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  • 1
    Electronic Resource
    Electronic Resource
    Wavelength dependence of photorefractive effect in Ti-indiffused LiNbO3 waveguides (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 54 (1989), S. 975-977 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A novel method of measuring the photorefractive sensitivity of Ti-diffused channel waveguides in lithium niobate is proposed and demonstrated. It is suited for quantifying the dependence of the photorefractive sensitivity on the irradiation beam wavelength. From measurements at various irradiation intensities and wavelengths 0.633, 0.81, and 1.06 μm, we give an estimate of the crosstalk of a directional coupler as a function of irradiation intensity and wavelength.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.101421
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Authors' reply (1989)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 96 (1989), S. 0 
    Details
    ISSN: 1471-0528
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1471-0528.1989.tb03270.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Immunocytochemical and ultrastructural study of Lewy body-like hyaline inclusions in familial amyotrophic lateral sclerosis (1989)
    Springer
    Acta neuropathologica 78 (1989), S. 143-152 
    Details
    ISSN: 1432-0533
    Keywords: Familial amyotrophic lateral sclerosis ; Lewy body-like hyaline inclusion ; Ubiquitin ; Neurofilament
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Lewy body-like hyaline inclusion (LI) in the neuronal soma and swollen cord-like processes is a characteristic feature in the anterior horn cells and neurons in thoracic nucleus (Clarke) of familial amyotrophic lateral sclerosis (ALS) with posterior column involvement. We have studied the LI in the case of two sisters with this disorders. Microscopically the LI consists of an eosinophilic “core” surrounded by a basophilic “halo”. Ultrastructurally the core consists of granule-associated filaments, while the halo consists of normal-looking neurofilament. Immunocytochemistry with anti-ubiquitin antibody shows that these granule-associated filaments in the core are highly ubiquitinated, while the normal-looking neurofilaments in the halo are not recognized by antiubiquitin antibody. Our study proves that LI consists of an aggregation of ubiquitinated filaments among a neurofilamentous accumulation, possibly representing a form of neuronal cytoskeletal disorganization in familial ALS.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00688202
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    The structure analysis of Hirano bodies by digital processing on electron micrographs (1986)
    Springer
    Acta neuropathologica 71 (1986), S. 32-37 
    Details
    ISSN: 1432-0533
    Keywords: Hirano body ; Digital processing ; Helical strand
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary To clarify the structure of Hirano bodies, electron micrographs of Hirano bodies taken at various tilting angles have been studied by digital image analysis. On the electron micrographs, the beaded filaments of Hirano bodies were turned into a pattern of lattice-like arrays by changing the tilting angles. Based on computer-procesed diffraction patterns and filtered images, it is proposed that the filaments of Hirano bodies are helical strands with a pitch of 185 Å. A model for the helical strand drawn by microcomputer at various angles of rotation is in accordance with the filtered images of the tilted filaments. Computer simulation also reveals that the helical strands appear to be lattice-like when they are arranged in parallel.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00687959
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Progressive supranuclear palsy with Lewy bodies (1986)
    Springer
    Acta neuropathologica 71 (1986), S. 344-346 
    Details
    ISSN: 1432-0533
    Keywords: Progressive supranuclear palsy ; Lewy body ; Parkinson's disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary An autopsy case is reported which revealed not only clinical and neuropathological features of progressive supranuclear palsy, but also the presence of large numbers of Lewy bodies in the brain stem nuclei and cerebral cortex. This case seems to be progressive supranuclear palsy with Lewy bodies distributed as in Parkinson's disease. Such case has not been previously reported.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00688061
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Induction of glutathione S-transferase, placental type in T9 glioma cells by dibutyryladenosine 3′,5′-cyclic monophosphate and modification of its expression by naturally occurring isothiocyanates (1989)
    Springer
    Acta neuropathologica 79 (1989), S. 144-148 
    Details
    ISSN: 1432-0533
    Keywords: Glutathione S-transferase placental type ; T9 glioma cells ; Dibutyryladenosine 3′,5′-cyclic monophosphate ; Allylisothiocyanate ; Benzylisothiocyanate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The effect of dibutyryladenosine 3′,5′-cyclic monophosphate (dibutyryl cAMP) on the expression of glutathione S-transferase placental type (GST-P) was examined in rat glioma cell line using an immunohistochemical technique. Cultured T9 glioma cells were negative for GST-P activity under normal conditions. However, treatment with 1 mM dibutyryl cAMP produced GST-P expression in about 50% of the cells, as well as some morphological changes. The expression of GST-P was increased with addition of dibutyryl cAMP together with 1 μg/ml allyl isothiocyanate (AITC) or 0.1 μg/ml benzyl isothiocyanate (BITC). With these combinated treatments, almost all cultured cells showed a strong positive reaction for GST-P, although AITC or BITC alone elicited GST-P in only 5% of the cultured cells. The results of the present study indicate that dibutyryl cAMP causes functional as well as morphological differentiation of T9 glioma cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00294371
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Distribution profiles of keratin proteins during rat amelogenesis (1986)
    Springer
    Histochemistry and cell biology 85 (1986), S. 89-94 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary We examined rat cells undergoing amelogenesis for the presence of three types of keratin proteins using a polyclonal antibody to keratin (against total keratins (TK) with molecular masses ranging from 41 to 65 kilodaltons (kd) and monoclonal antibodies keratins to KL1 and PKK1 (reactive with keratins with molecular masses of 55–57 and 41–56 kd, respectively). In normal oral epithelia from young rats, the TK, KL1, and PKK1 antibodies bound to all of the epithelial strata. The epithelial cap on the top of incisors and the dental lamina of molar teeth exhibited strong TK staining, moderate staining KL1, and little or no PKK1 staining. In developing molar enamel organs, both the outer and inner enamel epithelia, the stratum intermedium, and stellate reticulum cells were all positively stained by the TK immunoreagent. In developing incisors, TK only bound strongly to stratum-intermedium cells, and no KL1 and PKK1 staining antibodies was observed in ameloblasts or the stratum intermedium.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00491753
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  • 8
    Electronic Resource
    Electronic Resource
    Observation of Al/Si3N4 interface (1986)
    Springer
    Journal of materials science 5 (1986), S. 696-698 
    Details
    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
    URL: http://dx.doi.org/10.1007/BF01730214
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    Paper (German National Licenses)
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