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2015

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A Mathematical Model Of The Effect Of Aspirin On Blood Clotting, Breeana J. Johng Jan 2015

A Mathematical Model Of The Effect Of Aspirin On Blood Clotting, Breeana J. Johng

Scripps Senior Theses

In this paper, we provide a mathematical model of the effect of aspirin on blood clotting. The model tracks the enzyme prostaglandin H synthase and an important blood clotting factor, thromboxane A2, in the form of thromboxane B2. Through model analysis, we determine conditions under which the reactions of prostaglandin H synthase are self-sustaining. Lastly, through numerical simulations, we demonstrate that the model accurately captures the steady-state chemical concentrations of interest in blood, both with and without aspirin treatment.


Depressive Symptoms, Self-Beliefs And Academic Performance Among Brazilian Children And Adolescents, Helga Loos-Sant’Ana, Alessandra D. Bauer Jan 2015

Depressive Symptoms, Self-Beliefs And Academic Performance Among Brazilian Children And Adolescents, Helga Loos-Sant’Ana, Alessandra D. Bauer

Journal of Latino/Latin American Studies (JOLLAS)

This study investigated the rate of depressive symptoms among students of a public school in Curitiba, Brazil, as well as data concerning their beliefs related to self and school grades, aiming to outline correlations between academic performance, self-beliefs, and possible indicators of lowered mood. Theoretical foundation has been described as the interaction between cognitive and affective aspects of human development, such as self-regulation and self-beliefs. Data collection was done by means of standardized scales and school supplies, such as annual grades in Portuguese and Mathematics. Participants were 322 students from 5th to 8th grades of elementary school (10-15 years old), …


Suicidal Behavior In Adolescents From Different Contexts In South Of Brazil, Débora Dalbosco Dell’Aglio 1, Luiza De Lima Braga Jan 2015

Suicidal Behavior In Adolescents From Different Contexts In South Of Brazil, Débora Dalbosco Dell’Aglio 1, Luiza De Lima Braga

Journal of Latino/Latin American Studies (JOLLAS)

This study investigated suicidal behavior in 946 adolescents, aged between 12 and 19 years old, from different contexts: adolescents who lived with their families ( n = 691), young offenders who were deprived of freedom (n = 142), and adolescents living in shelters (out-of-home care group; n = 113), in Porto Alegre, Brazil. The Brazilian Youth Questionnaire was used to evaluate risk and protection factors as well as ideation and attempts of suicide. The results indicated that the out-of-home care group had greater frequency of thinking about and attempting to commit suicide. A logistical regression analysis was performed and the …


Grassland Resources And Protections In The Yellow River Source Zone On The Qinghai-Tibet Plateau, Xilai Li, Gary J. Brierley, Youming Qiao, George L. W. Perry, Jay King Gao Jan 2015

Grassland Resources And Protections In The Yellow River Source Zone On The Qinghai-Tibet Plateau, Xilai Li, Gary J. Brierley, Youming Qiao, George L. W. Perry, Jay King Gao

IGC Proceedings (1977-2023)

This paper summarises resources and protections of the Yellow River Source Zone on the Qinghai-Tibet Plateau. A concerted effort has been made to address concerns for overgrazing on the alpine steppe and alpine meadow landscapes in the source zone of the Yellow River. An assessment of the impacts of overgrazing includes consideration of the role of small mammals (on the one hand they are considered as a critical ecosystem engineer, on the other they are perceived as a major threatening pest). Analyzed in this paper are management options in the restoration of degraded grasslands.


Importance Of Livestock Production From Grasslands For National And Local Food And Nutritional Security In Developing Countries, Iain A. Wright Jan 2015

Importance Of Livestock Production From Grasslands For National And Local Food And Nutritional Security In Developing Countries, Iain A. Wright

IGC Proceedings (1977-2023)

Grazing lands cover more than a quarter of the world’s land surface, often on land that is unsuitable for other forms of use. Despite the perception that productivity is inherently low, the contribution of grasslands in food security in developing countries is significant. However the challenges of spatial and temporal variability of primary productivity need to be managed and mobility of livestock is key to this. Appropriate land management and governance arrangements are essential for facilitating this mobility and for creating the circumstances in which technical options for reducing variability and risk in livestock keeping can be deployed and to …


Selection Of Reference Genes For Rt-Qpcr Analysis In The Monarch Butterfly, Danaus Plexippus (L.), A Migrating Bio-Indicator, Huipeng Pan, Xiaowei Yang, Keith Bidne, Richard L. Hellmich, Blair D. Siegfried, Xuguo Zhou Jan 2015

Selection Of Reference Genes For Rt-Qpcr Analysis In The Monarch Butterfly, Danaus Plexippus (L.), A Migrating Bio-Indicator, Huipeng Pan, Xiaowei Yang, Keith Bidne, Richard L. Hellmich, Blair D. Siegfried, Xuguo Zhou

Department of Entomology: Faculty Publications

Reverse transcriptase-quantitative polymerase chain reaction (RT-qPCR) is a powerful technique to quantify gene expression. To facilitate gene expression study and obtain accurate results, normalization relative to stably expressed reference genes is crucial. The monarch butterfly, Danaus plexippus (L.), is one of the most recognized insect species for its spectacular annual migration across North America. Besides its great voyages, D. plexippus has drawn attention to its role as a bio-indicator, ranging from genetically modified organisms (GMOs) to natural ecosystems. In this study, nine reference genes from D. plexippus genome were selected as the candidate reference genes. The expression profiles of these …


Early Detection And Mitigation Of Resistance To Bt Maize By Western Corn Rootworm (Coleoptera: Chrysomelidae), David A. Andow, Steven G. Pueppke, Arthur W. Schaafsma, Aaron J. Gassmann, Thomas W. Sappington, Lance Meinke, Paul D. Mitchell, Terrance M. Hurley, Richard L. Hellmich, R. Pat Porter Jan 2015

Early Detection And Mitigation Of Resistance To Bt Maize By Western Corn Rootworm (Coleoptera: Chrysomelidae), David A. Andow, Steven G. Pueppke, Arthur W. Schaafsma, Aaron J. Gassmann, Thomas W. Sappington, Lance Meinke, Paul D. Mitchell, Terrance M. Hurley, Richard L. Hellmich, R. Pat Porter

Department of Entomology: Faculty Publications

Transgenic Bt maize that produces less than a high-dose has been widely adopted and presents considerable insect resistance management (IRM) challenges.Western corn rootworm, Diabrotica virgifera virgifera LeConte, has rapidly evolved resistance to Bt maize in the field, leading to local loss of efficacy for some corn rootworm Bt maize events. Documenting and responding to this resistance has been complicated by a lack of rapid diagnostic bioassays and by regulatory triggers that hinder timely and effective management responses. These failures are of great concern to the scientific and agricultural community. Specific challenges posed by western corn rootworm resistance to Bt maize, …


A Monographic Revision Of The Genus Hoplopyga Thomson, 1880 (Coleoptera: Scarabaeidae: Cetoniinae: Gymnetini), Jennifer M. Shaughney, Brett C. Ratcliffe Jan 2015

A Monographic Revision Of The Genus Hoplopyga Thomson, 1880 (Coleoptera: Scarabaeidae: Cetoniinae: Gymnetini), Jennifer M. Shaughney, Brett C. Ratcliffe

Department of Entomology: Faculty Publications

A comprehensive revision of the genus Hoplopyga Thomson, 1880 is presented. Eighteen species are redescribed, and two new species are described. A key for identification, distribution maps, and images of the 20 species are provided. Hoplopyga ruteri Antoine is removed from the genus and placed in junior synonymy with Macrocranius similis Schürhoff. Lectotypes are designated for Hoplopyga brasiliensis (Gory and Percheron), Hoplopyga corumbana Schürhoff, and Hoplopyga multipunctata (Gory and Percheron). The following new synonymies are established: Hoplopyga lucidiventris (Thomson) is Hoplopyga foeda (Schaum); Hoplopyga spurca (Janson) is Hoplopyga liturata (Olivier); Hoplopyga monacha (Gory and Percheron) and Hoplopyga rubida (Gory and …


Short-Horned Grasshopper Subfamilies Feed At Different Rates On Big Bluestem And Switchgrass Cultivars, Muhammad Ullah, Fatima Mustafa, William W. Hoback, Mathew L. Brust, Kerri M. Farnsworth-Hoback, John E. Foster Jan 2015

Short-Horned Grasshopper Subfamilies Feed At Different Rates On Big Bluestem And Switchgrass Cultivars, Muhammad Ullah, Fatima Mustafa, William W. Hoback, Mathew L. Brust, Kerri M. Farnsworth-Hoback, John E. Foster

Department of Entomology: Faculty Publications

Grasshopper species belonging to subfamilies Melanoplinae, Gomphocerinae and Oedipodinae were tested for their feeding rate on three types of grass. All grasshopper species were offered Shawnee and Kanlow cultivars of switchgrass, Panicum virgatum L. and big bluestem, Andropogon gerardii Vitman. The grasshoppers, Melanoplus femurrubrum and Melanoplus differentialis were also tested for their feeding on turgid or wilted leaves of the Shawnee cultivar of switchgrass. We found that M. differentialis consumed more switchgrass compared to big bluestem while M. femurrubrum and Arphia xanthoptera consumed the most Shawnee switchgrass. The M. differentialis consumed more turgid grass compared to wilted switchgrass. The feeding …


Genome-Wide Transcript Profiling Reveals Novel Breast Cancer-Associated Intronic Sense Rnas, Sang Woo Kim, Elane Fishilevich, Gustavo Arango-Argoty, Yuefeng Lin, Guodong Liu, Zhihua Li, A. Paula Monaghan, Mark Nichols, Bino John Jan 2015

Genome-Wide Transcript Profiling Reveals Novel Breast Cancer-Associated Intronic Sense Rnas, Sang Woo Kim, Elane Fishilevich, Gustavo Arango-Argoty, Yuefeng Lin, Guodong Liu, Zhihua Li, A. Paula Monaghan, Mark Nichols, Bino John

Department of Entomology: Faculty Publications

Non-coding RNAs (ncRNAs) play major roles in development and cancer progression. To identify novel ncRNAs that may identify key pathways in breast cancer development, we performed high-throughput transcript profiling of tumor and normal matched-pair tissue samples. Initial transcriptome profiling using high-density genome-wide tiling arrays revealed changes in over 200 novel candidate genomic regions that map to intronic regions. Sixteen genomic loci were identified that map to the long introns of five key protein-coding genes, CRIM1, EPAS1, ZEB2, RBMS1, and RFX2. Consistent with the known role of the tumor suppressor ZEB2 in the cancer-associated epithelial to mesenchymal transition (EMT), in situ …


Genetic Variability Of The Stable Fly Assessed On A Global Scale Using Amplified Fragment Length Polymorphism, Kathleen M. Kneeland, Steven R. Skoda, John E. Foster Jan 2015

Genetic Variability Of The Stable Fly Assessed On A Global Scale Using Amplified Fragment Length Polymorphism, Kathleen M. Kneeland, Steven R. Skoda, John E. Foster

Department of Entomology: Faculty Publications

The stable fly, Stomoxys calcitrans (L.) (Diptera: Muscidae), is a blood-feeding, economically important pest of animals and humans worldwide. Improved management strategies are essential and their development would benefit from studies on genetic diversity of stable flies. Especially if done on a global scale, such research could generate information necessary for the development and application of more efficient control methods. Herein we report on a genetic study of stable flies using amplified fragment length polymorphism, with samples of 10–40 individuals acquired from a total of 25 locations in the Nearctic, Neotropic, Palearctic, Afrotropic and Australasian biogeographical regions. We hypothesized that …


Moving Towards A Greener Future: An Investigation Of How Transit-Oriented Development Has The Potential To Redefine Cities Around Sustainability, Margaret E. Smith Jan 2015

Moving Towards A Greener Future: An Investigation Of How Transit-Oriented Development Has The Potential To Redefine Cities Around Sustainability, Margaret E. Smith

Scripps Senior Theses

How does transportation shape the cities we live in? This paper takes a close look at the practice of transit-oriented development to assess its implications for the future of urban areas. Through the design of a hypothetical light rail station in the suburb of Redmond, WA, this paper demonstrates how targeting sustainable development around transit has the potential to influence entire towns to “go green,” and proposes that, moving forward, cities be designed to maximize mobility, livability, and sustainability.


Variables In Vbac Success: A Retrospective Review Of Trial Of Labor After Cesarean (Tolac) And Labor Support, Jenna A. Koblentz Jan 2015

Variables In Vbac Success: A Retrospective Review Of Trial Of Labor After Cesarean (Tolac) And Labor Support, Jenna A. Koblentz

Scripps Senior Theses

For most of the 20th century, the saying “once a cesarean, always a cesarean” was a rule in the United States. Today, the National Institutes of Health (NIH) opposes the dictum and urges women to consider trial of labor after cesarean (TOLAC). However, the factors that lead to a successful outcome remain unclear, as research continues to be conducted in hopes of creating a predictive model for vaginal birth after cesarean (VBAC) success.

The NIH’s request for more research in this area of obstetrics led to this retrospective cohort study of all TOLACs at Marin General Hospital (MGH) from …


Interior, Concept And Clay: A Study Of Self And Space, Lily Alan Jan 2015

Interior, Concept And Clay: A Study Of Self And Space, Lily Alan

Scripps Senior Theses

This paper considers theories of perception, interaction, and being as a historical and philosophical foundation for themes of space and the self within art; namely, my senior installation, Interior, Concept & Clay. Beginning with a biological discussion of the eye’s perception, the paper moves on to Kant’s theories of Differentiation of Direction in Space. From there, I discuss Gaston Bachelard’s text The Poetics of Space as an investigation of personal awareness within domestic interiors. Finally, I study the vast and varied philosophical notions of selfhood and no-selfhood with the help of John Canfield’s The Looking-Glass Self: An Examination of …


Being "Like A Girl" In The Twenty-First Century: Branding And Identity Through Cultural Conversation, Jane A. Condon Jan 2015

Being "Like A Girl" In The Twenty-First Century: Branding And Identity Through Cultural Conversation, Jane A. Condon

Scripps Senior Theses

Branding exists at the intersection of culture and economics and is an increasingly important tool in distinguishing commodities. Over the past few years, more and more companies have started to use discourses of female empowerment, celebrating femininity, womanhood, and all things “girly” to sell their products - spiking sales, racking up millions of online views, and starting important conversations in the process. Procter & Gamble's “Like A Girl” campaign for Always creates a productive tension and way of thinking about both brand and buyer. The “Like A Girl” campaign is unique because it presents a feminist message to and about …


An Examination Of El Niño's And Agricultural Runoff's Effect On Harmful Algal Blooms And California Sea Lion (Zalophus Californianus) Health In Monterey Bay, Nadine Lafeber Jan 2015

An Examination Of El Niño's And Agricultural Runoff's Effect On Harmful Algal Blooms And California Sea Lion (Zalophus Californianus) Health In Monterey Bay, Nadine Lafeber

Scripps Senior Theses

An increase in marine mammal stranding and die-off events has been observed along the California coast. The exact cause to explain for these recent events is unknown, but El Niño and harmful algal blooms are established sources for temporary decreases in marine mammal health. To determine whether El Niño could be causing and amplifying harmful algal blooms, particularly in Monterey Bay where they occur frequently, data was analyzed from the Marine Mammal Center in Sausalito, California. Data analysis focused on California sea lions (Zalophus californianus), because they have the largest data set and are directly affected by harmful …


Queer Content In Science Fiction Allegory And Analogue: Is It In Disguise?, Anna C. Marburger Jan 2015

Queer Content In Science Fiction Allegory And Analogue: Is It In Disguise?, Anna C. Marburger

Scripps Senior Theses

This thesis performs a textual analysis of two for-profit science fiction texts in which the authors implanted queer content: Bryan Singer's X-Men films and James Robert's Transformers comic series, "More Than Meets the Eye". The argument incorporates queer (referring to attraction and gender variance) media representation and western identity politics lenses into its critique.

By interrogating reality through the masquerade of an impossible universe, science fiction affects how subversive a text can be. When authors designate the natural and the unnatural in a strange universe, they designate what and who belongs in our society. Whatever they imagine has an effect …


The Impulse To Punish: A Critique Of Retributive Justice, Devika Agrawal Jan 2015

The Impulse To Punish: A Critique Of Retributive Justice, Devika Agrawal

Scripps Senior Theses

This thesis explores the strength of the two major theories of punishment, consequentialism and retributivism. It also explores the two most critiqued systems of punishment in the world: The U.S and Norway. By presenting the idea that retributivism is the only plausible theory that can morally justify the U.S. penal practises, I argue against the theory by incorporating various objections delivered by Antony Duff, Michael Zimmerman, and Jeffrie Murphy. I then explore the question of what could possibly ground the Norwegian justice system, for the answer to this is crucial, if we hope to demand prison reform and tailor our …


Manufacturing Doubt About Endocrine Disrupter Science - A Rebuttal Of Industry-Sponsored Critical Comments On The Unep/Who Report "State Of The Science Of Endocrine Disrupting Chemicals 2012", Åke Bergman, Georg Becher, Bruce Blumberg, Poul Bjerregaard, Riana Bornman, Ingvar Brandt, Stephanie Casey, Heloise Frouin, Linda Giudice, Jerrold J. Heindel, Taisen Iguchi, Susan Jobling, Karen A. Kidd, Andreas Kortenkamp, P. Monica Lind, Derek Muir, Roseline Ochieng, Erik Ropstad, Peter S. Ross, Niels Erik Skakkebaek, Jorma Toppari, Laura N. Vandenberg, Tracey J. Woodruff, R. Thomas Zoeller Jan 2015

Manufacturing Doubt About Endocrine Disrupter Science - A Rebuttal Of Industry-Sponsored Critical Comments On The Unep/Who Report "State Of The Science Of Endocrine Disrupting Chemicals 2012", Åke Bergman, Georg Becher, Bruce Blumberg, Poul Bjerregaard, Riana Bornman, Ingvar Brandt, Stephanie Casey, Heloise Frouin, Linda Giudice, Jerrold J. Heindel, Taisen Iguchi, Susan Jobling, Karen A. Kidd, Andreas Kortenkamp, P. Monica Lind, Derek Muir, Roseline Ochieng, Erik Ropstad, Peter S. Ross, Niels Erik Skakkebaek, Jorma Toppari, Laura N. Vandenberg, Tracey J. Woodruff, R. Thomas Zoeller

Paediatrics and Child Health, East Africa

We present a detailed response to the critique of “State of the Science of Endocrine Disrupting Chemicals 2012” UNEP/WHO, 2013) by financial stakeholders, authored by Lamb et al. (2014). Lamb et al.'s claim that UNEP/WHO (2013) does not provide a balanced perspective on endocrine disruption is based on incomplete and misleading quoting of the report through omission of qualifying statements and inaccurate description of study objectives, results and conclusions. Lamb et al. define extremely narrow standards for synthesizing evidence which are then used to dismiss the UNEP/WHO 2013 report as flawed. We show that Lamb et al. misuse conceptual frameworks …


A Protocol To Preserve The Integrity Of Stable Fly (Diptera: Muscidae) Dna For Long Distance Shipment, K. M. Kneeland, Steven R. Skoda, Elizabeth A. Claassen, John E. Foster Jan 2015

A Protocol To Preserve The Integrity Of Stable Fly (Diptera: Muscidae) Dna For Long Distance Shipment, K. M. Kneeland, Steven R. Skoda, Elizabeth A. Claassen, John E. Foster

Department of Entomology: Faculty Publications

Population genetic studies on a global scale may be hampered by the ability to acquire quality samples from distant countries. Preservation methods must be adequate to prevent samples from decay during shipping, so an adequate quantity of quality DNA can be extracted for analysis, and materials used must not be prohibited by the pertinent Postal Service. We tested a shipping protocol for stable flies which preserves the samples and adheres to Postal regulations. Samples were soaked in 95% ethanol for 6, 12, 24 and 48 hours; the ethanol was then poured off. Samples remained 'dry' for 2, 4, 6 and …


Engaging Clients Who Use Substances, Registered Nurses' Association Of Ontario Jan 2015

Engaging Clients Who Use Substances, Registered Nurses' Association Of Ontario

General Submissions: Community and Population-based Materials

This Guideline provides evidence-based recommendations for nurses and other members of the interprofessional team across all care settings who are assessing and providing interventions to individuals who use substances and may be at risk for or experiencing a substance use disorder.


Length–Weight And Length–Length Relationships Of The Hogfish, Lachnolaimus Maximus, Off The Northern Coast Of The Yucatan Peninsula, Mexico, Juan E.B. Pérez-Chacón, Alfonso Aguilar-Perera Jan 2015

Length–Weight And Length–Length Relationships Of The Hogfish, Lachnolaimus Maximus, Off The Northern Coast Of The Yucatan Peninsula, Mexico, Juan E.B. Pérez-Chacón, Alfonso Aguilar-Perera

Gulf and Caribbean Research

Described are the length-weight (LWR) and length-length (LLR) relationships of the Hogfish, Lachnolaimus maximus, off the northern Yucatan Peninsula, Mexico. Fish specimens collected (N = 292) with speargun from April to September each year from 2011 through 2013, ranged in size from 16.6-36.5 cm FL and 94-842 g in weight. There were significant differences in hogfish fork length between years (F2,291 = 11.28, p < 0.05), with larger individuals found in 2012. The LWRs calculated were highly significant (p < 0.05, r2 = 0.95 - 0.97; pooled data r2 = 0.95) and significant differences between the slopes of the LWRs (F5,291 = 245.94, p < 0.05) between the three years were detected. Exponent b in the LWRs (2.33 -2.70; pooled data 2.58) …


Hood's Theory Of Aging, Drew Michael Hood Jan 2015

Hood's Theory Of Aging, Drew Michael Hood

All Graduate Theses, Dissertations, and Other Capstone Projects

This thesis proposes that the theory of gerotranscendence can be improved by emphasizing life course events that influence the gerotranscendence process. Further, this paper proposes that teaching gerotranscendence to long-term care staff and residents with Hood's theory of aging and with a departmental framework will yield better results in staff following gerotranscendence best practices and thus result in increased resident development towards gerotranscendence.


The Educational Potential Of Alcohol-Related Flushing Among Chinese Young People, Ian M. Newman, Duane F. Shell, Zhaoqing Huang, Ling Qian Jan 2015

The Educational Potential Of Alcohol-Related Flushing Among Chinese Young People, Ian M. Newman, Duane F. Shell, Zhaoqing Huang, Ling Qian

Department of Educational Psychology: Faculty Publications

Aim: This paper describes Chinese university students’ understanding of the meaning of the alcohol-related flushing response and how they reacted to their own and someone else’s flushing in a group drinking situation. Method: The researcher surveyed 530 Chinese university students about their understanding of flushing and their perception of how people respond to a person who visibly flushes while drinking alcohol. Findings: Most students did not know about the physiological cause of flushing. There were significant gender differences in both reactions to and perception of responses to a person who flushes. There was no direct relationship between flushing and drinking …


W403-005e-01 - Office Of The President: Charles Shepard Davis: Subject File, Office Of The President, Charles Shepard Davis Jan 2015

W403-005e-01 - Office Of The President: Charles Shepard Davis: Subject File, Office Of The President, Charles Shepard Davis

University Archives Finding Aids

No abstract provided.


W404-001a-02 - Office Of The Vice President For Academic Affairs: Academic Dean: Subject File, Office Of The Vice President For Academic Affairs Jan 2015

W404-001a-02 - Office Of The Vice President For Academic Affairs: Academic Dean: Subject File, Office Of The Vice President For Academic Affairs

University Archives Finding Aids

No abstract provided.


Bgsu Graduate College 2015-2016 Catalog, Bowling Green State University Jan 2015

Bgsu Graduate College 2015-2016 Catalog, Bowling Green State University

Course Catalogs

Bowling Green State University graduate catalog for 2015-2016.


Biodegradable Poly(Ester Urea's) Scaffold Sponges Containing Platelet-Rich Plasma For Targeted Tendon-Bone Fixation, Alex B. Ellenberger Mr. Jan 2015

Biodegradable Poly(Ester Urea's) Scaffold Sponges Containing Platelet-Rich Plasma For Targeted Tendon-Bone Fixation, Alex B. Ellenberger Mr.

Williams Honors College, Honors Research Projects

In this report the synthesis and characterization of L-valine and L-isoleucine poly(ester ureas) (PEUs) for future use in the synthesis of biodegradable PEUs sponges will be discussed. The method of monomer and polymer synthesis will be explained along with the characterization of the monomer and polymer products. This characterization will be done by the use of Nuclear Magnetic Resonance (NMR) and Size Exclusion Chromatography (SEC). NMR is a quick and convenient method for determining structure and purity of the monomer and polymer products. SEC gives the number average molecular weight, which is the statistical average molecular weight of all the …


An Examination Of Mathematical Models For Infectious Disease, David M. Jenkins Jan 2015

An Examination Of Mathematical Models For Infectious Disease, David M. Jenkins

Williams Honors College, Honors Research Projects

Starting with the original 1926 formulation of the SIR (Susceptible-Infected-Removed) model for infectious diseases, mathematical epidemiology continued to grow. Many extensions such as the SEIR, MSIR, and MSEIR models were developed using SIR as a basis to model diseases in a variety of circumstances. By taking the original SIR model, and reducing the system of three first-order equations to a single first-order equation, analysis shows that the model predicts two possible situations. This analysis is followed by discussion of an alternative use of the SIR model which allows for one to track the amount of sustainable genetic variation in a …


Sketching The Stories Of The Ausbund, Carita B. Keim Ms. Jan 2015

Sketching The Stories Of The Ausbund, Carita B. Keim Ms.

Williams Honors College, Honors Research Projects

This project investigates the ballads compiled into the Ausbund, which literally means “a true selection or sampling. This hymnbook is the oldest one continuously in use in the world. Although the hymnbook was compiled by Amish and Mennonite ancestors, only the Amish use it today. Through creative non-fiction, this series of essays sketches ways in which the hymnbook continues to influence the Amish and Mennonite community. It attempts to prove that the Ausbund is a unique piece of art that has literary, cultural, and spiritual value. It had value in the sixteenth century, when most of the hymns were penned, …