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  • 1
    Electronic Resource
    Electronic Resource
    Widely distributed Bunina bodies and spheroids in a case of atypical sporadic amyotrophic lateral sclerosis (1991)
    Springer
    Acta neuropathologica 81 (1991), S. 349-353 
    Details
    ISSN: 1432-0533
    Keywords: Amyotrophic lateral sclerosis ; Bunina body ; Clarke's nucleus ; Onuf's nucleus ; Electron microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We report the autopsy findings of an 81-year-old patient with short-course sporadic amyotrophic lateral sclerosis lasting approximately 5 months. Pathological findings were probably very early. Light microscopy showed abundant eosinophilic Bunina type inclusions widely distributed not only in the motor neurons of the spinal cord and brain stem but also in neurons of the Onuf's and Clarke's nuclei. Fine structural study revealed that the inclusions seen in the Clarke's nuclei were identical to Bunina bodies observed in anterior horn cells. A direct connection between axonal swelling and perikaryon was often seen in the facial and hypoglossal nuclei and in the spinal cord. Ubiquitin-positive Lewy body-like inclusions and central chromatolysis-like changes were also found in the anterior horn cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00305880
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Optical properties and origin of infrared light scattering centers in undoped semi-insulating GaAs crystals (1987)
    Springer
    Applied physics 42 (1987), S. 103-109 
    Details
    ISSN: 1432-0630
    Keywords: 61.70.r ; 78.90.+t ; 72.80.Ey
    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 wavelength dependence and polarization characteristics of the infrared light scattered from an undoped GaAs crystal were investigated in the 90° angle infrared light scattering configuration. The scattering is Rayleigh scattering from scatterers which are always associated with the dislocations, and they are classified into three types,S, L A , andL G scatterers, according to their polarization characteristics. TheS, L A , andL G -scatterers are thought to be small As clusters, large As precipitates and large Ga precipitates, respectively.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00616718
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    Paper (German National Licenses)
    Fulltext
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