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  • 1985-1989  (2)
  • Magnetic resonance (MR) imaging  (1)
  • Mixedsurfactant  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Magnetic resonance imaging of cerebral infarction: Time course of Gd-DTPA enhancement and CT comparison (1988)
    Springer
    Neuroradiology 30 (1988), S. 372-378 
    Details
    ISSN: 1432-1920
    Keywords: Magnetic resonance (MR) imaging ; Gd-DTPA ; Brain infarction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Thirty-five patients (7 females and 28 males) with cerebral infarction and suspicion of cerebral infarction of 4 h to 27 months duration were studied 45 times with magnetic resonance (MR) imaging using Bd-DTPA. Spin echo (SE) images were obtained before and after the administration of Gd-DTPA (0.1 or 0.15 mmol/kg) and compared with the enhanced CT. MR imaging using Gd-DTPA was more sensitive than enhanced CT and very useful for detecting a new focus of cerebral infarction, especially in the cases with multiple infarcted areas and for showing the extent of cortical and subcortical infarction. In most cases the MR enhancement was obvious in the subacute stage, especially after cerebral embolism, and the signal intensity of the lesion tended to show a gradual increase. The diagnosis of embolism was accepted on the basis of acute onset without prior TIA, coupled with angiography showing the embolus itself and/or a capillary blush and a wide area of infarction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00404100
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Interactions of mixed surfactant solution with liposome membrane (1989)
    Springer
    Colloid & polymer science 267 (1989), S. 520-524 
    Details
    ISSN: 1435-1536
    Keywords: Mixedsurfactant ; liposome ; lysis ; solubilization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Interactions of the mixed surfactant solution of dodecylamido propyl dimethyl aminoacetate and sodium dodecyl sulfate with the liposomal membrane were studied. Lytic activities of the surfactants were measured as a function of the concentrations of surfactant and phospholipid and the composition of mixed surfactants. The solubilization limits of phospholipid by surfactants were determined from the change of their aggregation behavior in suspensions at equilibrium by means of quasi-elastic light scattering. The mixed surfactant solutions showed lower lytic activity than single component surfactant solution in spite of the strong adsorption onto the liposome surface. This was attributed to low solubilization power of binary mixture for phospholipid.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01416059
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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