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  • Articles: DFG German National Licenses  (6)
  • Rat  (4)
  • Polymer and Materials Science  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Pflügers Archiv 306 (1969), S. 219-226 
    ISSN: 1432-2013
    Keywords: (Na+K+)-ATPase ; (Mg++)-ATPase ; Rat ; Nephron ; Quantitative Histochemistry ; (Na+K+)-ATPase ; (Mg++)-ATPase ; Ratte ; Nephron ; Quantitative Histochemie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In 17 male Wistar rats in antidiuresis 10 different nephron segments and arteries are identified with the aid of Lowry's technique, dissected and total-and (Mg++)-adenosintriphosphatase (=ATPase) determined. (Na+K+)-activated ATPase in the distal tubule is four to five times (max. eight times) more active than in the proximal segment. This difference of activity may speak for a high pump mechanism mediated by the way of a (Na+K+)-activated enzyme system in the distal nephron and for a partially passive reabsorption of sodium from the proximal convolution.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-2013
    Keywords: NaKATPase ; Intracellular Localisation ; Proximal Tubule ; Rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary With refinements of quantitative histochemistry, i.e. oilwell technique, enzymaticP ianalysis and NADP/NADPH cycling an enzymatic polarization of the tubular epithelial cell from the rat nephron to NaKATPase can be established. NaKATPase activity is limited to the basal area of the epithelial cell. Brush border fragments lack NaKATPase activity.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Clinical and experimental medicine 151 (1969), S. 93-102 
    ISSN: 1591-9528
    Keywords: Rat ; Nephron ; Alkaline Phosphatase ; ATPases ; Quantitative Histochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary With three phosphohydrolases, i. e. alkaline phosphatase (Na+K+), ATPase and (Mg++) ATPase, a segmentation of the proximal tubule and a marked difference between the short (superficial) and long (Juxtamedullary) nephron is revealed by quantitative histochemistry. With the exception of the superficial nephron of the male rat, alkaline phosphatase activity increases along the proximal tubule independent of sex. (Na+K+) ATPase and (Mg++) ATPase show in both types of nephrons a decrease of activity along the proximal tubule. The juxtamedullary nephron is more active than the superficial. Parallelism of the site of avtivity for alkaline phosphatase and the location of reabsorption of phosphate ions is discussed. Morphological and physiological data from the literature are brought into connexion with the enzymatic changes of a (Na+K+) ATPase activity decrease.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Clinical and experimental medicine 155 (1971), S. 340-353 
    ISSN: 1591-9528
    Keywords: Rat ; Nephron types ; Oxydoreductases ; Quantitative histochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary With oxidoreductases mediating several metabolic pathways, e.g. LDH (glycolysis), ICDH, MDH (tricarboxylic acid cycle), GLDH (aminoacid metabolism) and G-6-PDH (hexose monophosphate shunt) additional marked differences between the subcapsular (SCN) and juxtamedullary (JMN) nephron of rat kidney could be established using quantitative histochemical technique. The enzymatic differences between the two nephron types are mainly quantitative as could be shown within the logarithmic network. The intrarenal enzymatic heterogeneity seems to constitute a general concept.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 19 (1988), S. 36-40 
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Metal-matrix Composites with Metallic GlassesMetallic glass ribbons are well known for their very high tensile strengths. Since they offer an attractive potential of low-cost volume production, the development of a metallic glass-metal matrix composite should be very attractive. This paper reports first results on the feasibility of fabricating such composites by surface plating or incorporation by various techniques.The influence of fabrication methods on the interfacial bonding was investigated by means of cross-sectional light and electron microscopy.
    Notes: Metallglas-Bänder zeichnen sich durch sehr hohe Zugfestigkeit und kostengünstige Herstellung aus, so daß die Entwicklung eines Metallglas-Metallmatrix-Verbundwerkstoffes ausgesprochen interessant erscheint.Die vorliegende Arbeit berichtet über erste Ergebnisse, solche Verbundwerkstoffe durch Oberflächenbeschichten, verschiedene Einbettmethoden bzw. ein Festkörperreaktionsverfahren herzustellen.Dabei wird vorallem der Einfluß der Herstellungsmethoden auf die Grenzflächenhaftung licht- und elektronenmikroskopisch untersucht.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 66 (1994), S. 1179-1180 
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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