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  • 1995-1999  (2)
  • DEMS  (1)
  • Nasopharyngeal bacterial interference  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Simultaneous determination of chlorine and oxygen evolving at RuO2/Ti and RuO2–TiO2/Ti anodes by differential electrochemical mass spectroscopy (1998)
    Springer
    Journal of applied electrochemistry 28 (1998), S. 511-516 
    Details
    ISSN: 1572-8838
    Keywords: ruthenium oxide ; titanium oxide ; chlorine ; oxygen ; DEMS ; porous electrode
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract Chlorine and oxygen evolving at RuO2/Ti and RuO2–TiO2/Ti anodes have been simultaneously determined at electrode potentials from 1.0 to about 2V (vs Ag/AgCl) by differential electrochemical mass spectroscopy (DEMS). On the RuO2/Ti anodes, the threshold electrode potential for oxygen evolution increased with a decrease in RuO2 loading, while the chlorine evolution potential was unchanged. Low RuO2 loading anodes gave a high chlorine evolution ratio under various constant electrolysis potentials. On the RuO2–TiO2/Ti anodes, the threshold electrode potential for oxygen evolution increased with an increase in the TiO2 content more remarkably than that for chlorine evolution. High TiO2 content anodes gave a high chlorine evolution ratio at various constant electrolysis potentials. The combination of RuO2 and TiO2 exhibits a remarkable effect with respect to the enhancement of chlorine evolution selectivity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1003269228566
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The nasopharyngeal bacterial flora in children with otitis media with effusion (1996)
    Springer
    European archives of oto-rhino-laryngology and head & neck 253 (1996), S. 260-263 
    Details
    ISSN: 1434-4726
    Keywords: Otitis media with effusion ; Nasopharyngeal bacterial interference ; α-Streptococcus ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A study was undertaken to evaluate the incidence of nasopharyngeal α-streptococci with inhibitory activity against pathogens, as a defense mechanism of the normal bacterial flora against infection. Cultures were taken from the nasopharynges of 43 children with otitis media with effusion (OME). The detection rates of α-streptococci with inhibitory activity against Haemophilus influenzae, Streptococcus pneumoniae, Staphylococus aureus and group A streptococci were significantly lower in the nasopharynx than those isolated from the tonsils of the same patients. Moreover, the detection rates of α-streptococci with inhibitory activity against all of these pathogens derived from the nasopharynx were lower than those in healthy children, streptococcal strains with activity against H. influenzae and Strep. pneumoniae were also lower than that in patients with tonsillitis. These findings suggest that low nasopharyngeal levels of α-streptococci with inhibitory activity against respiratory pathogens may render children susceptible to OME. Further studies are needed to investigate the relationships between the prevalence of pathogens in the nasopharynx and the inhibitory activities of α-streptococci against them in order to devise and select optimal treatment for patients with OME.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00171139
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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