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The demonstration of serum interleukin-8 and superoxide dismutase in Adamantiades-Behçet’s disease (1997)

Wang, L. M. ; Kitteringham, N. ; Mineshita, S. ; [et al.]

Springer

Archives of dermatological research 289 (1997), S. 444-447

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ISSN: 1432-069X

Keywords: Key words Adamantiades-Behçet’s disease (A-BD) ; Interleukin-8 (IL-8) ; Superoxide dismutase (SOD) ; Inflammation

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Notes: Abstract Serum interleukin-8 (IL-8) production was measured in 43 Adamantiades-Behçet’s disease (A-BD) patients and in 46 healthy volunteers using a sandwich enzyme-linked immunosorbent assay (ELISA). The mean serum IL-8 level of the patients (14.6 ± 3 pg/ml) was significantly higher than that of controls (10.8 ± 3 pg/ml, P 〈 0.05). Since IL-8 is known to have proinflammatory properties, it may play some role in the pathogenesis of A-BD. We also investigated the activity of serum superoxide dismutase (SOD) in the 43 patients with A-BD and in the 46 healthy volunteers. Serum SOD activity was markedly increased in the patients with A-BD (13.1 ± 3%), especially in active A-BD, compared with that in the healthy volunteers (6.7 ± 3%, P 〈 0.01). Our results suggest the involvement of IL-8 and SOD in the pathogenesis of A-BD as seen in other inflammatory diseases.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/s004030050219

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Al-Cu-Si/TiW interface reaction due to thermal treatments (1992)

Misawa, Y. ; Koike, Y.

Chichester [u.a.] : Wiley-Blackwell

Surface and Interface Analysis 19 (1992), S. 347-352

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ISSN: 0142-2421

Keywords: Chemistry ; Polymer and Materials Science

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Physics

Notes: The Al-0.5 wt.% Cu-1 wt.% Si/TiW interface reaction due to thermal treatments in nitrogen was investigated using SIMS, x-ray diffraction (XRD), TEM, XPS and SEM. Titanium starts to diffuse into the Al alloy layer at low temperatures such as 350°C. However, Ti has hardly any effect on the sheet resistance. Tungsten diffuses and reacts with Al above 450°C. The rugged interfacial reaction product formed after annealing at 450°C, which may be W(Al, Si)2, does not affect the sheet resistance. The needle-shaped reaction product formed after annealing above 500°C, which is Al12 W, is responsible for the large increase in sheet resistance. An aluminium oxide layer, several nanometres thick, formed on the Al alloy surface after annealing at 500°C acts as a W diffusion barrier.

Additional Material: 8 Ill.