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  • Electronic Resource  (4)
  • Chemistry  (3)
  • Short chain fatty acids  (1)
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  • Electronic Resource  (4)
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  • 1
    Electronic Resource
    Electronic Resource
    Influence of osmolality, short chain fatty acids and deoxycholic acid on mucus secretion in the rat colon (1982)
    Springer
    Pflügers Archiv 395 (1982), S. 306-311 
    Details
    ISSN: 1432-2013
    Keywords: Rat ; Colon ; Mucus ; Deoxycholic acid ; Short chain fatty acids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Mucus secretion into the rat colon has been measured in situ using a single perfusion technique. Protein, sialic acid and hexose concentrations in the perfusion solution were found to give reliable estimates of mucus output if samples were homogenized prior to analysis. Mucus output as indicated by an increase in the concentration of mucus constituents was higher when the solution was hypotonic (270 mosm·kg−1) or hypertonic (370 mosm·kg−1) than when isotonic solutions (320 mosm·kg−1) were used. The proportion of hexoses and sialic acid to protein was 23 and 14% at low, 23 and 11% at high osmolality, and 21 and 13% when isotonic solutions were used. Deoxycholic acid (DCA, 4 mmol·l−1) increased the net secretion of mucus constituents 3 fold, whereas short chain fatty acids (SCFA) had no effect. Mucus composition during all treatments did not change significantly, even when stimulated with DCA. When mucus was released from the epithelial surface by previous perfusion with a DCA containing solution, net water and SCFA absorption rates and mucus output were significantly lowered for 2 to 3 h. However, no correlation between mucus secretion and SCFA absorption was found, indicating that a role for mucus as a diffusion barrier to SCFA is unlikely. Mucus output, which indicates the amount of mucus released from the epithelial surface, probably depends on the direction of net water movement, which follows the osmotic gradient between colon lumen and blood.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00580794
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Zum induzierten Zerfall von unsymmetrischen Acylperoxiden (1967)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 79 (1967), S. 1006-1006 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19670792277
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Die Hydrostannierung ungesättigter Verbindungen (1964)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 76 (1964), S. 849-859 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Neue Arbeiten über die Addition von Organozinn-hydriden an Verbindungen mit C=C, C≡C, C=O, C=N, N=N, NCO, NCS und NO-Gruppen werden zusammengefaßt, weitere Ergebnisse mitgeteilt. Die Reaktionen verlaufen meistens radikalisch, seltener polar und können durch Katalysatoren sehr beschleunigt werden. Organozinn-hydride sind starke Radikalfänger und üben auf den Zerfall von Radikalbildnern weitgehende Einflüsse aus.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19640762003
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  • 4
    Electronic Resource
    Electronic Resource
    Zum induzierten Zerfall von Acyl- und Alkyl-peroxyden (1965)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 77 (1965), S. 733-733 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19650771651
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    Paper (German National Licenses)
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