Search results for: Ali Zamanian

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Zamanian</title> <meta name="description" content="Search results for: Ali Zamanian"> <meta name="keywords" content="Ali Zamanian"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Ali Zamanian"> <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> 4</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Ali Zamanian</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">4</span> The Effect of Exposure to High Noise Level on the Performance and Rate of Error in Manual Activities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Zamanian">Zahra Zamanian</a>, <a href="https://publications.waset.org/abstracts/search?q=Alireza%20Zamanian"> Alireza Zamanian</a>, <a href="https://publications.waset.org/abstracts/search?q=Jafar%20Hasanzadeh"> Jafar Hasanzadeh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Unwanted sound, as one of the most important physical factors in the majority of production units, imposes a great number of problems on the industrial workers. Sound is one of the environmental factors which can cause physical as well as psychological damages and also affects the individuals’ performance and productivity. Therefore, the present study aimed to determine the effect of noise exposure on human performance. Methods: The present study assessed the effect of noise on the performance of 50 students of Shiraz University of Medical Sciences (25 males and 25 females) at the sound pressures of 70, 90, and 110 dB by using two factors of physical features and the creation of different conditions of sound pressure source as well as applying Two-Arm coordination Test. Results: The results of the present study revealed no significant difference between male and female subjects as well as different conditions of creating sound pressure regarding the length of performance (p> 0.05). In addition, as the sound pressure increased, the length of performance increased, as well. According to the results, no significant difference was found between the performance at 70 and 90 dB. On the other hand, the performance at 110 dB was significantly different from the performance at 70 and 90 dB (p<0.05 and p<0.001). Conclusion: In general, as the sound pressure increases, the performance decreases which results in a considerable increase in the individuals’ rate of error. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=physical%20factors" title="physical factors">physical factors</a>, <a href="https://publications.waset.org/abstracts/search?q=two-arm%20coordination%20test" title=" two-arm coordination test"> two-arm coordination test</a>, <a href="https://publications.waset.org/abstracts/search?q=Shiraz%20University%20of%20Medical%20Sciences" title=" Shiraz University of Medical Sciences"> Shiraz University of Medical Sciences</a>, <a href="https://publications.waset.org/abstracts/search?q=noise" title=" noise "> noise </a> </p> <a href="https://publications.waset.org/abstracts/13475/the-effect-of-exposure-to-high-noise-level-on-the-performance-and-rate-of-error-in-manual-activities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13475.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">305</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> High-Dimensional Single-Cell Imaging Maps Inflammatory Cell Types in Pulmonary Arterial Hypertension</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Selena%20Ferrian">Selena Ferrian</a>, <a href="https://publications.waset.org/abstracts/search?q=Erin%20Mccaffrey"> Erin Mccaffrey</a>, <a href="https://publications.waset.org/abstracts/search?q=Toshie%20Saito"> Toshie Saito</a>, <a href="https://publications.waset.org/abstracts/search?q=Aiqin%20Cao"> Aiqin Cao</a>, <a href="https://publications.waset.org/abstracts/search?q=Noah%20Greenwald"> Noah Greenwald</a>, <a href="https://publications.waset.org/abstracts/search?q=Mark%20Robert%20Nicolls"> Mark Robert Nicolls</a>, <a href="https://publications.waset.org/abstracts/search?q=Trevor%20Bruce"> Trevor Bruce</a>, <a href="https://publications.waset.org/abstracts/search?q=Roham%20T.%20Zamanian"> Roham T. Zamanian</a>, <a href="https://publications.waset.org/abstracts/search?q=Patricia%20Del%20Rosario"> Patricia Del Rosario</a>, <a href="https://publications.waset.org/abstracts/search?q=Marlene%20Rabinovitch"> Marlene Rabinovitch</a>, <a href="https://publications.waset.org/abstracts/search?q=Michael%20Angelo"> Michael Angelo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Recent experimental and clinical observations are advancing immunotherapies to clinical trials in pulmonary arterial hypertension (PAH). However, comprehensive mapping of the immune landscape in pulmonary arteries (PAs) is necessary to understand how immune cell subsets interact to induce pulmonary vascular pathology. We used multiplexed ion beam imaging by time-of-flight (MIBI-TOF) to interrogate the immune landscape in PAs from idiopathic (IPAH) and hereditary (HPAH) PAH patients. Massive immune infiltration in I/HPAH was observed with intramural infiltration linked to PA occlusive changes. The spatial context of CD11c+DCs expressing SAMHD1, TIM-3 and IDO-1 within immune-enriched microenvironments and neutrophils were associated with greater immune activation in HPAH. Furthermore, CD11c-DC3s (mo-DC-like cells) within a smooth muscle cell (SMC) enriched microenvironment were linked to vessel score, proliferating SMCs, and inflamed endothelial cells. Experimental data in cultured cells reinforced a causal relationship between neutrophils and mo-DCs in mediating pulmonary arterial SMC proliferation. These findings merit consideration in developing effective immunotherapies for PAH. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pulmonary%20arterial%20hypertension" title="pulmonary arterial hypertension">pulmonary arterial hypertension</a>, <a href="https://publications.waset.org/abstracts/search?q=vascular%20remodeling" title=" vascular remodeling"> vascular remodeling</a>, <a href="https://publications.waset.org/abstracts/search?q=indoleamine%202-3-dioxygenase%201%20%28IDO-1%29" title=" indoleamine 2-3-dioxygenase 1 (IDO-1)"> indoleamine 2-3-dioxygenase 1 (IDO-1)</a>, <a href="https://publications.waset.org/abstracts/search?q=neutrophils" title=" neutrophils"> neutrophils</a>, <a href="https://publications.waset.org/abstracts/search?q=monocyte-derived%20dendritic%20cells" title=" monocyte-derived dendritic cells"> monocyte-derived dendritic cells</a>, <a href="https://publications.waset.org/abstracts/search?q=BMPR2%20mutation" title=" BMPR2 mutation"> BMPR2 mutation</a>, <a href="https://publications.waset.org/abstracts/search?q=interferon%20gamma%20%28IFN-%CE%B3%29" title=" interferon gamma (IFN-γ)"> interferon gamma (IFN-γ)</a> </p> <a href="https://publications.waset.org/abstracts/156849/high-dimensional-single-cell-imaging-maps-inflammatory-cell-types-in-pulmonary-arterial-hypertension" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156849.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">175</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> Investigating the Feasibility of Promoting Safety in Civil Projects by BIM System Using Fuzzy Logic</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Reza%20Zamanian">Mohammad Reza Zamanian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The construction industry has always been recognized as one of the most dangerous available industries, and the statistics of accidents and injuries resulting from it say that the safety category needs more attention and the arrival of up-to-date technologies in this field. Building information modeling (BIM) is one of the relatively new and applicable technologies in Iran, that the necessity of using it is increasingly evident. The main purposes of this research are to evaluate the feasibility of using this technology in the safety sector of construction projects and to evaluate the effectiveness and operationality of its various applications in this sector. These applications were collected and categorized after reviewing past studies and researches then a questionnaire based on Delphi method criteria was presented to 30 experts who were thoroughly familiar with modeling software and safety guidelines. After receiving and exporting the answers to SPSS software, the validity and reliability of the questionnaire were assessed to evaluate the measuring tools. Fuzzy logic is a good way to analyze data because of its flexibility in dealing with ambiguity and uncertainty issues, and the implementation of the Delphi method in the fuzzy environment overcomes the uncertainties in decision making. Therefore, this method was used for data analysis, and the results indicate the usefulness and effectiveness of BIM in projects and improvement of safety status at different stages of construction. Finally, the applications and the sections discussed were ranked in order of priority for efficiency and effectiveness. Safety planning is considered as the most influential part of the safety of BIM among the four sectors discussed, and planning for the installation of protective fences and barriers to prevent falls and site layout planning with a safety approach based on a 3D model are the most important applications of BIM among the 18 applications to improve the safety of construction projects. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=building%20information%20modeling" title="building information modeling">building information modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=safety%20of%20construction%20projects" title=" safety of construction projects"> safety of construction projects</a>, <a href="https://publications.waset.org/abstracts/search?q=Delphi%20method" title=" Delphi method"> Delphi method</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20logic" title=" fuzzy logic"> fuzzy logic</a> </p> <a href="https://publications.waset.org/abstracts/133760/investigating-the-feasibility-of-promoting-safety-in-civil-projects-by-bim-system-using-fuzzy-logic" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/133760.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">169</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> Treatment of Neuronal Defects by Bone Marrow Stem Cells Differentiation to Neuronal Cells Cultured on Gelatin-PLGA Scaffolds Coated with Nano-Particles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alireza%20Shams">Alireza Shams</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Zamanian"> Ali Zamanian</a>, <a href="https://publications.waset.org/abstracts/search?q=Atefehe%20Shamosi"> Atefehe Shamosi</a>, <a href="https://publications.waset.org/abstracts/search?q=Farnaz%20Ghorbani"> Farnaz Ghorbani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Although the application of a new strategy remains a remarkable challenge for treatment of disabilities due to neuronal defects, progress in Nanomedicine and tissue engineering, suggesting the new medical methods. One of the promising strategies for reconstruction and regeneration of nervous tissue is replacing of lost or damaged cells by specific scaffolds after Compressive, ischemic and traumatic injuries of central nervous system. Furthermore, ultrastructure, composition, and arrangement of tissue scaffolds are effective on cell grafts. We followed implantation and differentiation of mesenchyme stem cells to neural cells on Gelatin Polylactic-co-glycolic acid (PLGA) scaffolds coated with iron nanoparticles. The aim of this study was to evaluate the capability of stem cells to differentiate into motor neuron-like cells under topographical cues and morphogenic factors. Methods and Materials: Bone marrow mesenchymal stem cells (BMMSCs) was obtained by primary cell culturing of adult rat bone marrow got from femur bone by flushing method. BMMSCs were incubated with DMEM/F12 (Gibco), 15% FBS and 100 U/ml pen/strep as media. Then, BMMSCs seeded on Gel/PLGA scaffolds and tissue culture (TCP) polystyrene embedded and incorporated by Fe Nano particles (FeNPs) (Fe3o4 oxide (M w= 270.30 gr/mol.). For neuronal differentiation, 2×10 5 BMMSCs were seeded on Gel/PLGA/FeNPs scaffolds was cultured for 7 days and 0.5 µ mol. Retinoic acid, 100 µ mol. Ascorbic acid,10 ng/ml. Basic fibroblast growth factor (Sigma, USA), 250 μM Iso butyl methyl xanthine, 100 μM 2-mercaptoethanol, and 0.2 % B27 (Invitrogen, USA) added to media. Proliferation of BMMSCs was assessed by using MTT assay for cell survival. The morphology of BMMSCs and scaffolds was investigated by scanning electron microscopy analysis. Expression of neuron-specific markers was studied by immunohistochemistry method. Data were analyzed by analysis of variance, and statistical significance was determined by Turkey’s test. Results: Our results revealed that differentiation and survival of BMMSCs into motor neuron-like cells on Gel/PLGA/FeNPs as a biocompatible and biodegradable scaffolds were better than those cultured in Gel/PLGA in absence of FeNPs and TCP scaffolds. FeNPs had raised physical power but decreased capacity absorption of scaffolds. Well defined oriented pores in scaffolds due to FeNPs may activate differentiation and synchronized cells as a mechanoreceptor. Induction effects of magnetic FeNPs by One way flow of channels in scaffolds help to lead the cells and can facilitate direction of their growth processes. Discussion: Progression of biological properties of BMMSCs and the effects of FeNPs spreading under magnetic field was evaluated in this investigation. In vitro study showed that the Gel/PLGA/FeNPs scaffold provided a suitable structure for motor neuron-like cells differentiation. This could be a promising candidate for enhancing repair and regeneration in neural defects. Dynamic and static magnetic field for inducing and construction of cells can provide better results for further experimental studies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=differentiation" title="differentiation">differentiation</a>, <a href="https://publications.waset.org/abstracts/search?q=mesenchymal%20stem%20cells" title=" mesenchymal stem cells"> mesenchymal stem cells</a>, <a href="https://publications.waset.org/abstracts/search?q=nano%20particles" title=" nano particles"> nano particles</a>, <a href="https://publications.waset.org/abstracts/search?q=neuronal%20defects" title=" neuronal defects"> neuronal defects</a>, <a href="https://publications.waset.org/abstracts/search?q=Scaffolds" title=" Scaffolds"> Scaffolds</a> </p> <a href="https://publications.waset.org/abstracts/82969/treatment-of-neuronal-defects-by-bone-marrow-stem-cells-differentiation-to-neuronal-cells-cultured-on-gelatin-plga-scaffolds-coated-with-nano-particles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82969.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">166</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 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Search results for: Ali Zamanian