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  • Articles: DFG German National Licenses  (3)
  • Biochemistry  (2)
  • Gastric bypass  (1)
  • 1
    Electronic Resource
    Electronic Resource
    131. Retrosternaler Magenbypass zur palliativen Behandlung des nicht resektablen Oesophaguscarcinoms (1981)
    Springer
    Langenbeck's archives of surgery 355 (1981), S. 525-526 
    Details
    ISSN: 1435-2451
    Keywords: Esophageal carcinoma ; Palliative treatment ; Gastric bypass ; Oesophaguscarcinom ; palliative Behandlung ; Magenbypass
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Von 1977 bis 1980 wurden 11 Patienten mit nicht resektablem Oesophaguscarcinom durch einen retrosternalen Magenbypass mit cervicaler, oesophago-gastraler Anastomose nach Akiyama behandelt. Die Indikation wurde gestellt, wenn der Tumor lokal inoperabel war oder der Allgemeinzustand des Patienten eine Oesophagusresektion nicht zuließ. Kontraindikationen waren eine diffuse Metastasierung, ein zu weit fortgeschrittenes Tumorstadium und eine Lage des Tumors im oberen Drittel des Oesophagus. 1 Patient verstarb postoperativ, die anderen Patienten konnten sich vom 10. postoperativen Tag an oral ernähren. Der verbliebene Tumor konnte nachbestrahlt werden.
    Notes: Summary From 1977-1980, 11 patients with nonresectable esophageal carcinoma were treated by retrosternal gastric bypass with cervical esophagogastric anastomosis according to Akiyama. This procedure was indicated for cases in whom the tumor was not resectable because it extended into neighboring organs or the general condition of the patient was poor. Gastric bypass was not indicated in far advanced cases with metastases in the liver and the peritoneum and in tumors of the upper third of the esophagus. One patient died postoperatively; the others were able to swallow normal food after the 10th postoperative day. Radiation therapy of the remaining tumor was possible.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01286961
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Sixty-atom carbon cages (1991)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Computational Chemistry 12 (1991), S. 1265-1269 
    Details
    ISSN: 0192-8651
    Keywords: Computational Chemistry and Molecular Modeling ; Biochemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Computer Science
    Notes: The enumeration of all 60-atom carbon cages associated to trivalent polyhedra with five-and six-sided faces is addressed. This isomer problem is computationally solved to give 1790 cages, with a further resolution into subclasses of cages with differing numbers p of abutting pairs of pentagonal faces. The individual cages are generated, and then there are computed various graph-theoretic invariants, including Hückel MO energies, HOMO-LUMO gaps, Kekulé structure counts, and conjugated-circuit counts. Associated properties as a function of p are reported and found to be in concert with earlier qualitative arguments. It is found that the most stable of these cages is the unqiue p = 0 Buckminsterfullerene structure.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcc.540121015
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Generation of carbon-cage polyhedra (1991)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Computational Chemistry 12 (1991), S. 1252-1259 
    Details
    ISSN: 0192-8651
    Keywords: Computational Chemistry and Molecular Modeling ; Biochemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Computer Science
    Notes: The problem of the generation of polyhedra with degree-3 vertices, and faces each of which is pentagonal or hexagonal, is addressed in order to characterize carbon in order to characterize clusters of ca. 30 or more atoms. Following Eulerian type arguments such polyhedra are subcategorized in terms of numbers of different types of local structures. An algorithm to generate such polyhedra is developed, and its computer implementation is described. Results for smaller than 80-vertex cages of subcategories anticipated to be more chemically relevant are reported. The singular position of the truncated-icosahedron (buckminsterfullerene) structure is noted.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcc.540121013
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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