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  • 1
    Electronic Resource
    Electronic Resource
    Machining Characteristics of the Electropolishing of Stainless Steel (STS316L) (2000)
    Springer
    The international journal of advanced manufacturing technology 16 (2000), S. 591-599 
    Details
    ISSN: 1433-3015
    Keywords: Keywords:Anodic dissolution; Bailby layer; Current density; Electrode gap; Electrolyte; Electropolishing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Electropolishing is an anodic dissolution process in the transpassive state. It removes non-metallic inclusions and improves the mechanical and corrosion resistance of stainless steel. If there is a Bailby layer, it will be removed and the true structure of the surface will be restored. Electropolishing is normally used to remove a very thin layer of material from the surface of a metal object. The aim of this study is to determine the characteristics of electropolishing stainless steel tubes in terms of current density, machining time, temperature, electrode gap, and workpiece surface roughness.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001700070049
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Presence of circulating antibodies to a disease-specific antigen on cultured human dermal microvascular endothelial cells in patients with Behçet’s disease (1999)
    Springer
    Archives of dermatological research 291 (1999), S. 374-381 
    Details
    ISSN: 1432-069X
    Keywords: Key words Behçet’s disease ; Vasculitis ; Endothelial ; cells ; Antibodies
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Behçet’s disease is a chronic, multisystem disorder characterized by a recurrent inflammatory reaction. Antiendothelial cell antibodies have been detected in the serum from patients with autoimmune diseases with presenting vasculitis and it is assumed that they can induce damage to the endothelial cells. In this study, we detected antiendothelial cell antibodies in the serum from patients with Behçet’s disease using an enzyme-linked immunosorbent assay, electrophoresis and immunoblotting. The cytolysis of human dermal microvascular endothelial cells (HDMEC) was measured using a cytotoxicity assay. The serum from 37.4% of Behçet’s disease patients showed IgM antibodies against unstimulated HDMEC while the serum from 18.4% of patients showed an increase in IgM antibody titer after IFN-γ pretreatment. The frequency of vasculitis was higher in the IgM-positive Behçet’s disease patients than in the IgM-negative patients. In Western blotting, IgM-positive Behçet’s disease serum reacted with the 44 kDa HDMEC surface antigen, whereas IgM-positive systemic lupus erythematosus serum reacted with the 81 kDa HDMEC surface antigen. The reactivity to the 44 kDa protein band was also observed in cultured human umbilical vein endothelial cells but not in fibroblasts, A431 cells or SK-MEL-2 cells. Serum from Behçet’s disease patients incubated with human complement or mononuclear cells produced no significant lysis of HDMEC, and cultured HDMEC were resistant to antibody-dependent cell-mediated cytotoxicity. The results suggest that antibodies against antigens on the surface of endothelial cells may play a role in inducing vasculitis in Behçet’s disease, not through a direct toxic effect of an antiendothelial cell antibody but by an indirect effect involving the activation of endothelial cells to produce cytokines.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004030050425
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    Paper (German National Licenses)
    Fulltext
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