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  • Electronic Resource  (6)
  • 1965-1969  (2)
  • 1960-1964  (4)
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Material
  • Electronic Resource  (6)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Mucosal changes at erupting molars in germfree rats (1969)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of periodontal research 4 (1969), S. 0 
    Details
    ISSN: 1600-0765
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: An accumulation of inflammatory cells in the tissue adjacent to the newly established dentogingival junction of erupting teeth has been reported by several investigators. In order to elucidate the role played by bacteria in the induction of this presumed defence reaction against irritants from the oral cavity, the first and second molars were studied in seven germfree rats aged 14 to 20 days and in age-matched control animals. After previous demineralisation and embedding in paraffin the molars on one side were serially sectioned sagittally.Inspection of the molar areas revealed no differences in the stage of eruption between the two groups. Also, the general histologic picture was almost identical in the two groups. Before fusion of the dental and oral epithelia, only the ordinary cells of loose connective tissue were present. As soon as the molar appeared in the oral cavity, both germfree and control animals regularly showed some accumulation of inflammatory cells in the vicinity of the epithelial confluence.The greatest number of cells as well as an absolute dominance of leucocytes was noted at the onset of the reaction. Later, lymphocytes became frequent, but then the total number of inflammatory cells, and the proportion of lymphocytes, was smaller in the germfree animals than in the controls. At this stage the numbers of inflammatory cells also varied considerably in different areas around each molar.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0765.1969.tb01964.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A Lecithin-hydrolysing Enzyme which correlates with Haemolytic Activity in El Tor Vibrio Supernates (1965)
    [s.l.] : Nature Publishing Group
    Nature 206 (1965), S. 728-728 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Supernatants were prepared according to the method of Watanabe and Felsenfeld3. The hydrolysis of serum phospholipids was studied in the following manner. Human serum (1.5 ml.) containing 0.02 per cent thiomersal was incubated with culture supernatant (0.5 ml.) for 24 h at 37 C. The serum lipids ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/206728a0
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A Phospholipase in Staphylococcal Toxin which hydrolyses Sphingomyelin (1963)
    [s.l.] : Nature Publishing Group
    Nature 198 (1963), S. 1091-1092 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Further investigations of the curtain electrophoresis fractions of this toxin have demonstrated that fractions, other than those which contained the above phospholipase, hydrolysed sphingoinyelin. Thus the release of at least two different phospholipases by this a(3 strain (B.S.M. 24) has been ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1981091a0
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  • 4
    Electronic Resource
    Electronic Resource
    Serum Opacity Reaction produced by Staphylococci (1963)
    [s.l.] : Nature Publishing Group
    Nature 198 (1963), S. 1114-1114 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In an investigation of about 100 strains of Staphy-lococcus pyogenes isolated from cases of bovine mastitis, we too observed that the property of serum-opacity production existed only in p-hsemolysin producing strains. The reaction was best demonstrated on beef infusion agar containing 20 per cent ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1981114a0
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  • 5
    Electronic Resource
    Electronic Resource
    Phospholipase Activity of Staphylococcal Toxin (1962)
    [s.l.] : Nature Publishing Group
    Nature 196 (1962), S. 270-271 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As a first approach, a batch of staphylococcal toxin derived from an aft strain, B.S.M.24, of Staphylococcus pyogenes isolated from a case of bovine mastitis was examined as well as fractions obtained by curtain electrophoresis of the crude toxin. In this communication the action of this toxin on ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/196270b0
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  • 6
    Electronic Resource
    Electronic Resource
    Carrageenin as a Protein Precipitant (1962)
    [s.l.] : Nature Publishing Group
    Nature 194 (1962), S. 451-452 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SINCE the observation of Oncley1 that dextran sulphate, under specific conditions, can be used as a precipitant for p-lipoproteins, increasing attention has been paid to reactions involving sulphated polysaccharides with serum proteins. After considering a range of polyanions, Bernfeld2'3 concluded ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/194451a0
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