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Rendon Villalobos</title> <meta name="description" content="Search results for: Rodolfo Rendon Villalobos"> <meta name="keywords" content="Rodolfo Rendon Villalobos"> <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 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Rodolfo Rendon Villalobos"> <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> 32</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Rodolfo Rendon Villalobos</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">32</span> Microstructure Analysis of Biopolymer Mixture (Chia-Gelatin) by Laser Confocal Microscopy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Emmanuel%20Flores%20Huicochea">Emmanuel Flores Huicochea</a>, <a href="https://publications.waset.org/abstracts/search?q=Guadalupe%20Borja%20Mendiola"> Guadalupe Borja Mendiola</a>, <a href="https://publications.waset.org/abstracts/search?q=Jacqueline%20Flores%20Lopez"> Jacqueline Flores Lopez</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodolfo%20Rendon%20Villalobos"> Rodolfo Rendon Villalobos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The usual procedure to investigate the properties of biodegradable films has been to prepare the film, measure the mechanical or transport properties and then decide whether the mixture has better properties than the individual components, instead of investigating whether the mixture has biopolymer-biopolymer interaction, then prepare the film and finally measure the properties of the film. The work investigates the presence of interaction biopolymer-biopolymer in a mixture of chia biopolymer and gelatin using Laser Confocal Microscopy (LCM). Previously, the chia biopolymer was obtained from chia seed. CML analysis of mixtures of chia biopolymer-gelatin without Na⁺ ions exhibited aggregates of different size, in the range of 100-400 μm, of defined color, for the two colors, but no mixing of color was observed. The increased of gelatin in the mixture decreases the size and number of aggregates. The tridimensional microstructure reveled that there are two layers of biopolymers, chia and gelatin well defined. The mixture chia biopolymer-gelatin with 10 mM Na⁺ and with a ratio 75:25 (chia-gelatin) showed lower aggregated size than others mixture with and without ions. This result could be explained because the chia biopolymer is a polyelectrolyte and the added sodium ions reduce the molecular rigidity by neutralizing the negative charges that the chia biopolymer possesses and therefore a better biopolymer-biopolymer interaction is allowed between the biopolymer of chia and gelatin. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biopolymer-biopolymer%20interaction" title="biopolymer-biopolymer interaction">biopolymer-biopolymer interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=confocal%20laser%20microscopy" title=" confocal laser microscopy"> confocal laser microscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=CLM" title=" CLM"> CLM</a>, <a href="https://publications.waset.org/abstracts/search?q=microstructure" title=" microstructure"> microstructure</a>, <a href="https://publications.waset.org/abstracts/search?q=mixture%20chia-gelatin" title=" mixture chia-gelatin"> mixture chia-gelatin</a> </p> <a href="https://publications.waset.org/abstracts/82302/microstructure-analysis-of-biopolymer-mixture-chia-gelatin-by-laser-confocal-microscopy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82302.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">208</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> Association between G2677T/A MDR1 Polymorphism with the Clinical Response to Disease Modifying Anti-Rheumatic Drugs in Rheumatoid Arthritis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alan%20Ruiz-Padilla">Alan Ruiz-Padilla</a>, <a href="https://publications.waset.org/abstracts/search?q=Brando%20Villalobos-Villalobos"> Brando Villalobos-Villalobos</a>, <a href="https://publications.waset.org/abstracts/search?q=Yeniley%20Ruiz-Noa"> Yeniley Ruiz-Noa</a>, <a href="https://publications.waset.org/abstracts/search?q=Claudia%20Mendoza-Mac%C3%ADas"> Claudia Mendoza-Macías</a>, <a href="https://publications.waset.org/abstracts/search?q=Claudia%20Palafox-S%C3%A1nchez"> Claudia Palafox-Sánchez</a>, <a href="https://publications.waset.org/abstracts/search?q=Miguel%20Mar%C3%ADn-Rosales"> Miguel Marín-Rosales</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%81lvaro%20Cruz"> Álvaro Cruz</a>, <a href="https://publications.waset.org/abstracts/search?q=Rub%C3%A9n%20Rangel-Salazar"> Rubén Rangel-Salazar </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: In patients with rheumatoid arthritis, resistance or poor response to disease modifying antirheumatic drugs (DMARD) may be a reflection of the increase in g-P. The expression of g-P may be important in mediating the effluence of DMARD from the cell. In addition, P-glycoprotein is involved in the transport of cytokines, IL-1, IL-2 and IL-4, from normal lymphocytes activated to the surrounding extracellular matrix, thus influencing the activity of RA. The involvement of P-glycoprotein in the transmembrane transport of cytokines can serve as a modulator of the efficacy of DMARD. It was shown that a number of lymphocytes with glycoprotein P activity is increased in patients with RA; therefore, P-glycoprotein expression could be related to the activity of RA and could be a predictor of poor response to therapy. Objective: To evaluate in RA patients, if the G2677T/A MDR1 polymorphisms is associated with differences in the rate of therapeutic response to disease-modifying antirheumatic agents in patients with rheumatoid arthritis. Material and Methods: A prospective cohort study was conducted. Fifty seven patients with RA were included. They had an active disease according to DAS-28 (score >3.2). We excluded patients receiving biological agents. All the patients were followed during 6 months in order to identify the rate of therapeutic response according to the American College of Rheumatology (ACR) criteria. At the baseline peripheral blood samples were taken in order to identify the G2677T/A MDR1 polymorphisms using PCR- Specific allele. The fragment was identified by electrophoresis in polyacrylamide gels stained with ethidium bromide. For statistical analysis, the genotypic and allelic frequencies of MDR1 gene polymorphism between responders and non-responders were determined. Chi-square tests as well as, relative risks with 95% confidence intervals (95%CI) were computed to identify differences in the risk for achieving therapeutic response. Results: RA patients had a mean age of 47.33 ± 12.52 years, 87.7% were women with a mean for DAS-28 score of 6.45 ± 1.12. At the 6 months, the rate of therapeutic response was 68.7 %. The observed genotype frequencies were: for G/G 40%, T/T 32%, A/A 19%, G/T 7% and for A/A genotype 2%. Patients with G allele developed at 6 months of treatment, higher rate for therapeutic response assessed by ACR20 compared to patients with others alleles (p=0.039). Conclusions: Patients with G allele of the - G2677T/A MDR1 polymorphisms had a higher rate of therapeutic response at 6 months with DMARD. These preliminary data support the requirement for a deep evaluation of these and other genotypes as factors that may influence the therapeutic response in RA. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pharmacogenetics" title="pharmacogenetics">pharmacogenetics</a>, <a href="https://publications.waset.org/abstracts/search?q=MDR1" title=" MDR1"> MDR1</a>, <a href="https://publications.waset.org/abstracts/search?q=P-glycoprotein" title=" P-glycoprotein"> P-glycoprotein</a>, <a href="https://publications.waset.org/abstracts/search?q=therapeutic%20response" title=" therapeutic response"> therapeutic response</a>, <a href="https://publications.waset.org/abstracts/search?q=rheumatoid%20arthritis" title=" rheumatoid arthritis"> rheumatoid arthritis</a> </p> <a href="https://publications.waset.org/abstracts/96486/association-between-g2677ta-mdr1-polymorphism-with-the-clinical-response-to-disease-modifying-anti-rheumatic-drugs-in-rheumatoid-arthritis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/96486.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">208</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> Marriage Domination and Divorce Domination in Graphs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mark%20L.%20Caay">Mark L. Caay</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodolfo%20E.%20Maza"> Rodolfo E. Maza</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, the authors define two new variants of domination in graphs: the marriage and the divorce domination. A subset S ⊆ V (G) is said to be a marriage dominating set of G if for every e ∈ E(G), there exists a u ∈ V (G) such that u is one of the end vertex of e. A marriage dominating set S ⊆ V (G) is said to be a divorce dominating set of G if G\S is a disconnected graph. In this study, the authors present conditions of graphs for which the marriage and the divorce domination will take place and for which the two sets will coincide. Furthermore, the author gives the necessary and sufficient conditions for marriage domination to avoid divorce. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=domination" title="domination">domination</a>, <a href="https://publications.waset.org/abstracts/search?q=decomposition" title=" decomposition"> decomposition</a>, <a href="https://publications.waset.org/abstracts/search?q=marriage%20domination" title=" marriage domination"> marriage domination</a>, <a href="https://publications.waset.org/abstracts/search?q=divorce%20domination" title=" divorce domination"> divorce domination</a>, <a href="https://publications.waset.org/abstracts/search?q=marriage%20theorem" title=" marriage theorem"> marriage theorem</a> </p> <a href="https://publications.waset.org/abstracts/192228/marriage-domination-and-divorce-domination-in-graphs" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/192228.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">17</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">29</span> Processes of Identities Formation and Transformation among Professional Skilled Mexican Migrants in the United States</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Laura%20Vazquez%20Maggio">M. Laura Vazquez Maggio</a>, <a href="https://publications.waset.org/abstracts/search?q=Lilia%20Dominguez%20Villalobos"> Lilia Dominguez Villalobos</a>, <a href="https://publications.waset.org/abstracts/search?q=Jan%20Luka%20Frey"> Jan Luka Frey</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper contributes to the understanding of the dynamic and the relational nature of identities formation among skilled middle-class migrants. Following the idea that identities are never singular, multifaceted and have a necessarily processual character, the authors specifically analyze three dimensions of the identity of qualified Mexican migrants in the US and the interplay between them. Drawing on semi-structured interviews with skilled Mexican middle-class migrants in the US, the paper explores how skilled Mexican migrants preserve their ethno-national identity (their ‘Mexicanness’) in reaction to a hostile socio-political reception context in the US. It further shows how these migrants recreate their class identity and show tendencies to distance themselves from what they perceive as lower-class Mexican migrants and the dominant popular Mexican and Latin-American cultural expressions. In a final step, it examines how the lived experience of migration itself impacts the migrants’ identities, their concept of self and feelings/modes of being and belonging. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ethno-national%20identity" title="ethno-national identity">ethno-national identity</a>, <a href="https://publications.waset.org/abstracts/search?q=middle%20class%20identity" title=" middle class identity"> middle class identity</a>, <a href="https://publications.waset.org/abstracts/search?q=middle-class%20migration" title=" middle-class migration"> middle-class migration</a>, <a href="https://publications.waset.org/abstracts/search?q=migrants%E2%80%99%20identity" title=" migrants’ identity"> migrants’ identity</a>, <a href="https://publications.waset.org/abstracts/search?q=skilled%20migration" title=" skilled migration"> skilled migration</a> </p> <a href="https://publications.waset.org/abstracts/123405/processes-of-identities-formation-and-transformation-among-professional-skilled-mexican-migrants-in-the-united-states" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/123405.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">28</span> Essential Oil Blend Containing Capsaicin, Carvacrol, and Cinnamaldehyde in Broiler Production Performance and Intestinal Morphometrics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marianne%20D.%20M.%20Rendon">Marianne D. M. Rendon</a>, <a href="https://publications.waset.org/abstracts/search?q=Sonia%20P.%20Acda"> Sonia P. Acda</a>, <a href="https://publications.waset.org/abstracts/search?q=Veneranda%20A.%20Magpantay"> Veneranda A. Magpantay</a>, <a href="https://publications.waset.org/abstracts/search?q=Norma%20N.%20Fajardo"> Norma N. Fajardo</a>, <a href="https://publications.waset.org/abstracts/search?q=Amado%20A.%20Angeles"> Amado A. Angeles</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study is to evaluate the effect of supplementing broiler starter diet with different levels of an essential oil blend (EOB) containing capsaicin, carvacrol and cinnamaldehyde on the performance of broilers. A total of 300 day-old straight-run Cobb broiler chicks were randomly assigned to three treatments after 7-day group brooding following a completely randomized design (CRD). Birds assigned in treatment 1 were given starter basal diet while those in treatments 2 and 3 were given starter basal diet with 400 mg/kg antibiotic growth promoter (AGP) and 150 mg/kg EOB, respectively, until the 28th day. Basal finisher feed were given for all the treatments until harvest. Following 37 d feeding, body weight gain, feed consumption, feed efficiency, dressing percentage, livability and jejunal villi height were determined. Results showed no significant differences (P>0.05) in growth performance. However, villi height and crypt depth was significantly lower for birds fed EOB. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=broiler" title="broiler">broiler</a>, <a href="https://publications.waset.org/abstracts/search?q=capsaicin" title=" capsaicin"> capsaicin</a>, <a href="https://publications.waset.org/abstracts/search?q=carvacrol" title=" carvacrol"> carvacrol</a>, <a href="https://publications.waset.org/abstracts/search?q=cinnamaldehyde" title=" cinnamaldehyde"> cinnamaldehyde</a>, <a href="https://publications.waset.org/abstracts/search?q=essential%20oil" title=" essential oil"> essential oil</a> </p> <a href="https://publications.waset.org/abstracts/32336/essential-oil-blend-containing-capsaicin-carvacrol-and-cinnamaldehyde-in-broiler-production-performance-and-intestinal-morphometrics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32336.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">27</span> Classifying Facial Expressions Based on a Motion Local Appearance Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fabiola%20M.%20Villalobos-Castaldi">Fabiola M. Villalobos-Castaldi</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicol%C3%A1s%20C.%20Kemper"> Nicolás C. Kemper</a>, <a href="https://publications.waset.org/abstracts/search?q=Esther%20Rojas-Krugger"> Esther Rojas-Krugger</a>, <a href="https://publications.waset.org/abstracts/search?q=Laura%20G.%20Ram%C3%ADrez-S%C3%A1nchez"> Laura G. Ramírez-Sánchez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the classification results about exploring the combination of a motion based approach with a local appearance method to describe the facial motion caused by the muscle contractions and expansions that are presented in facial expressions. The proposed feature extraction method take advantage of the knowledge related to which parts of the face reflects the highest deformations, so we selected 4 specific facial regions at which the appearance descriptor were applied. The most common used approaches for feature extraction are the holistic and the local strategies. In this work we present the results of using a local appearance approach estimating the correlation coefficient to the 4 corresponding landmark-localized facial templates of the expression face related to the neutral face. The results let us to probe how the proposed motion estimation scheme based on the local appearance correlation computation can simply and intuitively measure the motion parameters for some of the most relevant facial regions and how these parameters can be used to recognize facial expressions automatically. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=facial%20expression%20recognition%20system" title="facial expression recognition system">facial expression recognition system</a>, <a href="https://publications.waset.org/abstracts/search?q=feature%20extraction" title=" feature extraction"> feature extraction</a>, <a href="https://publications.waset.org/abstracts/search?q=local-appearance%20method" title=" local-appearance method"> local-appearance method</a>, <a href="https://publications.waset.org/abstracts/search?q=motion-based%20approach" title=" motion-based approach"> motion-based approach</a> </p> <a href="https://publications.waset.org/abstracts/27632/classifying-facial-expressions-based-on-a-motion-local-appearance-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27632.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">413</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> Across-Breed Genetic Evaluation of New Zealand Dairy Goats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Lopez-Villalobos">Nicolas Lopez-Villalobos</a>, <a href="https://publications.waset.org/abstracts/search?q=Dorian%20J.%20Garrick"> Dorian J. Garrick</a>, <a href="https://publications.waset.org/abstracts/search?q=Hugh%20T.%20Blair"> Hugh T. Blair</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Many dairy goat farmers of New Zealand milk herds of mixed breed does. Simultaneous evaluation of sires and does across breed is required to select the best animals for breeding on a common basis. Across-breed estimated breeding values (EBV) and estimated producing values for 208-day lactation yields of milk (MY), fat (FY), protein (PY) and somatic cell score (SCS; LOG2(SCC) of Saanen, Nubian, Alpine, Toggenburg and crossbred dairy goats from 75 herds were estimated using a test day model. Evaluations were based on 248,734 herd-test records representing 125,374 lactations from 65,514 does sired by 930 sires over 9 generations. Averages of MY, FY and PY were 642 kg, 21.6 kg and 19.8 kg, respectively. Average SCC and SCS were 936,518 cells/ml milk and 9.12. Pure-bred Saanen does out-produced other breeds in MY, FY and PY. Average EBV for MY, FY and PY compared to a Saanen base were Nubian -98 kg, 0.1 kg and -1.2 kg; Alpine -64 kg, -1.0 kg and -1.7 kg; and Toggenburg -42 kg, -1.0 kg and -0.5 kg. First-cross heterosis estimates were 29 kg MY, 1.1 kg FY and 1.2 kg PY. Average EBV for SCS compared to a Saanen base were Nubian 0.041, Alpine -0.083 and Toggenburg 0.094. Heterosis for SCS was 0.03. Breeding values are combined with respective economic values to calculate an economic index used for ranking sires and does to reflect farm profit. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=breed%20effects" title="breed effects">breed effects</a>, <a href="https://publications.waset.org/abstracts/search?q=dairy%20goats" title=" dairy goats"> dairy goats</a>, <a href="https://publications.waset.org/abstracts/search?q=milk%20traits" title=" milk traits"> milk traits</a>, <a href="https://publications.waset.org/abstracts/search?q=test-day%20model" title=" test-day model"> test-day model</a> </p> <a href="https://publications.waset.org/abstracts/63513/across-breed-genetic-evaluation-of-new-zealand-dairy-goats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63513.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">330</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> Sperm Flagellum Center-Line Tracing in 4D Stacks Using an Iterative Minimal Path Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Paul%20Hernandez-Herrera">Paul Hernandez-Herrera</a>, <a href="https://publications.waset.org/abstracts/search?q=Fernando%20Montoya"> Fernando Montoya</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20Manuel%20Rendon"> Juan Manuel Rendon</a>, <a href="https://publications.waset.org/abstracts/search?q=Alberto%20Darszon"> Alberto Darszon</a>, <a href="https://publications.waset.org/abstracts/search?q=Gabriel%20Corkidi"> Gabriel Corkidi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Intracellular calcium ([Ca2+]i) regulates sperm motility. The analysis of [Ca2+]i has been traditionally achieved in two dimensions while the real movement of the cell takes place in three spatial dimensions. Due to optical limitations (high speed cell movement and low light emission) important data concerning the three dimensional movement of these flagellated cells had been neglected. Visualizing [Ca2+]i in 3D is not a simple matter since it requires complex fluorescence microscopy techniques where the resulting images have very low intensity and consequently low SNR (Signal to Noise Ratio). In 4D sequences, this problem is magnified since the flagellum oscillates (for human sperm) at least at an average frequency of 15 Hz. In this paper, a novel approach to extract the flagellum’s center-line in 4D stacks is presented. For this purpose, an iterative algorithm based on the fast-marching method is proposed to extract the flagellum’s center-line. Quantitative and qualitative results are presented in a 4D stack to demonstrate the ability of the proposed algorithm to trace the flagellum’s center-line. The method reached a precision and recall of 0.96 as compared with a semi-manual method. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flagellum" title="flagellum">flagellum</a>, <a href="https://publications.waset.org/abstracts/search?q=minimal%20path" title=" minimal path"> minimal path</a>, <a href="https://publications.waset.org/abstracts/search?q=segmentation" title=" segmentation"> segmentation</a>, <a href="https://publications.waset.org/abstracts/search?q=sperm" title=" sperm"> sperm</a> </p> <a href="https://publications.waset.org/abstracts/55433/sperm-flagellum-center-line-tracing-in-4d-stacks-using-an-iterative-minimal-path-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/55433.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">283</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> Experimental Chip/Tool Temperature FEM Model Calibration by Infrared Thermography: A Case Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Riccardo%20Angiuli">Riccardo Angiuli</a>, <a href="https://publications.waset.org/abstracts/search?q=Michele%20Giannuzzi"> Michele Giannuzzi</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodolfo%20Franchi"> Rodolfo Franchi</a>, <a href="https://publications.waset.org/abstracts/search?q=Gabriele%20Papadia"> Gabriele Papadia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Temperature knowledge in machining is fundamental to improve the numerical and FEM models used for the study of some critical process aspects, such as the behavior of the worked material and tool. The extreme conditions in which they operate make it impossible to use traditional measuring instruments; infrared thermography can be used as a valid measuring instrument for temperature measurement during metal cutting. In the study, a large experimental program on superduplex steel (ASTM A995 gr. 5A) cutting was carried out, the relevant cutting temperatures were measured by infrared thermography when certain cutting parameters changed, from traditional values to extreme ones. The values identified were used to calibrate a FEM model for the prediction of residual life of the tools. During the study, the problems related to the detection of cutting temperatures by infrared thermography were analyzed, and a dedicated procedure was developed that could be used during similar processing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=machining" title="machining">machining</a>, <a href="https://publications.waset.org/abstracts/search?q=infrared%20thermography" title=" infrared thermography"> infrared thermography</a>, <a href="https://publications.waset.org/abstracts/search?q=FEM" title=" FEM"> FEM</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature%20measurement" title=" temperature measurement"> temperature measurement</a> </p> <a href="https://publications.waset.org/abstracts/92363/experimental-chiptool-temperature-fem-model-calibration-by-infrared-thermography-a-case-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/92363.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">184</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> Acute Intraperitoneal Toxicity of Sesbania grandiflora (Katuray) Methanolic Flower Extract in Swiss Albino Mice </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Levylee%20Bautista">Levylee Bautista</a>, <a href="https://publications.waset.org/abstracts/search?q=Dawn%20Grace%20Santos"> Dawn Grace Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Aishwarya%20Veluchamy"> Aishwarya Veluchamy</a>, <a href="https://publications.waset.org/abstracts/search?q=Jesusa%20Santos"> Jesusa Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Ghafoor%20Haque"> Ghafoor Haque</a>, <a href="https://publications.waset.org/abstracts/search?q=Jr.%20I"> Jr. I</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodolfo%20Rafael"> Rodolfo Rafael</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sesbania grandiflora is widely used in traditional medicine to treat a wide range of ailments. Assessment of its toxic properties is hence crucial when considering public health protection because exposure to plant extracts may pose adverse effects on consumers. This study aimed to investigate the acute intraperitoneal toxicity of S. grandiflora flower methanolic extract (SGFME) in Swiss albino mice. Four different concentrations (11.25, 22.5, 40, and 90 mg/kg) of SGFME were administered intraperitoneally and immediate behavioral and clinical signs were observed. All concentrations of SGFME-treated mice exhibited gasping and faster respiratory rate, writhing, reddening and fanning of the ears, paralysis of the hind leg, and mortality. Such reactions may be attributed to the histamine and saponin content of S. grandiflora. Results of this study suggests that intraperitoneal administration of SGFME produced significant adverse effect in mice, therefore, caution should be exercised in using it as herbal remedy since there is little control over its quality. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acute%20toxicity%20test" title="acute toxicity test">acute toxicity test</a>, <a href="https://publications.waset.org/abstracts/search?q=histamine" title=" histamine"> histamine</a>, <a href="https://publications.waset.org/abstracts/search?q=medicinal%20plants" title=" medicinal plants"> medicinal plants</a>, <a href="https://publications.waset.org/abstracts/search?q=Sesbania%20grandiflora" title=" Sesbania grandiflora"> Sesbania grandiflora</a> </p> <a href="https://publications.waset.org/abstracts/128585/acute-intraperitoneal-toxicity-of-sesbania-grandiflora-katuray-methanolic-flower-extract-in-swiss-albino-mice" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/128585.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">168</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> Carbohydrate Intake Estimation in Type I Diabetic Patients Described by UVA/Padova Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=David%20A.%20Padilla">David A. Padilla</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodolfo%20Villamizar"> Rodolfo Villamizar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In recent years, closed loop control strategies have been developed in order to establish a healthy glucose profile in type 1 diabetic mellitus (T1DM) patients. However, the controller itself is unable to define a suitable reference trajectory for glucose. In this paper, a control strategy Is proposed where the shape of the reference trajectory is generated bases in the amount of carbohydrates present during the digestive process, due to the effect of carbohydrate intake. Since there no exists a sensor to measure the amount of carbohydrates consumed, an estimator is proposed. Thus this paper presents the entire process of designing a carbohydrate estimator, which allows estimate disturbance for a predictive controller (MPC) in a T1MD patient, the estimation will be used to establish a profile of reference and improve the response of the controller by providing the estimated information of ingested carbohydrates. The dynamics of the diabetic model used are due to the equations described by the UVA/Padova model of the T1DMS simulator, the system was developed and simulated in Simulink, taking into account the noise and limitations of the glucose control system actuators. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=estimation" title="estimation">estimation</a>, <a href="https://publications.waset.org/abstracts/search?q=glucose%20control" title=" glucose control"> glucose control</a>, <a href="https://publications.waset.org/abstracts/search?q=predictive%20controller" title=" predictive controller"> predictive controller</a>, <a href="https://publications.waset.org/abstracts/search?q=MPC" title=" MPC"> MPC</a>, <a href="https://publications.waset.org/abstracts/search?q=UVA%2FPadova" title=" UVA/Padova"> UVA/Padova</a> </p> <a href="https://publications.waset.org/abstracts/115938/carbohydrate-intake-estimation-in-type-i-diabetic-patients-described-by-uvapadova-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/115938.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">261</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> Data Science-Based Key Factor Analysis and Risk Prediction of Diabetic</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fei%20Gao">Fei Gao</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodolfo%20C.%20Raga%20Jr."> Rodolfo C. Raga Jr.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research proposal will ascertain the major risk factors for diabetes and to design a predictive model for risk assessment. The project aims to improve diabetes early detection and management by utilizing data science techniques, which may improve patient outcomes and healthcare efficiency. The phase relation values of each attribute were used to analyze and choose the attributes that might influence the examiner's survival probability using Diabetes Health Indicators Dataset from Kaggle’s data as the research data. We compare and evaluate eight machine learning algorithms. Our investigation begins with comprehensive data preprocessing, including feature engineering and dimensionality reduction, aimed at enhancing data quality. The dataset, comprising health indicators and medical data, serves as a foundation for training and testing these algorithms. A rigorous cross-validation process is applied, and we assess their performance using five key metrics like accuracy, precision, recall, F1-score, and area under the receiver operating characteristic curve (AUC-ROC). After analyzing the data characteristics, investigate their impact on the likelihood of diabetes and develop corresponding risk indicators. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=diabetes" title="diabetes">diabetes</a>, <a href="https://publications.waset.org/abstracts/search?q=risk%20factors" title=" risk factors"> risk factors</a>, <a href="https://publications.waset.org/abstracts/search?q=predictive%20model" title=" predictive model"> predictive model</a>, <a href="https://publications.waset.org/abstracts/search?q=risk%20assessment" title=" risk assessment"> risk assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20science%20techniques" title=" data science techniques"> data science techniques</a>, <a href="https://publications.waset.org/abstracts/search?q=early%20detection" title=" early detection"> early detection</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20analysis" title=" data analysis"> data analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=Kaggle" title=" Kaggle"> Kaggle</a> </p> <a href="https://publications.waset.org/abstracts/176801/data-science-based-key-factor-analysis-and-risk-prediction-of-diabetic" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/176801.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">75</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> Impact of Diet and COVID-19 Policies on Osteopenia in a Hispanic White Adolescent Girl</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maria%20Angelica%20Trak-Fellermeier">Maria Angelica Trak-Fellermeier</a>, <a href="https://publications.waset.org/abstracts/search?q=Alison%20K.%20Macchi"> Alison K. Macchi</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodolfo%20Galvan"> Rodolfo Galvan</a>, <a href="https://publications.waset.org/abstracts/search?q=Yolangel%20Hernandez"> Yolangel Hernandez</a>, <a href="https://publications.waset.org/abstracts/search?q=Thresia%20Gambon"> Thresia Gambon</a>, <a href="https://publications.waset.org/abstracts/search?q=Rebeca%20Martinez"> Rebeca Martinez</a>, <a href="https://publications.waset.org/abstracts/search?q=Cristina%20Palacios"> Cristina Palacios</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Poor lifestyle habits, vitamin D deficiency, and inadequate calcium intake, particularly during the COVID-19 pandemic, may contribute to severe osteopenia in childhood, increasing future fractures and osteoporosis risk. We here present a case of osteopenia in a 13-year-old white, Hispanic, premenarchal girl who completed the baseline visit of the MetA-Bone Trial during the COVID-19 pandemic. The premenarchal girl has a family history of osteoporosis (maternal grandfather) but no previous fractures; moderate outdoor activity was <1 hour/day 3 times/week with 8 hours/day of sleep. Consumption of dairy products and vegetables was <1 serving/day. Lab blood tests confirmed vitamin D deficiency (serum 25(OH)D: 9 ng/L) and hyperphosphatemia (5.2 mg/dL); other tests were normal. DXA scan Z‐score was ‐2.2 SD (indicative of osteopenia by age and sex). The premenarchal girl was referred to a pediatrician, who confirmed the results, and prescribed a daily supplement with 2000 IU of vitamin D and 1000 mg of calcium. Seclusion during the COVID-19 pandemic may have contributed to the severity of the findings. Therefore, we recommend screening children undergoing growth spurts for vitamin D, calcium, and poor lifestyle habits during and after the pandemic. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bone%20mass" title="bone mass">bone mass</a>, <a href="https://publications.waset.org/abstracts/search?q=vitamin%20D" title=" vitamin D"> vitamin D</a>, <a href="https://publications.waset.org/abstracts/search?q=puberty" title=" puberty"> puberty</a>, <a href="https://publications.waset.org/abstracts/search?q=Hispanic" title=" Hispanic"> Hispanic</a> </p> <a href="https://publications.waset.org/abstracts/151196/impact-of-diet-and-covid-19-policies-on-osteopenia-in-a-hispanic-white-adolescent-girl" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/151196.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">133</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> Extraction of Phycocyanin from Spirulina platensis by Isoelectric Point Precipitation and Salting Out for Scale Up Processes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Velasco-Rend%C3%B3n%20Mar%C3%ADa%20Del%20Carmen">Velasco-Rendón María Del Carmen</a>, <a href="https://publications.waset.org/abstracts/search?q=Cu%C3%A9llar-Berm%C3%BAdez%20Sara%20Paulina"> Cuéllar-Bermúdez Sara Paulina</a>, <a href="https://publications.waset.org/abstracts/search?q=Parra-Sald%C3%ADvar%20Roberto"> Parra-Saldívar Roberto</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Phycocyanin is a blue pigment protein with fluorescent activity produced by cyanobacteria. It has been recently studied to determine its anticancer, antioxidant and antiinflamatory potential. Since 2014 it was approved as a Generally Recognized As Safe (GRAS) proteic pigment for the food industry. Therefore, phycocyanin shows potential for the food, nutraceutical, pharmaceutical and diagnostics industry. Conventional phycocyanin extraction includes buffer solutions and ammonium sulphate followed by chromatography or ATPS for protein separation. Therefore, further purification steps are time-requiring, energy intensive and not suitable for scale-up processing. This work presents an alternative to conventional methods that also allows large scale application with commercially available equipment. The extraction was performed by exposing the dry biomass to mechanical cavitation and salting out with NaCl to use an edible reagent. Also, isoelectric point precipitation was used by addition of HCl and neutralization with NaOH. The results were measured and compared in phycocyanin concentration, purity and extraction yield. Results showed that the best extraction condition was the extraction by salting out with 0.20 M NaCl after 30 minutes cavitation, with a concentration in the supernatant of 2.22 mg/ml, a purity of 3.28 and recovery from crude extract of 81.27%. Mechanical cavitation presumably increased the solvent-biomass contact, making the crude extract visibly dark blue after centrifugation. Compared to other systems, our process has less purification steps, similar concentrations in the phycocyanin-rich fraction and higher purity. The contaminants present in our process edible NaCl or low pHs that can be neutralized. It also can be adapted to a semi-continuous process with commercially available equipment. This characteristics make this process an appealing alternative for phycocyanin extraction as a pigment for the food industry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=extraction" title="extraction">extraction</a>, <a href="https://publications.waset.org/abstracts/search?q=phycocyanin" title=" phycocyanin"> phycocyanin</a>, <a href="https://publications.waset.org/abstracts/search?q=precipitation" title=" precipitation"> precipitation</a>, <a href="https://publications.waset.org/abstracts/search?q=scale-up" title=" scale-up"> scale-up</a> </p> <a href="https://publications.waset.org/abstracts/27087/extraction-of-phycocyanin-from-spirulina-platensis-by-isoelectric-point-precipitation-and-salting-out-for-scale-up-processes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27087.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">438</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> A Cross-Disciplinary Educational Model in Biomanufacturing to Sustain a Competitive Workforce Ecosystem</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rosa%20Buxeda">Rosa Buxeda</a>, <a href="https://publications.waset.org/abstracts/search?q=Lorenzo%20Saliceti-Piazza"> Lorenzo Saliceti-Piazza</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodolfo%20J.%20Roma%C3%B1ach"> Rodolfo J. Romañach</a>, <a href="https://publications.waset.org/abstracts/search?q=Luis%20R%C3%ADos"> Luis Ríos</a>, <a href="https://publications.waset.org/abstracts/search?q=Sandra%20L.%20Maldonado-Ram%C3%ADrez"> Sandra L. Maldonado-Ramírez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Biopharmaceuticals manufacturing is one of the major economic activities worldwide. Ninety-three percent of the workforce in a biomanufacturing environment concentrates in production-related areas. As a result, strategic collaborations between industry and academia are crucial to ensure the availability of knowledgeable workforce needed in an economic region to become competitive in biomanufacturing. In the past decade, our institution has been a key strategic partner with multinational biotechnology companies in supplying science and engineering graduates in the field of industrial biotechnology. Initiatives addressing all levels of the educational pipeline, from K-12 to college to continued education for company employees have been established along a ten-year span. The Amgen BioTalents Program was designed to provide undergraduate science and engineering students with training in biomanufacturing. The areas targeted by this educational program enhance their academic development, since these topics are not part of their traditional science and engineering curricula. The educational curriculum involved the process of producing a biomolecule from the genetic engineering of cells to the production of an especially targeted polypeptide, protein expression and purification, to quality control, and validation. This paper will report and describe the implementation details and outcomes of the first sessions of the program. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biomanufacturing%20curriculum" title="biomanufacturing curriculum">biomanufacturing curriculum</a>, <a href="https://publications.waset.org/abstracts/search?q=interdisciplinary%20learning" title=" interdisciplinary learning"> interdisciplinary learning</a>, <a href="https://publications.waset.org/abstracts/search?q=workforce%20development" title=" workforce development"> workforce development</a>, <a href="https://publications.waset.org/abstracts/search?q=industry-academia%20partnering" title=" industry-academia partnering"> industry-academia partnering</a> </p> <a href="https://publications.waset.org/abstracts/6525/a-cross-disciplinary-educational-model-in-biomanufacturing-to-sustain-a-competitive-workforce-ecosystem" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6525.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">291</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> Performance Assessment of Multi-Level Ensemble for Multi-Class Problems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rodolfo%20Lorbieski">Rodolfo Lorbieski</a>, <a href="https://publications.waset.org/abstracts/search?q=Silvia%20Modesto%20Nassar"> Silvia Modesto Nassar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Many supervised machine learning tasks require decision making across numerous different classes. Multi-class classification has several applications, such as face recognition, text recognition and medical diagnostics. The objective of this article is to analyze an adapted method of Stacking in multi-class problems, which combines ensembles within the ensemble itself. For this purpose, a training similar to Stacking was used, but with three levels, where the final decision-maker (level 2) performs its training by combining outputs from the tree-based pair of meta-classifiers (level 1) from Bayesian families. These are in turn trained by pairs of base classifiers (level 0) of the same family. This strategy seeks to promote diversity among the ensembles forming the meta-classifier level 2. Three performance measures were used: (1) accuracy, (2) area under the ROC curve, and (3) time for three factors: (a) datasets, (b) experiments and (c) levels. To compare the factors, ANOVA three-way test was executed for each performance measure, considering 5 datasets by 25 experiments by 3 levels. A triple interaction between factors was observed only in time. The accuracy and area under the ROC curve presented similar results, showing a double interaction between level and experiment, as well as for the dataset factor. It was concluded that level 2 had an average performance above the other levels and that the proposed method is especially efficient for multi-class problems when compared to binary problems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=stacking" title="stacking">stacking</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-layers" title=" multi-layers"> multi-layers</a>, <a href="https://publications.waset.org/abstracts/search?q=ensemble" title=" ensemble"> ensemble</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-class" title=" multi-class"> multi-class</a> </p> <a href="https://publications.waset.org/abstracts/77466/performance-assessment-of-multi-level-ensemble-for-multi-class-problems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77466.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">269</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> Disability Policy and Leaders in México</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jennifer%20Isabelle%20Rios%20Rend%C3%B3n">Jennifer Isabelle Rios Rendón</a>, <a href="https://publications.waset.org/abstracts/search?q=Ursula%20Sanchez"> Ursula Sanchez</a>, <a href="https://publications.waset.org/abstracts/search?q=Dana%20Lee%20Baker"> Dana Lee Baker</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Disability Policy in México has witnessed numerous changed throughout the years. Physical disabilities are more often recognized in Mexican culture. However, with an emerging focus on neurological disabilities or differences in individuals’ new policies are needed to serve better and understand the needs of these populations. The need to understand and communicate with local leaders is imperative, as the lens used to analyze autism has historically been from a Western school of thought. We are looking to comprehend the disability policy subsystem in México - specifically how autism is perceived, the language used to describe it, and how it ties to the cultural stigma of disabilities that exist in México. Therefore, to understand this, we seek to interview multiple policy leaders on their experience in autism and disability policy. The goal is to conduct qualitative research through interviews with local autism and disability leaders in México. This methodology aims to answer the questions of what language commonly and culturally is utilized in disability policy, the context of how autism is perceived in México, and in general, the lived experience of the disability policy leaders that take part in this effort in México. Local activists and policy leaders were initially found through an online search then collected using snowball sampling. The interviews were conducted through a series of pre-formulated questions that the policy leader answered via email or a phone conversation with the researchers. Acknowledging the importance of language and accessibility, the need for the content to be in both English and Spanish as well as auditory and visual is essential to take steps in the inclusion of a Neurodiverse group of leaders. This work is a demonstration of the framework of the investigation which hopes to create a more complete understanding of the policy and political culture around autism in México. Results of the project include new insight into the developing relationship between the President Andrés Manuel López Obrador’s administration, disability activists, and neurodiverse communities. The project contributes to denormalizing the legacy of white supremacy in autism related, historically rooted in the assumption that autism occurs predominantly in white communities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=autism" title="autism">autism</a>, <a href="https://publications.waset.org/abstracts/search?q=disability%20leaders" title=" disability leaders"> disability leaders</a>, <a href="https://publications.waset.org/abstracts/search?q=disability%20policy" title=" disability policy"> disability policy</a>, <a href="https://publications.waset.org/abstracts/search?q=M%C3%A9xico" title=" México"> México</a>, <a href="https://publications.waset.org/abstracts/search?q=Neurodiversity" title=" Neurodiversity"> Neurodiversity</a> </p> <a href="https://publications.waset.org/abstracts/128146/disability-policy-and-leaders-in-mexico" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/128146.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">137</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">15</span> Approaching In vivo Dosimetry for Kilovoltage X-Ray Radiotherapy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rodolfo%20Alfonso">Rodolfo Alfonso</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20Alonso"> David Alonso</a>, <a href="https://publications.waset.org/abstracts/search?q=Albin%20Garcia"> Albin Garcia</a>, <a href="https://publications.waset.org/abstracts/search?q=Jose%20Luis%20Alonso"> Jose Luis Alonso</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Recently a new kilovoltage radiotherapy unit model Xstrahl 200 - donated to the INOR´s Department of Radiotherapy (DR-INOR) in the framework of a IAEA's technical cooperation project- has been commissioned. This unit is able to treat shallow and low deep laying lesions, as it provides 8 discrete beam qualities, from 40 to 200 kV. As part of the patient-specific quality assurance program established at DR-INOR for external beam radiotherapy, it has been recommended to implement in vivo dose measurements (IVD), as they allow effectively discovering eventual errors or failures in the radiotherapy process. For that purpose a radio-photoluminescence (RPL) dosimetry system, model XXX, -also donated to DR-INOR by the same IAEA project- has been studied and commissioned. Main dosimetric parameters of the RPL system, such as reproducibility, linearity, and filed size influence were assessed. In a similar way, the response of radiochromic EBT3 type film was investigated for purposes of IVD. Both systems were calibrated in terms of entrance surface dose. Results of the dosimetric commissioning of RPL and EBT3 for IVD, and their pre-clinical implementation through end-to-end test cases are presented. The RPL dosimetry seems more recommendable for hyper-fractionated schemes with larger fields and curved patient contours, as those in chest wall irradiations, where the use of more than one dosimeter could be required. The radiochromic system involves smaller corrections with field size, but it sensibility is lower; hence it is more adequate for hypo-fractionated treatments with smaller fields. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=glass%20dosimetry" title="glass dosimetry">glass dosimetry</a>, <a href="https://publications.waset.org/abstracts/search?q=in%20vivo%20dosimetry" title=" in vivo dosimetry"> in vivo dosimetry</a>, <a href="https://publications.waset.org/abstracts/search?q=kilovotage%20radiotherapy" title=" kilovotage radiotherapy"> kilovotage radiotherapy</a>, <a href="https://publications.waset.org/abstracts/search?q=radiochromic%20dosimetry" title=" radiochromic dosimetry"> radiochromic dosimetry</a> </p> <a href="https://publications.waset.org/abstracts/55082/approaching-in-vivo-dosimetry-for-kilovoltage-x-ray-radiotherapy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/55082.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">398</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> Adaptation Nature-Based Solutions: CBA of Woodlands for Flood Risk Management in the Aire Catchment, UK</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Olivia%20R.%20Rendon">Olivia R. Rendon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> More than half of the world population lives in cities, in the UK, for example, 82% of the population was urban by 2013. Cities concentrate valuable and numerous infrastructure and sectors of the national economies. Cities are particularly vulnerable to climate change which will lead to higher damage costs in the future. There is thus a need to develop and invest in adaptation measures for cities to reduce the impact of flooding and other extreme weather events. Recent flood episodes present a significant and growing challenge to the UK and the estimated cost of urban flood damage is 270 million a year for England and Wales. This study aims to carry out cost-benefit analysis (CBA) of a nature-based approach for flood risk management in cities, focusing on the city of Leeds and the wider Aire catchment as a case study. Leeds was chosen as a case study due to its being one of the most flood vulnerable cities in the UK. In Leeds, over 4,500 properties are currently vulnerable to flooding and approximately £450 million of direct damage is estimated for a potential major flood from the River Aire. Leeds is also the second largest Metropolitan District in England with a projected population of 770,000 for 2014. So far the city council has mainly focused its flood risk management efforts on hard infrastructure solutions for the city centre. However, the wider Leeds district is at significant flood risk which could benefit from greener adaptation measures. This study presents estimates of a nature-based adaptation approach for flood risk management in Leeds. This land use management estimate is based on generating costings utilising primary and secondary data. This research contributes findings on the costs of different adaptation measures to flood risk management in a UK city, including the trade-offs and challenges of utilising nature-based solutions. Results also explore the potential implementation of the adaptation measures in the case study and the challenges of data collection and analysis for adaptation in flood risk management. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=green%20infrastructure" title="green infrastructure">green infrastructure</a>, <a href="https://publications.waset.org/abstracts/search?q=ecosystem%20services" title=" ecosystem services"> ecosystem services</a>, <a href="https://publications.waset.org/abstracts/search?q=woodland" title=" woodland"> woodland</a>, <a href="https://publications.waset.org/abstracts/search?q=adaptation" title=" adaptation"> adaptation</a>, <a href="https://publications.waset.org/abstracts/search?q=flood%20risk" title=" flood risk"> flood risk</a> </p> <a href="https://publications.waset.org/abstracts/40155/adaptation-nature-based-solutions-cba-of-woodlands-for-flood-risk-management-in-the-aire-catchment-uk" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40155.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">286</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> Engineering Ligand-Free Biodegradable-Based Nanoparticles for Cell Attachment and Growth</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Simone%20F.%20Medeiros">Simone F. Medeiros</a>, <a href="https://publications.waset.org/abstracts/search?q=Isabela%20F.%20Santos"> Isabela F. Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodolfo%20M.%20Moraes"> Rodolfo M. Moraes</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaspreet%20K.%20Kular"> Jaspreet K. Kular</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcus%20A.%20Johns"> Marcus A. Johns</a>, <a href="https://publications.waset.org/abstracts/search?q=Ram%20Sharma"> Ram Sharma</a>, <a href="https://publications.waset.org/abstracts/search?q=Amilton%20M.%20Santos"> Amilton M. Santos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tissue engineering aims to develop alternatives to treat damaged tissues by promoting their regeneration. Its basic principle is to place cells on a scaffold capable of promoting cell functions, and for this purpose, polymeric nanoparticles have been successfully used due to the ability of some macro chains to mimic the extracellular matrix and influence cell functions. In general, nanoparticles require surface chemical modification to achieve cell adhesion, and recent advances in their synthesis include methods for modifying the ligand density and distribution onto nanoparticles surface. However, this work reports the development of biodegradable polymeric nanoparticles capable of promoting cellular adhesion without any surface chemical modification by ligands. Biocompatible and biodegradable nanoparticles based on poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBHV) were synthesized by solvent evaporation method. The produced nanoparticles were small in size (85 and 125 nm) and colloidally stable against time in aqueous solution. Morphology evaluation showed their spherical shape with small polydispersity. Human osteoblast-like cells (MG63) were cultured in the presence of PHBHV nanoparticles, and growth kinetics were compared to those grown on tissue culture polystyrene (TCPS). Cell attachment on non-tissue culture polystyrene (non-TCPS) pre-coated with nanoparticles was assessed and compared to attachment on TCPS. These findings reveal the potential of PHBHV nanoparticles for cell adhesion and growth, without requiring a matrix ligand to support cells, to be used as scaffolds, in tissue engineering applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tissue%20engineering" title="tissue engineering">tissue engineering</a>, <a href="https://publications.waset.org/abstracts/search?q=PHBHV" title=" PHBHV"> PHBHV</a>, <a href="https://publications.waset.org/abstracts/search?q=stem%20cells" title=" stem cells"> stem cells</a>, <a href="https://publications.waset.org/abstracts/search?q=cellular%20attachment" title=" cellular attachment"> cellular attachment</a> </p> <a href="https://publications.waset.org/abstracts/81789/engineering-ligand-free-biodegradable-based-nanoparticles-for-cell-attachment-and-growth" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81789.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">210</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> In vivo Genotoxicity Testing of Sesbania Grandiflora (Katuray) Flower Methanolic Extract </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Levylee%20Bautista">Levylee Bautista</a>, <a href="https://publications.waset.org/abstracts/search?q=Dawn%20Grace%20Santos"> Dawn Grace Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Aishwarya%20Veluchamy"> Aishwarya Veluchamy</a>, <a href="https://publications.waset.org/abstracts/search?q=Jesusa%20Santos"> Jesusa Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Ghafoor"> Ghafoor</a>, <a href="https://publications.waset.org/abstracts/search?q=Jr.%20I%20Haque"> Jr. I Haque</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodolfo%20Rafael"> Rodolfo Rafael</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The booming interest in using natural compounds as an alternative to conventional medications has paved way to focus the attention on plants that provide rich sources of bioactive phytochemicals. For regulatory purposes, evaluation of the genotoxic effects of such alternatives is therefore empirical as part of the plant’s hazard assessment. Sesbania grandiflora is among the plants used as a traditional remedy in folk medicine and a subject of research for its medicinal benefits. This study aimed to evaluate the genotoxic potential induced by S. grandiflora flower methanol extract (SGFME) in terms of the frequency of micronucleus (MN) in polychromatic erythrocyte (PCE) (MNPCE) and PCE ratio employing the micronucleus assay. The frequency of MN was examined in bone marrow cells (BMCs) obtained from male Swiss albino mice exposed in vivo to four different concentrations (11.25, 22.5, 40, and 90 mg/kg) of SGFME and MMC (70 mg/kg; positive control) and sacrificed 24 hours post-intraperitoneal injection. Results showed a significant (p < 0.01) rate of MNPCEs for 11.25 and 22.5 tested concentrations of SGFME and is comparable with the MMC-treated mice. Although PCE ratio values in all doses of SGFME-treated mice were over 0.20, it is worth noting that 40 and 90 tested concentrations of SGFME-treated mice exhibited the lowest value, i.e., 0.22 and 0.28, respectively. The present study has demonstrated that S. grandiflora possesses genotoxic potential for murine BMCs. Such activity could be ascribed from the bioactive compounds present in S. grandiflora that require further isolation and characterization of the active molecules. Likewise, findings of this study warrant a caution of the use of S. grandiflora insomuch as further investigations do not demonstrate their safety. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=genotoxicity" title="genotoxicity">genotoxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=micronucleus" title=" micronucleus"> micronucleus</a>, <a href="https://publications.waset.org/abstracts/search?q=phytochemicals" title=" phytochemicals"> phytochemicals</a>, <a href="https://publications.waset.org/abstracts/search?q=Sesbania%20grandiflora" title=" Sesbania grandiflora"> Sesbania grandiflora</a> </p> <a href="https://publications.waset.org/abstracts/128583/in-vivo-genotoxicity-testing-of-sesbania-grandiflora-katuray-flower-methanolic-extract" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/128583.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">140</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> Walking across the Government of Egypt: A Single Country Comparative Study of the Past and Current Condition of the Government of Egypt</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Homyr%20L.%20Garcia">Homyr L. Garcia</a>, <a href="https://publications.waset.org/abstracts/search?q=Jr."> Jr.</a>, <a href="https://publications.waset.org/abstracts/search?q=Anne%20Margaret%20A.%20Rendon"> Anne Margaret A. Rendon</a>, <a href="https://publications.waset.org/abstracts/search?q=Carla%20Michaela%20B.%20Taguinod"> Carla Michaela B. Taguinod</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nothing is constant in this world but change. This is the reality wherein a lot of people fail to recognize and maybe, it is because of the fact that some see things that are happening with little value or no value at all until it’s gone. For the past years, Egypt was known for its stable government. It was able to withstand a lot of problems and crisis which challenged their country in ways which can never be imagined. In the present time, it seems like in just a snap of a finger, the said stability vanished and it was immediately replaced by a crisis which resulted to a failure in some parts of their government. In addition, this problem continued to worsen and the current situation of Egypt is just a reflection or a result of it. On the other hand, as the researchers continued to study the reasons why the government of Egypt is unstable, they concluded that there might be a possibility that they will be able to produce ways in which their country could be helped or improved. The instability of the government of Egypt is the product of combining all the problems which affects the lives of the people. Some of the reasons that the researchers found are the following: 1) unending doubts of the people regarding the ruling capacity of elected presidents, 2) removal of President Mohamed Morsi in position, 3) economic crisis, 4) a lot of protests and revolution happened, 5) resignation of the long term President Hosni Mubarak and 6) the office of the President is most likely available only to the chosen successor. Also, according to previous researches, there are two plausible scenarios for the instability of Egypt: 1) a military intervention specifically the Supreme Council of the Armed Forces or SCAF, resulting from a contested succession and 2) an Islamist push for political power which highlights the claim that religion is a hindrance towards the development of their country and government. From the eight possible reasons, the researchers decided that they will be focusing on economic crisis since the instability is more clearly seen in the country’s economy which directly affects the people and the government itself. In addition, they made a hypothesis which states that stable economy is a prerequisite towards a stable government. If they will be able to show how this claim is true by using the Social Autopsy Research Design for the qualitative method and Pearson’s correlation coefficient for the quantitative method, the researchers might be able to produce a proposal on how Egypt can stabilize their government and avoid such problems. Also, the hypothesis will be based from the Rational Action Theory which is a theory for understanding and modeling social and economy as well as individual behavior. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pearson%E2%80%99s%20correlation%20coefficient" title="Pearson’s correlation coefficient">Pearson’s correlation coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=rational%20action%20theory" title=" rational action theory"> rational action theory</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20autopsy%20research%20design" title=" social autopsy research design"> social autopsy research design</a>, <a href="https://publications.waset.org/abstracts/search?q=supreme%20council%20of%20the%20armed%20forces%20%28SCAF%29" title=" supreme council of the armed forces (SCAF)"> supreme council of the armed forces (SCAF)</a> </p> <a href="https://publications.waset.org/abstracts/37884/walking-across-the-government-of-egypt-a-single-country-comparative-study-of-the-past-and-current-condition-of-the-government-of-egypt" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37884.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">409</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> The Production of Reinforced Insulation Bricks out of the Concentration of Ganoderma lucidum Fungal Inoculums and Cement Paste</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jovie%20Esquivias%20Nicolas">Jovie Esquivias Nicolas</a>, <a href="https://publications.waset.org/abstracts/search?q=Ron%20Aldrin%20Lontoc%20Austria"> Ron Aldrin Lontoc Austria</a>, <a href="https://publications.waset.org/abstracts/search?q=Crisabelle%20Belleza%20Bautista"> Crisabelle Belleza Bautista</a>, <a href="https://publications.waset.org/abstracts/search?q=Mariane%20Chiho%20Espinosa%20Bundalian"> Mariane Chiho Espinosa Bundalian</a>, <a href="https://publications.waset.org/abstracts/search?q=Owwen%20Kervy%20Del%20Rosario%20Castillo"> Owwen Kervy Del Rosario Castillo</a>, <a href="https://publications.waset.org/abstracts/search?q=Mary%20Angelyn%20Mercado%20Dela%20Cruz"> Mary Angelyn Mercado Dela Cruz</a>, <a href="https://publications.waset.org/abstracts/search?q=Heinrich%20Theraja%20Recana%20De%20Luna"> Heinrich Theraja Recana De Luna</a>, <a href="https://publications.waset.org/abstracts/search?q=Chriscell%20Gipanao%20Eustaquio"> Chriscell Gipanao Eustaquio</a>, <a href="https://publications.waset.org/abstracts/search?q=Desiree%20Laine%20Lauz%20Gilbas"> Desiree Laine Lauz Gilbas</a>, <a href="https://publications.waset.org/abstracts/search?q=Jordan%20Ignacio%20Legaspi"> Jordan Ignacio Legaspi</a>, <a href="https://publications.waset.org/abstracts/search?q=Larah%20Denise%20David%20Madrid"> Larah Denise David Madrid</a>, <a href="https://publications.waset.org/abstracts/search?q=Charles%20Linelle%20Malapote%20Mendoza"> Charles Linelle Malapote Mendoza</a>, <a href="https://publications.waset.org/abstracts/search?q=Hazel%20Maxine%20Manalad%20Reyes"> Hazel Maxine Manalad Reyes</a>, <a href="https://publications.waset.org/abstracts/search?q=Carl%20Justine%20Nabora%20Saberdo"> Carl Justine Nabora Saberdo</a>, <a href="https://publications.waset.org/abstracts/search?q=Claire%20Mae%20Rendon%20Santos"> Claire Mae Rendon Santos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In response to the global race in discovering the next advanced sustainable material that will reduce our ecological footprint, the researchers aimed to create a masonry unit which is competent in physical edifices and other constructional facets. From different proven researches, mycelium has been concluded that when dried can be used as a robust and waterproof building material that can be grown into explicit forms, thus reducing the processing requirements. Hypothesizing inclusive measures to attest fungi’s impressive structural qualities and absorbency, the researchers projected to perform comparative analyses in creating mycelium bricks from mushroom spores of G. lucidum. Three treatments were intended to classify the most ideal concentration of clay and substrate fixings. The substrate bags fixed with 30% clay and 70% mixings indicated highest numerical frequencies in terms of full occupation of fungal mycelia. Subsequently, sorted parts of white portions from the treatment were settled in a thermoplastic mold and burnt. Three proportional concentrations of cultivated substrate and cement were also prioritized to gather results of variation focused on the weights of the bricks in the Water Absorption Test and Durability Test. Fungal inoculums with solutions of cement showed small to moderate amounts of decrease and increase in load. This proves that the treatments did not show any significant difference when it comes to strength, efficiency and absorption capacity. Each of the concentration is equally valid and could be used in supporting the worldwide demands of creating numerous bricks while also taking into consideration the recovery of our nature. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mycelium" title="mycelium">mycelium</a>, <a href="https://publications.waset.org/abstracts/search?q=fungi" title=" fungi"> fungi</a>, <a href="https://publications.waset.org/abstracts/search?q=fungal%20mycelia" title=" fungal mycelia"> fungal mycelia</a>, <a href="https://publications.waset.org/abstracts/search?q=durability%20test" title=" durability test"> durability test</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20absorption%20test" title=" water absorption test"> water absorption test</a> </p> <a href="https://publications.waset.org/abstracts/109275/the-production-of-reinforced-insulation-bricks-out-of-the-concentration-of-ganoderma-lucidum-fungal-inoculums-and-cement-paste" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/109275.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">135</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> LCA and LCC for the Evaluation of Sustainability of Rapeseed, Giant Reed, and Poplar Cultivation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alessandro%20Suardi">Alessandro Suardi</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodolfo%20Picchio"> Rodolfo Picchio</a>, <a href="https://publications.waset.org/abstracts/search?q=Domenico%20Coaloa"> Domenico Coaloa</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Bonaventura%20Forleo"> Maria Bonaventura Forleo</a>, <a href="https://publications.waset.org/abstracts/search?q=Nadia%20Palmieri"> Nadia Palmieri</a>, <a href="https://publications.waset.org/abstracts/search?q=Luigi%20Pari"> Luigi Pari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The reconversion process of the Italian sugar supply chain to bio-energy supply chains, as a result of the 2006 Sugar CMO reform, have involved research to define the best logistics, the most adapted energy crops for the Italian territory and their sustainability. Rapeseed (Brassica napus L.), Giant reed (Arundo donax L.) and Poplar (Poplar ssp.) are energy crops considered strategic for the development of Italian energy supply-chains. This study analyzed the environmental and the economic impacts on the farm level of these three energy crops. The environmental assessment included six farming units, two per crop, which were extracted from a sample of 251 rapeseed farm units (2751 ha), 7 giant reed farm units (7.8 ha), and 91 poplar farm units (440 ha) using a statistical multivariate analysis. Life Cycle Assessment (LCA) research method has been used to evaluate and compare the sustainability of the agricultural phases of the crops studied. The impact analyses have been performed at mid-point and end-point levels. The results of the analysis shown that the fertilization, is the major source of environmental impact of the agricultural phase due to the production of the fertilizers and the soil emissions of GHG following the treatment. The perennial energy crops studied (Arundo donax L., Poplar ssp.) were environmentally more sustainable if compared with the annual crop (Brassica napus L.) for all the impact categories at mid-point and end-point levels analyzed. The most relevant impact category influenced by the agricultural process result the fossil depletion, mainly due to the fossil fuels consumed during the mineral fertilizers production (urea). Human health was the most affected damage category at the end point level. Poplar result the energy crop with the best environmental performance for the Italian territory, in the distribution areas most suitable for its cultivation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=LCA" title="LCA">LCA</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20crops" title=" energy crops"> energy crops</a>, <a href="https://publications.waset.org/abstracts/search?q=rapeseed" title=" rapeseed"> rapeseed</a>, <a href="https://publications.waset.org/abstracts/search?q=giant%20reed" title=" giant reed"> giant reed</a>, <a href="https://publications.waset.org/abstracts/search?q=poplar" title=" poplar"> poplar</a> </p> <a href="https://publications.waset.org/abstracts/11307/lca-and-lcc-for-the-evaluation-of-sustainability-of-rapeseed-giant-reed-and-poplar-cultivation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11307.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">481</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> Synthesis of Belite Cements at Low Temperature from Silica Fume and Natural Commercial Zeolite</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tatiana%20L.%20Avalos-Rendon">Tatiana L. Avalos-Rendon</a>, <a href="https://publications.waset.org/abstracts/search?q=Elias%20A.%20Pasten%20Chelala"> Elias A. Pasten Chelala</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20J.%20Mendoza%20EScobedo"> Carlos J. Mendoza EScobedo</a>, <a href="https://publications.waset.org/abstracts/search?q=Ignacio%20A.%20Figueroa"> Ignacio A. Figueroa</a>, <a href="https://publications.waset.org/abstracts/search?q=Victor%20H.%20Lara"> Victor H. Lara</a>, <a href="https://publications.waset.org/abstracts/search?q=Luis%20M.%20Palacios-Romero"> Luis M. Palacios-Romero</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The cement industry is facing cost increments in energy supply, requirements for reduction of CO₂, and insufficient supply of raw materials of good quality. According to all these environmental issues, cement industry must change its consumption patterns and reduce CO₂ emissions to the atmosphere. This can be achieved by generating environmental consciousness, which encourages the use of industrial by-products and/or recycling for the production of cement, as well as alternate, environment-friendly methods of synthesis which reduce CO₂. Calcination is the conventional method for the obtainment of Portland cement clinker. This method consists of grinding and mixing of raw materials (limestone, clay, etc.) in an adequate dosage. Resulting mix has a clinkerization temperature of 1450 °C so that the formation of the main component occur: alite (Ca₃SiO₅, C₃S). Considering that the energy required to produce C₃S is 1810 kJ kg -1, calcination method for the obtainment of clinker represents two major disadvantages: long thermal treatment and elevated temperatures of synthesis, both of which cause high emissions of carbon dioxide (CO₂) to the atmosphere. Belite Portland clinker is characterized by having a low content of calcium oxide (CaO), causing the presence of alite to diminish and favoring the formation of belite (β-Ca₂SiO₄, C₂S), so production of clinker requires a reduced energy consumption (1350 kJ kg-1), releasing less CO₂ to the atmosphere. Conventionally, β-Ca₂SiO₄ is synthetized by the calcination of calcium carbonate (CaCO₃) and silicon dioxide (SiO₂) through the reaction in solid state at temperatures greater than 1300 °C. Resulting belite shows low hydraulic reactivity. Therefore, this study concerns a new simple modified combustion method for the synthesis of two belite cements at low temperatures (1000 °C). Silica fume, as subproduct of metallurgic industry and commercial natural zeolite were utilized as raw materials. These are considered low-cost materials and were utilized with no additional purification process. Belite cements properties were characterized by XRD, SEM, EDS and BET techniques. Hydration capacity of belite cements was calculated while the mechanical strength was determined in ordinary Portland cement specimens (PC) with a 10% partial replacement of the belite cements obtained. Results showed belite cements presented relatively high surface áreas, at early ages mechanical strengths similar to those of alite cement and comparable to strengths of belite cements obtained by different synthesis methods. Cements obtained in this work present good hydraulic reactivity properties. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=belite" title="belite">belite</a>, <a href="https://publications.waset.org/abstracts/search?q=silica%20fume" title=" silica fume"> silica fume</a>, <a href="https://publications.waset.org/abstracts/search?q=zeolite" title=" zeolite"> zeolite</a>, <a href="https://publications.waset.org/abstracts/search?q=hydraulic%20reactivity" title=" hydraulic reactivity"> hydraulic reactivity</a> </p> <a href="https://publications.waset.org/abstracts/64005/synthesis-of-belite-cements-at-low-temperature-from-silica-fume-and-natural-commercial-zeolite" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64005.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">7</span> Learning and Teaching Styles of Student Nurses</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jefferson%20S.%20Galanza">Jefferson S. Galanza</a>, <a href="https://publications.waset.org/abstracts/search?q=Jewel%20An%20Mischelle%20R.Camcam"> Jewel An Mischelle R.Camcam</a>, <a href="https://publications.waset.org/abstracts/search?q=Alyssa%20Karryl%20C.%20Co"> Alyssa Karryl C. Co</a>, <a href="https://publications.waset.org/abstracts/search?q=Stephanie%20P.%20De%20Guzman"> Stephanie P. De Guzman</a>, <a href="https://publications.waset.org/abstracts/search?q=Jet%20Jet%20K.%20Dongui-is"> Jet Jet K. Dongui-is</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodolfo%20Dane%20C.%20Frias"> Rodolfo Dane C. Frias</a>, <a href="https://publications.waset.org/abstracts/search?q=Ovelle%20C.%20Jueco"> Ovelle C. Jueco</a>, <a href="https://publications.waset.org/abstracts/search?q=Harvey%20L.%20Matbagan"> Harvey L. Matbagan</a>, <a href="https://publications.waset.org/abstracts/search?q=Victoria%20Luzette%20T.%20Rillon"> Victoria Luzette T. Rillon</a>, <a href="https://publications.waset.org/abstracts/search?q=Christelle%20Romyna%20H.%20Saruca"> Christelle Romyna H. Saruca</a>, <a href="https://publications.waset.org/abstracts/search?q=Jeanette%20Roma%20M.%20Villasper"> Jeanette Roma M. Villasper</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Amidst numerous studies conducted on learning styles of students from a variety of courses, levels and school, a recent study recommended a great need for research on learning styles of student nurses. Moreover, related literatures have not been found exploring both the learning and teaching style of student nurses. Aims: The study aimed to determine the learning and teaching styles of student nurses and if there is an association between them. It also intended to discover whether student nurses are unimodal or multimodal in their styles and identified which faculty teaching style affords maximum outcome for student’s learning styles. Methods: Quantitative Descriptive-Correlational design was used. Participants were randomly selected 312 student nurses at School of Nursing X, Baguio City, Philippines. The questionnaire utilized a modified version of an adopted tool from Fleming’s VARK learning style version 7.2 (Visual, Auditory, Reader/Writer, Kinaesthetic) and Grasha’s teaching styles (Formal Authority, Demonstrator, Facilitator, Delegator). SPSS 19 was used for statistical treatment of data, where Chi square was used for the correlation of unimodal learning and teaching styles. Results/Finding: Majority of student nurses’ learning style is Kinesthetic and their teaching style is Demonstrator, which was also found to be significantly associated. Moreover, 8 out of 10 students are Unimodal in their learning and teaching modalities. In general, their preferred faculty teaching style is similar to their teaching style, which supports the concept, that teachers teach the way they learn. Conclusion: Study concludes that student nurses’ learning styles and teaching styles are varied, which exemplifies the uniqueness of every learner.This diversity in styles provided more evidence that a variety of mode of teaching and learning should be used by faculty and students to increase learning outcome and academic achievement. Recommendation: Future studies could be carried out in various schools of nursing utilizing faculty as respondents. Conduct assessment of learning style at the onset of classes/clinical placements so that faculty will become aware of the diversity of learners leading them to deliver diverse teaching methods. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=learning" title="learning">learning</a>, <a href="https://publications.waset.org/abstracts/search?q=learning%20styles" title=" learning styles"> learning styles</a>, <a href="https://publications.waset.org/abstracts/search?q=teaching%20styles" title=" teaching styles"> teaching styles</a>, <a href="https://publications.waset.org/abstracts/search?q=student%20nurses" title=" student nurses"> student nurses</a> </p> <a href="https://publications.waset.org/abstracts/16189/learning-and-teaching-styles-of-student-nurses" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16189.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">535</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6</span> Pushover Analysis of a Typical Bridge Built in Central Zone of Mexico</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arturo%20Galvan">Arturo Galvan</a>, <a href="https://publications.waset.org/abstracts/search?q=Jatziri%20Y.%20Moreno-Martinez"> Jatziri Y. Moreno-Martinez</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Arroyo-Montoya"> Daniel Arroyo-Montoya</a>, <a href="https://publications.waset.org/abstracts/search?q=Jose%20M.%20Gutierrez-Villalobos"> Jose M. Gutierrez-Villalobos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bridges are one of the most seismically vulnerable structures on highway transportation systems. The general process for assessing the seismic vulnerability of a bridge involves the evaluation of its overall capacity and demand. One of the most common procedures to obtain this capacity is by means of pushover analysis of the structure. Typically, the bridge capacity is assessed using non-linear static methods or non-linear dynamic analyses. The non-linear dynamic approaches use step by step numerical solutions for assessing the capacity with the consuming computer time inconvenience. In this study, a nonlinear static analysis (‘pushover analysis’) was performed to predict the collapse mechanism of a typical bridge built in the central zone of Mexico (Celaya, Guanajuato). The bridge superstructure consists of three simple supported spans with a total length of 76 m: 22 m of the length of extreme spans and 32 m of length of the central span. The deck width is of 14 m and the concrete slab depth is of 18 cm. The bridge is built by means of frames of five piers with hollow box-shaped sections. The dimensions of these piers are 7.05 m height and 1.20 m diameter. The numerical model was created using a commercial software considering linear and non-linear elements. In all cases, the piers were represented by frame type elements with geometrical properties obtained from the structural project and construction drawings of the bridge. The deck was modeled with a mesh of rectangular thin shell (plate bending and stretching) finite elements. The moment-curvature analysis was performed for the sections of the piers of the bridge considering in each pier the effect of confined concrete and its reinforcing steel. In this way, plastic hinges were defined on the base of the piers to carry out the pushover analysis. In addition, time history analyses were performed using 19 accelerograms of real earthquakes that have been registered in Guanajuato. In this way, the displacements produced by the bridge were determined. Finally, pushover analysis was applied through the control of displacements in the piers to obtain the overall capacity of the bridge before the failure occurs. It was concluded that the lateral deformation of the piers due to a critical earthquake occurred in this zone is almost imperceptible due to the geometry and reinforcement demanded by the current design standards and compared to its displacement capacity, they were excessive. According to the analysis, it was found that the frames built with five piers increase the rigidity in the transverse direction of the bridge. Hence it is proposed to reduce these frames of five piers to three piers, maintaining the same geometrical characteristics and the same reinforcement in each pier. Also, the mechanical properties of materials (concrete and reinforcing steel) were maintained. Once a pushover analysis was performed considering this configuration, it was concluded that the bridge would continue having a “correct” seismic behavior, at least for the 19 accelerograms considered in this study. In this way, costs in material, construction, time and labor would be reduced in this study case. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=collapse%20mechanism" title="collapse mechanism">collapse mechanism</a>, <a href="https://publications.waset.org/abstracts/search?q=moment-curvature%20analysis" title=" moment-curvature analysis"> moment-curvature analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=overall%20capacity" title=" overall capacity"> overall capacity</a>, <a href="https://publications.waset.org/abstracts/search?q=push-over%20analysis" title=" push-over analysis"> push-over analysis</a> </p> <a href="https://publications.waset.org/abstracts/97602/pushover-analysis-of-a-typical-bridge-built-in-central-zone-of-mexico" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/97602.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">151</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">5</span> Synthesis and Characterization of Highly Oriented Bismuth Oxyiodide Thin Films for the Photocatalytical Degradation of Pharmaceuticals Compounds in Water</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Juan%20C.%20Duran-Alvarez">Juan C. Duran-Alvarez</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Mejia"> Daniel Mejia</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodolfo%20Zanella"> Rodolfo Zanella</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Heterogeneous photocatalysis is a promising method to achieve the complete degradation and mineralization of organic pollutants in water via their exhaustive oxidation. In order to take this advanced oxidation process towards sustainability, it is necessary to reduce the energy consumption, referred as the light sources and the post-treatment operations. For this, the synthesis of new nanostructures of low band gap semiconductors in the form of thin films is in continuous development. In this work, thin films of the low band gap semiconductor bismuth oxyiodide (BiOI) were synthesized via the Successive Ionic Layer Adsorption and Reaction (SILAR) method. For this, Bi(NO3)3 and KI solutions were prepared, and glass supports were immersed in each solution under strict rate and time immersion conditions. Synthesis was performed at room temperature and a washing step was set prior to each immersion. Thin films with an average thickness below 100 nm were obtained upon a cycle of 30 immersions, as determined by AFM and profilometry measurements. Cubic BiOI nanocrystals with average size of 17 nm and a high orientation to the 001 plane were observed by XRD. In order to optimize the synthesis method, several Bi/I ratios were tested, namely 1/1, 1/5, 1/10, 1/20 and 1/50. The highest crystallinity of the BiOI films was observed when the 1/5 ratio was used in the synthesis. Non-stoichiometric conditions also resulted in the highest uniformity of the thin layers. PVP was used as an additive to improve the adherence of the BiOI thin films to the support. The addition of 0.1 mg/mL of PVP during the washing step resulted in the highest adherence of the thin films. In photocatalysis tests, degradation rate of the antibiotic ciprofloxacin as high as 75% was achieved using visible light (380 to 700 nm) irradiation for 5 h in batch tests. Mineralization of the antibiotic was also observed, although in a lower extent; ~ 30% of the total organic carbon was removed upon 5 h of visible light irradiation. Some ciprofloxacin by-products were identified throughout the reaction; and some of these molecules displayed residual antibiotic activity. In conclusion, it is possible to obtain highly oriented BiOI thin films under ambient conditions via the SILAR method. Non-stoichiometric conditions using PVP additive are necessary to increase the crystallinity and adherence of the films, which are photocatalytically active to remove recalcitrant organic pollutants under visible light irradiation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bismuth%20oxyhalides" title="bismuth oxyhalides">bismuth oxyhalides</a>, <a href="https://publications.waset.org/abstracts/search?q=photocatalysis" title=" photocatalysis"> photocatalysis</a>, <a href="https://publications.waset.org/abstracts/search?q=thin%20films" title=" thin films"> thin films</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20treatment" title=" water treatment"> water treatment</a> </p> <a href="https://publications.waset.org/abstracts/88839/synthesis-and-characterization-of-highly-oriented-bismuth-oxyiodide-thin-films-for-the-photocatalytical-degradation-of-pharmaceuticals-compounds-in-water" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88839.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">120</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">4</span> A Clinical Cutoff to Identify Metabolically Unhealthy Obese and Normal-Weight Phenotype in Young Adults</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=L%C3%ADvia%20Pinheiro%20Carvalho">Lívia Pinheiro Carvalho</a>, <a href="https://publications.waset.org/abstracts/search?q=Luciana%20Di%20Thommazo-Luporini"> Luciana Di Thommazo-Luporini</a>, <a href="https://publications.waset.org/abstracts/search?q=Rafael%20Lu%C3%ADs%20Luporini"> Rafael Luís Luporini</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20Carlos%20Bonjorno%20Junior"> José Carlos Bonjorno Junior</a>, <a href="https://publications.waset.org/abstracts/search?q=Renata%20Pedrolongo%20Basso%20Vanelli"> Renata Pedrolongo Basso Vanelli</a>, <a href="https://publications.waset.org/abstracts/search?q=Manoel%20Carneiro%20de%20Oliveira%20Junior"> Manoel Carneiro de Oliveira Junior</a>, <a href="https://publications.waset.org/abstracts/search?q=Rodolfo%20de%20Paula%20Vieira"> Rodolfo de Paula Vieira</a>, <a href="https://publications.waset.org/abstracts/search?q=Renata%20Trimer"> Renata Trimer</a>, <a href="https://publications.waset.org/abstracts/search?q=Renata%20G.%20Mendes"> Renata G. Mendes</a>, <a href="https://publications.waset.org/abstracts/search?q=Myl%C3%A8ne%20Aubertin-Leheudre"> Mylène Aubertin-Leheudre</a>, <a href="https://publications.waset.org/abstracts/search?q=Audrey%20Borghi-Silva"> Audrey Borghi-Silva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Rationale: Cardiorespiratory fitness (CRF) and functional capacity in young obese and normal-weight people are associated with metabolic and cardiovascular diseases and mortality. However, it remains unclear whether their metabolically healthy (MH) or at risk (AR) phenotype influences cardiorespiratory fitness in this vulnerable population such as obese adults but also in normal-weight people. HOMA insulin resistance index (HI) and leptin-adiponectin ratio (LA) are strong markers for characterizing those phenotypes that we hypothesized to be associated with physical fitness. We also hypothesized that an easy and feasible exercise test could identify a subpopulation at risk to develop metabolic and related disorders. Methods: Thirty-nine sedentary men and women (20-45y; 18.5<BMI<24.9 or BMI>30 kg.m-2) underwent a clinical evaluation, including the six-minute step test (ST), a well-validated and reliable test for young people. Body composition assessment was done by a tetrapolar bioimpedance in a fasting state and in the folicular phase for women. A maximal cardiopulmonary exercise testing, as well as the ST, evaluated the oxygen uptake at the peak of the test (VO2peak) by an ergospirometer Oxycon Mobile. Lipids, glucose, insulin were analysed and the ELISA method quantified the serum leptin and adiponectin from blood samples. Volunteers were divided in two groups: AR or MH according to a HI cutoff of 1.95, which was previously determined in the literature. T-test for comparison between groups, Pearson´s test to correlate main variables and ROC analysis for discriminating AR from up-and-down cycles in ST (SC) were applied (p<0.05). Results: Higher LA, fat mass (FM) and lower HDL, SC, leg lean mass (LM) and VO2peak were found in AR than in MH. Significant correlations were found between VO2peak and SC (r= 0.80) as well as between LA and FM (r=0.87), VO2peak (r=-0.73), and SC (r=-0.65). Area under de curve showed moderate accuracy (0.75) of SC <173 to discriminate AR phenotype. Conclusion: Our study found that at risk obese and normal-weight subjects showed an unhealthy metabolism as well as a poor CRF and functional daily activity capacity. Additionally, a simple and less costly functional test associated with above-mentioned aspects is able to identify ‘at risk’ subjects for primary intervention with important clinical and health implications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aerobic%20capacity" title="aerobic capacity">aerobic capacity</a>, <a href="https://publications.waset.org/abstracts/search?q=exercise" title=" exercise"> exercise</a>, <a href="https://publications.waset.org/abstracts/search?q=fitness" title=" fitness"> fitness</a>, <a href="https://publications.waset.org/abstracts/search?q=metabolism" title=" metabolism"> metabolism</a>, <a href="https://publications.waset.org/abstracts/search?q=obesity" title=" obesity"> obesity</a>, <a href="https://publications.waset.org/abstracts/search?q=6MST" title=" 6MST"> 6MST</a> </p> <a href="https://publications.waset.org/abstracts/46552/a-clinical-cutoff-to-identify-metabolically-unhealthy-obese-and-normal-weight-phenotype-in-young-adults" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46552.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">353</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">3</span> Design of DNA Origami Structures Using LAMP Products as a Combined System for the Detection of Extended Spectrum B-Lactamases</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kalaumari%20Mayoral-Pe%C3%B1a">Kalaumari Mayoral-Peña</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20I.%20Montejano-Montelongo"> Ana I. Montejano-Montelongo</a>, <a href="https://publications.waset.org/abstracts/search?q=Josu%C3%A9%20Reyes-Mu%C3%B1oz"> Josué Reyes-Muñoz</a>, <a href="https://publications.waset.org/abstracts/search?q=Gonzalo%20A.%20Ortiz-Mancilla"> Gonzalo A. Ortiz-Mancilla</a>, <a href="https://publications.waset.org/abstracts/search?q=Mayrin%20Rodr%C3%ADguez-Cruz"> Mayrin Rodríguez-Cruz</a>, <a href="https://publications.waset.org/abstracts/search?q=V%C3%ADctor%20Hern%C3%A1ndez-Villalobos"> Víctor Hernández-Villalobos</a>, <a href="https://publications.waset.org/abstracts/search?q=Jes%C3%BAs%20A.%20Guzm%C3%A1n-L%C3%B3pez"> Jesús A. Guzmán-López</a>, <a href="https://publications.waset.org/abstracts/search?q=Santiago%20Garc%C3%ADa-Jacobo"> Santiago García-Jacobo</a>, <a href="https://publications.waset.org/abstracts/search?q=Iv%C3%A1n%20Licona-V%C3%A1zquez"> Iván Licona-Vázquez</a>, <a href="https://publications.waset.org/abstracts/search?q=Grisel%20Fierros-Romero"> Grisel Fierros-Romero</a>, <a href="https://publications.waset.org/abstracts/search?q=Rosario%20Flores-Vallejo"> Rosario Flores-Vallejo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The group B-lactamic antibiotics include some of the most frequently used small drug molecules against bacterial infections. Nevertheless, an alarming decrease in their efficacy has been reported due to the emergence of antibiotic-resistant bacteria. Infections caused by bacteria expressing extended Spectrum B-lactamases (ESBLs) are difficult to treat and account for higher morbidity and mortality rates, delayed recovery, and high economic burden. According to the Global Report on Antimicrobial Resistance Surveillance, it is estimated that mortality due to resistant bacteria will ascend to 10 million cases per year worldwide. These facts highlight the importance of developing low-cost and readily accessible detection methods of drug-resistant ESBLs bacteria to prevent their spread and promote accurate and fast diagnosis. Bacterial detection is commonly done using molecular diagnostic techniques, where PCR stands out for its high performance. However, this technique requires specialized equipment not available everywhere, is time-consuming, and has a high cost. Loop-Mediated Isothermal Amplification (LAMP) is an alternative technique that works at a constant temperature, significantly decreasing the equipment cost. It yields double-stranded DNA of several lengths with repetitions of the target DNA sequence as a product. Although positive and negative results from LAMP can be discriminated by colorimetry, fluorescence, and turbidity, there is still a large room for improvement in the point-of-care implementation. DNA origami is a technique that allows the formation of 3D nanometric structures by folding a large single-stranded DNA (scaffold) into a determined shape with the help of short DNA sequences (staples), which hybridize with the scaffold. This research aimed to generate DNA origami structures using LAMP products as scaffolds to improve the sensitivity to detect ESBLs in point-of-care diagnosis. For this study, the coding sequence of the CTM-X-15 ESBL of E. coli was used to generate the LAMP products. The set of LAMP primers were designed using PrimerExplorerV5. As a result, a target sequence of 200 nucleotides from CTM-X-15 ESBL was obtained. Afterward, eight different DNA origami structures were designed using the target sequence in the SDCadnano and analyzed with CanDo to evaluate the stability of the 3D structures. The designs were constructed minimizing the total number of staples to reduce costs and complexity for point-of-care applications. After analyzing the DNA origami designs, two structures were selected. The first one was a zig-zag flat structure, while the second one was a wall-like shape. Given the sequence repetitions in the scaffold sequence, both were able to be assembled with only 6 different staples each one, ranging between 18 to 80 nucleotides. Simulations of both structures were performed using scaffolds of different sizes yielding stable structures in all the cases. The generation of the LAMP products were tested by colorimetry and electrophoresis. The formation of the DNA structures was analyzed using electrophoresis and colorimetry. The modeling of novel detection methods through bioinformatics tools allows reliable control and prediction of results. To our knowledge, this is the first study that uses LAMP products and DNA-origami in combination to delect ESBL-producing bacterial strains, which represent a promising methodology for diagnosis in the point-of-care. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=beta-lactamases" title="beta-lactamases">beta-lactamases</a>, <a href="https://publications.waset.org/abstracts/search?q=antibiotic%20resistance" title=" antibiotic resistance"> antibiotic resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=DNA%20origami" title=" DNA origami"> DNA origami</a>, <a href="https://publications.waset.org/abstracts/search?q=isothermal%20amplification" title=" isothermal amplification"> isothermal amplification</a>, <a href="https://publications.waset.org/abstracts/search?q=LAMP%20technique" title=" LAMP technique"> LAMP technique</a>, <a href="https://publications.waset.org/abstracts/search?q=molecular%20diagnosis" title=" molecular diagnosis"> molecular diagnosis</a> </p> <a href="https://publications.waset.org/abstracts/142416/design-of-dna-origami-structures-using-lamp-products-as-a-combined-system-for-the-detection-of-extended-spectrum-b-lactamases" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142416.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">222</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=Rodolfo%20Rendon%20Villalobos&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Rodolfo%20Rendon%20Villalobos&page=2" 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