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  • Control  (1)
  • Cytochemical demonstration  (1)
  • 2005-2009
  • 1990-1994  (1)
  • 1975-1979  (1)
  • 1935-1939
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  • 2005-2009
  • 1990-1994  (1)
  • 1975-1979  (1)
  • 1935-1939
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Protoplasma 100 (1979), S. 33-43 
    ISSN: 1615-6102
    Keywords: Amoeba proteus ; Ca++-binding sites ; Cytochemical demonstration ; Induced pinocytosis ; Plasma membrane
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Different methods were used to demonstrate the existence of Ca++-binding sites (Ca++-bs) at the plasma membrane ofAmoeba proteus. In pinocytoting animals the number (indicated by the average distanced in nm) and size (average longitudinal axiss in nm) of Ca++-bs at the cytoplasmic surface of the cell membrane were significantly increased (d=162±15;n=41 ands=93±5;n=47) in comparison to controls (d=208 ±21;n=37 ands=59±8;n=45). The ratio of P: Ca obtained by X-ray microanalysis was in the range of 1.5. The differences observed in the two experimental groups of amoebae are explained by conformational changes in the molecular structure and an increased Ca++-permeability of the plasma membrane during induced pinocytosis. Microplasmodia of the acellular slime moldPhysarum polycephalum investigated for comparison were found to have no Ca++-bs at the interior cell surface.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Computer supported cooperative work 2 (1994), S. 89-108 
    ISSN: 1573-7551
    Keywords: TQM ; Communication ; Social Contract ; Empowerment ; Control ; Teams
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract Networks can be understood as organizational control strategies. As an example, we present two case studies of team-based networking strategies associated with the Total Quality Management movement in the United States. TQM's implied social contract requires some form of power sharing. In practice TQM team organization can also become another form of labor intensification. Similarly, TQM appeals to democratic values by emphasizing participation, communication, cooperation and team work. Such claims can also serve to legitimize major organizational changes, some of which follow familiar Taylorist patterns. Two cases illustrate how the technical components of communications systems help redefine control systems in TQM-based work rerganization experiments. In the manufacturing setting, communications took the form of web-and-hub networks, centralizing off-site engineering control of production workers. In the design and engineering workplace, peer-to-peer communications implemented by self-managed teams reduced intellectual ‘slack time’. In both cases the communications systems provided means to intensify labor.
    Type of Medium: Electronic Resource
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