The effects of non-thermal intensity of microwave (NT MW)-
treated physiological solutions (PS) on muscle contractility, 45Ca uptake by
muscle and muscle hydration of snail isolated heart in normal and K+-free PS
were studied. The intra-cordial perfusion by NT MW-treated PS led to inhibition
of heart beating with gradual decrease of the amplitudes of muscle contraction,
the weakness of the Na+/K+ pump-induced transient inhibition of heart
beating (TIHB), the inhibition of 45Ca2+ uptake by muscle, the increase of intracellular
cGMP contents and muscle dehydration. The obtained data serve as
additional evidence for hypothesis that cell bathing aqua solution is a primary
target for non-thermal effect of MW on cells and organisms.
Keywords: Non-thermal, MW, Heart muscle, Intracellular Ca2+, cGMP, Muscle hydration.
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