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Borges Bottino</title> <meta name="description" content="Search results for: Giovanna Borges Bottino"> <meta name="keywords" content="Giovanna Borges Bottino"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Giovanna Borges Bottino"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 40</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Giovanna Borges Bottino</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">40</span> ANAC-id - Facial Recognition to Detect Fraud</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Giovanna%20Borges%20Bottino">Giovanna Borges Bottino</a>, <a href="https://publications.waset.org/abstracts/search?q=Luis%20Felipe%20Freitas%20do%20Nascimento%20Alves%20Teixeira"> Luis Felipe Freitas do Nascimento Alves Teixeira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article aims to present a case study of the National Civil Aviation Agency (ANAC) in Brazil, ANAC-id. ANAC-id is the artificial intelligence algorithm developed for image analysis that recognizes standard images of unobstructed and uprighted face without sunglasses, allowing to identify potential inconsistencies. It combines YOLO architecture and 3 libraries in python - face recognition, face comparison, and deep face, providing robust analysis with high level of accuracy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=artificial%20intelligence" title="artificial intelligence">artificial intelligence</a>, <a href="https://publications.waset.org/abstracts/search?q=deepface" title=" deepface"> deepface</a>, <a href="https://publications.waset.org/abstracts/search?q=face%20compare" title=" face compare"> face compare</a>, <a href="https://publications.waset.org/abstracts/search?q=face%20recognition" title=" face recognition"> face recognition</a>, <a href="https://publications.waset.org/abstracts/search?q=YOLO" title=" YOLO"> YOLO</a>, <a href="https://publications.waset.org/abstracts/search?q=computer%20vision" title=" computer vision"> computer vision</a> </p> <a href="https://publications.waset.org/abstracts/148459/anac-id-facial-recognition-to-detect-fraud" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/148459.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">156</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">39</span> Patchwork City: An Affective Map for a Patchwork Zone</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maria%20Luc%C3%ADlia%20Borges">Maria Lucília Borges</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article presents the creation and design process of the "patchwork map" made for the project “Santo Amaro em Rede” (Santo Amaro on Web). The project was carried out in 2009 by SESC – SP – Brazil (Social Service for the Commerce of São Paulo) in partnership with Instituto Pólis. It is a mapping of socio-cultural dynamics of São Paulo’s South Zone and neighboring municipalities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=affective%20map" title="affective map">affective map</a>, <a href="https://publications.waset.org/abstracts/search?q=cartography" title=" cartography"> cartography</a>, <a href="https://publications.waset.org/abstracts/search?q=S%C3%A3o%20Paulo%20city" title=" São Paulo city"> São Paulo city</a>, <a href="https://publications.waset.org/abstracts/search?q=space" title=" space"> space</a>, <a href="https://publications.waset.org/abstracts/search?q=patchwork" title=" patchwork"> patchwork</a> </p> <a href="https://publications.waset.org/abstracts/27660/patchwork-city-an-affective-map-for-a-patchwork-zone" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27660.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">380</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">38</span> A Case Study on the Guidelines for Application of Project Management Methods in Infrastructure Projects</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fernanda%20Varella%20Borges">Fernanda Varella Borges</a>, <a href="https://publications.waset.org/abstracts/search?q=Silvio%20Burrattino%20Melhado"> Silvio Burrattino Melhado</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Motivated by the importance of public infrastructure projects in the civil construction chain, this research shows the study of project management methods and the infrastructure projects’ characteristics. The research aims at the objective of improving management efficiency by proposing guidelines for the application of project management methods in infrastructure projects. Through literature review and case studies, the research analyses two major infrastructure projects underway in Brazil, identifying the critical points for achieving its success. As a result, the proposed guidelines indicate that special attention should be given to the management of stakeholders, focusing on their knowledge and experience, their different interests, the efficient management of their communication, and their behavior in the day-by-day project management process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=construction" title="construction">construction</a>, <a href="https://publications.waset.org/abstracts/search?q=infrastructure" title=" infrastructure"> infrastructure</a>, <a href="https://publications.waset.org/abstracts/search?q=project%20management" title=" project management"> project management</a>, <a href="https://publications.waset.org/abstracts/search?q=public%20projects" title=" public projects"> public projects</a> </p> <a href="https://publications.waset.org/abstracts/82714/a-case-study-on-the-guidelines-for-application-of-project-management-methods-in-infrastructure-projects" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82714.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">494</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37</span> Requirements for a Shared Management of State-Owned Building in the Archaeological Park of Pompeii</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maria%20Giovanna%20Pacifico">Maria Giovanna Pacifico</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Maintenance, in Italy, is not yet a consolidated practice despite the benefits that could come from. Among the main reasons, there are the lack of financial resources and personnel in the public administration and a general lack of knowledge about how to activate and to manage a prevented and programmed maintenance. The experimentation suggests that users and tourists could be involved in the maintenance process from the knowledge phase to the monitoring ones by using mobile devices. The goal is to increase the quality of Facility Management for cultural heritage, prioritizing usage needs, and limiting interference between the key stakeholders. The method simplifies the consolidated procedures for the Information Systems, avoiding a loss in terms of quality and amount of information by focusing on the users' requirements: management economy, user safety, accessibility, and by receiving feedback information to define a framework that will lead to predictive maintenance. This proposal was designed to be tested in the Archaeological Park of Pompeii on the state property asset. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=asset%20maintenance" title="asset maintenance">asset maintenance</a>, <a href="https://publications.waset.org/abstracts/search?q=key%20stakeholders" title=" key stakeholders"> key stakeholders</a>, <a href="https://publications.waset.org/abstracts/search?q=Pompeii" title=" Pompeii"> Pompeii</a>, <a href="https://publications.waset.org/abstracts/search?q=user%20requirement" title=" user requirement"> user requirement</a> </p> <a href="https://publications.waset.org/abstracts/127238/requirements-for-a-shared-management-of-state-owned-building-in-the-archaeological-park-of-pompeii" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/127238.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">125</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">36</span> Orthosis and Finite Elements: A Study for Development of New Designs through Additive Manufacturing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Volpini">M. Volpini</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Alves"> D. Alves</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Horta"> A. Horta</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Borges"> M. Borges</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Reis"> P. Reis</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The gait pattern in people that present motor limitations foment the demand for auxiliary locomotion devices. These artifacts for movement assistance vary according to its shape, size and functional features, following the clinical applications desired. Among the ortheses of lower limbs, the ankle-foot orthesis aims to improve the ability to walk in people with different neuromuscular limitations, although they do not always answer patients' expectations for their aesthetic and functional characteristics. The purpose of this study is to explore the possibility of using new design in additive manufacturer to reproduce the shape and functional features of a ankle-foot orthesis in an efficient and modern way. Therefore, this work presents a study about the performance of the mechanical forces through the analysis of finite elements in an ankle-foot orthesis. It will be demonstrated a study of distribution of the stress on the orthopedic device in orthostatism and during the movement in the course of patient's walk. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=additive%20manufacture" title="additive manufacture">additive manufacture</a>, <a href="https://publications.waset.org/abstracts/search?q=new%20designs" title=" new designs"> new designs</a>, <a href="https://publications.waset.org/abstracts/search?q=orthoses" title=" orthoses"> orthoses</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20elements" title=" finite elements"> finite elements</a> </p> <a href="https://publications.waset.org/abstracts/79368/orthosis-and-finite-elements-a-study-for-development-of-new-designs-through-additive-manufacturing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/79368.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">211</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">35</span> Probabilistic and Stochastic Analysis of a Retaining Wall for C-Φ Soil Backfill</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Andr%C3%A9%20Lu%C3%ADs%20Brasil%20Cavalcante">André Luís Brasil Cavalcante</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20Felix%20Rodriguez%20Rebolledo"> Juan Felix Rodriguez Rebolledo</a>, <a href="https://publications.waset.org/abstracts/search?q=Lucas%20Parreira%20de%20Faria%20Borges"> Lucas Parreira de Faria Borges</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A methodology for the probabilistic analysis of active earth pressure on retaining wall for c-Φ soil backfill is described in this paper. The Rosenblueth point estimate method is used to measure the failure probability of a gravity retaining wall. The basic principle of this methodology is to use two point estimates, i.e., the standard deviation and the mean value, to examine a variable in the safety analysis. The simplicity of this framework assures to its wide application. For the calculation is required 2ⁿ repetitions during the analysis, since the system is governed by n variables. In this study, a probabilistic model based on the Rosenblueth approach for the computation of the overturning probability of failure of a retaining wall is presented. The obtained results have shown the advantages of this kind of models in comparison with the deterministic solution. In a relatively easy way, the uncertainty on the wall and fill parameters are taken into account, and some practical results can be obtained for the retaining structure design. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=retaining%20wall" title="retaining wall">retaining wall</a>, <a href="https://publications.waset.org/abstracts/search?q=active%20earth%20pressure" title=" active earth pressure"> active earth pressure</a>, <a href="https://publications.waset.org/abstracts/search?q=backfill" title=" backfill"> backfill</a>, <a href="https://publications.waset.org/abstracts/search?q=probabilistic%20analysis" title=" probabilistic analysis"> probabilistic analysis</a> </p> <a href="https://publications.waset.org/abstracts/52396/probabilistic-and-stochastic-analysis-of-a-retaining-wall-for-c-f-soil-backfill" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52396.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">418</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">34</span> Female Labor as a Social Right: A Human Rights Perspective</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Claudia%20Borges%20Colcerniani">Claudia Borges Colcerniani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper is about a qualitative study whose main objective is to know how labor, as a Brazilian constitutionally established social right, can promote the social inclusion of female heads of one-parent families in a situation of poverty. The participants are six women, mothers, and workers living in Rocinha, a community located in the city of Rio de Janeiro, RJ, Brazil. According to the Brazilian Federal Constitution, social rights are based on the idea that socioeconomic inequalities should not limit or eliminate civil and political rights. In this perspective, labor can be a way to reach social justice, according to the theory of Nancy Fraser, the theoretical framework adopted in this research. Data were collected through socioeconomic questionnaires, and semi-structured interviews applied individually. The results analysis was made using the content analysis/categorical content analysis, according to Bardin's perspective. The results indicate that labor (as a social right) is considered, by the interviewed women, as an opportunity for social inclusion when there are the characteristics of the formality in accordance with the international labor regulations (Decent Work - International Labour Organization/United Nations). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=female%20labor" title="female labor">female labor</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20justice" title=" social justice"> social justice</a>, <a href="https://publications.waset.org/abstracts/search?q=inclusion" title=" inclusion"> inclusion</a>, <a href="https://publications.waset.org/abstracts/search?q=women" title=" women"> women</a>, <a href="https://publications.waset.org/abstracts/search?q=decent%20work" title=" decent work"> decent work</a> </p> <a href="https://publications.waset.org/abstracts/151889/female-labor-as-a-social-right-a-human-rights-perspective" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/151889.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">115</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">33</span> First Surveillance Results Bring No Evidence of SARS-CoV-2 Spillback in Bats of Central-Southern Italy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hiba%20Dakroub">Hiba Dakroub</a>, <a href="https://publications.waset.org/abstracts/search?q=Danilo%20Russo"> Danilo Russo</a>, <a href="https://publications.waset.org/abstracts/search?q=Luca%20Cistrone"> Luca Cistrone</a>, <a href="https://publications.waset.org/abstracts/search?q=Francesco%20Serra"> Francesco Serra</a>, <a href="https://publications.waset.org/abstracts/search?q=Giovanna%20Fusco"> Giovanna Fusco</a>, <a href="https://publications.waset.org/abstracts/search?q=Esterina%20De%20Carlo"> Esterina De Carlo</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Grazia%20Amoroso"> Maria Grazia Amoroso</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The question of the origin of SARS-CoV-2 and the cycle of transmission between humans and animals is still unanswered. One serious concern associated with the SARS-CoV-2 pandemic is that the virus might spill back from humans to wildlife, which would render some animal species reservoirs of the human virus. The aim of the present study is to monitor the potential risk of SARS-CoV-2 reverse infection from humans to bats, by performing bat surveillance from different sites in Central-Southern Italy. We collected 240 droppings or saliva from 129 bats and tested them using specific and general primers of SARS-COV-2 and coronaviruses respectively. All samples, including 127 nasal swabs and 113 fecal droppings resulted negative for SARS-COV-2, and these results were confirmed by testing the samples with the Droplet Digital PCR. Also, an end-point RT-PCR was performed and no sample showed specific bands. The absence of SARS-CoV-2 in the bats we surveyed is a first step towards a better understanding of reverse transmission to bats of this virus. We hope our first contribution will encourage the establishment of systematic surveillance of wildlife, and specifically bats, to help prevent reverse zoonotic episodes that would jeopardize human health as well as biodiversity conservation and management. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coronaviruses" title="coronaviruses">coronaviruses</a>, <a href="https://publications.waset.org/abstracts/search?q=bats" title=" bats"> bats</a>, <a href="https://publications.waset.org/abstracts/search?q=zoonotic%20viruses" title=" zoonotic viruses"> zoonotic viruses</a>, <a href="https://publications.waset.org/abstracts/search?q=spillback" title=" spillback"> spillback</a>, <a href="https://publications.waset.org/abstracts/search?q=SARS-CoV-2" title=" SARS-CoV-2"> SARS-CoV-2</a> </p> <a href="https://publications.waset.org/abstracts/150760/first-surveillance-results-bring-no-evidence-of-sars-cov-2-spillback-in-bats-of-central-southern-italy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/150760.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">119</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">32</span> Direct Visualization of Shear Induced Structures in Wormlike Micellar Solutions by Microfluidics and Advanced Microscopy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Carla%20Caiazza">Carla Caiazza</a>, <a href="https://publications.waset.org/abstracts/search?q=Valentina%20Preziosi"> Valentina Preziosi</a>, <a href="https://publications.waset.org/abstracts/search?q=Giovanna%20Tomaiuolo"> Giovanna Tomaiuolo</a>, <a href="https://publications.waset.org/abstracts/search?q=Denis%20O%27Sullivan"> Denis O'Sullivan</a>, <a href="https://publications.waset.org/abstracts/search?q=Vincenzo%20Guida"> Vincenzo Guida</a>, <a href="https://publications.waset.org/abstracts/search?q=Stefano%20Guido"> Stefano Guido</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the last decades, wormlike micellar solutions have been extensively used to tune the rheological behavior of home care and personal care products. This and other successful applications underlie the growing attention that both basic and applied research are devoting to these systems, and to their unique rheological and flow properties. One of the key research topics is the occurrence of flow instabilities at high shear rates (such as shear banding), with the possibility of appearance of flow induced structures. In this scenario, microfluidics is a powerful tool to get a deeper insight into the flow behavior of a wormlike micellar solution, as the high confinement of a microfluidic device facilitates the onset of the flow instabilities; furthermore, thanks to its small dimensions, it can be coupled with optical microscopy, allowing a direct visualization of flow structuring phenomena. Here, the flow of a widely used wormlike micellar solution through a glass capillary has been studied, by coupling the microfluidic device with μPIV techniques. The direct visualization of flow-induced structures and the flow visualization analysis highlight a relationship between solution structuring and the onset of discontinuities in the velocity profile. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flow%20instabilities" title="flow instabilities">flow instabilities</a>, <a href="https://publications.waset.org/abstracts/search?q=flow-induced%20structures" title=" flow-induced structures"> flow-induced structures</a>, <a href="https://publications.waset.org/abstracts/search?q=%CE%BCPIV" title=" μPIV"> μPIV</a>, <a href="https://publications.waset.org/abstracts/search?q=wormlike%20micelles" title=" wormlike micelles "> wormlike micelles </a> </p> <a href="https://publications.waset.org/abstracts/68641/direct-visualization-of-shear-induced-structures-in-wormlike-micellar-solutions-by-microfluidics-and-advanced-microscopy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/68641.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">346</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">31</span> Digital Preservation Policies in the Institutional Repositories of Brazilian Federal Universities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Laerte%20Pereira%20da%20Silva%20J%C3%BAnior">Laerte Pereira da Silva Júnior</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Manuel%20Borges"> Maria Manuel Borges</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Institutional Repositories (IR) are complex constructs that depend on political, cultural and technological aspects. Because IRs are a mirror of the organization's intellectual production, their main function is to make that production available worldwide, and also to consider its long term preservation. To this end, there is a need to define clearly the digital preservation policies supported by political decisions. There are several guidelines about the definition of digital preservation policies focusing in different themes from preservation planning to rights and restriction management, sustainability planning, etc., but this work aims to verify the implementation of digital preservation policies on the Institutional Repositories of the Federal Universities of Brazil. The methodology used was to check the information available on the websites of the IRs selected against two fields of the OpenDOAR, policies and OpenDOAR ID, to verify the existence of digital preservation policies. For this purpose a sample of the 21 of the 25 IRs registered at the Directory of Open Access Repositories (DOAR) was used, which is about 1/3 rd of the total of the brazilian universities. The 4 IRs that presented no information by the OpenDOAR team were desconsidered. The main conclusion is that most of the IRs of these universities have no polices clearly stated or no policies at all, and that there is a need to include these concerns at the top level management of IRs. The number of initiatives in digital preservation policies around the world stress the need of awareness of its importance in Brazil and requires measures to raise this awareness. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Brazil" title="Brazil">Brazil</a>, <a href="https://publications.waset.org/abstracts/search?q=digital%20preservation%20policies" title=" digital preservation policies"> digital preservation policies</a>, <a href="https://publications.waset.org/abstracts/search?q=institutional%20repositories" title=" institutional repositories"> institutional repositories</a>, <a href="https://publications.waset.org/abstracts/search?q=openDOAR" title=" openDOAR"> openDOAR</a> </p> <a href="https://publications.waset.org/abstracts/24896/digital-preservation-policies-in-the-institutional-repositories-of-brazilian-federal-universities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24896.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">535</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">30</span> Thermo-Oxidative Degradation of Asphalt Modified with High Density Polyethylene and Engine Oil</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Helder%20Shelton%20Abel%20Manguene">Helder Shelton Abel Manguene</a>, <a href="https://publications.waset.org/abstracts/search?q=Giovanna%20Buonocore"> Giovanna Buonocore</a>, <a href="https://publications.waset.org/abstracts/search?q=Herminio%20Francisco%20Muiambo"> Herminio Francisco Muiambo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Paved roads are designed for 10-15 years of life. However, many asphalted roads suffer degradation before reaching their lifetime due to aging caused by load conditions and climatic factors. Oxidation is the main asphalt aging mechanism, which leads to a reduced bond between aggregate particles, increasing the potential for stripping and moisture damage, decreasing fatigue lifetime and reducing resistance to thermal cracking. To improve the performance of asphalt and mitigate these problems, modifiers such as polymers, oils and certain residues have been used. This work aims to study the influence of the addition of high-density polyethylene (HDPE) and engine oil on the thermal stability of asphalt in an oxidizing atmosphere. For the study, compositions containing asphalt, motor oil and HDPE were prepared, varying the concentration of the motor oil by 2.5%, 5%, 7.5% and 10% and keeping the HDPE concentration fixed at 5%. The results show that the pure asphalt sample is degraded in a single step that starts at approximately 311 ºC; All samples of modified asphalt except the one that contains 5% of motor oil have three degradation steps that start below the starting temperature of degradation of pure asphalt (about 250-300 ºC); The temperature of onset of degradation of the modified asphalt is shown to decrease as the concentration of the motor oil increases, suggesting a slight loss of thermal stability of the asphalt as the quantity of the motor oil increases. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Asphalt" title="Asphalt">Asphalt</a>, <a href="https://publications.waset.org/abstracts/search?q=DTG" title=" DTG"> DTG</a>, <a href="https://publications.waset.org/abstracts/search?q=engine%20oil" title=" engine oil"> engine oil</a>, <a href="https://publications.waset.org/abstracts/search?q=HDPE" title=" HDPE"> HDPE</a>, <a href="https://publications.waset.org/abstracts/search?q=TGA" title=" TGA"> TGA</a> </p> <a href="https://publications.waset.org/abstracts/138431/thermo-oxidative-degradation-of-asphalt-modified-with-high-density-polyethylene-and-engine-oil" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/138431.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">211</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">29</span> Schizophrenia in Childhood and Adolescence: Research Topics and Applied Methodology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jhonas%20Geraldo%20Peixoto%20Flauzino">Jhonas Geraldo Peixoto Flauzino</a>, <a href="https://publications.waset.org/abstracts/search?q=Pedro%20Pompeo%20Boechat%20Araujo"> Pedro Pompeo Boechat Araujo</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexia%20Allis%20Rocha%20Lima"> Alexia Allis Rocha Lima</a>, <a href="https://publications.waset.org/abstracts/search?q=Giovanna%20Bi%C3%A2ngulo%20Lacerda%20Chaves"> Giovanna Biângulo Lacerda Chaves</a>, <a href="https://publications.waset.org/abstracts/search?q=Victor%20Ryan%20Ferr%C3%A3o%20Chaves"> Victor Ryan Ferrão Chaves</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Schizophrenia is characterized as a set of psychiatric signs and symptoms (syndrome) that commonly erupt in the stages of adolescence or early adulthood, being recognized as one of the most serious diseases, as it causes important problems during the life of the patient. carrier - both in mental health and in physical health and in social life. Objectives: This is an integrative literature review that aimed to verify what has been produced of scientific knowledge in the field of child and adolescent psychiatry regarding schizophrenia in these stages of life, correlated to the most discussed themes and methodologies of choice for the preparation of studies. Methods: Articles were selected from the following databases: Virtual Health Library and CAPES Journal Portal, published in the last five years; and on Google Scholar, published in 2021, totaling 62 works, searched in September 2021. Results: The studies focus mainly on diagnosis through the DSM-V (25.8%), on drug treatment (25.8%) and in psychotherapy (24.2%), most of them in the literature review format: integrative (27.4%) and systematic (24.2%). Conclusion: The themes and study methods are redundant, and do not cover in depth the immense aspects that encompass Schizophrenia in Childhood and Adolescence, giving attention to the disease in a general way or focusing on the adult patient. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=schizophrenia" title="schizophrenia">schizophrenia</a>, <a href="https://publications.waset.org/abstracts/search?q=mental%20health" title=" mental health"> mental health</a>, <a href="https://publications.waset.org/abstracts/search?q=childhood" title=" childhood"> childhood</a>, <a href="https://publications.waset.org/abstracts/search?q=adolescence" title=" adolescence"> adolescence</a> </p> <a href="https://publications.waset.org/abstracts/148255/schizophrenia-in-childhood-and-adolescence-research-topics-and-applied-methodology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/148255.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">183</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">28</span> Evaluation of Polyurethane-Bonded Particleboard Manufactured with Eucalyptus Sp. and Bi-Oriented Polypropylene Wastes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Laurenn%20Borges%20de%20Macedo">Laurenn Borges de Macedo</a>, <a href="https://publications.waset.org/abstracts/search?q=Fabiane%20Salles%20Ferro"> Fabiane Salles Ferro</a>, <a href="https://publications.waset.org/abstracts/search?q=Tiago%20Hendrigo%20de%20Almeida"> Tiago Hendrigo de Almeida</a>, <a href="https://publications.waset.org/abstracts/search?q=G%C3%A9rson%20Moreira%20de%20Lima"> Gérson Moreira de Lima</a>, <a href="https://publications.waset.org/abstracts/search?q=Andr%C3%A9%20Luiz%20Christoforo"> André Luiz Christoforo</a>, <a href="https://publications.waset.org/abstracts/search?q=Francisco%20Antonio%20Rocco%20Lahr"> Francisco Antonio Rocco Lahr</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The growth of the furniture manufacturing industry is one of the fundamental factors contributing to the growth of the particleboard industry. The use of recycled products into particleboards can contribute to the forest conservation, in addition to achieve a high quality sustainable product with low-cost production. This work investigates the effect of bi-oriented polypropylene (BOPP) waste particles and sealing product on the physical and mechanical properties of Eucalyptus sp. particleboards fabricated with a castor oil based polyurethane resin. Among the factors, only the seal coating was statistically significant. The wood panels of Treatment 2 were classified as H1, based on the internal bond strength and elastic modulus results data required by ANSI A208.1:1999. The bending strength data did not reach the minimum values recommended by NBR 14810:2006 and ANSI A208.1:1999. The thickness swelling data for 2h immersed in water achieved the standard requirement levels. High-density panels were achieved revealing their potential use in variety of particleboard applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=BOPP" title="BOPP">BOPP</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20properties" title=" mechanical properties"> mechanical properties</a>, <a href="https://publications.waset.org/abstracts/search?q=particleboards" title=" particleboards"> particleboards</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20properties" title=" physical properties"> physical properties</a> </p> <a href="https://publications.waset.org/abstracts/18395/evaluation-of-polyurethane-bonded-particleboard-manufactured-with-eucalyptus-sp-and-bi-oriented-polypropylene-wastes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18395.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">372</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">27</span> Qualitative Profiling Model and Competencies Evaluation to Fighting Unemployment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Francesca%20Carta">Francesca Carta</a>, <a href="https://publications.waset.org/abstracts/search?q=Giovanna%20Linfante"> Giovanna Linfante</a>, <a href="https://publications.waset.org/abstracts/search?q=Laura%20Agneni"> Laura Agneni</a>, <a href="https://publications.waset.org/abstracts/search?q=Debora%20%20Radicchia"> Debora Radicchia</a>, <a href="https://publications.waset.org/abstracts/search?q=Camilla%20Micheletta"> Camilla Micheletta</a>, <a href="https://publications.waset.org/abstracts/search?q=Angelo%20Del%20Cimmuto"> Angelo Del Cimmuto</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Overtaking competence mismatches and fostering career pathways congruent with the individual skills profile would significantly contribute to fighting unemployment. The aim of this paper is to examine the usefulness and efficiency of qualitative tools in supporting and improving the quality of caseworkers’ activities during the jobseekers’ profile analysis and career guidance process. The selected target groups are long-term and middle term unemployed, job seekers, young people at the end of the vocational training pathway and unemployed woman with social disadvantages. The experimentation is conducted in Italy at public employment services in 2017. In the framework of Italian labour market reform, the experimentation represents the first step to develop a customized qualitative model profiling; the final general object is to improve the public employment services quality. The experimentation tests the transferability of an OECD self-assessment competences tool in the Italian public employment services. On one hand, the first analysis results will indicate the user’s perception concerning the tool’s application and their different competence levels (literacy, numeracy, problem solving, career interest, subjective well-being and health, behavioural competencies) with reference to the specific target. On the other hand, the experimentation outcomes will show caseworkers understanding regarding the tool’s usability and efficiency for career guidance and reskilling and upskilling programs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=career%20guidance" title="career guidance">career guidance</a>, <a href="https://publications.waset.org/abstracts/search?q=evaluation%20competences" title=" evaluation competences"> evaluation competences</a>, <a href="https://publications.waset.org/abstracts/search?q=reskilling%20pathway" title=" reskilling pathway"> reskilling pathway</a>, <a href="https://publications.waset.org/abstracts/search?q=unemployment" title=" unemployment"> unemployment</a> </p> <a href="https://publications.waset.org/abstracts/82483/qualitative-profiling-model-and-competencies-evaluation-to-fighting-unemployment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82483.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">318</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">26</span> A Comparative Legal Enquiry on the Concept of Invention</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Giovanna%20Carugno">Giovanna Carugno</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The concept of invention is rarely scrutinized by legal scholars since it is a slippery one, full of nuances and difficult to be defined. When does an idea become relevant for the patent law? When is it simply possible to talk of what an invention is? It is the first question to be answered to obtain a patent, but it is sometimes neglected by treaties or reduced to very simple and automatically re-cited definitions. Maybe, also because it is more a transnational and cultural concept than a mere institution of law. Tautology is used to avoid the challenge (in the United States patent regulation, the inventor is the one who contributed to have a patentable invention); in other case, a clear definition is surprisingly not even provided (see, e.g., the European Patent Convention). In Europe, the issue is still more complicated because there are several different solutions elaborate inorganically be national systems of courts varying one to the other only with the aim of solving different IP cases. Also a neighbor domain, like copyright law, is not assisting us in the research, since an author in this field is entitles to be the 'inventor' or the 'author' and to protect as far as he produces something new. Novelty is not enough in patent law. A simple distinction between mere improvement that can be achieved by a man skilled in the art (a sort of reasonable man, in other sectors) or a change that is not obvious rising to the dignity of protection seems not going too far. It is not still defining this concept; it is rigid and not fruitful. So, setting aside for the moment the issue related to the definition of the invention/inventor, our proposal is to scrutinize the possible self-sufficiency of a system in which the inventor or the improver should be awarded of royalties or similar compensation according to the economic improvement he was able to bring. The law, in this case, is in the penumbras of misleading concepts, divided between facts that are obscure and technical, and not involving necessarily legal issues. The aim of this paper is to find out a single definition (or, at least, the minimum elements common in the different legal systems) of what is (legally) an invention and what can be the hints to practically identify an authentic invention. In conclusion, it will propose an alternative system in which the invention is not considered anymore and the only thing that matters are the revenues generated by technological improvement, caused by the worker's activity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=comparative%20law" title="comparative law">comparative law</a>, <a href="https://publications.waset.org/abstracts/search?q=intellectual%20property" title=" intellectual property"> intellectual property</a>, <a href="https://publications.waset.org/abstracts/search?q=invention" title=" invention"> invention</a>, <a href="https://publications.waset.org/abstracts/search?q=patents" title=" patents"> patents</a> </p> <a href="https://publications.waset.org/abstracts/75258/a-comparative-legal-enquiry-on-the-concept-of-invention" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75258.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">181</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">25</span> The Impact of Iso 9001 Certification on Brazilian Firms’ Performance: Insights from Multiple Case Studies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Matheus%20Borges%20Carneiro">Matheus Borges Carneiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Fabiane%20Leticia%20Lizarelli"> Fabiane Leticia Lizarelli</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20Carlos%20De%20%20Toledo"> José Carlos De Toledo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The evolution of quality management by companies was strongly enabled by, among others, ISO 9001 certification, which is considered a crucial requirement for several customers. Likewise, performance measurement provides useful insights for companies to identify the reflection of their decision-making process on their improvement. One of the most used performance measurement models is the balanced scorecard (BSC), which uses four perspectives to address a firm’s performance: financial, internal process, customer satisfaction, and learning and growth. Studies related to ISO 9001 and business performance have mostly adopted a quantitative approach to identify the standard’s causal effect on a firm’s performance. However, to verify how this influence may occur, an in-depth analysis within a qualitative approach is required. Therefore, this paper aims to verify the impact of ISO 9001:2015 on Brazilian firms’ performance based on the balanced scorecard perspective. Hence, nine certified companies located in the Southeast region of Brazil were studied through a multiple case study approach. Within this study, it was possible to identify the positive impact of ISO 9001 on firms’ overall performance, and four Critical Success Factors (CSFs) were identified as relevant on the linkage among ISO 9001 and firms’ performance: employee involvement, top management, process management, and customer focus. Due to the COVID-19 pandemic, the number of interviews was limited to the quality manager specialist, and the sample was limited since several companies were closed during the period of the study. This study presents an in-depth analysis of how the relationship between ISO 9001 certification and firms’ performance in a developing country is. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=balanced%20scorecard" title="balanced scorecard">balanced scorecard</a>, <a href="https://publications.waset.org/abstracts/search?q=Brazilian%20firms%E2%80%99%20performance" title=" Brazilian firms’ performance"> Brazilian firms’ performance</a>, <a href="https://publications.waset.org/abstracts/search?q=critical%20success%20factors" title=" critical success factors"> critical success factors</a>, <a href="https://publications.waset.org/abstracts/search?q=ISO%209001%20certification" title=" ISO 9001 certification"> ISO 9001 certification</a>, <a href="https://publications.waset.org/abstracts/search?q=performance%20measurement" title=" performance measurement"> performance measurement</a> </p> <a href="https://publications.waset.org/abstracts/135697/the-impact-of-iso-9001-certification-on-brazilian-firms-performance-insights-from-multiple-case-studies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135697.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">198</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">24</span> Polymer Mixing in the Cavity Transfer Mixer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Giovanna%20Grosso">Giovanna Grosso</a>, <a href="https://publications.waset.org/abstracts/search?q=Martien%20A.%20Hulsen"> Martien A. Hulsen</a>, <a href="https://publications.waset.org/abstracts/search?q=Arash%20Sarhangi%20Fard"> Arash Sarhangi Fard</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrew%20Overend"> Andrew Overend</a>, <a href="https://publications.waset.org/abstracts/search?q=Patrick.%20D.%20Anderson"> Patrick. D. Anderson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In many industrial applications and, in particular in polymer industry, the quality of mixing between different materials is fundamental to guarantee the desired properties of finished products. However, properly modelling and understanding polymer mixing often presents noticeable difficulties, because of the variety and complexity of the physical phenomena involved. This is the case of the Cavity Transfer Mixer (CTM), for which a clear understanding of mixing mechanisms is still missing, as well as clear guidelines for the system optimization. This device, invented and patented by Gale at Rapra Technology Limited, is an add-on to be mounted downstream of existing extruders, in order to improve distributive mixing. It consists of two concentric cylinders, the rotor and stator, both provided with staggered rows of hemispherical cavities. The inner cylinder (rotor) rotates, while the outer (stator) remains still. At the same time, the pressure load imposed upstream, pushes the fluid through the CTM. Mixing processes are driven by the flow field generated by the complex interaction between the moving geometry, the imposed pressure load and the rheology of the fluid. In such a context, the present work proposes a complete and accurate three dimensional modelling of the CTM and results of a broad range of simulations assessing the impact on mixing of several geometrical and functioning parameters. Among them, we find: the number of cavities per row, the number of rows, the size of the mixer, the rheology of the fluid and the ratio between the rotation speed and the fluid throughput. The model is composed of a flow part and a mixing part: a finite element solver computes the transient velocity field, which is used in the mapping method implementation in order to simulate the concentration field evolution. Results of simulations are summarized in guidelines for the device optimization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mixing" title="Mixing">Mixing</a>, <a href="https://publications.waset.org/abstracts/search?q=non-Newtonian%20fluids" title=" non-Newtonian fluids"> non-Newtonian fluids</a>, <a href="https://publications.waset.org/abstracts/search?q=polymers" title=" polymers"> polymers</a>, <a href="https://publications.waset.org/abstracts/search?q=rheology." title=" rheology."> rheology.</a> </p> <a href="https://publications.waset.org/abstracts/43521/polymer-mixing-in-the-cavity-transfer-mixer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43521.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">379</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">23</span> Histological Characteristics of the Organs of Adult Zebrafish as a Biomarker for the Study of New Drugs with Effect on the Snake Venom of Bothrops alternatus</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jose%20Carlos%20Tavares%20Carvalho">Jose Carlos Tavares Carvalho</a>, <a href="https://publications.waset.org/abstracts/search?q=Hady%20Keita"> Hady Keita</a>, <a href="https://publications.waset.org/abstracts/search?q=Giovanna%20Rocha%20Santana"> Giovanna Rocha Santana</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Victor%20Ferreira%20Dos%20Santos"> Igor Victor Ferreira Dos Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Jesus%20Rafael%20Rodriguez%20Amado"> Jesus Rafael Rodriguez Amado</a>, <a href="https://publications.waset.org/abstracts/search?q=Ariadna%20Lafourcade%20Prada"> Ariadna Lafourcade Prada</a>, <a href="https://publications.waset.org/abstracts/search?q=Adriana%20Maciel%20Ferreira"> Adriana Maciel Ferreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Helison%20Oliveira"> Helison Oliveira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Summary: As animal model, zebrafish can be a good opportunity to establish a profile of tissue alteration caused by Bothrops alternatus venom and to screen new anti-venom drugs. Objective: To establish tissue biomarkers from zebrafish injected by snake venom and elucidate the use of glucocorticoids in ophidic accidents. Materials and Methods: The Danio rerio fish were randomly divided into four groups: control group, venom group, Dexamethasone1h before venom injected group and Dexamethasone 1 h after venom injected group. The concentration of Bothrops alternatus venom was 0.13 mg/ml and the fish received 20µl/Fish. The Body weight measurement and histological characteristics of gills, kidneys, liver, and intestine were determinate. Results: Physical analysis shows necrosis accompanied by inflammation in animals receiving the Bothrops alternatus venom. Significant difference was observed in the variation of weight between the control group, and the groups received the venom (t student test, p < 0.05). The average histological alterations index of gill, liver, kidney or intestine was statistically higher in animals received the venom (t Student test, p < 0.05). The alterations were lower in the groups that received Dexamethasone 1h before and after venom injected compared to the group that received only the venom. Dexamethasone 1h before venom injected group had minor histopathological alterations. Conclusion: The organs of zebrafish may be a tissue biomarker of alterations from Bothrops alternatus venom and dexamethasone reduced the damage caused by this venom in the organs studied, which may suggest the use of zebrafish as animal model for research related to screening new drug against snake venom. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=zebrafish" title="zebrafish">zebrafish</a>, <a href="https://publications.waset.org/abstracts/search?q=snake%20venom" title=" snake venom"> snake venom</a>, <a href="https://publications.waset.org/abstracts/search?q=biomarker" title=" biomarker"> biomarker</a>, <a href="https://publications.waset.org/abstracts/search?q=drugs" title=" drugs"> drugs</a> </p> <a href="https://publications.waset.org/abstracts/53757/histological-characteristics-of-the-organs-of-adult-zebrafish-as-a-biomarker-for-the-study-of-new-drugs-with-effect-on-the-snake-venom-of-bothrops-alternatus" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/53757.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">328</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">22</span> Technological Developments to Reduce Wind Blade Turbine Levelized Cost of Energy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pedro%20Miguel%20Cardoso%20Carneiro">Pedro Miguel Cardoso Carneiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Ricardo%20Andr%C3%A9%20Nunes%20Borges"> Ricardo André Nunes Borges</a>, <a href="https://publications.waset.org/abstracts/search?q=Jo%C3%A3o%20Pedro%20Soares%20Loureiro"> João Pedro Soares Loureiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Herm%C3%ADnio%20Maio%20Gra%C3%A7a%20Fernandes"> Hermínio Maio Graça Fernandes</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Wind energy has been exponentially growing over the last years and will allow countries to progress regarding the decarbonization objective. In parallel, the maintenance activities have also been increasing in consequence of ageing and deterioration of the wind farms. The time available for wind blade maintenance is given by the weather window that is based upon weather conditions. Most of the wind blade repair and maintenance activities require a narrow window of temperature and humidity. Due to this limitation, the current weather windows result only on approximately 35% days/year are used for maintenance, that takes place mostly during summertime. This limitation creates large economic losses in the energy production of the wind towers, since they can be inoperative or with the energy production output reduced for days or weeks due to existing damages. Another important aspect is that the maintenance costs are higher due to the high standby time and seasonality imposed on the technicians. To reduce the relevant maintenance costs of blades and energy loses some technological developments were carried out to significantly improve this reality. The focus of this activity was to develop a series of key developments to have in the near future a suspended access equipment that can operate in harsh conditions, wind rain, cold/hot environment. To this end we have identified key areas that need to be revised and require new solutions to be found; a habitat system, multi-configurable roof and floor, roof and floor interface to blade, secondary attachment solutions to the blade and to the tower. On this paper we will describe the advances produced during a national R&D project made in partnership with an end-user (Onrope) and a test center (ISQ). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wind%20turbine%20maintenance" title="wind turbine maintenance">wind turbine maintenance</a>, <a href="https://publications.waset.org/abstracts/search?q=cost%20reduction" title=" cost reduction"> cost reduction</a>, <a href="https://publications.waset.org/abstracts/search?q=technological%20innovations" title=" technological innovations"> technological innovations</a>, <a href="https://publications.waset.org/abstracts/search?q=wind%20turbine%20blade" title=" wind turbine blade"> wind turbine blade</a> </p> <a href="https://publications.waset.org/abstracts/150262/technological-developments-to-reduce-wind-blade-turbine-levelized-cost-of-energy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/150262.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">93</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">21</span> Prioritizing Forest Conservation Strategies Using a Multi-Attribute Decision Model to Address Concerns with the Survival of the Endangered Dragon Tree (Dracaena ombet Kotschy and Peyr.)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tesfay%20Gidey">Tesfay Gidey</a>, <a href="https://publications.waset.org/abstracts/search?q=Emiru%20Birhane"> Emiru Birhane</a>, <a href="https://publications.waset.org/abstracts/search?q=Ashenafi%20Manaye"> Ashenafi Manaye</a>, <a href="https://publications.waset.org/abstracts/search?q=Hailemariam%20Kassa"> Hailemariam Kassa</a>, <a href="https://publications.waset.org/abstracts/search?q=Tesfay%20Atsbha"> Tesfay Atsbha</a>, <a href="https://publications.waset.org/abstracts/search?q=Negasi%20Solomon"> Negasi Solomon</a>, <a href="https://publications.waset.org/abstracts/search?q=Hadgu%20Hishe"> Hadgu Hishe</a>, <a href="https://publications.waset.org/abstracts/search?q=Aklilu%20Negussie"> Aklilu Negussie</a>, <a href="https://publications.waset.org/abstracts/search?q=Petr%20Madera"> Petr Madera</a>, <a href="https://publications.waset.org/abstracts/search?q=Jose%20G.%20Borges"> Jose G. Borges</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The globally endangered Dracaena ombet is one of the ten dragon multipurpose tree species in arid ecosystems. Anthropogenic and natural factors are now impacting the sustainability of the species. This study was conducted to prioritize criteria and alternative strategies for the conservation of the species using the analytical hierarchy process (AHP) model by involving all relevant stakeholders in the Desa'a dry Afromontane forest in northern Ethiopia. Information about the potential alternative strategies and the criteria for their evaluation was first collected from experts, personal experiences, and literature reviews. Afterward, they were validated using stakeholders' focus group discussions. Five candidate strategies with three evaluation criteria were considered for prioritization using the AHP techniques. The overall priority ranking value of the stakeholders showed that the ecological criterion was deemed as the most essential factor for the choice of alternative strategies, followed by the economic and social criteria. The minimum cut-off strategy, combining exclosures with the collection of only 5% of plant parts from the species, soil and water conservation, and silviculture interventions, was selected as the best alternative strategy for sustainable D. ombet conservation. The livelihood losses due to the selected strategy should be compensated by the collection of non-timber forest products, poultry farming, home gardens, rearing small ruminants, beekeeping, and agroforestry. This approach may be extended to study other dragon tree species and explore strategies for the conservation of other arid ecosystems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=conservation%20strategies" title="conservation strategies">conservation strategies</a>, <a href="https://publications.waset.org/abstracts/search?q=analytical%20hierarchy%20process%20model" title=" analytical hierarchy process model"> analytical hierarchy process model</a>, <a href="https://publications.waset.org/abstracts/search?q=Desa%27a%20forest" title=" Desa'a forest"> Desa'a forest</a>, <a href="https://publications.waset.org/abstracts/search?q=endangered%20species" title=" endangered species"> endangered species</a>, <a href="https://publications.waset.org/abstracts/search?q=Ethiopia" title=" Ethiopia"> Ethiopia</a>, <a href="https://publications.waset.org/abstracts/search?q=overexploitation" title=" overexploitation"> overexploitation</a> </p> <a href="https://publications.waset.org/abstracts/174113/prioritizing-forest-conservation-strategies-using-a-multi-attribute-decision-model-to-address-concerns-with-the-survival-of-the-endangered-dragon-tree-dracaena-ombet-kotschy-and-peyr" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/174113.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">93</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">20</span> Proprotein Convertase Subtilisin/Kexin Type 9 Enhances Arterial Medial Calcification in a Uremic Rat Model of Chronic Kidney Disease</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maria%20Giovanna%20Lupo">Maria Giovanna Lupo</a>, <a href="https://publications.waset.org/abstracts/search?q=Marina%20Camera"> Marina Camera</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcello%20Rattazzi"> Marcello Rattazzi</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicola%20Ferri"> Nicola Ferri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A complex interplay among chronic kidney disease, lipid metabolism and aortic calcification has been recognized starting from results of many clinical and experimental studies. Here we investigated the influence of kidney function on PCSK9 levels, both in uremic rats and in clinical observation study, and its potential direct action on cultured smooth muscle cells (SMCs) calcification. In a cohort of 594 subjects enrolled in a single centre, observational, cross-sectional and longitudinal study, a negative association between GFR and plasma PCSK9 was found. Atherosclerotic cardiovascular disease (ASCVD), as co-morbidity, further increased PCSK9 plasma levels. Diet-induced uremic condition in rats, induced aortic calcification and increased total cholesterol and PCSK9 levels in plasma, livers and kidneys. Immunohistochemical analysis confirmed PCSK9 expression in aortic SMCs. SMCs overexpressing PCSK9 (SMCsPCSK9), cultured for 7-days in a pro-calcification environment (2.0mM or 2.4mM inorganic phosphate, Pi) showed a significantly higher extracellular calcium (Ca2+) deposition compared to mocked SMCs. Under the same experimental conditions, the addition of exogenous recombinant PCSK9 did not increase the extracellular calcification of SMCs. By flow cytometry analysis we showed that SMCsPCSK9, in response to 2.4mM Pi, released higher number of extracellular vesicles (EVs) positive for three tetraspanin molecules, such as CD63, CD9, and CD81. EVs derived from SMCsPCSK9 tended to be more enriched in calcium and alkaline phosphatase (ALPL), compared to EVs from mocks SMCs. In conclusion, our study reveals a direct role of PCSK9 on vascular calcification induced by higher inorganic phosphate levels associated to CKD condition. This effect appears to be mediated by a positive effect of endogenous PCSK9 on the release of EVs containing Ca2+ and ALP, which facilitate the deposition inorganic calcium phosphate crystals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=PCSK9" title="PCSK9">PCSK9</a>, <a href="https://publications.waset.org/abstracts/search?q=calcification" title=" calcification"> calcification</a>, <a href="https://publications.waset.org/abstracts/search?q=extracellular%20vesicles" title=" extracellular vesicles"> extracellular vesicles</a>, <a href="https://publications.waset.org/abstracts/search?q=chronic%20kidney%20disease" title=" chronic kidney disease "> chronic kidney disease </a> </p> <a href="https://publications.waset.org/abstracts/127926/proprotein-convertase-subtilisinkexin-type-9-enhances-arterial-medial-calcification-in-a-uremic-rat-model-of-chronic-kidney-disease" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/127926.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">114</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">19</span> Enhanced Kinetic Solubility Profile of Epiisopiloturine Solid Solution in Hipromellose Phthalate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amanda%20C.%20Q.%20M.%20Vieira">Amanda C. Q. M. Vieira</a>, <a href="https://publications.waset.org/abstracts/search?q=Cybelly%20M.%20Melo"> Cybelly M. Melo</a>, <a href="https://publications.waset.org/abstracts/search?q=Camila%20B.%20M.%20Figueir%C3%AAdo"> Camila B. M. Figueirêdo</a>, <a href="https://publications.waset.org/abstracts/search?q=Giovanna%20C.%20R.%20M.%20Schver"> Giovanna C. R. M. Schver</a>, <a href="https://publications.waset.org/abstracts/search?q=Salvana%20P.%20M.%20Costa"> Salvana P. M. Costa</a>, <a href="https://publications.waset.org/abstracts/search?q=Magaly%20A.%20M.%20de%20Lyra"> Magaly A. M. de Lyra</a>, <a href="https://publications.waset.org/abstracts/search?q=Ping%20I.%20Lee"> Ping I. Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20L.%20Soares-Sobrinho"> José L. Soares-Sobrinho</a>, <a href="https://publications.waset.org/abstracts/search?q=Pedro%20J.%20Rolim-Neto"> Pedro J. Rolim-Neto</a>, <a href="https://publications.waset.org/abstracts/search?q=M%C3%B4nica%20F.%20R.%20Soares"> Mônica F. R. Soares</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Epiisopiloturine (EPI) is a drug candidate that is extracted from Pilocarpus microphyllus and isolated from the waste of Pilocarpine. EPI has demonstrated promising schistosomicidal, leishmanicide, anti-inflammatory and antinociceptive activities, according to in vitro studies that have been carried out since 2009. However, this molecule shows poor aqueous solubility, which represents a problem for the release of the drug candidate and its absorption by the organism. The purpose of the present study is to investigate the extent of enhancement of kinetic solubility of a solid solution (SS) of EPI in hipromellose phthalate HP-55 (HPMCP), an enteric polymer carrier. SS was obtained by the solvent evaporation methodology, using acetone/methanol (60:40) as solvent system. Both EPI and polymer (drug loading 10%) were dissolved in this solvent until a clear solution was obtained, and then dried in oven at 60ºC during 12 hours, followed by drying in a vacuum oven for 4 h. The results show a considerable modification in the crystalline structure of the drug candidate. For instance, X-ray diffraction (XRD) shows a crystalline behavior for the EPI, which becomes amorphous for the SS. Polarized light microscopy, a more sensitive technique than XRD, also shows completely absence of crystals in SS sample. Differential Scanning Calorimetric (DSC) curves show no signal of EPI melting point in SS curve, indicating, once more, no presence of crystal in this system. Interaction between the drug candidate and the polymer were found in Infrared microscopy, which shows a carbonyl 43.3 cm-1 band shift, indicating a moderate-strong interaction between them, probably one of the reasons to the SS formation. Under sink conditions (pH 6.8), EPI SS had its dissolution performance increased in 2.8 times when compared with the isolated drug candidate. EPI SS sample provided a release of more than 95% of the drug candidate in 15 min, whereas only 45% of EPI (alone) could be dissolved in 15 min and 70% in 90 min. Thus, HPMCP demonstrates to have a good potential to enhance the kinetic solubility profile of EPI. Future studies to evaluate the stability of SS are required to conclude the benefits of this system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=epiisopiloturine" title="epiisopiloturine">epiisopiloturine</a>, <a href="https://publications.waset.org/abstracts/search?q=hipromellose%20phthalate%20HP-55" title=" hipromellose phthalate HP-55"> hipromellose phthalate HP-55</a>, <a href="https://publications.waset.org/abstracts/search?q=pharmaceuticaltechnology" title=" pharmaceuticaltechnology"> pharmaceuticaltechnology</a>, <a href="https://publications.waset.org/abstracts/search?q=solubility" title=" solubility"> solubility</a> </p> <a href="https://publications.waset.org/abstracts/25673/enhanced-kinetic-solubility-profile-of-epiisopiloturine-solid-solution-in-hipromellose-phthalate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25673.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">607</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">18</span> Analysis of Genic Expression of Honey Bees Exposed to Sublethal Pesticides Doses Using the Transcriptome Technique</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ricardo%20de%20Oliveira%20Orsi">Ricardo de Oliveira Orsi</a>, <a href="https://publications.waset.org/abstracts/search?q=Aline%20Astolfi"> Aline Astolfi</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Diego%20Mendes"> Daniel Diego Mendes</a>, <a href="https://publications.waset.org/abstracts/search?q=Isabella%20Cristina%20de%20Castro%20Lippi"> Isabella Cristina de Castro Lippi</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaine%20da%20Luz%20Scheffer"> Jaine da Luz Scheffer</a>, <a href="https://publications.waset.org/abstracts/search?q=Yan%20Souza%20Lima"> Yan Souza Lima</a>, <a href="https://publications.waset.org/abstracts/search?q=Juliana%20Lunardi"> Juliana Lunardi</a>, <a href="https://publications.waset.org/abstracts/search?q=Giovanna%20do%20Padro%20Ribeiro"> Giovanna do Padro Ribeiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Samir%20Moura%20Kadri"> Samir Moura Kadri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> NECTAR Brazilian group (Center of Education, Science, and Technology in Rational Beekeeping) conducted studies on the pesticides honey bees effects using the transcriptome sequencing (RNA-Seq) analyzes for gene expression studies. In this way, we analyzed the effects of Pyraclostrobin and Fipronil on the honey bees with 21 old-days (forager) in laboratory conditions. For this, frames containing sealed brood were removed from the beehives and maintenance on the stove (32°C and 75% humidity) until the bees were born. So, newly emerged workers were marked on the pronotum with a non-toxic pen and reintroduced into their original hives. After 21 days, 120 marked bees were collected with an entomological forces and immediately stored in Petri dishes, perforated to ensure ventilation, and kept fasted for 3 hours. These honeybees were exposed to food contaminated or not with the sublethal dose of Pyraclostrobin (850 ppb/bee) or Fipronil (2.5 ppb/bee). After four hours of exposure, 15 bees from each treatment were referred to transcriptome analysis. Total RNA analysis was extracted from the brain pools (03 brains per pool) using the TRIzol® reagent protocol according to the manufacturer's instructions. cDNA libraries were constructed, and the FASTQC program was used to check adapter content and assess the quality of raw reads. Differential expression analysis was performed with the DESeq2 package. Genes that had an adjusted value of less than 0.05 were considered to be significantly up-regulated. Regarding the Pyraclostrobin, alterations were observed in the pattern of 17 gene related to of antioxidant system, cellular respiration, glucose metabolism, and regulation of juvenile hormone and the hormone insulin. Glyphosate altered the 10 gene related to the digestive system, exoskeleton composition, vitamin E transport, and antioxidant system. The results indicate that the necessity of studies using the sublethal doses to evaluate the pesticides uses and risks on crops and its effects on the honey bees. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=beekeeping" title="beekeeping">beekeeping</a>, <a href="https://publications.waset.org/abstracts/search?q=honey%20bees" title=" honey bees"> honey bees</a>, <a href="https://publications.waset.org/abstracts/search?q=pesticides" title=" pesticides"> pesticides</a>, <a href="https://publications.waset.org/abstracts/search?q=transcriptome" title=" transcriptome"> transcriptome</a> </p> <a href="https://publications.waset.org/abstracts/146544/analysis-of-genic-expression-of-honey-bees-exposed-to-sublethal-pesticides-doses-using-the-transcriptome-technique" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/146544.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">125</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">17</span> Characterization of a Mesenchymal Stem Cells Pool in Killian Nasal Polyp</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Emanuela%20Chiarella">Emanuela Chiarella</a>, <a href="https://publications.waset.org/abstracts/search?q=Clelia%20Nistic%C3%B2"> Clelia Nisticò</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicola%20Lombardo"> Nicola Lombardo</a>, <a href="https://publications.waset.org/abstracts/search?q=Giovanna%20Lucia%20Piazzetta"> Giovanna Lucia Piazzetta</a>, <a href="https://publications.waset.org/abstracts/search?q=Nadia%20Lobello"> Nadia Lobello</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Mesuraca"> Maria Mesuraca</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Killian’s Antrochoanal Polyp is a benign lesion of the maxillary sinus characterized by unilateral nasal obstruction, pus discharge, and headache. It affects, more commonly children and young adults. Although its etiology still remains unclear, chronic inflammation, autoreactivity, allergies, and viral infections are strongly associated with its formation and development, resulting in nasal tissue remodeling. We aimed to investigate the stem cells components which reside in this pathological tissue. In particular, we adopted a protocol for the isolation and culturing of mesenchymal stem cells from surgical biopsies of three Killian nasal polyp patients (KNP-MSCs) as well as from their healthy nasal tissue (HNT-MSCs) that were used as controls. The immunophenotype profile of HNT-MSCs and KNP-MSCs was more similar, with a marked positivity for CD73, CD90, and CD105 expression, while being negative for CD34 and CD14 haematopoietic genes. Cell proliferation assay showed that KNP-MSCs had a replicative disadvantage compared to HNT-MSCs, as evidenced by the significantly lower number of cells in the S-phase of the cell cycle. KNP-MSCs also took longer to close a wound than HNT-MSCs, indicating a partial epithelial phenotype in which low levels of ICAM-1 mRNA and a significant increase in E-CAD transcript were detectable. Subsequently, the differentiation potential of both MSCs populations was analyzed by inducing osteoblastic or adipocyte differentiation for up to 20 days. KNP-MSCs showed the ability to differentiate into osteoblasts, although ALP activity as well as the number and size of calcium deposits were lower than osteogenic induced-HNT-MSCs. Also, mRNA levels of osteoblastic marker genes (OCN, OPN, OSX, RUNX2) resulted lower compared to control cell population. Instead, the analysis of the adipogenic differentiation potential showed a similar behavior between KNP-MSCs and HNT-MSCs considering that the amount of lipid droplets, the expression of adipocyte-specific genes (FABP4, AdipoQ, PPARγ2, LPL) and the content of triacylglycerols were almost overlapping. Taken together, these results first demonstrated that Killian's nasal polyp is a source of mesenchymal stem cells with self-renewal and multi-differentiative capabilities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mesenchymal%20stem%20cells" title="Mesenchymal stem cells">Mesenchymal stem cells</a>, <a href="https://publications.waset.org/abstracts/search?q=adipogenic%20differentiation" title=" adipogenic differentiation"> adipogenic differentiation</a>, <a href="https://publications.waset.org/abstracts/search?q=osteogenic%20differentiation" title=" osteogenic differentiation"> osteogenic differentiation</a>, <a href="https://publications.waset.org/abstracts/search?q=EMT" title=" EMT"> EMT</a> </p> <a href="https://publications.waset.org/abstracts/161656/characterization-of-a-mesenchymal-stem-cells-pool-in-killian-nasal-polyp" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161656.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">77</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">16</span> Piaui Solar: State Development Impulsed by Solar Photovoltaic Energy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amanda%20Maria%20Rodrigues%20Barroso">Amanda Maria Rodrigues Barroso</a>, <a href="https://publications.waset.org/abstracts/search?q=Ary%20Paixao%20Borges%20Santana%20Junior"> Ary Paixao Borges Santana Junior</a>, <a href="https://publications.waset.org/abstracts/search?q=Caio%20Araujo%20Damasceno"> Caio Araujo Damasceno</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In Piauí, the Brazilian state, solar energy has become one of the renewable sources targeted by internal and external investments, with the intention of leveraging the development of society. However, for a residential or business consumer to be able to deploy this source, there is usually a need for a high initial investment due to its high cost. The countless high taxes on equipment and services are one of the factors that contribute to this cost and ultimately fall on the consumer. Through analysis, a way of reducing taxes is sought in order to encourage consumer adhesion to the use of photovoltaic solar energy. Thus, the objective is to implement the Piauí Solar Program in the state of Piauí in order to stimulate the deployment of photovoltaic solar energy, through benefits granted to users, providing state development by boosting the diversification of the state's energy matrix. The research method adopted was based on the analysis of data provided by the Teresina City Hall, by the Brazilian Institute of Geography and Statistics and by a private company in the capital of Piauí. The account was taken of the total amount paid in Property and Urban Territorial Property Tax (IPTU), in electricity and in the service of installing photovoltaic panels in a residence with 6 people. Through Piauí Solar, a discount of 80% would be applied to the taxes present in the budgets regarding the implementation of these photovoltaic plates in homes and businesses, as well as in the IPTU. In addition, another factor also taken into account is the energy savings generated after the implementation of these boards. In the studied residence, the annual payment of IPTU went from R $ 99.83 reais to R $ 19.96, the reduction of taxes present in the budget for the implantation of solar panels, caused the value to increase from R $ 42,744.22 to R $ 37,241.98. The annual savings in electricity bills were estimated at around R $ 6,000. Therefore, there is a reduction of approximately 24% in the total invested. The trend of the Piauí Solar program, then, is to bring benefits to the state, providing an improvement in the living conditions of the population, through the savings generated by this program. In addition, an increase in the diversification of the Piauí energy matrix can be seen with the advancement of the use of this renewable energy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=development" title="development">development</a>, <a href="https://publications.waset.org/abstracts/search?q=economy" title=" economy"> economy</a>, <a href="https://publications.waset.org/abstracts/search?q=energy" title=" energy"> energy</a>, <a href="https://publications.waset.org/abstracts/search?q=taxes" title=" taxes"> taxes</a> </p> <a href="https://publications.waset.org/abstracts/122454/piaui-solar-state-development-impulsed-by-solar-photovoltaic-energy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/122454.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">137</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">15</span> Obtainment of Systems with Efavirenz and Lamellar Double Hydroxide as an Alternative for Solubility Improvement of the Drug</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Danilo%20A.%20F.%20Fontes">Danilo A. F. Fontes</a>, <a href="https://publications.waset.org/abstracts/search?q=Magaly%20A.%20M.Lyra"> Magaly A. M.Lyra</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20L.%20C.%20Moura"> Maria L. C. Moura</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20R.%20M.%20Ferraz"> Leslie R. M. Ferraz</a>, <a href="https://publications.waset.org/abstracts/search?q=Salvana%20P.%20M.%20Costa"> Salvana P. M. Costa</a>, <a href="https://publications.waset.org/abstracts/search?q=Amanda%20C.%20Q.%20M.%20Vieira"> Amanda C. Q. M. Vieira</a>, <a href="https://publications.waset.org/abstracts/search?q=Larissa%20A.%20Rolim"> Larissa A. Rolim</a>, <a href="https://publications.waset.org/abstracts/search?q=Giovanna%20C.%20R.%20M.%20Schver"> Giovanna C. R. M. Schver</a>, <a href="https://publications.waset.org/abstracts/search?q=Ping%20I.%20Lee"> Ping I. Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Severino%20Alves-J%C3%BAnior"> Severino Alves-Júnior</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20L.%20Soares-Sobrinho"> José L. Soares-Sobrinho</a>, <a href="https://publications.waset.org/abstracts/search?q=Pedro%20J.%20Rolim-Neto"> Pedro J. Rolim-Neto </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Efavirenz (EFV) is a first-choice drug in antiretroviral therapy with high efficacy in the treatment of infection by Human Immunodeficiency Virus, which causes Acquired Immune Deficiency Syndrome (AIDS). EFV has low solubility in water resulting in a decrease in the dissolution rate and, consequently, in its bioavailability. Among the technological alternatives to increase solubility, the Lamellar Double Hydroxides (LDH) have been applied in the development of systems with poorly water-soluble drugs. The use of analytical techniques such as X-Ray Diffraction (XRD), Infrared Spectroscopy (IR) and Differential Scanning Calorimetry (DSC) allowed the elucidation of drug interaction with the lamellar compounds. The objective of this work was to characterize and develop the binary systems with EFV and LDH in order to increase the solubility of the drug. The LDH-CaAl was synthesized by the method of co-precipitation from salt solutions of calcium nitrate and aluminum nitrate in basic medium. The systems EFV-LDH and their physical mixtures (PM) were obtained at different concentrations (5-60% of EFV) using the solvent technique described by Takahashi & Yamaguchi (1991). The characterization of the systems and the PM’s was performed by XRD techniques, IR, DSC and dissolution test under non-sink conditions. The results showed improvements in the solubility of EFV when associated with LDH, due to a possible change in its crystal structure and formation of an amorphous material. From the DSC results, one could see that the endothermic peak at 173°C, temperature that correspond to the melting process of EFZ in the crystal form, was present in the PM results. For the EFZ-LDH systems (with 5, 10 and 30% of drug loading), this peak was not observed. XRD profiles of the PM showed well-defined peaks for EFV. Analyzing the XRD patterns of the systems, it was found that the XRD profiles of all the systems showed complete attenuation of the characteristic peaks of the crystalline form of EFZ. The IR technique showed that, in the results of the PM, there was the appearance of one band and overlap of other bands, while the IR results of the systems with 5, 10 and 30% drug loading showed the disappearance of bands and a few others with reduced intensity. The dissolution test under non-sink conditions showed that systems with 5, 10 and 30% drug loading promoted a great increase in the solubility of EFV, but the system with 10% of drug loading was the only one that could keep substantial amount of drug in solution at different pHs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Efavirenz" title="Efavirenz">Efavirenz</a>, <a href="https://publications.waset.org/abstracts/search?q=Lamellar%20Double%20Hydroxides" title=" Lamellar Double Hydroxides"> Lamellar Double Hydroxides</a>, <a href="https://publications.waset.org/abstracts/search?q=Pharmaceutical%20Techonology" title=" Pharmaceutical Techonology"> Pharmaceutical Techonology</a>, <a href="https://publications.waset.org/abstracts/search?q=Solubility" title=" Solubility"> Solubility</a> </p> <a href="https://publications.waset.org/abstracts/25692/obtainment-of-systems-with-efavirenz-and-lamellar-double-hydroxide-as-an-alternative-for-solubility-improvement-of-the-drug" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25692.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">583</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">14</span> Women’s Sport on the Brazilian Governmental Agenda</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Giovanna%20X.%20De%20Moura">Giovanna X. De Moura</a>, <a href="https://publications.waset.org/abstracts/search?q=Fernando%20A.%20Starepravo"> Fernando A. Starepravo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In recent years, the discussion of women in sports has been part of the political agenda in several countries. However, in the Brazilian scope, it is possible to say that women's sport has not become a social problem recognized by political actors and, therefore, it has not entered the country's governmental agenda. Thus, this work aimed to analyze why sport for women is not on the Brazilian government's agenda. For this, it was interviewed six women considered to be stakeholders in sports, that is, women who influence or are influenced by sports. The interviews were based on a semi-structured script and carried out in the year 2022. Due to the difficulties of commuting and of the schedule of the interviewees, some interviews were carried out in person, others by video call or telephone and others by WhatsApp. The interviews were transcribed and analyzed using Bardin's Content Analysis. As a result, from the stakeholders' perception, it was ascertained that women's sport is not considered a political problem because both sport and politics are considered masculinized fields, making it difficult for women to be present in both spaces. Besides, not only the sport of women but sport in general, is seen as just a marketing tool and a way of getting financial return for companies, being neglected in government plans. Due to this fact, private institutions, corporative means, federations and confederations have been mobilized in the creation of policies that seek changes in the current scenario. Despite this, two PLs (PL 6263/2019 and PL 5297/2020) have been in the process since 2019 but have not been approved yet due to the failure to submit amendments within the established deadline. In order to change this reality, the ones surveyed suggested that there should be not only different types of women represented on the most varied fronts of sports but also more visibility of the issue of women in this field. Furthermore, they mentioned the importance of the creation of specific plans and policies that guarantee a safe place for women and that are consolidated as State policies. In addition, the need for more women in political decision-making positions was also mentioned. It was concluded that women's sport appears on the agenda at a secondary level since it is included on the legislative, and political agenda but not in the executive branch. In addition, there is not enough movement and mobilization in favor of women's sports for it to become a discussion in the field of politics. Regarding the Multiple Streams Model, women's sport is present only in the ideas stream, as there are solutions and ideas for improvements in this field. Finally, it was pointed that there is still a strong dependence on the State for the creation of policies that seek improvements in the participation of girls and women in sport, hence, being necessary the creation of multicentric policies, including non-governmental agents in the process of elaborating policies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=agenda" title="agenda">agenda</a>, <a href="https://publications.waset.org/abstracts/search?q=politics" title=" politics"> politics</a>, <a href="https://publications.waset.org/abstracts/search?q=stakeholders" title=" stakeholders"> stakeholders</a>, <a href="https://publications.waset.org/abstracts/search?q=women%E2%80%99s%20sport" title=" women’s sport"> women’s sport</a> </p> <a href="https://publications.waset.org/abstracts/168707/womens-sport-on-the-brazilian-governmental-agenda" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168707.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">83</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">13</span> Lamb Fleece Quality as an Indicator of Endoparasitism</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maria%20Christine%20Rizzon%20Cintra">Maria Christine Rizzon Cintra</a>, <a href="https://publications.waset.org/abstracts/search?q=T%C3%A2mara%20Duarte%20Borges"> Tâmara Duarte Borges</a>, <a href="https://publications.waset.org/abstracts/search?q=Cristina%20Santos%20Sotomaior"> Cristina Santos Sotomaior</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lamb’s fleece quality can be influenced by many factors, including welfare, stress, nutritional imbalance and presence of ectoparasites. The association of fleece quality and endoparasitism, until now, was not well solved. The present study was undertaken to evaluate if a fleece visual score could predict lamb parasitosis with the focus on gastrointestinal parasites. Fleece quality was scored based on a combination of cleanliness and wool cover, using a three-point scale (1-3). Score 1: fleece shows no sign of dirt or contamination, and had sufficient fleece for the breed and time of year with whole body coverage; Score 2: fleece was little damp or wet, with coat contaminated by small patches of mud or dung and some areas of fleece loose, but no shed or bald patches of no more than 10cm in diameter; Score 3: fleece filthy, very wet with coated in mud or dug, and loose fleece with shed areas of pulls with bald patches greater than 10cm, some areas may be trailing. All fleece quality scores (FQS) were assessed with lamb restrained to ensure close inspection and were done along lamb back and considered just one side of the body. To confirm the gastrointestinal parasites and animal’s anemia, faecal egg counts (FEC) and hematocrit were done for each animal. Lambs were also weighed. All these measurements were done every 15-days, beginning at 60-days until 150-days of life, using 48 animals crossed Texel x Ile de France. For statistics analysis, it was used Stratigraphic Program (4.1. version), and all significant differences between FQS, weight gain, age, hematocrit, and FEC were assessed using analysis of variance following by Duncan test, and the correlation was done by Pearson test at P<0.05. Results showed that animals scored as ‘3’ in FQS had a lower hematocrit and a higher FEC (p<0.05) than animals scored as ‘1’ (hematocrit: 26, 24, 23 and FEC 2107, 2962, 4626 respectively for 1, 2 and 3 FQS). There were correlations between FQS and FEC (r = 0.16), FQS and hematocrit (r = -0.33) an FQS and weight gain (r = -0.20) indicating that worst FQS animals (score 3) had greater gastrointestinal parasites’ infection, were more anemic and had lower weight gain than animals scored as ‘1’ or ‘2’ for FQS. Concerning the lamb´s age, animals that received score ‘3’ in FQS, maintained gastrointestinal parasites’ infection over the time (P<0.05). It was concluded that FQS could be an important indicator to be included in the selective treatment for control verminosis in lambs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fleece" title="fleece">fleece</a>, <a href="https://publications.waset.org/abstracts/search?q=gastrointestinal%20parasites" title=" gastrointestinal parasites"> gastrointestinal parasites</a>, <a href="https://publications.waset.org/abstracts/search?q=sheep" title=" sheep"> sheep</a>, <a href="https://publications.waset.org/abstracts/search?q=welfare" title=" welfare"> welfare</a> </p> <a href="https://publications.waset.org/abstracts/75309/lamb-fleece-quality-as-an-indicator-of-endoparasitism" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75309.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">241</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">12</span> Creatine Associated with Resistance Training Increases Muscle Mass in the Elderly</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Camila%20Lemos%20Pinto">Camila Lemos Pinto</a>, <a href="https://publications.waset.org/abstracts/search?q=Juliana%20Alves%20Carneiro"> Juliana Alves Carneiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Patr%C3%ADcia%20Borges%20Botelho"> Patrícia Borges Botelho</a>, <a href="https://publications.waset.org/abstracts/search?q=Jo%C3%A3o%20Felipe%20Mota"> João Felipe Mota</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sarcopenia, a syndrome characterized by progressive and generalized loss of skeletal muscle mass and strength, currently affects over 50 million people and increases the risk of adverse outcomes such as physical disability, poor quality of life and death. The aim of this study was to examine the efficacy of creatine supplementation associated with resistance training on muscle mass in the elderly. A 12-week, double blind, randomized, parallel group, placebo controlled trial was conducted. Participants were randomly allocated into one of the following groups: placebo with resistance training (PL+RT, n=14) and creatine supplementation with resistance training (CR + RT, n=13). The subjects from CR+RT group received 5 g/day of creatine monohydrate and the subjects from the PL+RT group were given the same dose of maltodextrin. Participants were instructed to ingest the supplement on non-training days immediately after lunch and on training days immediately after resistance training sessions dissolved in a beverage comprising 100 g of maltodextrin lemon flavored. Participants of both groups undertook a supervised exercise training program for 12 weeks (3 times per week). The subjects were assessed at baseline and after 12 weeks. The primary outcome was muscle mass, assessed by dual energy X-ray absorptiometry (DXA). The secondary outcome included diagnose participants with one of the three stages of sarcopenia (presarcopenia, sarcopenia and severe sarcopenia) by skeletal muscle mass index (SMI), handgrip strength and gait speed. CR+RT group had a significant increase in SMI and muscle (p<0.0001), a significant decrease in android and gynoid fat (p = 0.028 and p=0.035, respectively) and a tendency of decreasing in body fat (p=0.053) after the intervention. PL+RT only had a significant increase in SMI (p=0.007). The main finding of this clinical trial indicated that creatine supplementation combined with resistance training was capable of increasing muscle mass in our elderly cohort (p=0.02). In addition, the number of subjects diagnosed with one of the three stages of sarcopenia at baseline decreased in the creatine supplemented group in comparison with the placebo group (CR+RT, n=-3; PL+RT, n=0). In summary, 12 weeks of creatine supplementation associated with resistance training resulted in increases in muscle mass. This is the first research with elderly of both sexes that show the same increase in muscle mass with a minor quantity of creatine supplementation in a short period. Future long-term research should investigate the effects of these interventions in sarcopenic elderly. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=creatine" title="creatine">creatine</a>, <a href="https://publications.waset.org/abstracts/search?q=dietetic%20supplement" title=" dietetic supplement"> dietetic supplement</a>, <a href="https://publications.waset.org/abstracts/search?q=elderly" title=" elderly"> elderly</a>, <a href="https://publications.waset.org/abstracts/search?q=resistance%20training" title=" resistance training"> resistance training</a> </p> <a href="https://publications.waset.org/abstracts/27549/creatine-associated-with-resistance-training-increases-muscle-mass-in-the-elderly" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27549.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">474</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">11</span> Development of a Test Plant for Parabolic Trough Solar Collectors Characterization</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nelson%20Ponce%20Jr.">Nelson Ponce Jr.</a>, <a href="https://publications.waset.org/abstracts/search?q=Jonas%20R.%20Gazoli"> Jonas R. Gazoli</a>, <a href="https://publications.waset.org/abstracts/search?q=Alessandro%20Sete"> Alessandro Sete</a>, <a href="https://publications.waset.org/abstracts/search?q=Roberto%20M.%20G.%20Vel%C3%A1squez"> Roberto M. G. Velásquez</a>, <a href="https://publications.waset.org/abstracts/search?q=Val%C3%A9rio%20L.%20Borges"> Valério L. Borges</a>, <a href="https://publications.waset.org/abstracts/search?q=Moacir%20A.%20S.%20de%20Andrade"> Moacir A. S. de Andrade</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The search for increased efficiency in generation systems has been of great importance in recent years to reduce the impact of greenhouse gas emissions and global warming. For clean energy sources, such as the generation systems that use concentrated solar power technology, this efficiency improvement impacts a lower investment per kW, improving the project’s viability. For the specific case of parabolic trough solar concentrators, their performance is strongly linked to their geometric precision of assembly and the individual efficiencies of their main components, such as parabolic mirrors and receiver tubes. Thus, for accurate efficiency analysis, it should be conducted empirically, looking for mounting and operating conditions like those observed in the field. The Brazilian power generation and distribution company Eletrobras Furnas, through the R&D program of the National Agency of Electrical Energy, has developed a plant for testing parabolic trough concentrators located in Aparecida de Goiânia, in the state of Goiás, Brazil. The main objective of this test plant is the characterization of the prototype concentrator that is being developed by the company itself in partnership with Eudora Energia, seeking to optimize it to obtain the same or better efficiency than the concentrators of this type already known commercially. This test plant is a closed pipe system where a pump circulates a heat transfer fluid, also calledHTF, in the concentrator that is being characterized. A flow meter and two temperature transmitters, installed at the inlet and outlet of the concentrator, record the parameters necessary to know the power absorbed by the system and then calculate its efficiency based on the direct solar irradiation available during the test period. After the HTF gains heat in the concentrator, it flows through heat exchangers that allow the acquired energy to be dissipated into the ambient. The goal is to keep the concentrator inlet temperature constant throughout the desired test period. The developed plant performs the tests in an autonomous way, where the operator must enter the HTF flow rate in the control system, the desired concentrator inlet temperature, and the test time. This paper presents the methodology employed for design and operation, as well as the instrumentation needed for the development of a parabolic trough test plant, being a guideline for standardization facilities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=parabolic%20trough" title="parabolic trough">parabolic trough</a>, <a href="https://publications.waset.org/abstracts/search?q=concentrated%20solar%20power" title=" concentrated solar power"> concentrated solar power</a>, <a href="https://publications.waset.org/abstracts/search?q=CSP" title=" CSP"> CSP</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20power" title=" solar power"> solar power</a>, <a href="https://publications.waset.org/abstracts/search?q=test%20plant" title=" test plant"> test plant</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20efficiency" title=" energy efficiency"> energy efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=performance%20characterization" title=" performance characterization"> performance characterization</a>, <a href="https://publications.waset.org/abstracts/search?q=renewable%20energy" title=" renewable energy"> renewable energy</a> </p> <a href="https://publications.waset.org/abstracts/155245/development-of-a-test-plant-for-parabolic-trough-solar-collectors-characterization" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/155245.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">118</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" 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