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  • 1980-1984  (1)
  • 1975-1979  (1)
  • Mikroelektrophorese  (1)
  • anion effect  (1)
  • 1
    ISSN: 1432-1440
    Keywords: Polyacrylamide-gradient gels ; microelectrophoresis ; proteinuria ; glomerulonephritis ; Polyacrylamid-Gradientengele ; Mikroelektrophorese ; Proteinurie ; Glomerulonephritis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird über die Anwendung der Mikroelektrophorese in Polyacrylamid-Gradientengelen zur Differenzierung der Proteinurie bei Glomerulonephritis berichtet. Die zeitlichen und methodischen Vorteile dieser Elektrophorese erlauben eine routinemäßige Durchführung in der Klinik. Durch die Auftrennung der Urinproteine nach ihrer Molekulargröße und Form lassen sich vier Proteinuriemuster unterscheiden: kleinmolekular, mittelmolekular, intermediär und hochmolekular. Glomerulonephritisformen, die konstante morphologische und klinische Veränderungen zeigen (z.B. minimal proliferierende Glomerulonephritis, mesangioproliferative Glomerulonephritis mit diffuser Halbmondbildung), lassen eine Zuordnung ihrer Proteinurie zu einem der vier Proteinuriemuster zu, während bei den anderen Glomerulonephritisformen (z.B. perimembranöse Glomerulone-phritis, mesangioproliferative Glomerulonephritis) eine Abhängigkeit des Proteinuriemusters von der Glomerulonephritisphase vermutet wird.
    Notes: Summary It is possible to differentiate the proteinuria of glomerulonephritis by means of microelectrophoresis in polyacrylamide-gradient gels. The advantages of this method (quick, cheap, concentration of the urine not required) led to its introduction into clinical use. Upon separating the urinary proteins according to their molecular weight and form, four patterns of proteinuria may be differentiated: low molecular, middle molecular, intermediate and high molecular. Those forms of glomerulonephritis which show constant morphological and clinical findings (e.g. minimal proliferative glomerulonephritis, mesangioproliferative glomerulonephritis with crescents) can be related to one of the four patterns of proteinuria, whereas the pattern of proteinuria in other forms of glomerulone-phritis (e.g. (peri-)membranous glomerulonephritis, mesangioproliferative glomerulonephritis) are dependent on the phase of the disease.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    The journal of membrane biology 68 (1982), S. 47-56 
    ISSN: 1432-1424
    Keywords: hydrostatic pressure ; potassium flux ; erythrocyte membrane ; water of hydration ; anion effect ; thermodynamic analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Summary The effects of hydrostatic pressure and temperature on the three components of K+ uptake in human red cells have been investigated, using ouabain and bumetanide to distinguish between the pump, passive diffusion and cotransport. The pressure sensitivity for passive diffusion has been shown to depend on the counter-ion present. The order of this effect, Cl−〉Br−〉NO 3 − 〉I−, is the same as for the ionic partial modal volumes and the Hofmeister series. We have analyzed our experimental results thermodynamically, and propose a model for the activated transition-state complex of the potassium ion which involves the loss of water molecules from the secondary hydration shell, cosphere II.
    Type of Medium: Electronic Resource
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