脂膜内在张力的弹性调节
Elastic moderation of intrinsically applied tension in lipid membranes
摘要：
脂质膜的张力通常由外部控制，通过拉动膜的边界或改变穿过弯曲膜的渗透压。但是张力的改变也可以以内部方式诱导，例如作为改变膜电势的副产品，或者如实验观察到的，通过膜蛋白的活性。在这里，我们开发了一个理论，证明如何通过弹性拉伸膜时，膜最初是在一个低张力松弛状态，这种内部贡献的张力是缓和的。
英文摘要：
Tension in lipid membranes is often controlled externally, by pulling on the boundary of the membrane or changing osmotic pressure across a curved membrane. But modifications of the tension can also be induced in an internal fashion, for instance as a byproduct of changing a membranes electric potential or, as observed experimentally, by activity of membrane proteins. Here we develop a theory which demonstrate how such internal contributions to the tension are moderated through elastic stretching of the membrane when the membrane is initially in a low tension floppy state.
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