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  • 27.50  (1)
  • Bone cells  (1)
  • Springer  (2)
  • American Institute of Physics
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  • Springer  (2)
  • American Institute of Physics
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    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 347 (1993), S. 15-20 
    ISSN: 1434-601X
    Keywords: 21.10 ; 27.50
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A microscopic description of negative parity states in the nucleus68Ge is presented. The investigation is based on the EXCITED VAMPIR model in which via a chain of variational calculations first an optimal configuration space ofi symmetry-projected Hartree-Fock-Bogoliubov determinants for thei lowest states of a given symmetry is constructed and subsequently the residual interaction is diagonalised. Though some considerable quantitative discrepancies are obtained, qualitatively the theoretical results agree rather nicely with the complex pattern of negative parity states in this nucleus which has been recently found experimentally. Underlying structures and electromagnetic properties are discussed.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0827
    Keywords: Bone cells ; Cyclic AMP ; Calcium ; Ascites fluid resorptive protein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Notes: Summary The effects of a bone resorptive protein isolated from human cancer ascites fluid on bone cell calcium and cyclic AMP were studied with fetal rat cells. The osteoclast-activating factor increased bone cell calcium uptake at 37°C and 4°C with no direct effects on calcium efflux. Concentrations of the resorptive factor that increased in vitro bone resorption and cell calcium uptake had no effect on cyclic AMP. The effects of the protein on calcium uptake were not specific for bone cells, and large increases were also observed in isolated fetal rat skin cells. These studies suggest that increases in the permeability of the cell membrane to calcium are involved in the mechanism of action of the ascites fluid resorptive protein.
    Type of Medium: Electronic Resource
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