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  • 11
    Electronic Resource
    Electronic Resource
    Die Potenzierung der Betazol-stimulierten Magensaftsekretion durch Prednisolon beim Hund (1978)
    Springer
    Research in experimental medicine 172 (1978), S. 277-286 
    Details
    ISSN: 1433-8580
    Keywords: Prednisolone ; Gastric acidity ; Stress ulcer ; Prednisolon ; Magensekretion ; Streßulkus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In 5 Untersuchungsgruppen (46 Hunde) wird die Wirkung einer einmaligen hohen Dosis Prednisolon (40 mg/kg i.v.) auf die Magensekretion untersucht. Ein Akuteffekt ist nicht nachweisbar. Die Kombination der gleichen Dosis mit einer Betazolstimulation (5 mg/kg s.c.) ergibt eine signifikante Potenzierung der Betazolwirkung. Der Potenzierungseffekt ist durch trunkuläre Vagotomie aufhebbar. Als Wirkungsmechanismus sind eine cholinergische Reaktion und eine Beeinflussung des Histaminstoffwechsels zu diskutieren.
    Notes: Summary In a total of 46 dogs divided into 5 groups the acute effect of a high dose of prednisolone (40 mg/kg i.v.) on betazol stimulated gastric secretion (5 mg/kg s.c.) was investigated. There was no effect of prednisolone alone. The combination of betazol and prednisolone showed a significant potentiation of betazol stimulation. This effect was not seen after truncal vagotomy before stimulation. The mechanism is either cholinergic or an interaction in the metabolism of histamine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01855838
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  • 12
    Electronic Resource
    Electronic Resource
    Radius, perimeter, and density profile for percolation clusters and lattice animals (1979)
    Springer
    The European physical journal 34 (1979), S. 399-408 
    Details
    ISSN: 1434-6036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Monte Carlo simulation and “series expansion” shows the radius of gyration of large clusters withs sites each to vary ass ρ withρ≃0.56 in two andρ≃0.47 in three dimensions at the percolation threshold, and withρ(d=2)≃0.65 andρ(d=3)≃0.53 for random lattice animals (zero concentration). Clusters up tos=100 were used. The perimeter of random animals approaches 2.8s for larges on the simple cubic lattice. Monte Carlo simulation of the Eden process (“growing animals”) up tos=5,000 indicates a systematic variation of about ±0.05 for the effective exponentρ=ρ(s) and thus suggests that the true asymptotic exponents may be compatible with the predictions of “hyper”-scaling.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01325205
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    Paper (German National Licenses)
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