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  • 1980-1984  (2)
  • 1960-1964
  • 1920-1924
  • Dialysis  (1)
  • Polymer and Materials Science  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Archives of dermatological research 271 (1981), S. 401-405 
    ISSN: 1432-069X
    Keywords: Psoriasis ; Dialysis ; Solutes in middle molecular weight range ; Psoriasis ; Dialyse ; mittlere Moleküle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei einem Patienten, der mit der peritonealen Dialyse behandelt wurde, heilten die psoriatischen Herde völlig ab. Bei zwei weiteren Patienten waren die Resultate nicht befriedigend. Bei den behandelten und den drei nicht behandelten Patienten war die celluläre Immunität augenscheinlich unterdrückt. Dieses Phänomen ist mit den immunologischen Veränderungen bei Personen mit einer Urämie zu vergleichen. Organische Verbindungen von mittlerem Molekulargewicht, wozu auch die Gruppe der urämischen Toxine gehört, unterdrücken die celluläre Immunität. Deshalb wurden diese Verbindungen bei Psoriatikern untersucht. Der Spiegel der SMMWR war vor jeder Dialyse tiefer als danach, obwohl deren Konzentration während der Dialysebehandlung leicht anstieg. Dies läßt vermuten, daß diese SMMWR-Substanzen in der Epidermis fixiert sind oder im Bereiche der Capillaren vorliegen und dementsprechend während der Dialyse von diesen Orten freigesetzt werden. Die Peritonealdialyse scheint mehr eine wirksamere Behandlungsmethode der Psoriasis zu sein als die Hämodialyse. SMMWR-Substanzen können eine wichtige Rolle in dem Pathomechanismus der multifaktoriellen Erkrankung darstellen.
    Notes: Summary In one patient treated by peritoneal dialysis for psoriasis the skin lesions cleared completely. In two persons hemodialysis gave unsatisfactory results. In treated and another three untreated patients cellular immunity was evidently suppressed. This phenomenon is similar to the immunologic changes in persons with uremia. Solutes in middle molecular weight range (SMMWR) suppress cellular immunity. These compounds were therefore investigated in psoriatics. The level of SMMWR was lower before than after each dialysis, although their concentration increased slightly during the dialytic treatment. This suggests that solutes in middle molecular weight are fixed in the epidermis and/or in the walls of the skin capillaries and that dialysis liberates them from these places. Peritoneal dialysis seems to be a more effective method of treating psoriasis than hemodialysis. Solutes in middle molecular weight range might play an important role in the pathomechanisms of this multifactorial disease.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Chemistry Edition 21 (1983), S. 2845-2861 
    ISSN: 0360-6376
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The morphology of polybutylacrylate-polystyrene (PBA-PS) core-shell latex particles prepared by seeded emulsion polymerization was investigated as a function of the addition method of styrene (St). The thin layer chromatography/flame ionization detector (TLC-FID) technique was used to characterize the morphology of the core-shell latexes. It was found that grafting PS to the PBA core occurs during seeded emulsion polymerization. The percentage of grafting depended on the method of addition of St, being greatest for the batch reaction, less for the preswollen batch reaction, and least for the semibatch reaction. Upon aging the PBA core-polymer migrated out of the latex particles with a low degree of grafting to form dumbellshaped particles, whereas the PBA-PS core-shell particles with a high degree of grafting remained spherical because of the emulsifying ability of graft copolymer.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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