496 research outputs found

    Preparing for Financial Success: An Online Curriculum for Graduating College Students

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    This thesis examines how institutions of higher education can better prepare students for the transition into the development stage of Emerging Adulthood. I explore the following questions: What is the stage of Emerging Adulthood? What knowledge do students have regarding financial literacy? How does social class play a role on students’ knowledge regarding financial literacy? Why are institutions not preparing students for life post-graduation? This thesis uses student identity development thoery, social capital theory, and historical analysis to critically analyze the current college student experience post-graduation in regards to financial literacy. As I dive deeper into the relationship between social class and financial literacy among college students I propose an informative online module provided for students who are approaching college graduation. My intervention ultimately provides resources for college graduates to help them safeguard future financial success post-graduation

    CONTRIBUTIONS OF GENE COPY NUMBER VARIATION TO GENOME EVOLUTION AND LOCAL ADAPTATION OF THE CYANOBACTERIUM ACARYOCHLORIS

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    Acaryochloris is a recently discovered genus of cyanobacteria, unique in its use of an uncommon chlorophyll as its major photosynthetic pigment, and in its peculiar genome dynamics. Members of this genus exhibit increased genic copy number variation (CNV), which is thought to be primarily derived from gene duplications and horizontal gene transfer (HGT). Acaryochloris provides an ideal system to explore mechanisms behind maintenance of gene duplicates and the influence of CNV in local adaptation. Here, I propose a mechanism for retention of gene duplicates of the bacterial recombinase, RecA, in Acaryochloris genomes and provide preliminary evidence that these paralogs are becoming functionally divergent. I then focus on idiosyncratic CNV between two strains of Acaryochloris which were isolated from very different environments. I provide evidence of local adaptation to iron limitation in one strain, associate it with physiological differences between strains, and show that unique CNV drives changes in gene dosage and is associated with variable fitness and physiology

    Effectiveness of Complete Decongestive Therapy (CDT) as a Lifestyle Management Intervention for Adults with Secondary Lymphedema.

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    The National Cancer Institute (2019) explains that lymphedema is a condition where there is a buildup of fluid in soft tissues as a result of the lymphatic system being damaged or blocked. Lymphedema is estimated to impact 2 to 3 million people in the United States, with secondary lymphedema being the most common form (Rockson & Rivera, 2008). Prevalence rates for lymphedema are likely underestimated, as not all patients have received treatment for their condition (Rockson & Rivera, 2008). Secondary lymphedema occurs when the lymph system is damaged or blocked from cancer, infection, injury, removal of lymph nodes, radiation, or surgery (NCI, 2019). The risk of obtaining secondary lymphedema increases when surgery or radiation therapy becomes more aggressive and/or anatomically disruptive (Vojáčková, Fialová, & Hercogová, 2012). “Many factors have been studied with regard to lymphedema risk: obesity, weight gain, venous insufficiency, and recurrent soft tissue infections” (Vojáčková et al., 2012, p. 353). Unfortunately, the growth of obesity is expected to increase the prevalence of individuals with secondary lymphedema (Vojáčková et al., 2012)

    Profiles of Well-Being Among Early Childhood Educators

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    Research Findings: This study used a person-centered data analytic approach to identify distinct subgroups of early childhood educators (n= 133) based on their responses to multiple indicators of well-being (psychological, financial, and health indicators). Various fit indices established a two-class solution. Specifically, one group was characterized by more positive well-being and the other by less positive well-being. Subgroup differences were the greatest for indicators of psychological well-being, including self-care and self-compassion. In addition, educators with less than a bachelor’s degree, working as assistant teachers, receiving less pay, with more adverse childhood experiences, were overrepresented in the less positive well-being group, demonstrating system inequities and opportunities for improvement. Practice or Policy: These findings have implications for supporting the early care and education workforce. Specifically, findings suggest psychological well-being, including self-care and self-compassion, may be relevant focus areas for organizational and systems change efforts or interventions. Furthermore, findings suggest that trauma-informed approaches and support for assistant teachers are particularly important to promote equity and well-being across the workforce

    Early Childhood Teacher Turnover in Nebraska

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    Teacher turnover is a serious challenge across early childhood settings. Turnover can be expensive for early childhood programs, burdensome to staff, and harmful to children throughout the nation. Nebraska is no exception. This research brief describes teacher turnover in the state’s early care and education settings, including licensed child care, state-funded PreK, and Kindergarten through Grade 3. Research Questions The following research questions were asked across early childhood programs (licensed child care, state-funded PreK, and K-3): 1. What was the average rate of annual teacher turnover? 2. According to administrators, what was the most common reason teachers left their employment? 3. Which hiring challenges did administrators experience in filling positions? 4. On average

    Workforce well-being: Personal and workplace contributions to early educators\u27 depression across settings

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    Building on research demonstrating the importance of teachers\u27 well-being, this study examined personal and contextual factors related to early childhood educators\u27 (n =1640) depressive symptoms across licensed child care homes, centers, and schools. Aspects of teachers\u27 beliefs, economic status, and work-related stress were explored, and components of each emerged as significant in an OLS regression. After controlling for demographics and setting, teachers with more adult-centered beliefs, lower wages, multiple jobs, no health insurance, more workplace demands, and fewer work-related resources, had more depressive symptoms. Adult-centered beliefs were more closely associated with depression for teachers working in home-based settings compared to center-based settings. These findings provide preliminary evidence about what relates to depression in the early childhood workforce, which has implications for supporting well-being across settings

    Risk Factors for Depression Among Early Childhood Teachers

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    This study examined possible risk factors associated with teachers’ depression in a variety of early childhood settings. Teachers with lower pay, no health insurance, multiple jobs, greater job stress, and more adult-centered beliefs reported more symptoms of depression. To reduce these symptoms, efforts should be made to support teachers’ mental health at multiple levels, including individual, environmental, and policy. Researchers used data collected in 2015-16 from a large survey of early childhood educators in Nebraska. Four early childhood settings were sampled: licensed family child care homes (home-based), licensed child care centers (center-based), state-funded PreK programs, and elementary schools serving children in Kindergarten through Grade 3 (K-3). Across settings, a total of 1,640 teachers responded to the survey: 36% in K-3, 25% home-based, 23% center-based, and 17% PreK. The survey included various measures, including economic circumstances (health insurance status, pay, public assistance use, and working multiple jobs), work-related stress, beliefs about children’s development (the extent to which teachers held more adult-centered vs. child-centered beliefs), and symptoms of depression

    Molecular brakes regulating mTORC1 activation in skeletal muscle following synergist ablation

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    The goal of the current work was to profile positive (mTORC1 activation, autocrine/paracrine growth factors) and negative [AMPK, unfolded protein response (UPR)] pathways that might regulate overload-induced mTORC1 (mTOR complex 1) activation with the hypothesis that a number of negative regulators of mTORC1 will be engaged during a supraphysiological model of hypertrophy. To achieve this, mTORC1- IRS-1/2 signaling, BiP/CHOP/IRE1, and AMPK activation were determined in rat plantaris muscle following synergist ablation (SA). SA resulted in significant increases in muscle mass of 4% per day throughout the 21 days of the experiment. The expression of the insulin-like growth factors (IGF) were high throughout the 21st day of overload. However, IGF signaling was limited, since IRS-1 and -2 were undetectable in the overloaded muscle from day 3 to day 9. The decreases in IRS-1/2 protein were paralleled by increases in GRB10 Ser501/503 and S6K1 Thr389 phosphorylation, two mTORC1 targets that can destabilize IRS proteins. PKB Ser473 phosphorylation was higher from 3– 6 days, and this was associated with increased TSC2 Thr939 phosphorylation. The phosphorylation of TSC2 Thr1345 (an AMPK site) was also elevated, whereas phosphorylation at the other PKB site, Thr1462, was unchanged at 6 days. In agreement with the phosphorylation of Thr1345, SA led to activation of AMPK1 during the initial growth phase, lasting the first 9 days before returning to baseline by day 12. The UPR markers CHOP and BiP were elevated over the first 12 days following ablation, whereas IRE1 levels decreased. These data suggest that during supraphysiological muscle loading at least three potential molecular brakes engage to downregulate mTORC1. m

    The Infrared Properties of Hickson Compact Groups

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    Compact groups of galaxies provide a unique environment to study the mechanisms by which star formation occurs amid continuous gravitational encounters. We present 2MASS (JHK), Spitzer IRAC (3.5-8 micron) and MIPS (24 micron) observations of a sample of twelve Hickson Compact Groups (HCGs 2, 7, 16, 19, 22, 31, 42, 48, 59, 61, 62, and 90) that includes a total of 45 galaxies. The near-infrared colors of the sample galaxies are largely consistent with being dominated by slightly reddened normal stellar populations. Galaxies that have the most significant PAH and/or hot dust emission (as inferred from excess 8 micron flux) also tend to have larger amounts of extinction and/or K-band excess and stronger 24 micron emission, all of which suggest ongoing star formation activity. We separate the twelve HCGs in our sample into three types based on the ratio of the group HI mass to dynamical mass. We find evidence that galaxies in the most gas-rich groups tend to be the most actively star forming. Galaxies in the most gas-poor groups tend to be tightly clustered around a narrow range in colors consistent with the integrated light from a normal stellar population. We interpret these trends as indicating that galaxies in gas-rich groups experience star formation and/or nuclear actively until their neutral gas consumed, stripped, or ionized. The galaxies in this sample exhibit a ``gap'' between gas-rich and gas-poor groups in infrared color space that is sparsely populated and not seen in the Spitzer First Look Survey sample. This gap may suggest a rapid evolution of galaxy properties in response to dynamical effects. These results suggest that the global properties of the groups and the local properties of the galaxies are connected.Comment: 34 pages, 26 figures, accepted for publication in AJ, higher quality images available in publicatio

    Site Factors Related to Dry Farm Vegetable Productivity and Quality in the Willamette Valley of Oregon

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    Dry farming has been defined as rainfed crop production in a climate with more than 20 inches of annual precipitation, but where most precipitation falls outside the growing season. Dry farming is garnering interest in the western United States because it allows farmers to produce crops despite a lack of access to irrigation or water rights or to eliminate the infrastructure, labor, and energy costs of irrigation systems. Sites have differing suitability for dry farming, and some sites that can be farmed with irrigation will perform poorly when dry-farmed. To determine site factors associated with dry farm yield and fruit quality, trials of ‘Early Girl’ tomato (Solanum lycopersicum) and ‘North Georgia Candy Roaster’ winter squash (Cucurbita maxima) were conducted at 17 participant farms in the Willamette Valley in Oregon, USA, in 2018 and 2019. The mean blossom-end rot (BER) incidence was higher in the Willamette Valley than in coastal California; this was probably because of the Willamette Valley’s hotter and drier climate. Increasing the available water-holding capacity of soil, total available water (available water-holding capacity of the soil plus in-season rainfall), native productivity rating, soil pH (0–6 inches and 24–36 inches), soil nutrient concentrations (0–6 inches and 24–36 inches), and in-season rainfall were positively associated with at least one measure of tomato or winter squash yield, fruit number, or average fruit weight. An earlier planting date was positively associated with winter squash total yield and total fruit number in 2019. The water-limited yield potential (the total yield potential if water was the only limiting factor) for 20-ft2/plant plots was estimated to be 2.2 tons/acre per inch for tomato and 2.8 tons/acre per inch for winter squash. In 2019, high-density plantings (20 ft2/plant) had higher tomato and winter squash mean total yields, mean total fruit numbers, and mean tomato unblemished yield than low-density plantings (40 ft2/plant). In 2019, planting tomato at 20 ft2/plant decreased the mean BER incidence by 15.6% when compared with planting tomato at 40 ft2/plant
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