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  • 1970-1974  (2)
  • 1973  (2)
  • ATP Hydrolysis  (1)
  • Polymer and Materials Science  (1)
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Material
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  • 1970-1974  (2)
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Metabolic aspects of the rhythmogenesis inAplysia pacemaker neurons (1973)
    Springer
    Pflügers Archiv 345 (1973), S. 179-193 
    Details
    ISSN: 1432-2013
    Keywords: Aplysia ; Pacemaker Neuron ; Glycolysis ; ATP Hydrolysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Completely isolatedAplysia pacemaker neurons were used to investigate mechanisms of endogenous electrical rhythmicity. This preparation allows the study of pure pacemaker activity free from synaptic, ephaptic and/or humoral influences from the surrounding cells. The effect of some substances quite different in their mode of biochemical action were tested: sodium iodoacetate, phloridzin, dinitrophenol, heavy water, and ouabain. Each of these substances suppressed the spontaneous spike activity without any marked depolarizing or hyperpolarizing effect. Spontaneous spike activity of the neurons silenced after addition of one of these substances reappeared after addition of glucose. The restoring effect of glucose failed in beating pacemaker neurons silenced by ouabain, but is present in ouabain silenced pacemaker cells of the oscillatory type. It is suggested that two basic biochemical processes: glycolysis and ATP hydrolysis are involved in the rhythmogenesis. The results offer some hints that the spike rhythms of pacemaker neurons depend on a certain balance between glycolytic processes and ATP hydrolysis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00586333
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Formalized poly(vinyl alcohol) membranes for reverse osmosis (1973)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 17 (1973), S. 789-796 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: The permeation properties of formalized poly(vinyl alcohol) membranes are described. The interest of this work is centered on the properties relevant to desalination by reverse osmosis. These membranes, when properly prepared, showed reasonably high water permeability, high salt rejection, and stability in the presence of acids and alkalies.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1973.070170311
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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