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  • Biochemistry and Biotechnology  (1)
  • Inorganic Chemistry  (1)
  • 550 - Earth sciences
  • 2020-2023
  • 2005-2009
  • 1975-1979  (2)
  • 1970-1974
  • 1940-1944
  • 1976  (2)
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Keywords
  • Biochemistry and Biotechnology  (1)
  • Inorganic Chemistry  (1)
  • 550 - Earth sciences
  • Chemistry  (2)
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Years
  • 2020-2023
  • 2005-2009
  • 1975-1979  (2)
  • 1970-1974
  • 1940-1944
Year
  • 1
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 18 (1976), S. 1497-1506 
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A chemostat in which mammalian cells can be raised in continuous suspension culture is described. It is constructed from commercially available parts. This apparatus has the advantage over earlier models in that the medium can be pumped off free of cells, thus suddenly increasing the cell concentration in the culture. The apparatus has been successfully used in studies on contact inhibition.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Surface Compounds of Transition Metals. XIV. Coordinatively Unsaturated Surface Compounds of Vanadium(III) on SilicagelVanadium(V) reacts with silicagel (aqueous impregnation, activation in O2 at 800°C) to a colourless highly dispersed surface compound, which can be reduced by CO to coordinatively unsaturated violet surface vanadium(III). Reoxydation with O2 forms a deep-blue surface peroxide under chemiluminescence; heat treatment at 300°C reconstitutes the original vanadium(V) surface compound with simultaneous loss of 1/2 O2.
    Notes: Vanadium(V) bildet bei wäßriger Dotierung und nachfolgender Aktivierung (O2, 800°C) auf Silicagel farblose, hochdisperse Oberflächenverbindungen, die sich mit CO zu koordinativ ungesättigtem, violettem Oberflächen-Vanadium(III) reduzieren lassen. Reoxydation mit O2 führt unter Chemilumineszenz zunächst zu einem tiefblauen Oberflächen-Peroxid , das beim Erwärmen auf 300°C unter Abgabe von 1/2 O2 vollständig in das ursprüngliche Vanadium(V) übergeht.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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