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  • 1
    ISSN: 1432-2102
    Keywords: Schlüsselwörter Therapeutischer Ultraschall in der Tumortherapie ; Grundlagen ; Anwendungen ; Key words Tumortherapy with ultrasound
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary We are interested in the interaction of high-energy ultrasound with biological tissue with regard to cancer therapy. The physical and biological aspects of this are reviewed and summarized in this paper. The preliminary results give reason to hope, as ultrasound is easy to focuse and might be applicable as a supplementary therapeutic technique in ultrasound-accessible tumors. The changes observed in biological studies are clearly a function of the pyhsical parameters. Therefore, it is possible to calculate and predict the biological effects. Recent results have shown the potential of magnetic resonance imaging in monitoring ultrasound therapy online. The capability of MRI to measure temperature will be an important tool for the safe and reliable application of this new therapeutic approach. The role of ultrasound therapy in the management of human tumors must be clarified in carefully conducted clinical trials.
    Notes: Zusammenfassung Unser Interesse gilt der Wechselwirkung von hochenergetischen Ultraschallwellen mit biologischen Geweben im Hinblick auf die onkologische Therapie. In dieser Arbeit werden die physikalischen und biologischen Aspekte diskutiert und zusammengefaßt. Die vorläufigen Resultate geben Anlaß zur Hoffnung, daß Ultraschall wegen seiner guten Tiefenfokussierbarkeit als zusätzliche therapeutische Technik bei schalltechnisch zugänglichen Tumoren eingesetzt werden könnte. Die experimentell beobachteten ultraschallinduzierten Effekte sind eine Funktion der applizierten Ultraschallparameter. Daher ist es möglich, diese Effekte vorherzusagen. Neue Ergebnisse zeigen, daß die Kernspintomographie zur „Online“überwachung der ultraschallinduzierten Hochtemperaturhyperthermie geeignet ist. Die Möglichkeit zur nichtinvasiven kernspintomographischen Temperaturmessung kann ein wichtiges Instrument zur sicheren und zuverlässigen Ultraschalltherapie werden. Wir empfehlen, daß die Rolle der Ultraschalltherapie von menschlichen Tumoren in sorgfältig geplanten klinischen Studien überprüft wird.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0711
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Archives of gynecology and obstetrics 258 (1996), S. 151-154 
    ISSN: 1432-0711
    Keywords: Key words: Gastric cancer ; Pregnancy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. We report two cases of advanced gastric carcinoma in pregnancy.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Journal of low temperature physics 113 (1998), S. 19-29 
    ISSN: 1573-7357
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Nitrogen has been condensed into Vycor glass and three controlled pore glasses with pore diameters in the nm-range. Adsorption isotherms at 77K have been studied. The induced infrared activity of the N-N stretching vibration has been investigated as function of temperature and filling fraction. Molecules in the first monolayer next to the pore walls can be discriminated from those in the second monolayer, whereas molecules in the center of the pores remain infrared inactive.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Journal of low temperature physics 111 (1998), S. 419-427 
    ISSN: 1573-7357
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract N 2 condensed into nanoporous glass has been investigated by X-ray diffraction and adsorption/filling isotherms. The material in the pores consists of an amorphous layer at the pore walls and quasi–bulk material in the center of the pores. The freezing temperature of the bulk component is reduced. Its structure is hcp down to lowest temperatures with a stacking fault probability as large as 0.3. Thus the transition hcp–Pa3 of the bulk solid is suppressed.
    Type of Medium: Electronic Resource
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