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  • Polymer and Materials Science  (2)
  • Membrane  (1)
Document type
Keywords
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  • 1
    ISSN: 1432-072X
    Keywords: Phenol ; 4-Chlorophenol ; p-Cresol ; Fatty acids ; Lipids ; Supplementation ; Tolerance ; Membrane ; E. coli
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In the presence of sublethal concentrations of phenol, 4-chlorophenol, and p-cresol in the growth medium, cells of Escherichia coli modified the fatty acid composition of their lipids. The result of these changes was an increase in the degree of saturation of lipids probably in order to compensate an increase of fluidity of the membrane induced by the phenols. Supplementation of the growth medium with saturated fatty acids could also enhance the degree of lipid saturation due to the incorporation of the acyl chains in the phospholipids. At the same time the growth of cells was less inhibited than in unsupplemented cells. The increase of tolerance of cells by manipulating the lipid composition indicates that the membrane structure plays a crucial role in the mode of action of phenols.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 56 (1984), S. 624-625 
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 58 (1986), S. 379-386 
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Current problems and developments in biotechnology. Current developments in the field of biotechnology together with the actual problems are described with the aid of some examples. The new field of biotechnology has arisen especially from three methods, viz. gene technology, immobilized biocatalysts, and new developments in process technology. The influence of these methods on the development production techniques for ethanol, glycerol, HFCS, various secondary compounds, proteins, hormones, monoclonal antibodies, products from plant cells, but also on environmental biotechnology is described. These examples show that „classic“ biotechnology has greatly expanded by application of the methods presented. However, a comparison with the development of microprocessors is not yet possible.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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