Dr. B. Pytkowski

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Ca2+ shifts in isolated, perfused ventricular muscle of guinea-pig hearts were investigated with the aid of45Ca under the conditions of complete equilibration of preparations with isotopecontaining solutions. The content of45Ca in stimulated preparations (rate 60/min) was 1.30 ±0.12 mmol/kg of wet weight (w.w.). 6 min rest resulted in the drop of this(More)
Ca2+ shifts in the isolated, perfused ventricular muscle of rabbit hearts were investigated with the aid of45Ca under the conditions of complete equilibration of preparations with45Ca containing solution. The “cellular”45Ca content was calculated by subtraction of45Ca2+ dissolved in the free water of extracellular space from the total tissue45Ca2+ content.(More)
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