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  • Hierarchical classification  (2)
  • Analytical Chemistry and Spectroscopy  (1)
Materialart
Erscheinungszeitraum
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  • 1
    ISSN: 0269-3879
    Schlagwort(e): Chemistry ; Analytical Chemistry and Spectroscopy
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Medizin
    Notizen: High performance gel filtration on monodisperse cross-linked agarose (Superose 6) has been assessed as a system for purification of mucus glycoproteins. Comparison with the conventional two-step purification of mucus glycoprotein by Sepharose CL4B gel filtration followed by caesium chloride density gradient centrifugation shows that purification by high performance gel filtration is at least as thorough, yielding mucin that is free from non-mucin glycoproteins as defined by buoyant density, mobility on sodium dodecyl sulphate-polyacrylamide gel electrophoresis and absence of Concanavalin A binding (mannose-containing) material. This technique allows mucus glycoprotein to be purified from lyophilized crude mucin in 120 min compared with approximately 72 h using the conventional techniques. This makes the comparative study of mucus glycoprotein changes in disease states much more feasible.
    Zusätzliches Material: 8 Ill.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Plant ecology 34 (1977), S. 41-53 
    ISSN: 1573-5052
    Schlagwort(e): Dynamics ; Forest ; Fynbos ; Hierarchical classification ; Management ; Phytosociology
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Springer
    Plant ecology 34 (1977), S. 105-115 
    ISSN: 1573-5052
    Schlagwort(e): Forest distribution ; Hierarchical classification ; History ; Phytogeographic relationships ; Phytosociology ; Table Mountain
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary The forest communities of Table Mountain have been classified using the Braun-Blanquet technique together with numerical analysis. Three major communities, termed associations, have been recognised. Some of these associations have been subdivided. Each community has been described in terms of floristic, structural and environmental factors. The dominant factors affecting the distribution of forest communities appear to be moisture conditions, soil rockiness and soil depth. Information from other South-Western Cape forest areas is discussed. The forests from Table Mountain are similar to these. However, two forest communities are not found on the Cape Peninsula and extensive areas of Cassine dominated forest on deep soils referred to as the Scolopia mundii — Cassine capensis varlant do not appear to be foun outside Orange Kloof.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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