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  • 1985-1989  (4)
Source
Material
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Surface free energy and interaction of Staphylococcus epidermidis with biomaterials (1989)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology letters 60 (1989), S. 0 
    Details
    ISSN: 1574-6968
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract The adhesion of twenty nine Staphylococcus epidermidis strains to teflon, polyethylene, polycarbonate and bovine pericardium was studied in vitro and examined in relation to the surface free energies of both bacteria and biomaterials. All S. epidermidis strains had similar surface free energies, close to that of water, and adhered better to the materials with analogous surface free energies. There was a significant correlation (Kendall's Tau B= 1000) of biomaterial's surface free energy with the number of adhering bacteria. This correlation is inverse (Kendall's Tau B=−1000) when surface hydrophobicity is considered instead of surface free energy. This indicates that in Staphylococcus epidermidis adherence to biomaterials is inversely correlated to the surface hydrophobicity of the last, being so just the opposite of that occurring with other bacteria.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6968.1989.tb03425.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Studies on the implication of surface hydrophobicity in the adherence ofNeisseria meningitidis to buccal epithelial cells (1986)
    Springer
    Medical microbiology and immunology 175 (1986), S. 27-34 
    Details
    ISSN: 1432-1831
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The study of surface hydrophobicity and adherence to human buccal epithelial cells of fourNeisseria meningitidis strains and the correlation analysis of the data obtained for both parameters has demonstrated that hydrophobicity of meningococci is not a causative factor in adherence in normal conditions. Modification of the bacterial surfaces (by freezing, heating, ultraviolet irradiation, fixation with glutaraldehyde or sodium metaperiodate cleavage of external sugars) induced significant changes in one or both parameters, but these changes were not correlative in both properties. In contrast to other bacteria, the hydrophobicity levels shown by our meningococci are not relevant to their adherent processes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02123126
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Failure of adherence to buccal cells and surface hydrophobicity as virulence markers in Neisseria meningitidis (1989)
    Springer
    Medical microbiology and immunology 178 (1989), S. 53-59 
    Details
    ISSN: 1432-1831
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Surface hydrophobicity and adherence to buccal epithelial cells were studied in 33 carrier and 34 invasive Neisseria meningitidis strains. It was found that hydrophobicity is statistically similar in both groups (P = 0.0507) although it could be considered that carrier strains are slightly more hydrophobic than invasive ones. Adherence was similar in both groups although more homogeneous in the carrier strains. No correlation could be demonstrated between these two properties nor can they be considered relevant as markers of the carrier or invasive status of this bacterium, indicating that at least in N. meningitidis they are not good properties to discriminate virulent strains.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00202292
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Adherence and hydrophobicity inNeisseria meningitidis and their relationship with surface charge (1985)
    Springer
    Medical microbiology and immunology 174 (1985), S. 151-156 
    Details
    ISSN: 1432-1831
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The influence of surface charge on hydrophobicity and adherence of four strains ofNeisseria meningitidis was studied. After neutralization of negative (treatment with EDC-methylamine), positive (treatment with formaldehyde) or both charges, adherence to buccal cells and hydrophobicity were determined and analysed. It was found that surface charges are relevant for adherent processes. Surface hydrophobicity was also found to be influenced by charge but uncorrelated with adherence.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02298125
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    Paper (German National Licenses)
    Fulltext
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