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  • Articles: DFG German National Licenses  (3)
  • Chemistry  (2)
  • TP  (1)
  • 1
    Electronic Resource
    Electronic Resource
    ADP-ribosylation of a specific protein from isolated intact bull testis nuclei
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Protein Structure and Molecular 954 (1988), S. 58-64 
    Details
    ISSN: 0167-4838
    Keywords: (Bull) ; ADP ribosylation ; PMSF ; Spermatogenesis ; TP ; Testis specific protein ; phenylmethanesulphonyl fluoride ; testis protein
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0167-4838(88)90055-6
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Head-to-head polymers 27: Thermal degradation of head-to-head polyisobutylene (1983)
    Stamford, Conn. [u.a.] : Wiley-Blackwell
    Polymer Engineering and Science 23 (1983), S. 226-229 
    Details
    ISSN: 0032-3888
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Head-to-head polyisobutylene degrades at a maximum rate at 320°C, a temperature about 65°C lower than head-to-tail polyisobutylene. Under our conditions, head-to-tail (the regular polyisobutylene) degrades (as do many other disubstituted vinyl monomers) to a high yield of the monomer isobutylene. Surprisingly, head-to-head polyisobutylene also degraded, primarily to isobutylene. Liquid, low-molecular compounds, probably dimers, were also obtained from head-to-tail and head-to-head polyisobutylene. A mechanism of this degradation is proposed.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pen.760230412
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Head to head polymers. XXIX. A new synthetic route to poly(1,1-dimethylpropane)Part XXVIII: M. Malanga and O. Vogl: J. Macromol. Sci. - Chem:, in press (1984)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 35 (1984), S. 446-451 
    Details
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Poly(1,1-dimethylpropan) wurde mittels der Wurtzschen Reaktion synthetisiert. Das erhaltene Polymer hat nur mäßige relative Molekülmasse, ist zu etwa 50% kristallin und hat eine Schmelztemperatur von 87°C sowie eine Glasübergangstemperatur von -17°C. Das Polymer ist im wesentlichen das gleiche Material, das durch kationische Hydrid-transfer-Polymerisation von 3-Methyl-buten-1 bei niedrigen Temperaturen oder durch kationische Ringöffnungs-polymerisation von 1,1-Dimethylcyclopropan erhalten wird. Poly(1,1-dimethylpropan) wurde nach der Wurtzschen Synthese nur in niedriger Ausbeute erhalten; ein wesentlicher Teil des Reaktionsproduktes war 1,1-Dimethylcyclopropan.
    Notes: Poly(1,1-dimethylpropane) was synthesized by Wurtz coupling polymerization. The polymer was of moderate molecular weight, about 50% crystalline, had a melting temperature of 87°C and a glass transition temperature of -17°C. The polymer was essentially the same material as that obtained by cationic hydride transfer polymerization of 3-methylbutene-1 at very low temperatures, or by cationic ring opening polymerization of 1,1-dimethylcyclopropane. Poly(1,1-dimethylpropane) obtained by the Wurtz reaction was obtained in only low yield; a substantial part of the total reaction product was 1,1-dimethylcyclopropane.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1984.010350603
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    Paper (German National Licenses)
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