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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 53 (1975), S. 385-389 
    ISSN: 1432-1440
    Keywords: Coronary heart disease ; myocardial infarction ; risk factors ; erythrocyte aggregation ; cell volume distribution ; Koronare Herzkrankheit ; Herzinfarkt ; Risikofaktoren ; Erythrocytenaggregation ; Erythrocytenvolumenverteilung
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung 1. Die in-vitro-Messung der Erythrocytenaggregation wurde so verbessert, daß der Variationskoeffizient auf ±14,2% herabgedrückt wurde. 2. Mit der verbesserten Methode konnten die früheren Befunde statistisch hochsignifikant gesichert werden, daß sonst gesunde starke Raucher einen wesentlichen höheren Erythrocytenaggregationswert aufweisen als Nichtraucher. 3. Es wurde auch bei anderen Risikofaktoren koronarer Herzerkrankungen nachgewiesen, daß sie zu einer Erhöhung des Aggregationswerts der Erythrocyten führen. Insbesondere konnte dies bei Hypercholesterinämie nachgewiesen werden. 4. Mehrere Risikofaktoren beim gleichen Patienten bewirken einen überadditiv hohen Aggregationswert der Erythrocyten.
    Notes: Summary 1. The vitro test for red blood cell aggregation has been improved, the coefficient of variation was decreased to 14.2. 2. By the improved method the earlier findings were confirmed with high statistical significance that heavy smokers have a significantly higher red blood cell aggregation value in comparison with nonsmokers. 3. It could be shown that other coronary risk factors, especially hypercholesterolaemia, increase the aggregation value too. 4. The aggregation of red blood cells increases in the presence of several coronary risk factors in the same patient to higher values than expected from the addition of the aggregations caused by single risk factors.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1017
    Keywords: Electric field ; Magnetic field ; Suspended particle ; Magnetic sensitivity ; Organism
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Physics
    Notes: Abstract We observed that particles, suspended in an electrolyte and brought into crossed magnetic and electric fields of low intensities, will deviate in the central part of the electrophoresis chamber of a standard Zeiss Cytopherometer with a component vertical to both fields. The direction and magnitude, however, were sharply at variance with what would be expected by the action of the Lorentz force (EMF) on the surface of the particles. The magnitude of the deviation depends upon the magnetic and electric field strength, the ion concentration of the suspension medium and the geometry of the chamber. The movement of the particles is due to streaming of the electrolyte which is mainly caused by inhomogeneities of the electric field in the electrophoresis chamber. The magnitude of the effect is high enough to occur under physiological conditions. Magneto-electrophoretic streaming might eventually act as a transducer mechanism which could explain the ability of some animals to orientate themselves in the geomagnetic field.
    Type of Medium: Electronic Resource
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