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  • 1980-1984  (2)
  • 1975-1979  (1)
  • 85.60  (1)
  • Neuroplasticity  (1)
  • Saure Glykosaminoglykane im Innenohr und anderen Organen  (1)
  • 1
    Electronic Resource
    Electronic Resource
    A comparison of acidic glycosaminoglycans in the inner ear and other organs: Electrophoretic microanalysis (1976)
    Springer
    European archives of oto-rhino-laryngology and head & neck 214 (1976), S. 149-155 
    Details
    ISSN: 1434-4726
    Keywords: Acidic glycosaminoglycans in inner ear and other organs ; Electrophoretic microanalysis ; Saure Glykosaminoglykane im Innenohr und anderen Organen ; Elektrophoretische Mikroanalyse
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die quantitative und qualitative Analysen der sauren Glykosaminoglykane in den Grundsubstanzen der lateralen Wand des häutigen Labyrinths, der Nieren, des Gehirns und der Leber von Meerschweinchen wurden mittels der elektrophoretischen Mikroanalysenmethode ausgeführt. Die laterale Wand der Schnecke enthielt die höchste Menge (0,46±0,08% pro Trockengewicht) der sauren Glykosaminoglykane, die aus Chondroitinsulfat-B (75%), Chondroitinsulfat-A (12%) und Hyaluronsäure (13%) bestanden. Jedoch schwankt die Zusammensetzung der Glykosaminoglykane im Innenohr, ebenso wie in den anderen Organen, erheblich. Eine mögliche Bedeutung der Glykosaminoglykane für die Funktion des Hörorgans wurde diskutiert.
    Notes: Summary Acidic glycosaminoglycans in the ground substance of the membranous cochlear lateral wall, kidney, brain and liver of the guinea pigs were quantitatively and qualitatively analyzed, using electrophoretic microanalysis. The lateral wall of the cochlea showed highest content (0.46±0.08%/D.W.) of acidic glycosmainoglycans, which were chondroitin sulfate-B (75%), chondroitin sulfate-A (12%) and hyaluronic acid (13%). However, the pattern of these acidic glycosaminoglycans in the inner ear differed from the other organs. A possible role of acidic glycosaminoglycans in the inner ear was discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00453611
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The human Purkinje cells (1982)
    Springer
    Acta neuropathologica 56 (1982), S. 255-264 
    Details
    ISSN: 1432-0533
    Keywords: Golgi method ; Purkinje cell ; Dendrite ; Neuroplasticity ; Neuropathology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Purkinje cells from five autopsy cases (a premature newborn infant, a GM1-gangliosidosis, an olivo-ponto-cerebellar atrophy, a multisystem atrophy involving the spinal cord and the brain stem, and a woman of 82 years) were studied using the Golgi impregnation technique. The results were the following: (1) the Purkinje cells showed different abnormalities in each case; (2) the dedrite and cell body showed not only involutive/degenerative but also progressive/plastic changes at the same time in some cases; (3) Purkinje cells which appeared normal in routine histological preparations showed, in some cases, abnormalities of the dendrite and cell body; (4) the abnormality common to the five cases was the loss of branchlet-spines and/or spiny branchlets, probably resulting in loss of the granule cell-Purkinje cell connection. It is discussed that the Golgi technique as applied to morbid human material will be an indispensable tool in the future for the analysis of disease processes on cellular and neurobiological bases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00691256
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Fundamental absorption edge of evaporated amorphous WO3 films (1981)
    Springer
    Applied physics 24 (1981), S. 55-59 
    Details
    ISSN: 1432-0630
    Keywords: 78.20 ; 42.80 ; 85.60
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The fundamental absorption edge of evaporated WO3 films is investigated. The optical gap of the virgin film is estimated to be 3.41 eV at room temperature and it decreases with increase of annealing temperature up to 200°C. Annealing at 300°C leads to change in the spectral shape, which is caused by crystallization. For the films annealed at 200°C, temperature coefficient of the optical gap is estimated to be −2×10−4 eV/K and the slope of Urbach's tail is found to be independent of measuring temperature up to 200°C. With electrolytic coloration, shift of the optical gap toward higher energy is observed. Magnitude of this shift is estimated to be 0.05 eV at the color center concentration of 7.5×1021 cm−3 when H+ electrolyte is used. If Li+ electrolyte is used, the magnitude of this shift is about three times larger than in the case of H+ electrolyte. This fact is interpreted by a small change in the host matrix structure owing to the injection of proton or Li+ during coloration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00900398
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    Paper (German National Licenses)
    Fulltext
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