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Oliveira</title> <meta name="description" content="Search results for: Eduardo Oliveira"> <meta name="keywords" content="Eduardo Oliveira"> <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 d-lg-none 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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="Eduardo Oliveira"> <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> 335</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Eduardo Oliveira</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">125</span> The Use of Microbiological Methods to Reduce Aflatoxin M1 in Cheese</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bruna%20Goncalves">Bruna Goncalves</a>, <a href="https://publications.waset.org/abstracts/search?q=Jennifer%20Henck"> Jennifer Henck</a>, <a href="https://publications.waset.org/abstracts/search?q=Romulo%20Uliana"> Romulo Uliana</a>, <a href="https://publications.waset.org/abstracts/search?q=Eliana%20Kamimura"> Eliana Kamimura</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Oliveira"> Carlos Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Corassin"> Carlos Corassin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Studies have shown evidence of human exposure to aflatoxin M1 due to the consumption of contaminated milk and dairy products (mainly cheeses). This poses a great risk to public health, since milk and milk products are frequently consumed by a portion of the population considered immunosuppressed, children and the elderly. Knowledge of the negative impacts of aflatoxins on health and economics has led to investigations of strategies to prevent their formation in food, as well as to eliminate, inactivate or reduce the bioavailability of these toxins in contaminated products This study evaluated the effect of microbiological methods using lactic acid bacteria on aflatoxin M1 (AFM1) reduction in Minas Frescal cheese (typical Brazilian product, being among the most consumed cheeses in Brazil) spiked with 1 µg/L AFM1. Inactivated lactic acid bacteria (0,5%, v/v de L. rhamnosus e L. lactis) were added during the cheese production process. Nine cheeses were produced, divided into three treatments: negative controls (without AFM1 or lactic acid bacteria), positive controls (AFM1 only), and lactic acid bacteria + AFM1. Samples of cheese were collected on days 2, 10, 20 and 30 after the date of production and submitted to composition analyses and determination of AFM1 by high-performance liquid chromatography. The reductions of AFM1 in cheese by lactic acid bacteria at the end of the trial indicate a potential application of inactivated lactic acid bacteria in reducing the bioavailability of AFM1 in Minas frescal cheese without physical-chemical and microbiological modifications during the 30-day experimental period. The authors would like to thank São Paulo Research Foundation – FAPESP (grants #2017/20081-6 and #2017/19683-1). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aflatoxin" title="aflatoxin">aflatoxin</a>, <a href="https://publications.waset.org/abstracts/search?q=milk" title=" milk"> milk</a>, <a href="https://publications.waset.org/abstracts/search?q=minas%20frescal%20cheese" title=" minas frescal cheese"> minas frescal cheese</a>, <a href="https://publications.waset.org/abstracts/search?q=decontamination" title=" decontamination"> decontamination</a> </p> <a href="https://publications.waset.org/abstracts/103815/the-use-of-microbiological-methods-to-reduce-aflatoxin-m1-in-cheese" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/103815.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">194</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">124</span> The Management of Care by People with Type 2 Diabetes versus the Professional Care at Primary Health Care in Brazil </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nunila%20Ferreira%20de%20Oliveira">Nunila Ferreira de Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Silvana%20Martins%20Mishima"> Silvana Martins Mishima</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Diabetes mellitus type 2 (DM2) prevalence, is increasing on the world, in Brazil is considered a public health problem. Treatment focuses on glycemic control depending primarily of lifestyle changes - not drug treatment (NDT), may involve drug therapy (DT) and requires continuous health monitoring. In Brazil this monitoring is performed by the Unified Health System (SUS) through Primary Health Care (PHC), which stimulate people with DM2 empowerment for care management. SUS was approved in 1988 and the PHC operationalization was strengthened with the creation of the Family Health Strategy (FHS) in 1994. Our aim was to analyze the people with DM2 participation in front of the care management health monitoring in the FHS. Qualitative research was carried out through non-participant observation of attendance of 25 people with DM2 in the FHS and interviewed at home. Ethical guidelines were followed. It was found that people with DM2 only follow professionals’ recommendations that make sense according to their own conceptions of health/disease; most of them emphasize the importance of (DT) with little emphasis on the NDT, was found great difficulty in the NDT and lack of knowledge about the disease and care. As regards monitoring the FHS, were observed therapeutic practices based on the bio medical model, although the APS search for another care perspective; NDT is not systematically accompanied by the health team and takes place a few educational activities on the DM2 in the FHS, with low user adoption. The work of the FHS is done by multidisciplinary teams, but we see the need for greater participation of nurses in clinical-care follow-up of this population and may also act in adapting to the NDT. Finally we emphasize the need for professional practices that consider the difficulties to care management by people with DM2, especially because of the NDT. It is noticed that the measures recommended by the FHS professionals are not always developed by people with DM2. We must seek the empowerment of people with DM2 to manage the form of care associated with the FHS team, seeking to reduce the incidence of complications and higher quality of life. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=diabetes%20mellitus" title="diabetes mellitus">diabetes mellitus</a>, <a href="https://publications.waset.org/abstracts/search?q=primary%20health%20care" title=" primary health care"> primary health care</a>, <a href="https://publications.waset.org/abstracts/search?q=nursing" title=" nursing"> nursing</a>, <a href="https://publications.waset.org/abstracts/search?q=management%20of%20care" title=" management of care"> management of care</a> </p> <a href="https://publications.waset.org/abstracts/21228/the-management-of-care-by-people-with-type-2-diabetes-versus-the-professional-care-at-primary-health-care-in-brazil" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21228.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">456</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">123</span> Systematic Review of the Efficacy of Traditional Chinese Medicine in Parkinson Disease</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Ramos%20Pereira">Catarina Ramos Pereira</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Rodrigues"> Jorge Rodrigues</a>, <a href="https://publications.waset.org/abstracts/search?q=Nat%C3%A1lia%20Oliveira"> Natália Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Machado"> Jorge Machado</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Bego%C3%B1a%20Criado"> Maria Begoña Criado</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Machado"> Jorge Machado</a>, <a href="https://publications.waset.org/abstracts/search?q=Henri%20J.%20Greten"> Henri J. Greten</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Parkinson's disease is a multi-system neurodegenerative disorder characterized by motor and non-motor symptoms. To slow disorder progression, different treatment options are now available, but in most cases, these therapeutic strategies also involve the presence of important side effects. This has led many patients to pursue complementary therapies, such as acupuncture, to alleviate PD symptoms. Therefore, an update on the efficacy of this treatment for patients of PD is of great value. This work presents a systematic review of the efficacy of acupuncture treatments in relieving PD symptoms. Methods: EMBASE, Medline, Pubmed, Science Direct, The Cochrane Library, Cochrane Central Register of Controlled Trials (Central), and Scielo databases were systematically searched from January 2011 through July 2021. Randomized controlled trials (RCTs) published in English with all types of acupuncture treatment were included. The selection and analysis of the articles were conducted by two blinding authors through the Rayyan application. Results: 720 potentially relevant articles were identified; 52 RCTs met our inclusion criteria. After the exclusion of 35, we found 17 eligible. The included RCTs reported positive effects for acupuncture plus conventional treatment compared with conventional treatment alone in the UPDRS score. Conclusions: Additional evidence should be supported by rigorous methodological strategies. Although firm conclusions cannot be drawn, acupuncture treatment, in the framework of an interdisciplinary care team, appears to have positive effects on PD symptoms. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=systematic%20review" title="systematic review">systematic review</a>, <a href="https://publications.waset.org/abstracts/search?q=Parkinson%20disease" title=" Parkinson disease"> Parkinson disease</a>, <a href="https://publications.waset.org/abstracts/search?q=acupuncture" title=" acupuncture"> acupuncture</a>, <a href="https://publications.waset.org/abstracts/search?q=traditional%20Chinese%20medicine" title=" traditional Chinese medicine"> traditional Chinese medicine</a> </p> <a href="https://publications.waset.org/abstracts/158514/systematic-review-of-the-efficacy-of-traditional-chinese-medicine-in-parkinson-disease" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/158514.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">143</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">122</span> Systolic Blood Pressure and Its Determinants: Study in a Population Attending Pharmacies in a Portuguese Coastal City</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20J.%20Reis%20Lima">M. J. Reis Lima</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Oliveira"> J. Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Brito"> M. Brito</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Lemos"> C. Lemos</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Mascarenhas"> A. Mascarenhas</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Teixeira%20Lemos"> E. Teixeira Lemos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Hypertension is a common condition causing cardio and cerebrovascular complications. Portugal has one of the highest mortality rates from stroke and a high prevalence of hypertension. Systolic blood pressure (SBP) is an important risk factor for cardiovascular events (myocardial infarction and stroke) and premature mortality, particularly in the elderly population. The present study aims to estimate the prevalence of hypertension in a Portuguese population living in a coastal city and to identify some of its determinants (namely gender, age, the body mass index and physical activity frequency). A total of 91 adults who attended three pharmacies of a coastal city in the center of Portugal, between May and August of 2013 were evaluated. Attendants who reported to have diabetes or taking antihypertensive drugs in the 2 previous weeks were excluded from the study. Sociodemographic factors, BMI, habits of exercise and BP were assessed. Hypertension was defined as blood pressure ≥140/90 mmHg. The majority of the studied population was constituted by women (75.8%), with a mean age of 54.2±1.6 years old, married or living in civil union and that had completed secondary school or had higher education (40%). They presented a mean BMI of 26.2±4.76 Kg/m2. and were sedentary. The mean BP was 127.0±17.77mmHg- 74.69 ± 9.53. In this population, we found 4.3% of people with hypertension and 16.1% with normal high blood pressure. Men exhibit a tendency to present higher systolic blood pressure values than women. Of all the factors considered, SBP values also tended to be higher with age and higher BMI values. Despite the fact that the mean values of SBP did not present values higher than 140 mmHg we must be concerned because the studied population is undiagnosed for hypertension. Our study even with some limitations might be a prelude to the upcoming research about the underlying factors responsible for the occurrence of SBP. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hypertension" title="hypertension">hypertension</a>, <a href="https://publications.waset.org/abstracts/search?q=age" title=" age"> age</a>, <a href="https://publications.waset.org/abstracts/search?q=exercise" title=" exercise"> exercise</a>, <a href="https://publications.waset.org/abstracts/search?q=obesity%20and%20gender" title=" obesity and gender"> obesity and gender</a> </p> <a href="https://publications.waset.org/abstracts/36029/systolic-blood-pressure-and-its-determinants-study-in-a-population-attending-pharmacies-in-a-portuguese-coastal-city" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36029.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">544</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">121</span> 3D Dentofacial Surgery Full Planning Procedures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Oliveira%20M.">Oliveira M.</a>, <a href="https://publications.waset.org/abstracts/search?q=Gon%C3%A7alves%20L."> Gonçalves L.</a>, <a href="https://publications.waset.org/abstracts/search?q=Francisco%20I."> Francisco I.</a>, <a href="https://publications.waset.org/abstracts/search?q=Caramelo%20F."> Caramelo F.</a>, <a href="https://publications.waset.org/abstracts/search?q=Vale%20F."> Vale F.</a>, <a href="https://publications.waset.org/abstracts/search?q=Sanz%20D."> Sanz D.</a>, <a href="https://publications.waset.org/abstracts/search?q=Domingues%20M."> Domingues M.</a>, <a href="https://publications.waset.org/abstracts/search?q=Lopes%20M."> Lopes M.</a>, <a href="https://publications.waset.org/abstracts/search?q=Moreia%20D."> Moreia D.</a>, <a href="https://publications.waset.org/abstracts/search?q=Lopes%20T."> Lopes T.</a>, <a href="https://publications.waset.org/abstracts/search?q=Santos%20T."> Santos T.</a>, <a href="https://publications.waset.org/abstracts/search?q=Cardoso%20H."> Cardoso H.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The ARTHUR project consists of a platform that allows the virtual performance of maxillofacial surgeries, offering, in a photorealistic concept, the possibility for the patient to have an idea of the surgical changes before they are performed on their face. For this, the system brings together several image formats, dicoms and objs that, after loading, will generate the bone volume, soft tissues and hard tissues. The system also incorporates the patient's stereophotogrammetry, in addition to their data and clinical history. After loading and inserting data, the clinician can virtually perform the surgical operation and present the final result to the patient, generating a new facial surface that contemplates the changes made in the bone and tissues of the maxillary area. This tool acts in different situations that require facial reconstruction, however this project focuses specifically on two types of use cases: bone congenital disfigurement and acquired disfiguration such as oral cancer with bone attainment. Being developed a cloud based solution, with mobile support, the tool aims to reduce the decision time window of patient. Because the current simulations are not realistic or, if realistic, need time due to the need of building plaster models, patient rates on decision, rely on a long time window (1,2 months), because they don’t identify themselves with the presented surgical outcome. On the other hand, this planning was performed time based on average estimated values of the position of the maxilla and mandible. The team was based on averages of the facial measurements of the population, without specifying racial variability, so the proposed solution was not adjusted to the real individual physiognomic needs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=3D%20computing" title="3D computing">3D computing</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20processing" title=" image processing"> image processing</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20registry" title=" image registry"> image registry</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20reconstruction" title=" image reconstruction"> image reconstruction</a> </p> <a href="https://publications.waset.org/abstracts/144601/3d-dentofacial-surgery-full-planning-procedures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144601.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">206</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">120</span> New Insights into Ethylene and Auxin Interplay during Tomato Ripening</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bruna%20Lima%20Gomes">Bruna Lima Gomes</a>, <a href="https://publications.waset.org/abstracts/search?q=Vanessa%20Caroline%20De%20Barros%20Bonato"> Vanessa Caroline De Barros Bonato</a>, <a href="https://publications.waset.org/abstracts/search?q=Luciano%20Freschi"> Luciano Freschi</a>, <a href="https://publications.waset.org/abstracts/search?q=Eduardo%20Purgatto"> Eduardo Purgatto</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Plant hormones are long known to be tightly associated with fruit development and are involved in controlling various aspects of fruit ripening. For fleshy fruits, ripening is characterized for changes in texture, color, aroma and other parameters that markedly contribute to its quality. Ethylene is one of the major players regulating the ripening-related processes, but emerging evidences suggest that auxin is also part of this dynamic control. Thus, the aim of this study was providing new insights into the auxin role during ripening and the hormonal interplay between auxin and ethylene. For that, tomato fruits (Micro-Tom) were collected at mature green stage and separated in four groups: one for indole-3-acetic acid (IAA) treatment, one for ethylene, one for a combination of IAA and ethylene, and one for control. Hormone solution was injected through the stylar apex, while mock samples were injected with buffer only. For ethylene treatments, fruits were exposed to gaseous hormone. Then, fruits were left to ripen under standard conditions and to assess ripening development, hue angle was reported as color indicator and ethylene production was measured by gas chromatography. The transcript levels of three ripening-related ethylene receptors (LeETR3, LeETR4 and LeETR6) were evaluated by RT-qPCR. Results showed that ethylene treatment induced ripening, stimulated ethylene production, accelerated color changes and induced receptor expression, as expected. Nonetheless, auxin treatment showed the opposite effect once fruits remained green for longer time than control group and ethylene perception has changed, taking account the reduced levels of receptor transcripts. Further, treatment with both hormones revealed that auxin effect in delaying ripening was predominant, even with higher levels of ethylene. Altogether, the data suggest that auxin modulates several aspects of the tomato fruit ripening modifying the ethylene perception. The knowledge about hormonal control of fruit development will help design new strategies for effective manipulation of ripening regarding fruit quality and brings a new level of complexity on fruit ripening regulation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ethylene" title="ethylene">ethylene</a>, <a href="https://publications.waset.org/abstracts/search?q=auxin" title=" auxin"> auxin</a>, <a href="https://publications.waset.org/abstracts/search?q=fruit%20ripening" title=" fruit ripening"> fruit ripening</a>, <a href="https://publications.waset.org/abstracts/search?q=hormonal%20crosstalk" title=" hormonal crosstalk"> hormonal crosstalk</a> </p> <a href="https://publications.waset.org/abstracts/23375/new-insights-into-ethylene-and-auxin-interplay-during-tomato-ripening" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23375.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">461</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">119</span> Greenhouse Controlled with Graphical Plotting in Matlab</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bruno%20R.%20A.%20Oliveira">Bruno R. A. Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Italo%20V.%20V.%20Braga"> Italo V. V. Braga</a>, <a href="https://publications.waset.org/abstracts/search?q=Jonas%20P.%20Reges"> Jonas P. Reges</a>, <a href="https://publications.waset.org/abstracts/search?q=Luiz%20P.%20O.%20Santos"> Luiz P. O. Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Sidney%20C.%20Duarte"> Sidney C. Duarte</a>, <a href="https://publications.waset.org/abstracts/search?q=Emilson%20R.%20R.%20Melo"> Emilson R. R. Melo</a>, <a href="https://publications.waset.org/abstracts/search?q=Auzuir%20R.%20Alexandria"> Auzuir R. Alexandria</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This project aims to building a controlled greenhouse, or for better understanding, a structure where one can maintain a given range of temperature values (°C) coming from radiation emitted by an incandescent light, as previously defined, characterizing as a kind of on-off control and a differential, which is the plotting of temperature versus time graphs assisted by MATLAB software via serial communication. That way it is possible to connect the stove with a computer and monitor parameters. In the control, it was performed using a PIC 16F877A microprocessor which enabled convert analog signals to digital, perform serial communication with the IC MAX232 and enable signal transistors. The language used in the PIC's management is Basic. There are also a cooling system realized by two coolers 12V distributed in lateral structure, being used for venting and the other for exhaust air. To find out existing temperature inside is used LM35DZ sensor. Other mechanism used in the greenhouse construction was comprised of a reed switch and a magnet; their function is in recognition of the door position where a signal is sent to a buzzer when the door is open. Beyond it exist LEDs that help to identify the operation which the stove is located. To facilitate human-machine communication is employed an LCD display that tells real-time temperature and other information. The average range of design operating without any major problems, taking into account the limitations of the construction material and structure of electrical current conduction, is approximately 65 to 70 ° C. The project is efficient in these conditions, that is, when you wish to get information from a given material to be tested at temperatures not as high. With the implementation of the greenhouse automation, facilitating the temperature control and the development of a structure that encourages correct environment for the most diverse applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=greenhouse" title="greenhouse">greenhouse</a>, <a href="https://publications.waset.org/abstracts/search?q=microcontroller" title=" microcontroller"> microcontroller</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature" title=" temperature"> temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=control" title=" control"> control</a>, <a href="https://publications.waset.org/abstracts/search?q=MATLAB" title=" MATLAB"> MATLAB</a> </p> <a href="https://publications.waset.org/abstracts/21288/greenhouse-controlled-with-graphical-plotting-in-matlab" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21288.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">402</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">118</span> A Gamification Teaching Method for Software Measurement Process </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lennon%20Furtado">Lennon Furtado</a>, <a href="https://publications.waset.org/abstracts/search?q=Sandro%20Oliveira"> Sandro Oliveira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The importance of an effective measurement program lies in the ability to control and predict what can be measured. Thus, the measurement program has the capacity to provide bases in decision-making to support the interests of an organization. Therefore, it is only possible to apply for an effective measurement program with a team of software engineers well trained in the measurement area. However, the literature indicates that are few computer science courses that have in their program the teaching of the software measurement process. And even these, generally present only basic theoretical concepts of said process and little or no measurement in practice, which results in the student's lack of motivation to learn the measurement process. In this context, according to some experts in software process improvements, one of the most used approaches to maintaining the motivation and commitment to software process improvements program is the use of the gamification. Therefore, this paper aims to present a proposal of teaching the measurement process by gamification. Which seeks to improve student motivation and performance in the assimilation of tasks related to software measurement, by incorporating elements of games into the practice of measurement process, making it more attractive for learning. And as a way of validating the proposal will be made a comparison between two distinct groups of 20 students of Software Quality class, a control group, and an experiment group. The control group will be the students that will not make use of the gamification proposal to learn software measurement process, while the experiment group, will be the students that will make use of the gamification proposal to learn software measurement process. Thus, this paper will analyze the objective and subjective results of each group. And as objective result will be analyzed the student grade reached at the end of the course, and as subjective results will be analyzed a post-course questionnaire with the opinion of each student about the teaching method. Finally, this paper aims to prove or refute the following hypothesis: If the gamification proposal to teach software measurement process does appropriate motivate the student, in order to attribute the necessary competence to the practical application of the measurement process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=education" title="education">education</a>, <a href="https://publications.waset.org/abstracts/search?q=gamification" title=" gamification"> gamification</a>, <a href="https://publications.waset.org/abstracts/search?q=software%20measurement%20process" title=" software measurement process"> software measurement process</a>, <a href="https://publications.waset.org/abstracts/search?q=software%20engineering" title=" software engineering"> software engineering</a> </p> <a href="https://publications.waset.org/abstracts/63537/a-gamification-teaching-method-for-software-measurement-process" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63537.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">314</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">117</span> National Scope Study on Resilience of Nursing Teams During the COVID-19 Pandemic: Brazilian Experience</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elucir%20Gir">Elucir Gir</a>, <a href="https://publications.waset.org/abstracts/search?q=Laelson%20Rochelle%20Milan%C3%AAs%20Sousa"> Laelson Rochelle Milanês Sousa</a>, <a href="https://publications.waset.org/abstracts/search?q=Pedro%20Henrique%20Tertuliano%20Leoni"> Pedro Henrique Tertuliano Leoni</a>, <a href="https://publications.waset.org/abstracts/search?q=Carla%20Aparecida%20Arena%20Ventura"> Carla Aparecida Arena Ventura</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Cristina%20de%20Oliveira%20e%20Silva"> Ana Cristina de Oliveira e Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Renata%20Karina%20Reis"> Renata Karina Reis</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Context and significance: Resilience is a protective agent for the physical and mental well-being of nursing professionals. Team members are constantly subjected to high levels of work stress that can negatively impact care performance and users of health services. Stress levels have been exacerbated with the COVID-19 pandemic. Objective: The aim of this study was to analyze the resilience of nursing professionals in Brazil during the COVID-19 pandemic. Method: Cross-sectional study with a quantitative approach carried out with professionals from nursing teams from all regions of Brazil. Data collection took place in the first year of the pandemic between October and December 2020. Data were obtained through an online questionnaire posted on social networks. The information collected included the sociodemographic characterization of the nursing professionals and the Brief Resilient Coping Scale was applied. Student's t-test for independent samples and analysis of variance (ANOVA) were used to compare resilience scores with sociodemographic variables. Results: 8,792 nursing professionals participated in the study, 5,767 (65.6%) were nurses, 7,437 (84.6%) were female and 2,643 (30.1%) were from the Northeast region of Brazil, 5,124 (58.8% ) had low levels of resilience. The results showed a statistically significant difference between the resilience score and the variables: professional category (p<0.001); sex (p = 0.003); age range (p<0.001); region of Brazil (p<0.001); marital status (p=0.029) and providing assistance in a field hospital (p<0.001). Conclusion: Participants in this study had, in general, low levels of resilience. There is an urgent need for actions aimed at promoting the psychological health of nursing professionals inserted in pandemic contexts. Descriptors: Psychological Resilience; Nursing professionals; COVID-19; SARSCoV-2. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=psychological%20resilience" title="psychological resilience">psychological resilience</a>, <a href="https://publications.waset.org/abstracts/search?q=nursing%20professionals" title=" nursing professionals"> nursing professionals</a>, <a href="https://publications.waset.org/abstracts/search?q=COVID-19" title=" COVID-19"> COVID-19</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/163292/national-scope-study-on-resilience-of-nursing-teams-during-the-covid-19-pandemic-brazilian-experience" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163292.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">87</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">116</span> Selection of New Business in Brazilian Companies Incubators through Hierarchical Methodology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Izabel%20Cristina%20Zattar">Izabel Cristina Zattar</a>, <a href="https://publications.waset.org/abstracts/search?q=Gilberto%20Passos%20Lima"> Gilberto Passos Lima</a>, <a href="https://publications.waset.org/abstracts/search?q=Guilherme%20Sch%C3%BCnemann%20de%20Oliveira"> Guilherme Schünemann de Oliveira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In Brazil, there are several institutions committed to the development of new businesses based on product innovation. Among them are business incubators, universities and science institutes. Business incubators can be defined as nurseries for new companies, which may be in the technology segment, discussed in this article. Business incubators provide services related to infrastructure, such as physical space and meeting rooms. Besides these services, incubators also offer assistance in the form of information and communication, access to finance, relationship networks and business monitoring and mentoring processes. Business incubators support not all technology companies. One of the business incubators tasks is to assess the nature and feasibility of new business proposals. To assist this goal, this paper proposes a methodology for evaluating new business using the Analytic Hierarchy Process (AHP). This paper presents the concepts used in the assessing methodology application for new business, concepts that have been tested with positive results in practice. This study counts on three main steps: first, a hierarchy was built, based on new business manuals used by the business incubators. These books and manuals relate business selection requirements, such as the innovation status and other technological aspects. Then, a questionnaire was generated, in order to guide incubator experts in the parity comparisons at all hierarchy levels. The weights of each requirement are calculated from information obtained from the questionnaire responses. Finally, the proposed method was applied to evaluate five new business proposals, which were applying to be part of a company incubator. The main result is the classification of these new businesses, which helped the incubator experts to decide what companies were more eligible to work with. This classification may also be helpful to the decision-making process of business incubators in future selection processes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Analytic%20Hierarchy%20Process%20%28AHP%29" title="Analytic Hierarchy Process (AHP)">Analytic Hierarchy Process (AHP)</a>, <a href="https://publications.waset.org/abstracts/search?q=Brazilian%20companies%20incubators" title=" Brazilian companies incubators"> Brazilian companies incubators</a>, <a href="https://publications.waset.org/abstracts/search?q=technology%20companies" title=" technology companies"> technology companies</a>, <a href="https://publications.waset.org/abstracts/search?q=incubator" title=" incubator"> incubator</a> </p> <a href="https://publications.waset.org/abstracts/15330/selection-of-new-business-in-brazilian-companies-incubators-through-hierarchical-methodology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15330.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">373</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">115</span> The Chemical Composition and Larvicidal Activity of Essential Oils Derived from Piper Longepetiolatum and Piper Brachypetiolatum (Piperaceae) Against Aedes Aegypti Larvae (Culicidae) Were Investigated</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Suelen%20C.%20Lima">Suelen C. Lima</a>, <a href="https://publications.waset.org/abstracts/search?q=Andr%C3%A9%20C.%20de%20Oliveira"> André C. de Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Rosemary%20A.%20Roque"> Rosemary A. Roque</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Dengue is fatal arboviruses transmitted by the A. aegypti mosquito to more than 100 countries, for which the WHO estimates that 2.5 million people will be infected by these disease. The widespread of these diseases is due, among other factors, to the resistance that A. aegypti has to several commercial insecticides. On the other hand, natural products based on plants of the genus Piper (Piperaceae) are characterized by their insecticidal activities against mosquitoes. Piper longepetiolatum and Piper brachypetiolatum are species with wide distribution in the State of Amazonas. However, there is no investigation of phytochemical or biological of these plants against mosquitoes such as A. aegypti. The main of this study was to identify the chemical composition of the essential oil (EOs) from P. longepetiolatum and P. brachypetiolatum and to evaluate the biological activity against A. aegypti. The EOs were extracted by hydrodistillation from leaves (200 g) of P. longepetiolatum and P. brachypetiolatum and analyzed by GC-MS and GC-FID. The main compounds β-caryophyllene (99.9% of purity) and E-nerolidol (99.4% of purity) were purchased from Sigma-Aldrich® Brazil. The larvicidal activity of EOs (20 to 100 ppm), β-caryophyllene and E-nerolidol (10 to 50 ppm) was performed according to WHO protocol against A. aegypti larvae. The GC-MS and GC-FID analysis of EOs from P. longepetiolatum and P. brachypetiolatum indicated the majority presence of β-caryophyllene (35.42%) and E-nerolidol (49.79%), respectively. The results showed that all natural products presented larvicidal activity against A. aegypti. In this aspect, the OE from P. brachypetiolatum (LC50 of 15.51 ppm and LC90 of 22.79 ppm) was more active than the OE from P. longepetiolatum (LC50 of 47.17 ppm and LC90 of 69.60 ppm) (p < 0.05). Regarding of main compounds, E-nerolidol (LC50 of 9.50 ppm and LC90 of 23.89 ppm) showed higher larvicidal activity than the β-caryophyllene compound (LC50 of 79.00 ppm and LC90 of 230.91 ppm) (p < 0.05). The larvae treated with these natural products showed tremors and lethargic movements, suggesting that these natural products have neurotoxic action. These observations support studies to investigate the mechanism of action. This is the first record of the chemical composition and larvicidal activity of the EO from P. longepetiolatum and P. brachypetiolatum rich in β-caryophyllene and E-nerolidol against A. aegypti larvae. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=piperaceae" title="piperaceae">piperaceae</a>, <a href="https://publications.waset.org/abstracts/search?q=aedes" title=" aedes"> aedes</a>, <a href="https://publications.waset.org/abstracts/search?q=sesquiterpenes" title=" sesquiterpenes"> sesquiterpenes</a>, <a href="https://publications.waset.org/abstracts/search?q=biological%20control" title=" biological control"> biological control</a> </p> <a href="https://publications.waset.org/abstracts/175157/the-chemical-composition-and-larvicidal-activity-of-essential-oils-derived-from-piper-longepetiolatum-and-piper-brachypetiolatum-piperaceae-against-aedes-aegypti-larvae-culicidae-were-investigated" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/175157.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">76</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">114</span> Using Hierarchical Methodology to Assist the Selection of New Business in Brazilian Companies Incubators</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Izabel%20Cristina%20Zattar">Izabel Cristina Zattar</a>, <a href="https://publications.waset.org/abstracts/search?q=Gilberto%20Passos%20Lima"> Gilberto Passos Lima</a>, <a href="https://publications.waset.org/abstracts/search?q=Guilherme%20Sch%C3%BCnemann%20de%20Oliveira"> Guilherme Schünemann de Oliveira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In Brazil, there are several institutions committed to the development of new businesses based on product innovation. Among them are business incubators, universities and science institutes. Business incubators can be defined as nurseries for new companies, which may be in the technology segment, discussed in this article. Business incubators provide services related to infrastructure, such as physical space and meeting rooms. Besides these services, incubators also offer assistance in the form of information and communication, access to finance, relationship networks and business monitoring and mentoring processes. Business incubators support not all technology companies. One of the business incubators tasks is to assess the nature and feasibility of new business proposals. To assist in this goal, this paper proposes a methodology for evaluating new business using the Analytic Hierarchy Process (AHP). This paper presents the concepts used in the assessing methodology application for new business, concepts that have been tested with positive results in practice. This study counts on three main steps: first, a hierarchy was built, based on new business manuals used by the business incubators. These books and manuals relate business selection requirements, such as the innovation status and other technological aspects. Then, a questionnaire was generated, in order to guide incubator experts in the parity comparisons at all hierarchy levels. The weights of each requirement are calculated from information obtained from the questionnaire responses. Finally, the proposed method was applied to evaluate five new business proposals, which were applying to be part of a company incubator. The main result is the classification of these new businesses, which helped the incubator experts to decide what companies were more eligible to work with. This classification may also be helpful to the decision-making process of business incubators in future selection processes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Analytic%20Hierarchy%20Process%20%28AHP%29" title="Analytic Hierarchy Process (AHP)">Analytic Hierarchy Process (AHP)</a>, <a href="https://publications.waset.org/abstracts/search?q=Brazilian%20companies%20incubators" title=" Brazilian companies incubators"> Brazilian companies incubators</a>, <a href="https://publications.waset.org/abstracts/search?q=technology%20companies" title=" technology companies"> technology companies</a>, <a href="https://publications.waset.org/abstracts/search?q=incubator" title=" incubator"> incubator</a> </p> <a href="https://publications.waset.org/abstracts/15329/using-hierarchical-methodology-to-assist-the-selection-of-new-business-in-brazilian-companies-incubators" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15329.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">402</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">113</span> Balanced Scorecard (BSC) Project : A Methodological Proposal for Decision Support in a Corporate Scenario</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=David%20de%20Oliveira%20Costa">David de Oliveira Costa</a>, <a href="https://publications.waset.org/abstracts/search?q=Miguel%20%C3%82ngelo%20Lellis%20Moreira"> Miguel Ângelo Lellis Moreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Francisco%20Sim%C3%B5es%20Gomes"> Carlos Francisco Simões Gomes</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Augusto%20de%20Moura%20Pereira"> Daniel Augusto de Moura Pereira</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcos%20dos%20Santos"> Marcos dos Santos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Strategic management is a fundamental process for global companies that intend to remain competitive in an increasingly dynamic and complex market. To do so, it is necessary to maintain alignment with their principles and values. The Balanced Scorecard (BSC) proposes to ensure that the overall business performance is based on different perspectives (financial, customer, internal processes, and learning and growth). However, relying solely on the BSC may not be enough to ensure the success of strategic management. It is essential that companies also evaluate and prioritize strategic projects that need to be implemented to ensure they are aligned with the business vision and contribute to achieving established goals and objectives. In this context, the proposition involves the incorporation of the SAPEVO-M multicriteria method to indicate the degree of relevance between different perspectives. Thus, the strategic objectives linked to these perspectives have greater weight in the classification of structural projects. Additionally, it is proposed to apply the concept of the Impact & Probability Matrix (I&PM) to structure and ensure that strategic projects are evaluated according to their relevance and impact on the business. By structuring the business's strategic management in this way, alignment and prioritization of projects and actions related to strategic planning are ensured. This ensures that resources are directed towards the most relevant and impactful initiatives. Therefore, the objective of this article is to present the proposal for integrating the BSC methodology, the SAPEVO-M multicriteria method, and the prioritization matrix to establish a concrete weighting of strategic planning and obtain coherence in defining strategic projects aligned with the business vision. This ensures a robust decision-making support process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=MCDA%20process" title="MCDA process">MCDA process</a>, <a href="https://publications.waset.org/abstracts/search?q=prioritization%20problematic" title=" prioritization problematic"> prioritization problematic</a>, <a href="https://publications.waset.org/abstracts/search?q=corporate%20strategy" title=" corporate strategy"> corporate strategy</a>, <a href="https://publications.waset.org/abstracts/search?q=multicriteria%20method" title=" multicriteria method"> multicriteria method</a> </p> <a href="https://publications.waset.org/abstracts/174544/balanced-scorecard-bsc-project-a-methodological-proposal-for-decision-support-in-a-corporate-scenario" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/174544.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">81</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">112</span> A One-Dimensional Modeling Analysis of the Influence of Swirl and Tumble Coefficient in a Single-Cylinder Research Engine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mateus%20Silva%20Mendon%C3%A7a">Mateus Silva Mendonça</a>, <a href="https://publications.waset.org/abstracts/search?q=Wender%20Pereira%20de%20Oliveira"> Wender Pereira de Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Gabriel%20Heleno%20de%20Paula%20Ara%C3%BAjo"> Gabriel Heleno de Paula Araújo</a>, <a href="https://publications.waset.org/abstracts/search?q=Hiago%20Ten%C3%B3rio%20Teixeira%20Santana%20Rocha"> Hiago Tenório Teixeira Santana Rocha</a>, <a href="https://publications.waset.org/abstracts/search?q=Augusto%20C%C3%A9sar%20Teixeira%20Malaquias"> Augusto César Teixeira Malaquias</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20Guilherme%20Coelho%20Baeta"> José Guilherme Coelho Baeta</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The stricter legislation and the greater demand of the population regard to gas emissions and their effects on the environment as well as on human health make the automotive industry reinforce research focused on reducing levels of contamination. This reduction can be achieved through the implementation of improvements in internal combustion engines in such a way that they promote the reduction of both specific fuel consumption and air pollutant emissions. These improvements can be obtained through numerical simulation, which is a technique that works together with experimental tests. The aim of this paper is to build, with support of the GT-Suite software, a one-dimensional model of a single-cylinder research engine to analyze the impact of the variation of swirl and tumble coefficients on the performance and on the air pollutant emissions of an engine. Initially, the discharge coefficient is calculated through the software Converge CFD 3D, given that it is an input parameter in GT-Power. Mesh sensitivity tests are made in 3D geometry built for this purpose, using the mass flow rate in the valve as a reference. In the one-dimensional simulation is adopted the non-predictive combustion model called Three Pressure Analysis (TPA) is, and then data such as mass trapped in cylinder, heat release rate, and accumulated released energy are calculated, aiming that the validation can be performed by comparing these data with those obtained experimentally. Finally, the swirl and tumble coefficients are introduced in their corresponding objects so that their influences can be observed when compared to the results obtained previously. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=1D%20simulation" title="1D simulation">1D simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=single-cylinder%20research%20engine" title=" single-cylinder research engine"> single-cylinder research engine</a>, <a href="https://publications.waset.org/abstracts/search?q=swirl%20coefficient" title=" swirl coefficient"> swirl coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=three%20pressure%20analysis" title=" three pressure analysis"> three pressure analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=tumble%20coefficient" title=" tumble coefficient"> tumble coefficient</a> </p> <a href="https://publications.waset.org/abstracts/156565/a-one-dimensional-modeling-analysis-of-the-influence-of-swirl-and-tumble-coefficient-in-a-single-cylinder-research-engine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156565.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">105</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">111</span> Information Visualization Methods Applied to Nanostructured Biosensors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Osvaldo%20N.%20Oliveira%20Jr.">Osvaldo N. Oliveira Jr.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The control of molecular architecture inherent in some experimental methods to produce nanostructured films has had great impact on devices of various types, including sensors and biosensors. The self-assembly monolayers (SAMs) and the electrostatic layer-by-layer (LbL) techniques, for example, are now routinely used to produce tailored architectures for biosensing where biomolecules are immobilized with long-lasting preserved activity. Enzymes, antigens, antibodies, peptides and many other molecules serve as the molecular recognition elements for detecting an equally wide variety of analytes. The principles of detection are also varied, including electrochemical methods, fluorescence spectroscopy and impedance spectroscopy. In this presentation an overview will be provided of biosensors made with nanostructured films to detect antibodies associated with tropical diseases and HIV, in addition to detection of analytes of medical interest such as cholesterol and triglycerides. Because large amounts of data are generated in the biosensing experiments, use has been made of computational and statistical methods to optimize performance. Multidimensional projection techniques such as Sammon´s mapping have been shown more efficient than traditional multivariate statistical analysis in identifying small concentrations of anti-HIV antibodies and for distinguishing between blood serum samples of animals infected with two tropical diseases, namely Chagas´ disease and Leishmaniasis. Optimization of biosensing may include a combination of another information visualization method, the Parallel Coordinate technique, with artificial intelligence methods in order to identify the most suitable frequencies for reaching higher sensitivity using impedance spectroscopy. Also discussed will be the possible convergence of technologies, through which machine learning and other computational methods may be used to treat data from biosensors within an expert system for clinical diagnosis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=clinical%20diagnosis" title="clinical diagnosis">clinical diagnosis</a>, <a href="https://publications.waset.org/abstracts/search?q=information%20visualization" title=" information visualization"> information visualization</a>, <a href="https://publications.waset.org/abstracts/search?q=nanostructured%20films" title=" nanostructured films"> nanostructured films</a>, <a href="https://publications.waset.org/abstracts/search?q=layer-by-layer%20technique" title=" layer-by-layer technique "> layer-by-layer technique </a> </p> <a href="https://publications.waset.org/abstracts/19287/information-visualization-methods-applied-to-nanostructured-biosensors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19287.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">337</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">110</span> Calculating Asphaltenes Precipitation Onset Pressure by Using Cardanol as Precipitation Inhibitor: A Strategy to Increment the Oil Well Production</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Camilo%20A.%20Guerrero-Martin">Camilo A. Guerrero-Martin</a>, <a href="https://publications.waset.org/abstracts/search?q=Erik%20Montes%20Paez"> Erik Montes Paez</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcia%20C.%20K.%20Oliveira"> Marcia C. K. Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Jonathan%20Campos"> Jonathan Campos</a>, <a href="https://publications.waset.org/abstracts/search?q=Elizabete%20F.%20Lucas"> Elizabete F. Lucas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Asphaltenes precipitation is considered as a formation damage problem, which can reduce the oil recovery factor. It fouls piping and surface installations, as well as cause serious flow assurance complications and decline oil well production. Therefore, researchers have shown an interest in chemical treatments to control this phenomenon. The aim of this paper is to assess the asphaltenes precipitation onset of crude oils in the presence of cardanol, by titrating the crude with n-heptane. Moreover, based on this results obtained at atmosphere pressure, the asphaltenes precipitation onset pressure were calculated to predict asphaltenes precipitation in the reservoir, by using differential liberation and refractive index data of the oils. The influence of cardanol concentrations in the asphaltenes stabilization of three Brazilian crude oils samples (with similar API densities) was studied. Therefore, four formulations of cardanol in toluene were prepared: 0, 3, 5, 10 and 15 m/m%. The formulations were added to the crude at 2:98 ratio. The petroleum samples were characterized by API density, elemental analysis and differential liberation test. The asphaltenes precipitation onset (APO) was determined by titrating with n-heptane and monitoring with near-infrared (NIR). UV-Vis spectroscopy experiments were also done to assess the precipitate asphaltenes content. The asphaltenes precipitation envelopes (APE) were also determined by numerical simulation (Multiflash). In addition, the adequate artificial lift systems (ALS) for the oils were selected. It was based on the downhole well profile and a screening methodology. Finally, the oil flowrates were modelling by NODAL analysis production system in the PIPESIM software. The results of this study show that the asphaltenes precipitation onset of the crude oils were 2.2, 2.3 and 6.0 mL of n-heptane/g of oil. The cardanol was an effective inhibitor of asphaltenes precipitation for the crude oils used in this study, since it displaces the precipitation pressure of the oil to lower values. This indicates that cardanol can increase the oil wells productivity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=asphaltenes" title="asphaltenes">asphaltenes</a>, <a href="https://publications.waset.org/abstracts/search?q=NODAL%20analysis%20production%20system" title=" NODAL analysis production system"> NODAL analysis production system</a>, <a href="https://publications.waset.org/abstracts/search?q=precipitation%20pressure%20onset" title=" precipitation pressure onset"> precipitation pressure onset</a>, <a href="https://publications.waset.org/abstracts/search?q=inhibitory%20molecule" title=" inhibitory molecule"> inhibitory molecule</a> </p> <a href="https://publications.waset.org/abstracts/83321/calculating-asphaltenes-precipitation-onset-pressure-by-using-cardanol-as-precipitation-inhibitor-a-strategy-to-increment-the-oil-well-production" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/83321.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">176</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">109</span> Factors Associated with Skin Injuries Due to the Use of N95 Masks among Brazilian Nursing Professionals</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elucir%20Gir">Elucir Gir</a>, <a href="https://publications.waset.org/abstracts/search?q=Laelson%20Rochelle%20Milan%C3%AAs%20Sousa"> Laelson Rochelle Milanês Sousa</a>, <a href="https://publications.waset.org/abstracts/search?q=Renata%20Karina%20Reis"> Renata Karina Reis</a>, <a href="https://publications.waset.org/abstracts/search?q=Soraia%20Assad%20Nasbine%20Rabeh"> Soraia Assad Nasbine Rabeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Mayra%20Gon%C3%A7alves%20Menegueti"> Mayra Gonçalves Menegueti</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Cristina%20de%20Oliveira%20e%20Silva"> Ana Cristina de Oliveira e Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Sheila%20Ara%C3%BAjo%20Teles"> Sheila Araújo Teles</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Context and significance: Nursing team professionals faced challenges in combating the COVID-19 pandemic around the world. They were subjected to exhausting workloads and prolonged use of Personal Protective Equipment. Using N95 masks for long periods of time can cause skin changes. In this context, health professionals who worked on the front lines of fighting the pandemic were more exposed to possible physical and psychological changes. Objective: The aim of the study was to analyze the factors associated with skin lesions resulting from the use of N95 masks among nursing team professionals. Method: The study was carried out in all regions of Brazil from October to December 2020, with professionals from the nursing team who worked in health care during the COVID-19 pandemic. Participants were recruited via social media, and information was collected electronically and stored on the Survey Monkey platform. Descriptive statistics were used to characterize the sample, association tests (Chi-square), with a statistical significance level of p < 0.05. Factors associated with skin lesions resulting from the use of an N95 mask were determined by Binary Logistic Regression, with a significance level of 5% (α = 0.05). Results: 8,405 nursing professionals participated in the study, 5,492 nurses (65.3%), 2,747 nursing technicians (32.7%), and 7,084 females (84.3%). Female nursing team professionals were 1.4 times more likely to develop skin lesions due to the use of N95 masks when compared to males (OR 1.4 [CI95% 1.22 – 1.59] p < 0.001). The following protective factors were identified: nursing technician (ORA 0.608 [CI95% 0.43 – 0.86] p = 0.005) and not having provided assistance in field hospitals for COVID-19 (0.73 [CI95% 0.65-0.81] p<0.000). Conclusion: It was concluded that female nursing team professionals were more likely to have skin changes related to the use of N95 masks. The need for intervention studies is emphasized in order to explore measures to prevent these types of injuries. Descritores: Nursing professionals; COVID-19; SARS-CoV-2; Brazil. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nursing%20professionals" title="nursing professionals">nursing professionals</a>, <a href="https://publications.waset.org/abstracts/search?q=COVID-19" title=" COVID-19"> COVID-19</a>, <a href="https://publications.waset.org/abstracts/search?q=SARS-CoV-2" title=" SARS-CoV-2"> SARS-CoV-2</a>, <a href="https://publications.waset.org/abstracts/search?q=Brazil" title=" Brazil"> Brazil</a> </p> <a href="https://publications.waset.org/abstracts/163294/factors-associated-with-skin-injuries-due-to-the-use-of-n95-masks-among-brazilian-nursing-professionals" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163294.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">73</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">108</span> The Influence of Alvar Aalto on the Early Work of Álvaro Siza</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eduardo%20Jorge%20Cabral%20dos%20Santos%20Fernandes">Eduardo Jorge Cabral dos Santos Fernandes</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The expression ‘Porto School’, usually associated with an educational institution, the School of Fine Arts of Porto, is applied for the first time with the sense of an architectural trend by Nuno Portas in a text published in 1983. The expression is used to characterize a set of works by Porto architects, in which common elements are found, namely the desire to reuse languages and forms of the German and Dutch rationalism of the twenties, using the work of Alvar Aalto as a mediation for the reinterpretation of these models. In the same year, Álvaro Siza classifies the Finnish architect as a miscegenation agent who transforms experienced models and introduces them to different realities in a text published in Jornal de Letras, Artes e Ideias. The influence of foreign models and their adaptation to the context has been a recurrent theme in Portuguese architecture, which finds important contributions in the writings of Alexandre Alves Costa, at this time. However, the identification of these characteristics in Siza’s work is not limited to the Portuguese theoretical production: it is the recognition of this attitude towards the context that leads Kenneth Frampton to include Siza in the restricted group of architects who embody Critical Regionalism (in his book Modern architecture: a critical history). For Frampton, his work focuses on the territory and on the consequences of the intervention in the context, viewing architecture as a tectonic fact rather than a series of scenographic episodes and emphasizing site-specific aspects (topography, light, climate). Therefore, the motto of this paper is the dichotomous opposition between foreign influences and adaptation to the context in the early work of Álvaro Siza (designed in the sixties) in which the influence (theoretical, methodological, and formal) of Alvar Aalto manifests itself in the form and the language: the pool at Quinta da Conceição, the Seaside Pools and the Tea House (three works in Leça da Palmeira) and the Lordelo Cooperative (in Porto). This work is part of a more comprehensive project, which considers several case studies throughout the Portuguese architect's vast career, built in Portugal and abroad, in order to obtain a holistic view. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alvar%20Aalto" title="Alvar Aalto">Alvar Aalto</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%81lvaro%20Siza" title=" Álvaro Siza"> Álvaro Siza</a>, <a href="https://publications.waset.org/abstracts/search?q=foreign%20influences" title=" foreign influences"> foreign influences</a>, <a href="https://publications.waset.org/abstracts/search?q=adaptation%20to%20the%20context" title=" adaptation to the context"> adaptation to the context</a> </p> <a href="https://publications.waset.org/abstracts/188394/the-influence-of-alvar-aalto-on-the-early-work-of-alvaro-siza" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/188394.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">30</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">107</span> Natural and Construction/Demolition Waste Aggregates: A Comparative Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Debora%20C.%20Mendes">Debora C. Mendes</a>, <a href="https://publications.waset.org/abstracts/search?q=Matthias%20Eckert"> Matthias Eckert</a>, <a href="https://publications.waset.org/abstracts/search?q=Claudia%20S.%20Mo%C3%A7o"> Claudia S. Moço</a>, <a href="https://publications.waset.org/abstracts/search?q=Helio%20Martins"> Helio Martins</a>, <a href="https://publications.waset.org/abstracts/search?q=Jean-Pierre%20Gon%C3%A7alves"> Jean-Pierre Gonçalves</a>, <a href="https://publications.waset.org/abstracts/search?q=Miguel%20Oliveira"> Miguel Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Jose%20P.%20Da%20Silva"> Jose P. Da Silva </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Disposal of construction and demolition waste (C&DW) in embankments in the periphery of cities causes both environmental and social problems. To achieve the management of C&DW, a detailed analysis of the properties of these materials should be done. In this work we report a comparative study of the physical, chemical and environmental properties of natural and C&DW aggregates from 25 different origins. Assays were performed according to European Standards. Analysis of heavy metals and organic compounds, namely polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs), were performed. Finally, properties of concrete prepared with C&DW aggregates are reported. Physical analyses of C&DW aggregates indicated lower quality properties than natural aggregates, particularly for concrete preparation and unbound layers of road pavements. Chemical properties showed that most samples (80%) meet the values required by European regulations for concrete and unbound layers of road pavements. Analyses of heavy metals Cd, Cr, Cu, Pb, Ni, Mo and Zn in the C&DW leachates showed levels below the limits established by the Council Decision of 19 December 2002. Identification and quantification of PCBs and PAHs indicated that few samples shows the presence of these compounds. The measured levels of PCBs and PAHs are also below the limits. Other compounds identified in the C&DW leachates include phthalates and diphenylmethanol. The characterized C&DW aggregates show lower quality properties than natural aggregates but most samples showed to be environmentally safe. A continuous monitoring of the presence of heavy metals and organic compounds should be made to trial safe C&DW aggregates. C&DW aggregates provide a good economic and environmental alternative to natural aggregates. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=concrete%20preparation" title="concrete preparation">concrete preparation</a>, <a href="https://publications.waset.org/abstracts/search?q=construction%20and%20demolition%20waste" title=" construction and demolition waste"> construction and demolition waste</a>, <a href="https://publications.waset.org/abstracts/search?q=heavy%20metals" title=" heavy metals"> heavy metals</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20pollutants" title=" organic pollutants"> organic pollutants</a> </p> <a href="https://publications.waset.org/abstracts/23650/natural-and-constructiondemolition-waste-aggregates-a-comparative-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23650.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">359</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">106</span> Application of Computational Fluid Dynamics in the Analysis of Water Flow in Rice Leaves</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marcio%20Mesquita">Marcio Mesquita</a>, <a href="https://publications.waset.org/abstracts/search?q=Diogo%20Henrique%20Morato%20de%20Moraes"> Diogo Henrique Morato de Moraes</a>, <a href="https://publications.waset.org/abstracts/search?q=Henrique%20Fonseca%20Elias%20de%20Oliveira"> Henrique Fonseca Elias de Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Rilner%20Alves%20Flores"> Rilner Alves Flores</a>, <a href="https://publications.waset.org/abstracts/search?q=Mateus%20Rodrigues%20Ferreira"> Mateus Rodrigues Ferreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Dalva%20Graciano%20Ribeiro"> Dalva Graciano Ribeiro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study aimed to analyze the movement of water in irrigated and non-irrigated rice (Oryza sativa L.) leaves, from the xylem to the stomata, through numerical simulations. Through three-dimensional modeling, it was possible to determine how the spacing of parenchyma cells and the permeability of these cells influence the apoplastic flow and the opening of the stomata. The thickness of the cuticle and the number of vascular bundles are greater in plants subjected to water stress, indicating an adaptive response of plants to environments with water deficit. In addition, numerical simulations revealed that the opening of the stomata, the permeability of the parenchyma cells and the cell spacing have significant impacts on the energy loss and the speed of water movement. It was observed that a more open stoma facilitates water flow, decreasing the resistance and energy required for transport, while higher levels of permeability reduce energy loss, indicating that a more permeable tissue allows for more efficient water transport. Furthermore, it was possible to note that stomatal aperture, parenchyma permeability and cell spacing are crucial factors in the efficient water management of plants, especially under water stress conditions. These insights are essential for the development of more effective agricultural management strategies and for the breeding of plant varieties that are more resistant to adverse growing conditions. Computed fluid dynamics has allowed us to overcome the limitations of conventional techniques by providing a means to visualize and understand the complex hydrodynamic processes within the vascular system of plants. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=numerical%20modeling" title="numerical modeling">numerical modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=vascular%20anatomy" title=" vascular anatomy"> vascular anatomy</a>, <a href="https://publications.waset.org/abstracts/search?q=vascular%20hydrodynamics" title=" vascular hydrodynamics"> vascular hydrodynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=xylem" title=" xylem"> xylem</a>, <a href="https://publications.waset.org/abstracts/search?q=Oryza%20sativa%20L." title=" Oryza sativa L."> Oryza sativa L.</a> </p> <a href="https://publications.waset.org/abstracts/192197/application-of-computational-fluid-dynamics-in-the-analysis-of-water-flow-in-rice-leaves" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/192197.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">17</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">105</span> Detecting Hate Speech And Cyberbullying Using Natural Language Processing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=N%C3%A1dia%20Pereira">Nádia Pereira</a>, <a href="https://publications.waset.org/abstracts/search?q=Paula%20Ferreira"> Paula Ferreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Sofia%20Francisco"> Sofia Francisco</a>, <a href="https://publications.waset.org/abstracts/search?q=Sofia%20Oliveira"> Sofia Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Sidclay%20Souza"> Sidclay Souza</a>, <a href="https://publications.waset.org/abstracts/search?q=Paula%20Paulino"> Paula Paulino</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Margarida%20Veiga%20Sim%C3%A3o"> Ana Margarida Veiga Simão</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Social media has progressed into a platform for hate speech among its users, and thus, there is an increasing need to develop automatic detection classifiers of offense and conflicts to help decrease the prevalence of such incidents. Online communication can be used to intentionally harm someone, which is why such classifiers could be essential in social networks. A possible application of these classifiers is the automatic detection of cyberbullying. Even though identifying the aggressive language used in online interactions could be important to build cyberbullying datasets, there are other criteria that must be considered. Being able to capture the language, which is indicative of the intent to harm others in a specific context of online interaction is fundamental. Offense and hate speech may be the foundation of online conflicts, which have become commonly used in social media and are an emergent research focus in machine learning and natural language processing. This study presents two Portuguese language offense-related datasets which serve as examples for future research and extend the study of the topic. The first is similar to other offense detection related datasets and is entitled Aggressiveness dataset. The second is a novelty because of the use of the history of the interaction between users and is entitled the Conflicts/Attacks dataset. Both datasets were developed in different phases. Firstly, we performed a content analysis of verbal aggression witnessed by adolescents in situations of cyberbullying. Secondly, we computed frequency analyses from the previous phase to gather lexical and linguistic cues used to identify potentially aggressive conflicts and attacks which were posted on Twitter. Thirdly, thorough annotation of real tweets was performed byindependent postgraduate educational psychologists with experience in cyberbullying research. Lastly, we benchmarked these datasets with other machine learning classifiers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aggression" title="aggression">aggression</a>, <a href="https://publications.waset.org/abstracts/search?q=classifiers" title=" classifiers"> classifiers</a>, <a href="https://publications.waset.org/abstracts/search?q=cyberbullying" title=" cyberbullying"> cyberbullying</a>, <a href="https://publications.waset.org/abstracts/search?q=datasets" title=" datasets"> datasets</a>, <a href="https://publications.waset.org/abstracts/search?q=hate%20speech" title=" hate speech"> hate speech</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a> </p> <a href="https://publications.waset.org/abstracts/142382/detecting-hate-speech-and-cyberbullying-using-natural-language-processing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142382.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">228</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">104</span> Calcein Release from Liposomes Mediated by Phospholipase A₂ Activity: Effect of Cholesterol and Amphipathic Di and Tri Blocks Copolymers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marco%20Soto-Arriaza">Marco Soto-Arriaza</a>, <a href="https://publications.waset.org/abstracts/search?q=Eduardo%20Cena-Ahumada"> Eduardo Cena-Ahumada</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaime%20Melendez-Rojel"> Jaime Melendez-Rojel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Liposomes have been widely used as a model of lipid bilayer to study the physicochemical properties of biological membrane, encapsulation, transport and release of different molecules. Furthermore, extensive research has focused on improving the efficiency in the transport of drugs, developing tools that improve the release of the encapsulated drug from liposomes. In this context, the enzymatic activity of PLA₂, despite having been shown to be an effective tool to promote the release of drugs from liposomes, is still an open field of research. Aim: The aim of the present study is to explore the effect of cholesterol (Cho) and amphipathic di- and tri-block copolymers, on calcein release mediated by enzymatic activity of PLA2 in Dipalmitoylphosphatidylcholine (DPPC) liposomes under physiological conditions. Methods: Different dispersions of DPPC, cholesterol, di-block POE₄₅-PCL₅₂ or tri-block PCL₁₂-POE₄₅-PCL₁₂ were prepared by the extrusion method after five freezing/thawing cycles; in Phosphate buffer 10mM pH 7.4 in presence of calcein. DPPC liposomes/Calcein were centrifuged at 15000rpm 10 min to separate free calcein. Enzymatic activity assays of PLA₂ were performed at 37°C using the TBS buffer pH 7.4. The size distribution, polydispersity, Z-potential and Calcein encapsulation of DPPC liposomes was monitored. Results: PLA₂ activity showed a slower kinetic of calcein release up to 20 mol% of cholesterol, evidencing a minimum at 10 mol% and then a maximum at 18 mol%. Regardless of the percentage of cholesterol, up to 18 mol% a one-hundred percentage release of calcein was observed. At higher cholesterol concentrations, PLA₂ showed to be inefficient or not to be involved in calcein release. In assays where copolymers were added in a concentration lower than their cmc, a similar behavior to those showed in the presence of Cho was observed, that is a slower kinetic in calcein release. In both experimental approaches, a one-hundred percentage of calcein release was observed. PLA₂ was shown to be sensitive to the 4-(4-Octadecylphenyl)-4-oxobutenoic acid inhibitor and calcium, reducing the release of calcein to 0%. Cell viability of HeLa cells decreased 7% in the presence of DPPC liposomes after 3 hours of incubation and 17% and 23% at 5 and 15 hours, respectively. Conclusion: Calcein release from DPPC liposomes, mediated by PLA₂ activity, depends on the percentage of cholesterol and the presence of copolymers. Both, cholesterol up to 20 mol% and copolymers below it cmc could be applied to the regulation of the kinetics of antitumoral drugs release without inducing cell toxicity per se. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=amphipathic%20copolymers" title="amphipathic copolymers">amphipathic copolymers</a>, <a href="https://publications.waset.org/abstracts/search?q=calcein%20release" title=" calcein release"> calcein release</a>, <a href="https://publications.waset.org/abstracts/search?q=cholesterol" title=" cholesterol"> cholesterol</a>, <a href="https://publications.waset.org/abstracts/search?q=DPPC%20liposome" title=" DPPC liposome"> DPPC liposome</a>, <a href="https://publications.waset.org/abstracts/search?q=phospholipase%20A%E2%82%82" title=" phospholipase A₂"> phospholipase A₂</a> </p> <a href="https://publications.waset.org/abstracts/138744/calcein-release-from-liposomes-mediated-by-phospholipase-a2-activity-effect-of-cholesterol-and-amphipathic-di-and-tri-blocks-copolymers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/138744.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">163</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">103</span> Moderate Electric Field Influence on Carotenoids Extraction Time from Heterochlorella luteoviridis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=D%C3%A9bora%20P.%20Jaeschke">Débora P. Jaeschke</a>, <a href="https://publications.waset.org/abstracts/search?q=Eduardo%20A.%20Merlo"> Eduardo A. Merlo</a>, <a href="https://publications.waset.org/abstracts/search?q=Rosane%20Rech"> Rosane Rech</a>, <a href="https://publications.waset.org/abstracts/search?q=Giovana%20D.%20Mercali"> Giovana D. Mercali</a>, <a href="https://publications.waset.org/abstracts/search?q=Ligia%20D.%20F.%20Marczak"> Ligia D. F. Marczak</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Carotenoids are high value added pigments that can be alternatively extracted from some microalgae species. However, the application of carotenoids synthetized by microalgae is still limited due to the utilization of organic toxic solvents. In this context, studies involving alternative extraction methods have been conducted with more sustainable solvents to replace and reduce the solvent volume and the extraction time. The aim of the present work was to evaluate the extraction time of carotenoids from the microalgae Heterochlorella luteoviridis using moderate electric field (MEF) as a pre-treatment to the extraction. The extraction methodology consisted of a pre-treatment in the presence of MEF (180 V) and ethanol (25 %, v/v) for 10 min, followed by a diffusive step performed for 50 min using a higher ethanol concentration (75 %, v/v). The extraction experiments were conducted at 30 °C and, to keep the temperature at this value, it was used an extraction cell with a water jacket that was connected to a water bath. Also, to enable the evaluation of MEF effect on the extraction, control experiments were performed using the same cell and conditions without voltage application. During the extraction experiments, samples were withdrawn at 1, 5 and 10 min of the pre-treatment and at 1, 5, 30, 40 and 50 min of the diffusive step. Samples were, then, centrifuged and carotenoids analyses were performed in the supernatant. Furthermore, an exhaustive extraction with ethyl acetate and methanol was performed, and the carotenoids content found for this analyses was considered as the total carotenoids content of the microalgae. The results showed that the application of MEF as a pre-treatment to the extraction influenced the extraction yield and the extraction time during the diffusive step; after the MEF pre-treatment and 50 min of the diffusive step, it was possible to extract up to 60 % of the total carotenoids content. Also, results found for carotenoids concentration of the extracts withdrawn at 5 and 30 min of the diffusive step did not presented statistical difference, meaning that carotenoids diffusion occurs mainly in the very beginning of the extraction. On the other hand, the results for control experiments showed that carotenoids diffusion occurs mostly during 30 min of the diffusive step, which evidenced MEF effect on the extraction time. Moreover, carotenoids concentration on samples withdrawn during the pre-treatment (1, 5 and 10 min) were below the quantification limit of the analyses, indicating that the extraction occurred in the diffusive step, when ethanol (75 %, v/v) was added to the medium. It is possible that MEF promoted cell membrane permeabilization and, when ethanol (75 %) was added, carotenoids interacted with the solvent and the diffusion occurred easily. Based on the results, it is possible to infer that MEF promoted the decrease of carotenoids extraction time due to the increasing of the permeability of the cell membrane which facilitates the diffusion from the cell to the medium. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=moderate%20electric%20field%20%28MEF%29" title="moderate electric field (MEF)">moderate electric field (MEF)</a>, <a href="https://publications.waset.org/abstracts/search?q=pigments" title=" pigments"> pigments</a>, <a href="https://publications.waset.org/abstracts/search?q=microalgae" title=" microalgae"> microalgae</a>, <a href="https://publications.waset.org/abstracts/search?q=ethanol" title=" ethanol"> ethanol</a> </p> <a href="https://publications.waset.org/abstracts/71584/moderate-electric-field-influence-on-carotenoids-extraction-time-from-heterochlorella-luteoviridis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/71584.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">463</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">102</span> Investigating the Motion of a Viscous Droplet in Natural Convection Using the Level Set Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Isadora%20Bugarin">Isadora Bugarin</a>, <a href="https://publications.waset.org/abstracts/search?q=Taygoara%20F.%20de%20Oliveira"> Taygoara F. de Oliveira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Binary fluids and emulsions, in general, are present in a vast range of industrial, medical, and scientific applications, showing complex behaviors responsible for defining the flow dynamics and the system operation. However, the literature describing those highlighted fluids in non-isothermal models is currently still limited. The present work brings a detailed investigation on droplet migration due to natural convection in square enclosure, aiming to clarify the effects of drop viscosity on the flow dynamics by showing how distinct viscosity ratios (droplet/ambient fluid) influence the drop motion and the final movement pattern kept on stationary regimes. The analysis was taken by observing distinct combinations of Rayleigh number, drop initial position, and viscosity ratios. The Navier-Stokes and Energy equations were solved considering the Boussinesq approximation in a laminar flow using the finite differences method combined with the Level Set method for binary flow solution. Previous results collected by the authors showed that the Rayleigh number and the drop initial position affect drastically the motion pattern of the droplet. For Ra ≥ 10⁴, two very marked behaviors were observed accordingly with the initial position: the drop can travel either a helical path towards the center or a cyclic circular path resulting in a closed cycle on the stationary regime. The variation of viscosity ratio showed a significant alteration of pattern, exposing a large influence on the droplet path, capable of modifying the flow’s behavior. Analyses on viscosity effects on the flow’s unsteady Nusselt number were also performed. Among the relevant contributions proposed in this work is the potential use of the flow initial conditions as a mechanism to control the droplet migration inside the enclosure. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=binary%20fluids" title="binary fluids">binary fluids</a>, <a href="https://publications.waset.org/abstracts/search?q=droplet%20motion" title=" droplet motion"> droplet motion</a>, <a href="https://publications.waset.org/abstracts/search?q=level%20set%20method" title=" level set method"> level set method</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20convection" title=" natural convection"> natural convection</a>, <a href="https://publications.waset.org/abstracts/search?q=viscosity" title=" viscosity"> viscosity</a> </p> <a href="https://publications.waset.org/abstracts/127629/investigating-the-motion-of-a-viscous-droplet-in-natural-convection-using-the-level-set-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/127629.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">120</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">101</span> Nutritional Impact in Patients Who Underwent Sleeve-Type Bariatric Surgery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Melissa%20Mattos">Melissa Mattos</a>, <a href="https://publications.waset.org/abstracts/search?q=Camila%20Lima"> Camila Lima</a>, <a href="https://publications.waset.org/abstracts/search?q=Ibraim%20Castro"> Ibraim Castro</a>, <a href="https://publications.waset.org/abstracts/search?q=Augusto%20Carioca"> Augusto Carioca</a>, <a href="https://publications.waset.org/abstracts/search?q=Saulo%20Magalh%C3%A3es"> Saulo Magalhães</a>, <a href="https://publications.waset.org/abstracts/search?q=Paula%20Freitas"> Paula Freitas</a>, <a href="https://publications.waset.org/abstracts/search?q=Keciany%20Oliveira"> Keciany Oliveira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Obesity is a chronic, multifactorial, relapsing disease that has increased dramatically over the years. Its control is considered a public health issue, and more and more treatments and interventions are being studied to reduce its prevalence. When interventions in lifestyle and the use of drugs do not generate lasting results, bariatric procedures emerge as a resource for obesity control. The main guidelines for the treatment of obesity emphasize the need for pre-procedure and post-procedure nutritional monitoring to avoid nutritional deficiencies that may occur. The individual who undergoes bariatric surgery needs to understand the changes that will be necessary for life in view of the intense anatomical and metabolic changes that result from surgical techniques. To assess the nutritional profile of patients who undergo bariatric surgery, we analyzed data from the medical records of all people who underwent sleeve-type bariatric surgery from January to June 2022 at a clinic in the City of Fortaleza. 38 patients were analyzed, 32 women and 6 men in the pre-surgical period, 6 and 12 months after surgery. The data showed an average weight loss of 24.45% at 6 months and 30.85% at 12 months, with a reduction of 21.32% and 30.41%, respectively, in the fat percentage, also indicating that 13.15% used drugs for weight loss during this period, leading to reflection on the isolated long-term efficacy of bariatric surgery, requiring multidisciplinary follow-up for a change in lifestyle. Only 12 individuals, corresponding to 31.57%, reached eutrophic BMI 12 months after surgery, 20 individuals remained overweight, corresponding to 52.63% of the sample, and 6 individuals (15.78%) remained in the BMI obese class I. As for body composition, there was a 52.39% reduction in fat mass and a 12.82% reduction in muscle mass, and 21% of individuals underwent cholecystectomy. Sleeve-type bariatric surgery promoted significant weight loss after 1 year of the procedure, with a reduction in body fat percentage and fat mass. Most patients were still overweight and had a significant reduction in muscle mass. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bariatric%20surgery" title="bariatric surgery">bariatric surgery</a>, <a href="https://publications.waset.org/abstracts/search?q=sleeve%20gastrectomy" title=" sleeve gastrectomy"> sleeve gastrectomy</a>, <a href="https://publications.waset.org/abstracts/search?q=obesity" title=" obesity"> obesity</a>, <a href="https://publications.waset.org/abstracts/search?q=sleeve" title=" sleeve"> sleeve</a> </p> <a href="https://publications.waset.org/abstracts/172261/nutritional-impact-in-patients-who-underwent-sleeve-type-bariatric-surgery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172261.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">68</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">100</span> Reverse Osmosis Application on Sewage Tertiary Treatment </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elisa%20K.%20Schoenell">Elisa K. Schoenell</a>, <a href="https://publications.waset.org/abstracts/search?q=Cristiano%20De%20Oliveira"> Cristiano De Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Luiz%20R.%20H.%20Dos%20Santos"> Luiz R. H. Dos Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexandre%20Giacobbo"> Alexandre Giacobbo</a>, <a href="https://publications.waset.org/abstracts/search?q=Andr%C3%A9a%20M.%20Bernardes"> Andréa M. Bernardes</a>, <a href="https://publications.waset.org/abstracts/search?q=Marco%20A.%20S.%20Rodrigues"> Marco A. S. Rodrigues</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Water is an indispensable natural resource, which must be preserved to human activities as well the ecosystems. However, the sewage discharge has been contaminating water resources. Conventional treatment, such as physicochemical treatment followed by biological processes, has not been efficient to the complete degradation of persistent organic compounds, such as medicines and hormones. Therefore, the use of advanced technologies to sewage treatment has become urgent and necessary. The aim of this study was to apply Reverse Osmosis (RO) on sewage tertiary treatment from a Waste Water Treatment Plant (WWTP) in south Brazil. It was collected 200 L of sewage pre-treated by wetland with aquatic macrophytes. The sewage was treated in a RO pilot plant, using a polyamide membrane BW30-4040 model (DOW FILMTEC), with 7.2 m² membrane area. In order to avoid damage to the equipment, this system contains a pleated polyester filter with 5 µm pore size. It was applied 8 bar until achieve 5 times of concentration, obtaining 80% of recovery of permeate, with 10 L.min-1 of concentrate flow rate. Samples of sewage pre-treated on WWTP, permeate and concentrate generated on RO was analyzed for physicochemical parameters and by gas chromatography (GC) to qualitative analysis of organic compounds. The results proved that the sewage treated on WWTP does not comply with the limit of phosphorus and nitrogen of Brazilian legislation. Besides this, it was found many organic compounds in this sewage, such as benzene, which is carcinogenic. Analyzing permeate results, it was verified that the RO as sewage tertiary treatment was efficient to remove of physicochemical parameters, achieving 100% of iron, copper, zinc and phosphorus removal, 98% of color removal, 91% of BOD and 62% of ammoniacal nitrogen. RO was capable of removing organic compounds, however, it was verified the presence of some organic compounds on de RO permeate, showing that RO did not have the capacity of removal all organic compounds of sewage. It has to be considered that permeate showed lower intensity of peaks in chromatogram in comparison to the sewage of WWTP. It is important to note that the concentrate generate on RO needs a treatment before its disposal in environment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=organic%20compounds" title="organic compounds">organic compounds</a>, <a href="https://publications.waset.org/abstracts/search?q=reverse%20osmosis" title=" reverse osmosis"> reverse osmosis</a>, <a href="https://publications.waset.org/abstracts/search?q=sewage%20treatment" title=" sewage treatment"> sewage treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=tertiary%20treatment" title=" tertiary treatment"> tertiary treatment</a> </p> <a href="https://publications.waset.org/abstracts/81550/reverse-osmosis-application-on-sewage-tertiary-treatment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81550.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">202</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">99</span> A Strategy to Oil Production Placement Zones Based on Maximum Closeness</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Waldir%20Roque">Waldir Roque</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Oliveira"> Gustavo Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Moises%20Santos"> Moises Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Tatiana%20Simoes"> Tatiana Simoes</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Increasing the oil recovery factor of an oil reservoir has been a concern of the oil industry. Usually, the production placement zones are defined after some analysis of geological and petrophysical parameters, being the rock porosity, permeability and oil saturation of fundamental importance. In this context, the determination of hydraulic flow units (HFUs) renders an important step in the process of reservoir characterization since it may provide specific regions in the reservoir with similar petrophysical and fluid flow properties and, in particular, techniques supporting the placement of production zones that favour the tracing of directional wells. A HFU is defined as a representative volume of a total reservoir rock in which petrophysical and fluid flow properties are internally consistent and predictably distinct of other reservoir rocks. Technically, a HFU is characterized as a rock region that exhibit flow zone indicator (FZI) points lying on a straight line of the unit slope. The goal of this paper is to provide a trustful indication for oil production placement zones for the best-fit HFUs. The FZI cloud of points can be obtained from the reservoir quality index (RQI), a function of effective porosity and permeability. Considering log and core data the HFUs are identified and using the discrete rock type (DRT) classification, a set of connected cell clusters can be found and by means a graph centrality metric, the maximum closeness (MaxC) cell is obtained for each cluster. Considering the MaxC cells as production zones, an extensive analysis, based on several oil recovery factor and oil cumulative production simulations were done for the SPE Model 2 and the UNISIM-I-D synthetic fields, where the later was build up from public data available from the actual Namorado Field, Campos Basin, in Brazil. The results have shown that the MaxC is actually technically feasible and very reliable as high performance production placement zones. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hydraulic%20flow%20unit" title="hydraulic flow unit">hydraulic flow unit</a>, <a href="https://publications.waset.org/abstracts/search?q=maximum%20closeness%20centrality" title=" maximum closeness centrality"> maximum closeness centrality</a>, <a href="https://publications.waset.org/abstracts/search?q=oil%20production%20simulation" title=" oil production simulation"> oil production simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=production%20placement%20zone" title=" production placement zone"> production placement zone</a> </p> <a href="https://publications.waset.org/abstracts/66485/a-strategy-to-oil-production-placement-zones-based-on-maximum-closeness" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/66485.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">329</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">98</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">97</span> Development of a Triangular Evaluation Protocol in a Multidisciplinary Design Process of an Ergometric Step</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20B.%20%20Ricardo%20De%20Oliveira">M. B. Ricardo De Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Borghi-Silva"> A. Borghi-Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Paravizo"> E. Paravizo</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Lizarelli"> F. Lizarelli</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Di%20Thomazzo"> L. Di Thomazzo</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Braatz"> D. Braatz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Prototypes are a critical feature in the product development process, as they help the project team visualize early concept flaws, communicate ideas and introduce an initial product testing. Involving stakeholders, such as consumers and users, in prototype tests allows the gathering of valuable feedback, contributing for a better product and making the design process more participatory. Even though recent studies have shown that user evaluation of prototypes is valuable, few articles provide a method or protocol on how designers should conduct it. This multidisciplinary study (involving the areas of physiotherapy, engineering and computer science) aims to develop an evaluation protocol, using an ergometric step prototype as the product prototype to be assessed. The protocol consisted of performing two tests (the 2 Minute Step Test and the Portability Test) to allow users (patients) and consumers (physiotherapists) to have an experience with the prototype. Furthermore, the protocol contained four Likert-Scale questionnaires (one for users and three for consumers), that inquired participants about how they perceived the design characteristics of the product (performance, safety, materials, maintenance, portability, usability and ergonomics), in their use of the prototype. Additionally, the protocol indicated the need to conduct interviews with the product designers, in order to link their feedback to the ones from the consumers and users. Both tests and interviews were recorded for further analysis. The participation criteria for the study was gender and age for patients, gender and experience with 2 Minute Step Test for physiotherapists and involvement level in the product development project for designers. The questionnaire's reliability was validated using Cronbach's Alpha and the quantitative data of the questionnaires were analyzed using non-parametric hypothesis tests with a significance level of 0.05 (p <0.05) and descriptive statistics. As a result, this study provides a concise evaluation protocol which can assist designers in their development process, collecting quantitative feedback from consumer and users, and qualitative feedback from designers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Product%20Design" title="Product Design">Product Design</a>, <a href="https://publications.waset.org/abstracts/search?q=Product%20Evaluation" title=" Product Evaluation"> Product Evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=Prototypes" title=" Prototypes"> Prototypes</a>, <a href="https://publications.waset.org/abstracts/search?q=Step" title=" Step"> Step</a> </p> <a href="https://publications.waset.org/abstracts/124022/development-of-a-triangular-evaluation-protocol-in-a-multidisciplinary-design-process-of-an-ergometric-step" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/124022.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> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">96</span> The Effectiveness of Concept Mapping as a Tool for Developing Critical Thinking in Undergraduate Medical Education: A BEME Systematic Review: BEME Guide No. 81</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marta%20Fonseca">Marta Fonseca</a>, <a href="https://publications.waset.org/abstracts/search?q=Pedro%20Marv%C3%A3o"> Pedro Marvão</a>, <a href="https://publications.waset.org/abstracts/search?q=Beatriz%20Oliveira"> Beatriz Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Bruno%20Heleno"> Bruno Heleno</a>, <a href="https://publications.waset.org/abstracts/search?q=Pedro%20Carreiro-Martins"> Pedro Carreiro-Martins</a>, <a href="https://publications.waset.org/abstracts/search?q=Nuno%20Neuparth"> Nuno Neuparth</a>, <a href="https://publications.waset.org/abstracts/search?q=Ant%C3%B3nio%20Rendas"> António Rendas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Concept maps (CMs) visually represent hierarchical connections among related ideas. They foster logical organization and clarify idea relationships, potentially aiding medical students in critical thinking (to think clearly and rationally about what to do or what to believe). However, there are inconsistent claims about the use of CMs in undergraduate medical education. Our three research questions are: 1) What studies have been published on concept mapping in undergraduate medical education? 2) What was the impact of CMs on students’ critical thinking? 3) How and why have these interventions had an educational impact? Methods: Eight databases were systematically searched (plus a manual and an additional search were conducted). After eliminating duplicate entries, titles, and abstracts, and full-texts were independently screened by two authors. Data extraction and quality assessment of the studies were independently performed by two authors. Qualitative and quantitative data were integrated using mixed-methods. The results were reported using the structured approach to the reporting in healthcare education of evidence synthesis statement and BEME guidance. Results: Thirty-nine studies were included from 26 journals (19 quantitative, 8 qualitative and 12 mixed-methods studies). CMs were considered as a tool to promote critical thinking, both in the perception of students and tutors, as well as in assessing students’ knowledge and/or skills. In addition to their role as facilitators of knowledge integration and critical thinking, CMs were considered both teaching and learning methods. Conclusions: CMs are teaching and learning tools which seem to help medical students develop critical thinking. This is due to the flexibility of the tool as a facilitator of knowledge integration, as a learning and teaching method. The wide range of contexts, purposes, and variations in how CMs and instruments to assess critical thinking are used increase our confidence that the positive effects are consistent. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=concept%20map" title="concept map">concept map</a>, <a href="https://publications.waset.org/abstracts/search?q=medical%20education" title=" medical education"> medical education</a>, <a href="https://publications.waset.org/abstracts/search?q=undergraduate" title=" undergraduate"> undergraduate</a>, <a href="https://publications.waset.org/abstracts/search?q=critical%20thinking" title=" critical thinking"> critical thinking</a>, <a href="https://publications.waset.org/abstracts/search?q=meaningful%20learning" title=" meaningful learning"> meaningful learning</a> </p> <a href="https://publications.waset.org/abstracts/172812/the-effectiveness-of-concept-mapping-as-a-tool-for-developing-critical-thinking-in-undergraduate-medical-education-a-beme-systematic-review-beme-guide-no-81" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172812.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> <ul class="pagination"> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Eduardo%20Oliveira&page=7" rel="prev">&lsaquo;</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Eduardo%20Oliveira&page=1">1</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Eduardo%20Oliveira&page=2">2</a></li> <li class="page-item"><a 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