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  • Caloric stimulation  (1)
  • Carnosine  (1)
  • Chemistry  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/General Subjects 1115 (1991), S. 15-22 
    ISSN: 0304-4165
    Keywords: Active oxygen species ; Anti-ulcer drug ; Antioxidant ; Carnosine ; Free radical ; Zinc
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European archives of oto-rhino-laryngology and head & neck 251 (1994), S. 48-51 
    ISSN: 1434-4726
    Keywords: Caloric stimulation ; Scarpa's ganglion ; Static tilt ; Coefficient of variation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The influence of caloric stimulation on the primary vestibular fibers originating from the otolith organ was investigated in the guinea pig. Firing rates were recorded from single vestibular neurons in the superior vestibular (Scarpa's) ganglion which were identified physiologically as originating from the otolith organs, mainly from the utricles. Eighty-six percent of the neurons responded to caloric stimulation. Neurons with a high coefficient of variation of firing regularity reacted more sensitively to tilting and also had a tendency to react more sensitively to caloric stimulation. There was a tendency for neurons with increased firing rates in response to ipsilateral tilting to have increased firing rates to warm stimulation, while neurons whose rates increased to contralateral tilting had increased firing rates to cold stimulation. These results indicate that the otolith organs have the same unidirectional tendency to caloric simulation with results comparable to optimal tilting directions.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 28 (1973), S. 111-119 
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Die Reaktionen von Polyvinylchlorid (PVC) mit einigen nucleophilen Agentien wie Azid-, Thiophenoxid-, und Dithiocarbamat-Ionen kommen in Wasser nicht zustande. Die heterogenen Reaktionen werden von kationenoberflächenaktiven Substanzen wirksam katalysiert. Harnstoff und Methylalkohol, die hydrophobe Bindungen zerbrechen, inhibieren die Reaktion. Auf Grund experimenteller Daten wird angenommen, daß die kationenoberflächenaktiven Substanzen von dem in Wasser suspendierten pulvrigen PVC adsorbiert werden und daß die positive Ladung die nucleophilen Agentien heranbringt.
    Notes: The reactions of poly(vinyl chloride) (PVC) with some nucleophiles such as azide, thiophenoxide and dithiocarbamate ions do not take place in water. These heterogeneous reactions are remarkably catalyzed by cationic surfactants. Urea and methanol which destroy hydrophobic bondings inhibit the reaction. On the basis of the experimental data it was assumed that the cationic surfactants are adsorbed on the surface of the suspended PVC powder and that the positive charges attract the nucleophiles.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
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