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Azimi</title> <meta name="description" content="Search results for: Gholamhassan Azimi"> <meta name="keywords" content="Gholamhassan Azimi"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Gholamhassan Azimi"> <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> 25</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Gholamhassan Azimi</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">25</span> MIL-88b(Fe)-MOF Grafted Carbon Dot Nanocomposites as Effective Photocatalysts for Fenton-Like Photodegradation of Amphotericin B and Naproxen Under Visible Light Irradiation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Payam%20Hayati">Payam Hayati</a>, <a href="https://publications.waset.org/abstracts/search?q=Fateme%20Firoozbakht"> Fateme Firoozbakht</a>, <a href="https://publications.waset.org/abstracts/search?q=Gholamhassan%20Azimi"> Gholamhassan Azimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Shahram%20Tangestaninejad"> Shahram Tangestaninejad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The synthesis of a photocatalytic adsorbent involved the integration of carbon dots (CD) into a metal-organic framework (MOF) of MIL-88B(Fe) using the solvothermal technique. Characterization of the resulting CD@MIL-88B(Fe) was conducted using various analytical methods, including X-ray-based microscopic and spectroscopic techniques, electrochemical impedance spectroscopy, UV–Vis, FT-IR, DRS, TGA, and photoluminescence (PL) analysis. The adsorbent demonstrated significant photocatalytic activity, achieving up to 92% and 90% removal of amphotericin B (AmB) and naproxen (Nap) from aqueous solutions under visible light, with an RSD value of around 5%. The study explored the factors influencing the degradation of pharmaceuticals and determined the optimal conditions for the process, including pH values of 3 and 4 for AmB and Nap, a photocatalyst concentration of 0.2 g L-1, and an H2O2 concentration ranging from 40 to 50 mM. Reactive oxidative species such as ⋅OH and ⋅O2 were identified through the examination of different scavengers. Additionally, the adsorption isotherm and kinetic studies revealed that the synthesized photocatalyst functions as an effective adsorbent, with maximum adsorption capacities of 42.5 and 121.5 mg g-1 for AmB and Nap, while also serving as a photocatalytic agent for removal purposes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fenton-like%20degradation" title="fenton-like degradation">fenton-like degradation</a>, <a href="https://publications.waset.org/abstracts/search?q=metal-organic%20frameworks" title=" metal-organic frameworks"> metal-organic frameworks</a>, <a href="https://publications.waset.org/abstracts/search?q=heterogenous%20photocatalysts" title=" heterogenous photocatalysts"> heterogenous photocatalysts</a>, <a href="https://publications.waset.org/abstracts/search?q=naproxen" title=" naproxen"> naproxen</a> </p> <a href="https://publications.waset.org/abstracts/178142/mil-88bfe-mof-grafted-carbon-dot-nanocomposites-as-effective-photocatalysts-for-fenton-like-photodegradation-of-amphotericin-b-and-naproxen-under-visible-light-irradiation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/178142.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">76</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">24</span> Modelling of Pervaporation Separation of Butanol from Aqueous Solutions Using Polydimethylsiloxane Mixed Matrix Membranes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arian%20Ebneyamini">Arian Ebneyamini</a>, <a href="https://publications.waset.org/abstracts/search?q=Hoda%20Azimi"> Hoda Azimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Jules%20Thibaults"> Jules Thibaults</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Handan%20Tezel"> F. Handan Tezel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, a modification of Hennepe model for pervaporation separation of butanol from aqueous solutions using Polydimethylsiloxane (PDMS) mixed matrix membranes has been introduced and validated by experimental data. The model was compared to the original Hennepe model and few other models which are applicable for membrane gas separation processes such as Maxwell, Lewis Nielson and Pal. Theoretical modifications for non-ideal interface morphology have been offered to predict the permeability in case of interface void, interface rigidification and pore-blockage. The model was in a good agreement with experimental data. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=butanol" title="butanol">butanol</a>, <a href="https://publications.waset.org/abstracts/search?q=PDMS" title=" PDMS"> PDMS</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=pervaporation" title=" pervaporation"> pervaporation</a>, <a href="https://publications.waset.org/abstracts/search?q=mixed%20matrix%20membranes" title=" mixed matrix membranes"> mixed matrix membranes</a> </p> <a href="https://publications.waset.org/abstracts/55658/modelling-of-pervaporation-separation-of-butanol-from-aqueous-solutions-using-polydimethylsiloxane-mixed-matrix-membranes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/55658.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">221</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 New OvS Approach in Assembly Line Balancing Problem </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=P.%20Azimi">P. Azimi</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Behtoiy"> B. Behtoiy</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20A.%20Najafi"> A. A. Najafi</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20R.%20Charmchi"> H. R. Charmchi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> According to the previous studies, one of the most famous techniques which affect the efficiency of a production line is the assembly line balancing (ALB) technique. This paper examines the balancing effect of a whole production line of a real auto glass manufacturer in three steps. In the first step, processing time of each activity in the workstations is generated according to a practical approach. In the second step, the whole production process is simulated and the bottleneck stations have been identified, and finally in the third step, several improvement scenarios are generated to optimize the system throughput, and the best one is proposed. The main contribution of the current research is the proposed framework which combines two famous approaches including Assembly Line Balancing and Optimization via Simulation technique (OvS). The results show that the proposed framework could be applied in practical environments, easily. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=assembly%20line%20balancing%20problem" title="assembly line balancing problem">assembly line balancing problem</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization%20via%20simulation" title=" optimization via simulation"> optimization via simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=production%20planning" title=" production planning"> production planning</a> </p> <a href="https://publications.waset.org/abstracts/24107/a-new-ovs-approach-in-assembly-line-balancing-problem" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24107.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">526</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> Assessment of Environmental Impacts and Determination of Sustainability Level of BOOG Granite Mine Using a Mathematical Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gholamhassan%20Kakha">Gholamhassan Kakha</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohsen%20Jami"> Mohsen Jami</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Alex%20Merino%20Natorce"> Daniel Alex Merino Natorce</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sustainable development refers to the creation of a balance between the development and the environment too; it consists of three key principles namely environment, society and economy. These three parameters are related to each other and the imbalance occurs in each will lead to the disparity of the other parts. Mining is one of the most important tools of the economic growth and social welfare in many countries. Meanwhile, assessment of the environmental impacts has directed to the attention of planners toward the natural environment of the areas surrounded by mines and allowing for monitoring and controlling of the current situation by the designers. In this look upon, a semi-quantitative model using a matrix method is presented for assessing the environmental impacts in the BOOG Granite Mine located in Sistan and Balouchestan, one of the provinces of Iran for determining the effective factors and environmental components. For accomplishing this purpose, the initial data are collected by the experts at the next stage; the effect of the factors affects each environmental component is determined by specifying the qualitative viewpoints. Based on the results, factors including air quality, ecology, human health and safety along with the environmental damages resulted from mining activities in that area. Finally, the results gained from the assessment of the environmental impact are used to evaluate the sustainability by using Philips mathematical model. The results show that the sustainability of this area is weak, so environmental preventive measures are recommended to reduce the environmental damages to its components. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sustainable%20development" title="sustainable development">sustainable development</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20impacts%27%20assessment" title=" environmental impacts' assessment"> environmental impacts' assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=BOOG%20granite" title=" BOOG granite"> BOOG granite</a>, <a href="https://publications.waset.org/abstracts/search?q=Philips%20mathematical%20model" title=" Philips mathematical model"> Philips mathematical model</a> </p> <a href="https://publications.waset.org/abstracts/92792/assessment-of-environmental-impacts-and-determination-of-sustainability-level-of-boog-granite-mine-using-a-mathematical-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/92792.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">197</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> Identity and Ethnic Conflicts in Afghanistan: Diversity as a Cultural Treasure</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Morteza%20Azimi">Morteza Azimi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In Afghanistan, as a multi-ethnic country, there have been ethnic conflicts, especially after 2001. These conflicts are more visible among the four main ethnicities Pashtun, Tajik, Hazara, and Uzbek. In this paper, such ethnic conflicts and their roles in the political sphere will be discussed. The distribution of personal electronic ID cards, for example, has been one of the most controversial and unsuccessful projects in Afghanistan. As a result, the lack of clear population statistics has led to several corrupted and unsuccessful presidential elections since 2001. The nation-building process in post-Taliban Afghanistan, as well as the Afghan government’s failure to build a nation, are discussed. By referring to the hybridity theory of Homi Bhabha, it is argued that the process of assimilation for nation-building has not only failed but has deepened ethnic divisions. In the end, some suggestions and solutions for making the most out of ethnic diversity rather than suffering from it will be provided. It will be argued that diversity or difference improves the freedom of choices for groups and individuals; it boosts agency in comparison with life in an assimilated, coherent, and homogeneous society. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Afghan%20identity" title="Afghan identity">Afghan identity</a>, <a href="https://publications.waset.org/abstracts/search?q=ethnicity" title=" ethnicity"> ethnicity</a>, <a href="https://publications.waset.org/abstracts/search?q=nation-building" title=" nation-building"> nation-building</a>, <a href="https://publications.waset.org/abstracts/search?q=political%20system" title=" political system"> political system</a>, <a href="https://publications.waset.org/abstracts/search?q=self%20and%20other" title=" self and other"> self and other</a> </p> <a href="https://publications.waset.org/abstracts/134877/identity-and-ethnic-conflicts-in-afghanistan-diversity-as-a-cultural-treasure" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/134877.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">235</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> A Comparative Study of Social Entrepreneurship Centers in Universities of the World</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Farnoosh%20Alami">Farnoosh Alami</a>, <a href="https://publications.waset.org/abstracts/search?q=Nazgol%20Azimi"> Nazgol Azimi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Universities have recently paid much attention to the subject of social entrepreneurship. As a result, many of the highly ranked universities have established centers in this regard. The present research aims to investigate vision and mission of social entrepreneurship centers of the best universities ranked under 50 by Shanghai List 2013. It tries to find the common goals and features of their mission, vision, and activities which lead to their present success. This investigation is based on the web content of the first top 10 universities; among which six had social entrepreneurship centers. This is a qualitative research, and the findings are based on content analysis of documents. The findings confirm that education, research, talent development, innovative solutions, and supporting social innovation, are shared in the vision of these centers. In regard to their missions, social participation, networking, and leader education are the most shared features. Their common activities are focused on five categories of education, research, support, promotion, and networking. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=comparative%20study" title="comparative study">comparative study</a>, <a href="https://publications.waset.org/abstracts/search?q=qualitative%20research" title=" qualitative research"> qualitative research</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20entrepreneurship%20centers" title=" social entrepreneurship centers"> social entrepreneurship centers</a>, <a href="https://publications.waset.org/abstracts/search?q=universities%20in%20the%20world" title=" universities in the world"> universities in the world</a> </p> <a href="https://publications.waset.org/abstracts/79424/a-comparative-study-of-social-entrepreneurship-centers-in-universities-of-the-world" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/79424.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">297</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">19</span> Evaluating the Performance of Existing Full-Reference Quality Metrics on High Dynamic Range (HDR) Video Content</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Azimi">Maryam Azimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Amin%20Banitalebi-Dehkordi"> Amin Banitalebi-Dehkordi</a>, <a href="https://publications.waset.org/abstracts/search?q=Yuanyuan%20Dong"> Yuanyuan Dong</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahsa%20T.%20Pourazad"> Mahsa T. Pourazad</a>, <a href="https://publications.waset.org/abstracts/search?q=Panos%20Nasiopoulos"> Panos Nasiopoulos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> While there exists a wide variety of Low Dynamic Range (LDR) quality metrics, only a limited number of metrics are designed specifically for the High Dynamic Range (HDR) content. With the introduction of HDR video compression standardization effort by international standardization bodies, the need for an efficient video quality metric for HDR applications has become more pronounced. The objective of this study is to compare the performance of the existing full-reference LDR and HDR video quality metrics on HDR content and identify the most effective one for HDR applications. To this end, a new HDR video data set is created, which consists of representative indoor and outdoor video sequences with different brightness, motion levels and different representing types of distortions. The quality of each distorted video in this data set is evaluated both subjectively and objectively. The correlation between the subjective and objective results confirm that VIF quality metric outperforms all to their tested metrics in the presence of the tested types of distortions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=HDR" title="HDR">HDR</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic%20range" title=" dynamic range"> dynamic range</a>, <a href="https://publications.waset.org/abstracts/search?q=LDR" title=" LDR"> LDR</a>, <a href="https://publications.waset.org/abstracts/search?q=subjective%20evaluation" title=" subjective evaluation"> subjective evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=video%20compression" title=" video compression"> video compression</a>, <a href="https://publications.waset.org/abstracts/search?q=HEVC" title=" HEVC"> HEVC</a>, <a href="https://publications.waset.org/abstracts/search?q=video%20quality%20metrics" title=" video quality metrics"> video quality metrics</a> </p> <a href="https://publications.waset.org/abstracts/18171/evaluating-the-performance-of-existing-full-reference-quality-metrics-on-high-dynamic-range-hdr-video-content" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18171.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">524</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> Development of a Suitable Model for Energy Storage in Residential Buildings in Ahvaz Using Energy Plus Software</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Farideh%20Azimi">Farideh Azimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Sam%20Vahedi%20Tafreshi"> Sam Vahedi Tafreshi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research tries to study the residential buildings in Ahvaz, the common materials used, and the impact of passive methods of energy storage (as one of the most effective ways to reduce energy consumption in residential complexes) in order to achieve patterns for construction of residential buildings in Ahvaz conditions to reduce energy consumption. In this research, after studying Ahvaz conditions, the components of an existing building were simulated in Energy Plus software, and the climatic data of Ahvaz station was introduced to software. Then to achieve the most optimal conditions of energy consumption in Ahvaz conditions, each of the residential building elements was optimized. The results of simulation showed that using inactive materials and design including double glass, outside wall insulation, inverted roof, etc. in the buildings can reduce energy consumption in the hot and dry climate of Ahvaz. Among the parameters investigated, the inverted roof was the most effective energy saving pattern. According to the results of simulation of the entire building with the most optimal parameters, energy consumption can be saved by a mean of 12.51% in buildings of Ahvaz, and the obtained pattern can also be used in similar climates. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=residential%20buildings" title="residential buildings">residential buildings</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20comfort" title=" thermal comfort"> thermal comfort</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20storage" title=" energy storage"> energy storage</a>, <a href="https://publications.waset.org/abstracts/search?q=Energy%20Plus%20software" title=" Energy Plus software"> Energy Plus software</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahvaz" title=" Ahvaz"> Ahvaz</a> </p> <a href="https://publications.waset.org/abstracts/72133/development-of-a-suitable-model-for-energy-storage-in-residential-buildings-in-ahvaz-using-energy-plus-software" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72133.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">359</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">17</span> Ethnographic Exploration of Elderly Residents' Perceptions and Utilization of Health Care to Improve Their Quality of Life</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Ziya%20Tabatabaei">Seyed Ziya Tabatabaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Azimi%20Bin%20Hj%20Hamzah"> Azimi Bin Hj Hamzah</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatemeh%20Ebrahimi"> Fatemeh Ebrahimi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The increase in proportion of older people in Malaysia has led to a significant growth of health care demands. The aim of this study is to explore how perceived health care needs influence on quality of life among elderly Malay residents who reside in a Malaysian residential home. This study employed a method known as ethnographic research from May 2011 to January 2012. Four data collection strategies were selected as the main data-collecting tools including participant observation, field notes, in-depth interviews, and review of related documents. The nine knowledgeable participants for the present study were selected using the purposive sampling method. Two themes were identified: (1) Medical concerns: Feeling secure, lack of information, inadequate medical staff; and (2) Health promotion: Body condition, health education, physiotherapy and rehabilitation. These results could evoke the attention of policy-makers and care providers to better meet elderly residents’ health care needs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ethnographic%20study" title="ethnographic study">ethnographic study</a>, <a href="https://publications.waset.org/abstracts/search?q=health%20care%20needs" title=" health care needs"> health care needs</a>, <a href="https://publications.waset.org/abstracts/search?q=Malay%20elderly%20people" title=" Malay elderly people"> Malay elderly people</a>, <a href="https://publications.waset.org/abstracts/search?q=Malaysia" title=" Malaysia"> Malaysia</a>, <a href="https://publications.waset.org/abstracts/search?q=Quality%20of%20life" title=" Quality of life"> Quality of life</a>, <a href="https://publications.waset.org/abstracts/search?q=Residential%20home" title=" Residential home"> Residential home</a> </p> <a href="https://publications.waset.org/abstracts/38003/ethnographic-exploration-of-elderly-residents-perceptions-and-utilization-of-health-care-to-improve-their-quality-of-life" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38003.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">296</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> CFD Modeling of Mixing Enhancement in a Pitted Micromixer by High Frequency Ultrasound Waves </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Faezeh%20Mohammadi">Faezeh Mohammadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ebrahim%20Ebrahimi"> Ebrahim Ebrahimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Neda%20Azimi"> Neda Azimi </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Use of ultrasound waves is one of the techniques for increasing the mixing and mass transfer in the microdevices. Ultrasound propagation into liquid medium leads to stimulation of the fluid, creates turbulence and so increases the mixing performance. In this study, CFD modeling of two-phase flow in a pitted micromixer equipped with a piezoelectric with frequency of 1.7 MHz has been studied. CFD modeling of micromixer at different velocity of fluid flow in the absence of ultrasound waves and with ultrasound application has been performed. The hydrodynamic of fluid flow and mixing efficiency for using ultrasound has been compared with the layout of no ultrasound application. The result of CFD modeling shows well agreements with the experimental results. The results showed that the flow pattern inside the micromixer in the absence of ultrasound waves is parallel, while when ultrasound has been applied, it is not parallel. In fact, propagation of ultrasound energy into the fluid flow in the studied micromixer changed the hydrodynamic and the forms of the flow pattern and caused to mixing enhancement. In general, from the CFD modeling results, it can be concluded that the applying ultrasound energy into the liquid medium causes an increase in the turbulences and mixing and consequently, improves the mass transfer rate within the micromixer. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CFD%20modeling" title="CFD modeling">CFD modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=ultrasound" title=" ultrasound"> ultrasound</a>, <a href="https://publications.waset.org/abstracts/search?q=mixing" title=" mixing"> mixing</a>, <a href="https://publications.waset.org/abstracts/search?q=mass%20transfer" title=" mass transfer"> mass transfer</a> </p> <a href="https://publications.waset.org/abstracts/102598/cfd-modeling-of-mixing-enhancement-in-a-pitted-micromixer-by-high-frequency-ultrasound-waves" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102598.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">182</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> Cylindrical Spacer Shape Optimization for Enhanced Inhalation Therapy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shahab%20Azimi">Shahab Azimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Siamak%20Arzanpour"> Siamak Arzanpour</a>, <a href="https://publications.waset.org/abstracts/search?q=Anahita%20Sayyar"> Anahita Sayyar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Asthma and Chronic obstructive pulmonary disease (COPD) are common lung diseases that have a significant global impact. Pressurized metered dose inhalers (pMDIs) are widely used for treatment, but they can have limitations such as high medication release speed resulting in drug deposition in the mouth or oral cavity and difficulty achieving proper synchronization with inhalation by users. Spacers are add-on devices that improve the efficiency of pMDIs by reducing the release speed and providing space for aerosol particle breakup to have finer and medically effective medication. The aim of this study is to optimize the size and cylindrical shape of spacers to enhance their drug delivery performance. The study was based on fluid dynamics theory and employed Ansys software for simulation and optimization. Results showed that optimization of the spacer's geometry greatly influenced its performance and improved drug delivery. This study provides a foundation for future research on enhancing the efficiency of inhalation therapy for lung diseases. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=asthma" title="asthma">asthma</a>, <a href="https://publications.waset.org/abstracts/search?q=COPD" title=" COPD"> COPD</a>, <a href="https://publications.waset.org/abstracts/search?q=pressurized%20metered%20dose%20inhalers" title=" pressurized metered dose inhalers"> pressurized metered dose inhalers</a>, <a href="https://publications.waset.org/abstracts/search?q=spacers" title=" spacers"> spacers</a>, <a href="https://publications.waset.org/abstracts/search?q=CFD" title=" CFD"> CFD</a>, <a href="https://publications.waset.org/abstracts/search?q=shape%20optimization" title=" shape optimization"> shape optimization</a> </p> <a href="https://publications.waset.org/abstracts/162972/cylindrical-spacer-shape-optimization-for-enhanced-inhalation-therapy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162972.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">97</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> In-situ Fabrication of a Metal-Intermetallic Composite: Microstructure Evolution and Mechanical Response</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Monireh%20Azimi">Monireh Azimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Reza%20Toroghinejad"> Mohammad Reza Toroghinejad</a>, <a href="https://publications.waset.org/abstracts/search?q=Leo%20A.%20I.%20Kestens"> Leo A. I. Kestens</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The role of different metallic and intermetallic reinforcements on the microstructure and the associated mechanical response of a composite is of crucial importance. To investigate this issue, a multiphase metal-intermetallic composite was in-situ fabricated through reactive annealing and accumulative roll bonding (ARB) processes. EBSD results indicated that the lamellar grain structure of the Al matrix after the first cycle has evolved with increasing strain to a mixed structure consisting of equiaxed and lamellar grains, whereby the steady-state did not occur after the 3rd (last) cycle—applying a strain of 6.1 in the Al phase, the length and thickness of the grains reduced by 92.2% and 97.3%, respectively, compared to the annealed state. Intermetallic phases together with the metallic reinforcement of Ni influence grain fragmentation of the Al matrix and give rise to a specific texture evolution by creating heterogeneity in the strain and flow patterns. Mechanical properties of the multiphase composite demonstrated the yield and ultimate tensile strengths of 217.9 MPa and 340.1 MPa, respectively, compared to 48.7 MPa and 55.4 MPa in the metal-intermetallic laminated (MIL) sandwich before applying the ARB process, which corresponds to an increase of 347% and 514% of yield and tensile strength, respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=accumulative%20roll%20bonding" title="accumulative roll bonding">accumulative roll bonding</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20properties" title=" mechanical properties"> mechanical properties</a>, <a href="https://publications.waset.org/abstracts/search?q=metal-intermetallic%20composite" title=" metal-intermetallic composite"> metal-intermetallic composite</a>, <a href="https://publications.waset.org/abstracts/search?q=severe%20plastic%20deformation" title=" severe plastic deformation"> severe plastic deformation</a>, <a href="https://publications.waset.org/abstracts/search?q=texture" title=" texture"> texture</a> </p> <a href="https://publications.waset.org/abstracts/140420/in-situ-fabrication-of-a-metal-intermetallic-composite-microstructure-evolution-and-mechanical-response" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/140420.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">194</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">13</span> An Optimal Approach for Full-Detailed Friction Model Identification of Reaction Wheel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ghasem%20Sharifi">Ghasem Sharifi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamed%20Shahmohamadi%20Ousaloo"> Hamed Shahmohamadi Ousaloo</a>, <a href="https://publications.waset.org/abstracts/search?q=Milad%20Azimi"> Milad Azimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehran%20Mirshams"> Mehran Mirshams</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The ever-increasing use of satellites demands a search for increasingly accurate and reliable pointing systems. Reaction wheels are rotating devices used commonly for the attitude control of the spacecraft since provide a wide range of torque magnitude and high reliability. The numerical modeling of this device can significantly enhance the accuracy of the satellite control in space. Modeling the wheel rotation in the presence of the various frictions is one of the critical parts of this approach. This paper presents a Dynamic Model Control of a Reaction Wheel (DMCR) in the current control mode. In current-mode, the required current is delivered to the coils in order to achieve the desired torque. During this research, all the friction parameters as viscous and coulomb, motor coefficient, resistance and voltage constant are identified. In order to model identification of a reaction wheel, numerous varying current commands apply on the particular wheel to verify the estimated model. All the parameters of DMCR are identified by classical Levenberg-Marquardt (CLM) optimization method. The experimental results demonstrate that the developed model has an appropriate precise and can be used in the satellite control simulation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=experimental%20modeling" title="experimental modeling">experimental modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=friction%20parameters" title=" friction parameters"> friction parameters</a>, <a href="https://publications.waset.org/abstracts/search?q=model%20identification" title=" model identification"> model identification</a>, <a href="https://publications.waset.org/abstracts/search?q=reaction%20wheel" title=" reaction wheel"> reaction wheel</a> </p> <a href="https://publications.waset.org/abstracts/105328/an-optimal-approach-for-full-detailed-friction-model-identification-of-reaction-wheel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/105328.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">233</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> Behavior of Oil Palm Shell Reinforced Concrete Beams Added with Kenaf Fibres</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sharifah%20M.%20Syed%20Mohsin">Sharifah M. Syed Mohsin</a>, <a href="https://publications.waset.org/abstracts/search?q=Sayid%20J.%20Azimi"> Sayid J. Azimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdoullah%20Namdar"> Abdoullah Namdar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present article reports the findings of a study into the behavior of oil palm shell reinforced concrete (OPSRC) beams with the addition of kenaf fibres. The work aim is to examine the potential of using kenaf fibres to improve the strength and ductility of the OPSRC beams and also observe its potential in serving as part of shear reinforcement in the beams. Two different arrangements of the shear links in OPSRC beams with a selection of kenaf fibres (amount of [10kg/m] ^3 and [20kg/m] ^3) content are tested under monotonic loading. In the first arrangement, the kenaf fibres are added to the beam which has full shear reinforcement to study the structural behavior of OPSRC beams with fibres. In the second arrangement, the spacing between the shear links in the OPSRC beams are increased by 50% and experimental work is carried out to study the effect of kenaf fibres without compromising the beams strength and ductility. The results show that the addition of kenaf fibres enhanced the load carrying capacity, ductility and also altered the failure mode of the beams from a brittle shear mode to a flexural ductile one. Furthermore, the study depicts that kenaf fibres are compatible with OPSRC and suggest prospective results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=oil%20palm%20shell%20reinforced%20concrete" title="oil palm shell reinforced concrete">oil palm shell reinforced concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=kenaf%20fibres" title=" kenaf fibres"> kenaf fibres</a>, <a href="https://publications.waset.org/abstracts/search?q=peak%20strength" title=" peak strength"> peak strength</a>, <a href="https://publications.waset.org/abstracts/search?q=ductility" title=" ductility"> ductility</a> </p> <a href="https://publications.waset.org/abstracts/5706/behavior-of-oil-palm-shell-reinforced-concrete-beams-added-with-kenaf-fibres" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5706.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">431</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">11</span> Postmodernism and Metanarrative: Deconstruction of Narrative in a Song of Ice and Fire Fantasy TV Series</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Narjes%20Azimi">Narjes Azimi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> It has been a while that narrative and storytelling turned to be the inevitable part of media. The narrative has so many aspects and among those entire aspects, the fantasy genre is consciously challenging one as fantasy readers are used to reading narratives like good versus evil plot. This paper will analyze the ASOIF TV series as a Meta narrative cultural production that deconstructs the elements of a traditional narrative. This study will shade on a grand narrative perspective from poststructuralism point of view. The theoretical framework is structuralism and post structuralism. Lyotard and Barthes are two main poststructuralists and focus of the study. Lyotard grand narrative elements will analyze in this research study. Fantasy genre generated a number of outstanding authors that explore innovative perspectives. Among all these leading authors George R.R Martin is one of the best. George R. R. Martin’s Fantasy a Song of Ice and Fire picturized the brutal world that seven kingdoms struggling for the power. Since 2011 this production has been followed and watched by millions of audiences all around the world. The methodology is the textual analysis of selected scenes. Martin’s distinctive fantasy style which makes it different from other fantasies, yet this shift does not negate how the previous fantasy writers represent the mentioned concepts of war, and etc., but Martin’ fantasy and left the mature audiences full of uncertainty. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=narrative%20theory" title="narrative theory">narrative theory</a>, <a href="https://publications.waset.org/abstracts/search?q=metanarrative" title=" metanarrative"> metanarrative</a>, <a href="https://publications.waset.org/abstracts/search?q=deconstruction" title=" deconstruction"> deconstruction</a>, <a href="https://publications.waset.org/abstracts/search?q=post-structuralism" title=" post-structuralism"> post-structuralism</a>, <a href="https://publications.waset.org/abstracts/search?q=Lyotard" title=" Lyotard"> Lyotard</a>, <a href="https://publications.waset.org/abstracts/search?q=Barthes" title=" Barthes"> Barthes</a> </p> <a href="https://publications.waset.org/abstracts/87831/postmodernism-and-metanarrative-deconstruction-of-narrative-in-a-song-of-ice-and-fire-fantasy-tv-series" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/87831.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">295</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">10</span> Antiinflammatory and Antinociceptive of Hydro Alcoholic Tanacetum balsamita L. Extract</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Nasri">S. Nasri</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20H.%20Amin"> G. H. Amin</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Azimi"> A. Azimi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The use of herbs to treat disease is accompanied with the history of human life. This research is aimed to study the anti-inflammatory and antinociceptive effects of hydroalcoholic extract of aerial parts of "Tanacetum balsamita balsamita". In the experimental studies 144 male mice are used. In the inflammatory test, animals were divided into six groups: Control, positive control (receiving Dexamethason at dose of 15mg/kg), and four experimental groups receiving Tanacetum balsamita balsamita hydroalcoholic extract at doses of 25, 50, 100 and 200mg/kg. Xylene was used to induce inflammation. Formalin was used to study the nociceptive effects. Animals were divided into six groups: control group, positive control group (receiving morphine) and four experimental groups receiving Tanacetum balsamita balsamita (Tb.) hydroalcoholic extract at doses of 25, 50, 100 and 200mg/kg. I.p. injection of drugs or normal saline was performed 30 minutes before test. The data were analyzed by using one way Variance analysis and Tukey post-test. Aerial parts of Tanacetum balsamita balsamita hydroalcoholic extract decreased significantly inflammatory at dose of 200mg/kg (P<0/001) and caused a significant decrease and alleviated the nociception in both first and second phases at doses of 200mg/kg (p<0/001) and 100mg/kg (P<0/05). Tanacetum balsamita balsamita extract has the anti-inflammatory and anti-nociceptive effects which seems to be related with flavonoids especially Quercetin. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=inflammation" title="inflammation">inflammation</a>, <a href="https://publications.waset.org/abstracts/search?q=nociception" title=" nociception"> nociception</a>, <a href="https://publications.waset.org/abstracts/search?q=hydroalcoholic%20extract" title=" hydroalcoholic extract"> hydroalcoholic extract</a>, <a href="https://publications.waset.org/abstracts/search?q=aerial%20parts%20of%20Tanacetum%20balsamita%20balsamita%20L." title=" aerial parts of Tanacetum balsamita balsamita L."> aerial parts of Tanacetum balsamita balsamita L.</a> </p> <a href="https://publications.waset.org/abstracts/4190/antiinflammatory-and-antinociceptive-of-hydro-alcoholic-tanacetum-balsamita-l-extract" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4190.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">199</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9</span> An Investigation of Rainfall Changes in KanganCity During Years 1964 to 2003</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Borzou%20Faramarzi">Borzou Faramarzi</a>, <a href="https://publications.waset.org/abstracts/search?q=Farideh%20Azimi"> Farideh Azimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Azam%20Gohardoust"> Azam Gohardoust</a>, <a href="https://publications.waset.org/abstracts/search?q=Abbas%20Ghasemi%20Ghasemvand"> Abbas Ghasemi Ghasemvand</a>, <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Mirzaei"> Maryam Mirzaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Mandana%20Amani"> Mandana Amani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, attempts were made to examine and analyze the trend for rainfall changes in Kangan City, Booshehr Province, during the time span 1964 to 2003, using seven rainfall threshold indices based on 50 climate extremes indices approved by WMO–CCL/CLIVAR. These indices include days with heavy precipitations, days with rainfalls, frequency of rainfall threshold values, intensity of rainfall threshold values, percentage of rainfall threshold values, successive days of rainfall, and successive days with no precipitation. Results are indicative of the fact that Kangan City climatic conditions have become more dried than before. Indices days with heavy precipitations and days with rainfalls do not show a certain trend in Kangan City. Frequency, intensity, and percentage of rainfall threshold values in the station under investigation do not indicate a certain trend. In analysis of time series of rainfall extreme indices, generally, it was revealed that Kangan City is influenced by general factors of global warming. Calculation of values for the next 10 years based on ARIMA models demonstrates a continuation of warming trends in Kangan City. On the whole, rainfall conditions in Kangan City have experienced more dry periods compared to the past, the trend which is also observable for next 10 years. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=climatic%20indices" title="climatic indices">climatic indices</a>, <a href="https://publications.waset.org/abstracts/search?q=climate%20change" title=" climate change"> climate change</a>, <a href="https://publications.waset.org/abstracts/search?q=extreme%20temperature%20and%20precipitation" title=" extreme temperature and precipitation"> extreme temperature and precipitation</a>, <a href="https://publications.waset.org/abstracts/search?q=time%20series" title=" time series"> time series</a> </p> <a href="https://publications.waset.org/abstracts/52075/an-investigation-of-rainfall-changes-in-kangancity-during-years-1964-to-2003" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52075.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">272</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">8</span> Computational Fluid Dynamic Modeling of Mixing Enhancement by Stimulation of Ferrofluid under Magnetic Field</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Neda%20Azimi">Neda Azimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Masoud%20Rahimi"> Masoud Rahimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Faezeh%20Mohammadi"> Faezeh Mohammadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Computational fluid dynamics (CFD) simulation was performed to investigate the effect of ferrofluid stimulation on hydrodynamic and mass transfer characteristics of two immiscible liquid phases in a Y-micromixer. The main purpose of this work was to develop a numerical model that is able to simulate hydrodynamic of the ferrofluid flow under magnetic field and determine its effect on mass transfer characteristics. A uniform external magnetic field was applied perpendicular to the flow direction. The volume of fluid (VOF) approach was used for simulating the multiphase flow of ferrofluid and two-immiscible liquid flows. The geometric reconstruction scheme (Geo-Reconstruct) based on piecewise linear interpolation (PLIC) was used for reconstruction of the interface in the VOF approach. The mass transfer rate was defined via an equation as a function of mass concentration gradient of the transported species and added into the phase interaction panel using the user-defined function (UDF). The magnetic field was solved numerically by Fluent MHD module based on solving the magnetic induction equation method. CFD results were validated by experimental data and good agreements have been achieved, which maximum relative error for extraction efficiency was about 7.52 %. It was showed that ferrofluid actuation by a magnetic field can be considered as an efficient mixing agent for liquid-liquid two-phase mass transfer in microdevices. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CFD%20modeling" title="CFD modeling">CFD modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrodynamic" title=" hydrodynamic"> hydrodynamic</a>, <a href="https://publications.waset.org/abstracts/search?q=micromixer" title=" micromixer"> micromixer</a>, <a href="https://publications.waset.org/abstracts/search?q=ferrofluid" title=" ferrofluid"> ferrofluid</a>, <a href="https://publications.waset.org/abstracts/search?q=mixing" title=" mixing"> mixing</a> </p> <a href="https://publications.waset.org/abstracts/102582/computational-fluid-dynamic-modeling-of-mixing-enhancement-by-stimulation-of-ferrofluid-under-magnetic-field" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102582.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">196</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">7</span> Effects of Clozapine and Risperidone Antipsychotic Drugs on the Expression of CACNA1C and Behavioral Changes in Rat ‘Ketamine Model of Schizophrenia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mehrnoosh%20Azimi%20Sanavi">Mehrnoosh Azimi Sanavi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamed%20Ghazvini"> Hamed Ghazvini</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehryar%20Zargari"> Mehryar Zargari</a>, <a href="https://publications.waset.org/abstracts/search?q=Hossein%20Ghalehnoei"> Hossein Ghalehnoei</a>, <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Hosseini-khah"> Zahra Hosseini-khah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objectives: Calcium Voltage-Gated Channel Subunit Alpha1 C (CACNA1C) is one of the most important genes associated with schizophrenia. Methods: 45 male Wistar rats were divided into 5 groups: saline, control, ketamine, clozapine, and risperidone. Animals in ketamine, risperidone, and clozapine groups received ketamine (30 mg/ kg-i.p.) for 10 days. After the last injection of ketamine, we started injecting clozapine (7.5 mg/kg-i.p.) risperidone (1 mg/kg-i.p.) for up to 28 days. Twenty-four hours after the last injection, open field, social interaction, and elevated plus-maze tests, and gene expression in the hippocampus were performed. Results: The results of the social interaction test revealed a significant decrease in cumulative time with ketamine compared with the saline group and an increase with clozapine and risperidone compared with the ketamine group. Moreover, results from the elevated plus-maze test demonstrated a critical decrease in open-arm time and an increase in close-arm time with ketamine compared with saline, as well as an increase in open-arm time with risperidone compared with ketamine. Further results revealed a significant increase in rearing and grooming with ketamine compared to saline, as well as a decrease with risperidone and clozapine compared to ketamine. There were no significant differences in CACNA1C gene expression between groups in the rat hippocampus. In brief, the results of this study indicated that clozapine and risperidone could partially improve cognitive impairments in the rat. However, our findings demonstrated that this treatment is not related to CACNA1C gene expression. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=schizophrenia" title="schizophrenia">schizophrenia</a>, <a href="https://publications.waset.org/abstracts/search?q=ketamine" title=" ketamine"> ketamine</a>, <a href="https://publications.waset.org/abstracts/search?q=clozapine" title=" clozapine"> clozapine</a>, <a href="https://publications.waset.org/abstracts/search?q=risperidone" title=" risperidone"> risperidone</a> </p> <a href="https://publications.waset.org/abstracts/182854/effects-of-clozapine-and-risperidone-antipsychotic-drugs-on-the-expression-of-cacna1c-and-behavioral-changes-in-rat-ketamine-model-of-schizophrenia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/182854.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">63</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6</span> Society and Cinema in Iran </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seyedeh%20Rozhano%20Azimi%20Hashemi">Seyedeh Rozhano Azimi Hashemi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> There is no doubt that ‘Art’ is a social phenomena and cinema is the most social kind of art. Hence, it’s clear that we can analyze the relation’s of cinema and art from different aspects. In this paper sociological cinema will be investigated which, is a subdivision of sociological art. This term will be discussed by two main approaches. One of these approaches is focused on the effects of cinema on the society, which is known as “Effects Theory” and the second one, which is dealing with the reflection of social issues in cinema is called ” Reflection Theory”. "Reflect theory" approach, unlike "Effects theory" is considering movies as documents, in which social life is reflected, and by analyzing them, the changes and tendencies of a society are understood. Criticizing these approaches to cinema and society doesn’t mean that they are not real. Conversely, it proves the fact that for better understanding of cinema and society’s relation, more complicated models are required, which should consider two aspects. First, they should be bilinear and they should provide a dynamic and active relation between cinema and society, as for the current concept social life and cinema have bi-linear effects on each other, and that’s how they fit in a dialectic and dynamic process. Second, it should pay attention to the role of inductor elements such as small social institutions, marketing, advertisements, cultural pattern, art’s genres and popular cinema in society. In the current study, image of middle class in cinema of Iran and changing the role of women in cinema and society which were two bold issue that cinema and society faced since 1979 revolution till 80s are analyzed. Films as an artwork on one hand, are reflections of social changes and with their effects on the society on the other hand, are trying to speed up the trends of these changes. Cinema by the illustration of changes in ideologies and approaches in exaggerated ways and through it’s normalizing functions, is preparing the audiences and public opinions for the acceptance of these changes. Consequently, audience takes effect from this process, which is a bi-linear and interactive process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Iranian%20Cinema" title="Iranian Cinema">Iranian Cinema</a>, <a href="https://publications.waset.org/abstracts/search?q=Cinema%20and%20Society" title=" Cinema and Society"> Cinema and Society</a>, <a href="https://publications.waset.org/abstracts/search?q=Middle%20Class" title=" Middle Class"> Middle Class</a>, <a href="https://publications.waset.org/abstracts/search?q=Woman%E2%80%99s%20Role" title=" Woman’s Role "> Woman’s Role </a> </p> <a href="https://publications.waset.org/abstracts/26021/society-and-cinema-in-iran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26021.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">340</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5</span> The First Fungal Identification from Mini-BAL of Critical COVID-19 Patients</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fatemeh%20Fallah">Fatemeh Fallah</a>, <a href="https://publications.waset.org/abstracts/search?q=Ensieh%20Lotfali"> Ensieh Lotfali</a>, <a href="https://publications.waset.org/abstracts/search?q=Leila%20Azimi"> Leila Azimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hannan%20Khodaei"> Hannan Khodaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Rajabnejad"> Maryam Rajabnejad</a>, <a href="https://publications.waset.org/abstracts/search?q=Nafiseh%20Abdollahi"> Nafiseh Abdollahi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hossein%20Tayebi"> Hossein Tayebi</a>, <a href="https://publications.waset.org/abstracts/search?q=Saham%20Ansari"> Saham Ansari</a>, <a href="https://publications.waset.org/abstracts/search?q=Saeedeh%20Yaghoubi"> Saeedeh Yaghoubi</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdollah%20Karimi"> Abdollah Karimi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Coronavirus disease 2019 (COVID-19) has become a worldwide issue due to its high prevalence and rapid transmission. Fungal infections have been detected in COVID-19 patients, leading to increased morbidity and mortality. Objectives: This study aimed to isolate Aspergillus fumigatus and Mucor spp. on mini-bronchoalveolar lavage samples obtained from children with COVID-19 hospitalized in an Iranian children’s hospital. Methods: A cross-sectional descriptive study was performed on mini-bronchoalveolar lavage samples from children confirmed positive for COVID-19 admitted to ICU with a ventilator from April 2021 to February 2022. Demographic characteristics were recorded, and fungal DNA was extracted from mini-BAL samples taken from children. Nested PCR was made with two primers for Aspergillus fumigatus and Mucor spp. Results: Out of 100 children with COVID-19, all samples were negative for Aspergillus fumigatus; however, 12 cases were positive for BAL PCR for Mucor spp. Among the 12 patients, fever, shortness of breath, cough, and decreased level of consciousness were reported in 8.3% (n: 1), 16.6% (n: 2), 25% (n: 3), and 25% (n: 3), respectively. Most cases (41.7%; n: 5) suffered from heart disease, followed by underlying malignancy (33.4%; n: 4). All positive BAL PCR for Mucor spp. cases had significantly higher chest CT scan scores and spent more time under a ventilator. Conclusions: The identification of COVID-19 with Mucor spp. was observed among 12% (n: 12) of children hospitalized in a COVID-19 ICU. When dealing with pediatric COVID-19 patients, clinicians should consider the differential diagnosis of fungal co-infections and have a low threshold to begin treatment. Moreover, it is highly advisable to take prophylactic measures, such as properly using corticosteroids and shortening the intubation time. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aspergillosis" title="aspergillosis">aspergillosis</a>, <a href="https://publications.waset.org/abstracts/search?q=COVID-19%20identification" title=" COVID-19 identification"> COVID-19 identification</a>, <a href="https://publications.waset.org/abstracts/search?q=mucormycosis" title=" mucormycosis"> mucormycosis</a>, <a href="https://publications.waset.org/abstracts/search?q=paediatrics" title=" paediatrics"> paediatrics</a> </p> <a href="https://publications.waset.org/abstracts/184705/the-first-fungal-identification-from-mini-bal-of-critical-covid-19-patients" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/184705.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">6</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">4</span> Effect of Mindfulness-Based Self-Care Training on Self-Esteem and Body Image Concern on Candidate Patients of Orthognathic Surgery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamide%20Azimi%20Lolaty">Hamide Azimi Lolaty</a>, <a href="https://publications.waset.org/abstracts/search?q=Fateme%20Alsadat%20Ghanipoor"> Fateme Alsadat Ghanipoor</a>, <a href="https://publications.waset.org/abstracts/search?q=Azar%20Ramzani"> Azar Ramzani</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Ali%20Mohammadpoor"> Reza Ali Mohammadpoor</a>, <a href="https://publications.waset.org/abstracts/search?q=Alireza%20Babaei"> Alireza Babaei</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background and Objective: Despite the merits behind orthognathic surgery, self-care training in such patients seems logical. The current research was performed pursuing the goal of outlining the effect of training mindfulness-based self-care on Self-Esteem (SE) and Body Image Concern (BIC) of orthognathic surgery candidate patients. Material and Methods: The present study was performed using a semi-experimental method with pre-and post-design in the control and intervention groups. The eligible patients to enter the Babol-based Shahid Beheshti Orthognathic Surgery Clinic were conveniently divided into two 25-person groups. The variables of Self-Esteem and Body Image Concern were measured before and after executing the eight 90-minute training sessions and in the follow-up period done three months after executing the intervention using Cooper Smith’s Self-Esteem Inventory (CSEI) and Body Image Concern Inventory (BICI). The data were analyzed using ANOVA and the independent t-test and using SPSS-26, the data were analyzed at a 0.05 level. Results: As a result of the intervention, the intervention group’s SE score critically changed on average from 25.4±7.31 in the pre-intervention to 31.16±7.05 in the post-intervention and to 40.45±3.51 in the follow-up period (P=0.01), the intervention group’s BIC score changed on average from 60.28±16.47 in the pre-intervention to 47.15±80.47 in the post-intervention and to 32.20 ± 10.73 in the follow-up period. This difference was meaningful (P=0.001). But due to time and the intervention interaction, the control group underwent this significant reduction with a delay. The study revealed the scores of the SE as 32± 6.84 and that of the BIC as 43.32±10.64 in the control group didn’t result in any meaningful statistical difference (P<0.05). Conclusion: Training mindfulness-based self-care exerts an effect on the SE and BIC of the patients undergoing orthognathic surgery. Therefore, it’s recommended to train mindfulness-based self-care for orthognathic surgery candidate patients. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=self-care" title="self-care">self-care</a>, <a href="https://publications.waset.org/abstracts/search?q=mindfulness" title=" mindfulness"> mindfulness</a>, <a href="https://publications.waset.org/abstracts/search?q=self-esteem" title=" self-esteem"> self-esteem</a>, <a href="https://publications.waset.org/abstracts/search?q=body%20image%20concern" title=" body image concern"> body image concern</a>, <a href="https://publications.waset.org/abstracts/search?q=orthognathic%20surgery" title=" orthognathic surgery"> orthognathic surgery</a> </p> <a href="https://publications.waset.org/abstracts/151842/effect-of-mindfulness-based-self-care-training-on-self-esteem-and-body-image-concern-on-candidate-patients-of-orthognathic-surgery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/151842.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">122</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3</span> Microplastics in the Seine River Catchment: Results and Lessons from a Pluriannual Research Programme</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bruno%20Tassin">Bruno Tassin</a>, <a href="https://publications.waset.org/abstracts/search?q=Robin%20Treilles"> Robin Treilles</a>, <a href="https://publications.waset.org/abstracts/search?q=Cleo%20Stratmann"> Cleo Stratmann</a>, <a href="https://publications.waset.org/abstracts/search?q=Minh%20Trang%20Nguyen"> Minh Trang Nguyen</a>, <a href="https://publications.waset.org/abstracts/search?q=Sam%20Azimi"> Sam Azimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Vincent%20%20Rocher"> Vincent Rocher</a>, <a href="https://publications.waset.org/abstracts/search?q=Rachid%20Dris"> Rachid Dris</a>, <a href="https://publications.waset.org/abstracts/search?q=Johnny%20Gasperi"> Johnny Gasperi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Microplastics (<5mm) in the environment and in hydro systems is one of the major present environmental issues. Over the last five years a research programme was conducted in order to assess the behavior of microplastics in the Seine river catchment, in a Man-Land-Sea continuum approach. Results show that microplastic concentration varies at the seasonal scale, but also at much smaller scales, during flood events and with tides in the estuary for instance. Moreover, microplastic sampling and characterization issues emerged throughout this work. The Seine river is a 750km long river flowing in Northwestern France. It crosses the Paris megacity (12 millions inhabitants) and reaches the English Channel after a 170 km long estuary. This site is a very relevant one to assess the effect of anthropogenic pollution as the mean river flow is low (mean flow around 350m³/s) while the human presence and activities are very intense. Monthly monitoring of the microplastic concentration took place over a 19-month period and showed significant temporal variations at all sampling stations but no significant upstream-downstream increase, indicating a possible major sink to the sediment. At the scale of a major flood event (winter and spring 2018), microplastic concentration shows an evolution similar to the well-known suspended solids concentration, with an increase during the increase of the flow and a decrease during the decrease of the flow. Assessing the position of the concentration peak in relation to the flow peak was unfortunately impossible. In the estuary, concentrations vary with time in connection with tides movements and in the water column in relation to the salinity and the turbidity. Although major gains of knowledge on the microplastic dynamics in the Seine river have been obtained over the last years, major gaps remain to deal mostly with the interaction with the dynamics of the suspended solids, the selling processes in the water column and the resuspension by navigation or shear stress increase. Moreover, the development of efficient chemical characterization techniques during the 5 year period of this pluriannual research programme led to the improvement of the sampling techniques in order to access smaller microplastics (>10µm) as well as larger but rare ones (>500µm). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=microplastics" title="microplastics">microplastics</a>, <a href="https://publications.waset.org/abstracts/search?q=Paris%20megacity" title=" Paris megacity"> Paris megacity</a>, <a href="https://publications.waset.org/abstracts/search?q=seine%20river" title=" seine river"> seine river</a>, <a href="https://publications.waset.org/abstracts/search?q=suspended%20solids" title=" suspended solids"> suspended solids</a> </p> <a href="https://publications.waset.org/abstracts/131699/microplastics-in-the-seine-river-catchment-results-and-lessons-from-a-pluriannual-research-programme" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/131699.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">198</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">2</span> Post-bladder Catheter Infection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahla%20Azimi">Mahla Azimi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Post-bladder catheter infection is a common and significant healthcare-associated infection that affects individuals with indwelling urinary catheters. These infections can lead to various complications, including urinary tract infections (UTIs), bacteremia, sepsis, and increased morbidity and mortality rates. This article aims to provide a comprehensive review of post-bladder catheter infections, including their causes, risk factors, clinical presentation, diagnosis, treatment options, and preventive measures. Causes and Risk Factors: Post-bladder catheter infections primarily occur due to the colonization of microorganisms on the surface of the urinary catheter. The most common pathogens involved are Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, and Enterococcus species. Several risk factors contribute to the development of these infections, such as prolonged catheterization duration, improper insertion technique, poor hygiene practices during catheter care, compromised immune system function in patients with underlying conditions or immunosuppressive therapy. Clinical Presentation: Patients with post-bladder catheter infections may present with symptoms such as fever, chills, malaise, suprapubic pain or tenderness, and cloudy or foul-smelling urine. In severe cases or when left untreated for an extended period of time, patients may develop more severe symptoms like hematuria or signs of systemic infection. Diagnosis: The diagnosis of post-bladder catheter infection involves a combination of clinical evaluation and laboratory investigations. Urinalysis is crucial in identifying pyuria (presence of white blood cells) and bacteriuria (presence of bacteria). A urine culture is performed to identify the causative organism(s) and determine its antibiotic susceptibility profile. Treatment Options: Prompt initiation of appropriate antibiotic therapy is essential in managing post-bladder catheter infections. Empirical treatment should cover common pathogens until culture results are available. The choice of antibiotics should be guided by local antibiogram data to ensure optimal therapy. In some cases, catheter removal may be necessary, especially if the infection is recurrent or associated with severe complications. Preventive Measures: Prevention plays a vital role in reducing the incidence of post-bladder catheter infections. Strategies include proper hand hygiene, aseptic technique during catheter insertion and care, regular catheter maintenance, and timely removal of unnecessary catheters. Healthcare professionals should also promote patient education regarding self-care practices and signs of infection. Conclusion: Post-bladder catheter infections are a significant healthcare concern that can lead to severe complications and increased healthcare costs. Early recognition, appropriate diagnosis, and prompt treatment are crucial in managing these infections effectively. Implementing preventive measures can significantly reduce the incidence of post-bladder catheter infections and improve patient outcomes. Further research is needed to explore novel strategies for prevention and management in this field. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=post-bladder%20catheter%20infection" title="post-bladder catheter infection">post-bladder catheter infection</a>, <a href="https://publications.waset.org/abstracts/search?q=urinary%20tract%20infection" title=" urinary tract infection"> urinary tract infection</a>, <a href="https://publications.waset.org/abstracts/search?q=bacteriuria" title=" bacteriuria"> bacteriuria</a>, <a href="https://publications.waset.org/abstracts/search?q=indwelling%20urinary%20catheters" title=" indwelling urinary catheters"> indwelling urinary catheters</a>, <a href="https://publications.waset.org/abstracts/search?q=prevention" title=" prevention"> prevention</a> </p> <a href="https://publications.waset.org/abstracts/170185/post-bladder-catheter-infection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/170185.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">81</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1</span> Microplastic Concentrations and Fluxes in Urban Compartments: A Systemic Approach at the Scale of the Paris Megacity</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rachid%20Dris">Rachid Dris</a>, <a href="https://publications.waset.org/abstracts/search?q=Robin%20%20Treilles"> Robin Treilles</a>, <a href="https://publications.waset.org/abstracts/search?q=Max%20Beaurepaire"> Max Beaurepaire</a>, <a href="https://publications.waset.org/abstracts/search?q=Minh%20Trang%20Nguyen"> Minh Trang Nguyen</a>, <a href="https://publications.waset.org/abstracts/search?q=Sam%20Azimi"> Sam Azimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Vincent%20Rocher"> Vincent Rocher</a>, <a href="https://publications.waset.org/abstracts/search?q=Johnny%20Gasperi"> Johnny Gasperi</a>, <a href="https://publications.waset.org/abstracts/search?q=Bruno%20Tassin"> Bruno Tassin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Microplastic sources and fluxes in urban catchments are only poorly studied. Most often, the approaches taken focus on a single source and only carry out a description of the contamination levels and type (shape, size, polymers). In order to gain an improved knowledge of microplastic inputs at urban scales, estimating and comparing various fluxes is necessary. The Laboratoire Eau, Environnement et Systèmes Urbains (LEESU), the Laboratoire Eau Environnement (LEE) and the SIAAP (Service public de l’assainissement francilien) initiated several projects to investigate different urban sources and flows of microplastics. A systemic approach is undertaken at the scale of Paris Megacity, and several compartments are considered, including atmospheric fallout, wastewater treatments plants, runoff and combined sewer overflows. These investigations are carried out within the Limnoplast and OPUR projects. Atmospheric fallout was sampled during consecutive periods ranging from 2 to 3 weeks with a stainless-steel funnel. Both wet and dry periods were considered. Different treatment steps were sampled in 2 wastewater treatment plants (Seine-Amont for activated sludge and Seine-Centre for biofiltration) of the SIAAP, including sludge samples. Microplastics were also investigated in combined sewer overflows as well as in stormwater at the outlet suburban catchment (Sucy-en-Brie, France) during four rain events. Samples are treated using hydroperoxide digestion (H₂O₂ 30 %) in order to reduce organic material. Microplastics are then extracted from the samples with a density separation step using NaI (d=1.6 g.cm⁻³). Samples are filtered on metallic filters with a porosity of 14 µm between steps to separate them from the solutions (H₂O₂ and NaI). The last filtration was carried out on alumina filters. Infrared mapping analysis (using a micro-FTIR with an MCT detector) is performed on each alumina filter. The resulting maps are analyzed using a microplastic analysis software simple, developed by Aalborg University, Denmark and Alfred Wegener Institute, Germany. Blanks were systematically carried out to consider sample contamination. This presentation aims at synthesizing the data found in the various projects. In order to carry out a systemic approach and compare the various inputs, all the data were converted into annual microplastic fluxes (number of microplastics per year), and extrapolated to the Parisian agglomeration. PP, PE and alkyd are the most prevalent polymers found in storm water samples. Rain intensity and microplastic concentrations did not show any clear correlation. Considering the runoff volumes and the impervious surface area of the studied catchment, a flux of 4*107–9*107 MPs.yr⁻¹.ha⁻¹ was estimated. Samples of wastewater treatment plants and atmospheric fallout are currently being analyzed in order to finalize this assessment. The representativeness of such samplings and uncertainties related to the extrapolations will be discussed and gaps in knowledge will be identified. The data provided by such an approach will help to prioritize future research as well as policy efforts. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=microplastics" title="microplastics">microplastics</a>, <a href="https://publications.waset.org/abstracts/search?q=atmosphere" title=" atmosphere"> atmosphere</a>, <a href="https://publications.waset.org/abstracts/search?q=wastewater" title=" wastewater"> wastewater</a>, <a href="https://publications.waset.org/abstracts/search?q=urban%20runoff" title=" urban runoff"> urban runoff</a>, <a href="https://publications.waset.org/abstracts/search?q=Paris%20megacity" title=" Paris megacity"> Paris megacity</a>, <a href="https://publications.waset.org/abstracts/search?q=urban%20waters" title=" urban waters"> urban waters</a> </p> <a href="https://publications.waset.org/abstracts/131671/microplastic-concentrations-and-fluxes-in-urban-compartments-a-systemic-approach-at-the-scale-of-the-paris-megacity" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/131671.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">180</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational 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