It is shown that the combined effect of a static magnetic field (42 mT) and low-frequency collinear very weak alternating magnetic field with low frequency (1 Hz, 600 nT; 4.4 Hz, 100 nT; 16.5 Hz, 160 nT) on heparinized and diluted blood at physiological temperatures, resulted in a sharp increase in its chemiluminescence after addition of luminol. No additional use of chemical respiratory explosion activators is required for manifestation of this effect. In contrast, preliminary hourly exposure of a neutrophil suspension in weak magnetic fields significantly increases the chemiluminescence of these cells only in response to addition of small concentrations of the respiratory burst activator - the formylated peptide N-formyl-Met-Leu-Phe in presence of luminol. The response of the neutrophils on addition of luminol without activators of respiratory explosion is poorly expressed.
magnetic field, blood, neutrophils, reactive oxygen species, chemiluminescence
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