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  • Blackwell Publishing Ltd  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Cd uptake by intact wheat plants (1978)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 1 (1978), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract. An investigation of the uptake of Cd by intact wheat plants has been carried out. The accumulation of Cd in the roots as a function of time and external Cd concentration was determined. Since the transport of Cd to the grains and shoots was found to be small, only uptake into the root was examined further. An appreciable fraction of the Cd absorbed by the roots can be desorbed and consequently constitutes the freely diffusible and exchangeable fraction.The effect of temperature and of metabolic inhibitors on the absorption provides evidence that another Cd fraction is taken up by metabolically mediated processes. The absorption of this Cd fraction was found to be inhibited by Cu and Zn. The inhibitory effect of Cu and Zn on Cd absorption was comparable.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3040.1978.tb02042.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Kinetics of uptake and release of Cd by potato tissue (1979)
    Oxford, UK : Blackwell Publishing Ltd
    Plant, cell & environment 2 (1979), S. 0 
    Details
    ISSN: 1365-3040
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract. The absorption of Cd by potato tissue was studied. No enhancement of the absorption capacity for Cd was observed by storage of the sliced potato tissue in aerated doubly distilled water for a period of 48 h. Cd absorption as a function of the external Cd concentration followed a typical hyperbolic isotherm. A two-phase uptake process for the absorption of Cd was found: a rapid initial phase terminating after 30 min, was followed by a slower phase with a constant rate. Efflux, studied by means of compartmental analysis, of Cd showed three phases. The two first were shown to be extracellular in origin. The third phase, involving Cd remaining in the discs after efflux, probably involved Cd in different forms. Metabolic processes, however, did not seem to contribute to this phase.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3040.1979.tb00083.x
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    Paper (German National Licenses)
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