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Description
Americans spend upwards of 90% of their time indoors, hence indoor air quality (IAQ) and the impact of IAQ on human health is a major public health concern. IAQ can be negatively impacted by outdoor pollution infiltrating indoors, the emission of indoor pollutants, indoor atmospheric chemistry and poor ventilation. Energy

Americans spend upwards of 90% of their time indoors, hence indoor air quality (IAQ) and the impact of IAQ on human health is a major public health concern. IAQ can be negatively impacted by outdoor pollution infiltrating indoors, the emission of indoor pollutants, indoor atmospheric chemistry and poor ventilation. Energy saving measures like retrofits to seal the building envelope to prevent the leakage of heated or cooled air will impact IAQ. However, existing studies have been inconclusive as to whether increased energy efficiency is leading to detrimental IAQ. In this work, field campaigns were conducted in apartment homes in Phoenix, Arizona to evaluate IAQ as it relates to particulate matter (PM), carbonyls, and tobacco specific nitrosamines (TSNA).

To investigate the impacts of an energy efficiency retrofit on IAQ, indoor and outdoor air quality sampling was carried out at Sunnyslope Manor, a city-subsidized senior living apartment complex. Measured indoor formaldehyde levels before the building retrofit exceeded reference exposure limits, but in the long term follow-up sampling, indoor formaldehyde decreased for the entire study population by a statistically significant margin. Indoor PM levels were dominated by fine particles and showed a statistically significant decrease in the long term follow-up sampling within certain resident subpopulations (i.e. residents who reported smoking and residents who had lived longer at the apartment complex). Additionally, indoor glyoxal and methylglyoxal exceeded outdoor concentrations, with methylglyoxal being more prevalent pre-retrofit than glyoxal, suggesting different chemical pathways are involved. Indoor concentrations reported are larger than previous studies. TSNAs, specifically N'-nitrosonornicotine (NNN), 4-(methyl-nitrosamino)-4-(3-pyridyl)-butanal (NNA) and 4-(methylnitrosoamino)-1-(3-pyridyl)-1-butanone (NNK) were evaluated post-retrofit at Sunnyslope Manor. Of the units tested, 86% of the smoking units and 46% of the non-smoking units had traces of at least one of the nitrosamines.
ContributorsFrey, Sarah E (Author) / Herckes, Pierre (Thesis advisor) / Fraser, Matthew P (Thesis advisor) / Destaillats, Hugo (Committee member) / Chizmeshya, Andrew (Committee member) / Arizona State University (Publisher)
Created2014
Description

This podcast explores the life of Cendraini, growing up in the developing country of Indonesia as well as her eventual immigration to America. It delves into prominent topics and history of Indonesia in regards to Cen's life. The podcast focuses on family, and how no matter the challenges that life

This podcast explores the life of Cendraini, growing up in the developing country of Indonesia as well as her eventual immigration to America. It delves into prominent topics and history of Indonesia in regards to Cen's life. The podcast focuses on family, and how no matter the challenges that life may bring, family will be there for you.

ContributorsGoldstein, Rachel (Author) / Schmidt, Peter (Thesis director) / Levin, Irina (Committee member) / School of International Letters and Cultures (Contributor) / College of Integrative Sciences and Arts (Contributor) / Barrett, The Honors College (Contributor)
Created2021-05
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Description

To investigate the impacts of an energy efficiency retrofit, indoor air quality and resident health were evaluated at a low‐income senior housing apartment complex in Phoenix, Arizona, before and after a green energy building renovation. Indoor and outdoor air quality sampling was carried out simultaneously with a questionnaire to characterize

To investigate the impacts of an energy efficiency retrofit, indoor air quality and resident health were evaluated at a low‐income senior housing apartment complex in Phoenix, Arizona, before and after a green energy building renovation. Indoor and outdoor air quality sampling was carried out simultaneously with a questionnaire to characterize personal habits and general health of residents. Measured indoor formaldehyde levels before the building retrofit routinely exceeded reference exposure limits, but in the long‐term follow‐up sampling, indoor formaldehyde decreased for the entire study population by a statistically significant margin. Indoor PM levels were dominated by fine particles and showed a statistically significant decrease in the long‐term follow‐up sampling within certain resident subpopulations (i.e. residents who report smoking and residents who had lived longer at the apartment complex).

ContributorsFrey, S.E. (Author) / Destaillats, H. (Author) / Cohn, S. (Author) / Ahrentzen, S. (Author) / Fraser, M.P. (Author)
Created2015
Description

The setting of the story is Phoenix, Arizona, a city that is made up of a plethora of natural wonders and a diverse, rich culture. However, our city also has a large population of undocumented citizens, gang violence, social segregation, drug trade activity, and political polarization. Recently, immigrants and minorities

The setting of the story is Phoenix, Arizona, a city that is made up of a plethora of natural wonders and a diverse, rich culture. However, our city also has a large population of undocumented citizens, gang violence, social segregation, drug trade activity, and political polarization. Recently, immigrants and minorities have been blamed for most of these problems. The origins of crime and the drug trade must be addressed, so that incoming immigrants have a fair opportunity at the American Dream. Americans must understand this, as we are a nation of immigrants, and knowing our history will ground us in our identity, as well as redirect us to our core values. I decided to write this rap musical for the people in the ghettoes all around the world, but especially for the people in my barrio. To know where we are headed, it helps to know where we come from.

ContributorsCarrillo Lopez, Jonathan (Author) / Fellars Watrous, Lisa (Thesis director) / Scott Lynch, Jacquelyn (Committee member) / Suk, Mina (Committee member) / Barrett, The Honors College (Contributor) / College of Integrative Sciences and Arts (Contributor)
Created2022-05
Description

Various forms of media have contributed to and shaped negative perception of immigrants and refugees in the United States. These perceptions may contribute to dangerous stereotyping, which may impact policy and the daily life of immigrants in the United States. Various factors must be considered when analyzing media, such as

Various forms of media have contributed to and shaped negative perception of immigrants and refugees in the United States. These perceptions may contribute to dangerous stereotyping, which may impact policy and the daily life of immigrants in the United States. Various factors must be considered when analyzing media, such as the type of media, language used, consumption, and the reaction of viewers. This thesis focuses on AZcentral, an Arizona news source, and how it portrays immigrants versus the commentary from an immigrant here in Arizona. First it is important to look at time periodization of the portrayal of immigrants and how it has changed through technology mediums. The information obtained by looking at these periods provide specific terms and content to look for when collecting sources for the podcast. In the podcast, AZcentral and the interviewee stories are compared to show how different or similar they may be. Through this, the audience should be making their own conclusions to show accurate AZcentral is portraying the immigrant experience.

ContributorsHoff, Jordyn (Author) / O’Flaherty, Katherine (Thesis director) / Schmidt, Peter (Committee member) / Barrett, The Honors College (Contributor) / School of Community Resources and Development (Contributor) / College of Integrative Sciences and Arts (Contributor)
Created2023-05
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Description
The population of undocumented immigrants includes over a million individuals known as “Dreamers,” who are for all intents and purposes naturalized Americans but are not counted among the American citizens. Dreamers have grown up believing in the American dream of one day being able to develop themselves into hard-working, accomplished

The population of undocumented immigrants includes over a million individuals known as “Dreamers,” who are for all intents and purposes naturalized Americans but are not counted among the American citizens. Dreamers have grown up believing in the American dream of one day being able to develop themselves into hard-working, accomplished and fully recognized Americans. Unfortunately, however, Dreamers are caught in a limbo of hope: their undocumented status forces them to work and live in the “underground,” or risk being deported to an unfamiliar country. After years of activism, the Dreamers found limited protection under an executive action introduced by former-President Barack Obama, known as the Deferred Action for Childhood Arrivals (DACA). DACA deferred deportation and gave the Dreamer the ability to legally work within the United States. Unfortunately, DACA’s provisional protection of hundreds of thousands of Dreamers also created gaps of its own: many other naturalized residents have been excluded and those covered by the DACA program remain limited in education and work. DACA’s protection is also limited in practice and time; it lasts for only two years before needing to be renewed and it can be revoked at any time. Only through legislation creating a “path to citizenship” and/or through formal naturalization can the Dreamers’ nightmare end and normalcy be instated. But precisely this idea of a “path to citizenship” has become the object of invective by anti-immigrant politics of Trump and the Republican Party. The Republican Party has worked to define itself as the party of White America by fomenting fear and anxiety over immigrant populations, whose mere existence or growth it presents as a threat. With continuing Republican government control, the Dreamer will not be able to legalize their status and will remain to be limited with their American dreams.
ContributorsMundo Sayas, Celso (Author) / Oberle, Eric (Thesis director) / Martin, Thomas (Committee member) / College of Integrative Sciences and Arts (Contributor) / Barrett, The Honors College (Contributor)
Created2019-05
Description
Particulate matter (PM) air pollution is a known factor to exacerbate cardiopulmonary diseases. We previously demonstrated that PM mediated endothelial injury and barrier disruption via modulation of the endothelial cytoskeleton and cell-cell junctions, while the effects of PM exposure on cell-cell communication and gap junction activity are still unknown. This

Particulate matter (PM) air pollution is a known factor to exacerbate cardiopulmonary diseases. We previously demonstrated that PM mediated endothelial injury and barrier disruption via modulation of the endothelial cytoskeleton and cell-cell junctions, while the effects of PM exposure on cell-cell communication and gap junction activity are still unknown. This study is focused on the characterization of PM-mediated endothelial dysfunction via Connexin 43 (Cx43), the most abundant Gap junction protein expressed in lung endothelial cells (ECs). PM exposure induces a time-dependent elevation of Cx43 in human lung ECs, at both mRNA and protein levels. N-acetyl-cysteine (NAC), an ROS scavenger, significantly suppresses PM-induced Cx43 expression. Membrane-associated and ER/ Golgi apparatus Cx43 protein are elevated upon PM challenge. In addition, PM also activates the gap junction activity, indicated by the transportation of green fluorescence dye between two adjacent ECs. Moreover, GAP27, a selective Cx43 channel inhibitor, attenuates PM-reduced human lung EC barrier disruption, measured by trans-endothelial electrical resistance (TER) with an electric cell-substrate impedance sensing system. Moreover, knock-down the expression of Cx43 by its selective siRNA alleviates PM-induced MLC phosphorylation. These results highly suggest that Cx43 plays a key role in PM-mediated endothelial barrier disruption and signal transduction. Cx43 may deputy as a therapeutic target in PM-mediated cardiopulmonary disorders.
ContributorsKheshtchin-Kamel, Nabia (Author) / Welcome, Natalie (Thesis director) / Wang, Ting (Committee member) / College of Integrative Sciences and Arts (Contributor) / Barrett, The Honors College (Contributor)
Created2020-12