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  • Hepatic artery  (2)
  • photoconductivity  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Effect of Photodoping on the Fiske Resonances of YBa2Cu3O x Grain Boundary Josephson Junctions (1998)
    Springer
    Journal of superconductivity 11 (1998), S. 225-230 
    Details
    ISSN: 1572-9605
    Keywords: High-T c superconductors ; photoconductivity ; Josephson effects
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract We have expanded our studies on illuminated YBa2Cu3O x grain boundary Josephson junctions (GBJJ) which show both dc Josephson properties (Fraunhofer pattern) and ac Josephson properties (Fiske resonance). Illuminating GBJJs with visible light changes the Josephson coupling. This change is characterized by an increase of the critical current and a large shift in the voltage position of the Fiske resonances. This effect is due to persistent photoinduced superconductivity (PPS) of the oxygen-depleted YBa2Cu3O x barrier, similar to the PPS found in illuminated oxygen-deficient YBa2Cu3O x thin films. From Fiske resonance experiments in GBJJs of different lengths, it is possible to study the velocity of the electromagnetic wave in the barrier and its change after illumination. Information on the parameters of the barrier, before and after illumination, is obtained from this study.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1022671615180
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Gedeckt perforiertes Aneurysma einer aberrierenden rechten Leberarterie: Papillenblutung (1997)
    Springer
    Langenbeck's archives of surgery 382 (1997), S. 222-225 
    Details
    ISSN: 1435-2451
    Keywords: Key words Hemobilia ; Aneurysm ; Hepatic artery ; Surgery ; Therapy ; Schlüsselwörter Hämobilie ; Aneurysma ; A. hepatica ; Chirurgische Therapie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird über den ungewöhnlichen Fall eines entzündlich bedingten Aneurysma spurium einer aberrierenden rechten Leberarterie anhand von exemplarischem Bildmaterial berichtet. ERCP, Computertomographie und Zöliakographie ermöglichten die Diagnose. Neben gefäßchirurgischen Rekonstruktionen mit Resektion des Aneurysmas und Interposition der V. saphena magna kommt in ausgewählten Fällen auch die Ligatur der A. hepatica communis in Frage. Für intrahepatisch gelegene Aneurysmen kommen vorwiegend interventionelle Methoden in Betracht.
    Notes: Abstract A rare case of spurious aneurysm of an aberrant right hepatic artery is reported. Endoscopic retrograde cholangio-pancreaticography, computed tomography and selective angiography of the coeliac trunc are diagnostic. Resection of the aneurysm and interposition of saphenous vein is the preferred procedure. In selected cases ligation of the common hepatic artery is possible. Intrahepatic aneurysms are preferably treated interventionally.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00008046
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Gedeckt perforiertes Aneurysma einer aberrierenden rechten Leberarterie: Papillenblutung (1997)
    Springer
    Langenbeck's archives of surgery 382 (1997), S. 222-225 
    Details
    ISSN: 1435-2451
    Keywords: Hemobilia ; Aneurysm ; Hepatic artery ; Surgery ; Therapy ; Hämobilie ; Aneurysma ; A. hepatica ; Chirurgische Therapie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird über den ungewöhnlichen Fall eines entzündlich bedingten Aneurysma spurium einer aberrierenden rechten Leberarterie anhand von exemplarischem Bildmaterial berichtet. ERCP, Computertomographie und Zöliakographie ermöglichten die Diagnose. Neben gefäßchirurgischen Rekonstruktionen mit Resektion des Aneurysmas und Interposition der V. saphena magna kommt in ausgewählten Fällen auch die Ligatur der A. hepatica communis in Frage. Für intrahepatisch gelegene Aneurysmen kommen vorwiegend interventionelle Methoden in Betracht.
    Notes: Abstract A rare case of spurious aneurysm of an aberrant right hepatic artery is reported. Endoscopic retrograde cholangio-pancreaticography, computed tomography and selective angiography of the coeliac trunc are diagnostic. Resection of the aneurysm and interposition of saphenous vein is the preferred procedure. In selected cases ligation of the common hepatic artery is possible. Intrahepatic aneurysms are preferably treated interventionally.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02391870
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Photodoping Effects in High Critical Temperature Superconducting Films and Josephson Junctions (2000)
    Springer
    Journal of superconductivity 13 (2000), S. 1-20 
    Details
    ISSN: 1572-9605
    Keywords: doping ; Josephson junctions ; photoconductivity ; superconductivity ; thin films
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract Persistent photoconductivity is an interesting and unusual property of high temperature superconductors. Illumination of these compounds can lead to a change in doping that is persistent at low temperature and relaxes back to its initial value at elevated temperatures. This photodoping can give rise to an improvement of superconducting properties, which is contrary to the illumination effects in conventional superconductors. Furthermore, these photo-induced effects can also be used to probe and modify the properties of grain boundaries in grain boundary Josephson junctions. This paper reviews the experimental data and proposed theoretical models related to these photoinduced effects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1007761805713
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    Paper (German National Licenses)
    Fulltext
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