908 resultados para library labour


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DUE TO COPYRIGHT RESTRICTIONS ONLY AVAILABLE FOR CONSULTATION AT ASTON UNIVERSITY LIBRARY WITH PRIOR ARRANGEMENT

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Heat shock factor 1 (Hsf1) is a protein known to be involved in both stress and developmental processes through the regulation of heat shock proteins. However, to date, no studies have been performed on examining its expression in the myometrium during pregnancy. During pregnancy, the uterus undergoes many structural and functional changes, and it also endures both mechanical and hormonal stresses. Therefore, the purpose of this thesis was to characterize the expression of Hsf1, and its associated factors in the uterus during pregnancy. Immunoblot analysis determined that Hsf1 protein expression was high early in gestation (day (d) 6) and then decreased significantly from mid gestation onwards (specifically when compared to d15, d17 and d22, p<0.05, n=5). Immunofluorescence analysis, demonstrated that Hsf1 was readily detectable in the myometrium but did not markedly change over gestation. Hsf1 was also localized mainly in the cytoplasm of myometrial cells, with some granular staining in the nucleus. Many related proteins of Hsf1 were also detectable in the myometrium, during pregnancy, such as PARP-1 and Hsf2. These results indicate that Hsf1 could play an important role early in gestation either to aid in myometrial cell proliferation or to upregulate expression of key genes necessary for subsequent myometrial differentiation.

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This thesis explores the affective and political life of anti-violence labour, with particular attention to the ways that neoliberalism comes to bear on subjectivity, embodiment, and relationality among women responding to violence. In fall of 2015, I conducted qualitative interviews with six women engaged in the work of responding to violence. The participants in this project articulated rich descriptions of the affective life of neoliberalism and the demands of neoliberal subjectivity, drawing particular attention to the affective labour involved in navigating the political complexities of anti-violence organizations, negotiating burnout, and affectively self-managing in order to meet norms of professionalism. Bringing participant narratives into conversations with feminist theories of affect, I argue for an account affective labour that centers the specific, materially embodied experiences of that work and for an account of neoliberalism as a system of embodied and affective pressures.

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Forty years ago began in Medellin, Colombia the officers of study on the training of librarians and the improvement of library service in Latin America. It was the first time was a regional effort of this nature.Reviewing the documents we see that concern for the subsequent employment of graduates are handled in a "serene". The library moved into a more stable labor market and institutionally defined. The challenges facing those who were far from threatening the stability of employment, the very meaning of the profession and survival. The race was expanding, had begun to trickle out of the national libraries of some countries to join full of expectations to the academic university.

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A fosmid metagenomic library was constructed with total community DNA obtained from a municipal wastewater treatment plant (MWWTP), with the aim of identifying new FeFe-hydrogenase genes encoding the enzymes most important for hydrogen metabolism. The dataset generated by pyrosequencing of a fosmid library was mined to identify environmental gene tags (EGTs) assigned to FeFe-hydrogenase. The majority of EGTs representing FeFe-hydrogenase genes were affiliated with the class Clostridia, suggesting that this group is the main hydrogen producer in the MWWTP analyzed. Based on assembled sequences, three FeFe-hydrogenase genes were predicted based on detection of the L2 motif (MPCxxKxxE) in the encoded gene product, confirming true FeFe-hydrogenase sequences. These sequences were used to design specific primers to detect fosmids encoding FeFe-hydrogenase genes predicted from the dataset. Three identified fosmids were completely sequenced. The cloned genomic fragments within these fosmids are closely related to members of the Spirochaetaceae, Bacteroidales and Firmicutes, and their FeFe-hydrogenase sequences are characterized by the structure type M3, which is common to clostridial enzymes. FeFe-hydrogenase sequences found in this study represent hitherto undetected sequences, indicating the high genetic diversity regarding these enzymes in MWWTP. Results suggest that MWWTP have to be considered as reservoirs for new FeFe-hydrogenase genes.

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INTRODUCTION: Open access publishing is becoming increasingly popular within the biomedical sciences. SciELO, the Scientific Electronic Library Online, is a digital library covering a selected collection of Brazilian scientific journals many of which provide open access to full-text articles.This library includes a number of dental journals some of which may include reports of clinical trials in English, Portuguese and/or Spanish. Thus, SciELO could play an important role as a source of evidence for dental healthcare interventions especially if it yields a sizeable number of high quality reports. OBJECTIVE: The aim of this study was to identify reports of clinical trials by handsearching of dental journals that are accessible through SciELO, and to assess the overall quality of these reports. MATERIAL AND METHODS: Electronic versions of six Brazilian dental Journals indexed in SciELO were handsearched at www.scielo.br in September 2008. Reports of clinical trials were identified and classified as controlled clinical trials (CCTs - prospective, experimental studies comparing 2 or more healthcare interventions in human beings) or randomized controlled trials (RCTs - a random allocation method is clearly reported), according to Cochrane eligibility criteria. CRITERIA TO ASSESS METHODOLOGICAL QUALITY INCLUDED: method of randomization, concealment of treatment allocation, blinded outcome assessment, handling of withdrawals and losses and whether an intention-to-treat analysis had been carried out. RESULTS: The search retrieved 33 CCTs and 43 RCTs. A majority of the reports provided no description of either the method of randomization (75.3%) or concealment of the allocation sequence (84.2%). Participants and outcome assessors were reported as blinded in only 31.2% of the reports. Withdrawals and losses were only clearly described in 6.5% of the reports and none mentioned an intention-to-treat analysis or any similar procedure. CONCLUSIONS: The results of this study indicate that a substantial number of reports of trials and systematic reviews are available in the dental journals listed in SciELO, and that these could provide valuable evidence for clinical decision making. However, it is clear that the quality of a number of these reports is of some concern and that improvement in the conduct and reporting of these trials could be achieved if authors adhered to internationally accepted guidelines, e.g. the CONSORT statement.