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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 345 (1977), S. 187-192 
    ISSN: 1435-2451
    Keywords: Gastric ulcer, pathogenesis ; Duodenal ulcer, pathogenesis ; Ulcus duodeni et ventriculi ; Pathogenese
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: ZusammenfaBung „Wer behauptet, das ideale Verfahren zur Behandlung des Magengeschwürs gefunden zu haben, muB als unbescheiden gelten.” Dieser Satz von Schnitzler (1914) gilt im Prinzip bis heute. Pathogenese und operative Verfahren sind nicht kongruent. Es mangelt noch am schlüBigen Konzept der Pathogenese. In kleinen Schritten werden weitere pathogenetische Faktoren und Fakten bekannt, so u. a. für das Ulcus duodeni lokal wirksame chemische Noxen (z. B. Propionitril) für das Ulcus ventriculi der Reflux von Duodenalsaft (z. B. Lysolecithin), der die Schleimhautbarriere vom Magen zu korrodieren vermag. Die derzeit bekannten pathogenetischen Mechanismen werden im einzelnen für die üblichen Geschwürslokalisationen dargestellt.
    Notes: Summary “Anyone who claims to have discovered the ideal procedure in the treatment of gastric ulcer, should be considered immodest.” These words by Schnitzler (1914) are in principle still valid. The pathogenesis and operative procedure are not identical. There is still no conclusive proof of the pathogenesis. The disclosure of other pathogenetic factors and facts is gradual. Locally active chemical noxae (e.g., propionitril) are responsible for the development of duodenal ulcer. Gastric ulcer is caused by the reflux of duodenal juice (e.g., lysolecithin, which is capable of corroding the mucosal barrier of the stomach. The current pathogenetic mechanisms of ulcer of the usual locations are specified.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A-2: Polymer Physics 5 (1967), S. 555-568 
    ISSN: 0449-2978
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: A simple differential, isothermal calorimeter has been built to study the thermodynamics of interactions associated with a variety of polymer solution processes. The calorimeter is readily operated at temperatures ranging from ambient to about 200°C., temperature adjustments are rapid, and the apparatus is rugged enough to permit application to commercial process studies. Though less sensitive than microcalorimeters, it represents an attractive combination of satisfactory accuracy, speed, and flexibility of operation. The operation of the calorimeter is demonstrated by measurements of the heat of solution of sodium chloride in water and the heats of solution of various polyolefins in Tetralin and α-chloronaphthalene. The latter tend to confirm the presence of polymer aggregates in chloronaphthalene solutions below the thermodynamic melting temperature of the polymer.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Physics Edition 17 (1979), S. 1269-1273 
    ISSN: 0098-1273
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
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