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  • 1
    Electronic Resource
    Electronic Resource
    Nasu-Hakola's disease (membranous lipodystrophy) (1987)
    Springer
    Acta neuropathologica 74 (1987), S. 294-299 
    Details
    ISSN: 1432-0533
    Keywords: Nasu-Hakola's disease ; Membranous lipodystrophy ; Axonal spheroids ; Membranocystic change ; Glio-myelin dissociation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary An autopsy case of Nasu-Hakola's disease (membranous lipodystrophy) is reported. A 43-year-old Japanese man, whose parents were not consanguineous, had been suffering from frequent long bone fractures since the age of 10. Neuropsychiatric symptoms, which were characterized by euphoria, disturbance of attention and dementia, appeared at his thirties and generalized and/or localized seizures and apallial syndrome at the later stage. The neuropathology revealed diffuse leukoencephalopathy of the cerebrum. The peculiar aspects in this case were membranocystic changes in the lungs [Yagishita et al. Virchows Arch [A] 408:211–217 (1985)], diffuse degeneration of the cerebral cortex, chiefly in frontal and temporal lobes, and many axonal spheroids throughout the cerebral cortex. The ultrastructure of spheroids in the cerebral cortex demonstrated aggregations of mitochondria, dense bodies and minute concentric bodies and a small amount of neurofilaments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00688195
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  • 2
    Electronic Resource
    Electronic Resource
    Improvement in the boron doping efficiency of hydrogenated amorphous silicon carbide films using BF3 (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 54 (1989), S. 904-906 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Wide optical gap (2.0 eV) boron-doped hydrogenated amorphous silicon carbide films were prepared by the plasma-assisted chemical vapor deposition technique from a SiH4+CH4+BF3+H2 gas mixture for the first time. The film showed a photoconductivity of 1×10−5 S/cm under 1 sun illumination, which was higher by a factor of 5 than the films doped with B2H6.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.100803
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  • 3
    Electronic Resource
    Electronic Resource
    Preparation of highly photoconductive hydrogenated amorphous silicon carbide films with a multiplasma-zone apparatus (1989)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 65 (1989), S. 2439-2444 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Highly photoconductive hydrogenated amorphous silicon carbide (a-SiC:H) films were prepared by alternating monolayer deposition and hydrogen passivation by the plasma-assisted chemical vapor deposition technique with a multiplasma-zone apparatus. With this apparatus, the hydrogen-coverage factor of the growing film surface was increased by the hydrogen plasma in the H-passivation zone. The a-SiC:H films grown by repeating deposition of the 3-A(ring)-thick layer on the hydrogen-covered surface showed lower densities of spin and tail states than those of continuously deposited films. Infrared spectra showed that absorption intensities of the carbon polyhydride modes (2890 and 2940 cm−1) decreased and those of the silicon monohydride mode (2000 cm−1) increased with decreasing stacking layer thickness, which suggested formation of a dense network structure. The hydrogen-coverage factor of the growing film surface was estimated from the dependence of carbon content in the film on the hydrogen-passivation time and the stacking layer thickness. Under optimized conditions, the film with a photoconductivity of 3×10−5 S/cm and an optical gap of 1.91 eV was prepared.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.342813
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  • 4
    Electronic Resource
    Electronic Resource
    Characterization of a-Si1−xCx:H/a-Si:H and a-SiN:H/a-Si:H heterojunctions by photothermal deflection spectroscopy (1988)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 63 (1988), S. 2346-2351 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The subgap absorption spectra for hydrogenated amorphous silicon carbide/silicon (a-Si1−x Cx :H/a-Si:H) and silicon nitride/silicon (a-SiN:H/a-Si:H) alternatively multilayered films were measured by photothermal deflection spectroscopy and the defect density at the heterojunction was evaluated from the increase in absorption shoulder with the number of layering periods. The defect density at the a-Si0.66 C0.34 :H/a-Si:H heterojunction increased with increasing a-SiC:H layer thickness, while that at the a-Si0.50N0.50@B:H/a-Si@B:H heterojunction showed no dependence on the a-SiN:H layer thickness and was 1.4×1011 cm−2 . The defect density at the a-Si1−x Cx :H/a-Si:H heterojunction increased to 1×1011 cm−2 with increasing carbon content in the 0.1–0.5 range. Hydrogen dilution of the starting gases of the a-SiC:H layer was effective to decrease the interface defect density to less than 2×1010 cm−2 . A graded composition layer at the a-SiC:H/a-Si:H interface did not decrease the defect density.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.341050
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  • 5
    Electronic Resource
    Electronic Resource
    Gingival pigmentation beneath a metallic crown: light and electron microscopic observations and energy dispersive X-ray analysis. (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral pathology & medicine 17 (1988), S. 0 
    Details
    ISSN: 1600-0714
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Light and electron microscopic studies and energy dispersive X-ray analysis disclosed that the essential cause of gingival discoloration following the placement of a metallic crown, was marked deposition of melanin pigment. Deposition of melanin pigment was observed in epithelial cells, on basement membranes, and in fibroblasts, macrophages and among intercellular ground substance of the proprial layer. Brown or dark brown colored granules were observed in the deep portion of the proprial layer. Some metallic elements as silver and sulfur were detected. It was presumed that these materials were dental metals accidentally implanted in gingival tissues during the therapeutic procedure. The deposition of melanin pigment closely corresponded with mucosal tissue where these materials were present in the deep portion of the proprial layer. These findings suggested that these materials influenced the physiological metabolism of melanin and induced its pathological deposition in the proprial tissue.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0714.1988.tb01306.x
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  • 6
    Electronic Resource
    Electronic Resource
    Pathological characteristics metastatic carcinoma in the human mandible (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral pathology & medicine 16 (1987), S. 0 
    Details
    ISSN: 1600-0714
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Based on the large celloidin-embedded section method, human mandibles from 62 autopsied carcinoma cases were examined histologically to determine the pathological characteristics of any mandibular metaslases. Metastasis was confirmed histologically in 10 (16%) of the 62 cases and was comparatively frequent with gastric and pulmonary carcinomas. The hemopoietic areas in the mandibular marrow seemed to favor the early deposition of tumor cells. These micrometastatic foci seemed to increase in size, spreading to all parts, including the periodontal tissue or anterior part of the mandibular body. Increased hemopoietic activity following lodgement, seemed to play an important role for further metastases. Roentogenographic examination did not seem to be the best method of detecting metastasis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0714.1987.tb00709.x
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  • 7
    Electronic Resource
    Electronic Resource
    Membranocystic lesions of the lung in Nasu-Hakola disease (1985)
    Springer
    Virchows Archiv 408 (1985), S. 211-217 
    Details
    ISSN: 1432-2307
    Keywords: Nasu-Hakola disease ; Membranocystic lesion ; Pulmonary involvement ; Electron microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Massive membranocystic lesions of the lung were found in an autopsy case of Nasu-Hakola disease. The membranocystic structures are virtually identical to those found in adipose tissue, including bone marrow. Capillary endothelia and alveolar epithelial lining cells do not participate in membranous structure formation, these structures being found in the alveolar septa and not apparently of an embolic nature. They may be related to alveolar septal cells in a broad sense. The pathogenesis of this disease is discussed in relation to the lesions of the lung.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00707983
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  • 8
    Electronic Resource
    Electronic Resource
    Probable modern analogue of Kuroko-type massive sulphide deposits in the Okinawa Trough back-arc basin (1989)
    [s.l.] : Nature Publishing Group
    Nature 338 (1989), S. 496-499 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Okinawa Trough, located between the Ryukyu island chain and the east coast of China, is an active back-arc basin formed by extension within the continental lithosphere behind the Ryukyu trench-arc system. Evidence for the presence of active back-arc spreading exists only in the southern trough, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/338496a0
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  • 9
    Electronic Resource
    Electronic Resource
    Physiological calcification of the septum pellucidum (1986)
    Springer
    Neuroradiology 28 (1986), S. 173-173 
    Details
    ISSN: 1432-1920
    Keywords: Physiological calcification ; Septum pellucidum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00327893
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  • 10
    Electronic Resource
    Electronic Resource
    129I-Mössbauer spectroscopic studies of ferricinium, biferrocenium and 1′, 1′''-dihalobiferrocenium iodides (1986)
    Springer
    Journal of radioanalytical and nuclear chemistry 104 (1986), S. 349-358 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract 129I-Mössbauer spectroscopic data are presented for the titled iodides. Comparison of Mössbauer parameters of the mixed-valence biferrocenium iodides suggests that the rate of intramolecular electron transfer depends on the nature of biferrocenium cation moiety in solid state.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02166221
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