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  • Articles: DFG German National Licenses  (5)
  • 1980-1984  (3)
  • 1975-1979  (2)
  • 1880-1889
  • 1983  (3)
  • 1976  (2)
Source
  • Articles: DFG German National Licenses  (5)
Material
Years
  • 1980-1984  (3)
  • 1975-1979  (2)
  • 1880-1889
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    SODIUM AND CHLORIDE FLUXES IN SYNAPTOSOMES IN VITRO (1976)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 26 (1976), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: 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.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-4159.1976.tb06480.x
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Cleistogamy in Grasses (1983)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Ecology, Evolution, and Systematics 14 (1983), S. 411-441 
    Details
    ISSN: 0066-4162
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.es.14.110183.002211
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Erwin Frink Smith-Pioneer Plant Pathologist (1983)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Phytopathology 21 (1983), S. 21-27 
    Details
    ISSN: 0066-4286
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.py.21.090183.000321
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    Paper (German National Licenses)
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  • 4
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    Unknown
    THE STUDY OF LAW IN SOCIETY IN BRITAIN (1976)
    Beverly Hills, Calif. : Periodicals Archive Online (PAO)
    Law and society review. 10:4 (1976:Summer) 547 
    Details
    ISSN: 0023-9216
    Topics: Law
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:d430-1976-010-04-000005
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Breeding for anthocyanin colors in Rosa (1983)
    Springer
    Euphytica 32 (1983), S. 205-216 
    Details
    ISSN: 1573-5060
    Keywords: Rosa ; rose genetics ; flower pigments ; paper chromatography ; anthocyanin ; cyanin ; peonin ; pelargonin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary In breeding for color and winter hardiness in Rosa, more than 1200 progeny from 47 families were analyzed for anthocyanin pigments. Cyanin, peonin and pelargonin were found in 99%, 52% and 31% respectively, of the seedlings. Each pigment was highly heritable from seed or pollen parents or both. All showed quantitative inheritance, particularly cyanin and peonin. A system is proposed to explain most of the synthetic pathways and controls for anthocyanin production in roses.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00036881
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    Paper (German National Licenses)
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