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  • Ambrox®  (1)
  • Polymer and Materials Science  (1)
  • gauze  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Clinical and experimental studies of the limulus test after digestive surgery (1995)
    Springer
    Surgery today 25 (1995), S. 790-794 
    Details
    ISSN: 1436-2813
    Keywords: endotoxin ; (1→3)-β-d-glucan ; digestive surgery ; liver cirrhosis ; gauze
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A chromogenic limulus test (Toxicolor test) revealed a transiently increased blood endotoxin level in some patients after digestive surgery. However, most showed no clinical signs of endotoxemia. The Endospecy test of these specimens, which reacts specifically with endotoxin, did not show a high value, while the Gluspecy test, which reacts specifically with (1→3)-β-d-glucan (glucan), did. These findings thus suggested that the gauze used for surgery contains a large amount of glucan. The intraperitoneal injection of this gauze-saline into rats results in a phenomenon similar to that observed in clinical studies. These findings suggested the involvement of substances other than endotoxin such as glucan in the postoperative positive-Toxicolor phenomenon. In addition, the Toxicolor test also showed a higher value in patients with liver cirrhosis than in those without. In an experimental study in rats, the liver cirrhosis group also showed a significantly high value. These results therefore suggest that the glucan clearance mechanism is impaired in the reticuloendothelial system in liver damage such as cirrhosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00311454
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  • 2
    Electronic Resource
    Electronic Resource
    Pd(II)-catalyzed copolymerization of a norbornadiene derivative with substituted phenylacetylenes (1997)
    Weinheim : Wiley-Blackwell
    Macromolecular Rapid Communications 18 (1997), S. 651-657 
    Details
    ISSN: 1022-1336
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Copolymerizations of diethyl 7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate (DOHDD) with phenylacetylene (PA) or p-methoxyphenylacetylene (MeOPA) were successfully performed in chloroform using PdBr2 as catalyst. The products of reactivity ratios r1 · r2 for poly(DOHDD-co-PA) and poly(DOHDD-co-MeOPA) are 0.026 and 0.0077, respectively. These values suggest a maximum degree of alternating sequences of 86 and 92% in the two systems, hence a high alternating tendency. It is interesting to note that the present copolymerizations occur by combination of different types of monomer, alkene and alkyne.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/marc.1997.030180805
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Triterpenoid total synthesis, I. Synthesis of ambrein and Ambrox® (1990)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1990 (1990), S. 361-368 
    Details
    ISSN: 0170-2041
    Keywords: Ambergris ; Ambrein ; Ambrox® ; Organoalane ; Triterpene ; Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The first total synthesis of (+)-ambrein (1), a triterpene alcohol isolated from ambergris, was achieved. Both the enantiomers of ambrox® (2) were also synthesized.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jlac.199019900169
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    Paper (German National Licenses)
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