To study the effect of chitosan on delayed outward potassium current(IK) in single ventricular myocytes of guinea pig and investigate its antiarrhythmic mechanism from ion channel view.
研究壳聚糖对豚鼠单一心室肌细胞延迟外向钾电流（I_k）的作用，从离子通道角度初步探讨其作用机理。
To investigate the effects of inhibition of central sympathetic activity by clonidine on single ventricular myocyte contractile amplitude, heart function and survival rate of myocytes in aged rats.
探讨中枢交感神经活性抑制对老年大鼠心功能、单个心室肌细胞收缩幅度和细胞存活率的影响。
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