Search results for: J. M. Lackner

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Lackner</title> <meta name="description" content="Search results for: J. M. Lackner"> <meta name="keywords" content="J. M. Lackner"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="J. 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M. Lackner"> <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> 3</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: J. M. Lackner</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3</span> Hemocompatible Thin-Film Materials Recreating the Structure of the Cell Niches with High Potential for Endothelialization</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Roman%20Major">Roman Major</a>, <a href="https://publications.waset.org/abstracts/search?q=Klaudia%20Trembecka-%20Wojciga"> Klaudia Trembecka- Wojciga</a>, <a href="https://publications.waset.org/abstracts/search?q=Juergen%20Markus%20Lackner"> Juergen Markus Lackner</a>, <a href="https://publications.waset.org/abstracts/search?q=Boguslaw%20Major"> Boguslaw Major </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The future and the development of science is therefore seen in interdisciplinary areas such as bio medical engineering. Self-assembled structures, similar to stem cell niches would inhibit fast division process and subsequently capture the stem cells from the blood flow. By means of surface topography and the stiffness as well as micro structure progenitor cells should be differentiated towards the formation of endothelial cells monolayer which effectively will inhibit activation of the coagulation cascade. The idea of the material surface development met the interest of the clinical institutions, which support the development of science in this area and are waiting for scientific solutions that could contribute to the development of heart assist systems. This would improve the efficiency of the treatment of patients with myocardial failure, supported with artificial heart assist systems. Innovative materials would enable the redesign, in the post project activity, construction of ventricular heart assist. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bio-inspired%20materials" title="bio-inspired materials">bio-inspired materials</a>, <a href="https://publications.waset.org/abstracts/search?q=electron%20microscopy" title=" electron microscopy"> electron microscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=haemocompatibility" title=" haemocompatibility"> haemocompatibility</a>, <a href="https://publications.waset.org/abstracts/search?q=niche-like%20structures" title=" niche-like structures"> niche-like structures</a>, <a href="https://publications.waset.org/abstracts/search?q=thin%20coatings" title=" thin coatings "> thin coatings </a> </p> <a href="https://publications.waset.org/abstracts/27004/hemocompatible-thin-film-materials-recreating-the-structure-of-the-cell-niches-with-high-potential-for-endothelialization" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27004.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">478</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> Development and Characterization of Bio-Tribological, Nano- Multilayer Coatings for Medical Tools Application</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=L.%20Major">L. Major</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20M.%20Lackner"> J. M. Lackner</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Dyner"> M. Dyner</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Major"> B. Major</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Development of new generation bio- tribological, multilayer coatings, opens an avenue for fabrication of future high- tech functional surfaces. In the presented work, nano- composite, Cr/CrN+[Cr/ a-C:H implanted by metallic nanocrystals] multilayer coatings have been developed for surface protection of medical tools. Thin films were fabricated by a hybrid Pulsed Laser Deposition technique. Complex microstructure analysis of nano- multilayer coatings, subjected to mechanical and biological tests, were performed by means of transmission electron microscopy (TEM). Microstructure characterization revealed the layered arrangement of Cr23C6 nanoparticles in multilayer structure. Influence of deposition conditions on bio- tribological properties of the coatings were studied. The bio-tests were used as a screening tool for the analyzed nano- multilayer coatings before they could be deposited on medical tools. Bio- medical tests were done using fibroblasts. The mechanical properties of the coatings were investigated by means of a ball-on-disc mechanical test. The microhardness was done using Berkovich indenter. The scratch adhesion test was done using Rockwell indenter. From the bio- tribological point of view, the optimal properties had the C106_1 material. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bio-%20tribological%20coatings" title="bio- tribological coatings">bio- tribological coatings</a>, <a href="https://publications.waset.org/abstracts/search?q=cell-%20material%20interaction" title=" cell- material interaction"> cell- material interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=hybrid%20PLD" title=" hybrid PLD"> hybrid PLD</a>, <a href="https://publications.waset.org/abstracts/search?q=tribology" title=" tribology"> tribology</a> </p> <a href="https://publications.waset.org/abstracts/24952/development-and-characterization-of-bio-tribological-nano-multilayer-coatings-for-medical-tools-application" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24952.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">380</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> Design-Based Elements to Sustain Participant Activity in Massive Open Online Courses: A Case Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C.%20Zimmermann">C. Zimmermann</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Lackner"> E. Lackner</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Ebner"> M. Ebner</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Massive Open Online Courses (MOOCs) are increasingly popular learning hubs that are boasting considerable participant numbers, innovative technical features, and a multitude of instructional resources. Still, there is a high level of evidence showing that almost all MOOCs suffer from a declining frequency of participant activity and fairly low completion rates. In this paper, we would like to share the lessons learned in implementing several design patterns that have been suggested in order to foster participant activity. Our conclusions are based on experiences with the ‘Dr. Internet’ MOOC, which was created as an xMOOC to raise awareness for a more critical approach to online health information: participants had to diagnose medical case studies. There is a growing body of recommendations (based on Learning Analytics results from earlier xMOOCs) as to how the decline in participant activity can be alleviated. One promising focus in this regard is instructional design patterns, since they have a tremendous influence on the learner’s motivation, which in turn is a crucial trigger of learning processes. Since Medieval Age storytelling, micro-learning units and specific comprehensible, narrative structures were chosen to animate the audience to follow narration. Hence, MOOC participants are not likely to abandon a course or information channel when their curiosity is kept at a continuously high level. Critical aspects that warrant consideration in this regard include shorter course duration, a narrative structure with suspense peaks (according to the ‘storytelling’ approach), and a course schedule that is diversified and stimulating, yet easy to follow. All of these criteria have been observed within the design of the Dr. Internet MOOC: 1) the standard eight week course duration was shortened down to six weeks, 2) all six case studies had a special quiz format and a corresponding resolution video which was made available in the subsequent week, 3) two out of six case studies were split up in serial video sequences to be presented over the span of two weeks, and 4) the videos were generally scheduled in a less predictable sequence. However, the statistical results from the first run of the MOOC do not indicate any strong influences on the retention rate, so we conclude with some suggestions as to why this might be and what aspects need further consideration. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=case%20study" title="case study">case study</a>, <a href="https://publications.waset.org/abstracts/search?q=Dr.%20internet" title=" Dr. internet"> Dr. internet</a>, <a href="https://publications.waset.org/abstracts/search?q=experience" title=" experience"> experience</a>, <a href="https://publications.waset.org/abstracts/search?q=MOOCs" title=" MOOCs"> MOOCs</a>, <a href="https://publications.waset.org/abstracts/search?q=design%20patterns" title=" design patterns"> design patterns</a> </p> <a href="https://publications.waset.org/abstracts/48954/design-based-elements-to-sustain-participant-activity-in-massive-open-online-courses-a-case-study" class="btn 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Search results for: J. M. Lackner