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。
The signal of single ion channel is stochastic ionic currents on the order of 1pA, which can be recorded by means of patch clamp technique.
细胞膜离子单通道信号是皮安级的随机电流，膜片钳技术可以记录这些信号。
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