Benjamin Feldner

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Flow cytometric analysis was used to examine naive and primed or memory CD4 cells extracted from periodontal lesions compared with cells from peripheral blood of healthy subjects before and after stimulation with the periodontopathic bacteria, Porphyromonas gingivalis and Fusobacterium nucleatum. In peripheral blood, approximately 60% and 40% of CD4 cells(More)
In this paper we present a concept for integrating Multimedia-Enriched Learning Objects (MELOs) within a unifying technological framework for schools. First, we discuss the general role of objects for child development and learning. We then outline the framework architecture of the proposed Networked Environment for Multimedia Objects (NEMO). Afterwards, we(More)
Interleukin-1 beta (IL-1 beta) may be related to the pathological processes associated with periodontitis, primarily due to its ability to induce collagenase, increase neutrophil chemotaxis, and stimulate bone resorption. This study was designed to histologically quantitate IL-1 beta positive cells from various histologic fields in untreated(More)
In our knowledge-based economy, bibliographic metadata is everywhere: Companies, research institutes, schools, museums, and many other institutions nowadays have to deal with large quantities of bibliographic information. Although several established standards are available for such data, home-grown ad hoc solutions are still widespread in small to medium(More)
Dieses Paper widmet sich der interdisziplinären Betrachtung eines Konzepts zur Integration multimedialer, be-greifbarer Lernobjekte in vernetzte Lernumgebungen. Mit Hilfe eines auf die Physis bezogenen Schalenmodells werden medienpädagogische, -theoretische, -soziologische und -systemtechnische Überlegungen zusammengeführt.
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