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  • 1995-1999  (3)
  • 42.55.Ks  (1)
  • Key words. Trehalose 6,6′-dimycolate (TDM); cord factor; mycolic acid; granuloma formation; Mycobacterium; gas chromatography-mass spectrometry.  (1)
  • toluene  (1)
Source
Material
Years
  • 1995-1999  (3)
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Catalytic Si-C bond formation by nucleophilic substitution at silicon by benzyl anions generated over KNH2 loaded on alumina (1998)
    Springer
    Catalysis letters 50 (1998), S. 83-85 
    Details
    ISSN: 1572-879X
    Keywords: solid base ; KNH2 loaded on alumina ; Si-C bond formation ; toluene ; diethylsilane
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The catalytic substitution at silicon occurs in the reaction of toluene and diethylsilane in the presence of KNH2 loaded on alumina, the yield of benzyldiethylsilane being 85% in 40 h at 329 K. Benzene also reacted with diethylsilane in the presence of the catalyst to afford a 7.5% yield of benzyl diethylsilane in 20 h at 329 K.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1019006816637
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Granuloma formation activity and mycolic acid composition of mycobacterial cord factor (1997)
    Springer
    Cellular and molecular life sciences 53 (1997), S. 227-232 
    Details
    ISSN: 1420-9071
    Keywords: Key words. Trehalose 6,6′-dimycolate (TDM); cord factor; mycolic acid; granuloma formation; Mycobacterium; gas chromatography-mass spectrometry.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. We analyzed the mycolic acid composition of trehalose 6,6′-dimycolate (TDM) obtained from Mycobacterium, using thin layer chromatography, gas chromatography and gas chromatography-mass spectrometry. Utilizing TDM, whose structure was confirmed, granuloma formation in mice was investigated. All TDM used exhibited considerable granuloma formation activity in the lung and spleen. In particular, TDM from M. bovis showed the greatest activity and toxicity among mycobacterial TDM. We therefore discussed the relationship between the chemical structure and granuloma-forming activity of TDM, especially in relation to the structure of mycolic acid in TDM.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00000595
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Intracavity second-harmonic generation of chemical oxygen-iodine laser emission using a LBO crystal (1995)
    Springer
    Applied physics 60 (1995), S. 369-373 
    Details
    ISSN: 1432-0649
    Keywords: 42.55.Ks
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Intracavity second-harmonic generation of continuous-wave chemical oxygen-iodine laser emission has been studied. A chemical oxygen-iodine laser with a maximum fundamental-wave output power of about 10 W in a concentric cavity was used. Experiments were performed for three types of optical cavities using an 1 cm LBO crystal. Second-harmonic output of 12.4 W, 6.2 W, and 5.2 W, effective extraction efficiencies of 155.0% 65.9%. and 55.3%, and single-pass conversion efficiencies of 0.615%, 0.685%, and 0.655% were obtained for the respective cavities. A comparison of these results of coupling by frequency doubling with the results of fundamental-wave output coupling of this system is also presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01082273
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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