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  • 1975-1979  (3)
Material
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 45 (1979), S. 237-246 
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Four cases of persistent cerebrospinal fluid rhinorrhoea through the ethmoid sinus are presented. Using the operative microscope, the margin of the dural defect was easily identified, and a pedicled dural flap supplied by branches of a meningeal artery was successfully sutured to the dural margin in a watertight fashion without increasing pre-existing neurological deficits. To prevent intracranial infection, the watertight closure with a predicled dural flap is presumably more complete and reasonable than are various grafts without vascular circulation.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Archives of virology 54 (1977), S. 241-249 
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The variables which affect the interaction between freeze-dried one-day-old chick erythrocytes and rubella hemagglutinin prepared from rubella-infected porcine kidney cells were defined and evaluated. The sensitivity of the hemagglutination (HA) reaction is much greater at pH 6.0 to 6.2 than at pH 7.0 to 7.5. HEPES (N-2-hydroxyethylpiperazine-N'-2'-ethanesulfonic acid) diluent with added Ca2+ or Mg2+ ion gave four- to eightfold higher HA titers than one without divalent cations. The development of agglutinated and non-agglutinated erythrocyte patterns depended much upon the concentrations of gelatin and albumin in the HEPES diluent. Gelatin especially was essential to obtain stable and clearly distinguishable patterns. Optimal conditions for the agglutination of freeze-dried erythrocytes by rubella hemagglutinin were provided when a HEPES-buffered saline at pH 6.2, containing 10−3 m CaCl2, 0.2 per cent bovine serum albumin, and 0.0025 per cent gelatin was employed throughout as a diluent for serum, hemagglutinin, and freeze-dried erythrocyte suspension. This diluent gave maximally sensitive and reproducible results in rubella HA and hemagglutination-inhibition (HI) tests employing freeze-dried erythrocytes.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 256 (1978), S. 203-203 
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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