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<title>DigitalCommons@Hamline</title>
<copyright>Copyright (c) 2017 Hamline University All rights reserved.</copyright>
<link>http://digitalcommons.hamline.edu</link>
<description>Recent documents in DigitalCommons@Hamline</description>
<language>en-us</language>
<lastBuildDate>Sun, 09 Jul 2017 01:43:50 PDT</lastBuildDate>
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<title>Darwinian Evolutionary Theory and Constructions of Race in Nazi Germany: A Literary and Cultural Analysis of Darwin’s Works and Nazi Rhetoric</title>
<link>http://digitalcommons.hamline.edu/dhp/67</link>
<guid isPermaLink="true">http://digitalcommons.hamline.edu/dhp/67</guid>
<pubDate>Mon, 15 May 2017 16:12:43 PDT</pubDate>
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	<p>First published in 1856, Charles Darwin’s <em>Origin of Species </em>is one of the most impactful scientific writings in history. While the influence of Darwinian evolutionary theory on historical events has been widely studied, no single work of scholarship has previously combined close reading of <em>Origin’s</em> representations of “race” with analysis of how those constructions of “racial” difference are (mis)translated across the cultural discourses of the eugenics movement and Nazi Germany. Through comparative cultural studies and close literary analysis of Hitler’s <em>Mein Kampf</em> and Darwin’s works—including <em>Origin, Descent of Man, </em>and <em>Voyage of the Beagle</em>, this paper examines how evolutionary theory and Darwin’s work have been (mis)applied to and used to defend the differentiation of groups and the human social construct of race. The influence of Darwin’s evolutionary theory on eugenic policies in Nazi Germany is evident, yet close examination of <em>Origin </em>shows that Darwin’s theories were often inaccurately applied. While Darwin does point to the elimination of inferior species in nature over vast periods of time, the Nazis pulled this idea out of the broader context of Darwinian theory, ignoring aspects that complicate and contradict their invocation of evolutionary discourse. Not only does Darwin outline the importance of diversity within species through his theory of divergence of character, but he also credits nature as a superior mechanism of selection, particularly when compared to human attempts to cause evolutionary change. The murder of Jews and other “undesirable” groups in Nazi Germany is one of the most well-known instances of genocide in history; it provides one example of the ways scientific ideas have historically been skewed and used to promote a social agenda. By acknowledging the potential for misapplication of scientific work, scientists and all people should be reminded to examine closely the nature of justifications for social and political policies.</p>

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<author>Emily M. Wollmuth</author>


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<title>Entangled: Romantic Love and Philosophy</title>
<link>http://digitalcommons.hamline.edu/dhp/66</link>
<guid isPermaLink="true">http://digitalcommons.hamline.edu/dhp/66</guid>
<pubDate>Mon, 15 May 2017 12:52:45 PDT</pubDate>
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	<p>In order to do philosophy, one must understand what it is. Often one has to develop this understanding on their own, since the philosophical canon has such a range of attitudes, styles, and objects. In this paper, philosophy is a dialogue, a conversation spanning space and time, as well as the inside of one's own head. Philosophy is not something that can provide an absolute truth about reality; rather, philosophy is a means of describing how the philosopher thinks reality ought to be.</p>
<p>To exemplify this understanding of philosophy, this paper is written as fiction. It follows two people as they try to determine what romantic love is, and why it was a neglected or minimized philosophical object for centuries. As the characters converse, they develop the concept of philosophy described above, discuss the place of women, passion, and reason in philosophy, and determine – to the extent they are able – that romantic love is something people do, rather than a feeling or state of being, and is based on an unjustifiable attraction to another person and Aristotle's concept of<em> </em>friendship, specifically <em>philia</em>.</p>
<p>The idea of romantic love being a practice, rather than an emotion or a state of being, seems to be uncommon in philosophical work on the topic. It seems just as rare, especially historically, to think of romantic love as being between equals, who mutually care for each other and commit equally to the relationship. This paper aims to point out the holes I have found in my reading on romantic love in philosophy and to provide new perspectives on romantic love in the hopes of prompting further and broader discussion on the topic.</p>

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<author>Sydney E. Thorp</author>


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<title>All for the Kids: A Case for Ratification of the U.N. Convention on the Rights of the Child</title>
<link>http://digitalcommons.hamline.edu/dhp/65</link>
<guid isPermaLink="true">http://digitalcommons.hamline.edu/dhp/65</guid>
<pubDate>Thu, 11 May 2017 15:21:26 PDT</pubDate>
<description>
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	<p>The United Nations Convention on the Rights of the Child (CRC) is the most rapidly signed and ratified human rights instrument in UN history, yet the United States is the only UN member not to ratify the CRC. However, if the United States wants to maintain its status as a global human rights leader, ratifying the CRC would be a step in the right direction.</p>
<p>There are several arguments against U.S. ratification, such as a concern that the CRC could undermine parental authority, more specific concerns relating to issues such as children’s education and access to abortion, and a concern that the CRC would interfere with U.S. sovereignty. Close examination of various CRC articles handily dispels most of these worries, however. There are areas in which the U.S. could improve its policies related to children, but these improvements would not be necessary prior to CRC ratification. Instead, policy improvement should be an ongoing process after ratification. Finally, if the U.S. were to ratify the CRC, it might encourage State Parties who have already ratified to re-examine their own efforts toward making the world a better place for children. It is time for the U.S. to put aside its pride and commit to building a brighter future for the youngest citizens of the world by ratifying the Convention on the Rights of the Child.</p>

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<author>Jessica L. Hirte</author>


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<title>The Katyn Massacre: Cover-up, Suppression, and the Politics of War, From an American Perspective</title>
<link>http://digitalcommons.hamline.edu/dhp/64</link>
<guid isPermaLink="true">http://digitalcommons.hamline.edu/dhp/64</guid>
<pubDate>Mon, 08 May 2017 18:12:50 PDT</pubDate>
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	<p>Abstract</p>
<p>In the spring of 1940, roughly twenty two thousand Polish officers, the cream of Poland’s intelligentsia, were executed in Katyn forest. While the Soviet Union blamed Nazi Germany for the massacre, in the past seventy years all gathered evidence including documents from the Soviet archives, point out to the Soviet Union as responsible for the killings. However, the British and American governments, who had knowledge of the Katyn Massacre, were engaged in a suppression of the truth, during the war and into the early years of the Cold War, even while they confronted the Soviet Union over Poland’s independence. The question is why? By examining the memoirs of the main officials in Truman administration who were involved in the cover-up—Dean Acheson, George Kennan, William Averell Harriman and Truman himself—as well as studying the recent declassified 1951-1952 Congressional Report on Katyn Massacre, which shows that several U.S. governmental agencies, particularly the State Department, were directly responsible for suppressing information about this event, this study offers explanations for the United States’ decision to withhold that evidence from the American public.</p>

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<author>Joe Grundhoefer</author>


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<title>The “Trump” Card: Donald Trump’s Rhetoric on Immigration and Refugee Issues  -- Perspectives from Mexico, Pakistan and Spain</title>
<link>http://digitalcommons.hamline.edu/dhp/63</link>
<guid isPermaLink="true">http://digitalcommons.hamline.edu/dhp/63</guid>
<pubDate>Mon, 08 May 2017 18:12:46 PDT</pubDate>
<description>
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	<p>This research paper asks the question, <em>how are global media sources covering Donald Trump’s position on the issues of immigration and refugees?</em> <em>How might reader’s perceptions of Donald Trump be impacted by this coverage?  </em>By conducting a comparative, qualitative framing analysis of three international newspapers,<em> El Universal</em>, <em>El País,</em> and <em>Pakistan Today,</em> this project attempts to better understand how popular Mexican, Spanish and Pakistani news sources are framing Trump’s campaign in regards to immigration and refugee issues. Articles from the 18 months of Donald Trump’s presidential campaign were analyzed for content as well as common frames. Overall trends from all three sources show that the majority of articles focused on the topic of immigration broadly, while sometimes adding in content specifically regarding refugees. The focus on immigration broadly supports the agenda setting theory. In addition, the news sources analyzed most frequently framed Donald Trump’s rhetoric on immigration negatively. Finally, I argue that the framing of Trump’s immigration rhetoric in foreign news sources may give insights into potential international public perceptions of Donald Trump.</p>

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<author>Sarah A. Campbell</author>


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<title>Monolingualism in a Multicultural Nation: The Impact of Nationalism and Color-blind Racial Ideologies on Support for English-Only Policies</title>
<link>http://digitalcommons.hamline.edu/dhp/62</link>
<guid isPermaLink="true">http://digitalcommons.hamline.edu/dhp/62</guid>
<pubDate>Fri, 05 May 2017 12:06:53 PDT</pubDate>
<description>
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	<p>The United States is one of few nations yet to name an official language. However, the desire to make English the official language of the US has been prevalent throughout history and remains strong to this day. The purpose of this study is to examine the factors that are related to greater support for English-Only policy. Previous studies have found that ideas of nationalism, specifically holding ethno-cultural criteria of national membership, is correlated with greater support for English-Only policy (Citrin et al, 1990; Frendreis and Tatalovich, 1997; Garcia and Bass, 2007; Schildkraut, 2003). This study will retest some of these previous studies, while also enhancing them through the use of various nationally representative datasets and the incorporation of more measures of criteria of national membership. Additionally, this study seeks to fill a gap in the existing literature on the connections between English-Only support and color-blind racial ideologies. Frendreis and Tatalovich (1997) found that explicit intergroup racial hostility was not the basis for English-Only support. However, no studies have been done on how more covert forms of racism, arguably the more common form in today’s society, are connected with English-Only support. The primary relationships described above will be analyzed while controlling for multiple sociodemographic variables. Based on the existing research, it is expected that as general feelings of nationalism increase, so will support for English-Only policy. Furthermore, those who hold an ethnocultural view of nationalism will be more likely to support English-Only policy than those who don’t. Finally, endorsement of color-blind racial ideologies will be correlated with increased support for English-Only policy. These hypotheses will be tested using regression analysis on two secondary datasets as well as originally collected data. Findings suggest that endorsement of ethno-cultural criteria of national membership and of color-blind racial ideologies is related to increased support for English-Only policy.</p>
<p><strong>2017 Diversity Research Award Winner</strong></p>

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<author>Anna Benker</author>


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<title>Investigating the Role of CUL3 in Phenotypic Changes and Metabolic Activity of HCT116 Colorectal Cancer Cells</title>
<link>http://digitalcommons.hamline.edu/dhp/61</link>
<guid isPermaLink="true">http://digitalcommons.hamline.edu/dhp/61</guid>
<pubDate>Thu, 04 May 2017 07:41:36 PDT</pubDate>
<description>
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	<p>Cancer is the result of multiple mutations within an individual’s genome. Each tumor has its own unique genetic makeup, even among different tumors of the same tissue (e.g. breast cancer). Researchers are now working to understand the genetics of cancers to develop novel and effective treatments directed towards tumors that carry mutations of specific genes that drive cancer. Dorr et al., used transposon-based mutagenesis to identify multiple driver genes believed to play a significant role in lung cancers. One of these genes was CUL3, a gene that plays a critical role in the polyubiquitination and degradation of specific proteins. Previous work in our lab knocked-out CUL3 from the human HCT116 colorectal cancer cell line using CRISPR/Cas9. Upon knockout, the cells displayed a variety of phenotypic changes including alteration in cell size and growth rates as measured by metabolic assays. Three of five mutant cell lines showed evidence of higher metabolic activity over the HCT116 parental cell line despite dividing less frequently. In the current study, mutant cell lines also showed significant increases in metabolic activity when compared to the HCT116 parental with P-values < 0.01. In addition, cell size was measured to determine the average sizes of the parental and mutant cell lines using ImageJ software. Analysis showed that mutant cell lines were significantly larger than the HCT116 parental line with P-values < 0.01. These differences in cell size were not due to differential effects of the metabolic assay reagent on mutant and parental cells based on one-way ANOVA analysis of cell sizes in the presence or absence of the reagent (p values ranged from 0.26- 0.987).</p>

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<author>Farhoud Golafshan</author>


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<title>Bad cops or bad training? How police officer training impacts use of force incidents.</title>
<link>http://digitalcommons.hamline.edu/dhp/60</link>
<guid isPermaLink="true">http://digitalcommons.hamline.edu/dhp/60</guid>
<pubDate>Thu, 04 May 2017 07:41:32 PDT</pubDate>
<description>
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	<p>There has been growing tension between the police and public for allegations of excessive use of force, racism, and insufficient knowledge of mental illness. The purpose of this project is to examine how officers are trained to use force and what changes in training are still needed to limit using force. This project involved a comprehensive literature review on training, use of force, racial bias and mental illness. Additionally, seven in-depth interviews were conducted with individuals involved in the policing community, and four hours of use of force training and forty hours of de-escalation training were observed. This project found that there is limited research currently available on police use of force and officer training. All of the interview participants expressed that training can be improved, but were divided on how training should be improved. The observed training showed that de-escalation is not incorporated into pre-service scenario-based training and officers received conflicting information on de-escalation techniques.</p>

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<author>Kendra Bengtson</author>


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<title>Antibiotic Resistance Genes in Minnesota Soil Bacteria from Areas of High and Low Ferric Iron</title>
<link>http://digitalcommons.hamline.edu/dhp/59</link>
<guid isPermaLink="true">http://digitalcommons.hamline.edu/dhp/59</guid>
<pubDate>Thu, 04 May 2017 07:41:29 PDT</pubDate>
<description>
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	<p>Naturally-occurring antibiotic resistance genes in soil bacteria represent a potentially important reservoir of genes that could contribute to antibiotic resistance of human pathogens. It has been reported that over 40 genes in bacterial genomes are controlled by concentrations of ferric iron. We examined the effect of soil metal content on the level of resistance to two antibiotics, ampicillin (Amp) and tetracycline (Tet), and the presence of multiple genes that code for efflux pump-mediated resistance. These pumps act to export toxins (e.g. heavy metals and antibiotics, perhaps). Because of this, growth in heavy metal-contaminated soils might select for antibiotic resistance. Ninety-six soil samples were collected over the course of two summers from areas of Minnesota with known high and low ferric iron, as reported by the US Dept. of Interior. Samples were plated on LB plates with either 10 mg/500mL Tet or 50 mg/500mL Amp. Tet resistance was the same in high and low iron soils (p = 0.63, sd = 0.02). Amp resistance was higher in samples from high iron soils only in 2015’s data (2015 p =0.002; 2016 p = 0.75, sd = 38.1). Distribution of resistance was, however, significant for Tet between iron concentrations (p < 0.001). Additionally, total DNA was extracted and PCRs with gel electrophoresis was used to determine the prevalence of 14 different efflux genes (acrB,D,F; emrB,E; mdfA; tehA; yhiV; mexF,Y; tetC,H,B,D) common to soil bacteria. In 2015, five of the eight genes studied were seen in high iron soil, while only one gene was detected in low iron soil. In 2016, four of six genes were found in samples from both soils. Ferric iron levels in the soils tested were not significantly correlated with Tet or Amp resistance levels in soil bacteria in 2016, but were correlated in 2015’s data (Amp only). It is possible that other heavy metals play a more important role in selecting for antibiotic resistance than iron.</p>

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<author>GUNNER L. DROSSEL et al.</author>


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<title>Investigating the Role of the Nucleus of the Solitary Tract and Feeding-Related Peptides on Mammalian Suckling</title>
<link>http://digitalcommons.hamline.edu/dhp/58</link>
<guid isPermaLink="true">http://digitalcommons.hamline.edu/dhp/58</guid>
<pubDate>Wed, 03 May 2017 16:10:47 PDT</pubDate>
<description>
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	<p>Mammalian suckling is an instinctive and well-conserved social behavior. This behavior is crucial to the survival of neonates and it is one of the first fully functional behaviors in the brain. Maternal odor has been well characterized as a strong stimulus for suckling and in studies where the dam is anesthetized the mouse pups are able to successfully execute the behavior. However, it is not well known how hunger and satiety effect mammalian suckling. To investigate this question, neonatal mice at various stages of development were injected with feeding-related peptides. After injecting neonatal mice with orexin A, SB-334867, or leptin, we recorded changes in weight as well as their latching latency, the time it took for them to start suckling. In addition, we also performed righting reflex tests to determine whether any observed changes in suckling were due to effects on suckling specific regions of the brain or whether it was due to whole brain stimulation. In the scientific literature, orexin A has been shown to increase feeding in adult mammals while SB 334867 and leptin have been shown to decrease feeding. However, in the neonatal mice tested at ages P2, P7, and P13, there were no statistically significant differences in the suckling intake between the control groups and the treatment groups. For the latching latency and the righting reflex tests, there was also no statistically significant difference between the control groups and the treatment groups. This data indicates that orexin A, SB 334867 and leptin do not have an affect on the suckling behavior of P2, P7, and P13 mice.</p>

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<author>Fathima A. Mohamed</author>


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<title>The Effect of Pack Size on Finish Time in the Fukuoka Marathon</title>
<link>http://digitalcommons.hamline.edu/dhp/57</link>
<guid isPermaLink="true">http://digitalcommons.hamline.edu/dhp/57</guid>
<pubDate>Wed, 03 May 2017 15:55:59 PDT</pubDate>
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	<p>Elite marathon runners have been pushing the limits of the human body, currently setting the world record near two hours. Notable factors while running include physiological, psychological, and strategic factors. Utilizing pack running may be a strategic factor to improve finish time and placement.</p>
<p>Purpose</p>
<p>To explore the effect of individuals running in various size packs on their place and finish time in the Fukuoka Marathon. This race has seen some of the most talented runners in history, as the world record has been broken twice at the Fukuoka Marathon, in 1967 and 1981.</p>
<p>Methods</p>
<p>The data set of results was received through a collaboration with Dr. Michael Joyner, of the Mayo Clinic. Subjects running in the Fukuoka Marathon in Fukuoka, Japan were all male (n=240). Marathon race times and splits was analyzed from the year 1967 through 2014. Race splits were recorded every five kilometers and at the halfway point. Only runners who finished in the top five were used to record pack sizes. Pack sizes were counted for every top five finisher at each split and a mean pack size was calculated. Finish times were normalized to the winning time of each race. One-way ANOVA test was performed to quantify the effect of mean pack size on finish time.</p>
<p>Results</p>
<p>No significant correlation was found between mean pack size and finish time for top five finishers (p=0.793). Regressions of mean pack size during the first half, second half, and entirety of the race yielded a slope of zero.</p>
<p>Conclusion</p>
<p>Although pack size and finish time were not significantly correlated, there were non- significant trends within the data that showed possible relation between place, size, and the duration of a pack that an individual ran with. Further studies should explore psychological benefits of racing in a pack, pack sizes outside of the top ten finishers, whether place within an individual pack is relevant to finish time, how individuals changing packs effects race dynamics, and if top finishers should be excluded from the pack pacing hypothesis.</p>

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<author>Fernando E. Espinosa Jenkins</author>


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<title>The Effects of Off-Season and In-Season Training on Lactate Threshold in NCAA Division III Female Soccer Players</title>
<link>http://digitalcommons.hamline.edu/dhp/56</link>
<guid isPermaLink="true">http://digitalcommons.hamline.edu/dhp/56</guid>
<pubDate>Wed, 03 May 2017 15:55:55 PDT</pubDate>
<description>
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	<p>Soccer requires a significant amount of aerobic and anaerobic training to improve one’s performance. Because lactate threshold (LT) is an important component of endurance sport performance, testing the LT of soccer players in response to their off-season and in-season training regimens could help to gauge the success of those programs in improving or maintaining fitness levels. This study evaluated the effects of off-season training and in-season training types on LT in 11 NCAA Division III female soccer players (age 19.5 +/- 1.3 years). Off-season training was comprised of aerobic and anaerobic workouts, while in-season training was more sport-specific, and involved playing soccer six days a week. Each athlete performed two LT tests on a cycle ergometer after off-season training and in-season training were completed. There were no significant differences in mean LT levels between off-season training and in-season training (125.5 +/- 18.9 Watts vs. 119.5 +/- 13.4 Watts, respectively, p=0.33). It was concluded that LT levels were maintained, but not improved, by in-season, sport-specific training when compared to off-season training. Other metrics, such as shuttle run performance or VO<sub>2</sub>max testing, may be more useful in assessing the differences between the two training types.</p>

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<author>Rachael M. Nelson</author>


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<title>The Impact of Pre-Performance Anxiety on VO2Peak Values in Female Collegiate Soccer Players</title>
<link>http://digitalcommons.hamline.edu/dhp/55</link>
<guid isPermaLink="true">http://digitalcommons.hamline.edu/dhp/55</guid>
<pubDate>Wed, 03 May 2017 15:55:52 PDT</pubDate>
<description>
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	<p>Peak oxygen consumption (VO<sub>2</sub>peak) testing is commonly performed to assess endurance training effectiveness in athletes, including soccer players. However, how variables such as playing position, training type (off-vs. in-season), and performance anxiety levels affect maximal exercise capacity have not been determined. <strong>PURPOSE:</strong> The aim of this study was to determine the effect of positioning, training type, and pre-performance directional anxiety on VO<sub>2</sub> max values in female soccer players. <strong>METHODS:</strong> Sixteen female collegiate soccer players completed two trials using a cycle ergometer. VO<sub>2</sub>peak was determined by the participant’s inability to continue pedaling and/or an established plateau in VO<sub>2 </sub>despite increasing workload. Prior to testing, a Competitive State Anxiety Inventory (CSAI-2) was completed to determine somatic anxiety, cognitive anxiety, and self-confidence. <strong>RESULTS:</strong> No significant differences were found between VO<sub>2</sub>peak and positioning, training type, and pre-performance directional anxiety (p=0.085, p=0.115, p=0. 244 respectively). However, a strong correlation was found between somatic and cognitive anxiety (r<sup>2</sup>= 0.736, p=0.079). <strong>CONCLUSION:</strong> VO<sub>2</sub>peak values were not affected by positioning type in female collegiate soccer players. High and low levels of anxiety did not predict maximal performance capabilities; however, somatic and cognitive anxiety positively interacted in determining performance. To better characterize performance anxiety in the future, research could examine cortisol levels prior to maximal performance.</p>

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<author>Mallory J. Wirth</author>


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<title>Uncovering Candidate Cold Tolerance Genes in Maize (Zea Mays)</title>
<link>http://digitalcommons.hamline.edu/dhp/54</link>
<guid isPermaLink="true">http://digitalcommons.hamline.edu/dhp/54</guid>
<pubDate>Wed, 03 May 2017 15:55:50 PDT</pubDate>
<description>
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	<p>With booming populations soon to overwhelm the world's food production capabilities, studying what makes crop organisms, like maize, efficient is crucial to ensure that the demand for food is met. Planting earlier in the spring would lengthen the crop season and produce larger yields provided the crop is tolerant to early spring’s low temperatures. Plants can adjust to abiotic stresses through biochemical changes controlled by transcription of genes. Trained plants can be produced by pre-exposing them to a lesser stress, allowing them to recover, then exposing them to a greater, longer stress. It is hypothesized that trained plants will tolerate the second harder stress more than untrained plants. There are also many different lines of maize with varying degrees of cold tolerance regardless of training. For instance, B73 is known to be less cold tolerant than Mo17.</p>
<p>In this study, candidate cold tolerance genes were identified using RNAseq of maize seedlings exposed to multiple cold stresses. Quantitative trait loci analysis were conducted on 95 lines of the IBM population and their parents (B73 and Mo17). These analyses elucidated the differences in cold response between initial and repeated cold exposure as well as the difference between cold susceptible B73 and cold tolerant Mo17 maize lines.</p>
<p>Through support of phenotypic measurements (total height, leaf greenness, chlorophyll concentration, and a 3-point visual scale), it was concluded that previous cold exposures offered no benefit to the maize seedlings after stress. Four QTL regions on chromosomes 1, 3, 5 and 7 were well supported with combinations of the phenotype data. Differential expression data from cold stress experiments were used to identify 13 significantly differentially expressed genes within the QTL regions and identify 20 candidate cold memory genes by comparing transcriptomes of trained and untrained plants. These genes potentially explain the difference in response to initial versus secondary cold exposures and cold stress response between B73 and Mo17.</p>

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<author>Raeann N. Goering</author>


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<title>A Survey of β-lactam Antibiotic Resistance Genes and Culturable Ampicillin Resistant Bacteria in Minnesota Soils</title>
<link>http://digitalcommons.hamline.edu/dhp/53</link>
<guid isPermaLink="true">http://digitalcommons.hamline.edu/dhp/53</guid>
<pubDate>Wed, 03 May 2017 15:55:47 PDT</pubDate>
<description>
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	<p>Since the discovery of penicillin, antibiotics have been an essential tool in the treatment of bacterial infections and diseases. It is estimated that antibiotics and antibiotic resistance genes have existed for billions of years. With the increasing appearance of resistant pathogenic bacteria, there has been growing concern. β-lactam antibiotics make up the largest portion of the global market, so resistance to these antibiotics is especially alarming. It has been theorized that frequency and type of antibiotic resistance genes vary by area. Previous studies suggest that these differences may be related to antibiotic use in agricultural and urban areas. To survey this variation, soil samples were collected from 180 Minnesota locations and plated on LB media with and without ampicillin. Plates were incubated for 24 hours at 32˚C. DNA was isolated directly from soil samples, and each was tested for several antibiotic resistance genes using polymerase chain reaction. Samples were classified by land cover and surficial lithology using data from the United States Geological Survey. By comparing colony counts on plates with and without ampicillin, proportions of ampicillin resistant bacteria in different environments were identified. There was not a statistically significant difference in the percentage of colonies resistant to ampicillin between areas of different land cover or surficial lithology. The genes bla‑1 and bla-TEM were observed at the highest frequency, appearing at percentages of 14.4 and 12.2 respectively, but the appearance of these genes was not correlated with land cover or surficial lithology. Antibiotic resistance genes are found in the human microbiome and mathematical modeling has shown that the evolution of antibiotic resistance genes is not related to the hospital environment, indicating that the increase in antibiotic resistant infections may be the result of existing antibiotic resistance genes being brought into hospitals where selection pressure results in them being maintained and spread.</p>

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<author>Emily M. Wollmuth</author>


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<title>Creating a Community of Writers the First Week of School</title>
<link>http://digitalcommons.hamline.edu/hse_all/4258</link>
<guid isPermaLink="true">http://digitalcommons.hamline.edu/hse_all/4258</guid>
<pubDate>Mon, 01 May 2017 08:11:11 PDT</pubDate>
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	<p>The research question addressed in this capstone was, How can an environment be created during the first weeks of school to foster efficacy in student writing? This capstone describes current research on creating an environment for writing as well as strategies for effective writing instruction. It describes approaches and rationales for a writing curriculum that integrates socialemotional learning with writing. The goal of this project was to create curriculum specific to the beginning of the year that would help elementary students see themselves as effective writers through the use of engaging writing activities.</p>

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<author>Jeanne Fimmen</author>


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