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  • 1
    Electronic Resource
    Electronic Resource
    No evidence for preservation of somatostatin-containing neurons after intrastriatal injections of quinolinic acid (1987)
    [s.l.] : Nature Publishing Group
    Nature 327 (1987), S. 329-329 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Davies and Roberts do not take issue with our neurochemical data. We have replicated these results in numerous subsequent experiments and they have been replicated by others (Nemeroff, Kitt, Dissette and Schwarcz, personal communication). Davies and Roberts explain these results by asserting that ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/327329a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Endocytosis and inositol hexakisphosphate levels inras transformants ofDictyostelium discoideum amoebae (1989)
    Springer
    Cellular and molecular life sciences 45 (1989), S. 365-367 
    Details
    ISSN: 1420-9071
    Keywords: Fluid-phase pinocytosis ; enzyme secretion ; inositol hexakisphosphate ; ras genes ; Dictyostelium discoideum ; amoebae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Fluid-phase pinocytosis kinetics and lysosomal enzyme secretion parameters were measured inDictyostelium discoideum amoebae constructed from strain AX3 by transformation with a multicopy plasmid carrying either a normalras gene (ras-Gly12), a mutatedras gene (ras-Thr12) or by the vector carrying the geneticin resistance gene only (pDNEO2). It was found that the pinocytosis rate and extent as well as the lysosomal enzyme secretion were slightly different in the three strains. These changes, however, were related to minor modifications of the cellular volumes. The overall concentration of inositol hexakisphosphate was similar in the three strains.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01957480
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  • 3
    Electronic Resource
    Electronic Resource
    A numerical study of holonomic approximations to problems in plasticity (1988)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 26 (1988), S. 1449-1466 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: The incremental holonomic boundary-value problem in elastoplasticity has been shown to be characterized by a variational inequality. The problem may be approximated, however, by a perturbed minimization problem, characterized by a variational equality. This formulation is used as the basis for constructing finite element approximations of the original boundary-value problem, leading to a system of non-linear algebraic equations. Procedures for solving these equations are described and numerical results are presented and compared with those obtained using a conventional approach.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620260614
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  • 4
    Electronic Resource
    Electronic Resource
    Parameter identification in a damage model for rock mechanics (1988)
    New York, NY [u.a.] : Wiley-Blackwell
    International Journal for Numerical and Analytical Methods in Geomechanics 12 (1988), S. 79-97 
    Details
    ISSN: 0363-9061
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Architecture, Civil Engineering, Surveying , Geosciences
    Notes: Attention is focused on the mechanical behaviour of rock-like materials. Developments and applications of a constitutive model based on damage theory are presented. The internal damage model is calibrated for a hard brittle rock, Bushveld Norite, and through this process the identification of the material parameters is carried out. Emphasis is placed on the identification of the material parameters in the damage evolution law. The uniqueness of solutions in the softening regime is investigated through finite element mesh sensitivity studies of non-uniform deformation triaxial compression tests.
    Additional Material: 17 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nag.1610120106
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    Paper (German National Licenses)
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