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  • Artikel: DFG Deutsche Nationallizenzen  (2)
  • 2000-2004  (2)
  • 1960-1964
  • 1955-1959
  • Key words Cell motility  (1)
  • Key words Isotactic polyacrylonitrile  (1)
Datenquelle
  • Artikel: DFG Deutsche Nationallizenzen  (2)
Materialart
Erscheinungszeitraum
  • 2000-2004  (2)
  • 1960-1964
  • 1955-1959
Jahr
  • 1
    ISSN: 1435-1536
    Schlagwort(e): Key words Isotactic polyacrylonitrile ; High-temperature dissolution ; Dinitrile solvents ; Segment mobility
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Maschinenbau
    Notizen: Abstract The dependence of the dissolution temperature (T sol) of isotactic polyacrylonitrile (PAN) on tacticity was studied for three dinitrile solvents. A linear relationship was obtained in the inverse plots of the tacticity dependence of the T sol of PAN. A phenomenological analogy between the tacticity dependence of the T sol of isotactic PAN and the molecular-weight dependence of the glass-transition temperature of amorphous polystyrene is discussed from a thermodynamic point of view. The linear relationships in both phenomena are explained in terms of a common mechanism: a breakdown of thermodynamic competition, enthalpy, and entropy through the segment mobility. The significance of segment concept and molecular mobility at elevated temperatures are discussed.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    ISSN: 1435-232X
    Schlagwort(e): Key words Cell motility ; Binder of Rho GTPase ; CDC42 TC10 ; Borg4 ; Full-length cDNA ; Fluorescence in situ hybridization
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract The Borg (binder of Rho GTPases) family proteins interact with CDC42 and TC10 in a guanosine triphosphate (GTP)-dependent manner. We have isolated a full-length cDNA of the mouse Borg4 gene, which is a member of this family. Sequence analysis revealed that this gene encoded a putative 349-amino acid protein. By reverse transcription — coupled polymerase chain reaction (RT-PCR) analysis, we observed that Borg4 was expressed ubiquitously in adult tissues. Additionally, we determined the entire cDNA sequence of the putative human Borg4 orthologue. By fluorescence in situ hybridization, mouse Borg4 and the putative human orthologue have been assigned to mouse chromosome 11E and human chromosome 17q24–25, which has been described as syntenic to the mouse region.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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