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  • 1
    ISSN: 1436-6215
    Keywords: Pollenallergene ; Lebensmittelallergence ; exotische Früchte ; Kreuzreaktivität ; IgE-Immunoblotting ; Food allergens ; pollen allergens ; cross-reactivity ; exotic fruit ; IgE-immunoblotting
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Medicine
    Description / Table of Contents: Zusammenfassung Viele Studien belegen, daß das Phänomen der birkenpollenassoziierten Nahrungsmittelallergie auf spezifische IgE-Antikörper zurückzuführen ist, die primär gegen Birkenpollenallergene gerichtet sind und mit verwandten Proteinen in Obst, Nüssen und Gemüse kreuzreagieren. Wir haben ein neues Muster der Kreuzreaktivität identifiziert, das auf einem 35 kDa - Protein aus Birkenpollen beruht. Es handelt sich um ein Minorallergen der Birke, gegen das ca. 10–15 % der Birkenpollenallergiker spezifische IgE-Antikörper aufweisen. Inhibitionsstudien mit dem Enzymallergosorbens-Test (EAST) und mittels Immunoblot zeigen die Kreuzreaktivität dieses Proteins zu Proteinen vergleichbarer Größe aus Litschi, Mango, Banane, Orange, Apfel, Birne und Karotte. Das 35 kDa-Protein ist immunologisch unabhängig von Bet v 1, dem Hauptallergen der Birke. Dagegen haben wir auch ein Protein mit einer Größe von 34 kDa beobachtet, bei dem es sich vermutlich um ein Bet v 1-Dimer handelt.
    Notes: Summary Food allergies in birch pollen allergic patients have been shown to be due to cross-reactivities of specific IgE antibodies which are directed against birch pollen allergens with related proteins in fruit, nuts and vegetables. We identified a new cross-reactive structure of 35 kDa in birch pollen and some plant food extracts by Enzyme Allergosorbent Test (EAST) and immunoblot inhibition studies. The 35 kDa birch pollen protein is a minor allergen to which approximately 10–15 % of birch pollen allergic individuals have specific IgE. Our data demonstrate that there is cross-reactivity of this protein with proteins of comparable size from lychee, mango, banana, orange, apple, pear and carrot. While the 35 kDa protein is immunologically independent of the major birch pollen allergen Bet v 1, we also observed IgE binding to a 34 kDa structure which appears to be a Bet v 1 dimer.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 12 (1966), S. 221-232 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Turbulent and transitional flow heat transfer correlations for non-Newtonian fluids are presented. By means of an extension of the Reichardt-Metzner-Friend correlation to nonisothermal flow, and a new definition of Prandtl number to account for deviations from Newtonian behavior, turbulent flow data are correlated to a standard deviation of 14.8%. By means of a normalizing procedure, data for the complex case of transitional flow heat transfer to non-Newtonian fluids are correlated to a standard deviation of 17.7%. At the transition region boundaries, the correlation is consistent with laminar and turbulent flow correlations. A basic similarity in the Newtonian and non-Newtonian heat transfer mechanisms is suggested.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 609 (1992), S. 51-54 
    ISSN: 0044-2313
    Keywords: Titanium ; chromium ; niobium ; tantalum ; oxide ; structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: A Contribution on Ternary Oxides of the AMO4-Type (A = Ti3+, Cr3+; M = Nb5+, Ta5+)CrNbO4, CrTaO4, TiNbO4, and TiTaO4 were prepared by CO2-laser technique. X-ray single crystal investigations show a random distribution of the metal ions in Rutil type structure, space group D4h14-P42/mnm. Calculations of the free energy of reaction between Ti2O3 and Nb2O5 show higher stability of TiO2 beside NbO2. In TiNbO4 both metals exhibit the oxidation state +4.
    Notes: CrNbO4, CrTaO4 TiNbO4 und TiTaO4 wurden einkristallin mit CO2-Lasertechnik dargestellt und röntgenographisch untersucht. Sie kristallisieren mit statistischer Verteilung der Metallionen im Rutiltyp, Raumgruppe D4h14-P42/mnm. Berechnungen der freien Reaktionsenthalpie zeigen, daß Ti2O3 nicht neben Nb2O5vorliegt. In TiNbO4 haben beide Metallionen die Oxidationsstufe +4.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
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