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On soliton propagation in biomembranes and nerves

机译:关于孤子在生物膜和神经中的传播

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摘要

The lipids of biological membranes and intact biomembranes display chain melting transitions close to temperatures of physiological interest. During this transition the heat capacity, volume and area compressibilities, and relaxation times all reach maxima. Compressibilities are thus nonlinear functions of temperature and pressure in the vicinity of the melting transition, and we show that this feature leads to the possibility of soliton propagation in such membranes. In particular, if the membrane state is above the melting transition solitons will involve changes in lipid state. We discuss solitons in the context of several striking properties of nerve membranes under the influence of the action potential, including mechanical dislocations and temperature changes.
机译:生物膜和完整生物膜的脂质显示出接近生理温度的链融化转变。在此过渡过程中,热容量,体积和面积可压缩性以及松弛时间都达到最大值。因此,可压缩性是熔融转变附近温度和压力的非线性函数,并且我们证明了此特征导致孤子在此类膜中传播的可能性。特别地,如果膜状态高于熔融转变孤子将涉及脂质状态的变化。我们在动作电位的影响下,在神经膜的几种惊人特性的背景下讨论孤子,包括机械位错和温度变化。

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