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  • 11
    ISSN: 1432-1912
    Keywords: Haemolysis ; Guinea-Pig Erythrocytes ; Rat Erythrocytes ; Phospholipase A ; Direct Lytic Factor ; Cobra Venom ; HÄmolyse ; Meerschweinchenerythrocyten ; Rattenery-throcyten ; Phospholipase A ; Direkt Lytischer Faktor ; Cobragift
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary 1. At high concentrations phospholipase A of cobra venom has a direct haemolytic action on washed guinea-pig red cells. The concentration necessary for this effect is one hundred times higher than that required for haemolysis in the presence of the direct lytic factor (DLF). 2. Like guinea-pig red cells, rat erythrocytes are lysed by DLF, but are much less sensitive. A potentiation of haemolysis by the combined action of Phospholipase A and DLF is also seen in rat erythrocytes. Concentrations of DLF 50 times higher and of Phospholipase A 100 times higher than used for guinea-pig red cells are necessary to obtain comparable degrees of haemolysis with rat erythrocytes. 3. The degree of potentiated haemolysis depends on both, the concentration of DLF and the concentration of Phospholipase A. The different susceptibility of red cells from different species to haemolysis by cobra venom thus does not depend on a different sensitivity to one of the two haemolysins alone.
    Type of Medium: Electronic Resource
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  • 12
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 369 (1986), S. 805-805 
    ISSN: 1435-2451
    Keywords: Neuronal intestinal dysplasia ; Neuronale intestinale Dysplasie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Ein 11jähriges Mädchen kam wegen rezidivierend auftretender intestinaler Blutung zur stationären Aufnahme. Die endoskopische Diagnostik und die erstellte Technetium Szintigraphie mit markierten Eigenerythrocyten ergaben keinen pathologischen Befund. Bei der Laparotomie zeigte sich ein ca. 10 cm langes dilatiertes Dünndarmsegment am Übergang vom Ileum zum Jejunum, in dem sich ein chronisch vernarbtes Ulcus befand. Wir führten eine Resektion des befallenen Darmsegmentes durch. Histologisch präsentierte sich eine neuronale intestinale Dysplasie. Die Besonderheit unseres Falles liegt im segmentalen Befall des Dünndarms mit zusätzlicher Kombination eines rezidivierend blutenden Ulcus.
    Notes: Summary An 11-year-old girl was admitted to hospital for investigation of recurrent intestinal bleeding. Endoscopy and scintiscan with technetium-labeled autologous erythrocytes revealed no pathological findings. On laparotomy, a small bowel segment dilated over 10 cm bearing a chronically scarred ulcer was found at the ileojejunal junction. The affected bowel segment was excised. Histological examination showed intestinal neuronal dysplasia. The peculiarity of this case was the segmental involvement of the small bowel with the additional presence of ulceration leading to recurrent hemorrhage.
    Type of Medium: Electronic Resource
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  • 13
    Electronic Resource
    Electronic Resource
    Springer
    Journal of inherited metabolic disease 13 (1990), S. 897-905 
    ISSN: 1573-2665
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Knowledge of trace element requirements of infants with phenylketonuria (PKU) fed a semisynthetic diet is limited. Three infants with PKU detected early were studied longitudinally in classical balance studies for 72 h, under domestic conditions, at the ages of 2, 5, 8, 12 and 16 weeks. Iron, copper and manganese concentrations in the diet and faeces were determined by atomic absorption spectroscopy. The median concentrations in the diet (4.8 mg Fe/L, 1.7 mg Cu/L, 0.43 mg Mn/L) exceed those in human milk. This is mainly due to supplementation of the amino acid preparation used. The increased intake led to a significantly higher daily retention of Cu and Mn from the PKU-diet fed, with a median of 0.17 mg Cu/kg and 6.4 µg Mn/kg body weight; the median retention of Fe was 0.24 mg Fe/kg. Our results confirmed the doubts about the suitability of the present trace element supplementation in formula for infants with PKU during the first four months of life.
    Type of Medium: Electronic Resource
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  • 14
    ISSN: 1573-2665
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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