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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Acta neuropathologica 45 (1979), S. 43-45 
    ISSN: 1432-0533
    Keywords: Cerebrotendinous xanthomatosis ; Segmental demyelination ; Remyelination ; Sural nerve ; Onion bubl
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In a case of cerebrotendinous xanthomatosis (CTX), confirmed biochemically and histologically, quantitative histological studies of the biopsied sural nerve revealed significantly higher incidence of de- and remyelination and onion bulb than in controls. The density of total myelinated fibers fell within the range of controls, although the density of large myelinated fibers seemed to be slightly decreased. It was suggested that the preferential involvement of the myelin sheath and Schwann cell may exist in CTX.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 28 (1995), S. 341-346 
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: A new type of X-ray apparatus with an image plate as an area detector has been developed in order to study phase transitions at low temperatures. The system is essentially composed of a high-precision-type double-axis diffractometer with a vertical-type Weissenberg camera controlled by a computer and is combined with a helium-gas closed-cycle cryogenic refrigerator. Oscillation and Weissenberg photographs down to 12 K were taken with an image plate. The image plate is replaced easily by a conventional scintillation counter, so that both photographic and counter methods are available. New superlattice reflections associated with the phase transition of an isolated hydrogen-bond system, K3D(SO4)2, were observed at 15 K, and the space group of the low-temperature phase was determined. The anisotropic diffuse scattering around Bragg reflections in Fe–30.2 at.% Pd was also clearly observed in connection with a martensite phase transition.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 31 (1998), S. 91-93 
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: In-plane local arrangements of Ag atoms in the stage-2 intercalation compound Ag0.15TiS2 are visualized by the Monte Carlo simulation technique with the use of two-dimensional short-range order parameters. Microregions of the 31/2× 31/2 R30° in-plane ordered arrangement become more numerous with decreasing temperature, while the numbers of the other possible ordered arrangements do not depend on temperature.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of neurology 221 (1979), S. 137-149 
    ISSN: 1432-1459
    Keywords: Mucolipidosis ; β-galactosidase deficiency ; Sialidase deficiency ; Vacuole ; Sialoglycoprotein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Ein Fall der Mukolipidose im Erwachsenenalter mit β-Galaktosidase-und Sialidasemangel wurde bemerkt. Die Patientin, ein zwanzigjähriges Fräulein, wies Intelligenzmangel, Kornealtrübung, Gargoylismus, zerebellare Ataxie, Myoklonus und Konvulsion auf, die im Alter von 14 Jahren auftraten. Die skeletale Deformität und die Vakuolenbildung in peripheren Lymphocyten und in förmigen Zellen im Knochenmark waren auch bemerkbar. Bei Probeuntersuchungen des N.suralis und Appendix vermiformis wurden viele Vakuolen in fast allen Zellen gefunden, aber das gespeicherte Material in diesen Vakuolen konnte durch enzymhistochemische und ultrastrukturelle Untersuchungen nicht charakterisiert werden. Die Mängel der β-Galaktosidase und der Sialidase in Leukozyten wurden bemerkt. Es gab vermehrtes Sialylglykopeptid im Harn und Sialylsäure und Hexosamin im Glykoprotein der Lymphozyten. Leukozytensialidase der Eltern wurde in 30–50% der normalen Menge gefunden. Dieses Resultat ergibt, daß unser Fall einen genetischen Defekt der Sialidase aufweist.
    Notes: Summary A case of adult type mucolipidosis with β-galactosidase and sialidase deficiency is described. This patient, a woman aged 20, had mental retardation, macular cherry-red spots, corneal clouding, gargoyle-like face, cerebellar ataxia, myoclonus and convulsions beginning at the age of 14. Bony deformities, vacuoles in the peripheral lymphocyte and foamy cells in the bone marrow were also noted. Biopsy study of the sural nerve and vermiform appendix disclosed many vacuoles in almost every kind of cells, although the accumulated substance in these vacuoles could not be characterized histochemically or ultrastructurally. Deficient leukocyte β-galactosidase and sialidase were confirmed. There was increased urinary sialoglycopeptide and increased siliac acid and hexosamine in the glycoprotein of lymphocytes. Leukocytes sialidase activities of the parents were 30 to 50% of the control values. These results suggest a genetic defect of sialidase.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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