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  • Polymer and Materials Science  (2)
  • Castanea  (1)
  • Hives  (1)
  • 1
    Electronic Resource
    Electronic Resource
    The AHA syndrome: arthritis, hives and angioedema (1987)
    Springer
    Rheumatology international 7 (1987), S. 277-279 
    Details
    ISSN: 1437-160X
    Keywords: Arthritis ; Hives ; Angioedema ; Urticaria
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Nine patients who have intermittently exhibited the concurrent triad of arthritis or arthralgia (A), hives or urticaria (H) and angioedema (A), in the absence of associated infection or connective-tissue disease, are reported. The ratio of women to men is 4 : 1, with no apparent age specificity. The duration of the disease has been up to 16 years, with an average of seven acute episodes per year, lasting up to 14 days. Upper-airway angioedema has been severe in four patients. Routine laboratory studies were normal, as were studies of complement levels, and both humoral and cellular immunity. Two samples of synovial fluid from one patient contained a marked preponderance of Ia-positive macrophages. The absence of associated infection and connective-tissue disease suggests this recurrent triad represents a distinct entity, which is designated the AHA syndrome.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00270529
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Origin and relationships of New Zealand chestnut (Castanea sp.Fagaceae) selections reflect patterns of graft failure (1999)
    Springer
    Plant systematics and evolution 218 (1999), S. 193-204 
    Details
    ISSN: 1615-6110
    Keywords: Fagaceae ; Castanea ; Chestnut Selections ; New Zealand ; origin ; relationships ; graft failure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Graft failure that occurs in the clonal propagation of chestnuts is a practical problem which has arisen in recent years. Several hypotheses have been put forward to explain reasons for the failure but none have focused on origin and relationships of cultivars. This study was carried out to determine whether relationships of New Zealand chestnut selections and their origin reflect patterns of graft failure within the selections. Two different character data sets, random amplified polymorphic DNA (RAPD) and morpho-nut, were employed for the analyses of the relationships between the chestnut selections. Four different analyses were done to generate trees depicting the relationships of the selections. These were: morpho-nut character, RAPD character, taxonomic congruence (combination of morpho-nut and RAPD trees), and character congruence (combination of morpho-nut and RAPD data sets). When graft failure data were mapped onto the majority rule consensus tree constructed from character congruence analysis, it was found that self graft incompatibility was reflected in the origin and relationships of the chestnut selections. Information on the affinities of the chestnut selections to introduced chestnut species showed that the selections that were mostly implicated in graft failure which are from the North Island had affinities with theCastanea crenata species. But the selections (from the South Island) that were placed withCastanea sativa as well as hybrids (“1002” and “1007” from the North Island) ofCastanea mollissima andC. crenata had no failed grafts. This finding indicates that graft failure in New Zealand chestnut selections does not occur by chance but is dependent on the origin and/or evolutionary history of the selections.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01089227
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    D2-m-carborane siloxanes. V. Structure-property relationships (1977)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Physics Edition 15 (1977), S. 723-732 
    Details
    ISSN: 0098-1273
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: D2-m-decacarborane dimethylsiloxane has unusual thermal stability and resistance towards reversion, however, this material exhibits a crystalline phase, Tm at 68°C. To obtain an elastomeric material, this crystallinity is disrupted by replacing 30 to 50% of the m-carborane with p-carborane moieties or by the incorporation of phenyl moieties on the polymer backbone. The latter approach is preferred since improved thermo-oxidative stability accompanies this modification. Correlation of the glass transition temperature and thermo-oxidative stability with the polymer structure are presented.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1977.180150412
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    D2-meta-carborane-siloxanes. IV. Synthesis of linear, high molecular weight polymers (1977)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Chemistry Edition 15 (1977), S. 2229-2238 
    Details
    ISSN: 0360-6376
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A new facile route to linear, high molecular weight D2-meta-decacarborane-siloxanes was developed based on the condensation reaction between bisureidosilanes and carborane disilanol. By using NMR to monitor the reaction stoichiometry, polymers with molecular weight ≥250,000 have been prepared. Moreover, because of the mild reaction conditions, structural modifications of the polymer backbone have been readily achieved. These linear, high molecular weight polymers overcome the fabrication difficulties encountered in previously prepared D2-polymers.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1977.170150914
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    Paper (German National Licenses)
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