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  • 1
    ISSN: 1432-0533
    Keywords: Subacute spongiform encephalopathy ; Creutzfeldt-Jakob disease ; Experimental transmission ; Small rodents ; Transmissible agent
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Further experimental transmission of Creutzfeldt-Jakob disease (CJD) from three patients to mice and rats was carried out successfully. The clinical signs and pathologic features of spongiform encephalopathy transmitted to animals were much the same as in previous experiments, except that distribution of the lesions in the mice differed with each inoculated material taken from the patients. These observations suggest the multiplicity of CJD agents, as in the case of scrapie agents.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European archives of psychiatry and clinical neuroscience 231 (1982), S. 123-130 
    ISSN: 1433-8491
    Keywords: Membranous lipodystrophy ; Lipomembranous polycystic osteodysplasia ; Calcification of basal ganglia ; Dementia ; Enzyme deficiency ; Membranöse Lipodystrophie ; Lipomembranöse polycystische Osteodysplasie ; Verkalkung der Basalganglien ; Demenz ; Enzymdefekt
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Klinische und histologische Befunde des Knochens bei einer 35jährigen Hausfrau mit membranöser Lipodystrophie (Nasu) oder lipomembranöser polycystischer Osteodysplasie (Hakola et al.) wurden beschrieben. Hauptsymptome der Patientin war progressive Demenz. Knochensymptome waren bis jetzt nicht bemerkt. Das Computertomogram des Gehirns zeigte Verkalkung der Basalganglien beiderseits. Multiple cystische Herde wurden auf dem Röntgenogramm der Beine dargestellt, und membrano-cystische Struktur wurde im Knochenmark des Talus mikroskopisch gefunden. Die chemische Analyse der Fettsäure des Talusknochenmarkes und Lysosomenzyme der weißen Blutkörperchen enthalten keine spezifischen Befunde. Mögliche Beziehung zwischen membranöser Lipodystrophie und Bindegewebserkrankungen wurde diskutiert.
    Notes: Summary The case is described of a 35-year-old housewife diagnosed as having membranous lipodystrophy (as described by Nasu et al. in 1970 and called lipomembranous polycystic osteodysplasia by Hakola in 1972). The main symptom of this patient was a slowly progressive dementia. Skeletal symptoms were not seen. The computerized tomogram of the brain showed calcification of bilateral basal ganglia and the plain roentgenograms of the bones revealed cystic radiolucent areas at the distal end of the bones of the patient's extremities. Histological examination of the curetted material from the right talus revealed a ‘membranocystic’ pattern. The fatty tissue curetted from the cyst of the talus and the lysosomal enzymes of the white blood cells were biochemically normal. A possible relationship between this disease entity and connective disorders is considered.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Experimental mechanics 38 (1998), S. 1-7 
    ISSN: 1741-2765
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The fracture behavior of partially stabilized zirconia (PSZ) and silicon-nitride ceramics (Si3N4) is investigated under dynamic loading at elevated temperatures up to 1200°C using the caustic method combined with an ultra high-speed camera. The values of the dynamic fracture toughnessK Id and the crack-propagation fracture toughnessK ID are obtained, and it is shown that a dynamic effect on these values is observed in PSZ but not in Si3N4. The dynamic crack arrest toughnessK Ia is found to exist for PSZ.
    Type of Medium: Electronic Resource
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