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  • 1
    Digitale Medien
    Digitale Medien
    Burnout of Organic Components of Glass Ceramic Composite Tapes: Thermoanalytical investigations (1998)
    Springer
    Journal of thermal analysis and calorimetry 52 (1998), S. 211-219 
    Details
    ISSN: 1572-8943
    Schlagwort(e): burnout ; ceramics ; ceramic tapes ; degradation ; polymers ; TG-DTA
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract Glass ceramic composite tapes are composed of inorganic raw materials (borosilicate glasses and inert fillers) and organic additives (polymer binder, plasticizer, dispergent, residues of solvent from the tape casting process). Burnout of organics in air is a complex process of vaporization, depolymerization and oxidation. Conditions of this process can be simulated by thermal analysis of plasticizer, various binders and binder/plasticizer mixtures with alumina, prepared by impregnation of alumina powder with corresponding solutions and subsequent drying. This allows a quantitative interpretation of the results of burnout of tapes.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1010186912460
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    A polyclonal antibody (anticentrin) distinguishes between two types of fibrous flagellar roots in green algae (1988)
    Springer
    Protoplasma 144 (1988), S. 56-61 
    Details
    ISSN: 1615-6102
    Schlagwort(e): Immunocytochemistry ; Centrin ; Ca2-modulated contractile protein ; Flagellar apparatus ; Green algae ; Fibrous flagellar roots
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary The two main types of fibrous flagellar roots present in the flagellar apparatus of green algae (system I and system II fibers) are immunologically distinct as indicated by the localization of a Ca2+-modulated contractile protein (centrin) exclusively in one type (system II fibers) but not in the other type (system I fibers). A polyclonal antibody generated against the major protein of the striated flagellar roots (system II fibers) of the quadriflagellate green algaTetraselmis striata was used to localize centrin by immunofluorescence and pre- and postembedding immunogold electron microscopy in the flagellar apparatus ofSpermatozopsis similis, S. exsultans, Chlamydomonas reinhardtii, Dunaliella bioculata, Polytomella parva and gametes ofMonostroma grevillei andEnteromorpha sp. Whereas the antibody recognizes centrin in connecting fibers and system II fibers, no labeling occurs in system I fibers in all taxa investigated. This study presents the first evidence that system I fibers lack centrin and indicates that the two main types of fibrous flagellar roots in green algae are biochemically distinct.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01320280
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