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  • Articles: DFG German National Licenses  (3)
  • Chemistry  (2)
  • Rhizobium  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Nodulation of Trifolium repens at low pH by single and paired strains of Rhizobium leguminosarum biovar trifolii (1997)
    Springer
    Archives of microbiology 168 (1997), S. 193-198 
    Details
    ISSN: 1432-072X
    Keywords: Key words Competition ; Nodulation ; Rhizobium ; leguminosarum bv. trifolii ; Trifolium repens ; Acidity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Detailed individual nodulation profiles were obtained for five strains of Rhizobium leguminosarum biovar trifolii inoculated onto roots of Trifolium repens seedlings growing on an agar medium of pH 4.5. The time of appearance and the location of every nodule were noted for a period of 10 days after inoculation. Using these nodulation frequency profiles, pairings of strains were identified and six mixed-strain inoculation (1:1 ratio) experiments were subsequently performed at pH 4.5. Results from the mixed-inoculum experiments showed that the performance of a Rhizobium strain in single culture could not be reliably used to predict the outcome of a paired-inoculation study and that some seedlings were exclusively nodulated by rhizobia that performed poorly at low pH in single-culture inoculations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002030050487
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A method of automatic pH control of a bicarbonate-CO2 buffer system for the submerged culture of hamster kidney cells (1964)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 6 (1964), S. 147-158 
    Details
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The equipment and operational techniques are described which were found suitable to control pH in the range 6.8-7.8 pH, within ±0.03 pH units of the desired value, at cell concentrations up to a maximum of 2.5 × 106/ml. The results of batch growth of a suspension strain of the BHK cell (clone 13) under conditions of controlled pH are given and the significance of these results is discussed.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bit.260060204
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Sterilization of tissue-culture medium by filtration on a large laboratory scale (1966)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 8 (1966), S. 153-165 
    Details
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The design and operation of a permanently-piped plant for sterilizing 10-200 l. of tissue-culture media is described. The plant is sterilized in situ by steam injection, the filtration rate is 2-3 l./min., and the turn-around time for volumes of 100 l. is about 3 hr.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bit.260080113
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    Paper (German National Licenses)
    Fulltext
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