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  • Human urine  (1)
  • Immunocytochemistry  (1)
  • burnout  (1)
  • 1
    Electronic Resource
    Electronic Resource
    The in-vivo effect of sodium-potassium citrate on the crystal growth rate of calcium oxalate and other parameters in human urine (1990)
    Springer
    Urological research 18 (1990), S. 1-6 
    Details
    ISSN: 1434-0879
    Keywords: Alkali citrate ; Calcium oxalate ; Crystal growth ; Human urine ; Prophylactic treatment ; Urolithiasis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In this study, an efficient microtechnique (gel crystallization method) was used to investigate the in-vivo effect of sodium-potassium citrate on the crystal growth rate of calcium oxalate (Vcr) in human urine samples of 6 healthy volunteers. With a daily dose of 3x11 mmol of alkali citrate, Vcr decreased by 70%. This could have been due to the decrease of calcium excretion, which caused 50–60% of the total change, and to the increase of citrate and pH, each contributing about 20–25% to the decline of Vcr. The findings explain the clinical advantages of alkali citrates in the prevention of recurrent calcium oxalate stone formation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00294572
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    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
    Keywords: burnout ; ceramics ; ceramic tapes ; degradation ; polymers ; TG-DTA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: 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.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1010186912460
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    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
    Keywords: Immunocytochemistry ; Centrin ; Ca2-modulated contractile protein ; Flagellar apparatus ; Green algae ; Fibrous flagellar roots
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: 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.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01320280
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    Paper (German National Licenses)
    Fulltext
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