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  • Al-Zn-Sn ternary system  (1)
  • Dibutyryl cyclic AMP  (1)
  • Heterotopic  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Bone formation following carpal interposition arthroplasty (1990)
    Springer
    Skeletal radiology 19 (1990), S. 31-32 
    Details
    ISSN: 1432-2161
    Keywords: Arthroplasty ; Carpal ; Heterotopic
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Two cases of bone formation occuring at the site of carpal excision and soft tissue interposition are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00197925
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    On the secretagogue effect of dibutyryl cyclic AMP in the rat exocrine pancreas (1977)
    Springer
    Pflügers Archiv 372 (1977), S. 69-76 
    Details
    ISSN: 1432-2013
    Keywords: Dibutyryl cyclic AMP ; Pancreas ; Rat ; Secretion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary DbcAMP≥0.1 mM induces the discharge of exportable enzymes from rat pancreas fragments incubated in vitro. This effect is qualitatively similar to the action of physiological secretagogues acting via hormone receptors: 1) it is accompanied by the appearance of exocytotic images at the acinar cell apex; 2) it is energy dependent but energy supply is low while that required for the carbamylcholine or caerulein response is high and can only be afforded by oxidative phosphorylation; 3) it is calcium dependent, but no alteration of inward or outward calcium movement can be observed; 4) it is altered by agents known to disrupt the microfilamentous microtubular system [41]. However, the secretory response to DbcAMP is quantitatively less than that obtained with hormonal stimuli. A damaging effect of DbcAMP on pancreatic acinar cells is ruled out on histological and biochemical grounds: there is no significant leakage of LDH; protein synthesis, 2-deoxy-d-glucose andl-leucine uptake are unaltered. The secretagogue effect of DbcAMP is reversible, dose-related and specific. It is not mediated by neuro-transmitter release or by interaction with their receptors. The evidence presented points to a direct interaction of DbcAMP on the pancreatic acinar cell and suggests the last step of the secretory cycle as the most probable site of action of the nucleotide derivative.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00582208
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Al-Zn-Sn Phase Diagram Calorimetric Study of the Isobaric Invariants (1999)
    Springer
    Journal of thermal analysis and calorimetry 55 (1999), S. 271-282 
    Details
    ISSN: 1572-8943
    Keywords: Al-Zn-Sn ternary system ; calorimetric measurements ; crystallization ; invariant reaction ; mixing enthalpies ; phase diagram ; Tammann method
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract A systematic study of Al-Zn-Sn ternary alloys by using a Tian-Calvet calorimeter with slow heating and cooling rate was carried out and supplemented by scanning electron microscopic observations. The results have shown that crystallization coupled with dissolution of tin into the αss′ ternary solid solution on heating is an endothermic process, while melting coupled with tin expulsion on cooling is an exothermic one. It seems that the thermal effects of phase transition are outweighed by much stronger ones due to a large composition change of the αss′ ternary phase.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1010125314967
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    Paper (German National Licenses)
    Fulltext
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