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  • 1
    Electronic Resource
    Electronic Resource
    116. Auswirkungen verschiedener Therapiekonzepte auf die Lebenserwartung maligner Strumen — Eine retrospektive Studie über 1128 Fälle (1985)
    Springer
    Langenbeck's archives of surgery 366 (1985), S. 587-588 
    Details
    ISSN: 1435-2451
    Keywords: Thyroid carcinoma ; Retrospective analysis ; Struma maligna ; Retrospektive ; Klinische Studie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung 1128 maligne Strumen, die in den Jahren 1949–1981 an der Chirurgischen Abteilung des Kaiserin Elisabeth Spitales der Stadt Wien unter 4 Vorständen (P. Huber, P. Fuchsig, G. Hienert, K. Keminger) mit sehr unterschiedlichen Therapiekonzepten behandelt wurden, wurden computermäßig erfaßt und in einer retrospektiven, klinischen Studie statistisch ausgewertet. Analysiert wurden: Tumorhistologie, Tumorstadium, Alter, Operationsart und Nachbehandlung.Die totale Thyreoidektomie mit Radiojod- und Hormontherapie hat beim differenzierten Ca. bei einer Langzeitbeobachtung von 25 Jahren die beste Lebenserwartung. Undifferenzierte Ca. sollten so radikal als möglich operiert und einer Hochvolttherapie zugeführt werden.
    Notes: Summary From 1949 to 1981, 1128 cases of thyroid carcinoma were treated. According to four different department heads, the operative and postoperative treatment policy had varied. The statistical evaluation of this retrospective study proves: patients with highly differentiated thyroid carcinoma showed the best survival rate after 25-year follow-up when they had had a thyroidectomy, postoperative radioactive iodine therapy, and a suppressive dosage of thyroid hormones. Anaplastic carcinoma should be treated by ultraradical surgery and external radiation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01836715
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  • 2
    Electronic Resource
    Electronic Resource
    Characterization of superconducting YBaCuO-films by low temperature scanning electron microscopy (1989)
    Springer
    The European physical journal 75 (1989), S. 423-432 
    Details
    ISSN: 1434-6036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Low-temperature scanning electron microscopy has been performed for imaging the spatial distribution of the critical current densityj c(x,y) and of the critical temperatureT c(x,y) in polycrystalline superconducting YBaCuO films. Strongly inhomogeneous behavior has been observed, and the spatial resolution limit has been found to be 1–2 μm. The local temperature increment in the specimen film caused by the electron beam scanning has been demonstrated experimentally as the underlying mechanism of the imaging principle, and the beam-induced thermal perturbation of the high-T c film/substrate configuration is discussed in detail. The radiation hardness of the sample films against the electron beam irradiation in our imaging experiments has been evaluated. No radiation damage could be detected up to the maximum applied dose of well above 1020 electrons/cm2 for a typical beam energy of 26 keV.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01312518
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  • 3
    Electronic Resource
    Electronic Resource
    34. Das „Kalte Adenom” als Operationsindikation im Endemiegebiet: Unter- oder überbewertet? (1986)
    Springer
    Langenbeck's archives of surgery 369 (1986), S. 195-197 
    Details
    ISSN: 1435-2451
    Keywords: Cold nodules of the thyroid ; Malignancy ; Kalter Schilddrüsenknoten ; Malignitätsrate ; Risikofaktoren
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die retrospektive Analyse von 7016 Schilddrüsenoperationen der Jahre 1978–1985 zeigte eine Zunahme der Operationsindikation „kalter Knoten” von 23 % auf 52 %. Die Malignitätsrate des kalten Knotens" nahm in diesem Zeitraum von 7,2 % auf 6,3 % ab. Die forcierte Operation des kalten Knotens brachte aber eine Zunahme der niedrigen Tumorstadien 1 und 11, wodurch Radikaloperationen im höheren Maße (68,3 %) möglich waren. Eine erhöhte Malignitätsrate zeigt ein kalter Knoten bei folgenden Risikofaktoren: solitärer, solider Knoten, Patient jünger als 30 Jahre, älter als 60 Jahre, männlichen Geschlechtes.
    Notes: Summary The retrospective analysis of 7016 operations of the thyroid (1978–1985) showed an increase of operations of cold nodules from 23 % to 52 %. The rate of malignancy of cold nodules decreased from 7.2 % to 6.3 %. But, the intensive operative management of cold nodules resulted in an increase of operations of low stage tumors. Therefore radical operation of thyroid tumors was possible in 68.3 % of cases. An elevated rate of malignancy is observed, if a cold nodule is associated with the following criteria: solitary, solid, male patients, younger than 30 and older than 60 years.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01274351
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  • 4
    Electronic Resource
    Electronic Resource
    Interaction between phase-slip centers in superconducting indium microbridges (1989)
    Springer
    Journal of low temperature physics 74 (1989), S. 215-229 
    Details
    ISSN: 1573-7357
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We have studied the electric behavior of phase-slip centers in superconducting indium microbridges of 0.9 µm thickness, 3–4 µm width, and 70–130 µm length. Our measurements were performed in the temperature range 3–10 mK below the critical temperature Tc resulting in relatively large values (about 10–20 µm) of the quasiparticle diffusion length. The temperature dependent Ginzburg-Landau coherence length ξ(T) has been determined for all samples from the measured temperature dependence of the critical current density. The fabrication of two notches in the indium bridge has been found to localize reliably the nucleation site of the first two phase-slip centers. Our measurements quantitatively confirmed the dc interaction predicted by the model of Kadin, Smith, and Skocpol. In addition, for temperatures very close toT c , an ac interaction has been observed which disappears abruptly for decreasing temperature. No voltage coupling has been detected.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00683373
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  • 5
    Electronic Resource
    Electronic Resource
    Komplexe des Chroms, Molybdäns und Wolframs mit Aminoarsan-Liganden. II [1] (1985)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 522 (1985), S. 65-75 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Complexes of Chromium, Molybdenum, and Tungsten with Aminoarsanes as Ligands. IIThe cleavage of the As—N bond in aminoarsane ligands with acids is examined and the reactivity of the As—N bond in the aminoarsane molecule and in the aminoarsane ligand is compared. The results confirme the σ-donor-π-acceptor model of the complex bonding as well as the mechanism of the cleavage of the As—N bond.
    Notes: Die Säurespaltung der As—N-Bindung in Aminoarsan-Liganden wird untersucht und die Reaktivität der As—N-Bindung in Aminoarsan-Molekülen and Aminoarsan-Liganden verglichen. Die Ergebnisse bestätigen das σ-Donor-π-Akzeptor-modell der Komplexbindung sowie den Mechanismus der Säurespaltung der As—N-Bindung.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19855220308
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  • 6
    Electronic Resource
    Electronic Resource
    Komplexe des Chroms und Molybdäns mit Aminoarsan-Liganden. III (1985)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 522 (1985), S. 76-82 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Complexes of Chromium and Molybdenum with Aminoarsanes as Ligands. IIIThe reaction of the norbornadien complexes (CO)4MC7H8 (M = Cr, Mo) with aminoarsanes MemAs(NMe2)n (m = 2, 1; n = 1, 2) is examined. The substitution reaction results in the formation of complexes of the formula cis-(CO)4M(aminoarsane)2. These complexes rearrange to a mixture of hexacarbonyles M(CO)6 and monosubstituted complexes (CO)5M-aminoarsane. The cleavage of the As—N bond in the coordinated aminoarsane ligand with acid molecules as ethanol, thioethanol, or glycol yields complexes of the type (CO)4M[AsMen)—Xm]2.
    Notes: Die Umsetzung der Norbornadien-Komplexe (CO)4MC7H8 (M = Cr, Mo) mit den Aminoarsanen MemAs(NMe2)n (m = 2, 1; n = 1, 2) wird untersucht. Die Substitution führt zu den Komplexen cis-(CO)4M(Aminoarsan02. Diese Komplexe lagern sich um zu einem Gemisch der Hexacarbonyle M(CO)6 und der monosubstituierten Komplexe (CO)5M-Aminoarsan. Die Spaltung der As—N-Bindung in den koordinierten Aminoarsan-Liganden mit aciden Molekülen wie Ethanol, Thioethanol oder Glykol führt zu Komplexen des Typs (CO)4M[As(Men)—Xm]2.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19855220309
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