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  • Articles: DFG German National Licenses  (2)
  • Chapman-Enskog solutions  (1)
  • Chromoprotein  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Large scale production and semi-purification of kedarcidin in a 1000-L fermentor (1994)
    Springer
    Journal of industrial microbiology and biotechnology 13 (1994), S. 356-360 
    Details
    ISSN: 1476-5535
    Keywords: Kedarcidin ; Antitumor antibiotic ; Chromoprotein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary Actinomycete strain ATCC 53650 was grown in a 1000-L fermentor containing 680 L of medium and the production of kedarcidin was monitored by HPLC. The titers of kedarcidin in the fermentor cultures were 0.49–0.53 mg ml−1. A quick and efficient purification method involving the use of anion exchange resin DE23 (batch adsorption-desorption) and an ultrafiltration system yielded high recovery (65% yield) of kedarcidin from the fermentor culture. Over 200 grams of lyophilized kedarcidin of 70% purity was recovered from each of two 1000-L fermentor cultures using this process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01577219
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Nonequilibrium kinetics: Exact and approximate solutions (1976)
    Springer
    Journal of statistical physics 14 (1976), S. 469-481 
    Details
    ISSN: 1572-9613
    Keywords: Chemical kinetics ; nonequilibrium statistical mechanics ; correlation functions ; Boltzmann equation ; Chapman-Enskog solutions ; inelastic relaxation ; projection operator
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The relaxation of an internal state distribution in the presence of an excess of an inert gas is considered. The explicit time dependence of the nonequilibrium contributions to the transition rate coefficients is approximated using the Kapral-Hudson-Ross method. The resulting solution contains cross-correlation terms which do not appear when a single reaction is considered. It is shown that the first term of a perturbation expansion of an exact formal solution gives the Kapral-Hudson-Ross solution for short times, and the Chapman-Enskog solution at long times if there is a wide separation in time scales. The Kapral-Hudson-Ross, Chapman-Enskog, and exact solutions are compared for a two-state, hard-sphere model system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012846
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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