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  • 1990-1994  (7)
  • Chemistry  (4)
  • Human cerebral cortex  (2)
  • Neurone number  (2)
  • Propylene glycol  (1)
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Materialart
Erscheinungszeitraum
Jahr
Schlagwörter
  • 1
    Digitale Medien
    Digitale Medien
    Increased mechanical fragility and intravascular lysis of erythrocytes in cats fed a propylene glycol-containing diet (1992)
    Springer
    Comparative clinical pathology 2 (1992), S. 157-161 
    Details
    ISSN: 1433-2981
    Schlagwort(e): Cats ; Heinz bodies ; Propylene glycol
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract The mechanism responsible for the decreased red blood cell (RBC) lifespan associated with feeding propylene glycol (PG)-containing diets was investigated to understand better how Heinz body-contained RBC are destroyed. Three cats were fed a diet containing 12% PG for 14 days and three other cats served as control. The experimental group developed reticulocytosis and increased Heinz body numbers. Red blood cell membrane immunoglobulih G (IgG) concentration and phagocytosis of RBC by peritoneal macrophages were lower in the PG group compared to the control group suggesting that neither IgG nor non-IgG-mediated phagocytosis was responsible for the RBC destruction. Osmotic fragility, rate of RBC proteolysis and mild mechanical fragility test results were not statistically different from controls. However, when RBC from cats fed PG were exposed to severe mechanical stress, their fragility were increased 2.2–2.8 times. Additionally, haptoglobin concentrations were decreased in the PG group. These data suggest that intravascular lysis may be involved in the pathogenesis of PG-induced RBC destruction.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00426170
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  • 2
    Digitale Medien
    Digitale Medien
    Cortical and striatal neurone number in Huntington's disease (1994)
    Springer
    Acta neuropathologica 88 (1994), S. 320-333 
    Details
    ISSN: 1432-0533
    Schlagwort(e): Key words Huntington's disease ; Human cerebral cortex ; Striatum ; Neurone number ; Stereology
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract The total cortical and striatal neurone and glial numbers were estimated in five cases of Huntington's disease (three males, two females) and five age- and sex-matched control cases. Serial 500-μm-thick gallocyanin-stained frontal sections through the left hemisphere were analysed using Cavalieri's principle for volume and the optical disector for cell density estimations. The average cortical neurone number of five controls (mean age 53±13 years, range 36 – 72 years) was 5.97×109±320×106, the average number of small striatal neurones was 82×106±15.8×106. The left striatum (caudatum, putamen, and accumbens) contained a mean of 273×106±53×106 glial cells (oligodendrocytes, astrocytes and unclassifiable glial profiles). The mean cortical neurone number in Huntington's disease patients (mean age 49±14 years, range 36 – 75 years) was diminished by about 33  % to 3.99×109±218×106 nerve cells (P≤ 0.012, Mann-Whitney U-test). The mean number of small striatal neurones decreased tremendously to 9.72 × 106± 3.64×106 ( – 88  %). The decrease in total glial cells was less pronounced (193 × 106±26 × 106) but the mean glial index, the numerical ratio of glial cells per neurone, increased from 3.35 to 22.59 in Huntington's disease. Qualitatively, neuronal loss was most pronounced in supragranular layers of primary sensory areas (Brodmann's areae 3,1,2; area 17, area 41). Layer IIIc pyramidal cells were preferentially lost in association areas of the temporal, frontal, and parietal lobes, whereas spared layer IV granule cells formed a conspicuous band between layer III and V in these fields. Methodological issues are discussed in context with previous investigations and similarities and differences of laminar and lobar nerve cell loss in Huntington's disease are compared with nerve cell degeneration in other neuropsychiatric diseases.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00310376
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  • 3
    Digitale Medien
    Digitale Medien
    Cortical and striatal neurone number in Huntington's disease (1994)
    Springer
    Acta neuropathologica 88 (1994), S. 320-333 
    Details
    ISSN: 1432-0533
    Schlagwort(e): Huntington's disease ; Human cerebral cortex ; Striatum ; Neurone number ; Stereology
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract The total cortical and striatal neurone and glial numbers were estimated in five cases of Huntington's disease (three males, two females) and five age-and sex-matched control cases. Serial 500-μm-thick gallocyanin-stained frontal sections through the left hemisphere were analysed using Cavalieri's principle for volume and the optical disector for cell density estimations. The average cortical neurone number of five controls (mean age 53±13 years, range 36–72 years) was 5.97×109±320×106, the average number of small striatal neurones was 82×106±15.8×106. The left striatum (caudatum, putamen, and accumbens) contained a mean of 273×106±53×106 glial cells (oligodendrocytes, astrocytes and unclassifiable glial profiles). The mean cortical neurone number in Huntington's disease patients (mean age 49±14 years, range 36–75 years) was diminished by about 33% to 3.99×109±218×106 nerve cells (P≦0.012, Mann-Whitney U-test). The mean number of small striatal neurones decreased tremendously to 9.72×106±3.64×106 (−88%). The decrease in total glial cells was less pronounced (193×106±26×106) but the mean glial index, the numerical ratio of glial cells per neurone, increased from 3.35 to 22.59 in Huntington's disease. Qualitatively, neuronal loss was most pronounced in supragranular layers of primary sensory areas (Brodmann's areae 3,1,2; area 17, area 41). Layer IIIc pyramidal cells were preferentially lost in association areas of the temporal, frontal, and parietal lobes, whereas spared layer IV granule cells formed a conspicuous band between layer III and V in these fields. Methodological issues are discussed in context with previous investigations and similarities and differences of laminar and lobar nerve cell loss in Huntington's disease are compared with nerve cell degeneration in other neuropsychiatric diseases.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00310376
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  • 4
    Digitale Medien
    Digitale Medien
    Synthesis and Structure of Tetraaryl Orthocarbonates from carbonimidic acid esters (1992)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 334 (1992), S. 95-97 
    Details
    ISSN: 0941-1216
    Schlagwort(e): Chemistry ; Organic Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Zusätzliches Material: 2 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/prac.19923340120
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  • 5
    Digitale Medien
    Digitale Medien
    Kleben von Kunststoff mit Metall. Von W. BROCKMANN, L. DORN und H. KÄUFER. ISBN 3-540-19115-1. Berlin/Heidelberg/New York: Springer-Verlag 1989. X, 237 S., brosch., DM 98.00 (1990)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 41 (1990), S. 143-143 
    Details
    ISSN: 0323-7648
    Schlagwort(e): Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Physik
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/actp.1990.010410217
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  • 6
    Digitale Medien
    Digitale Medien
    Kinetical structural model for the network build-up during the reaction of cyanic acid esters with glycidyl ethers. 2. Application of DCBA/DGEBA-systems (1990)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 41 (1990), S. 535-538 
    Details
    ISSN: 0323-7648
    Schlagwort(e): Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Physik
    Beschreibung / Inhaltsverzeichnis: Das in einer früheren Arbeit publizierte kinetisch/strukturelle Modell wird auf den Netzwerkaufbau durch Coreaktion von 2,2-Bis(4-cyanatophenyl)propan mit 2,2-Bis(4-glycidyloxyphenyl) propan in der Schmilze angewendet. Die relativen Geschwindigkeitskonstanten der Hauptreaktionen, die die freien Parameter des Modells darstellen, werden für diesen Fall identifiziert, und die gute Übereinstiummung zwischen Theorie und Experiment wird gezeigt.
    Notizen: The previously published kinetical structural model is applied to the network build-up during the coreaction of 2,2-bis(4-cyanatophenyl) propane with 2,2-bis(4-glycidyloxyphenyl) propane in bulk. The relative rate constants of the main reactions, which act as the free parameters of the model, were identified for this case, and the good agreement between theory and experiment is shown.
    Zusätzliches Material: 8 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/actp.1990.010411006
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  • 7
    Digitale Medien
    Digitale Medien
    Pure and modified polycyanurates - polymers with great future as adhesives, casting resins, and binders for laminates (1992)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 43 (1992), S. 299-302 
    Details
    ISSN: 0323-7648
    Schlagwort(e): Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Physik
    Beschreibung / Inhaltsverzeichnis: Reine und modifizierte Polycyanurate sind seit etwa 20 Jahren bekannt. Gegenwärtig steht eine große Anzahl verschiedener Typen zur Verfügung. Bei Einsatz dieser Harze resultieren Verbunde mit hoher Thermostabilität, Medienbeständigkeit und sehr guten elektrischen Isolationseigenschaften. Anwendungsgebiete der Harze sind insbesondere die Kleb-, Gieß- und Laminiertechnik.
    Notizen: Pure and modified polycyanurates are known for about 20 years. Up to now an important number of different special products was developed. Composites which base on polycyanurate resins show a high thermostability, stability against humidity and chemicals, and excellent electrical insulating properties. The resins are used as adhesives, binders for laminates, casting resins, and for other applications.
    Zusätzliches Material: 2 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/actp.1992.010430601
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