1,604 research outputs found

    Essential excerpts for tuba from original works written for wind ensemble

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    "The need for a standard course of study to assist in preparing students for military band auditions is apparent due to the current number of tuba positions in premier military service band organizations. This examination of Essential Excerpts for Tuba from Original Works Written for Wind Ensemble is intended to be an important document in the field of tuba performance and teaching for practice, preparation, and study of the original wind symphony literature written for tuba. The excerpts included in this text are selected based on a general survey created by the author. The Tuba Excerpt Survey, completed by retired and current premier military service band tuba players and select college and university tuba professors, generated a standard list of excerpts that produced the desired information that finalized the specified essential tuba excerpts to be included and reviewed in this document. By setting performance boundaries, inspecting the musical details of the excerpts, and separating an undergraduate curriculum into appropriate levels of study, a classification and distribution of the found scores and excerpts among different levels is established in this text. Upon examination of these excerpts, additional methodologies and corollary studies have been integrated into the paper to further facilitate student practice and preparation of these essential excerpts for tuba among original compositions written for the wind ensemble medium."--Abstract from author supplied metadata

    Edition of Kephart’s Letter (#7)

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    Horace Kephart—author, naturalist, librarian—is a renowned authority on the cultural and natural history of southern Appalachia. His two most famous books, Camping and Woodcraft (1917) and Our Southern Highlanders (1922), remain popular to this day for their practical advice for outdoor activities and narrative account of the people and environment of the Great Smoky Mountains (“Horace Kephart, Biography”). Determined to preserve the last great forests in the Eastern United States, Kephart was instrumental in establishing the Great Smoky Mountains National Park. He also took an active role in the creation of the Appalachian Trail (Ellison xlv). His contributions provide an invaluable record of a previously overlooked and often misunderstood land and people

    Determination of palatability, tenderness, and vitamin retention of meat and poultry cooked in a selected oven film

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    Palatability, tenderness, and vitamin (thiamine, riboflavin, and vitamin Bg) retention of institutional cuts of meat and poultry cooked in the convection oven in nylon ovenproof film or cooked uncovered were studied. Six replications of two similar roasts, one tight wrapped in nylon oven film and the second unwrapped, were cooked in a forced air convection oven at 177° C. to an appropriate internal temperature. As the roasts reached the end point, they were removed from the oven and allowed to continue cooking outside the oven. Immediately after roasts attained maximum internal temperature, total cooking, drip, and volatile losses were determined. Roasts were then sliced and served for palatability evaluation. Total cooking losses were less for roasts cooked in tight wrap than for those cooked unwrapped with significant differences for pork loin and turkey. Drip losses were significantly higher for pork loin and turkey roasted in oven film than for those cooked uncovered; wrapped rib roast drip loss was less than that for those unwrapped. Volatile loss was significantly higher for uncovered turkey and pork loin than for similar roasts cooked in tight wrap. Ribeye roasts showed a comparable trend. Rib roasts cooked in oven film resulted in greater volatile loss than those unwrapped. Although the difference was not significant, mean servable weight was greater for tight wrapped roasts than those cooked uncovered

    Variable sexually dimorphic gene expression in laboratory strains of Drosophila melanogaster.

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    BACKGROUND: Wild-type laboratory strains of model organisms are typically kept in isolation for many years, with the action of genetic drift and selection on mutational variation causing lineages to diverge with time. Natural populations from which such strains are established, show that gender-specific interactions in particular drive many aspects of sequence level and transcriptional level variation. Here, our goal was to identify genes that display transcriptional variation between laboratory strains of Drosophila melanogaster, and to explore evidence of gender-biased interactions underlying that variability. RESULTS: Transcriptional variation among the laboratory genotypes studied occurs more frequently in males than in females. Qualitative differences are also apparent to suggest that genes within particular functional classes disproportionately display variation in gene expression. Our analysis indicates that genes with reproductive functions are most often divergent between genotypes in both sexes, however a large proportion of female variation can also be attributed to genes without expression in the ovaries. CONCLUSION: The present study clearly shows that transcriptional variation between common laboratory strains of Drosophila can differ dramatically due to sexual dimorphism. Much of this variation reflects sex-specific challenges associated with divergent physiological trade-offs, morphology and regulatory pathways operating within males and females.RIGHTS : This article is licensed under the BioMed Central licence at http://www.biomedcentral.com/about/license which is similar to the 'Creative Commons Attribution Licence'. In brief you may : copy, distribute, and display the work; make derivative works; or make commercial use of the work - under the following conditions: the original author must be given credit; for any reuse or distribution, it must be made clear to others what the license terms of this work are

    Brain Trust: Students for Students: VCU to RPS Mentorship Program

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    As a public, urban research institution, Virginia Commonwealth University embraces the importance of developing university-community partnerships that generate innovative solutions to societal challenges and prepare engaged citizens of tomorrow. The Students for Students: VCU to RPS Mentorship Program provides a model that will connect current VCU students to current Richmond Public Schools (RPS) students through a formal, multi-year mentorship. The ultimate goal of this program is to support and positively influence RPS students, while providing current VCU students with an opportunity to give back to the community while developing their mentorship skills. The mentoring relationship will seek to motivate RPS sophomores, juniors and seniors to improve school performance, graduate on time, and craft a post-high school path

    Cognitive control and affect before and after physical activity in a real-world environment for young adults at risk and not at risk for ADHD

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    A single bout of physical activity has shown positive effects on cognitive control and affect in young adults. However, individuals at risk for attention-deficit hyperactivity disorder (ADHD) demonstrate cognitive control deficits and emotional dysregulation that negatively impact their quality of life, revealing impairments occupationally, socially, academically, and psychologically. Additionally, the effects of a bout of physical activity on subsequent cognition and affect are unclear in young adults within their real-world environments. Therefore, the purpose of this dissertation was to extend previous research regarding the effect of structured physical activity by observing the effects of a bout of physical activity in a real-world environment. Specifically, this dissertation assessed cognitive control performance and affect prior to and following physical activity and inactivity in individuals who are at risk and not at risk for ADHD in a real-world environment. Young adults throughout the Southeast United States were recruited for this dissertation (n = 94), and all participants completed one bout of both physical activity and inactivity over seven days in their real-world environment. Immediately before and after each bout, participants used a mobile device to complete a cognitive control task and affect measures. Cognitive control results revealed a significant decrease in reaction time following physical activity compared to before physical activity and after inactivity for individuals at risk and not at risk for ADHD. All participants reported improved affect after physical activity compared to before physical activity and after inactivity. Together, these data are the first to demonstrate cognitive and affective improvements following physical activity in real-world environments for individuals at risk and not at risk for ADHD

    Tutte Polynomials of Some Graphs

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    Given any graph G, there is a bivariate polynomial called Tutte polynomial which can be derived from G. We denote such polynomial by T(G; x; y). This thesis introduces the two techniques commonly used to compute T(G; x; y) along with several examples. Further, we determine T(G; x; y) for various classes of graphs such as cycles, trees, cacti, (2; 2; 1), which is a multi-bridge graph, and the well-known Peterson graph. We plot these surfaces, their contours and, for each such graph G, weevaluate their T(G; x; y) for some values (x; y) along a curve. We obtain important information about these graphs namely the number of spanning trees and number of spanning subgraphs. We also introduced some related polynomials such as thechromatic polynomial, the flow polynomial and the reliability polynomial

    Childbearing postponement and child well-being: a complex and varied relationship?

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    Over the past several decades, U.S. fertility has followed a trend toward the postponement of motherhood. The socioeconomic causes and consequences of this trend have been the focus of attention in the demographic literature. Given the socioeconomic advantages of those who postpone having children, some authors have argued that the disadvantage experienced by certain groups would be reduced if they postponed their births. The weathering hypothesis literature, by integrating a biosocial perspective, complicates this argument and posits that the costs and benefits of postponement may vary systematically across population subgroups. In particular, the literature on the weathering hypothesis argues that as a consequence of their unique experiences of racism and disadvantage, African American women may experience a more rapid deterioration of their health, which could offset or eventually reverse any socioeconomic benefit of postponement. But because very few African American women postpone motherhood, efforts to find compelling evidence to support the arguments of this perspective rely on a strategy of comparison that is problematic because a potentially selected group of older black mothers are used to represent the costs of postponement. This might explain why the weathering hypothesis has played a rather limited role in the way demographers conceptualize postponement and its consequences for well-being. In order to explore the potential utility of this perspective, we turn our attention to the UK context. Because first-birth fertility schedules are similar for black and white women, we can observe (rather than assume) whether the meaning and consequences of postponement vary across these population subgroups. The results, obtained using linked UK census and birth record data, reveal evidence consistent with the weathering hypothesis in the United Kingdom and lend support to the arguments that the demographic literature would benefit from integrating insights from this biosocial perspective

    Referral of patients with depression to mental health care by Dutch general practitioners: an observational study

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    <p>Abstract</p> <p>Background</p> <p>Depression is a common illness, often treated in primary care. Guidelines provide recommendations for referral to mental health care. Several studies investigated determinants of referral, none investigated guideline criteria as possible determinants.</p> <p>We wanted to evaluate general practitioner's referral of depressed patients to mental health care and to what extent this is in agreement with (Dutch) guideline recommendations.</p> <p>Methods</p> <p>We used data of primary care respondents from the Netherlands Study of Depression and Anxiety with major depressive disorder in the past year (n = 478). We excluded respondents with missing data (n = 134). Referral data was collected from electronic patient files between 1 year before and after baseline and self report at baseline and 1-year follow-up. Logistic regression was used to describe association between guideline referral criteria (e.g. perceived need for psychotherapy, suicide risk, severe/chronic depression, antidepressant therapy failure) and referral.</p> <p>Results</p> <p>A high 58% of depressed patients were referred. Younger patients, those with suicidal tendency, chronic depression or perceived need for psychotherapy were referred more often. Patients who had used ≄2 antidepressants or with chronic depression were more often referred to secondary care. Referred respondents met on average more guideline criteria for referral. However, only 8-11% of variance was explained.</p> <p>Conclusion</p> <p>The majority of depressed patients were referred to mental health care. General practitioners take guideline criteria into account in decision making for referral of depressed patients to mental health care. However, other factors play a part, considering the small percentage of variance explained. Further research is necessary to investigate this.</p

    Secondary osteosarcoma arising after treatment for childhood hematologic malignancies

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    Secondary osteosarcoma arising after the treatment of hematologic malignancies other than Hodgkin's lymphoma is rare. We report two cases of secondary osteosarcoma arising after treatment for childhood hematologic malignancies (non-Hodgkin's lymphoma and lymphoblastic leukemia). A 10-year-old boy, at the age of 3, was diagnosed with non-Hodgkin's lymphoma. He received chemotherapy, radiation, and bone-marrow transplantation and then was in complete remission. At 6 years, he complained of increasing pain of the right thigh and was diagnosed with osteoblastic osteosarcoma. A 26-year-old man, at the age of 6, was diagnosed as having acute lymphoblastic leukemia (ALL). He received chemotherapy, radiation, and peripheral blood stem cell transplantation (PBSCT). At 11 years after PBSCT, he visited with the complaint of left lumbar swelling. He was diagnosed with chondroblastic osteosarcoma. In both cases alkaline phosphatase (ALP) had already increased prior to the onset of the symptom. We should rule out secondary osteosarcoma at the abnormal elevation of ALP during clinical follow-up of patients after treatment of childhood hematologic malignancies
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