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  • 1975-1979  (2)
  • 1979  (2)
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  • 1975-1979  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Archives of microbiology 122 (1979), S. 201-205 
    ISSN: 1432-072X
    Keywords: Amino acid transport ; Yeast genetics ; Multiple drug resistance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In order to obtain strains of Saccharomycopsis lipolytica impaired in the active transport of l-lysine, mutants resistant to a mixture of l-canavanine, l-4-5-transdehydrolysine and l-S-amino ethylcysteine, taken either all three or two by two, were isolated. These compounds were shown previously to be competitive inhibitors of l-lysine uptake. The resistance patterns and excretion capacity of the mutants were established. All mutants behaved as monogenic. Recombination tests indicated that four genes at least were involved. All mutants were impaired in both high and low affinity l-lysine transport systems. Several hypotheses on the functions of these genes are put forward and discussed.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of thermal analysis and calorimetry 15 (1979), S. 379-387 
    ISSN: 1572-8943
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Résumé La déshydratation du gypse (réaction du typeS→ S′+G oùS′ est un solide non stoechiométrique) est étudiée à l'aide d'un réacteur en lit fluidisé. La forme particuliè re de la courbe isotherme qui traduit, pour le système binaire CaSO4- H2Og, la présence d'un équilibre divariant, permet d'interpréter l'influence de la masse initiale du produit dans le réacteur, du débit de fluidisation et de la température sur cette réaction.
    Abstract: Zusammenfassung Die Dehydratisierung von Gips (eine Reaktion des TypsS→ S′+G, wobeiS′ ein nichtstöchiometrischer Festkörper ist) wurde mit Hilfe eines Fluidbettreaktors untersucht. Die eigenartige Form der Isotherme, welche für das Binärsystem CaSO4- H2Og ein divariantes Gleichgewicht andeutet, gestattet die Deutung des Einflusses der anfänglichen Masse des Produktes im Reaktor, der Leistung der Fiuidisation sowie der Temperatur auf diese Reaktion.
    Notes: Abstract Dehydration of gypsum (which is anS→ S′+G type reaction whereS′ is a nonstoichiometric solid) was investigated by means of a reactor in a fluidized bed. The special shape of the isothermal curves shows that a divariant equilibrium is present in the case of the CaSO4-H2Og system. One can interpret the influence of the amount of starting material in the reactor, and the effects of fluidization and temperature for this type of reaction.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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