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Reinaldo</title> <meta name="description" content="Search results for: Gustavo Reinaldo"> <meta name="keywords" content="Gustavo Reinaldo"> <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="Gustavo Reinaldo"> <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> 54</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Gustavo Reinaldo</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">54</span> Temporal Profile of Exercise-Induced Changes in Plasma Brain-Derived Neurotrophic Factor Levels of Schizophrenic Individuals</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Caroline%20Lavratti">Caroline Lavratti</a>, <a href="https://publications.waset.org/abstracts/search?q=Pedro%20Dal%20Lago"> Pedro Dal Lago</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Reinaldo"> Gustavo Reinaldo</a>, <a href="https://publications.waset.org/abstracts/search?q=Gilson%20Dorneles"> Gilson Dorneles</a>, <a href="https://publications.waset.org/abstracts/search?q=Andreia%20Bard"> Andreia Bard</a>, <a href="https://publications.waset.org/abstracts/search?q=Laira%20Fuhr"> Laira Fuhr</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniela%20Pochmann"> Daniela Pochmann</a>, <a href="https://publications.waset.org/abstracts/search?q=Alessandra%20Peres"> Alessandra Peres</a>, <a href="https://publications.waset.org/abstracts/search?q=Luciane%20Wagner"> Luciane Wagner</a>, <a href="https://publications.waset.org/abstracts/search?q=Viviane%20Elsner"> Viviane Elsner</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Approximately 1% of the world's population is affected by schizophrenia (SZ), a chronic and debilitating neurodevelopmental disorder. Among possible factors, reduced levels of Brain-derived neurotrophic factor (BDNF) has been recognized in physiopathogenesis and course of SZ. In this context, peripheral BDNF levels have been used as a biomarker in several clinical studies, since this neurotrophin is able to cross the blood-brain barrier in a bi-directional manner and seems to present a strong correlation with the central nervous system fluid levels. The patients with SZ usually adopts a sedentary lifestyle, which has been partly associated with the increase in obesity incidence rates, metabolic syndrome, type 2 diabetes and coronary heart disease. On the other hand, exercise, a non-invasive and low cost intervention, has been considered an important additional therapeutic option for this population, promoting benefits to physical and mental health. To our knowledge, few studies have been pointed out that the positive effects of exercise in SZ patients are mediated, at least in part, to enhanced levels of BDNF after training. However, these studies are focused on evaluating the effect of single bouts of exercise of chronic interventions, data concerning the short- and long-term exercise outcomes on BDNF are scarce. Therefore, this study aimed to evaluate the effect of a concurrent exercise protocol (CEP) on plasma BDNF levels of SZ patients in different time-points. Material and Methods: This study was approved by the Research Ethics Committee of the Centro Universitário Metodista do IPA (no 1.243.680/2015). The participants (n=15) were subbmited to the CEP during 90 days, 3 times a week for 60 minutes each session. In order to evaluate the short and long-term effects of exercise, blood samples were collected pre, 30, 60 and 90 days after the intervention began. Plasma BDNF levels were determined with the ELISA method, from Sigma-Aldrich commercial kit (catalog number RAB0026) according to manufacturer's instructions. Results: A remarkable increase on plasma BDNF levels at 90 days after training compared to baseline (p=0.006) and 30 days (p=0.007) values were observed. Conclusion: Our data are in agreement with several studies that show significant enhancement on BDNF levels in response to different exercise protocols in SZ individuals. We might suggest that BDNF upregulation after training in SZ patients acts in a dose-dependent manner, being more pronounced in response to chronic exposure. Acknowledgments: This work was supported by Fundação de Amparo à Pesquisa do Estado do Rio Grande do Sul (FAPERGS)/Brazil. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=exercise" title="exercise">exercise</a>, <a href="https://publications.waset.org/abstracts/search?q=BDNF" title=" BDNF"> BDNF</a>, <a href="https://publications.waset.org/abstracts/search?q=schizophrenia" title=" schizophrenia"> schizophrenia</a>, <a href="https://publications.waset.org/abstracts/search?q=time-points" title=" time-points"> time-points</a> </p> <a href="https://publications.waset.org/abstracts/61528/temporal-profile-of-exercise-induced-changes-in-plasma-brain-derived-neurotrophic-factor-levels-of-schizophrenic-individuals" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61528.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">252</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">53</span> Accuracy of a 3D-Printed Polymer Model for Producing Casting Mold</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ariangelo%20Hauer%20Dias%20Filho">Ariangelo Hauer Dias Filho</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Antoni%C3%A1comi%20de%20Carvalho"> Gustavo Antoniácomi de Carvalho</a>, <a href="https://publications.waset.org/abstracts/search?q=Benjamim%20de%20Melo%20Carvalho"> Benjamim de Melo Carvalho</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The work´s purpose was to evaluate the possibility of manufacturing casting tools utilizing Fused Filament Fabrication, a 3D printing technique, without any post-processing on the printed part. Taguchi Orthogonal array was used to evaluate the influence of extrusion temperature, bed temperature, layer height, and infill on the dimensional accuracy of a 3D-Printed Polymer Model. A Zeiss T-SCAN CS 3D Scanner was used for dimensional evaluation of the printed parts within the limit of ±0,2 mm. The mold capabilities were tested with the printed model to check how it would interact with the green sand. With little adjustments in the 3D model, it was possible to produce rapid tools without the need for post-processing for iron casting. The results are important for reducing time and cost in the development of such tools. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=additive%20manufacturing" title="additive manufacturing">additive manufacturing</a>, <a href="https://publications.waset.org/abstracts/search?q=Taguchi%20method" title=" Taguchi method"> Taguchi method</a>, <a href="https://publications.waset.org/abstracts/search?q=rapid%20tooling" title=" rapid tooling"> rapid tooling</a>, <a href="https://publications.waset.org/abstracts/search?q=fused%20filament%20fabrication" title=" fused filament fabrication"> fused filament fabrication</a>, <a href="https://publications.waset.org/abstracts/search?q=casting%20mold" title=" casting mold"> casting mold</a> </p> <a href="https://publications.waset.org/abstracts/152307/accuracy-of-a-3d-printed-polymer-model-for-producing-casting-mold" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152307.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">142</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">52</span> Modeling Route Selection Using Real-Time Information and GPS Data</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=William%20Albeiro%20Alvarez">William Albeiro Alvarez</a>, <a href="https://publications.waset.org/abstracts/search?q=Gloria%20Patricia%20Jaramillo"> Gloria Patricia Jaramillo</a>, <a href="https://publications.waset.org/abstracts/search?q=Ivan%20Reinaldo%20Sarmiento"> Ivan Reinaldo Sarmiento</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Understanding the behavior of individuals and the different human factors that influence the choice when faced with a complex system such as transportation is one of the most complicated aspects of measuring in the components that constitute the modeling of route choice due to that various behaviors and driving mode directly or indirectly affect the choice. During the last two decades, with the development of information and communications technologies, new data collection techniques have emerged such as GPS, geolocation with mobile phones, apps for choosing the route between origin and destination, individual service transport applications among others, where an interest has been generated to improve discrete choice models when considering the incorporation of these developments as well as psychological factors that affect decision making. This paper implements a discrete choice model that proposes and estimates a hybrid model that integrates route choice models and latent variables based on the observation on the route of a sample of public taxi drivers from the city of Medellín, Colombia in relation to its behavior, personality, socioeconomic characteristics, and driving mode. The set of choice options includes the routes generated by the individual service transport applications versus the driver's choice. The hybrid model consists of measurement equations that relate latent variables with measurement indicators and utilities with choice indicators along with structural equations that link the observable characteristics of drivers with latent variables and explanatory variables with utilities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=behavior%20choice%20model" title="behavior choice model">behavior choice model</a>, <a href="https://publications.waset.org/abstracts/search?q=human%20factors" title=" human factors"> human factors</a>, <a href="https://publications.waset.org/abstracts/search?q=hybrid%20model" title=" hybrid model"> hybrid model</a>, <a href="https://publications.waset.org/abstracts/search?q=real%20time%20data" title=" real time data"> real time data</a> </p> <a href="https://publications.waset.org/abstracts/119103/modeling-route-selection-using-real-time-information-and-gps-data" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/119103.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">152</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">51</span> Material Failure Process Simulation by Improved Finite Elements with Embedded Discontinuities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gelacio%20Ju%C3%A1rez-Luna">Gelacio Juárez-Luna</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Ayala"> Gustavo Ayala</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaime%20Retama-Velasco"> Jaime Retama-Velasco</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper shows the advantages of the material failure process simulation by improve finite elements with embedded discontinuities, using a new definition of traction vector, dependent on the discontinuity length and the angle. Particularly, two families of this kind of elements are compared: kinematically optimal symmetric and statically and kinematically optimal non-symmetric. The constitutive model to describe the behavior of the material in the symmetric formulation is a traction-displacement jump relationship equipped with softening after reaching the failure surface. To show the validity of this symmetric formulation, representative numerical examples illustrating the performance of the proposed formulation are presented. It is shown that the non-symmetric family may over or underestimate the energy required to create a discontinuity, as this effect is related with the total length of the discontinuity, fact that is not noticed when the discontinuity path is a straight line. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=variational%20formulation" title="variational formulation">variational formulation</a>, <a href="https://publications.waset.org/abstracts/search?q=strong%20discontinuity" title=" strong discontinuity"> strong discontinuity</a>, <a href="https://publications.waset.org/abstracts/search?q=embedded%20discontinuities" title=" embedded discontinuities"> embedded discontinuities</a>, <a href="https://publications.waset.org/abstracts/search?q=strain%20localization" title=" strain localization "> strain localization </a> </p> <a href="https://publications.waset.org/abstracts/7919/material-failure-process-simulation-by-improved-finite-elements-with-embedded-discontinuities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/7919.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">781</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">50</span> A Neuro-Automata Decision Support System for the Control of Late Blight in Tomato Crops</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gizelle%20K.%20Vianna">Gizelle K. Vianna</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20S.%20Oliveira"> Gustavo S. Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Gabriel%20V.%20Cunha"> Gabriel V. Cunha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The use of decision support systems in agriculture may help monitoring large fields of crops by automatically detecting the symptoms of foliage diseases. In our work, we designed and implemented a decision support system for small tomatoes producers. This work investigates ways to recognize the late blight disease from the analysis of digital images of tomatoes, using a pair of multilayer perceptron neural networks. The networks outputs are used to generate repainted tomato images in which the injuries on the plant are highlighted, and to calculate the damage level of each plant. Those levels are then used to construct a situation map of a farm where a cellular automata simulates the outbreak evolution over the fields. The simulator can test different pesticides actions, helping in the decision on when to start the spraying and in the analysis of losses and gains of each choice of action. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=artificial%20neural%20networks" title="artificial neural networks">artificial neural networks</a>, <a href="https://publications.waset.org/abstracts/search?q=cellular%20automata" title=" cellular automata"> cellular automata</a>, <a href="https://publications.waset.org/abstracts/search?q=decision%20support%20system" title=" decision support system"> decision support system</a>, <a href="https://publications.waset.org/abstracts/search?q=pattern%20recognition" title=" pattern recognition"> pattern recognition</a> </p> <a href="https://publications.waset.org/abstracts/63771/a-neuro-automata-decision-support-system-for-the-control-of-late-blight-in-tomato-crops" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63771.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">455</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">49</span> Using Artificial Vision Techniques for Dust Detection on Photovoltaic Panels</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Funes">Gustavo Funes</a>, <a href="https://publications.waset.org/abstracts/search?q=Eduardo%20Peters"> Eduardo Peters</a>, <a href="https://publications.waset.org/abstracts/search?q=Jose%20Delpiano"> Jose Delpiano</a> </p> <p class="card-text"><strong>Abstract:</strong></p> It is widely known that photovoltaic technology has been massively distributed over the last decade despite its low-efficiency ratio. Dust deposition reduces this efficiency even more, lowering the energy production and module lifespan. In this work, we developed an artificial vision algorithm based on CIELAB color space to identify dust over panels in an autonomous way. We performed several experiments photographing three different types of panels, 30W, 340W and 410W. Those panels were soiled artificially with uniform and non-uniform distributed dust. The algorithm proposed uses statistical tools to provide a simulation with a 100% soiled panel and then performs a comparison to get the percentage of dirt in the experimental data set. The simulation uses a seed that is obtained by taking a dust sample from the maximum amount of dust from the dataset. The final result is the dirt percentage and the possible distribution of dust over the panel. Dust deposition is a key factor for plant owners to determine cleaning cycles or identify nonuniform depositions that could lead to module failure and hot spots. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dust%20detection" title="dust detection">dust detection</a>, <a href="https://publications.waset.org/abstracts/search?q=photovoltaic" title=" photovoltaic"> photovoltaic</a>, <a href="https://publications.waset.org/abstracts/search?q=artificial%20vision" title=" artificial vision"> artificial vision</a>, <a href="https://publications.waset.org/abstracts/search?q=soiling" title=" soiling"> soiling</a> </p> <a href="https://publications.waset.org/abstracts/182064/using-artificial-vision-techniques-for-dust-detection-on-photovoltaic-panels" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/182064.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">50</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">48</span> A Low-Cost Experimental Approach for Teaching Energy Quantization: Determining the Planck Constant with Arduino and Led</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gast%C3%A3o%20Soares%20Ximenes%20de%20Oliveira">Gastão Soares Ximenes de Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Richar%20Nicol%C3%A1s%20Dur%C3%A1n"> Richar Nicolás Durán</a>, <a href="https://publications.waset.org/abstracts/search?q=Romeo%20Micah%20Szmoski"> Romeo Micah Szmoski</a>, <a href="https://publications.waset.org/abstracts/search?q=Eloiza%20Aparecida%20Avila%20de%20Matos"> Eloiza Aparecida Avila de Matos</a>, <a href="https://publications.waset.org/abstracts/search?q=Elano%20Gustavo%20Rein"> Elano Gustavo Rein</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article aims to present an experimental method to determine Planck's constant by calculating the cutting potential V₀ from LEDs with different wavelengths. The experiment is designed using Arduino as a central tool in order to make the experimental activity more engaging and attractive for students with the use of digital technologies. From the characteristic curves of each LED, graphical analysis was used to obtain the cutting potential, and knowing the corresponding wavelength, it was possible to calculate Planck's constant. This constant was also obtained from the linear adjustment of the cutting potential graph by the frequency of each LED. Given the relevance of Planck's constant in physics, it is believed that this experiment can offer teachers the opportunity to approach concepts from modern physics, such as the quantization of energy, in a more accessible and applied way in the classroom. This will not only enrich students' understanding of the fundamental nature of matter but also encourage deeper engagement with the principles of quantum physics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=physics%20teaching" title="physics teaching">physics teaching</a>, <a href="https://publications.waset.org/abstracts/search?q=educational%20technology" title=" educational technology"> educational technology</a>, <a href="https://publications.waset.org/abstracts/search?q=modern%20physics" title=" modern physics"> modern physics</a>, <a href="https://publications.waset.org/abstracts/search?q=Planck%20constant" title=" Planck constant"> Planck constant</a>, <a href="https://publications.waset.org/abstracts/search?q=Arduino" title=" Arduino"> Arduino</a> </p> <a href="https://publications.waset.org/abstracts/173953/a-low-cost-experimental-approach-for-teaching-energy-quantization-determining-the-planck-constant-with-arduino-and-led" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173953.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">47</span> An Agent-Based Modelling Simulation Approach to Calculate Processing Delay of GEO Satellite Payload</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=V.%20Vicente%20E.%20Mujica">V. Vicente E. Mujica</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Gonzalez"> Gustavo Gonzalez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The global coverage of broadband multimedia and internet-based services in terrestrial-satellite networks demand particular interests for satellite providers in order to enhance services with low latencies and high signal quality to diverse users. In particular, the delay of on-board processing is an inherent source of latency in a satellite communication that sometimes is discarded for the end-to-end delay of the satellite link. The frame work for this paper includes modelling of an on-orbit satellite payload using an agent model that can reproduce the properties of processing delays. In essence, a comparison of different spatial interpolation methods is carried out to evaluate physical data obtained by an GEO satellite in order to define a discretization function for determining that delay. Furthermore, the performance of the proposed agent and the development of a delay discretization function are together validated by simulating an hybrid satellite and terrestrial network. Simulation results show high accuracy according to the characteristics of initial data points of processing delay for Ku bands. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=terrestrial-satellite%20networks" title="terrestrial-satellite networks">terrestrial-satellite networks</a>, <a href="https://publications.waset.org/abstracts/search?q=latency" title=" latency"> latency</a>, <a href="https://publications.waset.org/abstracts/search?q=on-orbit%20satellite%20payload" title=" on-orbit satellite payload"> on-orbit satellite payload</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a> </p> <a href="https://publications.waset.org/abstracts/72448/an-agent-based-modelling-simulation-approach-to-calculate-processing-delay-of-geo-satellite-payload" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72448.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">271</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">46</span> A Data Science Pipeline for Algorithmic Trading: A Comparative Study in Applications to Finance and Cryptoeconomics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Luyao%20Zhang">Luyao Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Tianyu%20Wu"> Tianyu Wu</a>, <a href="https://publications.waset.org/abstracts/search?q=Jiayi%20Li"> Jiayi Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos-Gustavo%20Salas-Flores"> Carlos-Gustavo Salas-Flores</a>, <a href="https://publications.waset.org/abstracts/search?q=Saad%20Lahrichi"> Saad Lahrichi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Recent advances in AI have made algorithmic trading a central role in finance. However, current research and applications are disconnected information islands. We propose a generally applicable pipeline for designing, programming, and evaluating algorithmic trading of stock and crypto tokens. Moreover, we provide comparative case studies for four conventional algorithms, including moving average crossover, volume-weighted average price, sentiment analysis, and statistical arbitrage. Our study offers a systematic way to program and compare different trading strategies. Moreover, we implement our algorithms by object-oriented programming in Python3, which serves as open-source software for future academic research and applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=algorithmic%20trading" title="algorithmic trading">algorithmic trading</a>, <a href="https://publications.waset.org/abstracts/search?q=AI%20for%20finance" title=" AI for finance"> AI for finance</a>, <a href="https://publications.waset.org/abstracts/search?q=fintech" title=" fintech"> fintech</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=moving%20average%20crossover" title=" moving average crossover"> moving average crossover</a>, <a href="https://publications.waset.org/abstracts/search?q=volume%20weighted%20average%20price" title=" volume weighted average price"> volume weighted average price</a>, <a href="https://publications.waset.org/abstracts/search?q=sentiment%20analysis" title=" sentiment analysis"> sentiment analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=statistical%20arbitrage" title=" statistical arbitrage"> statistical arbitrage</a>, <a href="https://publications.waset.org/abstracts/search?q=pair%20trading" title=" pair trading"> pair trading</a>, <a href="https://publications.waset.org/abstracts/search?q=object-oriented%20programming" title=" object-oriented programming"> object-oriented programming</a>, <a href="https://publications.waset.org/abstracts/search?q=python3" title=" python3"> python3</a> </p> <a href="https://publications.waset.org/abstracts/146823/a-data-science-pipeline-for-algorithmic-trading-a-comparative-study-in-applications-to-finance-and-cryptoeconomics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/146823.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">144</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">45</span> Elastic and Plastic Collision Comparison Using Finite Element Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Rodrigues">Gustavo Rodrigues</a>, <a href="https://publications.waset.org/abstracts/search?q=Hans%20Weber"> Hans Weber</a>, <a href="https://publications.waset.org/abstracts/search?q=Larissa%20Driemeier"> Larissa Driemeier</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The prevision of post-impact conditions and the behavior of the bodies during the impact have been object of several collision models. The formulation from Hertz’s theory is generally used dated from the 19<sup>th</sup> century. These models consider the repulsive force as proportional to the deformation of the bodies under contact and may consider it proportional to the rate of deformation. The objective of the present work is to analyze the behavior of the bodies during impact using the Finite Element Method (FEM) with elastic and plastic material models. The main parameters to evaluate are, the contact force, the time of contact and the deformation of the bodies. An advantage of using the FEM approach is the possibility to apply a plastic deformation to the model according to the material definition: there will be used Johnson–Cook plasticity model whose parameters are obtained through empirical tests of real materials. This model allows analyzing the permanent deformation caused by impact, phenomenon observed in real world depending on the forces applied to the body. These results are compared between them and with the model-based Hertz theory. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=collision" title="collision">collision</a>, <a href="https://publications.waset.org/abstracts/search?q=impact%20models" title=" impact models"> impact models</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20method" title=" finite element method"> finite element method</a>, <a href="https://publications.waset.org/abstracts/search?q=Hertz%20Theory" title=" Hertz Theory"> Hertz Theory</a> </p> <a href="https://publications.waset.org/abstracts/96447/elastic-and-plastic-collision-comparison-using-finite-element-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/96447.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">175</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">44</span> Brain Computer Interface Implementation for Affective Computing Sensing: Classifiers Comparison</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ram%C3%B3n%20Aparicio-Garc%C3%ADa">Ramón Aparicio-García</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Ju%C3%A1rez%20Gracia"> Gustavo Juárez Gracia</a>, <a href="https://publications.waset.org/abstracts/search?q=Jes%C3%BAs%20%C3%81lvarez%20Cedillo"> Jesús Álvarez Cedillo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A research line of the computer science that involve the study of the Human-Computer Interaction (HCI), which search to recognize and interpret the user intent by the storage and the subsequent analysis of the electrical signals of the brain, for using them in the control of electronic devices. On the other hand, the affective computing research applies the human emotions in the HCI process helping to reduce the user frustration. This paper shows the results obtained during the hardware and software development of a Brain Computer Interface (BCI) capable of recognizing the human emotions through the association of the brain electrical activity patterns. The hardware involves the sensing stage and analogical-digital conversion. The interface software involves algorithms for pre-processing of the signal in time and frequency analysis and the classification of patterns associated with the electrical brain activity. The methods used for the analysis and classification of the signal have been tested separately, by using a database that is accessible to the public, besides to a comparison among classifiers in order to know the best performing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=affective%20computing" title="affective computing">affective computing</a>, <a href="https://publications.waset.org/abstracts/search?q=interface" title=" interface"> interface</a>, <a href="https://publications.waset.org/abstracts/search?q=brain" title=" brain"> brain</a>, <a href="https://publications.waset.org/abstracts/search?q=intelligent%20interaction" title=" intelligent interaction"> intelligent interaction</a> </p> <a href="https://publications.waset.org/abstracts/27725/brain-computer-interface-implementation-for-affective-computing-sensing-classifiers-comparison" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27725.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">388</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">43</span> Water Detection in Aerial Images Using Fuzzy Sets</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Caio%20Marcelo%20Nunes">Caio Marcelo Nunes</a>, <a href="https://publications.waset.org/abstracts/search?q=Anderson%20da%20Silva%20Soares"> Anderson da Silva Soares</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Teodoro%20Laureano"> Gustavo Teodoro Laureano</a>, <a href="https://publications.waset.org/abstracts/search?q=Clarimar%20Jose%20Coelho"> Clarimar Jose Coelho</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents a methodology to pixel recognition in aerial images using fuzzy $c$-means algorithm. This algorithm is a alternative to recognize areas considering uncertainties and inaccuracies. Traditional clustering technics are used in recognizing of multispectral images of earth's surface. This technics recognize well-defined borders that can be easily discretized. However, in the real world there are many areas with uncertainties and inaccuracies which can be mapped by clustering algorithms that use fuzzy sets. The methodology presents in this work is applied to multispectral images obtained from Landsat-5/TM satellite. The pixels are joined using the $c$-means algorithm. After, a classification process identify the types of surface according the patterns obtained from spectral response of image surface. The classes considered are, exposed soil, moist soil, vegetation, turbid water and clean water. The results obtained shows that the fuzzy clustering identify the real type of the earth's surface. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aerial%20images" title="aerial images">aerial images</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20clustering" title=" fuzzy clustering"> fuzzy clustering</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=pattern%20recognition" title=" pattern recognition"> pattern recognition</a> </p> <a href="https://publications.waset.org/abstracts/30574/water-detection-in-aerial-images-using-fuzzy-sets" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30574.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">482</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">42</span> Association between Bottle-Feeding Habit and Occlusal Disorders in Children 4-6 Years Old</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Roberta%20S.%20Ilinsky">Roberta S. Ilinsky</a>, <a href="https://publications.waset.org/abstracts/search?q=Livia%20Eisler"> Livia Eisler</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Mota"> Gustavo Mota</a>, <a href="https://publications.waset.org/abstracts/search?q=Kurt%20Faltin%20Jr."> Kurt Faltin Jr.</a>, <a href="https://publications.waset.org/abstracts/search?q=Cristina%20Lucia%20Feij%C3%B3%20Ortolani"> Cristina Lucia Feijó Ortolani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of the present study was to evaluate the presence of occlusal disorders associated with bottle feeding habits in children aged 4-6 years old. A cross-sectional study was performed in a sample of 466 preschool children aged 4-6 years, attending state preschools in the city of Sao Paulo, Brazil. Parents and caregivers answered a questionnaire about children’s oral habits, including bottle-feeding habit, and signed the Informed Consent form. The students underwent an oral examination to evaluate occlusal disorders. Data were analyzed by the SPSS 2.2 program (IBM, USA) and treated with non-parametric chi-square tests and multiple logistic regression with a significance level of p < 0.05. There was association between bottle-feeding and occlusal disorders (OR = 3.058, 95% CI = 1.561-5.991, PI < 0.001), with a higher significance for anterior open bite (OR = 2.855, 95% CI = 1.769-4.606, PI < 0.001) and canine class II (OR = 0.667, 95% CI = 0.449-0.990, PI < 0.045). There was no relationship between bottle-feeding habit and other occlusal disorders examined. It was possible to conclude that children who were bottle fed during childhood are more likely to develop occlusal disorders, especially anterior open bite and canine class II. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anterior%20open-bite" title="anterior open-bite">anterior open-bite</a>, <a href="https://publications.waset.org/abstracts/search?q=bottle-feeding" title=" bottle-feeding"> bottle-feeding</a>, <a href="https://publications.waset.org/abstracts/search?q=habits" title=" habits"> habits</a>, <a href="https://publications.waset.org/abstracts/search?q=malocclusion" title=" malocclusion"> malocclusion</a> </p> <a href="https://publications.waset.org/abstracts/96822/association-between-bottle-feeding-habit-and-occlusal-disorders-in-children-4-6-years-old" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/96822.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">178</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">41</span> Urinalysis by Surface-Enhanced Raman Spectroscopy on Gold Nanoparticles for Different Disease</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Leonardo%20C.%20Pacheco-Londo%C3%B1o">Leonardo C. Pacheco-Londoño</a>, <a href="https://publications.waset.org/abstracts/search?q=Nataly%20J.%20Galan-Freyle"> Nataly J. Galan-Freyle</a>, <a href="https://publications.waset.org/abstracts/search?q=Lisandro%20Pacheco-Lugo"> Lisandro Pacheco-Lugo</a>, <a href="https://publications.waset.org/abstracts/search?q=Antonio%20Acosta"> Antonio Acosta</a>, <a href="https://publications.waset.org/abstracts/search?q=Elkin%20Navarro"> Elkin Navarro</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Aroca-Mart%C3%ADnez"> Gustavo Aroca-Martínez</a>, <a href="https://publications.waset.org/abstracts/search?q=Karin%20Rond%C3%B3n-Payares"> Karin Rondón-Payares</a>, <a href="https://publications.waset.org/abstracts/search?q=Samuel%20P.%20Hern%C3%A1ndez-Rivera"> Samuel P. Hernández-Rivera</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In our Life Science Research Center of the University Simon Bolivar (LSRC), one of the focuses is the diagnosis and prognosis of different diseases; we have been implementing the use of gold nanoparticles (Au-NPs) for various biomedical applications. In this case, Au-NPs were used for Surface-Enhanced Raman Spectroscopy (SERS) in different diseases' diagnostics, such as Lupus Nephritis (LN), hypertension (H), preeclampsia (PC), and others. This methodology is proposed for the diagnosis of each disease. First, good signals of the different metabolites by SERS were obtained through a mixture of urine samples and Au-NPs. Second, PLS-DA models based on SERS spectra to discriminate each disease were able to differentiate between sick and healthy patients with different diseases. Finally, the sensibility and specificity for the different models were determined in the order of 0.9. On the other hand, a second methodology was developed using machine learning models from all data of the different diseases, and, as a result, a discriminant spectral map of the diseases was generated. These studies were possible thanks to joint research between two university research centers and two health sector entities, and the patient samples were treated with ethical rigor and their consent. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=SERS" title="SERS">SERS</a>, <a href="https://publications.waset.org/abstracts/search?q=Raman" title=" Raman"> Raman</a>, <a href="https://publications.waset.org/abstracts/search?q=PLS-DA" title=" PLS-DA"> PLS-DA</a>, <a href="https://publications.waset.org/abstracts/search?q=diseases" title=" diseases"> diseases</a> </p> <a href="https://publications.waset.org/abstracts/160183/urinalysis-by-surface-enhanced-raman-spectroscopy-on-gold-nanoparticles-for-different-disease" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160183.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">141</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">40</span> Tape-Shaped Multiscale Fiducial Marker: A Design Prototype for Indoor Localization</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marcell%20Serra%20de%20Almeida%20Martins">Marcell Serra de Almeida Martins</a>, <a href="https://publications.waset.org/abstracts/search?q=Benedito%20de%20Souza%20Ribeiro%20Neto"> Benedito de Souza Ribeiro Neto</a>, <a href="https://publications.waset.org/abstracts/search?q=Gerson%20Lima%20Serejo"> Gerson Lima Serejo</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Gustavo%20Resque%20Dos%20Santos"> Carlos Gustavo Resque Dos Santos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Indoor positioning systems use sensors such as Bluetooth, ZigBee, and Wi-Fi, as well as cameras for image capture, which can be fixed or mobile. These computer vision-based positioning approaches are low-cost to implement, mainly when it uses a mobile camera. The present study aims to create a design of a fiducial marker for a low-cost indoor localization system. The marker is tape-shaped to perform a continuous reading employing two detection algorithms, one for greater distances and another for smaller distances. Therefore, the location service is always operational, even with variations in capture distance. A minimal localization and reading algorithm were implemented for the proposed marker design, aiming to validate it. The accuracy tests consider readings varying the capture distance between [0.5, 10] meters, comparing the proposed marker with others. The tests showed that the proposed marker has a broader capture range than the ArUco and QRCode, maintaining the same size. Therefore, reducing the visual pollution and maximizing the tracking since the ambient can be covered entirely. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=multiscale%20recognition" title="multiscale recognition">multiscale recognition</a>, <a href="https://publications.waset.org/abstracts/search?q=indoor%20localization" title=" indoor localization"> indoor localization</a>, <a href="https://publications.waset.org/abstracts/search?q=tape-shaped%20marker" title=" tape-shaped marker"> tape-shaped marker</a>, <a href="https://publications.waset.org/abstracts/search?q=fiducial%20marker" title=" fiducial marker"> fiducial marker</a> </p> <a href="https://publications.waset.org/abstracts/163542/tape-shaped-multiscale-fiducial-marker-a-design-prototype-for-indoor-localization" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163542.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">134</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">39</span> Orthodontic Treatment Using CAD/CAM System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Cristiane%20C.%20B.%20Alves">Cristiane C. B. Alves</a>, <a href="https://publications.waset.org/abstracts/search?q=Livia%20Eisler"> Livia Eisler</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Mota"> Gustavo Mota</a>, <a href="https://publications.waset.org/abstracts/search?q=Kurt%20Faltin%20Jr."> Kurt Faltin Jr.</a>, <a href="https://publications.waset.org/abstracts/search?q=Cristina%20L.%20F.%20Ortolani"> Cristina L. F. Ortolani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The correct positioning of the brackets is essential for the success of orthodontic treatment. Indirect bracket placing technique has the main objective of eliminating the positioning errors, which commonly occur in the technique of direct system of brackets. The objective of this study is to demonstrate that the exact positioning of the brackets is of extreme relevance for the success of the treatment. The present work shows a case report of an adult female patient who attended the clinic with the complaint of being in orthodontic treatment for more than 5 years without noticing any progress. As a result of the intra-oral clinical examination and documentation analysis, a class III malocclusion, an anterior open bite, and absence of all third molars and first upper and lower bilateral premolars were observed. For the treatment, the indirect bonding technique with self-ligating ceramic braces was applied. The preparation of the trays was done after the intraoral digital scanning and printing of models with a 3D printer. Brackets were positioned virtually, using a specialized software. After twelve months of treatment, correction of the malocclusion was observed, as well as the closing of the anterior open bite. It is concluded that the adequate and precise positioning of brackets is necessary for a successful treatment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anterior%20open-bite" title="anterior open-bite">anterior open-bite</a>, <a href="https://publications.waset.org/abstracts/search?q=CAD%2FCAM" title=" CAD/CAM"> CAD/CAM</a>, <a href="https://publications.waset.org/abstracts/search?q=orthodontics" title=" orthodontics"> orthodontics</a>, <a href="https://publications.waset.org/abstracts/search?q=malocclusion" title=" malocclusion"> malocclusion</a>, <a href="https://publications.waset.org/abstracts/search?q=angle%20class%20III" title=" angle class III"> angle class III</a> </p> <a href="https://publications.waset.org/abstracts/96816/orthodontic-treatment-using-cadcam-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/96816.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">38</span> Ecosystem Services Assessment for Urban Nature-Based Solutions Implemented in the Public Space: Case Study of Alhambra Square in Bogotá, Colombia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Diego%20S%C3%A1nchez">Diego Sánchez</a>, <a href="https://publications.waset.org/abstracts/search?q=Sandra%20M.%20Aguilar"> Sandra M. Aguilar</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20F.%20G%C3%B3mez"> José F. Gómez</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Monta%C3%B1o"> Gustavo Montaño</a>, <a href="https://publications.waset.org/abstracts/search?q=Laura%20P.%20Otero"> Laura P. Otero</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20V.%20Rey"> Carlos V. Rey</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20A.%20Mart%C3%ADnez"> José A. Martínez</a>, <a href="https://publications.waset.org/abstracts/search?q=Juliana%20Robles"> Juliana Robles</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorge%20E.%20Burgos"> Jorge E. Burgos</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20S.%20L%C3%B3pez"> Juan S. López</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bogota is making efforts towards urban resilience through Nature-based Solutions (NbS) incorporation in public projects as a climate change resilience strategy. The urban renovation project on the Alhambra square includes Green Infrastructure (GI), like Sustainable Urban Drainage Systems (SUDS) and Urban Trees (UT), as ecosystem services (ES) boosters. This study analyzes 3 scenarios: (1) the initial situation without NbS, (2) the expected situation including NbS in the design and (3) the projection of the second one after 30 years, calculating the ecosystem services, the stormwater management benefits provided by SUDS and the cultural services. The obtained results contribute to the understanding of the urban NbS benefits in public spaces, providing valuable information to foster investment in sustainable projects and encouraging policy makers to integrate NbS in urban planning. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ecosystem%20services" title="ecosystem services">ecosystem services</a>, <a href="https://publications.waset.org/abstracts/search?q=nature-based%20solutions" title=" nature-based solutions"> nature-based solutions</a>, <a href="https://publications.waset.org/abstracts/search?q=stormwater%20management" title=" stormwater management"> stormwater management</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20urban%20drainage%20systems" title=" sustainable urban drainage systems"> sustainable urban drainage systems</a> </p> <a href="https://publications.waset.org/abstracts/151635/ecosystem-services-assessment-for-urban-nature-based-solutions-implemented-in-the-public-space-case-study-of-alhambra-square-in-bogota-colombia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/151635.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">156</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37</span> Challenge Based Learning Approach for a Craft Mezcal Kiln Energetic Redesign</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jonathan%20A.%20S%C3%A1nchez%20Mu%C3%B1oz">Jonathan A. Sánchez Muñoz</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Flores%20Era%C3%B1a"> Gustavo Flores Eraña</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20M.%20Silva"> Juan M. Silva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mexican Mezcal industry has reached attention during the last decade due to it has been a popular beverage demanded by North American and European markets, reaching popularity due to its crafty character. Despite its wide demand, productive processes are still made with rudimentary equipment, and there is a lack of evidence to improve kiln energy efficiency. Tec21 is a challenge-based learning curricular model implemented by Tecnológico de Monterrey since 2019, where each formation unit requires an industrial partner. “Problem processes solution” is a formation unity designed for mechatronics engineers, where students apply the acquired knowledge in thermofluids and apply electronic. During five weeks, students are immersed in an industrial problem to obtain a proper level of competencies according to formation unit designers. This work evaluates the competencies acquired by the student through qualitative research methodology. Several evaluation instruments (report, essay, and poster) were selected to evaluate etic argumentation, principles of sustainability, implemented actions, process modelling, and redesign feasibility. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=applied%20electronic" title="applied electronic">applied electronic</a>, <a href="https://publications.waset.org/abstracts/search?q=challenge%20based%20learning" title=" challenge based learning"> challenge based learning</a>, <a href="https://publications.waset.org/abstracts/search?q=competencies" title=" competencies"> competencies</a>, <a href="https://publications.waset.org/abstracts/search?q=mezcal%20industry" title=" mezcal industry"> mezcal industry</a>, <a href="https://publications.waset.org/abstracts/search?q=thermofluids" title=" thermofluids"> thermofluids</a> </p> <a href="https://publications.waset.org/abstracts/155778/challenge-based-learning-approach-for-a-craft-mezcal-kiln-energetic-redesign" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/155778.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">121</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">36</span> Characterization of Organic Matter in Spodosol Amazonian by Fluorescence Spectroscopy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amanda%20M.%20Tadini">Amanda M. Tadini</a>, <a href="https://publications.waset.org/abstracts/search?q=Houssam%20Hajjoul"> Houssam Hajjoul</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Nicolodelli"> Gustavo Nicolodelli</a>, <a href="https://publications.waset.org/abstracts/search?q=St%C3%A9phane%20Mounier"> Stéphane Mounier</a>, <a href="https://publications.waset.org/abstracts/search?q=C%C3%A9lia%20R.%20Montes"> Célia R. Montes</a>, <a href="https://publications.waset.org/abstracts/search?q=D%C3%A9bora%20M.%20B.%20P.%20Milori"> Débora M. B. P. Milori</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Soil organic matter (SOM) plays an important role in maintaining soil productivity and accounting for the promotion of biological diversity. The main components of the SOM are the humic substances which can be fractionated according to its solubility in humic acid (HA), fulvic acids (FA) and humin (HU). The determination of the chemical properties of organic matter as well as its interaction with metallic species is an important tool for understanding the structure of the humic fractions. Fluorescence spectroscopy has been studied as a source of information about what is happening at the molecular level in these compounds. Specially, soils of Amazon region are an important ecosystem of the planet. The aim of this study is to understand the molecular and structural composition of HA samples from Spodosol of Amazonia using the fluorescence Emission-Excitation Matrix (EEM) and Time Resolved Fluorescence Spectroscopy (TRFS). The results showed that the samples of HA showed two fluorescent components; one has a more complex structure and the other one has a simpler structure, which was also seen in TRFS through the evaluation of each sample lifetime. Thus, studies of this nature become important because it aims to evaluate the molecular and structural characteristics of the humic fractions in the region that is considered as one of the most important regions in the world, the Amazon. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amazonian%20soil" title="Amazonian soil">Amazonian soil</a>, <a href="https://publications.waset.org/abstracts/search?q=characterization" title=" characterization"> characterization</a>, <a href="https://publications.waset.org/abstracts/search?q=fluorescence" title=" fluorescence"> fluorescence</a>, <a href="https://publications.waset.org/abstracts/search?q=humic%20acid" title=" humic acid"> humic acid</a>, <a href="https://publications.waset.org/abstracts/search?q=lifetime" title=" lifetime"> lifetime</a> </p> <a href="https://publications.waset.org/abstracts/57917/characterization-of-organic-matter-in-spodosol-amazonian-by-fluorescence-spectroscopy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57917.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">610</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">35</span> Urinary Neutrophil Gelatinase Associated Lipocalin as Diagnostic Biomarkers for Lupus Nephritis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lorena%20G%C3%B3Mez%20Escorcia">Lorena GóMez Escorcia</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Aroca%20Mart%C3%ADNez"> Gustavo Aroca MartíNez</a>, <a href="https://publications.waset.org/abstracts/search?q=Jose%20Luiz%20Villarreal"> Jose Luiz Villarreal</a>, <a href="https://publications.waset.org/abstracts/search?q=Elkin%20Navarro%20Quiroz"> Elkin Navarro Quiroz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lupus nephritis (LN) is a high-cost disease, occurring in about half of patients with Systemic Lupus Erythematosus (SLE). Renal biopsy constitutes the only protocol that, to date, allows a correct diagnosis of the level of renal involvement in these patients. However, this procedure can have various adverse effects such as kidney bleeding, muscle bleeding, infection, pain, among others. Therefore, the development of new diagnostic alternatives is required. The neutrophil gelatinase-associated lipocalin (NGAL) has been emerging as a novel biomarker of acute kidney injury. The aim of this study was to assess urinary NGAL levels as a marker for disease activity in patients with lupus nephritis. For this work included 50 systemic lupus erythematosus (SLE) patients, 50 with active lupus nephritis (LN), and 50 without autoimmune and renal disease as controls. TNGAL in urine samples was measured by enzyme-linked immunosorbent assay (ELISA). The results revealed that patients with kidney damage had an elevated urinary NGAL as compared to patients with lupus without kidney damage and controls (p <0.005), and the mean of uNGAL was (28.72 ± 4.53), (19.51 ± 4.72), (8.91 ± 3.37) respectively. Measurement of urinary NGAL levels showed a very good diagnostic performance for discriminating patients with Lupus nephritis from SLE without renal damage and of control individuals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=lupus%20nephritis" title="lupus nephritis">lupus nephritis</a>, <a href="https://publications.waset.org/abstracts/search?q=biomarker" title=" biomarker"> biomarker</a>, <a href="https://publications.waset.org/abstracts/search?q=NGAL" title=" NGAL"> NGAL</a>, <a href="https://publications.waset.org/abstracts/search?q=urine%20samples" title=" urine samples"> urine samples</a> </p> <a href="https://publications.waset.org/abstracts/139650/urinary-neutrophil-gelatinase-associated-lipocalin-as-diagnostic-biomarkers-for-lupus-nephritis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/139650.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">207</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">34</span> A Neural Network Classifier for Estimation of the Degree of Infestation by Late Blight on Tomato Leaves</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gizelle%20K.%20Vianna">Gizelle K. Vianna</a>, <a href="https://publications.waset.org/abstracts/search?q=Gabriel%20V.%20Cunha"> Gabriel V. Cunha</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20S.%20Oliveira"> Gustavo S. Oliveira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Foliage diseases in plants can cause a reduction in both quality and quantity of agricultural production. Intelligent detection of plant diseases is an essential research topic as it may help monitoring large fields of crops by automatically detecting the symptoms of foliage diseases. This work investigates ways to recognize the late blight disease from the analysis of tomato digital images, collected directly from the field. A pair of multilayer perceptron neural network analyzes the digital images, using data from both RGB and HSL color models, and classifies each image pixel. One neural network is responsible for the identification of healthy regions of the tomato leaf, while the other identifies the injured regions. The outputs of both networks are combined to generate the final classification of each pixel from the image and the pixel classes are used to repaint the original tomato images by using a color representation that highlights the injuries on the plant. The new images will have only green, red or black pixels, if they came from healthy or injured portions of the leaf, or from the background of the image, respectively. The system presented an accuracy of 97% in detection and estimation of the level of damage on the tomato leaves caused by late blight. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=artificial%20neural%20networks" title="artificial neural networks">artificial neural networks</a>, <a href="https://publications.waset.org/abstracts/search?q=digital%20image%20processing" title=" digital image processing"> digital image processing</a>, <a href="https://publications.waset.org/abstracts/search?q=pattern%20recognition" title=" pattern recognition"> pattern recognition</a>, <a href="https://publications.waset.org/abstracts/search?q=phytosanitary" title=" phytosanitary"> phytosanitary</a> </p> <a href="https://publications.waset.org/abstracts/61726/a-neural-network-classifier-for-estimation-of-the-degree-of-infestation-by-late-blight-on-tomato-leaves" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61726.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">327</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">33</span> Methodology of Preliminary Design and Performance of a Axial-Flow Fan through CFD</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ramiro%20Gustavo%20Ramirez%20Camacho">Ramiro Gustavo Ramirez Camacho</a>, <a href="https://publications.waset.org/abstracts/search?q=Waldir%20%20De%20Oliveira"> Waldir De Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Eraldo%20Cruz%20Dos%20Santos"> Eraldo Cruz Dos Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Edna%20Raimunda%20%20Da%20Silva"> Edna Raimunda Da Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Tania%20Marie%20%20Arispe%20Angulo"> Tania Marie Arispe Angulo</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Eduardo%20Alves%20%20Da%20Costa"> Carlos Eduardo Alves Da Costa</a>, <a href="https://publications.waset.org/abstracts/search?q=T%C3%A2nia%20Cristina%20Alves%20%20Dos%20Reis"> Tânia Cristina Alves Dos Reis</a> </p> <p class="card-text"><strong>Abstract:</strong></p> It presents a preliminary design methodology of an axial fan based on the lift wing theory and the potential vortex hypothesis. The literature considers a study of acoustic and engineering expertise to model a fan with low noise. Axial fans with inadequate intake geometry, often suffer poor condition of the flow at the entrance, varying from velocity profiles spatially asymmetric to swirl floating with respect to time, this produces random forces acting on the blades. This produces broadband gust noise which in most cases triggers the tonal noise. The analysis of the axial flow fan will be conducted for the solution of the Navier-Stokes equations and models of turbulence in steady and transitory (RANS - URANS) 3-D, in order to find an efficient aerodynamic design, with low noise and suitable for industrial installation. Therefore, the process will require the use of computational optimization methods, aerodynamic design methodologies, and numerical methods as CFD- Computational Fluid Dynamics. The objective is the development of the methodology of the construction axial fan, provide of design the geometry of the blade, and evaluate aerodynamic performance <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Axial%20fan%20design" title="Axial fan design">Axial fan design</a>, <a href="https://publications.waset.org/abstracts/search?q=CFD" title=" CFD"> CFD</a>, <a href="https://publications.waset.org/abstracts/search?q=Preliminary%20Design" title=" Preliminary Design"> Preliminary Design</a>, <a href="https://publications.waset.org/abstracts/search?q=Optimization" title=" Optimization"> Optimization</a> </p> <a href="https://publications.waset.org/abstracts/58823/methodology-of-preliminary-design-and-performance-of-a-axial-flow-fan-through-cfd" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58823.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">395</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">32</span> 1H-NMR Spectra of Diesel-Biodiesel Blends to Evaluate the Quality and Determine the Adulteration of Biodiesel with Vegetable Oil</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Luis%20F.%20Bianchessi">Luis F. Bianchessi</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20G.%20Shimamoto"> Gustavo G. Shimamoto</a>, <a href="https://publications.waset.org/abstracts/search?q=Matthieu%20Tubino"> Matthieu Tubino</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The use of biodiesel has been diffused in Brazil and all over the world by the trading of biodiesel (B100). In Brazil, the diesel oil currently being sold is a blend, containing 7% biodiesel (B7). In this context, it is necessary to develop methods capable of identifying this blend composition, especially regarding the biodiesel quality used for making these blends. In this study, hydrogen nuclear magnetic resonance spectra (1H-NMR) are proposed as a form of identifying and confirming the quality of type B10 blends (10% of biodiesel and 90% of diesel). Furthermore, the presence of vegetable oils, which may be from fuel adulteration or as an evidence of low degree of transesterification conversion during the synthesis of B100, may also be identified. Mixtures of diesel, vegetable oils and their respective biodiesel were prepared. Soybean oil and macauba kernel oil were used as raw material. The diesel proportion remained fixed at 90%. The other proportion (10%) was varied in terms of vegetable oil and biodiesel. The 1H-NMR spectra were obtained for each one of the mixtures, in order to find a correlation between the spectra and the amount of biodiesel, as well as the amount of residual vegetable oil. The ratio of the integral of the methylenic hydrogen H-2 of glycerol (exclusive of vegetable oil) with respect to the integral of the olefinic hydrogens (present in vegetable oil and biodiesel) was obtained. These ratios were correlated with the percentage of vegetable oil in each mixture, from 0% to 10%. The obtained correlation could be described by linear relationships with R2 of 0.9929 for soybean biodiesel and 0.9982 for macauba kernel biodiesel. Preliminary results show that the technique can be used to monitor the biodiesel quality in commercial diesel-biodiesel blends, besides indicating possible adulteration. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biodiesel" title="biodiesel">biodiesel</a>, <a href="https://publications.waset.org/abstracts/search?q=diesel" title=" diesel"> diesel</a>, <a href="https://publications.waset.org/abstracts/search?q=biodiesel%20quality" title=" biodiesel quality"> biodiesel quality</a>, <a href="https://publications.waset.org/abstracts/search?q=adulteration" title=" adulteration"> adulteration</a> </p> <a href="https://publications.waset.org/abstracts/34605/1h-nmr-spectra-of-diesel-biodiesel-blends-to-evaluate-the-quality-and-determine-the-adulteration-of-biodiesel-with-vegetable-oil" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34605.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">623</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">31</span> Out of Pocket Costs for Patients with Tuberculosis in Colombia: Evidence from Three Metropolitan Areas</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jose%20Hernandez">Jose Hernandez</a>, <a href="https://publications.waset.org/abstracts/search?q=Lina%20Mart%C3%ADnez"> Lina Martínez</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Gonzalez"> Gustavo Gonzalez</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20L%C3%A1zaro"> Carlos Lázaro</a>, <a href="https://publications.waset.org/abstracts/search?q=Diana%20Castrillon"> Diana Castrillon</a>, <a href="https://publications.waset.org/abstracts/search?q=Jonathan%20Cardona"> Jonathan Cardona</a>, <a href="https://publications.waset.org/abstracts/search?q=Laura%20Mej%C3%ADa"> Laura Mejía</a>, <a href="https://publications.waset.org/abstracts/search?q=Yina%20Sanchez"> Yina Sanchez</a>, <a href="https://publications.waset.org/abstracts/search?q=Luisa%20Ochoa"> Luisa Ochoa</a>, <a href="https://publications.waset.org/abstracts/search?q=Evert%20Jimenez"> Evert Jimenez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objectives: Economic analyses of tuberculosis control interventions are usually focused on the payer’s perspective. To assess the overall economic impact of the disease, out-of-pocket and indirect costs are also required. This research is aimed to estimate overall economic impact under DOTS-strategy (Directly Observed Therapy Short Course). Methods: A cross-sectional survey of 91 adult tuberculosis patients in treatment for at least two months was conducted from the society perspective. A standardized questionnaire was used in three different cities of Colombia: Medellin (poverty is 17.7%), Monteria (poverty is 36.9%) and Quibdó (poverty is 51.2%). Costs were converted to 2013 USD and categorized into two periods: diagnostics phase and treatment. Results: The median cost during diagnostics was 13$ (±SD 9.5). The median monthly patient out-of-pocket costs during treatment were 32$ (±SD 6.8), equivalent to 17% of patient’s median monthly income, estimated in 186$ (±SD 23). Costs recorded in Medellin were 47$ in Monteria was 18$ and in Quibdó was 13$. Conclusion: Patient costs under DOTS strategy are high even when services are provided free of charge. The creation or strengthening of community-based treatment supervisors could greatly impact costs of tuberculosis and lower drop-outs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tuberculosis" title="tuberculosis">tuberculosis</a>, <a href="https://publications.waset.org/abstracts/search?q=costs%20and%20cost%20analysis" title=" costs and cost analysis"> costs and cost analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=health%20promotion" title=" health promotion"> health promotion</a>, <a href="https://publications.waset.org/abstracts/search?q=Colombia" title=" Colombia"> Colombia</a> </p> <a href="https://publications.waset.org/abstracts/5825/out-of-pocket-costs-for-patients-with-tuberculosis-in-colombia-evidence-from-three-metropolitan-areas" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5825.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">367</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">30</span> Preliminary Design of an Aerodynamic Protection for the Scramjet Engine Inlet of the Brazilian Technological Demonstrator Scramjet 14-X S</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20J.%20Costa">Gustavo J. Costa</a>, <a href="https://publications.waset.org/abstracts/search?q=Felipe%20J.%20Costa"> Felipe J. Costa</a>, <a href="https://publications.waset.org/abstracts/search?q=Bruno%20L.%20%20Coelho"> Bruno L. Coelho</a>, <a href="https://publications.waset.org/abstracts/search?q=Ronaldo%20L.%20Cardoso"> Ronaldo L. Cardoso</a>, <a href="https://publications.waset.org/abstracts/search?q=Rafael%20O.%20Santos"> Rafael O. Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Israel%20S.%20R%C3%AAgo"> Israel S. Rêgo</a>, <a href="https://publications.waset.org/abstracts/search?q=Marco%20A.%20S.%20Minucci"> Marco A. S. Minucci</a>, <a href="https://publications.waset.org/abstracts/search?q=Antonio%20C.%20%20Oliveira"> Antonio C. Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Paulo%20G.%20P.%20Toro"> Paulo G. P. Toro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Prof. Henry T. Nagamatsu Aerothermodynamics and Hipersonics Laboratory, of the Institute for Advanced Studies (IEAv) conducts research and development (R&D) of the Technological Demonstrator scramjet 14-X S, aiming atmospheric flight at 30 km altitude with the speed correspondent to Mach number 7, using scramjet technology providing hypersonic propulsion system based on supersonic combustion. Hypersonic aerospace vehicles with air-breathing supersonic propulsion system face extremal environments for super/hypersonic flights in terms of thermal and aerodynamic loads. Thus, it is necessary to use aerodynamic protection at the scramjet engine inlet to face the thermal and aerodynamic loads without compromising the efficiency of scramjet engine, taking into account: i) inlet design (boundary layer, oblique shockwave and reflected oblique shockwave); ii) wall temperature of the cowl and of the compression ramp; iii) supersonic flow into the combustion chamber. The aerodynamic protection of the scramjet engine inlet will act to prevent the engine unstart and match the predictions made by theoretical-analytical, numerical analysis and experimental research, during the atmospheric flight of the Technological Demonstrator scramjet 14-X S. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=14-X" title="14-X">14-X</a>, <a href="https://publications.waset.org/abstracts/search?q=hypersonic" title=" hypersonic"> hypersonic</a>, <a href="https://publications.waset.org/abstracts/search?q=scramjet" title=" scramjet"> scramjet</a>, <a href="https://publications.waset.org/abstracts/search?q=supersonic%20combustion" title=" supersonic combustion"> supersonic combustion</a> </p> <a href="https://publications.waset.org/abstracts/59517/preliminary-design-of-an-aerodynamic-protection-for-the-scramjet-engine-inlet-of-the-brazilian-technological-demonstrator-scramjet-14-x-s" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59517.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">425</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">29</span> Development and Characterization of Re-Entrant Auxetic Fibrous Structures for Application in Ballistic Composites </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rui%20Magalh%C3%A3es">Rui Magalhães</a>, <a href="https://publications.waset.org/abstracts/search?q=Sohel%20Rana"> Sohel Rana</a>, <a href="https://publications.waset.org/abstracts/search?q=Raul%20Fangueiro"> Raul Fangueiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Clara%20Gon%C3%A7alves"> Clara Gonçalves</a>, <a href="https://publications.waset.org/abstracts/search?q=Pedro%20Nunes"> Pedro Nunes</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Dias"> Gustavo Dias</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Auxetic fibrous structures and composites with negative Poisson’s ratio (NPR) have huge potential for application in ballistic protection due to their high energy absorption and excellent impact resistance. In the present research, re-entrant lozenge auxetic fibrous structures were produced through weft knitting technology using high performance polyamide and para-aramid fibres. Fabric structural parameters (e.g. loop length) and machine parameters (e.g. take down load) were varied in order to investigate their influence on the auxetic behaviours of the produced structures. These auxetic structures were then impregnated with two types of polymeric resins (epoxy and polyester) to produce composite materials, which were subsequently characterized for the auxetic behaviour. It was observed that the knitted fabrics produced using the polyamide yarns exhibited NPR over a wide deformation range, which was strongly dependant on the loop length and take down load. The polymeric composites produced from the auxetic fabrics also showed good auxetic property, which was superior in case of the polyester matrix. The experimental results suggested that these composites made from the auxetic fibrous structures can be properly designed to find potential use in the body amours for personal protection applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=auxetic%20fabrics" title="auxetic fabrics">auxetic fabrics</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20performance" title=" high performance"> high performance</a>, <a href="https://publications.waset.org/abstracts/search?q=composites" title=" composites"> composites</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20absorption" title=" energy absorption"> energy absorption</a>, <a href="https://publications.waset.org/abstracts/search?q=impact%20resistance" title=" impact resistance"> impact resistance</a> </p> <a href="https://publications.waset.org/abstracts/89742/development-and-characterization-of-re-entrant-auxetic-fibrous-structures-for-application-in-ballistic-composites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/89742.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">254</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">28</span> Work-Related Shoulder Lesions and Labor Lawsuits in Brazil: Cross-Sectional Study on Worker Health Actions Developed by Employers </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Reinaldo%20Biscaro">Reinaldo Biscaro</a>, <a href="https://publications.waset.org/abstracts/search?q=Luciano%20R.%20Ferreira"> Luciano R. Ferreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Leonardo%20C.%20Biscaro"> Leonardo C. Biscaro</a>, <a href="https://publications.waset.org/abstracts/search?q=Raphael%20C.%20Biscaro"> Raphael C. Biscaro</a>, <a href="https://publications.waset.org/abstracts/search?q=Isabela%20S.%20Vasconcelos"> Isabela S. Vasconcelos</a>, <a href="https://publications.waset.org/abstracts/search?q=Laura%20C.%20R.%20Ferreira"> Laura C. R. Ferreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Cristiano%20M.%20Galhardi"> Cristiano M. Galhardi</a>, <a href="https://publications.waset.org/abstracts/search?q=Erica%20P.%20Baciuk"> Erica P. Baciuk</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: The present study had the objective to present the profile of workers with shoulder disorders related to labor lawsuits in Brazil. The study analyzed the association between the worker’s health and the actions performed by the companies related to injured professional. The research method performed a retrospective, cross-sectional and quantitative database analysis. The documents of labor lawsuits with shoulder injury registered at the Regional Labor Court in the 15<sup>th</sup> region (Campinas - São Paulo) were submitted to the medical examination and evaluated during the period from 2012 until 2015. The data collected were age, gender, onset of symptoms, length of service, current occupation, type of shoulder injury, referred complaints, type of acromion, associated or related diseases, company actions as CAT (workplace accident communication), compliance of NR7 by the organization (Environmental Risk Prevention Program - PPRA and Medical Coordination Program in Occupational Health - PCMSO). Results: From the 93 workers evaluated, there was a prevalence of men (58.1%), with a mean age of 42.6 y-o, and 54.8% were included in the age group 35-49 years. Regarding the length of work time in the company, 66.7% have worked for more than 5 years. There was an association between gender and current occupational status (p < 0.005), with predominance of women in household occupation (13 vs. 2) and predominance of unemployed men in job search situation (24 vs. 10) and reintegrated to work by judicial decision (8 vs. 2). There was also a correlation between pain and functional limitation (p < 0.01). There was a positive association of PPRA with the complaint of functional limitation and negative association with pain (p < 0.04). There was also a correlation between the sedentary lifestyle and the presence of PCMSO and PPRA (p < 0.04), and the absence of CAT in the companies (p < 0.001). It was concluded that the appearance or aggravation of osseous and articular shoulder pathologies in workers who have undertaken labor law suits seem to be associated with individual habits or inadequate labor practices. These data can help preventing the occurrence of these lesions by implementing local health promotion policies at work. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=work-related%20accidents" title="work-related accidents">work-related accidents</a>, <a href="https://publications.waset.org/abstracts/search?q=cross-sectional%20study" title=" cross-sectional study"> cross-sectional study</a>, <a href="https://publications.waset.org/abstracts/search?q=shoulder%20lesions" title=" shoulder lesions"> shoulder lesions</a>, <a href="https://publications.waset.org/abstracts/search?q=labor%20lawsuits" title=" labor lawsuits"> labor lawsuits</a> </p> <a href="https://publications.waset.org/abstracts/105103/work-related-shoulder-lesions-and-labor-lawsuits-in-brazil-cross-sectional-study-on-worker-health-actions-developed-by-employers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/105103.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">218</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">27</span> Simultaneous Determination of Six Characterizing/Quality Parameters of Biodiesels via 1H NMR and Multivariate Calibration</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20G.%20Shimamoto">Gustavo G. Shimamoto</a>, <a href="https://publications.waset.org/abstracts/search?q=Matthieu%20Tubino"> Matthieu Tubino</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The characterization and the quality of biodiesel samples are checked by determining several parameters. Considering a large number of analysis to be performed, as well as the disadvantages of the use of toxic solvents and waste generation, multivariate calibration is suggested to reduce the number of tests. In this work, hydrogen nuclear magnetic resonance (1H NMR) spectra were used to build multivariate models, from partial least squares (PLS) regression, in order to determine simultaneously six important characterizing and/or quality parameters of biodiesels: density at 20 ºC, kinematic viscosity at 40 ºC, iodine value, acid number, oxidative stability, and water content. Biodiesels from twelve different oils sources were used in this study: babassu, brown flaxseed, canola, corn, cottonseed, macauba almond, microalgae, palm kernel, residual frying, sesame, soybean, and sunflower. 1H NMR reflects the structures of the compounds present in biodiesel samples and showed suitable correlations with the six parameters. The PLS models were constructed with latent variables between 5 and 7, the obtained values of r(cal) and r(val) were greater than 0.994 and 0.989, respectively. In addition, the models were considered suitable to predict all the six parameters for external samples, taking into account the analytical speed to perform it. Thus, the alliance between 1H NMR and PLS showed to be appropriate to characterize and evaluate the quality of biodiesels, reducing significantly analysis time, the consumption of reagents/solvents, and waste generation. Therefore, the proposed methods can be considered to adhere to the principles of green chemistry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biodiesel" title="biodiesel">biodiesel</a>, <a href="https://publications.waset.org/abstracts/search?q=multivariate%20calibration" title=" multivariate calibration"> multivariate calibration</a>, <a href="https://publications.waset.org/abstracts/search?q=nuclear%20magnetic%20resonance" title=" nuclear magnetic resonance"> nuclear magnetic resonance</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20parameters" title=" quality parameters"> quality parameters</a> </p> <a href="https://publications.waset.org/abstracts/33348/simultaneous-determination-of-six-characterizingquality-parameters-of-biodiesels-via-1h-nmr-and-multivariate-calibration" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33348.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">539</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">26</span> Investigating the Environmental Impact of Additive Manufacturing Compared to Conventional Manufacturing through Life Cycle Assessment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Menezes%20De%20Souza%20Melo">Gustavo Menezes De Souza Melo</a>, <a href="https://publications.waset.org/abstracts/search?q=Arnaud%20Heitz"> Arnaud Heitz</a>, <a href="https://publications.waset.org/abstracts/search?q=Johannes%20Henrich%20Schleifenbaum"> Johannes Henrich Schleifenbaum</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Additive manufacturing is a growing market that is taking over in many industries as it offers numerous advantages like new design possibilities, weight-saving solutions, ease of manufacture, and simplification of assemblies. These are all unquestionable technical or financial assets. As to the environmental aspect, additive manufacturing is often discussed whether it is the best solution to decarbonize our industries or if conventional manufacturing remains cleaner. This work presents a life cycle assessment (LCA) comparison based on the technological case of a motorbike swing-arm. We compare the original equipment manufacturer part made with conventional manufacturing (CM) methods to an additive manufacturing (AM) version printed using the laser powder bed fusion process. The AM version has been modified and optimized to achieve better dynamic performance without any regard to weight saving. Lightweight not being a priority in the creation of the 3D printed part brings us a unique perspective in this study. To achieve the LCA, we are using the open-source life cycle, and sustainability software OpenLCA combined with the ReCiPe 2016 at midpoint and endpoint level method. This allows the calculation and the presentation of the results through indicators such as global warming, water use, resource scarcity, etc. The results are then showing the relative impact of the AM version compared to the CM one and give us a key to understand and answer questions about the environmental sustainability of additive manufacturing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=additive%20manufacturing" title="additive manufacturing">additive manufacturing</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20impact" title=" environmental impact"> environmental impact</a>, <a href="https://publications.waset.org/abstracts/search?q=life%20cycle%20assessment" title=" life cycle assessment"> life cycle assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=laser%20powder%20bed%20fusion" title=" laser powder bed fusion"> laser powder bed fusion</a> </p> <a href="https://publications.waset.org/abstracts/139498/investigating-the-environmental-impact-of-additive-manufacturing-compared-to-conventional-manufacturing-through-life-cycle-assessment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/139498.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">263</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">25</span> Smartphone Application for Social Inclusion of Deaf Parents and Children About Sphincter Training</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J%C3%BAlia%20Alarcon%20Pinto">Júlia Alarcon Pinto</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Jo%C3%A3o%20Schaffhausser"> Carlos João Schaffhausser</a>, <a href="https://publications.waset.org/abstracts/search?q=Gustavo%20Alarcon%20Pinto"> Gustavo Alarcon Pinto</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: The deaf people in Brazil communicate through the Brazilian Sign Language (LIBRAS), which is restricted to this minority and people that received training. However, there is a lack of prepared professionals in the health system to deal with these patients. Therefore, effective communication, health education, quality of support and assistance are compromised. It is of utmost importance to develop measures that ensure the inclusion of deaf parents and children since there are frequent doubts about sphincter training and an absence of tools to promote effective communication between doctors and their patients. Objective: Use of an efficient, rapid and cheap communication method to promote social inclusion and patient education of deaf parents and children during pediatrics appointments. Results; The application demonstrates how to express phrases and symptoms within seconds and this allows patients to fully understand the information provided during the appointment and are capable to evaluate the signs of readiness, learn the correct approaches with the child, what are the adequate instruments, possible obstacles and the importance to execute medical orientations in order to achieve success in the process. Consequently, patients feel more satisfied, secured and embraced by professionals in the health system care. Conclusion: It is of utmost importance to use efficient and cheap methods that support patient care and education in order to promote health and social inclusion. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=application" title="application">application</a>, <a href="https://publications.waset.org/abstracts/search?q=deaf%20patients" title=" deaf patients"> deaf patients</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20inclusion" title=" social inclusion"> social inclusion</a>, <a href="https://publications.waset.org/abstracts/search?q=sphincter%20training" title=" sphincter training"> sphincter training</a> </p> <a href="https://publications.waset.org/abstracts/149124/smartphone-application-for-social-inclusion-of-deaf-parents-and-children-about-sphincter-training" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/149124.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">119</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Gustavo%20Reinaldo&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Gustavo%20Reinaldo&page=2" rel="next">&rsaquo;</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a 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