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  • Electronic Resource  (3)
  • 1975-1979  (2)
  • 1965-1969  (1)
  • 1950-1954
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  • Electronic Resource  (3)
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  • 1
    ISSN: 1432-0584
    Keywords: an auto-anti-B in a regular A1B blood group ; no hemolytic disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Das Serum eines Patienten (Mr. Lat) mit der normalen Blutgruppe A1B enthält Anti-B, das mit allen Zellen reagiert, die ein B-Antigen aufweisen, ausgenommen Bx und cis AB. Das Anti-B reagiert bei 4° C und gelegentlich bei Zimmertemperatur, was durch Agglutination, Absorption-Elution und durch thermodynamische Unter-suchungen gezeigt wurde. Der Antikörper wird als irregulärer Autoantikörper angesehen, der zur Gruppe der „supprimierten“ oder „latenten“ Antikörper gehört.
    Notes: Summary The serum of a patient (Mr. Lat) with the regular blood group A1B contains an anti-B reacting with all cells having a B antigen except bx and cis AB. The anti-B reacts at 4° C and occasionally at room temperature as shown by agglutination, absorption-elution and by thermo-dynamic assays. The antibody is regarded as an irregular autoantibody belonging to the group of the so called “suppressed” or “latent” antibodies.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1912
    Keywords: Clemizole ; Arrhythmia ; Antihistaminics ; Cell Membrane
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The antihistaminic clemizole was studied as an antiarrhythmic in a preparation in which two arrhythmias of different nature and mechanism were produced in the right atrium of anesthetized dogs. One of the arrhythmias was a circus movement flutter induced by the method of Rosenblueth and García Ramos; the other, an ectopic focus induced by local application of aconitine in the auricular appendage, electrically isolated from the rest of the atrium. Clemizole selectively converted the flutter to sinus rhythm with little action on the coexistent aconitine dysrhythmia. It did not modify arterial pressure. In effective doses the wave length of the impulse was increased by prolongation of the refractory period without significant reduction in conduction velocity. Similarly, in subendocardial cells of isolated rat atria, clemizole in appropriate concentrations retards repolarization with little effect on the rate of depolarization. These results afford pharmacological evidence for the existence of atrial circus movement arrhythmias which can respond to prolongation of the refractory period unaccompanied by effects on other properties of the tissue. Other arrhythmias, self-sustained by the discharge of an ectopic focus, such as the tachysystole produced by aconitine, are not suppressed by similar increase in the refractory period.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1573-6776
    Source: Springer Online Journal Archives 1860-2000
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary Polyene-resistant mutants ofPenicillium chrysogenum Wis. 54–1255 have been obtained by stepwise selection in increasing concentrations of polyene antibiotics. From the parent strain, sensitive to 10 μg/ml of polyene antibiotics, mutants resistant to fungimycin (1.3 mg/ml), amphotericin B (0. 5 mg/ml), or nystatin (167 μg//ml) were obtained. Their penicillin production is different from that of the parent strain and in particular some of the fungimycin-resistant mutants produce higher levels of penicillin.
    Type of Medium: Electronic Resource
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