18 research outputs found

    Latent Bacterial Infection of Joints and their Clinical Importance

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    Synovial characteristics of seronegative spondarthritides

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    Detection of sarcolectin-specific receptors like the cytokine macrophage migration inhibitory factor in rheumatoid nodules migration inhibitory factor in rheumatoid nodules

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    The objective of this study was the evaluation of the relation between the N-acetylneuraminic acid-binding endogenous lectin sarcolectin and the cytokine macrophage migration inhibitory factor (MIF) during development of rheumatoid nodules (RN) in seropositive rheumatoid arthritis (RA). Sarcolectin was purified and biotinylated. The binding patterns of this probe were analyzed in RN from patients with RA (n=23) and compared with the distribution of antibodies with specificity for MIF, fibrin, fibronectin. In early RN, all areas of the inflammatory tissue displayed presence of receptors for sarcolectin. Macrophages were especially positive. In mature rheumatoid nodules binding of sarcolectin was restricted to the periphery of necrotic areas, to endothelial cells and perivascular connective tissue of marginal zones. Distribution patterns of MIF were similiar but not identical. The histological staining characteristics demonstrate sarcolectin-binding receptors in RN that are altered upon disease progression. The finding suggests that specific interactions between this endogenous lectin and MIF may be involved in the course of RA

    Atmosphaeres – 360° Video Environments for Stress and Pain Management

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    The Atmosphaeres project aims to reduce sufferers’ stress and pain levels by using 360° video environments that are presented in a highly immersive Head-Mounted Display (HMD). Here we report first insights of our prototype combination of the 360° video environments and the Oculus Rift, the HMD used for our project. We find that our ‘Atmosphaeres’ are capable of truly transporting the user to another, virtually created location, however, there were a number of restrictions with the first system, including image quality and nausea which we hope to eliminate with the system we present in this paper. There are also a number of research questions that need to be considered for the use of the Atmosphaeres in stress and pain management or for general relaxation purposes. These questions include whether 360° video environments are capable of reducing stress and experienced pain and whether changes to the Oculus Rift DK2 do in fact reduce the nausea that was often caused by the DK1. Sound is another important yet often under-considered factor in many Virtual Reality applications and questions we seek to answer revolve around how the quality and type of audio contribute to users’ feeling of presence and ultimately their stress and pain levels

    Zum Stoerfallverhalten des HTR-Modul Eine Trendanalyse

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    Copy held by FIZ Karlsruhe; available from UB/TIB Hannover / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman
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