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  • 1
    Electronic Resource
    Electronic Resource
    Source mechanism of a large scale gas outburst at Sunagawa Coal Mine in Japan (1989)
    Springer
    Pure and applied geophysics 129 (1989), S. 325-343 
    Details
    ISSN: 1420-9136
    Keywords: Source mechanism ; seismic moment tensor ; gas outburst ; Sunagawa Coal Mine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract On January 29ty, 1986, the third largest gas outburst in Japan took place at Sunagawa Coal Mine, which is the only hydraulic mine in Japan. It occurred at a face of a cross-cut, just after a coal seam was outcropped by blasting for drivage of the cross-cut. The site of the gas outburst was located 1,180 m below the surface. No workers were injured, but the cross-cut was plugged with 1,600 m3 of coal fragments extending over 100 m behind the face and 60,000 m3 of methane gas was emitted. The site of the gas outburst was investigated in detail to clarify the geological features. A normal and a reverse fault existed at the site. The area of the ejected zone was about 400 m2 and extended upward along the normal fault. The shape of the ejected zone suggests a great role of the normal fault on the gas outburst. Digital seismograms, recorded by a mine-wide seismic array at the coal mine, consisting of 27 microseismic events were used to investigate the gas outburst. Magnitude, seismic energy release, distribution of hypocenter and focal mechanism were analyzed. Taking the shape of the ejected zone together with results of the seismological investigation into consideration, it appears that the seismicity started with left-lateral faulting of the reverse fault and then right-lateral faulting of the normal fault followed. The faulting of the normal fault might be the direct cause and be the predominant mechanism of the gas outburst.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00874513
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  • 2
    Electronic Resource
    Electronic Resource
    Fine structure of psammoma bodies at the outer aspect of blood vessels in meningioma (1985)
    Springer
    Acta neuropathologica 66 (1985), S. 163-166 
    Details
    ISSN: 1432-0533
    Keywords: Meningioma ; Psammoma bodies ; Perivascular area ; X-ray microanalysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Psammoma bodies at the perivascular area in five cases of meningioma were examined with the electron microscope. In general, meningocytic cells invest the outer aspect of blood vessels, which are constituted by multilayered basal laminae, collagen fibers, microfibrils, and pericytes. Remnants of degenerated cells are observed in some areas of the perivascular space. Matrix vesicles and matrix giant bodies with or without mineralized deposits are also present in those areas. Energy disperisve, X-ray microanalysis evidenced the presence of both calcium and phosphorus (probably hydroxyapatite) mineralized precipitates. Production of psammoma bodies in the perivascular area may indicate that matrix vesicles and matrix giant bodies are derived from degenerated cells, which then sequestrate hydroxyapatite crystals to form psammoma bodies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00688693
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  • 3
    Electronic Resource
    Electronic Resource
    Long survival in Fukuyama congenital muscular dystrophy: occurrence of neurofibrillary tangles in the nucleus basalis of meynert and locus ceruleus (1986)
    Springer
    Acta neuropathologica 71 (1986), S. 228-232 
    Details
    ISSN: 1432-0533
    Keywords: Alzheimer's disease ; Cerebral cortex abnormalities ; Muscular dystrophy, congenital ; Neurofibrillary tangles ; Paired helical filaments
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Three patients with Fukuyama congenital muscular dystrophy (FCMD), who died aged 23, 29 and 34 years, are reported. There was extensive brain malformation, but the most severe pattern of cortical dysplasia was absent in one case and in the other two localized bilaterally to small areas near the occipital poles. In two cases, numerous neurofibrillary tangles were observed in the locus ceruleus and nucleus basalis of Meynert. Electron microscopy revealed paired helical filaments, with a maximal width of about 25 nm and regular constrictions at approximately 80 nm intervals. The occurrence of neurofibrillary tangles, which is unknown in younger patients, suggests the presence of degenerative processes in the brains of the older patients with FCMD.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00688044
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  • 4
    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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  • 5
    Electronic Resource
    Electronic Resource
    Degradation and metabolism of a fungicide, 2,4,5,6-tetra-chloroisophthalonitrile (TPN) in soil (1987)
    Springer
    Biology and fertility of soils 3 (1987), S. 205-209 
    Details
    ISSN: 1432-0789
    Keywords: Organochlorine pesticides ; 2,4,5,6-tetrachloroisophthalonitrile ; TPN ; Metabolism ; Soil conditions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Degradation of a fungicide, 2,4,5,6-tetrachloroisophthalonitrile (TPN) in soil was studied under laboratory conditions. TPN degraded more rapidly under 60% WHC conditions than at 20%, 40% and 100% WHC, while its degradation was rapid at temperatures of 25°C-30°C, evidently due to the microbial degradation. TPN degraded mainly through dechlorination and partly a substitution reaction. The degradation products identified by gas chromatographic analyses were: 2,4,5-trichloroisophthalonitrile (abbreviated as 2,4,5-Cl3-IPN), 2,4,6-Cl3-IPN, 2,4-Cl2-lPN, 2,5-Cl2-IPN, 4-Cl-IPN, 5-Cl-IPN, IPN, 2,5,6-Cl34-(OH)-IPN and 2,5,6-Cl3-4-(OCH3)-IPN. Peaks with longer retention times than that of TPN were not identified. Tentative degradation pathways were proposed on the basis of the identified degradation products. About 90% of the bacterial strains isolated from the soil to which TPN had been added degraded TPN, suggesting enrichment of the soil with TPN-degrading bacteria.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00640631
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  • 6
    Electronic Resource
    Electronic Resource
    Hypercalcaemia in cerebellar medulloblastoma: pathogenesis of solid tumour-associated hypercalcaemia (1987)
    Springer
    European journal of pediatrics 146 (1987), S. 434-436 
    Details
    ISSN: 1432-1076
    Keywords: Hypercalcaemia ; Medulloblastoma ; Parathyroid hormone-like humoral factor ; Mithramycin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A 7-year-old boy developed acute, severe hypercalcaemia following the partial excision of a cerebellar medulloblastoma. The serum calcium level was extremely high (19.8 mg/100 ml), but a skeletal survey revealed no apparent bone metastatic lesions; such lesions were only detected by X-ray 3 weeks after the onset of hypercalcaemia. Hypercalcaemia was promptly resolved by intravenous mithramycin administration, before which the serum parathyroid hormone level, 1,25-(OH)2-vitamin D level and the nephrogenous cyclic AMP level were low. However the relation between serum calcium levels and urinary calcium excretions indicated that renal calcium reabsorption was increased in association with hypercalcaemia, suggesting that a parathyroid hormone-like effect was operative on the renal tubules. It is possible that a combination of increased bone resorption by metastatic tumour cells and renal tubular handling of calcium presumably mediated by tumour-produced humoral factors was responsible for the acute development of severe hypercalcaemia in this patient with medulloblastoma.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00444958
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  • 7
    Electronic Resource
    Electronic Resource
    Optic atrophy in aqueduct stenosis (1989)
    Springer
    European journal of pediatrics 148 (1989), S. 682-682 
    Details
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00441534
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  • 8
    Electronic Resource
    Electronic Resource
    International symposium on surgery for cerebral stroke Sendaï, Japan, May 24–27, 1987 (1988)
    Springer
    Surgical and radiologic anatomy 10 (1988), S. 167-169 
    Details
    ISSN: 1279-8517
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02307828
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  • 9
    Electronic Resource
    Electronic Resource
    Free fatty acids and sterols in human eccrine sweat (1989)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 120 (1989), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The lipid content of human sweat was determined in thermally induced sweat collected over a Vaseline® or silicone barrier placed on the skin (clean sweat) and in sweat scraped from the skin surface without a barrier coating (scraped sweat). Lipids were extracted from concentrated sweat samples into chloroform:methanol and estimated by thin-layer chromatography in conjunction with photodensitometry. Scraped sweat contained 4 to 10 times more lipid than clean sweat and included cholesterol sulphate and ceramides resembling those found in the stratum corneum. In contrast, clean sweat contained only small amounts of free fatty acids and sterol. A marked individual and daily variation in sweat lipid content was also noted. The study indicates the importance of avoiding epidermal contamination when collecting sweat and the usefulness of our sweat collection method.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1989.tb07764.x
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  • 10
    Electronic Resource
    Electronic Resource
    Sensitivity to UV radiation of fibroblasts from a Japanese group A xeroderma pigmentosum patient with mild neurological abnormalities (1987)
    Oxford, UK : Blackwell Publishing Ltd
    British journal of dermatology 116 (1987), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A 12-year-old girl, suffering from xeroderma pigmentosum (XP), had mild cutaneous and neurological abnormalities. She showed no neurological abnormalities at the age of seven, but areflexia of the patellar tendons at 11. She had no malignant tumours. The skin fibroblasts from the patient were about twice as sensitive to the lethal effects of 254 nm ultraviolet (UV) radiation as those of Group C XP patients, and about twice as resistant as those of typical Group A XP patients. The ability of these fibroblasts to reactivate UV-damaged adenovirus 5 was intermediate between those of Group C and typical Group A patients. The patient's cells were assigned to genetic complementation Group A by use of the cell-fusion technique. This is the first case in Japan of a Group A XP patient with mild neurological abnormalities. The mild cutaneous manifestations of this patient may be explained by the residual ability of the cells to repair UV-damaged DNA.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2133.1987.tb05796.x
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