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  • 1970-1974  (6)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 26 (1972), S. 265-273 
    ISSN: 0942-0940
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary This is a review of 26 cases of traumatic subdural hygroma (TSH). Special attention was paid to frequency of occurrence, angiographic features, and the relationship between subdural fluid appearance and clinical course, since these have been seldom reported previously. TSH was infrequent among the intracranial mass lesions following head injury. Cerebral angiography was useful in diagnosis. There were occasional postoperative difficulties when the subdural fluid was xanthochromic or blood-tinged.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 17 (1970), S. 0 
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract— An RNase inhibitor has been purified from pig cerebral cortex by DEAE-cellulose and hydroxylapatite chromatography and Sephadex G-100 gel filtration. The purified RNase inhibitor could be resolved into a major band (about 80–85 per cent of total protein) and several minor components by polyacrylamide gel electrophoresis.The ultraviolet absorption curve of the purified RNase inhibitor indicated a typical protein spectrum. The inhibitor was inactivated by digestion with trypsin or prozyme, and by heating at 70ºC for 5 min. The inhibitor was also inactivated by an SH reagent such as p-chloromercuribenzoate. The inhibitor did not affect RNase T1. It has been suggested that the inhibitor is an acidic protein and also a SH-protein. The molecular weight of the RNase inhibitor was estimated to be about 60,000.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 17 (1970), S. 0 
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 60 (1973), S. 155-156 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Rheologica acta 13 (1974), S. 139-148 
    ISSN: 1435-1528
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Summary Temperature dependent properties of some segmented copolyurethanes were compared with those of soft- and hard-segment polyurethanes. To understand the chemical nature of associated phase more explicitly, far-infrared spectral behaviors were precisely analyzed. Mid-infrared frequency shift of NH-stretching vibration of associated carbonamide group was taken as a measure of the strength of hydrogen bond. Dynamic viscoelastic response as well as flow property estimated from viscoelastic shift factor were compared with the infrared spectral behaviors. A strong intersegmental carbonamide association was found through a preferential “solvation” of —(CH2)6NHCOO— group in the soft segment derived from poly-butyleneglycoladipate (PBA) and hexamethylene diisocyanate (HMDI), to the same group in the hard segment derived from butanediol (BD) and HMDI, yielding a thermoplastic copolyurethane, (PBA + BD) —HMDI, with high activation energy of segmental flow. While, a unique aromatic association was observed in copolyurethane derived from diphenylmethane diisocyanate (MDI). A weakening of hydrogen bond in hard segment by aromatic cohesion of soft segment was observed from mid-infrared measurements, which gave a typical thermoelastic copolyurethane with moderate activation energy of flow. The same effect of weakening of hydrogen bond was observed by the replacement of polyester soft segment by less polar polyether, which gave also thermoelasticity. Polyurethanes derived from toluene diisocyanate (TDI) and xylylene diisocyanate (XDI) did not show the aromatic association of MDI type. The mid-infrared stretching vibration and farinfrared out-of-plane deformation vibration of associated NH-group were found to correlate with hydrogen bond- andvan der Waals-crystals having been assigned from (200) and (002) interferences, respectively, in X-ray scattering measurements byKilian et al.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A-1: Polymer Chemistry 10 (1972), S. 2473-2477 
    ISSN: 0449-296X
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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