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  • 1975-1979  (10)
  • 1960-1964  (2)
  • 1935-1939  (4)
Materialart
Erscheinungszeitraum
Jahr
  • 1
    Digitale Medien
    Digitale Medien
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 81 (1977), S. 491-494 
    Quelle: ACS Legacy Archives
    Thema: Chemie und Pharmazie , Physik
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 26 (1976), S. 0 
    ISSN: 1471-4159
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Synaptosomes incubated in a physiological saline extrude sodium and take up potassium. As would be expected this process is completely blocked by metabolic inhibitors such as cyanide and iodoacetate. However, when metabolic inhibitors are replaced by ouabain (100 μM) there is an increase in the steady state intrasynaptosomal sodium and chloride content even though there is no change in the potassium content. The increases are prevented when synaptosomes are incubated with metabolic inhibitors in addition to ouabain. There is therefore a ouabain-insensitive process that transports sodium, chloride and concomitantly water into synaptosomes. It appears not to function when the supply of metabolic energy is inhibited. The diuretic furosemide (1 mM) in the presence of ouabain inhibits the entry of sodium and chloride without affecting the intrasynaptosomal potassium concentration. Ethacrynic acid (1 mM) has a somewhat similar effect but in addition appears to damage the synaptosome membrane.Kinetic measurements were made of the uptake of sodium, potassium and chloride under conditions of metabolic inhibition and the permeability constants of the membrane determined. Values of 0.068, 0.117 and 0.032 × 10-6 (cm s-1) were found for the permeability constants of the membrane to (respectively) sodium, potassium and chloride. Measurements of the rate of uptake in the presence of ouabain revealed an inwardly directed sodium and chloride flux of 5-20 pmol cm-2 s-1. Calculation of the fluxes from the steady state ion concentrations also reveals an inwardly directed sodium and chloride flux, though of lesser magnitude. The influx of water is less than would be expected to preserve osmotic equality suggesting that the translocation of sodium and chloride is the primary event. Although its function remains uncertain the flux has a considerable effect on the ion content of synaptosomes.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Phytopathology 15 (1977), S. 361-385 
    ISSN: 0066-4286
    Quelle: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft , Biologie
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Cambridge : Cambridge University Press
    Philosophy 11 (1936), S. 239-240 
    ISSN: 0031-8191
    Quelle: Cambridge Journals Digital Archives
    Thema: Philosophie
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    Cambridge : Cambridge University Press
    Philosophy 10 (1935), S. 154-167 
    ISSN: 0031-8191
    Quelle: Cambridge Journals Digital Archives
    Thema: Philosophie
    Notizen: The problem of suffering is essentially a problem in philosophical theology. For many philosophical systems the phenomena of suffering set no special problem at all. The most influential philosophies of the present age, for example, have almost nothing to say on the subject—and there is no reason why, on their metaphysical; principles, they should say anything. The problem is a relevant one only for those philosophies which claim to be in at least general accord with the “religious interpretation of the universe.” But for them it is crucial. Given a Weltanschauung like that of Absolute Idealism, for which the ultimate principle from which all things derive their being is an Infinite and Perfect Spirit, and it becomes at once a clear obligation to offer some explanation of how we are to reconcile the Goodness of God with the existence in the world of so much suffering which is prima facie just bad. As we all know, the problem is an extraordinarily hard one to solve. But, inasmuch as the religious interpretation of the universe demands its solution as a condition of its own possibility, its importance is proportionate to its difficulty.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    Cambridge : Cambridge University Press
    Philosophy 37 (1962), S. 263-268 
    ISSN: 0031-8191
    Quelle: Cambridge Journals Digital Archives
    Thema: Philosophie
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 7
    Digitale Medien
    Digitale Medien
    Cambridge : Cambridge University Press
    The @Cambridge law journal 22 (1964), S. 156-156 
    ISSN: 0008-1973
    Quelle: Cambridge Journals Digital Archives
    Thema: Rechtswissenschaft
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 8
    Digitale Medien
    Digitale Medien
    Cambridge : Cambridge University Press
    Philosophy 11 (1936), S. 98-102 
    ISSN: 0031-8191
    Quelle: Cambridge Journals Digital Archives
    Thema: Philosophie
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 9
    Digitale Medien
    Digitale Medien
    Cambridge : Cambridge University Press
    Philosophy 10 (1935), S. 107-108 
    ISSN: 0031-8191
    Quelle: Cambridge Journals Digital Archives
    Thema: Philosophie
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 10
    Digitale Medien
    Digitale Medien
    Springer
    Marine biology 33 (1975), S. 341-345 
    ISSN: 1432-1793
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract A population of the bivalve mollusk Tridacna maxima (Röding) from Hron Island, Great Barrier Reef, Australia, was studied by gel electrophoresis, and proved to be highly variable genetically, with an average heterozygosity of about 22%. This compares closely with a population of T. maxima from Enewetak (Eniwetok) Atoll, with an average heterozygosity of about 20%, very high for marine organisms. Enewetak Atoll was the site of a series of nuclear tests. The Heron Island study verifies that the high variability is natural, and supports the hypothesis that species from trophically stable environments tend to be highly variable genetically.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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