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  • 1
    Electronic Resource
    Electronic Resource
    Infantile neuroaxonal dystrophy (1978)
    Springer
    Acta neuropathologica 41 (1978), S. 257-259 
    Details
    ISSN: 1432-0533
    Keywords: Infantile neuroaxonal dystrophy ; Sural nerve biopsy ; Electron microscope ; Schwann cell inclusions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Abnormal Schwann cell inclusion is reported in biopsied peripheral nerve in a cases of infantile neuroaxonal dystrophy. In addition to non-specific dystrophic changes of the axons, the Schwann cells contained several distinct bodies which were composed of stacks of irregularly disposed membranes; in some instances, transformed Schwann cell cytoplasm was distinded with similar bodies. This change has not been reported on this condition and its significance is briefly discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00690446
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  • 2
    Electronic Resource
    Electronic Resource
    Crystalloid inclusions reminiscent of Hirano bodies in autolyzed peripheral nerve of normal Wistar rats (1979)
    Springer
    Acta neuropathologica 47 (1979), S. 231-236 
    Details
    ISSN: 1432-0533
    Keywords: Hirano bodies ; Peripheral nerve ; Autolysis ; Wistar rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In a study of experimental autolysis of peripheral nerves of normal Wistar rats, crystalloid inclusions similar to Hirano bodies were observed. They occurred in the nuclei and cytoplasms of Schwann cells and in myelinated axons. They first developed after a 12-h autolysis and increased in number and size with time. Their fine structure, localization, and morphogenesis are discussed in relation to the autolysis of the cellular organelles.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00690551
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Ultrastructure of neurofibrillary tangles in progressive supranuclear palsy (1979)
    Springer
    Acta neuropathologica 48 (1979), S. 27-30 
    Details
    ISSN: 1432-0533
    Keywords: Progressive supranuclear palsy ; Neurofibrillary tangles ; Ultrastructure ; Straight tubule ; Twisted tubule
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The fine structure of neurofibrillary tangles in the hippocampal gyrus, substantia nigra, pontine nuclei and locus coeruleus of the brain was postmortem studied in a case of progressive supranuclear palsy. Straight tubules and twisted tubules were observed in both the cortical and subcortical neurofibrillary tangles. Most tubules appeared separately in each neuron but a few straight tubules were mixed with the twisted tubules in the cortical tangles. The implication and possible significance of this findings are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00691787
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Corpora amylacea in the peripheral nerve axons (1977)
    Springer
    Acta neuropathologica 37 (1977), S. 73-76 
    Details
    ISSN: 1432-0533
    Keywords: Corpora amylacea ; Lafora body ; Intraneuritic ; Glycogen granule ; Axonal degeneration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Deposits similar to corpora amylacea were observed by electron microscopy within myelinated axons in the peripheral nerves in a case of familial spastic paralysis. Ultrastructurally the deposits consisted of randomly interlacing short filaments which were closely related to glycogen granules present in the periphery of the deposits. A possible relationship between the filamentous structures and glycogen granules is discussed. The significance of this inclusion and of related bodies is also discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00684544
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  • 5
    Electronic Resource
    Electronic Resource
    Platelet superoxide dismutase in migraine and tension-type headache (1994)
    USA/Oxford, UK : American Association for the Study of Headache/Blackwell Science Ltd
    Cephalalgia 14 (1994), S. 0 
    Details
    ISSN: 1468-2982
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Superoxide dismutase (SOD) is a radical-scavenging enzyme. We determined Cu, Zn-SOD concentrations and activities in platelets from subjects with migraine and tension-type headaches. Thirty migraine without aura (MWoA) patients, 9 migraine with aura (MWA) patients, and 53 tension-type headache patients were selected for study. Thirty healthy volunteers composed the control group. Concentrations of platelet SOD were determined using enzyme-linked immunosorbent assay techniques. The activity of platelet SOD was determined by measuring reductivity of nitroblue tetrazolium. Low concentrations of platelet SOD were found in patients with MWA and MWoA. Platelet SOD activity decreased in MWA patients but not in patients with MWoA or tension-type headaches. These findings suggest vulnerability to oxidative stress in patients with migraine. It is suggested that low platelet SOD levels may play an important role in the etiology of migraine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1468-2982.1994.014003215.x
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  • 6
    Electronic Resource
    Electronic Resource
    Glutathione Peroxidase of Fish (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 57 (1992), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Glutathione peroxidase (GSH-Px) activity was detected in the muscle and skin tissues from several fish species. The muscle GSH-Px showed an optimum pH at 8.0 for salmon and 8.5 for carp. Stability of salmon muscle enzyme was enhanced in the presence of reduced glutathione (GSH), but considerably decreased in the presence of tert-butylhydroperoxide. When salmon fillets were stored at -50°C, the GSH-Px activity increased gradually during storage. Fish muscle GSH-Px shows potential for preventing oxidative deterioration in muscle during storage and processing.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1992.tb11276.x
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  • 7
    Electronic Resource
    Electronic Resource
    Superoxide dismutasc activity in lite skin of fish (1993)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of fish biology 43 (1993), S. 0 
    Details
    ISSN: 1095-8649
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Superoxide dismutase (SOD) activity in the skin of fish was observed to be higher in the dark than in the light parts. SOD activities in both parts were confirmed by visualisation of SOD activity on polyacrylamide gels. We suggest that the distribution of higher SOD in the dark parts of the skin might be related to melanization and to regulate of reactive oxygen species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1095-8649.1993.tb00585.x
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  • 8
    Electronic Resource
    Electronic Resource
    Measurement of electron densities in electron cyclotron resonance plasmas for etching of III-V semiconductors (1991)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 69 (1991), S. 4206-4210 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The average electron densities in CH4/H2/Ar and CCl2F2/O2 electron cyclotron resonance discharges typical of those used for etching InP, GaAs, and related materials have been measured approximately 4 cm downstream from the multipolar microwave source as a function of microwave power (50–300 W), additional radio-frequency power (10–50 W), pressure (1–20 mTorr), flow rate (30–90 standard cubic centimeters per minute) and gas composition. At 1 mTorr pressure and 10 W rf, the electron densities (and semiconductor etch rates) increase rapidly with microwave power, from 1.3×1011 cm−3 for 5CH4/17H2/8Ar and 6×1010 cm−3 for 28CCl2F2/2O2 discharges at 50-W microwave power, to 9×1011 cm−3 and 3×1011 cm−3, respectively at 300-W microwave power. At the highest microwave power levels (≥200 W) the InP and GaAs etched surface morphologies are rough due to preferential removal of one of the lattice constituents from each material. The electron densities in both types of discharge show moderate increases with increasing rf power level, pressure or higher Ar or O concentrations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.348390
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  • 9
    Electronic Resource
    Electronic Resource
    High-sensitive Pockels field sensor with a dielectric mirror (1994)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 65 (1994), S. 2351-2355 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: The highly sensitive field sensor with a Pockels crystal which was devised by us has been modified by using a light reflection technique. By replacing a metallic mirror with a dielectric mirror which is sputtered on one end face of the Pockels crystal, the new field measuring system has an advantage of precisely measuring the field distribution in the long gap discharge. This is the case when the field sensing part consisting of the Pockels crystal is isolated from the main field measuring system and both are connected to each other with a long light guide cable. Based on our experiments, we found that the measurable minimum field strength in the long gap discharge is 2 V/cm with the accuracy of 16 dB and 0.2 V/cm with the critical accuracy of 0 dB. Furthermore, we point out that the size of the field sensing part can be reduced down to 1 mm in diameter by using a dielectric mirror and a light guide cable.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1144687
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  • 10
    Electronic Resource
    Electronic Resource
    Optical high-sensitive field sensor using a Pockels crystal (1992)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 63 (1992), S. 5582-5585 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: The sensitivity of an optical field sensor with a Pockels crystal of LiNbO3 for measuring a field distribution in a long-gap discharge has been much improved by using an intensity difference method with an intensity-modulated laser beam. The signal-to-noise ratio (S/N) is also improved by 37 dB from that without the above-mentioned method. The resultant sensitivity of the new field measuring system is 100 times higher than that of the previous one. Finally, it is possible to measure an electric field down to 7.5 V/cm in the long-gap discharge with high accuracy corresponding to the S/N ratio of 20 dB and 1.5 V/cm with the accuracy of 6.0 dB.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1143385
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