office space in five selected cities. Along with city-specific real estate market research and forecasts, we employ a four-stage model of Company X’s real estate negotiation process to analyze whether existing lease agreements in these cities should be renewed or terminated.

ContributorsRies, Sarah Cristine (Co-author) / Saker, Logan (Co-author) / Hegardt, Brandon (Co-author) / Patterson, Jack (Co-author) / Simonson, Mark (Thesis director) / Hertzel, Michael (Committee member) / Department of Finance (Contributor, Contributor) / Barrett, The Honors College (Contributor)
Created2021-05