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Prista</title> <meta name="description" content="Search results for: Catarina Prista"> <meta name="keywords" content="Catarina Prista"> <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 navbar-toggler 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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="Catarina Prista"> <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> 37</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Catarina Prista</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37</span> Genetically Modified Fuel-Ethanol Industrial Yeast Strains as Biocontrol Agents</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Patr%C3%ADcia%20Branco">Patrícia Branco</a>, <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Prista"> Catarina Prista</a>, <a href="https://publications.waset.org/abstracts/search?q=Helena%20Albergaria"> Helena Albergaria</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Industrial fuel-ethanol fermentations are carried out under non-sterile conditions, which favors the development of microbial contaminants, leading to huge economic losses. Wild yeasts such as Brettanomyces bruxellensis and lactic acid bacteria are the main contaminants of industrial bioethanol fermentation, affecting Saccharomyces cerevisiae performance and decreasing ethanol yields and productivity. In order to control microbial contaminations, the fuel-ethanol industry uses different treatments, including acid washing and antibiotics. However, these control measures carry environmental risks such as acid toxicity and the rise of antibiotic-resistant bacteria. Therefore, it is crucial to develop and apply less toxic and more environmentally friendly biocontrol methods. In the present study, an industrial fuel-ethanol starter, S. cerevisiae Ethanol-Red, was genetically modified to over-express AMPs with activity against fuel-ethanol microbial contaminants and evaluated regarding its biocontrol effect during mixed-culture alcoholic fermentations artificially contaminated with B. bruxellensis. To achieve this goal, S. cerevisiae Ethanol-Red strain was transformed with a plasmid containing the AMPs-codifying genes, i.e., partial sequences of TDH1 (925-963 bp) and TDH2/3 (925-963 bp) and a geneticin resistance marker. The biocontrol effect of those genetically modified strains was evaluated against B. bruxellensis and compared with the antagonistic effect exerted by the modified strain with an empty plasmid (without the AMPs-codifying genes) and the non-modified strain S. cerevisiae Ethanol-Red. For that purpose, mixed-culture alcoholic fermentations were performed in a synthetic must use the modified S. cerevisiae Ethanol-Red strains together with B. bruxellensis. Single-culture fermentations of B. bruxellensis strains were also performed as a negative control of the antagonistic effect exerted by S. cerevisiae strains. Results clearly showed an improved biocontrol effect of the genetically-modified strains against B. bruxellensis when compared with the modified Ethanol-Red strain with the empty plasmid (without the AMPs-codifying genes) and with the non-modified Ethanol-Red strain. In mixed-culture fermentation with the modified S. cerevisiae strain, B. bruxellensis culturability decreased from 5×104 CFU/mL on day-0 to less than 1 CFU/mL on day-10, while in single-culture B. bruxellensis increased its culturability from 6×104 to 1×106 CFU/mL in the first 6 days and kept this value until day-10. Besides, the modified Ethanol-Red strain exhibited an enhanced antagonistic effect against B. bruxellensis when compared with that induced by the non-modified Ethanol-Red strain. Indeed, culturability loss of B. bruxellensis after 10 days of fermentation with the modified Ethanol-Red strain was 98.7 and 100% higher than that occurred in fermentations performed with the non-modified Ethanol-Red and the empty-plasmid modified strain, respectively. Therefore, one can conclude that the S. cerevisiae genetically modified strain obtained in the present work may be a valuable solution for the mitigation of microbial contamination in fuel-ethanol fermentations, representing a much safer and environmentally friendly preservation strategy than the antimicrobial treatments (acid washing and antibiotics) currently applied in fuel-ethanol industry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20peptides" title="antimicrobial peptides">antimicrobial peptides</a>, <a href="https://publications.waset.org/abstracts/search?q=fuel-ethanol%20microbial%20contaminations" title=" fuel-ethanol microbial contaminations"> fuel-ethanol microbial contaminations</a>, <a href="https://publications.waset.org/abstracts/search?q=fuel-ethanol%20fermentation" title=" fuel-ethanol fermentation"> fuel-ethanol fermentation</a>, <a href="https://publications.waset.org/abstracts/search?q=biocontrol%20agents" title=" biocontrol agents"> biocontrol agents</a>, <a href="https://publications.waset.org/abstracts/search?q=genetically-modified%20yeasts" title=" genetically-modified yeasts"> genetically-modified yeasts</a> </p> <a href="https://publications.waset.org/abstracts/149056/genetically-modified-fuel-ethanol-industrial-yeast-strains-as-biocontrol-agents" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/149056.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">99</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> Hydrochemical Contamination Profiling and Spatial-Temporal Mapping with the Support of Multivariate and Cluster Statistical Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sofia%20Barbosa">Sofia Barbosa</a>, <a href="https://publications.waset.org/abstracts/search?q=Mariana%20Pinto"> Mariana Pinto</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20Ant%C3%B3nio%20Almeida"> José António Almeida</a>, <a href="https://publications.waset.org/abstracts/search?q=Edgar%20Carvalho"> Edgar Carvalho</a>, <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Diamantino"> Catarina Diamantino</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this work was to test a methodology able to generate spatial-temporal maps that can synthesize simultaneously the trends of distinct hydrochemical indicators in an old radium-uranium tailings dam deposit. Multidimensionality reduction derived from principal component analysis and subsequent data aggregation derived from clustering analysis allow to identify distinct hydrochemical behavioural profiles and to generate synthetic evolutionary hydrochemical maps. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Contamination%20plume%20migration" title="Contamination plume migration">Contamination plume migration</a>, <a href="https://publications.waset.org/abstracts/search?q=K-means%20of%20PCA%20scores" title=" K-means of PCA scores"> K-means of PCA scores</a>, <a href="https://publications.waset.org/abstracts/search?q=groundwater%20and%20mine%20water%20monitoring" title=" groundwater and mine water monitoring"> groundwater and mine water monitoring</a>, <a href="https://publications.waset.org/abstracts/search?q=spatial-temporal%20hydrochemical%20trends" title=" spatial-temporal hydrochemical trends"> spatial-temporal hydrochemical trends</a> </p> <a href="https://publications.waset.org/abstracts/139590/hydrochemical-contamination-profiling-and-spatial-temporal-mapping-with-the-support-of-multivariate-and-cluster-statistical-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/139590.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">234</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> Cross Cultural Adaptation and Content Validation of the Assessment Instrument Preschooler Awareness of Stuttering Survey</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Belchior">Catarina Belchior</a>, <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Martins"> Catarina Martins</a>, <a href="https://publications.waset.org/abstracts/search?q=Sara%20Mendes"> Sara Mendes</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Rita%20S.%20Valente"> Ana Rita S. Valente</a>, <a href="https://publications.waset.org/abstracts/search?q=Elsa%20Marta%20Soares"> Elsa Marta Soares</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: The negative feelings and attitudes that a person who stutters can develop are extremely relevant when considering assessment and intervention in Speech and Language Therapy. This relates to the fact that the person who stutters can experience feelings such as shame, fear and negative beliefs when communicating. Considering the complexity and importance of integrating diverse aspects in stuttering intervention, it is central to identify those emotions as early as possible. Therefore, this research aimed to achieve the translation, adaptation to European Portuguese and to analyze the content validation of the Preschooler Awareness Stuttering Survey (Abbiati, Guitar & Hutchins, 2015), an instrument that allows the assessment of the impact of stuttering on preschool children who stutter considering feelings and attitudes. Methodology: Cross-sectional descriptive qualitative research. The following methodological procedures were followed: translation, back-translation, panel of experts and pilot study. This abstract describes the results of the first three phases of this process. The translation was accomplished by two Speech Language Therapists (SLT). Both professionals have more than five years of experience and are users of English language. One of them has a broad experience in the field of stuttering. Back-translation was conducted by two bilingual individuals without experience in health or any knowledge about the instrument. The panel of experts was composed by 3 different SLT, experts in the field of stuttering. Results and Discussion: In the translation and back-translation process it was possible to verify differences in semantic and idiomatic equivalences of several concepts and expressions, as well as the need to include new information to enhance the understanding of the application of the instrument. The meeting between the two translators and the researchers allowed the achievement of a consensus version that was used in back-translation. Considering adaptation and content validation, the main change made by the experts was the conceptual equivalence of the questions and answers of the instrument's sheets. Considering that in the translated consensus version the questions began with various nouns such as 'is' or 'the cow' and that the answers did not contain the adverb 'much' as in the original instrument, the panel agreed that it would be more appropriate if the questions all started with 'how' and that all the answers should present the adverb 'much'. This decision was made to ensure that the translate instrument would be similar to the original and so that the results obtained could be comparable between the original and the translated instrument. There was also elaborated one semantic equivalence between concepts. The panel of experts found that all other items and specificities of the instrument were adequate, concluding the adequacy of the instrument considering its objectives and its intended target population. Conclusion: This research aspires to diversify the existing validated resources in this scope, adding a new instrument that allows the assessment of preschool children who stutter. Consequently, it is hoped that this instrument will provide a real and reliable assessment that can lead to an appropriate therapeutic intervention according to the characteristics and needs of each child. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=stuttering" title="stuttering">stuttering</a>, <a href="https://publications.waset.org/abstracts/search?q=assessment" title=" assessment"> assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=feelings%20and%20attitudes" title=" feelings and attitudes"> feelings and attitudes</a>, <a href="https://publications.waset.org/abstracts/search?q=speech%20language%20therapy" title=" speech language therapy"> speech language therapy</a> </p> <a href="https://publications.waset.org/abstracts/107708/cross-cultural-adaptation-and-content-validation-of-the-assessment-instrument-preschooler-awareness-of-stuttering-survey" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/107708.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">149</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> Positive Parenting and Subjective Well-Being: Proposed Program for Parents of Gifted Children </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Suzy%20Pereira">Suzy Pereira</a>, <a href="https://publications.waset.org/abstracts/search?q=Alberto%20Rocha"> Alberto Rocha</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Almeida"> Ana Almeida</a>, <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Figueiredo"> Catarina Figueiredo</a>, <a href="https://publications.waset.org/abstracts/search?q=Helena%20Fonseca"> Helena Fonseca</a>, <a href="https://publications.waset.org/abstracts/search?q=Leonor%20Moreira"> Leonor Moreira</a>, <a href="https://publications.waset.org/abstracts/search?q=Carla%20Blum%20Vestena"> Carla Blum Vestena</a>, <a href="https://publications.waset.org/abstracts/search?q=Cristina%20Costa-Lobo"> Cristina Costa-Lobo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The socio-educational support to parents, through parental education intervention programs, is part of European social policies, aiming to respond to the needs of education, promotion of well-being and development of children and young people. The purpose of this research is to evaluate the impact of the Positive Parenting Program on the subjective well-being of the parents of gifted children. The Positive Parenting Program is authored and is conducted by the National Association of Study and Intervention in Giftedness, Portuguese Association. The central question to be explored in this research is: Does the promotion of positive parenting in parents of gifted children have a positive impact on the subjective well-being? The sample consisted of 30 parents, non-probabilistic sampling of convenience, of which 15 parents belong to the intervention group and the rest to the control group. One dimension will be evaluated - subjective well-being, through the PANAS questionnaire - before and after the sessions of this program. The aim is to contribute to the understanding of the process and results of the positive parenting program in parents of gifted children. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=positive%20parenting" title="positive parenting">positive parenting</a>, <a href="https://publications.waset.org/abstracts/search?q=subjective%20well-being" title=" subjective well-being"> subjective well-being</a>, <a href="https://publications.waset.org/abstracts/search?q=giftedness" title=" giftedness"> giftedness</a>, <a href="https://publications.waset.org/abstracts/search?q=parental%20education%20intervention%20programs" title=" parental education intervention programs"> parental education intervention programs</a> </p> <a href="https://publications.waset.org/abstracts/67429/positive-parenting-and-subjective-well-being-proposed-program-for-parents-of-gifted-children" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67429.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">320</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> The Conception of the Students about the Presence of Mental Illness at School</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aline%20Giardin">Aline Giardin</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Rosa%20Chitolina"> Maria Rosa Chitolina</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Catarina%20Zanini"> Maria Catarina Zanini</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we analyze the conceptions of high school students about mental health issues, and discuss the creation of mental basic health programs in schools. We base our findings in a quantitative survey carried out by us with 156 high school students of CTISM (Colégio Técnico Industrial de Santa Maria) school, located in Santa Maria city, Brazil. We have found that: (a) 28 students relate the subject ‘mental health’ with psychiatric hospitals and lunatic asylums; (b) 28 students have relatives affected by mental diseases; (c) 76 students believe that mental patients, if treated, can live a healthy life; (d) depression, schizophrenia and bipolar disorder are the most cited diseases; (e) 84 students have contact with mental patients, but know nothing about the disease; (f) 123 students have never been instructed about mental diseases while in the school; and (g) 135 students think that a mental health program would be important in the school. We argue that these numbers reflect a vision of mental health that can be related to the reductionist education still present in schools and to the lack of integration between health professionals, sciences teachers, and students. Furthermore, this vision can also be related to a stigmatization process, which interferes with the interactions and with the representations regarding mental disorders and mental patients in society. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mental%20health" title="mental health">mental health</a>, <a href="https://publications.waset.org/abstracts/search?q=schools" title=" schools"> schools</a>, <a href="https://publications.waset.org/abstracts/search?q=mental%20illness" title=" mental illness"> mental illness</a>, <a href="https://publications.waset.org/abstracts/search?q=conception" title=" conception"> conception</a> </p> <a href="https://publications.waset.org/abstracts/60013/the-conception-of-the-students-about-the-presence-of-mental-illness-at-school" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60013.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">469</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> Mitigating Supply Chain Risk for Sustainability Using Big Data Knowledge: Evidence from the Manufacturing Supply Chain</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mani%20Venkatesh">Mani Venkatesh</a>, <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Delgado"> Catarina Delgado</a>, <a href="https://publications.waset.org/abstracts/search?q=Purvishkumar%20Patel"> Purvishkumar Patel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The sustainable supply chain is gaining popularity among practitioners because of increased environmental degradation and stakeholder awareness. On the other hand supply chain, risk management is very crucial for the practitioners as it potentially disrupts supply chain operations. Prediction and addressing the risk caused by social issues in the supply chain is paramount importance to the sustainable enterprise. More recently, the usage of Big data analytics for forecasting business trends has been gaining momentum among professionals. The aim of the research is to explore the application of big data, predictive analytics in successfully mitigating supply chain social risk and demonstrate how such mitigation can help in achieving sustainability (environmental, economic & social). The method involves the identification and validation of social issues in the supply chain by an expert panel and survey. Later, we used a case study to illustrate the application of big data in the successful identification and mitigation of social issues in the supply chain. Our result shows that the company can predict various social issues through big data, predictive analytics and mitigate the social risk. We also discuss the implication of this research to the body of knowledge and practice. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=big%20data" title="big data">big data</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainability" title=" sustainability"> sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=supply%20chain%20social%20sustainability" title=" supply chain social sustainability"> supply chain social sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20risk" title=" social risk"> social risk</a>, <a href="https://publications.waset.org/abstracts/search?q=case%20study" title=" case study "> case study </a> </p> <a href="https://publications.waset.org/abstracts/62709/mitigating-supply-chain-risk-for-sustainability-using-big-data-knowledge-evidence-from-the-manufacturing-supply-chain" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62709.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">408</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> The Impact of Childhood Cancer on the Quality of Life of Survivor: A Qualitative Analysis of Functionality and Participation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Grande">Catarina Grande</a>, <a href="https://publications.waset.org/abstracts/search?q=Barbara%20Mota"> Barbara Mota</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main goal of the present study was to understand the impact of childhood cancer on the quality of life of survivors and the extent to which oncologic disease affects the functionality and participation of survivors at the present time, compared to the time of diagnosis. Six survivors of pediatric cancer participated in the study. Participants were interviewed using a semi-structured interview, adapted from two instruments present in the literature - QALY and QLACS - and piloted through a previous study. This study is based on a qualitative approach using content analysis, allowing the identification of categories and subcategories. Subsequently, the correspondence between the units of meaning and the codes in the International Classification of Functioning, Disability, and Health for Children and Young, which contributed to a more detailed analysis of the impact on the quality of life of survivors in relation to the domains under study. The results showed significant changes between the moment of diagnosis and the present moment, concretely at the microsystem of the survivor. Regarding functionality and participation, the results show that the functions of the body are the most affected domain, emphasizing the emotional component that currently has a greater impact on the quality of life of survivors. The present study allowed identifying a set of codes for the development of a CIF-CJ core set for pediatric cancer survivors. He also indicated the need for future studies to validate and deepen these issues. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cancer" title="cancer">cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=participation" title=" participation"> participation</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20of%20life" title=" quality of life"> quality of life</a>, <a href="https://publications.waset.org/abstracts/search?q=survivor" title=" survivor"> survivor</a> </p> <a href="https://publications.waset.org/abstracts/88752/the-impact-of-childhood-cancer-on-the-quality-of-life-of-survivor-a-qualitative-analysis-of-functionality-and-participation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88752.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">237</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> COVID-19 Pandemic Influence on Toddlers and Preschoolers’ Screen Time</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Juliana%20da%20Silva%20Cardoso">Juliana da Silva Cardoso</a>, <a href="https://publications.waset.org/abstracts/search?q=Cl%C3%A1udia%20Correia"> Cláudia Correia</a>, <a href="https://publications.waset.org/abstracts/search?q=Rita%20Gomes"> Rita Gomes</a>, <a href="https://publications.waset.org/abstracts/search?q=Carolina%20Fraga"> Carolina Fraga</a>, <a href="https://publications.waset.org/abstracts/search?q=In%C3%AAs%20Cascais"> Inês Cascais</a>, <a href="https://publications.waset.org/abstracts/search?q=Sara%20Monteiro"> Sara Monteiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Beatriz%20Teixeira"> Beatriz Teixeira</a>, <a href="https://publications.waset.org/abstracts/search?q=Sandra%20Ribeiro"> Sandra Ribeiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Carolina%20Andrade"> Carolina Andrade</a>, <a href="https://publications.waset.org/abstracts/search?q=Cl%C3%A1udia%20Oliveira"> Cláudia Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Diana%20Gonzaga"> Diana Gonzaga</a>, <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Prior"> Catarina Prior</a>, <a href="https://publications.waset.org/abstracts/search?q=In%C3%AAs%20Vaz%20Matos"> Inês Vaz Matos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The average daily screen time (ST) has been increasing in children, even at young ages. This seems to be associated with a higher incidence of neurodevelopmental disorders, and as the time of exposure increases, the greater is the functional impact. This study aims to compare the daily ST of toddlers and preschoolers previously and during the COVID-19 pandemic. A questionnaire was applied by telephone to parents/caregivers of children between 1 and 5 years old, followed up at 4 primary care units belonging to the Group of Primary Health Care Centers of Western Porto, Portugal. 520 children were included: 52.9% male, mean age 39.4 ± 13.9 months. The mean age of first exposure to screens was 13.9 ± 8.0 months, and most of the children were exposed to more than one screen daily. Considering the WHO recommendations, before the COVID-19 pandemic, 385 (74.0%) and 408 (78.5%) children had excessive ST during the week and the weekend, respectively; during the lockdown, these values increased to 495 (95.2%) and 482 (92.7%). Maternal education and both the child's median age and the median age of first exposure to screens had a statistically significant association with excessive ST, with OR 0.2 (p = 0.03, CI 95% 0.07-0.86), OR 1.1 (p = 0.01, 95% CI 1.05-1.14) and OR 0.9 (p = 0.05, 95% CI 0. 87-0.98), respectively. Most children in this sample had a higher than recommended ST, which increased with the onset of the COVID-19 pandemic. These results are worrisome and point to the need for urgent intervention. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=COVID-19%20pandemic" title="COVID-19 pandemic">COVID-19 pandemic</a>, <a href="https://publications.waset.org/abstracts/search?q=preschoolers" title=" preschoolers"> preschoolers</a>, <a href="https://publications.waset.org/abstracts/search?q=screen%20time" title=" screen time"> screen time</a>, <a href="https://publications.waset.org/abstracts/search?q=toddlers" title=" toddlers"> toddlers</a> </p> <a href="https://publications.waset.org/abstracts/144290/covid-19-pandemic-influence-on-toddlers-and-preschoolers-screen-time" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144290.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">216</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> Pilot Program for the Promotion of Normal Childbirth in the North, Northeast and Midwest of Brazil</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nat%C3%A1lia%20Bruno%20Chaves">Natália Bruno Chaves</a>, <a href="https://publications.waset.org/abstracts/search?q=Richardes%20Ca%C3%BAla"> Richardes Caúla</a>, <a href="https://publications.waset.org/abstracts/search?q=Roosevelt%20do%20Vale"> Roosevelt do Vale</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniela%20Toneti"> Daniela Toneti</a>, <a href="https://publications.waset.org/abstracts/search?q=Rafaela%20Carvalho"> Rafaela Carvalho</a>, <a href="https://publications.waset.org/abstracts/search?q=Renata%20Silva%20Lopes"> Renata Silva Lopes</a>, <a href="https://publications.waset.org/abstracts/search?q=Ant%C3%B4nio%20Carlos%20J%C3%BAnior"> Antônio Carlos Júnior</a>, <a href="https://publications.waset.org/abstracts/search?q=Adner%20Nobre"> Adner Nobre</a>, <a href="https://publications.waset.org/abstracts/search?q=Viviane%20Santiago"> Viviane Santiago</a>, <a href="https://publications.waset.org/abstracts/search?q=Yara%20Alana%20Caldato"> Yara Alana Caldato</a>, <a href="https://publications.waset.org/abstracts/search?q=Estefania%20Rodriguez%20Urrego"> Estefania Rodriguez Urrego</a>, <a href="https://publications.waset.org/abstracts/search?q=Andr%C3%A9%20Buarque%20Lemos"> André Buarque Lemos</a>, <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Nucci%20Stetner"> Catarina Nucci Stetner</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcos%20Mauro%20Barreto"> Marcos Mauro Barreto</a>, <a href="https://publications.waset.org/abstracts/search?q=Stefany%20Moreira%20Lima"> Stefany Moreira Lima</a>, <a href="https://publications.waset.org/abstracts/search?q=Mara%20Cavalcante"> Mara Cavalcante</a>, <a href="https://publications.waset.org/abstracts/search?q=Ticiane%20Ribeiro"> Ticiane Ribeiro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Well Born (Nascer Bem – in Portuguese) Program was created in the Hapvida health network with the aim of improving access to safe and quality prenatal care for users. In addition to offering a line of prenatal care, the inclusion of obstetric nursing and the decentralization of childbirth, bring security that professionals did not indicate the route of delivery for professional convenience. The introduction of the nursing consultation came to reinforce the care to our users, strengthening their bond and reception. In 2021, the program maintained an average of 40% of normal births in the north, northeast and central-west regions of Brazil, an average above that observed in the rest of the country's private health systems, around 20%. In addition, the neonatal hospitalization rate of this population remained around 5.1%, a figure below the national average. With these data, the “Nascer Bem” program is affirmed as a safe and effective strategy for the promotion of safe normal birth. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=quality" title="quality">quality</a>, <a href="https://publications.waset.org/abstracts/search?q=safe" title=" safe"> safe</a>, <a href="https://publications.waset.org/abstracts/search?q=prenatal" title=" prenatal"> prenatal</a>, <a href="https://publications.waset.org/abstracts/search?q=obstetric%20nursing" title=" obstetric nursing"> obstetric nursing</a> </p> <a href="https://publications.waset.org/abstracts/153230/pilot-program-for-the-promotion-of-normal-childbirth-in-the-north-northeast-and-midwest-of-brazil" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/153230.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">119</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">28</span> Anti-Angiogenic Effects of the Macrovipera lebetina obtusa Snake Crude Venom and Obtustatin</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Narine%20Ghazaryan">Narine Ghazaryan</a>, <a href="https://publications.waset.org/abstracts/search?q=Joana%20Catarina%20Macedo"> Joana Catarina Macedo</a>, <a href="https://publications.waset.org/abstracts/search?q=Sara%20Vaz"> Sara Vaz</a>, <a href="https://publications.waset.org/abstracts/search?q=Naira%20Ayvazyan"> Naira Ayvazyan</a>, <a href="https://publications.waset.org/abstracts/search?q=Elsa%20Logarinho"> Elsa Logarinho</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Macrovipera lebetina obtusa (MLO) is a poisonous snake in Armenia. Obtustatin represents the shortest known monomeric disintegrin, isolated from the snake venom of MLO, and is known to specifically inhibit α1β1 integrin. Its oncostatic effect is due to the inhibition of angiogenesis, which likely arises from α1β1 integrin inhibition in the endothelial cells. To explore the therapeutic potential of the MLO snake venom and obtustatin, we studied activity of obtustatin and MLO venom in vitro, by testing their efficacy in human dermal microvascular endothelial cells (HMVEC-D) and in vivo, using chick embryo chorioallantoic membrane assay (CAM assay). Our in vitro results showed that obtustatin in comparison with MLO venom did not exhibit cytotoxic activity in HMVEC-D cells in comparison to MLO venom. But in vivo results have shown that 4µg /embryo (90 µM) of obtustatin inhibited angiogenesis induced by FGF2 by 17% while MLO snake venom induced 22% reduction of the angiogenic index. The concentration of obtustatin in the crude MLO venom was 0.3 nM, which is 300.000 times less than the concentration of the obtustatin itself. Given this enormous difference in concentration, it is likely that some components of the crude venom contribute to the observed anti-angiogenic effect. Hypotheses will be ascertained to justify this action: components in the MLO venom may increase obtustatin efficacy or have independent but synergic anti-angiogenic activities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=angiogenesis" title="angiogenesis">angiogenesis</a>, <a href="https://publications.waset.org/abstracts/search?q=alpa1%20beta%201%20integrin" title=" alpa1 beta 1 integrin"> alpa1 beta 1 integrin</a>, <a href="https://publications.waset.org/abstracts/search?q=Macrovipera%20lebetina%20obtusa" title=" Macrovipera lebetina obtusa"> Macrovipera lebetina obtusa</a>, <a href="https://publications.waset.org/abstracts/search?q=obtustatin" title=" obtustatin"> obtustatin</a> </p> <a href="https://publications.waset.org/abstracts/85110/anti-angiogenic-effects-of-the-macrovipera-lebetina-obtusa-snake-crude-venom-and-obtustatin" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85110.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">196</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> Believing in a Just-World: The Neoliberal Rationality and the Everyday Legitimation of Social Inequality</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M%C3%B3nica%20Catarina%20Soares">Mónica Catarina Soares</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Neoliberal rationality is currently changing the ways concepts like freedom or equality are framed. As an omnipresent and context-sensitive paradigm, homo oeconomicus is continuously taking place in realms of life previously insulated from economic and market-driven principles. This presentation is based on the argument that, more than ever, this paradigm is nowadays framing institutional and everyday discourses in regard to social problems. Although neoliberal rationality is based on the putative ideological basis that everyone is equal, equality seems to be reshaped by specific meanings apprehended by this rationality. In this sense, an illusion of equality seems to be relevant to legitimize different social inequalities (e.g., access to health care or to habitation). Political psychology has studied how ideology is relevant to legitimize market and unequal systems, but still the specific relation between markets, (in)equality and neoliberal languages is not widely addressed. The goal is to discuss the smithereens of the neoliberal rationality when it comes to legitimizing social inequalities by contesting the arguments of meritocracy, progressive freedom and minimal guarantees obeying to market-rules and principles. This analysis can be helpful to grasp for instance the continuously dismantlement of the welfare-state in different countries of the global north and how it is turning the regulation/emancipation tension inside out. The ultimate goal is to contribute to the breaking up of a paradigm that is still too big to capture, too depoliticized and chameleonic to fully acknowledge the biopolitics of power that is helping to create it. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=discourses" title="discourses">discourses</a>, <a href="https://publications.waset.org/abstracts/search?q=legitimacy" title=" legitimacy"> legitimacy</a>, <a href="https://publications.waset.org/abstracts/search?q=neoliberal%20rationality" title=" neoliberal rationality"> neoliberal rationality</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20inequality" title=" social inequality"> social inequality</a> </p> <a href="https://publications.waset.org/abstracts/47564/believing-in-a-just-world-the-neoliberal-rationality-and-the-everyday-legitimation-of-social-inequality" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47564.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">220</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> Interdisciplinarity as a Regular Pedagogical Practice in the Classrooms</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Maria%20Neto%20Da%20Cruz">Catarina Maria Neto Da Cruz</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Maria%20Reis%20D%E2%80%99Azevedo%20Breda"> Ana Maria Reis D’Azevedo Breda</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The world is changing and, consequently, the young people need more sophisticated tools and skills to lead with the world’s complexity. The Organisation for Economic Co-operation and Development Learning Framework 2030 suggests an interdisciplinary knowledge as a principle for the future of education systems. In the curricular document Portuguese about the profile of students leaving compulsory education, the critical thinking and creative thinking are pointed out as skills to be developed, which imply the interconnection of different knowledge, applying it in different contexts and learning areas. Unlike primary school teachers, teachers specialized in a specific area lead to more difficulties in the implementation of interdisciplinary approaches in the classrooms and, despite the effort, the interdisciplinarity is not a common practice in schools. Statement like "Mathematics is everywhere" is unquestionable, however, many math teachers show difficulties in presenting such evidence in their classes. Mathematical modelling and problems in real contexts are promising in the development of interdisciplinary pedagogical practices and in Portugal there is a continuous training offer to contribute to the development of teachers in terms of their pedagogical approaches. But when teachers find themselves in the classroom, without a support, do they feel able to implement interdisciplinary practices? In this communication we will try to approach this issue through a case study involving a group of Mathematics teachers, who attended a training aimed at stimulating interdisciplinary practices in real contexts, namely related to the COVID-19 pandemic. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=education" title="education">education</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematics" title=" mathematics"> mathematics</a>, <a href="https://publications.waset.org/abstracts/search?q=teacher%20training" title=" teacher training"> teacher training</a>, <a href="https://publications.waset.org/abstracts/search?q=interdisciplinarity" title=" interdisciplinarity"> interdisciplinarity</a> </p> <a href="https://publications.waset.org/abstracts/172298/interdisciplinarity-as-a-regular-pedagogical-practice-in-the-classrooms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172298.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">92</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> Endoscopic Ultrasound-Guided Choledochoduodenostomy in an Advanced Extrahepatic Cholangiocarcinoma</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Diego%20Carrasco">Diego Carrasco</a>, <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Freitas"> Catarina Freitas</a>, <a href="https://publications.waset.org/abstracts/search?q=Hugo%20Rio%20Tinto"> Hugo Rio Tinto</a>, <a href="https://publications.waset.org/abstracts/search?q=Ricardo%20Rio%20Tinto"> Ricardo Rio Tinto</a>, <a href="https://publications.waset.org/abstracts/search?q=Nuno%20Couto"> Nuno Couto</a>, <a href="https://publications.waset.org/abstracts/search?q=Joaquim%20Gago"> Joaquim Gago</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Carvalho"> Carlos Carvalho</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Endoscopic ultrasound-guided choledochoduodenostomy (EUS-CD) to drain the gallbladder can be a palliative care procedure for non-surgical oncologic patients with cholelithiasis and cholangitis process. Case description: A 59-years old Caucasian male diagnosed with extrahepatic cholangiocarcinoma with multiple liver, lung and peritoneum metastasis, unresponsive to treatment with gemcitabine/cisplatin, presented in the institution with fever, hypotension, and severe upper right abdominal pain secondary to cholelithiasis and cholangitis process. The patient was admitted and started on large spectrum antibiotics plus fluid-challenge. Afterward, a percutaneous transhepatic biliary drainage (PTBD) was performed to drain the gallbladder. This procedure temporarily stabilized the patient. However, the definitive solution required gallbladder removal. Since the patient exhibited an advanced oncologic disease and poor response to the chemotherapy, he was not a candidate for surgical intervention. Diagnostic Pathways: A self-expanding metal stent was placed from the duodenum into the bile duct by endoscopic ultrasound-guided. The stent allowed efficient drainage of the contrast from the gallbladder at the end of the endoscopic procedure. Conclusion and Discussion: The stent allowed efficient drainage of the contrast from the gallbladder at the end of the endoscopic procedure and successfully reversed the cholangitis process. EUS-CD is an effective and safe technique and can be used as a palliative care procedure for non-surgical oncologic patients. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=palliative%20care" title="palliative care">palliative care</a>, <a href="https://publications.waset.org/abstracts/search?q=cholangiocarcinoma" title=" cholangiocarcinoma"> cholangiocarcinoma</a>, <a href="https://publications.waset.org/abstracts/search?q=choledochoduodenostomy" title=" choledochoduodenostomy"> choledochoduodenostomy</a>, <a href="https://publications.waset.org/abstracts/search?q=endoscopic%20ultrasound-guided" title=" endoscopic ultrasound-guided"> endoscopic ultrasound-guided</a> </p> <a href="https://publications.waset.org/abstracts/140682/endoscopic-ultrasound-guided-choledochoduodenostomy-in-an-advanced-extrahepatic-cholangiocarcinoma" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/140682.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">185</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">24</span> Systematic Review of the Efficacy of Traditional Chinese Medicine in Parkinson Disease</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Ramos%20Pereira">Catarina Ramos Pereira</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Rodrigues"> Jorge Rodrigues</a>, <a href="https://publications.waset.org/abstracts/search?q=Nat%C3%A1lia%20Oliveira"> Natália Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Machado"> Jorge Machado</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Bego%C3%B1a%20Criado"> Maria Begoña Criado</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Machado"> Jorge Machado</a>, <a href="https://publications.waset.org/abstracts/search?q=Henri%20J.%20Greten"> Henri J. Greten</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Parkinson's disease is a multi-system neurodegenerative disorder characterized by motor and non-motor symptoms. To slow disorder progression, different treatment options are now available, but in most cases, these therapeutic strategies also involve the presence of important side effects. This has led many patients to pursue complementary therapies, such as acupuncture, to alleviate PD symptoms. Therefore, an update on the efficacy of this treatment for patients of PD is of great value. This work presents a systematic review of the efficacy of acupuncture treatments in relieving PD symptoms. Methods: EMBASE, Medline, Pubmed, Science Direct, The Cochrane Library, Cochrane Central Register of Controlled Trials (Central), and Scielo databases were systematically searched from January 2011 through July 2021. Randomized controlled trials (RCTs) published in English with all types of acupuncture treatment were included. The selection and analysis of the articles were conducted by two blinding authors through the Rayyan application. Results: 720 potentially relevant articles were identified; 52 RCTs met our inclusion criteria. After the exclusion of 35, we found 17 eligible. The included RCTs reported positive effects for acupuncture plus conventional treatment compared with conventional treatment alone in the UPDRS score. Conclusions: Additional evidence should be supported by rigorous methodological strategies. Although firm conclusions cannot be drawn, acupuncture treatment, in the framework of an interdisciplinary care team, appears to have positive effects on PD symptoms. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=systematic%20review" title="systematic review">systematic review</a>, <a href="https://publications.waset.org/abstracts/search?q=Parkinson%20disease" title=" Parkinson disease"> Parkinson disease</a>, <a href="https://publications.waset.org/abstracts/search?q=acupuncture" title=" acupuncture"> acupuncture</a>, <a href="https://publications.waset.org/abstracts/search?q=traditional%20Chinese%20medicine" title=" traditional Chinese medicine"> traditional Chinese medicine</a> </p> <a href="https://publications.waset.org/abstracts/158514/systematic-review-of-the-efficacy-of-traditional-chinese-medicine-in-parkinson-disease" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/158514.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">143</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">23</span> The Non-Existence of Perfect 2-Error Correcting Lee Codes of Word Length 7 over Z</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Cruz">Catarina Cruz</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Breda"> Ana Breda</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tiling problems have been capturing the attention of many mathematicians due to their real-life applications. In this study, we deal with tilings of Zⁿ by Lee spheres, where n is a positive integer number, being these tilings related with error correcting codes on the transmission of information over a noisy channel. We focus our attention on the question ‘for what values of n and r does the n-dimensional Lee sphere of radius r tile Zⁿ?’. It seems that the n-dimensional Lee sphere of radius r does not tile Zⁿ for n ≥ 3 and r ≥ 2. Here, we prove that is not possible to tile Z⁷ with Lee spheres of radius 2 presenting a proof based on a combinatorial method and faithful to the geometric idea of the problem. The non-existence of such tilings has been studied by several authors being considered the most difficult cases those in which the radius of the Lee spheres is equal to 2. The relation between these tilings and error correcting codes is established considering the center of a Lee sphere as a codeword and the other elements of the sphere as words which are decoded by the central codeword. When the Lee spheres of radius r centered at elements of a set M ⊂ Zⁿ tile Zⁿ, M is a perfect r-error correcting Lee code of word length n over Z, denoted by PL(n, r). Our strategy to prove the non-existence of PL(7, 2) codes are based on the assumption of the existence of such code M. Without loss of generality, we suppose that O ∈ M, where O = (0, ..., 0). In this sense and taking into account that we are dealing with Lee spheres of radius 2, O covers all words which are distant two or fewer units from it. By the definition of PL(7, 2) code, each word which is distant three units from O must be covered by a unique codeword of M. These words have to be covered by codewords which dist five units from O. We prove the non-existence of PL(7, 2) codes showing that it is not possible to cover all the referred words without superposition of Lee spheres whose centers are distant five units from O, contradicting the definition of PL(7, 2) code. We achieve this contradiction by combining the cardinality of particular subsets of codewords which are distant five units from O. There exists an extensive literature on codes in the Lee metric. Here, we present a new approach to prove the non-existence of PL(7, 2) codes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Golomb-Welch%20conjecture" title="Golomb-Welch conjecture">Golomb-Welch conjecture</a>, <a href="https://publications.waset.org/abstracts/search?q=Lee%20metric" title=" Lee metric"> Lee metric</a>, <a href="https://publications.waset.org/abstracts/search?q=perfect%20Lee%20codes" title=" perfect Lee codes"> perfect Lee codes</a>, <a href="https://publications.waset.org/abstracts/search?q=tilings" title=" tilings"> tilings</a> </p> <a href="https://publications.waset.org/abstracts/95455/the-non-existence-of-perfect-2-error-correcting-lee-codes-of-word-length-7-over-z" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/95455.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">160</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">22</span> Erectile Function and Heart Rate Variability in Men under 40 Years Old</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rui%20Miguel%20Costa">Rui Miguel Costa</a>, <a href="https://publications.waset.org/abstracts/search?q=Jose%20Pestana"> Jose Pestana</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20Costa"> David Costa</a>, <a href="https://publications.waset.org/abstracts/search?q=Paula%20Mangia"> Paula Mangia</a>, <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Correia"> Catarina Correia</a>, <a href="https://publications.waset.org/abstracts/search?q=Mafalda%20Pinto%20Coelho"> Mafalda Pinto Coelho</a> </p> <p class="card-text"><strong>Abstract:</strong></p> There is lack of studies examining the relation of different heart rate variability (HRV) parameters with the risk of erectile dysfunction (ED) in younger men. Thus, the present study aimed at examining, in a nonclinical sample of men aged 19-39 years old (mean age = 23.98 years, SD = 4.90), the relations of risk of ED with the standard deviation of the heart rate (SD of HR), high and low frequency power of HRV, and low-to-high frequency HRV ratio. Eighty-three heterosexual Portuguese men completed the 5-item version of the International Index of Erectile Function (IIEF-5) and HRV parameters were calculated from a 5-minute resting period. Risk of ED was determined by IIEF-5 scores of 21 or less. Fifteen men (18.1%) reported symptoms of ED (14 with mild and one with mild to moderate symptoms). Univariate analyses of variance revealed that risk of ED was related to lesser SD of HR and lesser low-frequency power, the two HRV parameters that express a coupling of higher vagal and sympathetic tone. Risk of ED was unrelated to high-frequency power and low-to-high frequency HRV ratio. Further, in a logistic regression, the risk of ED was independently predicted by older age and lower SD of HR, but not by low-frequency power, having a regular sexual partner, and cohabiting. The results provide preliminary evidence that, in younger men, a coupling of higher vagal and sympathetic tone, as indexed by the SD of HR, is important for erections. Greater resting SD of HR might reflect better vascular and interpersonal function via vagal tone coupled with greater motor mobilization to pursue sexual intercourse via sympathetic tone. Many interventions can elevate HRV; future research is warranted on how they can be tailored to treat ED in younger men. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=erectile%20dysfunction" title="erectile dysfunction">erectile dysfunction</a>, <a href="https://publications.waset.org/abstracts/search?q=heart%20rate%20variability" title=" heart rate variability"> heart rate variability</a>, <a href="https://publications.waset.org/abstracts/search?q=standard%20deviation%20of%20the%20heart%20rate" title=" standard deviation of the heart rate"> standard deviation of the heart rate</a>, <a href="https://publications.waset.org/abstracts/search?q=younger%20men" title=" younger men"> younger men</a> </p> <a href="https://publications.waset.org/abstracts/92756/erectile-function-and-heart-rate-variability-in-men-under-40-years-old" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/92756.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">276</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">21</span> Emotions Triggered by Children’s Literature Images</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ana%20Maria%20Reis%20d%27Azevedo%20Breda">Ana Maria Reis d'Azevedo Breda</a>, <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Maria%20Neto%20da%20Cruz"> Catarina Maria Neto da Cruz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The role of images/illustrations in communicating meanings and triggering emotions assumes an increasingly relevant role in contemporary texts, regardless of the age group for which they are intended or the nature of the texts that host them. It is no coincidence that children's books are full of illustrations and that the image/text ratio decreases as the age group grows. The vast majority of children's books can be considered multimodal texts containing text and images/illustrations interacting with each other to provide the young reader with a broader and more creative understanding of the book's narrative. This interaction is very diverse, ranging from images/illustrations that are not essential for understanding the storytelling to those that contribute significantly to the meaning of the story. Usually, these books are also read by adults, namely by parents, educators, and teachers who act as mediators between the book and the children, explaining aspects that are or seem to be too complex for the child's context. It should be noted that there are books labeled as children's books that are clearly intended for both children and adults. In this work, following a qualitative and interpretative methodology based on written productions, participant observation, and field notes, we will describe the perceptions of future teachers of the 1st cycle of basic education, attending a master's degree at a Portuguese university, about the role of the image in literary and non-literary texts, namely in mathematical texts, and how these can constitute precious resources for emotional regulation and for the design of creative didactic situations. The analysis of the collected data allowed us to obtain evidence regarding the evolution of the participants' perception regarding the crucial role of images in children's literature, not only as an emotional regulator for young readers but also as a creative source for the design of meaningful didactical situations, crossing other scientific areas, other than the mother tongue, namely mathematics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=children%E2%80%99s%20literature" title="children’s literature">children’s literature</a>, <a href="https://publications.waset.org/abstracts/search?q=emotions" title=" emotions"> emotions</a>, <a href="https://publications.waset.org/abstracts/search?q=multimodal%20texts" title=" multimodal texts"> multimodal texts</a>, <a href="https://publications.waset.org/abstracts/search?q=soft%20skills" title=" soft skills"> soft skills</a> </p> <a href="https://publications.waset.org/abstracts/162311/emotions-triggered-by-childrens-literature-images" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162311.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">94</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">20</span> Lexicographic Rules on the Use of Technologies for Realization of the National Signs-Terms Inventory of Cultural Heritage Field in Libras</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gl%C3%A1ucio%20de%20Castro%20J%C3%BAnior">Gláucio de Castro Júnior</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniela%20Prometi"> Daniela Prometi</a>, <a href="https://publications.waset.org/abstracts/search?q=Patr%C3%ADcia%20Tuxi"> Patrícia Tuxi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The project 'Inventory Signs-terms of the cultural heritage field in Libras' provides for the establishment of an inventory of signs, terms relating to the field of cultural heritage in Libras, from the results of research in progress as the pilot project' Accessibility Communication, Translation and Interpretation to the Application Portal Libras Heritage 'and the Pilot Project' registration-signal terms for the preparation of bilingual lexicon Libras / Portuguese terms available in the Portal Heritage. The project's goal is to spread the lexicographical rules on the use of technologies in video graphic records of sign language and foster the training of undergraduate students and graduate to the registration of the linguistic diversity of Libras through social and communicative interaction with the community deaf and enable access to Deaf information relating to the field of cultural heritage in Libras. As a result, we expect the spread of the inventory of cultural heritage-signs in terms Libras in application usage 'Portal Heritage'. To achieve the proposed objectives are accomplished technical consulting and continuous training for the production of academic material through theoretical and practical meetings, taught by experts Libras LIP / UNB in partnership with some institutions. The Inventory project signals-Terms under Heritage in Libras field initially took place in Rio de Janeiro in order to allow its development in the Midwest region, due to technical, elected some cities in Brazil, including Manaus in Amazon Macapa in Amapa, Salvador Bahia, Goiás and Goiânia in Florianopolis in Santa Catarina. At the end of all this process, the assessment by preparing a technical report presenting all the advances and points achieved in the project looking for social improvement, economic, environmental and language in the use of technology will be conducted. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=signs-terms" title="signs-terms">signs-terms</a>, <a href="https://publications.waset.org/abstracts/search?q=equity-cultural%20accessibility" title=" equity-cultural accessibility"> equity-cultural accessibility</a>, <a href="https://publications.waset.org/abstracts/search?q=technology" title=" technology"> technology</a>, <a href="https://publications.waset.org/abstracts/search?q=sign%20language" title=" sign language"> sign language</a> </p> <a href="https://publications.waset.org/abstracts/44500/lexicographic-rules-on-the-use-of-technologies-for-realization-of-the-national-signs-terms-inventory-of-cultural-heritage-field-in-libras" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44500.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">419</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">19</span> From Homogeneous to Phase Separated UV-Cured Interpenetrating Polymer Networks: Influence of the System Composition on Properties and Microstructure</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Caroline%20Rocco">Caroline Rocco</a>, <a href="https://publications.waset.org/abstracts/search?q=Feyza%20Karasu"> Feyza Karasu</a>, <a href="https://publications.waset.org/abstracts/search?q=C%C3%A9line%20Croutx%C3%A9-Barghorn"> Céline Croutxé-Barghorn</a>, <a href="https://publications.waset.org/abstracts/search?q=Xavier%20Allonas"> Xavier Allonas</a>, <a href="https://publications.waset.org/abstracts/search?q=Maxime%20Lecomp%C3%A8re"> Maxime Lecompère</a>, <a href="https://publications.waset.org/abstracts/search?q=G%C3%A9rard%20Riess"> Gérard Riess</a>, <a href="https://publications.waset.org/abstracts/search?q=Yujing%20Zhang"> Yujing Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Esteves"> Catarina Esteves</a>, <a href="https://publications.waset.org/abstracts/search?q=Leendert%20van%20der%20Ven"> Leendert van der Ven</a>, <a href="https://publications.waset.org/abstracts/search?q=Rolf%20van%20Benthem%20Gijsbertus%20de%20With"> Rolf van Benthem Gijsbertus de With</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Acrylates are widely used in UV-curing technology. Their high reactivity can, however, limit their conversion due to early vitrification. In addition, the free radical photopolymerization is known to be sensitive to oxygen inhibition leading to tacky surfaces. Although epoxides can lead to full polymerization, they are sensitive to humidity and exhibit low polymerization rate. To overcome the intrinsic limitations of both classes of monomers, Interpenetrating Polymer Networks (IPNs) can be synthesized. They consist of at least two cross linked polymers which are permanently entangled. They can be achieved under thermal and/or light induced polymerization in one or two steps approach. IPNs can display homogeneous to heterogeneous morphologies with various degrees of phase separation strongly linked to the monomer miscibility and also synthesis parameters. In this presentation, we synthesize UV-cured methacrylate - epoxide based IPNs with different chemical compositions in order to get a better understanding of their formation and phase separation. Miscibility before and during the photopolymerization, reaction kinetics, as well as mechanical properties and morphology have been investigated. The key parameters controlling the morphology and the phase separation, namely monomer miscibility and synthesis parameters have been identified. By monitoring the stiffness changes on the film surface, atomic force acoustic microscopy (AFAM) gave, in conjunction with polymerization kinetic profiles and thermomechanical properties, explanations and corroborated the miscibility predictions. When varying the methacrylate / epoxide ratio, it was possible to move from a miscible and highly-interpenetrated IPN to a totally immiscible and phase-separated one. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=investigation%20of%20properties%20and%20morphology" title="investigation of properties and morphology">investigation of properties and morphology</a>, <a href="https://publications.waset.org/abstracts/search?q=kinetics" title=" kinetics"> kinetics</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20separation" title=" phase separation"> phase separation</a>, <a href="https://publications.waset.org/abstracts/search?q=UV-cured%20IPNs" title=" UV-cured IPNs"> UV-cured IPNs</a> </p> <a href="https://publications.waset.org/abstracts/27489/from-homogeneous-to-phase-separated-uv-cured-interpenetrating-polymer-networks-influence-of-the-system-composition-on-properties-and-microstructure" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27489.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">18</span> Effects of Acupuncture Treatment in Gait Parameters in Parkinson's Disease</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Isabel%20Ramos%20Pereira">Catarina Isabel Ramos Pereira</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Machado"> Jorge Machado</a>, <a href="https://publications.waset.org/abstracts/search?q=Begona%20Alonso%20Criado"> Begona Alonso Criado</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Jo%C3%A3o%20Santos"> Maria João Santos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Gait disorders are one of the symptoms that have severe implications on the quality of life in Parkinson's disease (PD). Currently, there is no therapy to reverse or treat this condition. None of the drugs used in conventional medical treatment is entirely efficient, and all have a high incidence of side effects. Acupuncture treatment is believed to improve motor ability, but there is still little scientific evidence in individuals with PD. Aim: The aim of the study is to investigate the acute effect of acupuncture on gait parameters in Parkinson's disease. Methods: This is a randomized and controlled crossover study. The same individual patient was part of both the experimental (real acupuncture) and control group (false acupuncture/sham), and the sequence was randomized. Gait parameters were measured at two different moments, before and after treatment, using four force platforms as well as the collection of 3D markers positions taken by 11 cameras. Images were quantitatively analyzed using Qualisys Track Manager software that let us extract data related to the quality of gait and balance. Seven patients with the diagnosis of Parkinson's disease were included in the study. Results: Statistically significant differences were found in gait speed (p = 0.016), gait cadence (p = 0.006), support base width (p = 0.0001), medio-lateral oscillation (p = 0.017), left-right step length (p = 0.0002), and stride length: right-right (p = 0.0000) and left-left (p = 0.0018), time of left support phase (p = 0.029), right support phase (p = 0.025) and double support phase (p = 0.015), between the initial and final moments for the experimental group. Differences in right-left stride length were found for both groups. Conclusion: Our results show that acupuncture could enhance gait in Parkinson's disease patients. Deep research involving a larger number of volunteers should be accomplished to validate these encouraging findings. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acupuncture" title="acupuncture">acupuncture</a>, <a href="https://publications.waset.org/abstracts/search?q=traditional%20Chinese%20medicine" title=" traditional Chinese medicine"> traditional Chinese medicine</a>, <a href="https://publications.waset.org/abstracts/search?q=Parkinson%27s%20disease" title=" Parkinson's disease"> Parkinson's disease</a>, <a href="https://publications.waset.org/abstracts/search?q=gait" title=" gait"> gait</a> </p> <a href="https://publications.waset.org/abstracts/143505/effects-of-acupuncture-treatment-in-gait-parameters-in-parkinsons-disease" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/143505.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">170</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">17</span> Valorization of Waste and By-products for Protein Extraction and Functional Properties</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lorena%20Coelho">Lorena Coelho</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20Ramada"> David Ramada</a>, <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Nobre"> Catarina Nobre</a>, <a href="https://publications.waset.org/abstracts/search?q=Joaquim%20Gai%C3%A3o"> Joaquim Gaião</a>, <a href="https://publications.waset.org/abstracts/search?q=Juliana%20Duarte"> Juliana Duarte</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The development of processes that allows the valorization of waste and by-products generated by industries is crucial to promote symbiotic relationships between different sectors and is mandatory to “close the loop” in the circular economy paradigm. In recent years, by-products and waste from agro-food and forestry sector have attracted attention due to their potential application and technical characteristics. The extraction of bio-based active compounds to be reused is in line with the circular bioeconomy concept trends, combining the use of renewable resources with the process’s circularity, aiming the waste reduction and encouraging reuse and recycling. Among different types of bio-based materials, which are being explored and can be extracted, proteins fractions are becoming an attractive new raw material. Within this context, BioTrace4Leather project, a collaboration between two Technological Centres – CeNTI and CTIC, and a company of Tanning and Finishing of Leather – Curtumes Aveneda, aims to develop innovative and biologically sustainable solutions for leather industry and accomplish the market circularity trends. Specifically, it aims to the valorisation of waste and by-products from the tannery industry through proteins extraction and the development of an innovative and biologically sustainable materials. The achieved results show that keratin, gelatine, and collagen fractions can be successfully extracted from hair and leather bovine waste. These products could be reintegrated into the industrial manufacturing process to attain innovative and functional textile and leather substrates. ACKNOWLEDGEMENT This work has been developed under BioTrace4Leather scope, a project co-funded by Operational Program for Competitiveness and Internationalization (COMPETE) of PORTUGAL2020, through the European Regional Development Fund (ERDF), under grant agreement Nº POCI-01-0247-FEDER-039867. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=leather%20by-products" title="leather by-products">leather by-products</a>, <a href="https://publications.waset.org/abstracts/search?q=circular%20economy" title=" circular economy"> circular economy</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainability" title=" sustainability"> sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=protein%20fractions" title=" protein fractions"> protein fractions</a> </p> <a href="https://publications.waset.org/abstracts/144214/valorization-of-waste-and-by-products-for-protein-extraction-and-functional-properties" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144214.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">158</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">16</span> Fires in Historic Buildings: Assessment of Evacuation of People by Computational Simulation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ivana%20R.%20Moser">Ivana R. Moser</a>, <a href="https://publications.waset.org/abstracts/search?q=Joao%20C.%20Souza"> Joao C. Souza</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Building fires are random phenomena that can be extremely violent, and safe evacuation of people is the most guaranteed tactic in saving lives. The correct evacuation of buildings, and other spaces occupied by people, means leaving the place in a short time and by the appropriate way. It depends on the perception of spaces by the individual, the architectural layout and the presence of appropriate routing systems. As historical buildings were constructed in other times, when, as in general, the current security requirements were not available yet, it is necessary to adapt these spaces to make them safe. Computer models of evacuation simulation are widely used tools for assessing the safety of people in a building or agglomeration sites and these are associated with the analysis of human behaviour, makes the results of emergency evacuation more correct and conclusive. The objective of this research is the performance evaluation of historical interest buildings, regarding the safe evacuation of people, through computer simulation, using PTV Viswalk software. The buildings objects of study are the Colégio Catarinense, centennial building, located in the city of Florianópolis, Santa Catarina / Brazil. The software used uses the variables of human behaviour, such as: avoid collision with other pedestrians and avoid obstacles. Scenarios were run on the three-dimensional models and the contribution to safety in risk situations was verified as an alternative measure, especially in the impossibility of applying those measures foreseen by the current fire safety codes in Brazil. The simulations verified the evacuation time in situations of normality and emergency situations, as well as indicate the bottlenecks and critical points of the studied buildings, to seek solutions to prevent and correct these undesirable events. It is understood that adopting an advanced computational performance-based approach promotes greater knowledge of the building and how people behave in these specific environments, in emergency situations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=computer%20simulation" title="computer simulation">computer simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=escape%20routes" title=" escape routes"> escape routes</a>, <a href="https://publications.waset.org/abstracts/search?q=fire%20safety" title=" fire safety"> fire safety</a>, <a href="https://publications.waset.org/abstracts/search?q=historic%20buildings" title=" historic buildings"> historic buildings</a>, <a href="https://publications.waset.org/abstracts/search?q=human%20behavior" title=" human behavior"> human behavior</a> </p> <a href="https://publications.waset.org/abstracts/93439/fires-in-historic-buildings-assessment-of-evacuation-of-people-by-computational-simulation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/93439.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">186</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">15</span> Increased Seedling Vigor Through Phytohomeopathy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jasper%20Jose%20Zanco">Jasper Jose Zanco</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Plants are affected by substances diluted below certain limits. In seeds subjected to ultra-high dilutions (UHD), according to phytohomeopathic methods, it is possible to reduce the concentrations to infinitesimal levels and the effects persist. This research aimed to test different potencies of UHD to modify the vigor of Eruca versicaria (L) Cav. seedlings. The research was carried out at the Plant Production Laboratory of UNISUL University in Santa Catarina, Brazil. Eight UHD treatments were tested, four drops for every 30 mL of distilled water: Control (70% alcohol - A70); Sulphur (S9), Acidum fluoridricum (A30), Calcarea carbonica (C200), Graphies naturalis (G200), Kali carbonicum (K100) Belladonna (B12), diluted and succussed in Hahnemannian centesimal standards. Succussion is a standard pharmaceutical method found in worldwide pharmaceuticals. The statistical design consisted of 50 seeds every 4 replicates per treatment, completely randomized, followed by ANOVA and Tukey's test. Succussion may integrate the high dilution of water treatments, even after successive dilutions, and the product of this process acts through physical-chemical and bioelectric stimuli, causing physiological responses at the cellular level, such as the activation of antioxidant systems, increased resistance to environmental stress or growth modulation. According to some researchers, these responses could be mediated by genetic expression changes or the plants' cellular signaling systems. The results showed significant differences between the control (A70) and the other treatments. Conductivity measurements were made in the seed germination water and impedance; the seedlings were measured for dry weight and total area. The highest conductivity occurred in the control treatment (27.8 μS/cm) and the lowest in K100 (21.3 μS/cm). After germination, on germitest paper, A70 was significantly different from G200 (<1%) and S9 (5%). Both homeopathies differed from the other treatments, with S9 obtaining the best germination (87.1%) and vigor index (IV=7.98) in relation to the other treatments. The control, A70, presented the lowest germination (63.9%) and vigor (IV=4.93). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ultra%20high%20dilution" title="ultra high dilution">ultra high dilution</a>, <a href="https://publications.waset.org/abstracts/search?q=impedance" title=" impedance"> impedance</a>, <a href="https://publications.waset.org/abstracts/search?q=condutivity" title=" condutivity"> condutivity</a>, <a href="https://publications.waset.org/abstracts/search?q=eruca%20versicaria" title=" eruca versicaria"> eruca versicaria</a> </p> <a href="https://publications.waset.org/abstracts/192651/increased-seedling-vigor-through-phytohomeopathy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/192651.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">18</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">14</span> Promoting Creative and Critical Thinking in Mathematics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ana%20Maria%20Reis%20D%27Azevedo%20Breda">Ana Maria Reis D'Azevedo Breda</a>, <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Maria%20Neto%20da%20Cruz"> Catarina Maria Neto da Cruz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Japanese art of origami provides a rich context for designing exploratory mathematical activities for children and young people. By folding a simple sheet of paper, fascinating and surprising planar and spatial configurations emerge. Equally surprising is the unfolding process, which also produces striking patterns. The procedure of folding, unfolding, and folding again allows the exploration of interesting geometric patterns. When adequately and systematically done, we may deduce some of the mathematical rules ruling origami. As the child/youth folds the sheet of paper repeatedly, he can physically observe how the forms he obtains are transformed and how they relate to the pattern of the corresponding unfolding, creating space for the understanding/discovery of mathematical principles regulating the folding-unfolding process. As part of a 2023 Summer Academy organized by a Portuguese university, a session entitled “Folding, Thinking and Generalizing” took place. Twenty-three students attended the session, all enrolled in the 2nd cycle of Portuguese Basic Education and aged between 10 and 12 years old. The main focus of this session was to foster the development of critical cognitive and socio-emotional skills among these young learners using origami. These skills included creativity, critical analysis, mathematical reasoning, collaboration, and communication. Employing a qualitative, descriptive, and interpretative analysis of data collected during the session through field notes and students’ written productions, our findings reveal that structured origami-based activities not only promote student engagement with mathematical concepts in a playful and interactive but also facilitate the development of socio-emotional skills, which include collaboration and effective communication between participants. This research highlights the value of integrating origami into educational practices, highlighting its role in supporting comprehensive cognitive and emotional learning experiences. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=skills" title="skills">skills</a>, <a href="https://publications.waset.org/abstracts/search?q=origami%20rules" title=" origami rules"> origami rules</a>, <a href="https://publications.waset.org/abstracts/search?q=active%20learning" title=" active learning"> active learning</a>, <a href="https://publications.waset.org/abstracts/search?q=hands-on%20activities" title=" hands-on activities"> hands-on activities</a> </p> <a href="https://publications.waset.org/abstracts/172299/promoting-creative-and-critical-thinking-in-mathematics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172299.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">67</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">13</span> Directors’ Duties, Civil Liability, and the Business Judgment Rule under the Portuguese Legal Framework</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marisa%20Catarina%20da%20Concei%C3%A7%C3%A3o%20Dinis">Marisa Catarina da Conceição Dinis</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The commercial companies’ management has suffered an important material and legal transformation in the last years, mainly related to the changes in the Portuguese legal framework and because of the fact they were recently object of great expansion. In fact, next to the smaller family businesses, whose management is regularly assumed by partners, companies with social investment highly scattered, whose owners are completely out from administration, are now arising. In those particular cases, the business transactions are much more complex and require from the companies’ managers a highly technical knowledge and some specific professionals’ skills and abilities. This kind of administration carries a high-level risk that can both result in great success or in great losses. Knowing that the administration performance can result in important losses to the companies, the Portuguese legislator has created a legal structure to impute them some responsibilities and sanctions. The main goal of this study is to analyze the Portuguese law and some jurisprudence about companies’ management rules and about the conflicts between the directors and the company. In order to achieve these purposes we have to consider, on the one hand, the legal duties directly connected to the directors’ functions and on the other hand the disrespect for those same rules. The Portuguese law in this matter, influenced by the common law, determines that the directors’ attitude should be guided by loyalty and honesty. Consequently, we must reflect in which cases the administrators should respond to losses that they might cause to companies as a result of their duties’ disrespect. In this way is necessary to study the business judgment rule wich is a rule that refers to a liability exclusion rule. We intend, in the same way, to evaluate if the civil liability that results from the directors’ duties disrespect can extend itself to those who have elected them ignoring or even knowing that they don´t have the necessary skills or appropriate knowledge to the position they hold. To charge directors’, without ruining entrepreneurship, charging, in the same way, those who select them reinforces the need for more responsible and cautious attitudes which will lead consequently to more confidence in the markets. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=business%20judgment%20rule" title="business judgment rule">business judgment rule</a>, <a href="https://publications.waset.org/abstracts/search?q=civil%20liability%20of%20directors" title=" civil liability of directors"> civil liability of directors</a>, <a href="https://publications.waset.org/abstracts/search?q=duty%20of%20care" title=" duty of care"> duty of care</a>, <a href="https://publications.waset.org/abstracts/search?q=duty%20of%20care" title=" duty of care"> duty of care</a>, <a href="https://publications.waset.org/abstracts/search?q=Portuguese%20legal%20framework" title=" Portuguese legal framework"> Portuguese legal framework</a> </p> <a href="https://publications.waset.org/abstracts/47172/directors-duties-civil-liability-and-the-business-judgment-rule-under-the-portuguese-legal-framework" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47172.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">346</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">12</span> Peach as a Potential Functional Food: Biological Activity and Important Phenolic Compound Source</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lu%C3%ADs%20R.%20Silva">Luís R. Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Bento"> Catarina Bento</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20C.%20Gon%C3%A7alves"> Ana C. Gonçalves</a>, <a href="https://publications.waset.org/abstracts/search?q=F%C3%A1bio%20Jesus"> Fábio Jesus</a>, <a href="https://publications.waset.org/abstracts/search?q=Branca%20M.%20Silva"> Branca M. Silva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays, the general population is more and more concerned about nutrition and the health implications of an unbalanced diet. Current knowledge regarding the health benefits and antioxidant properties of certain foods such as fruits and vegetables has gained the interest of both the general public and scientific community. Peach (Prunus persica (L.) Batsch) is one of the most consumed fruits worldwide, with low sugar contents and a broad range of nutrients essential to the normal functioning of the body. Six different peach cultivars from the Fundão region in Portugal were evaluated regarding their phenolic composition by LC-DAD and biological activity. The prepared extracts’ capacity to scavenge free-radicals was tested through the stable free radical DPPH• and nitric oxide (•NO). Additionally, antidiabetic potential and protective effects against peroxyl radical (ROO•) induced damage to erythrocytes were also tested. LC-DAD analysis allowed the identification of 17 phenolic compounds, among which 5-O-caffeoylquinic acids and 3-O-caffeoylquinic acids are pointed out as the most abundant. Regarding the antioxidant activity, all cultivars displayed concentration-dependent free-radical scavenging activity against both nitrogen species and DPPH•. In respect to α-glucosidase inhibitory activity, Royal Magister and Royal Glory presented the highest inhibitory activity (IC50 = 11.7 ± 1.4 and 17.1 ± 1.7 μg/mL, respectively), nevertheless all six cultivars presented higher activity than the control acarbose. As for the protective effect of Royal Lu extract on the oxidative damage induced in erythrocytes by ROO•, the results were quite promising showing inhibition IC50 values of 110.0 ± 4.5 μg/mL and 83.8 ± 6.5 μg/mL for hemolysis and hemoglobin oxidation, respectively. The demonstrated activity is of course associated to the peaches’ phenolic profile, rich in phenolic acids and flavonoids with high hydrogen donating capacity. These compounds have great industrial interest for the manufacturing of natural products. The following step would naturally be the extraction and isolation from the plant tissues and large-scale production through biotechnology techniques. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antioxidants" title="antioxidants">antioxidants</a>, <a href="https://publications.waset.org/abstracts/search?q=functional%20food" title=" functional food"> functional food</a>, <a href="https://publications.waset.org/abstracts/search?q=phenolic%20compounds" title=" phenolic compounds"> phenolic compounds</a>, <a href="https://publications.waset.org/abstracts/search?q=peach" title=" peach"> peach</a> </p> <a href="https://publications.waset.org/abstracts/70855/peach-as-a-potential-functional-food-biological-activity-and-important-phenolic-compound-source" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/70855.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">294</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">11</span> An Exploratory Study of Entrepreneurial Satisfaction among Older Founders</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Seco%20Matos">Catarina Seco Matos</a>, <a href="https://publications.waset.org/abstracts/search?q=Miguel%20Amaral"> Miguel Amaral</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The developed world is facing falling birth rates and rising life expectancies. As a result, the overall demographic structure of societies is becoming markedly older. This leads to an economic and political pressure towards the extension of individuals’ working lives. On the other hand, evidence shows that some older workers choose to stay in the labour force as employees, whereas others choose to pursue a more entrepreneurial occupational path. Thus, entrepreneurship or self-employment may be an option for socioeconomic participation of older individuals. Previous research on senior entrepreneurship is scarce and it focuses mainly on entrepreneurship determinants and individuals’ intentions. The fact that entrepreneurship is perceived as a voluntary or involuntary decision or as a positive or a negative outcome by older individuals is, to the best of our knowledge, still unexplored in the literature. In order to analyse the determinants of entrepreneurial satisfaction among older individuals, primary data were obtained from a unique questionnaire survey, which was sent to Portuguese senior entrepreneurs who have launched their company aged 50 and over (N=181). Portugal is one of the countries in the world with the with the largest ageing population and with a high proportion of older individuals who remain active after their official retirement age – which makes it an extremely relevant case study on senior entrepreneurship. Findings suggest that non pecuniary factors (rather than pecuniary) are the main driver for entrepreneurship at older ages. Specifically, results show that the will to remain active is the main motivation of older individuals to become entrepreneurs. This is line with the activity and continuity theories. Furthermore, senior entrepreneurs tend to have had an active working life (using their professional experience as a proxy) and, thus, want to keep the same lifestyle at an older age (in line with theory of continuity). Finally, results show that even though older individuals’ companies may not show the best financial performance that does not seem to affect their satisfaction with the company and with entrepreneurship in general. The present study aims at exploring, discussing and bring new research on senior entrepreneurship to the fore, rather than assuming purely deductive approach; hence, further confirmatory analyses with larger sets from different countries of data are required. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=active%20ageing" title="active ageing">active ageing</a>, <a href="https://publications.waset.org/abstracts/search?q=entrepreneurship" title=" entrepreneurship"> entrepreneurship</a>, <a href="https://publications.waset.org/abstracts/search?q=older%20entrepreneur" title=" older entrepreneur"> older entrepreneur</a>, <a href="https://publications.waset.org/abstracts/search?q=Portugal" title=" Portugal"> Portugal</a>, <a href="https://publications.waset.org/abstracts/search?q=satisfaction" title=" satisfaction"> satisfaction</a>, <a href="https://publications.waset.org/abstracts/search?q=senior%20entrepreneur" title=" senior entrepreneur"> senior entrepreneur</a> </p> <a href="https://publications.waset.org/abstracts/60505/an-exploratory-study-of-entrepreneurial-satisfaction-among-older-founders" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60505.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">237</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">10</span> Saco Sweet Cherry from Fundão Region, Portugal: Chemical Profile and Health-Promoting Properties</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lu%C3%ADs%20R.%20Silva">Luís R. Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20C.%20Gon%C3%A7alves"> Ana C. Gonçalves</a>, <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Bento"> Catarina Bento</a>, <a href="https://publications.waset.org/abstracts/search?q=F%C3%A1bio%20Jesus"> Fábio Jesus</a>, <a href="https://publications.waset.org/abstracts/search?q=Branca%20M.%20Silva"> Branca M. Silva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Prunus avium Linnaeus, more known as sweet cherry, is one of the most appreciated fruit worldwide. Most of these quantities are produced in Fundão region, being Saco the cultivar most produced. Saco is very rich in bioactive compounds, especially phenolics, and presents great antioxidant capacity. The purpose of the present study was to investigate the chemical profile and biological potential, concerning antioxidant, anti-diabetic activity and protective effects towards erythrocytes by Saco sweet cherry collected from Fundão region (Portugal). The hydroethanolic extracts were prepared and passed through a C18 solid-phase extraction column. The phenolic profile analyzed by LC-DAD method allowed to the identification of 22 phenolic compounds, being 16 non-phenolics and 6 anthocyanins. In respect to non-coloured phenolics, 3-O-caffeoylquinic and ρ-coumaroylquinic acids were the main ones. Concerning to anthocyanins, cyanidin-3-O-rutinoside was found in higher amounts. Relatively to biological potential, Saco showed great antioxidant potential, through DPPH and NO radical assays, with IC50 =16.24 ± 0.46 µg/mL and IC50 = 176.69 ± 3.35 µg/mL for DPPH and NO, respectively. These results were similar to those obtained for ascorbic acid control (IC50 = 16.92 ± 0.69 and IC50 = 162.66 ± 1.31 μg/mL for DPPH and NO, respectively). In respect to antidiabetic potential, Saco revealed capacity to inhibit α-glucosidase in a dose-dependent manner (IC50 = 10.79 ± 0.40 µg/mL), being much active than positive control acarbose (IC50 = 306.66 ± 0.84 μg/mL). Additionally, Saco extracts revealed protective effects against ROO•-mediated toxicity generated by AAPH in human blood erythrocytes, inhibiting hemoglobin oxidation (IC50 = 38.57 ± 0.96 μg/mL) and hemolysis (IC50 = 73.03 ± 1.48 μg/mL), in a concentration-dependent manner. However, Saco extracts were less effective than quercetin control (IC50 = 3.10 μg/mL and IC50 = 0.7 μg/mL for inhibition of hemoglobin oxidation and hemolysis, respectively). The results obtained showed that Saco is an excellent source of phenolic compounds. These ones are natural antioxidant substances, which easily capture reactive species. This work presents new insights regarding sweet cherry antioxidant properties which may be useful for the future development of new therapeutic strategies for preventing or attenuating oxidative-related disorders. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antioxidant%20capacity" title="antioxidant capacity">antioxidant capacity</a>, <a href="https://publications.waset.org/abstracts/search?q=health%20benefits" title=" health benefits"> health benefits</a>, <a href="https://publications.waset.org/abstracts/search?q=phenolic%20compounds" title=" phenolic compounds"> phenolic compounds</a>, <a href="https://publications.waset.org/abstracts/search?q=saco" title=" saco"> saco</a> </p> <a href="https://publications.waset.org/abstracts/70856/saco-sweet-cherry-from-fundao-region-portugal-chemical-profile-and-health-promoting-properties" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/70856.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">316</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">9</span> Stems of Prunus avium: An Unexplored By-product with Great Bioactive Potential</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lu%C3%ADs%20R.%20Silva">Luís R. Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=F%C3%A1bio%20Jesus"> Fábio Jesus</a>, <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Bento"> Catarina Bento</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20C.%20Gon%C3%A7alves"> Ana C. Gonçalves</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Over the last few years, the traditional medicine has gained ground at nutritional and pharmacological level. The natural products and their derivatives have great importance in several drugs used in modern therapeutics. Plant-based systems continue to play an essential role in primary healthcare. Additionally, the utilization of their plant parts, such as leaves, stems and flowers as nutraceutical and pharmaceutical products, can add a high value in the natural products market, not just by the nutritional value due to the significant levels of phytochemicals, but also by to the high benefit for the producers and manufacturers business. Stems of Prunus avium L. are a byproduct resulting from the processing of cherry, and have been consumed over the years as infusions and decoctions due to its bioactive properties, being used as sedative, diuretic and draining, to relief of renal stones, edema and hypertension. In this work, we prepared a hydroethanolic and infusion extracts from stems of P. avium collected in Fundão Region (Portugal), and evaluate the phenolic profile by LC/DAD, antioxidant capacity, α-glucosidase inhibitory activity and protection of human erythrocytes against oxidative damage. The LC-DAD analysis allowed to the identification of 19 phenolic compounds, catechin and 3-O-caffolquinic acid were the main ones. In a general way, hydroethanolic extract proved to be more active than infusion. This extract had the best antioxidant activity against DPPH• (IC50=22.37 ± 0.28 µg/mL) and superoxide radical (IC50=13.93 ± 0.30 µg/mL). Furthermore, it was the most active concerning inhibition of hemoglobin oxidation (IC50=13.73 ± 0.67 µg/mL), hemolysis (IC50=1.49 ± 0.18 µg/mL) and lipid peroxidation (IC50=26.20 ± 0.38 µg/mL) on human erythrocytes. On the other hand, infusion revealed to be more efficient towards α-glucosidase inhibitory activity (IC50=3.18 ± 0.23 µg/mL) and against nitric oxide radical (IC50=99.99 ± 1.89 µg/mL). The Sweet cherry sector is very important in Fundão Region (Portugal), and taking profit from the great wastes produced during processing of the cherry to produce added-value products, such as food supplements cannot be ignored. Our results demonstrate that P. avium stems possesses remarkable antioxidant and free radical scavenging properties. It is therefore, suggest, that P. avium stems can be used as a natural antioxidant with high potential to prevent or slow the progress of human diseases mediated by oxidative stress. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=stems" title="stems">stems</a>, <a href="https://publications.waset.org/abstracts/search?q=Prunus%20avium" title=" Prunus avium"> Prunus avium</a>, <a href="https://publications.waset.org/abstracts/search?q=phenolic%20compounds" title=" phenolic compounds"> phenolic compounds</a>, <a href="https://publications.waset.org/abstracts/search?q=biological%20potential" title=" biological potential"> biological potential</a> </p> <a href="https://publications.waset.org/abstracts/70858/stems-of-prunus-avium-an-unexplored-by-product-with-great-bioactive-potential" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/70858.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">297</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">8</span> The Influence of Hydrolyzed Cartilage Collagen on General Mobility and Wellbeing of an Active Population</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sara%20De%20Pelsmaeker">Sara De Pelsmaeker</a>, <a href="https://publications.waset.org/abstracts/search?q=Catarina%20Ferreira%20da%20Silva"> Catarina Ferreira da Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Janne%20Prawit"> Janne Prawit</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Recent studies show that enzymatically hydrolysed collagen is absorbed and distributed to joint tissues, where it has analgesic and active anti-inflammatory properties. Reviews of the associated relevant literature also support this theory. However, these studies are all using hydrolyzed collagen from animal hide or skin. This study looks into the effect of daily supplementation of hydrolyzed cartilage collagen (HCC), which has a different composition. A consumer study was set up using a double-blind placebo-controlled design with a control group using twice a day 0.5gr of maltodextrin and an experimental group using twice 0.5g of HCC, over a trial period of 12 weeks. A follow-up phase of 4 weeks without supplementation was taken into the experiment to investigate the ‘wash-out’ phase. As this consumer study was conducted during the lockdown periods, a specific app was designed to follow up with the participants. The app had the advantage that in this way, the motivation of the participants was enhanced and the drop-out range of participants was lower than normally seen in consumer studies. Participants were recruited via various sports and health clubs across the UK as we targeted a general population of people that considered themselves in good health. Exclusion criteria were ‘not experiencing any medical conditions’ and ‘not taking any prescribed medication’. A minimum requirement was that they regularly engaged in some level of physical activity. The participants had to log the type of activity that they conducted and the duration of the activity. Weekly, participants were providing feedback on their joint health and subjective pain using the validated pain measuring instrument Visual Analogue Scale (VAS). The weekly repoAbstract Public Health and Wellbeing Conferencerting section in the app was designed with simplicity and based on the accuracy demonstrated in previous similar studies to track subjective pain measures of participants. At the beginning of the trial, each participant indicated their baseline on joint pain. The results of this consumer study indicated that HCC significantly improved joint health and subjective pain scores compared to the placebo group. No significant differences were found between different demographic groups (age or gender). The level of activity, going from high intensive training to regular walking, did not significantly influence the effect of the HCC. The results of the wash-out phase indicated that when the participants stopped the HCC supplementation, their subjective pain scores increased again to the baseline. In conclusion, the results gave a positive indication that the daily supplementation of HCC can contribute to the overall mobility and wellbeing of a general active population <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=VAS-score" title="VAS-score">VAS-score</a>, <a href="https://publications.waset.org/abstracts/search?q=food%20supplement" title=" food supplement"> food supplement</a>, <a href="https://publications.waset.org/abstracts/search?q=mobility" title=" mobility"> mobility</a>, <a href="https://publications.waset.org/abstracts/search?q=joint%20health" title=" joint health"> joint health</a> </p> <a href="https://publications.waset.org/abstracts/142471/the-influence-of-hydrolyzed-cartilage-collagen-on-general-mobility-and-wellbeing-of-an-active-population" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142471.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">162</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=Catarina%20Prista&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Catarina%20Prista&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 target="_blank" rel="nofollow" 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