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  • 1990-1994  (4)
  • Acinetobactin  (2)
  • Convection  (1)
  • Hepatic arterio-venous shunt  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Hypergalactosaemia in a patient with portal-hepatic venous and hepatic arterio-venous shunts detected by neonatal screening (1993)
    Springer
    European journal of pediatrics 152 (1993), S. 990-992 
    Details
    ISSN: 1432-1076
    Keywords: Hypergalactosaemia ; Portal-hepatic venous shunt ; Hepatic arterio-venous shunt ; Portosystemic shunting ; Newborn screening
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Hypergalactosaemia was discovered in a newborn girl during routine metabolic screening. Hereditary enzyme deficiency was ruled out. She had multiple hepatic haemangiomas with portal-hepatic venous and hepatic arterio-venous shunts. Since she showed signs of high-output heart failure due to the arterio-venous shunt, hepatic artery embolization was performed at age 3 months. A galactose tolerance test was performed before and after embolization and when the haemangioma no longer appeared on ultrasonography. Even after embolization, the level of blood galactose was abnormally elevated in the galactose tolerance test, but the blood galactose was eliminated more rapidly than before embolization. When the hepatic haemangioma was no longer detected by ultrasonography, the peak galactose level decreased. We surmise that the hypergalactosaemia was due to these shunts. In cases of hypergalactosaemia of unknown cause; liver haemangioma with portal-hepatic venous shunting should be considered as a possible cause. If a hepatic arteriovenous shunt also exists, this may contribute to the effect of the portosystemic shunting.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01957222
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Isolation and structure elucidation of acinetobactin, a novel siderophore from Acinetobacter baumannii (1994)
    Springer
    Archives of microbiology 162 (1994), S. 249-254 
    Details
    ISSN: 1432-072X
    Keywords: Key words     Siderophore ; Iron-uptake ; Acinetobacter baumannii ; Acinetobactin ; ω-N-Hydroxyhistamine ; 2 ; 3-Dihydroxybenzoic acid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract      A novel siderophore, called acinetobactin, with both catecholate and hydroxamate functional groups was isolated from low-iron cultures of Acinetobacter baumannii ATCC 19606. The structure was elucidated by chemical degradation, fast-atom bombardment mass spectrometry and 1H and 13C NMR spectroscopy. Acinetobactin was composed of ω-N-hydroxyhistamine, threonine and 2,3-dihydr ybenzoic acid, the last two components forming an oxazoline ring. Acinetobactin was structurally related to anguibactin, a plasmid-encoded siderophore of Vibrio anguillarum. The only difference was that acinetobactin possessed an oxazoline ring instead of a thiazoline ring. Four of 12 other clinical A. baumannii strains examined produced acinetobactin, indicative of strain-to-strain variation in the ability to produce acinetobactin. In addition, a relatively small amount of acinetobactin w as also detected in A. haemolyticus ATCC 17906.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00301846
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Isolation and structure elucidation of acinetobactin., a novel siderophore from Acinetobacter baumannii (1994)
    Springer
    Archives of microbiology 162 (1994), S. 249-254 
    Details
    ISSN: 1432-072X
    Keywords: Siderophore ; Iron-uptake ; Acinetobacter baumannii ; Acinetobactin ; ω-N-Hydroxyhistamine 2,3-Dihydroxybenzoic acid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A novel siderophore, called acinetobactin, with both catecholate and hydroxamate functional groups was isolated from low-iron cultures of Acinetobacter baumannii ATCC 19606. The structure was elucidated by chemical degradation, fast-atom bombardment mass spectrometry and 1H and 13C NMR spectroscopy. Acinetobactin was composed of ω-N-hydroxyhistamine, threonine and 2,3-dihydroxybenzoic acid, the last two components forming an oxazoline ring. Acinetobactin was structurally related to anguibactin, a plasmid-encoded siderophore of Vibrio anguillarum. The only difference was that acinetobactin possessed an oxazoline ring instead of a thiazoline ring. Four of 12 other clinical A. baumannii strains examined produced acinetobactin, indicative of strain-to-strain variation in the ability to produce acinetobactin. In addition, a relatively small amount of acinetobactin was also detected in A. haemolyticus ATCC 17906.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00301846
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Pinning and long-time-scale behavior in traveling-wave convection (1991)
    Springer
    Journal of statistical physics 64 (1991), S. 903-912 
    Details
    ISSN: 1572-9613
    Keywords: Convection ; traveling waves ; pattern formation and dynamics ; binary fluid mixtures
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We study nonlinear traveling-wave (TW) and stationary states of convection in experiments in ethanol-water mixtures. While the TW phase velocity as a function of Rayleigh number has been recently shown to be in agreement with the predictions of theory and numerical calculations, we find that this velocity is temporally modulated at frequencies corresponding to the travel time of a single convection roll and of a roll pair past a point stationary in the convection cell. This modulation could be due to the pinning of the convection pattern by experimental inhomogeneities. For large Rayleigh numbers where stationary overturning convection is expected, we sometimes observe extremely slow unidirectional TW states. For larger Rayleigh numbers, this slow TW state starts and stops intermittently on a characteristic time scale of several days. The possible origin of these phenomena and their potential utility are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01048803
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    Paper (German National Licenses)
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