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Search results for: Leslie J. Quiocho
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Quiocho</title> <meta name="description" content="Search results for: Leslie J. Quiocho"> <meta name="keywords" content="Leslie J. Quiocho"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="Leslie J. 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Quiocho"> <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> 41</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Leslie J. Quiocho</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">41</span> Complexity in a Leslie-Gower Delayed Prey-Predator Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anuraj%20Singh">Anuraj Singh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The complex dynamics is explored in a prey predator system with multiple delays. The predator dynamics is governed by Leslie-Gower scheme. The existence of periodic solutions via Hopf bifurcation with respect to delay parameters is established. To substantiate analytical findings, numerical simulations are performed. The system shows rich dynamic behavior including chaos and limit cycles. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chaos" title="chaos">chaos</a>, <a href="https://publications.waset.org/abstracts/search?q=Hopf%20bifurcation" title=" Hopf bifurcation"> Hopf bifurcation</a>, <a href="https://publications.waset.org/abstracts/search?q=stability" title=" stability"> stability</a>, <a href="https://publications.waset.org/abstracts/search?q=time%20delay" title=" time delay"> time delay</a> </p> <a href="https://publications.waset.org/abstracts/6496/complexity-in-a-leslie-gower-delayed-prey-predator-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6496.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">326</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">40</span> Simulation for Squat Exercise of an Active Controlled Vibration Isolation and Stabilization System for Astronaut’s Exercise Platform</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ziraguen%20O.%20Williams">Ziraguen O. Williams</a>, <a href="https://publications.waset.org/abstracts/search?q=Shield%20B.%20Lin"> Shield B. Lin</a>, <a href="https://publications.waset.org/abstracts/search?q=Fouad%20N.%20Matari"> Fouad N. Matari</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20J.%20Quiocho"> Leslie J. Quiocho</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In a task to assist NASA in analyzing the dynamic forces caused by operational countermeasures of an astronaut’s exercise platform impacting the spacecraft, feedback delay, and signal noise were added to a simulation model of an active-controlled vibration isolation system to regulate the movement of the exercise platform. Previous simulation work was conducted primarily via MATLAB/Simulink. Two additional simulation tools used in this study were Trick and MBDyn, NASA co-developed software simulation environments. Simulation results obtained from these three tools were very similar. All simulation results support the hypothesis that an active-controlled vibration isolation system outperforms a passive-controlled system even with the addition of feedback delay and signal noise to the active-controlled system. In this paper, squat exercise was used in creating excited force to the simulation model. The exciter force from a squat exercise was calculated from the motion capture of an exerciser. The simulation results demonstrate much greater transmitted force reduction in the active-controlled system than the passive-controlled system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=control" title="control">control</a>, <a href="https://publications.waset.org/abstracts/search?q=counterweight" title=" counterweight"> counterweight</a>, <a href="https://publications.waset.org/abstracts/search?q=isolation" title=" isolation"> isolation</a>, <a href="https://publications.waset.org/abstracts/search?q=vibration" title=" vibration"> vibration</a> </p> <a href="https://publications.waset.org/abstracts/147104/simulation-for-squat-exercise-of-an-active-controlled-vibration-isolation-and-stabilization-system-for-astronauts-exercise-platform" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/147104.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">113</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">39</span> Coding Structures for Seated Row Simulation of an Active Controlled Vibration Isolation and Stabilization System for Astronaut’s Exercise Platform</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ziraguen%20O.%20Williams">Ziraguen O. Williams</a>, <a href="https://publications.waset.org/abstracts/search?q=Shield%20B.%20Lin"> Shield B. Lin</a>, <a href="https://publications.waset.org/abstracts/search?q=Fouad%20N.%20Matari"> Fouad N. Matari</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20J.%20Quiocho"> Leslie J. Quiocho</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Simulation for seated row exercise was a continued task to assist NASA in analyzing a one-dimensional vibration isolation and stabilization system for astronaut’s exercise platform. Feedback delay and signal noise were added to the model as previously done in simulation for squat exercise. Simulation runs for this study were conducted in two software simulation tools, Trick and MBDyn, software simulation environments developed at the NASA Johnson Space Center. The exciter force in the simulation was calculated from the motion capture of an exerciser during a seated row exercise. The simulation runs include passive control, active control using a Proportional, Integral, Derivative (PID) controller, and active control using a Piecewise Linear Integral Derivative (PWLID) controller. Output parameters include displacements of the exercise platform, the exerciser, and the counterweight; transmitted force to the wall of spacecraft; and actuator force to the platform. The simulation results showed excellent force reduction in the actively controlled system compared to the passive controlled system, which showed less force reduction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=control" title="control">control</a>, <a href="https://publications.waset.org/abstracts/search?q=counterweight" title=" counterweight"> counterweight</a>, <a href="https://publications.waset.org/abstracts/search?q=isolation" title=" isolation"> isolation</a>, <a href="https://publications.waset.org/abstracts/search?q=vibration." title=" vibration."> vibration.</a> </p> <a href="https://publications.waset.org/abstracts/154195/coding-structures-for-seated-row-simulation-of-an-active-controlled-vibration-isolation-and-stabilization-system-for-astronauts-exercise-platform" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/154195.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">38</span> Asset Liability Modelling for Pension Funds by Introducing Leslie Model for Population Dynamics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kristina%20Sutiene">Kristina Sutiene</a>, <a href="https://publications.waset.org/abstracts/search?q=Lina%20Dapkute"> Lina Dapkute</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper investigates the current demographic trends that exert the sustainability of pension systems in most EU regions. Several drivers usually compose the demographic challenge, coming from the structure and trends of population in the country. As the case of research, three main variables of demographic risk in Lithuania have been singled out and have been used in making up the analysis. Over the last two decades, the country has presented a peculiar demographic situation characterized by pessimistic fertility trends, negative net migration rate and rising life expectancy that make the significant changes in labor-age population. This study, therefore, sets out to assess the relative impact of these risk factors both individually and in aggregate, while assuming economic trends to evolve historically. The evidence is presented using data of pension funds that operate in Lithuania and are financed by defined-contribution plans. To achieve this goal, the discrete-time pension fund’s value model is developed that reflects main operational modalities: contribution income from current participants and new entrants, pension disbursement and administrative expenses; it also fluctuates based on returns from investment activity. Age-structured Leslie population dynamics model has been integrated into the main model to describe the dynamics of fertility, migration and mortality rates upon age. Validation has concluded that Leslie model adequately fits the current population trends in Lithuania. The elasticity of pension system is examined using Loimaranta efficiency as a measure for comparison of plausible long-term developments of demographic risks. With respect to the research question, it was found that demographic risks have different levels of influence on future value of aggregated pension funds: The fertility rates have the highest importance, while mortality rates give only a minor impact. Further studies regarding the role of trying out different economic scenarios in the integrated model would be worthwhile. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=asset%20liability%20modelling" title="asset liability modelling">asset liability modelling</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20model" title=" Leslie model"> Leslie model</a>, <a href="https://publications.waset.org/abstracts/search?q=pension%20funds" title=" pension funds"> pension funds</a>, <a href="https://publications.waset.org/abstracts/search?q=population%20dynamics" title=" population dynamics"> population dynamics</a> </p> <a href="https://publications.waset.org/abstracts/60105/asset-liability-modelling-for-pension-funds-by-introducing-leslie-model-for-population-dynamics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60105.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">37</span> Spatial Comparative Analysis on Travels of Mackay in Taiwan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shao-Chi%20Chien">Shao-Chi Chien</a>, <a href="https://publications.waset.org/abstracts/search?q=Ying-Ju%20Chen"> Ying-Ju Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Chiao-Yu%20Tseng"> Chiao-Yu Tseng</a>, <a href="https://publications.waset.org/abstracts/search?q=Wan-Ting%20Lee"> Wan-Ting Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Yi-Wen%20Cheng"> Yi-Wen Cheng</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Dr. George Leslie Mackay arrived at Takoukang (now Port of Kaohsiung) in Taiwan on December 30, 1871. When Dr. Mackay dedicated at Taiwan for 30 years, he has been an important factor in such areas as preaching, medical and engaged in education. Many researchers have thoroughly studied Dr. Mackay's travels to understand his impact on the state of education, medicine and religion in Taiwan. In the 30-year period of hard work, Dr. Mackay's made outstanding influence on the church in Taiwan. Therefore, the present study will be the mission of the establishment of hospitals, schools, churches which preaching, education, and medicine whether there are related the number of comparisons to explore. According to The Diaries of George Leslie Mackay, our research uses the Geographic Information System (GIS) to map the location of Dr. Mackay's travel in Taiwan and compares it with today's local churches, hospitals, and schools whether there are related the number of comparisons to explore. Therefore, our research focuses on the whole of Taiwan, divided into missionary, medical and education as the main content of the three major parts. Additionally, use of point layer, the surface layer of the property table to establish, in-depth mission of Dr. Mackay's development in Taiwan and Today's comparison. The results will be based on the classification of three different colors pictures that the distance of Mackay's contribution of preaching, medicine, and education. Our research will be compared with the current churches, hospitals, schools and the past churches, hospitals, schools. The results of the present study will provide a reference for future research. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=George%20Leslie%20Mackay" title="George Leslie Mackay">George Leslie Mackay</a>, <a href="https://publications.waset.org/abstracts/search?q=geographic%20information%20system" title=" geographic information system"> geographic information system</a>, <a href="https://publications.waset.org/abstracts/search?q=spatial%20distribution" title=" spatial distribution"> spatial distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=color%20categories%20analysis" title=" color categories analysis"> color categories analysis</a> </p> <a href="https://publications.waset.org/abstracts/67188/spatial-comparative-analysis-on-travels-of-mackay-in-taiwan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67188.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">397</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">36</span> High Frequency Sonochemistry: A New Field of Cavitation‐Free Acoustic Materials Synthesis and Manipulation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amgad%20Rezk">Amgad Rezk</a>, <a href="https://publications.waset.org/abstracts/search?q=Heba%20Ahmed"> Heba Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20Yeo"> Leslie Yeo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ultrasound presents a powerful means for material synthesis. In this talk, we showcase a new field demonstrating the possibility for harnessing sound energy sources at considerably higher frequencies (10 MHz to 1 GHz) compared to conventional ultrasound (kHz and up to ~2 MHz) for crystalising and manipulating a variety of nanoscale materials. At these frequencies, cavitation—which underpins most sonochemical processes—is largely absent, suggesting that altogether fundamentally different mechanisms are at dominant. Examples include the crystallization of highly oriented structures, quasi-2D metal-organic frameworks and nanocomposites. These fascinating examples reveal how the highly nonlinear electromechanical coupling associated with high-frequency surface vibration gives rise to molecular ordering and assembly on the nano and microscale. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=high-frequency%20acoustics" title="high-frequency acoustics">high-frequency acoustics</a>, <a href="https://publications.waset.org/abstracts/search?q=microfluidics" title=" microfluidics"> microfluidics</a>, <a href="https://publications.waset.org/abstracts/search?q=crystallisation" title=" crystallisation"> crystallisation</a>, <a href="https://publications.waset.org/abstracts/search?q=composite%20nanomaterials" title=" composite nanomaterials"> composite nanomaterials</a> </p> <a href="https://publications.waset.org/abstracts/147372/high-frequency-sonochemistry-a-new-field-of-cavitationfree-acoustic-materials-synthesis-and-manipulation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/147372.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">121</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">35</span> Zero-Knowledge Proof-of-Reserve: A Confidential Approach to Cryptocurrency Asset Verification</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sam%20Ng">Sam Ng</a>, <a href="https://publications.waset.org/abstracts/search?q=Lewis%20Leighton"> Lewis Leighton</a>, <a href="https://publications.waset.org/abstracts/search?q=Sam%20Atkinson"> Sam Atkinson</a>, <a href="https://publications.waset.org/abstracts/search?q=Carson%20Yan"> Carson Yan</a>, <a href="https://publications.waset.org/abstracts/search?q=Landan%20Hu"> Landan Hu</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20Cheung"> Leslie Cheung</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20Yap"> Brian Yap</a>, <a href="https://publications.waset.org/abstracts/search?q=Kent%20Lung"> Kent Lung</a>, <a href="https://publications.waset.org/abstracts/search?q=Ketat%20Sarakune"> Ketat Sarakune</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper introduces a method for verifying cryptocurrency reserves that balances the need for both transparency and data confidentiality. Our methodology employs cryptographic techniques, including Merkle Trees, Bulletproof, and zkSnark, to verify that total assets equal or exceed total liabilities, represented by customer funds. Importantly, this verification is achieved without disclosing sensitive information such as the total asset value, customer count, or cold wallet addresses. We delve into the construction and implementation of this methodology. While the system is robust and scalable, we also identify areas for potential enhancements to improve its efficiency and versatility. As the digital asset landscape continues to evolve, our approach provides a solid foundation for ensuring continued trust and security in digital asset platforms. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cryptocurrency" title="cryptocurrency">cryptocurrency</a>, <a href="https://publications.waset.org/abstracts/search?q=crypto-currency" title=" crypto-currency"> crypto-currency</a>, <a href="https://publications.waset.org/abstracts/search?q=proof-of-reserve" title=" proof-of-reserve"> proof-of-reserve</a>, <a href="https://publications.waset.org/abstracts/search?q=por" title=" por"> por</a>, <a href="https://publications.waset.org/abstracts/search?q=zero-knowledge" title=" zero-knowledge"> zero-knowledge</a>, <a href="https://publications.waset.org/abstracts/search?q=ZKP" title=" ZKP"> ZKP</a> </p> <a href="https://publications.waset.org/abstracts/173727/zero-knowledge-proof-of-reserve-a-confidential-approach-to-cryptocurrency-asset-verification" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173727.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">72</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">34</span> Tracing Back the Bot Master </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sneha%20Leslie">Sneha Leslie</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The current situation in the cyber world is that crimes performed by Botnets are increasing and the masterminds (botmaster) are not detectable easily. The botmaster in the botnet compromises the legitimate host machines in the network and make them bots or zombies to initiate the cyber-attacks. This paper will focus on the live detection of the botmaster in the network by using the strong framework 'metasploit', when distributed denial of service (DDOS) attack is performed by the botnet. The affected victim machine will be continuously monitoring its incoming packets. Once the victim machine gets to know about the excessive count of packets from any IP, that particular IP is noted and details of the noted systems are gathered. Using the vulnerabilities present in the zombie machines (already compromised by botmaster), the victim machine will compromise them. By gaining access to the compromised systems, applications are run remotely. By analyzing the incoming packets of the zombies, the victim comes to know the address of the botmaster. This is an effective and a simple system where no specific features of communication protocol are considered. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bonet" title="bonet">bonet</a>, <a href="https://publications.waset.org/abstracts/search?q=DDoS%20attack" title=" DDoS attack"> DDoS attack</a>, <a href="https://publications.waset.org/abstracts/search?q=network%20security" title=" network security"> network security</a>, <a href="https://publications.waset.org/abstracts/search?q=detection%20system" title=" detection system"> detection system</a>, <a href="https://publications.waset.org/abstracts/search?q=metasploit%20framework" title=" metasploit framework"> metasploit framework</a> </p> <a href="https://publications.waset.org/abstracts/19912/tracing-back-the-bot-master" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19912.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">254</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">33</span> Utilizing Quicklime (Calcium Oxide) for Self-Healing Properties in Innovation of Coconut Husk Fiber Bricks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Christian%20Gabriel%20Mariveles">Christian Gabriel Mariveles</a>, <a href="https://publications.waset.org/abstracts/search?q=Darelle%20Jay%20Gallardo"> Darelle Jay Gallardo</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20Dayaoen"> Leslie Dayaoen</a>, <a href="https://publications.waset.org/abstracts/search?q=Laurenz%20Paul%20Diaz"> Laurenz Paul Diaz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> True experimental research with descriptive analysis was conducted. Utilizing Quicklime (Calcium Oxide) for self-healing properties of coconut husk fibre concrete brick. There are 2 setups established: the first one has the 1:1:2 ratio of calcium oxide, cement and sand, and the second one has a 2:1:2 ratio of the same variables. The bricks are made from the residences along Barangay Greater Lagro. The mixture of sand and cement is mixed with coconut husk fibers and then molded with different ratios in the molder. After the drying of cement, the researchers tested the bricks in the laboratory for compressive strength. The brick with the highest PSI is picked by the researchers to drop into freefall testing, and it makes remarkable remarks as it is deformed after dropping to different heights with a maximum of 20 feet. Unfortunately, the self-healing capabilities were not observed during the 12 weeks of monitoring. However, the brick was weighed after 12 weeks of monitoring, and it increased in weight by 0.030 kg. from 1.833 kg. to 1.863 kg. meaning that this ratio 2 has the potential to self-heal, but 12 weeks of monitoring by the researchers is not enough to conclude that it has a significant difference. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=self%20healing" title="self healing">self healing</a>, <a href="https://publications.waset.org/abstracts/search?q=coconut%20husk%20bricks" title=" coconut husk bricks"> coconut husk bricks</a>, <a href="https://publications.waset.org/abstracts/search?q=research" title=" research"> research</a>, <a href="https://publications.waset.org/abstracts/search?q=calcium%20oxide" title=" calcium oxide"> calcium oxide</a>, <a href="https://publications.waset.org/abstracts/search?q=utilizing%20quicklime" title=" utilizing quicklime"> utilizing quicklime</a> </p> <a href="https://publications.waset.org/abstracts/184457/utilizing-quicklime-calcium-oxide-for-self-healing-properties-in-innovation-of-coconut-husk-fiber-bricks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/184457.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">43</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">32</span> A Survey of Recognizing of Daily Living Activities in Multi-User Smart Home Environments</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kulsoom%20S.%20Bughio">Kulsoom S. Bughio</a>, <a href="https://publications.waset.org/abstracts/search?q=Naeem%20K.%20Janjua"> Naeem K. Janjua</a>, <a href="https://publications.waset.org/abstracts/search?q=Gordana%20Dermody"> Gordana Dermody</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20F.%20Sikos"> Leslie F. Sikos</a>, <a href="https://publications.waset.org/abstracts/search?q=Shamsul%20Islam"> Shamsul Islam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The advancement in information and communication technologies (ICT) and wireless sensor networks have played a pivotal role in the design and development of real-time healthcare solutions, mainly targeting the elderly living in health-assistive smart homes. Such smart homes are equipped with sensor technologies to detect and record activities of daily living (ADL). This survey reviews and evaluates existing approaches and techniques based on real-time sensor-based modeling and reasoning in single-user and multi-user environments. It classifies the approaches into three main categories: learning-based, knowledge-based, and hybrid, and evaluates how they handle temporal relations, granularity, and uncertainty. The survey also highlights open challenges across various disciplines (including computer and information sciences and health sciences) to encourage interdisciplinary research for the detection and recognition of ADLs and discusses future directions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=daily%20living%20activities" title="daily living activities">daily living activities</a>, <a href="https://publications.waset.org/abstracts/search?q=smart%20homes" title=" smart homes"> smart homes</a>, <a href="https://publications.waset.org/abstracts/search?q=single-user%20environment" title=" single-user environment"> single-user environment</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-user%20environment" title=" multi-user environment"> multi-user environment</a> </p> <a href="https://publications.waset.org/abstracts/147880/a-survey-of-recognizing-of-daily-living-activities-in-multi-user-smart-home-environments" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/147880.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">141</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">31</span> Synthesis of Iron-Modified Montmorillonite as Filler for Electrospun Nanocomposite Fibers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khryslyn%20Ara%C3%B1o">Khryslyn Araño</a>, <a href="https://publications.waset.org/abstracts/search?q=Dela%20Cruz"> Dela Cruz</a>, <a href="https://publications.waset.org/abstracts/search?q=Michael%20Leo"> Michael Leo</a>, <a href="https://publications.waset.org/abstracts/search?q=Dela%20Pena"> Dela Pena</a>, <a href="https://publications.waset.org/abstracts/search?q=Eden%20May"> Eden May</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20Joy%20Diaz"> Leslie Joy Diaz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Montmorillonite (MMT) is a very abundant clay mineral and is versatile such that it can be chemically or physically altered by changing the ions between the sheets of its layered structure. This clay mineral can be prepared into functional nanoparticles that can be used as fillers in other nanomaterials such as nanofibers to achieve special properties. In this study, two types of iron-modified MMT, Iron-MMT (FeMMT) and Zero Valent Iron-MMT (ZVIMMT) were synthesized via ion exchange technique. The modified clay was incorporated in polymer nanofibers which were produced using a process called electrospinning. ICP analysis confirmed that clay modification was successful where there is an observed decrease in the concentration of Na and an increase in the concentration of Fe after ion exchange. XRD analysis also confirmed that modification took place because of the changes in the d-spacing of Na-MMT from 11.5 Å to 13.6 Å and 12.6 Å after synthesis of FeMMT and ZVIMMT, respectively. SEM images of the electrospun nanofibers revealed that the ZVIMMT-filled fibers have a smaller average diameter than the FeMMT-filled fibers because of the lower resistance of the suspensions of the former to the elongation force from the applied electric field. The resistance to the electric field was measured by getting the bulk voltage of the suspensions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electrospinning" title="electrospinning">electrospinning</a>, <a href="https://publications.waset.org/abstracts/search?q=nanofibers" title=" nanofibers"> nanofibers</a>, <a href="https://publications.waset.org/abstracts/search?q=montmorillonite" title=" montmorillonite"> montmorillonite</a>, <a href="https://publications.waset.org/abstracts/search?q=materials%20science" title=" materials science"> materials science</a> </p> <a href="https://publications.waset.org/abstracts/8295/synthesis-of-iron-modified-montmorillonite-as-filler-for-electrospun-nanocomposite-fibers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8295.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">345</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> A Comparison of the Adsorption Mechanism of Arsenic on Iron-Modified Nanoclays</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Michael%20Leo%20L.%20Dela%20Cruz">Michael Leo L. Dela Cruz</a>, <a href="https://publications.waset.org/abstracts/search?q=Khryslyn%20G.%20Arano"> Khryslyn G. Arano</a>, <a href="https://publications.waset.org/abstracts/search?q=Eden%20May%20B.%20Dela%20Pena"> Eden May B. Dela Pena</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20Joy%20Diaz"> Leslie Joy Diaz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Arsenic adsorbents were continuously being researched to ease the detrimental impact of arsenic to human health. A comparative study on the adsorption mechanism of arsenic on iron modified nanoclays was undertaken. Iron intercalated montmorillonite (Fe-MMT) and montmorillonite supported zero-valent iron (ZVI-MMT) were the adsorbents investigated in this study. Fe-MMT was produced through ion-exchange by replacing the sodium intercalated ions in montmorillonite with iron (III) ions. The iron (III) in Fe-MMT was later reduced to zero valent iron producing ZVI-MMT. Adsorption study was performed by batch technique. Obtained data were fitted to intra-particle diffusion, pseudo-first order, and pseudo-second-order models and the Elovich equation to determine the kinetics of adsorption. The adsorption of arsenic on Fe-MMT followed the intra-particle diffusion model with intra-particle rate constant of 0.27 mg/g-min0.5. Arsenic was found to be chemically bound on ZVI-MMT as suggested by the pseudo-second order and Elovich equation. The derived pseudo-second order rate constant was 0.0027 g/mg-min with initial adsorption rate computed from the Elovich equation was 113 mg/g-min. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adsorption%20mechanism" title="adsorption mechanism">adsorption mechanism</a>, <a href="https://publications.waset.org/abstracts/search?q=arsenic" title=" arsenic"> arsenic</a>, <a href="https://publications.waset.org/abstracts/search?q=montmorillonite" title=" montmorillonite"> montmorillonite</a>, <a href="https://publications.waset.org/abstracts/search?q=zero%20valent%20iron" title=" zero valent iron"> zero valent iron</a> </p> <a href="https://publications.waset.org/abstracts/9758/a-comparison-of-the-adsorption-mechanism-of-arsenic-on-iron-modified-nanoclays" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9758.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">415</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> [Keynote Talk]: The Emotional Life of Patients with Chronic Diseases: A Framework for Health Promotion Strategies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Leslie%20Beale">Leslie Beale</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Being a patient with a chronic disease is both a physical and emotional experience. The ability to recognize a patient’s emotional health is an important part of a health care provider’s skills. For the purposes of this paper, emotional health is viewed as the way that we feel, and the way that our feelings affect us. Understanding the patient’s emotional health leads to improved provider-patient relationships and health outcomes. For example, when a patient first hears his or her diagnosis from a provider, they might find it difficult to cope with their emotions. Struggling to cope with emotions interferes with the patient’s ability to read, understand, and act on health information and services. As a result, the patient becomes more frustrated and confused, creating barriers to accessing healthcare services. These barriers are challenging for both the patient and their healthcare providers. There are five basic emotions that are part of who we are and are always with us: fear, anger, sadness, joy, and compassion. Living with a chronic disease however can cause a patient to experience and express these emotions in new and unique ways. Within the provider-patient relationship, there needs to be an understanding that each patient experiences these five emotions and, experiences them at different times. In response to this need, the paper highlights a health promotion framework for patients with chronic disease. This framework emphasizes the emotional health of patients. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=health%20promotion" title="health promotion">health promotion</a>, <a href="https://publications.waset.org/abstracts/search?q=emotional%20health" title=" emotional health"> emotional health</a>, <a href="https://publications.waset.org/abstracts/search?q=patients%20with%20chronic%20disease" title=" patients with chronic disease"> patients with chronic disease</a>, <a href="https://publications.waset.org/abstracts/search?q=patient-centered%20care" title=" patient-centered care"> patient-centered care</a> </p> <a href="https://publications.waset.org/abstracts/75505/keynote-talk-the-emotional-life-of-patients-with-chronic-diseases-a-framework-for-health-promotion-strategies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75505.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">234</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">28</span> Assessment of the Potential of Fuel-derived Rice Husk Ash as Pozzolanic Material</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jesha%20Faye%20T.%20Librea">Jesha Faye T. Librea</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20Joy%20L.%20Diaz"> Leslie Joy L. Diaz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fuel-derived rice husk ash (fRHA) is a waste material from industries employing rice husk as a biomass fuel which, on the downside, causes disposal and environmental problems. To mitigate this, the fRHA was evaluated for use in other applications such as a pozzolanic material for the construction industry. In this study, the assessment of the potential of fRHA as pozzolanic supplementary cementitious material was conducted by determining the chemical and physical properties of fRHA according to ASTM C618, evaluating the fineness of the material according to ASTM C430, and determining its pozzolanic activity using Luxan Method. The material was found to have a high amorphous silica content of around 95.82 % with traces of alkaline and carbon impurities. The retained carbon residue is 7.18 %, which is within the limit of the specifications for natural pozzolans indicated in ASTM C618. The fineness of the fRHA is at 88.88 % retained at a 45-micron sieve, which, however, exceeded the limit of 34 %. This large particle size distribution was found to affect the pozzolanic activity of the fRHA. This was shown in the Luxan test, where the fRHA was identified as non-pozzolan due to its low pozzolanic activity index of 0.262. Thus, further processing must be done to the fRHA to pass the required ASTM fineness, have a higher pozzolanic activity index, and fully qualify as a pozzolanic material. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=rice%20husk%20ash" title="rice husk ash">rice husk ash</a>, <a href="https://publications.waset.org/abstracts/search?q=pozzolanic" title=" pozzolanic"> pozzolanic</a>, <a href="https://publications.waset.org/abstracts/search?q=fuel-derived%20ash" title=" fuel-derived ash"> fuel-derived ash</a>, <a href="https://publications.waset.org/abstracts/search?q=supplementary%20cementitious%20material" title=" supplementary cementitious material"> supplementary cementitious material</a> </p> <a href="https://publications.waset.org/abstracts/182238/assessment-of-the-potential-of-fuel-derived-rice-husk-ash-as-pozzolanic-material" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/182238.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">66</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> Nature of a Supercritical Mesophase</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamza%20Javar%20Magnier">Hamza Javar Magnier</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20V.%20Woodcock"> Leslie V. Woodcock</a> </p> <p class="card-text"><strong>Abstract:</strong></p> It has been reported that at temperatures above the critical there is no “continuity of liquid and gas”, as originally hypothesized by van der Waals. Rather, both gas and liquid phases, with characteristic properties as such, extend to supercritical temperatures. Each phase is bounded by the locus of a percolation transition, i.e. a higher-order thermodynamic phase change associated with percolation of gas clusters in a large void, or liquid interstitial vacancies in a large cluster. Between these two-phase bounds, it is reported there exists a mesophase that resembles an otherwise homogeneous dispersion of gas micro-bubbles in liquid (foam) and a dispersion of liquid micro-droplets in gas (mist). Such a colloidal-like state of a pure one-component fluid represents a hitherto unchartered equilibrium state of matter besides pure solid, liquid or gas. Here we provide compelling evidence, from molecular dynamics (MD) simulations, for the existence of this supercritical mesophase and its colloidal nature. We report preliminary results of computer simulations for a model fluid using a simplistic representation of atoms or molecules, i.e. a hard-core repulsion with an attraction so short that the atoms are referred to as “adhesive spheres”. Molecular clusters, and hence percolation transitions, are unambiguously defined. Graphics of color-coded clusters show colloidal characteristics of the supercritical mesophase. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=critical%20phenomena" title="critical phenomena">critical phenomena</a>, <a href="https://publications.waset.org/abstracts/search?q=mesophase" title=" mesophase"> mesophase</a>, <a href="https://publications.waset.org/abstracts/search?q=supercritical" title=" supercritical"> supercritical</a>, <a href="https://publications.waset.org/abstracts/search?q=square-well" title=" square-well"> square-well</a>, <a href="https://publications.waset.org/abstracts/search?q=critical%20parameters" title=" critical parameters"> critical parameters</a> </p> <a href="https://publications.waset.org/abstracts/18845/nature-of-a-supercritical-mesophase" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18845.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">426</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> Practices of Entomophagy and Entomotherapy in Baranggay Alambijud, Argao and Baranggay Lusaran, Cebu City, Philippines</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jake%20Joshua%20C.%20Garces">Jake Joshua C. Garces</a>, <a href="https://publications.waset.org/abstracts/search?q=Zandra%20O.%20Jarito"> Zandra O. Jarito</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20Ann%20T.%20Barriga"> Leslie Ann T. Barriga</a>, <a href="https://publications.waset.org/abstracts/search?q=Froilen%20C.%20Domicelo"> Froilen C. Domicelo</a>, <a href="https://publications.waset.org/abstracts/search?q=Nimfa%20R.%20Pansit"> Nimfa R. Pansit</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study was conducted in order to discover the medicinal and edible potentialities of different insect species in Baranggay Alambijud, Argao and Baranggay Lusaran, Cebu City, Cebu. In order to identify these entomological practices, a survey was carried out by the researchers in these key sites. Fourteen key informants were obtained and these were identified with the aide of two sampling methods- snowball technique and purposive sampling. Open-ended questionnaires were employed in order to obtain authentic and significant information from the key informants. Results portrayed that in the practice of entomotherapy, two insects were used as medicine namely: migratory locust (Locusta migratoria manillensis) and honey bee (Apis dorsata); and two insect by-products were utilized namely: feces of cockroach (Periplaneta Americana) and honey. White grub (Cotinis nitida) and bee eggs were also documented to manifest edible capability and were thus utilized in the entomophagic practices. After applying thematic analysis, it was determined that the causative factors of their entomological practices include their limited educational attainment, their inability to access urban societies and the influence brought about by their family and community. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=entomophagy" title="entomophagy">entomophagy</a>, <a href="https://publications.waset.org/abstracts/search?q=entomotherapy" title=" entomotherapy"> entomotherapy</a>, <a href="https://publications.waset.org/abstracts/search?q=entomology" title=" entomology"> entomology</a>, <a href="https://publications.waset.org/abstracts/search?q=key%20informants" title=" key informants"> key informants</a> </p> <a href="https://publications.waset.org/abstracts/14601/practices-of-entomophagy-and-entomotherapy-in-baranggay-alambijud-argao-and-baranggay-lusaran-cebu-city-philippines" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14601.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">335</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> Multivariate Output-Associative RVM for Multi-Dimensional Affect Predictions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Achut%20Manandhar">Achut Manandhar</a>, <a href="https://publications.waset.org/abstracts/search?q=Kenneth%20D.%20Morton"> Kenneth D. Morton</a>, <a href="https://publications.waset.org/abstracts/search?q=Peter%20A.%20Torrione"> Peter A. Torrione</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20M.%20Collins"> Leslie M. Collins</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The current trends in affect recognition research are to consider continuous observations from spontaneous natural interactions in people using multiple feature modalities, and to represent affect in terms of continuous dimensions, incorporate spatio-temporal correlation among affect dimensions, and provide fast affect predictions. These research efforts have been propelled by a growing effort to develop affect recognition system that can be implemented to enable seamless real-time human-computer interaction in a wide variety of applications. Motivated by these desired attributes of an affect recognition system, in this work a multi-dimensional affect prediction approach is proposed by integrating multivariate Relevance Vector Machine (MVRVM) with a recently developed Output-associative Relevance Vector Machine (OARVM) approach. The resulting approach can provide fast continuous affect predictions by jointly modeling the multiple affect dimensions and their correlations. Experiments on the RECOLA database show that the proposed approach performs competitively with the OARVM while providing faster predictions during testing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dimensional%20affect%20prediction" title="dimensional affect prediction">dimensional affect prediction</a>, <a href="https://publications.waset.org/abstracts/search?q=output-associative%20RVM" title=" output-associative RVM"> output-associative RVM</a>, <a href="https://publications.waset.org/abstracts/search?q=multivariate%20regression" title=" multivariate regression"> multivariate regression</a>, <a href="https://publications.waset.org/abstracts/search?q=fast%20testing" title=" fast testing"> fast testing</a> </p> <a href="https://publications.waset.org/abstracts/39289/multivariate-output-associative-rvm-for-multi-dimensional-affect-predictions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39289.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">24</span> Efficiency of Membrane Distillation to Produce Fresh Water</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sabri%20Mrayed">Sabri Mrayed</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20Maccioni"> David Maccioni</a>, <a href="https://publications.waset.org/abstracts/search?q=Greg%20Leslie"> Greg Leslie</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Seawater desalination has been accepted as one of the most effective solutions to the growing problem of a diminishing clean drinking water supply. Currently, two desalination technologies dominate the market – the thermally driven multi-stage flash distillation (MSF) and the membrane based reverse osmosis (RO). However, in recent years membrane distillation (MD) has emerged as a potential alternative to the established means of desalination. This research project intended to determine the viability of MD as an alternative process to MSF and RO for seawater desalination. Specifically the project involves conducting a thermodynamic analysis of the process based on the second law of thermodynamics to determine the efficiency of the MD. Data was obtained from experiments carried out on a laboratory rig. In order to determine exergy values required for the exergy analysis, two separate models were built in Engineering Equation Solver – the ’Minimum Separation Work Model’ and the ‘Stream Exergy Model’. The efficiency of MD process was found to be 17.3 %, and the energy consumption was determined to be 4.5 kWh to produce one cubic meter of fresh water. The results indicate MD has potential as a technique for seawater desalination compared to RO and MSF. However, it was shown that this was only the case if an alternate energy source such as green or waste energy was available to provide the thermal energy input to the process. If the process was required to power itself, it was shown to be highly inefficient and in no way thermodynamically viable as a commercial desalination process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=desalination" title="desalination">desalination</a>, <a href="https://publications.waset.org/abstracts/search?q=exergy" title=" exergy"> exergy</a>, <a href="https://publications.waset.org/abstracts/search?q=membrane%20distillation" title=" membrane distillation"> membrane distillation</a>, <a href="https://publications.waset.org/abstracts/search?q=second%20law%20efficiency" title=" second law efficiency"> second law efficiency</a> </p> <a href="https://publications.waset.org/abstracts/1834/efficiency-of-membrane-distillation-to-produce-fresh-water" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1834.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">364</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> A Modelling Study to Compare the Storm Surge along Oman Coast Due to Ashobaa and Nanauk Cyclones</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20V.%20Suresh%20Reddi">R. V. Suresh Reddi</a>, <a href="https://publications.waset.org/abstracts/search?q=Vishnu%20S.%20Das"> Vishnu S. Das</a>, <a href="https://publications.waset.org/abstracts/search?q=Mathew%20Leslie"> Mathew Leslie </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The weather systems within the Arabian Sea is very dynamic in terms of monsoon and cyclone events. The storms generated in the Arabian Sea are more likely to progress in the north-west or west direction towards Oman. From the database of Joint Typhoon Warning Center (JTWC), the number of cyclones that hit the Oman coast or pass within close vicinity is noteworthy and therefore they must be considered when looking at coastal/port engineering design and development projects. This paper provides a case study of two cyclones, i.e., Nanauk (2014) and Ashobaa (2015) to assess the impact on storm surge off the Oman coast. These two cyclones have been selected since they are comparable in terms of maximum wind, cyclone duration, central pressure and month of occurrence. They are of similar strength but differ in track, allowing the impact of proximity to the coast to be considered. Of the two selected cyclones, Ashobaa is the 'extreme' case with close proximity while Nanauk remains further offshore and is considered as a more typical case. The available 'best-track' data from JTWC is obtained for the 2 selected cyclones, and the cyclone winds are generated using a 'Cyclone Wind Generation Tool' from MIKE (modelling software) from DHI (Danish Hydraulic Institute). Using MIKE 21 Hydrodynamic model powered by DHI the storm surge is estimated at selected offshore locations along the Oman coast. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=costal%20engineering" title="costal engineering">costal engineering</a>, <a href="https://publications.waset.org/abstracts/search?q=cyclone" title=" cyclone"> cyclone</a>, <a href="https://publications.waset.org/abstracts/search?q=storm%20surge" title=" storm surge"> storm surge</a>, <a href="https://publications.waset.org/abstracts/search?q=modelling" title=" modelling"> modelling</a> </p> <a href="https://publications.waset.org/abstracts/104031/a-modelling-study-to-compare-the-storm-surge-along-oman-coast-due-to-ashobaa-and-nanauk-cyclones" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/104031.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">145</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> Need for a National Newborn Screening Programme in India: Pilot Study Data</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sudheer%20Moorkoth">Sudheer Moorkoth</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20Edward%20Lewis"> Leslie Edward Lewis</a>, <a href="https://publications.waset.org/abstracts/search?q=Pragna%20Rao"> Pragna Rao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Newborn screening (NBS) is a part of routine newborn care in many countries worldwide to detect early any rare treatable conditions and inborn errors of metabolism (IEM). India has not started this program yet. In an attempt to understand the challenges in implementing a national newborn screening program in India, we initiated a pilot newborn screening project funded by the Government of Canada. Along with initiating the newborn screening at Kasturba Hospital, Manipal in South India, for screening six disorders (Congenital Hypothyroidism(CH), Congenital Adrenal Hyperplasia (CAH), Galactosemia, Biotinidase deficiency, Glucose-6-Phosphate Dehydrogenase deficiency (G-6PD) and Phenylketonurea), we also studied the awareness of various stakeholders on the newborn screening. In a period of nine months from August 2017 to March 2018 we could screen 1915 newborns (999 male and 916 female). The result showed that there were seven babies screened positive. This interim result points to an incidence rate of 1 in 270 children for these rare disorders collectively. This includes three confirmed cases of CH, two cases of G-6PD deficiency, and one case each for Galctosemia and CAH. A questionnaire based study to understand the awareness among various stakeholders revealed that there is little awareness among parents, adolescents and anganwadi workers (public health worker). The interim data points to the need for a national newborn screening programme in India. There is also an immediate need to undertake large-scale awareness programme to create knowledge on NBS among the various stakeholders. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=awareness" title="awareness">awareness</a>, <a href="https://publications.waset.org/abstracts/search?q=inborn%20errors%20of%20metabolism%20%28IEM%29" title=" inborn errors of metabolism (IEM)"> inborn errors of metabolism (IEM)</a>, <a href="https://publications.waset.org/abstracts/search?q=newborn%20screening" title=" newborn screening"> newborn screening</a>, <a href="https://publications.waset.org/abstracts/search?q=rare%20disease" title=" rare disease"> rare disease</a> </p> <a href="https://publications.waset.org/abstracts/93774/need-for-a-national-newborn-screening-programme-in-india-pilot-study-data" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/93774.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">249</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> Overview on Sustainable Coastal Protection Structures </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Suresh%20Reddi">Suresh Reddi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mathew%20Leslie"> Mathew Leslie</a>, <a href="https://publications.waset.org/abstracts/search?q=Vishnu%20S.%20Das"> Vishnu S. Das</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sustainable design is a prominent concept across all sectors of engineering and its importance is widely recognized within the Arabian Gulf region. Despite that sustainable or soft engineering options are not widely deployed in coastal engineering projects and a preference for utilizing ‘hard engineering’ solutions remain. The concept of soft engineering lies in “working together” with the nature to manage the coastline. This approach allows hard engineering options, such as breakwaters or sea walls, to be minimized or even eliminated altogether. Hard structures provide a firm barrier to wave energy or flooding, but in doing so they often have a significant impact on the natural processes of the coastline. This may affect the area locally or impact on neighboring zones. In addition, they often have a negative environmental impact and may create a sense of disconnect between the marine environment and local users. Soft engineering options, seek to protect the coastline by working in harmony with the natural process of sediment transport/budget. They often consider new habitat creation and creating usable spaces that will increase the sense of connection with nature. Often soft engineering options, where appropriately deployed can provide a low-maintenance, aesthetically valued, natural line of coastal protection. This paper deals with an overview of the following: The widely accepted soft engineering practices across the world; How this approach has been considered by Ramboll in some recent projects in Middle East and Asia; Challenges and barriers to use in using soft engineering options in the region; Way forward towards more widespread adoption. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coastline" title="coastline">coastline</a>, <a href="https://publications.waset.org/abstracts/search?q=hard%20engineering" title=" hard engineering"> hard engineering</a>, <a href="https://publications.waset.org/abstracts/search?q=low%20maintenance" title=" low maintenance"> low maintenance</a>, <a href="https://publications.waset.org/abstracts/search?q=soft%20engineering%20options" title=" soft engineering options"> soft engineering options</a> </p> <a href="https://publications.waset.org/abstracts/104025/overview-on-sustainable-coastal-protection-structures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/104025.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">138</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> Promising Anti-Displacement Practices for High Cost Cities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Leslie%20M.%20Mullins">Leslie M. Mullins</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the face of dramatically shifting demographic trends and macroeconomic pressures on affordable housing in high-cost cities, municipalities and developers have been forced to develop new models of sustainable development that integrates elements of substantial rehabilitation and new construction while controlling for relocation and mass displacement. Community development partners in the San Francisco Bay Area of Northern California are starting to prioritize anti-displacement strategies when rehabilitating severely neglected public housing developments. This study explored the community-driven efforts to transform four dilapidated public housing sites (N=2,600 households) into thriving mixed-income housing communities. Eight interviews were conducted with frontline workers (property managers and service providers), who directly worked with residents throughout critical stages of the relocation and leasing process. Interviews were audio-recorded, transcribed, and analyzed by a systematic procedure for qualitative analysis to identify key themes on the topics of interest. Also, an extensive literature analysis was conducted to determine promising practices throughout the industry. This study highlighted that resident’s emotional attachment to their homes (regardless of the deteriorating conditions of their unit) could both a) impede the relocation process and substantially impact the budget and timeline, while b) simultaneously providing a basis for an enhanced sense of belonging and community cohesion. This phenomenon often includes the welcoming of new residents and cultures. Resident centered workshops, healing centered rituals, and extensive 'hands-on' guidance was highlighted as promising practices that resulted in residential retention rates that were two to three times the national average and positively impacted the overall project’s budget and timeline. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anti-displacement%20strategies" title="anti-displacement strategies">anti-displacement strategies</a>, <a href="https://publications.waset.org/abstracts/search?q=community%20based%20practices" title=" community based practices"> community based practices</a>, <a href="https://publications.waset.org/abstracts/search?q=community%20cohesion" title=" community cohesion"> community cohesion</a>, <a href="https://publications.waset.org/abstracts/search?q=cultural%20preservation" title=" cultural preservation"> cultural preservation</a>, <a href="https://publications.waset.org/abstracts/search?q=healing-centered" title=" healing-centered"> healing-centered</a>, <a href="https://publications.waset.org/abstracts/search?q=public%20housing" title=" public housing"> public housing</a>, <a href="https://publications.waset.org/abstracts/search?q=relocation" title=" relocation"> relocation</a>, <a href="https://publications.waset.org/abstracts/search?q=trauma-informed" title=" trauma-informed"> trauma-informed</a> </p> <a href="https://publications.waset.org/abstracts/111309/promising-anti-displacement-practices-for-high-cost-cities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/111309.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">136</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> Critical Parameters of a Square-Well Fluid</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamza%20Javar%20Magnier">Hamza Javar Magnier</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20V.%20Woodcock"> Leslie V. Woodcock</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We report extensive molecular dynamics (MD) computational investigations into the thermodynamic description of supercritical properties for a model fluid that is the simplest realistic representation of atoms or molecules. The pair potential is a hard-sphere repulsion of diameter σ with a very short attraction of length λσ. When λ = 1.005 the range is so short that the model atoms are referred to as “adhesive spheres”. Molecular dimers, trimers …etc. up to large clusters, or droplets, of many adhesive-sphere atoms are unambiguously defined. This then defines percolation transitions at the molecular level that bound the existence of gas and liquid phases at supercritical temperatures, and which define the existence of a supercritical mesophase. Both liquid and gas phases are seen to terminate at the loci of percolation transitions, and below a second characteristic temperature (Tc2) are separated by the supercritical mesophase. An analysis of the distribution of clusters in gas, meso- and liquid phases confirms the colloidal nature of this mesophase. The general phase behaviour is compared with both experimental properties of the water-steam supercritical region and also with formally exact cluster theory of Mayer and Mayer. Both are found to be consistent with the present findings that in this system the supercritical mesophase narrows in density with increasing T > Tc and terminates at a higher Tc2 at a confluence of the primary percolation loci. The expended plot of the MD data points in the mesophase of 7 critical and supercritical isotherms in highlight this narrowing in density of the linear-slope region of the mesophase as temperature is increased above the critical. This linearity in the mesophase implies the existence of a linear combination rule between gas and liquid which is an extension of the Lever rule in the subcritical region, and can be used to obtain critical parameters without resorting to experimental data in the two-phase region. Using this combination rule, the calculated critical parameters Tc = 0.2007 and Pc = 0.0278 are found be agree with the values found by of Largo and coworkers. The properties of this supercritical mesophase are shown to be consistent with an alternative description of the phenomenon of critical opalescence seen in the supercritical region of both molecular and colloidal-protein supercritical fluids. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=critical%20opalescence" title="critical opalescence">critical opalescence</a>, <a href="https://publications.waset.org/abstracts/search?q=supercritical" title=" supercritical"> supercritical</a>, <a href="https://publications.waset.org/abstracts/search?q=square-well" title=" square-well"> square-well</a>, <a href="https://publications.waset.org/abstracts/search?q=percolation%20transition" title=" percolation transition"> percolation transition</a>, <a href="https://publications.waset.org/abstracts/search?q=critical%20parameters." title=" critical parameters."> critical parameters.</a> </p> <a href="https://publications.waset.org/abstracts/21567/critical-parameters-of-a-square-well-fluid" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21567.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">522</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> Coffee Consumption Has No Acute Effects on Glucose Metabolism in Healthy Men: A Randomized Crossover Clinical Trial</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Caio%20E.%20G.%20Reis">Caio E. G. Reis</a>, <a href="https://publications.waset.org/abstracts/search?q=Sara%20Wassell"> Sara Wassell</a>, <a href="https://publications.waset.org/abstracts/search?q=Adriana%20L.%20Porto"> Adriana L. Porto</a>, <a href="https://publications.waset.org/abstracts/search?q=Ang%C3%A9lica%20A.%20Amato"> Angélica A. Amato</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20J.%20C.%20Bluck"> Leslie J. C. Bluck</a>, <a href="https://publications.waset.org/abstracts/search?q=Teresa%20H.%20M.%20da%20Costa"> Teresa H. M. da Costa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Multiple epidemiologic studies have consistently reported association between increased coffee consumption and a lowered risk of Type 2 Diabetes Mellitus. However, the mechanisms behind this finding have not been fully elucidated. Objective: We investigate the effect of coffee (caffeinated and decaffeinated) on glucose effectiveness and insulin sensitivity using the stable isotope minimal model protocol with oral glucose administration in healthy men. Design: Fifteen healthy men underwent 5 arms randomized crossover single-blinding (researchers) clinical trial. They consumed decaffeinated coffee, caffeinated coffee (with and without sugar), and controls – water (with and without sugar) followed 1 hour by an oral glucose tolerance test (75 g of available carbohydrate) with intravenous labeled dosing interpreted by the two compartment minimal model (225 minutes). One-way ANOVA with Bonferroni adjustment were used to compare the effects of the tested beverages on glucose metabolism parameters. Results: Decaffeinated coffee resulted in 29% and 85% higher insulin sensitivity compared with caffeinated coffee and water, respectively, and the caffeinated coffee showed 15% and 60% higher glucose effectiveness compared with decaffeinated coffee and water, respectively. However, these differences were not significant (p > 0.10). In overall analyze (0 – 225 min) there were no significant differences on glucose effectiveness, insulin sensitivity, and glucose and insulin area under the curve between the groups. The beneficial effects of coffee did not seem to act in the short-term (hours) on glucose metabolism parameters mainly on insulin sensitivity indices. The benefits of coffee consumption occur in the long-term (years) as has been shown in the reduction of Type 2 Diabetes Mellitus risk in epidemiological studies. The clinical relevance of the present findings is that there is no need to avoid coffee as the drink choice for healthy people. Conclusions: The findings of this study demonstrate that the consumption of caffeinated and decaffeinated coffee with or without sugar has no acute effects on glucose metabolism in healthy men. Further researches, including long-term interventional studies, are needed to fully elucidate the mechanisms behind the coffee effects on reduced risk for Type 2 Diabetes Mellitus. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coffee" title="coffee">coffee</a>, <a href="https://publications.waset.org/abstracts/search?q=diabetes%20mellitus%20type%202" title=" diabetes mellitus type 2"> diabetes mellitus type 2</a>, <a href="https://publications.waset.org/abstracts/search?q=glucose" title=" glucose"> glucose</a>, <a href="https://publications.waset.org/abstracts/search?q=insulin" title=" insulin"> insulin</a> </p> <a href="https://publications.waset.org/abstracts/33692/coffee-consumption-has-no-acute-effects-on-glucose-metabolism-in-healthy-men-a-randomized-crossover-clinical-trial" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33692.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">436</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> Obtainment of Systems with Efavirenz and Lamellar Double Hydroxide as an Alternative for Solubility Improvement of the Drug</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Danilo%20A.%20F.%20Fontes">Danilo A. F. Fontes</a>, <a href="https://publications.waset.org/abstracts/search?q=Magaly%20A.%20M.Lyra"> Magaly A. M.Lyra</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20L.%20C.%20Moura"> Maria L. C. Moura</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20R.%20M.%20Ferraz"> Leslie R. M. Ferraz</a>, <a href="https://publications.waset.org/abstracts/search?q=Salvana%20P.%20M.%20Costa"> Salvana P. M. Costa</a>, <a href="https://publications.waset.org/abstracts/search?q=Amanda%20C.%20Q.%20M.%20Vieira"> Amanda C. Q. M. Vieira</a>, <a href="https://publications.waset.org/abstracts/search?q=Larissa%20A.%20Rolim"> Larissa A. Rolim</a>, <a href="https://publications.waset.org/abstracts/search?q=Giovanna%20C.%20R.%20M.%20Schver"> Giovanna C. R. M. Schver</a>, <a href="https://publications.waset.org/abstracts/search?q=Ping%20I.%20Lee"> Ping I. Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Severino%20Alves-J%C3%BAnior"> Severino Alves-Júnior</a>, <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20L.%20Soares-Sobrinho"> José L. Soares-Sobrinho</a>, <a href="https://publications.waset.org/abstracts/search?q=Pedro%20J.%20Rolim-Neto"> Pedro J. Rolim-Neto </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Efavirenz (EFV) is a first-choice drug in antiretroviral therapy with high efficacy in the treatment of infection by Human Immunodeficiency Virus, which causes Acquired Immune Deficiency Syndrome (AIDS). EFV has low solubility in water resulting in a decrease in the dissolution rate and, consequently, in its bioavailability. Among the technological alternatives to increase solubility, the Lamellar Double Hydroxides (LDH) have been applied in the development of systems with poorly water-soluble drugs. The use of analytical techniques such as X-Ray Diffraction (XRD), Infrared Spectroscopy (IR) and Differential Scanning Calorimetry (DSC) allowed the elucidation of drug interaction with the lamellar compounds. The objective of this work was to characterize and develop the binary systems with EFV and LDH in order to increase the solubility of the drug. The LDH-CaAl was synthesized by the method of co-precipitation from salt solutions of calcium nitrate and aluminum nitrate in basic medium. The systems EFV-LDH and their physical mixtures (PM) were obtained at different concentrations (5-60% of EFV) using the solvent technique described by Takahashi & Yamaguchi (1991). The characterization of the systems and the PM’s was performed by XRD techniques, IR, DSC and dissolution test under non-sink conditions. The results showed improvements in the solubility of EFV when associated with LDH, due to a possible change in its crystal structure and formation of an amorphous material. From the DSC results, one could see that the endothermic peak at 173°C, temperature that correspond to the melting process of EFZ in the crystal form, was present in the PM results. For the EFZ-LDH systems (with 5, 10 and 30% of drug loading), this peak was not observed. XRD profiles of the PM showed well-defined peaks for EFV. Analyzing the XRD patterns of the systems, it was found that the XRD profiles of all the systems showed complete attenuation of the characteristic peaks of the crystalline form of EFZ. The IR technique showed that, in the results of the PM, there was the appearance of one band and overlap of other bands, while the IR results of the systems with 5, 10 and 30% drug loading showed the disappearance of bands and a few others with reduced intensity. The dissolution test under non-sink conditions showed that systems with 5, 10 and 30% drug loading promoted a great increase in the solubility of EFV, but the system with 10% of drug loading was the only one that could keep substantial amount of drug in solution at different pHs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Efavirenz" title="Efavirenz">Efavirenz</a>, <a href="https://publications.waset.org/abstracts/search?q=Lamellar%20Double%20Hydroxides" title=" Lamellar Double Hydroxides"> Lamellar Double Hydroxides</a>, <a href="https://publications.waset.org/abstracts/search?q=Pharmaceutical%20Techonology" title=" Pharmaceutical Techonology"> Pharmaceutical Techonology</a>, <a href="https://publications.waset.org/abstracts/search?q=Solubility" title=" Solubility"> Solubility</a> </p> <a href="https://publications.waset.org/abstracts/25692/obtainment-of-systems-with-efavirenz-and-lamellar-double-hydroxide-as-an-alternative-for-solubility-improvement-of-the-drug" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25692.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">583</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">16</span> African Pattern Trends in Contemporary Textile and Fashion Design: Exploratory Study in African Sources and Technology in Fashion, Art, and Textiles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Leslie%20Nobler">Leslie Nobler</a> </p> <p class="card-text"><strong>Abstract:</strong></p> African fabrics based specifically on the Dutch Wax Print, or Ankara, popularized during Africa's colonial era, have had an enormous impact on western fashion (especially in the US and UK), in the last half-decade. The trend has had an effect on the world of visual arts as well, which circuitously, also heavily impacts fashion design. In fashion, and notably in celebrity apparel choices, this is in part due to ‘identity’ and taking pride in one's African roots; in the visual arts, artists such as Yinka Shonibare and Njideka Akunyili Crosby are making statements about identity politics, colonialism up through post-colonialism, and racism. The ‘global village’ brought on by the internet has driven this proliferation, as have improvements in the printing technology with which the Ankara print is made, combining wax-resist with roller printing. The newest patterns can now be designed authentically in western African and easily sent electronically to Europe for printing. Examples of Ankara's new reach across the Atlantic abound. They have taken several paths, which the paper will detail. Briefly, the first is its greater utilization in the fashion world, from authentic textile shops in African American neighborhoods to copied (knocked-off) low-end reproductions in discount chains. Secondly, we are seeing far more uses of these textiles/patterns in important works of fine arts from major museums, in Philadelphia to Palm Beach to the Mass MOCA (in the US), all the way to the Israel Museum in Jerusalem, and everywhere in between. And lastly, but quite significantly, we see this trend throughout social media thanks to Instagram, Pinterest and celebrity photos –even at the recent royal wedding. What shall sustain this major new design direction is that Ankara changes with and adapts to the times. Some of it is now printed in West Africa, often in the Nigeria area. And some may be designed in Europe or even at knock-off apparel studios in NY or Asia. But it stays utterly relevant because the motifs are based on objects and scenes in everyday life. In my design studio and university design classes, this idea is first and foremost, from our big spiritual eye motifs to drawings of our art supplies to the ‘politically-loaded’ chain patterns. This first-hand creativity experience becomes part of the research of this paper, along with historic and contemporary sources of inquiry, both through a literature/image search and anecdotal experience into what is behind this exciting and surprising trend. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=African%20wax%20print" title="African wax print">African wax print</a>, <a href="https://publications.waset.org/abstracts/search?q=Ankara" title=" Ankara"> Ankara</a>, <a href="https://publications.waset.org/abstracts/search?q=identity%20%28politics%29" title=" identity (politics)"> identity (politics)</a>, <a href="https://publications.waset.org/abstracts/search?q=textile%20design" title=" textile design"> textile design</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20design" title=" surface design"> surface design</a> </p> <a href="https://publications.waset.org/abstracts/106087/african-pattern-trends-in-contemporary-textile-and-fashion-design-exploratory-study-in-african-sources-and-technology-in-fashion-art-and-textiles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/106087.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">15</span> Directional Dust Deposition Measurements: The Influence of Seasonal Changes and the Meteorological Conditions Influencing in Witbank Area and Carletonville Area</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maphuti%20Georgina%20Kwata">Maphuti Georgina Kwata</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Coal mining in Mpumalanga Province is known of contributing to the atmospheric pollution from various activities. Gold mining in North-West Province is known of also contributing to the atmospheric pollution especially with the production of radon gas. In this research directional dust deposition gauge was used to measure source of direction and meteorological data was used to determine the wind rose blowing and the influence of the seasonal changes. Fourteen months of dust collection was undertaken in Witbank Area and Carletonville Area. The results shows that the sources of direction for Ericson Dam its East in February 2010 and Tip Area shows that the source of direction its West in October 2010. In the East direction there were mining operations, power stations which contributed to the East to be the sources of direction. In the West direction there were smelters, power stations and agricultural activities which contributed for the source of direction to be the West direction for Driefontein Mine: East Recreational Village Club. The East of Leslie Williams hospital is the source of direction which also indicated that there dust generating activities such as mining operation, agricultural activities. The meteorological results for Emalahleni Area in summer and winter the wind rose blow with wind speed of 5-10 ms-1 from the East sector. Annual average for the wind rose blow its East South eastern sector with 20 ms-1 and day time the wind rose from northwestern sector with excess of 20 ms-1. The night time wind direction East-eastern direction with a maximum wind speed of 20 ms-1. The meteorogical results for Driefontein Mine show that North-western sector and north-eastern sector wind rose is blowing with 5-10 ms-1 win speed. Day time wind blows from the West sector and night time wind blows from the north sector. In summer the wind blows North-east sector with 5-10 ms-1 and winter wind blows from North-west and it’s also predominant. In spring wind blows from north-east. The conclusion is that not only mining operation where the directional dust deposit gauge were installed contributed to the source of direction also the power stations, smelters, and other activities nearby the mining operation contributed. The recommendations are the dust suppressant for unpaved roads should be used on a regular basis and there should be monitoring of the weather conditions (the wind speed and direction prior to blasting to ensure minimal emissions). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=directional%20dust%20deposition%20gauge" title="directional dust deposition gauge">directional dust deposition gauge</a>, <a href="https://publications.waset.org/abstracts/search?q=BS%20part%205%201747%20dust%20deposit%20gauge" title=" BS part 5 1747 dust deposit gauge"> BS part 5 1747 dust deposit gauge</a>, <a href="https://publications.waset.org/abstracts/search?q=wind%20rose" title=" wind rose"> wind rose</a>, <a href="https://publications.waset.org/abstracts/search?q=wind%20blowing" title=" wind blowing"> wind blowing</a> </p> <a href="https://publications.waset.org/abstracts/23436/directional-dust-deposition-measurements-the-influence-of-seasonal-changes-and-the-meteorological-conditions-influencing-in-witbank-area-and-carletonville-area" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23436.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">506</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> Informed Urban Design: Minimizing Urban Heat Island Intensity via Stochastic Optimization</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Luis%20Guilherme%20Resende%20Santos">Luis Guilherme Resende Santos</a>, <a href="https://publications.waset.org/abstracts/search?q=Ido%20Nevat"> Ido Nevat</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20Norford"> Leslie Norford</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Urban Heat Island (UHI) is characterized by increased air temperatures in urban areas compared to undeveloped rural surrounding environments. With urbanization and densification, the intensity of UHI increases, bringing negative impacts on livability, health and economy. In order to reduce those effects, it is required to take into consideration design factors when planning future developments. Given design constraints such as population size and availability of area for development, non-trivial decisions regarding the buildings’ dimensions and their spatial distribution are required. We develop a framework for optimization of urban design in order to jointly minimize UHI intensity and buildings’ energy consumption. First, the design constraints are defined according to spatial and population limits in order to establish realistic boundaries that would be applicable in real life decisions. Second, the tools Urban Weather Generator (UWG) and EnergyPlus are used to generate outputs of UHI intensity and total buildings’ energy consumption, respectively. Those outputs are changed based on a set of variable inputs related to urban morphology aspects, such as building height, urban canyon width and population density. Lastly, an optimization problem is cast where the utility function quantifies the performance of each design candidate (e.g. minimizing a linear combination of UHI and energy consumption), and a set of constraints to be met is set. Solving this optimization problem is difficult, since there is no simple analytic form which represents the UWG and EnergyPlus models. We therefore cannot use any direct optimization techniques, but instead, develop an indirect “black box” optimization algorithm. To this end we develop a solution that is based on stochastic optimization method, known as the Cross Entropy method (CEM). The CEM translates the deterministic optimization problem into an associated stochastic optimization problem which is simple to solve analytically. We illustrate our model on a typical residential area in Singapore. Due to fast growth in population and built area and land availability generated by land reclamation, urban planning decisions are of the most importance for the country. Furthermore, the hot and humid climate in the country raises the concern for the impact of UHI. The problem presented is highly relevant to early urban design stages and the objective of such framework is to guide decision makers and assist them to include and evaluate urban microclimate and energy aspects in the process of urban planning. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=building%20energy%20consumption" title="building energy consumption">building energy consumption</a>, <a href="https://publications.waset.org/abstracts/search?q=stochastic%20optimization" title=" stochastic optimization"> stochastic optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=urban%20design" title=" urban design"> urban design</a>, <a href="https://publications.waset.org/abstracts/search?q=urban%20heat%20island" title=" urban heat island"> urban heat island</a>, <a href="https://publications.waset.org/abstracts/search?q=urban%20weather%20generator" title=" urban weather generator"> urban weather generator</a> </p> <a href="https://publications.waset.org/abstracts/102185/informed-urban-design-minimizing-urban-heat-island-intensity-via-stochastic-optimization" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102185.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">131</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> De novo Transcriptome Assembly of Lumpfish (Cyclopterus lumpus L.) Brain Towards Understanding their Social and Cognitive Behavioural Traits</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Likith%20Reddy%20Pinninti">Likith Reddy Pinninti</a>, <a href="https://publications.waset.org/abstracts/search?q=Fredrik%20Ribsskog%20Staven"> Fredrik Ribsskog Staven</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20Robert%20Noble"> Leslie Robert Noble</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Manuel%20de%20Oliveira%20Fernandes"> Jorge Manuel de Oliveira Fernandes</a>, <a href="https://publications.waset.org/abstracts/search?q=Deepti%20Manjari%20Patel"> Deepti Manjari Patel</a>, <a href="https://publications.waset.org/abstracts/search?q=Torstein%20Kristensen"> Torstein Kristensen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Understanding fish behavior is essential to improve animal welfare in aquaculture research. Behavioral traits can have a strong influence on fish health and habituation. To identify the genes and biological pathways responsible for lumpfish behavior, we performed an experiment to understand the interspecies relationship (mutualism) between the lumpfish and salmon. Also, we tested the correlation between the gene expression data vs. observational/physiological data to know the essential genes that trigger stress and swimming behavior in lumpfish. After the de novo assembly of the brain transcriptome, all the samples were individually mapped to the available lumpfish (Cyclopterus lumpus L.) primary genome assembly (fCycLum1.pri, GCF_009769545.1). Out of ~16749 genes expressed in brain samples, we found 267 genes to be statistically significant (P > 0.05) found only in odor and control (1), model and control (41) and salmon and control (225) groups. However, genes with |LogFC| ≥0.5 were found to be only eight; these are considered as differentially expressed genes (DEG’s). Though, we are unable to find the differential genes related to the behavioral traits from RNA-Seq data analysis. From the correlation analysis, between the gene expression data vs. observational/physiological data (serotonin (5HT), dopamine (DA), 3,4-Dihydroxyphenylacetic acid (DOPAC), 5-hydroxy indole acetic acid (5-HIAA), Noradrenaline (NORAD)). We found 2495 genes found to be significant (P > 0.05) and among these, 1587 genes are positively correlated with the Noradrenaline (NORAD) hormone group. This suggests that Noradrenaline is triggering the change in pigmentation and skin color in lumpfish. Genes related to behavioral traits like rhythmic, locomotory, feeding, visual, pigmentation, stress, response to other organisms, taxis, dopamine synthesis and other neurotransmitter synthesis-related genes were obtained from the correlation analysis. In KEGG pathway enrichment analysis, we find important pathways, like the calcium signaling pathway and adrenergic signaling in cardiomyocytes, both involved in cell signaling, behavior, emotion, and stress. Calcium is an essential signaling molecule in the brain cells; it could affect the behavior of fish. Our results suggest that changes in calcium homeostasis and adrenergic receptor binding activity lead to changes in fish behavior during stress. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=behavior" title="behavior">behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=De%20novo" title=" De novo"> De novo</a>, <a href="https://publications.waset.org/abstracts/search?q=lumpfish" title=" lumpfish"> lumpfish</a>, <a href="https://publications.waset.org/abstracts/search?q=salmon" title=" salmon"> salmon</a> </p> <a href="https://publications.waset.org/abstracts/141908/de-novo-transcriptome-assembly-of-lumpfish-cyclopterus-lumpus-l-brain-towards-understanding-their-social-and-cognitive-behavioural-traits" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141908.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">173</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> Trajectories of Conduct Problems and Cumulative Risk from Early Childhood to Adolescence</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Leslie%20M.%20Gutman">Leslie M. Gutman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Conduct problems (CP) represent a major dilemma, with wide-ranging and long-lasting individual and societal impacts. Children experience heterogeneous patterns of conduct problems; based on the age of onset, developmental course and related risk factors from around age 3. Early childhood represents a potential window for intervention efforts aimed at changing the trajectory of early starting conduct problems. Using the UK Millennium Cohort Study (n = 17,206 children), this study (a) identifies trajectories of conduct problems from ages 3 to 14 years and (b) assesses the cumulative and interactive effects of individual, family and socioeconomic risk factors from ages 9 months to 14 years. The same factors according to three domains were assessed, including child (i.e., low verbal ability, hyperactivity/inattention, peer problems, emotional problems), family (i.e., single families, parental poor physical and mental health, large family size) and socioeconomic (i.e., low family income, low parental education, unemployment, social housing). A cumulative risk score for the child, family, and socioeconomic domains at each age was calculated. It was then examined how the cumulative risk scores explain variation in the trajectories of conduct problems. Lastly, interactive effects among the different domains of cumulative risk were tested. Using group-based trajectory modeling, four distinct trajectories were found including a ‘low’ problem group and three groups showing childhood-onset conduct problems: ‘school-age onset’; ‘early-onset, desisting’; and ‘early-onset, persisting’. The ‘low’ group (57% of the sample) showed a low probability of conducts problems, close to zero, from 3 to 14 years. The ‘early-onset, desisting’ group (23% of the sample) demonstrated a moderate probability of CP in early childhood, with a decline from 3 to 5 years and a low probability thereafter. The ‘early-onset, persistent’ group (8%) followed a high probability of conduct problems, which declined from 11 years but was close to 70% at 14 years. In the ‘school-age onset’ group, 12% of the sample showed a moderate probability of conduct problems from 3 and 5 years, with a sharp increase by 7 years, increasing to 50% at 14 years. In terms of individual risk, all factors increased the likelihood of being in the childhood-onset groups compared to the ‘low’ group. For cumulative risk, the socioeconomic domain at 9 months and 3 years, the family domain at all ages except 14 years and child domain at all ages were found to differentiate childhood-onset groups from the ‘low’ group. Cumulative risk at 9 months and 3 years did not differentiate between the ‘school-onset’ group and ‘low’ group. Significant interactions were found between the domains for the ‘early-onset, desisting group’ suggesting that low levels of risk in one domain may buffer the effects of high risk in another domain. The implications of these findings for preventive interventions will be highlighted. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=conduct%20problems" title="conduct problems">conduct problems</a>, <a href="https://publications.waset.org/abstracts/search?q=cumulative%20risk" title=" cumulative risk"> cumulative risk</a>, <a href="https://publications.waset.org/abstracts/search?q=developmental%20trajectories" title=" developmental trajectories"> developmental trajectories</a>, <a href="https://publications.waset.org/abstracts/search?q=early%20childhood" title=" early childhood"> early childhood</a>, <a href="https://publications.waset.org/abstracts/search?q=adolescence" title=" adolescence"> adolescence</a> </p> <a href="https://publications.waset.org/abstracts/89082/trajectories-of-conduct-problems-and-cumulative-risk-from-early-childhood-to-adolescence" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/89082.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">251</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">‹</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=Leslie%20J.%20Quiocho&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Leslie%20J.%20Quiocho&page=2" rel="next">›</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a 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