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  • 2005-2009
  • 1990-1994  (2)
  • Flame retardancy  (1)
  • Protoplast fusion  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Fertile somatic hybrid between sexually incompatible Hyoscyamus muticus and Hyoscyamus albus (1994)
    Springer
    Plant cell reports 13 (1994), S. 537-540 
    Details
    ISSN: 1432-203X
    Keywords: Interspecific ; Somatic hybrid ; Protoplast fusion ; Hyoscyamus muticus ; Hyoscyamus albus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Somatic hybrid plants have been regenerated from fused protoplasts of a chlorophyll deficient mutant of H. muticus (2n=28) with wild type protoplasts of H. albus (2n=68). The inability of protoplasts of H. albus to regenerate was utilized in complementation with achlorophyllous, but regenerating, protoplasts of H. muticus for the selection of green somatic hybrid colonies and plants. The somatic hybrid plants showed intermediate morphological characters, and possessed 82–120 chromosomes, with a modal number of 96 which is also the amphidiploid complement of the two species. The isozyme patterns indicated the presence and expression of genes from both parents. The hybrid plants produced 33–78% viable pollen and set viable seeds upon selfing and backcrossing in a directional manner.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00232952
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Phosphorus containing polymers. Part 5. Polyazoxyphosphonate (1994)
    Springer
    Colloid & polymer science 272 (1994), S. 1203-1207 
    Details
    ISSN: 1435-1536
    Keywords: Polyazoxyphosphonate ; XPS-L01 ; 31P-NMR ; Flame retardancy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract A new polyazoxyphosphonate was synthesized by reaction of 4-4′-dihydroxyazoxybenzene and dichlorophenyl phospine oxide by interfacial polycondensation using a phase transfer catalyst. The polymer was characterized and the results obtained by various analytical techniques indicate that it is mostly amorphous, low molecular weight and soluble in organic solvents such as DMF, DMAC, NMP, etc. The high char residue (∼40%) and limiting oxygen index indicate flame retardancy of the polymer which is due to phosphorus. Thermal stability of this polymer is moderate. TheT g appears to be at 152°C.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00657771
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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