Abstract Presently, nerve pulse propagation is understood to take place by electric action pulses. The theoretical description is given by the Hodgkin-Huxley model. Recently, an alternative model was proclaimed, where signaling is carried out by acoustic solitons. The solitons are built by a local phase transition in the lyotropic liquid crystal (LLC) of a biologic membrane. We argue that the crystal structure arranging hydrogen bonds at the membrane surface do not allow such an acoustic soliton model. The bound water is a component of the LLC and the assumed phase transition represents a negative entropy step.

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关于生物信号

摘要 目前，神经脉冲传播被理解为通过电作用脉冲发生。Hodgkin-Huxley 模型给出了理论描述。最近，宣布了另一种模型，其中信号由声学孤子执行。孤子是通过生物膜的溶致液晶 (LLC) 中的局部相变构建的。我们认为在膜表面排列氢键的晶体结构不允许这种声学孤子模型。结合水是 LLC 的一个组成部分，假定的相变代表负熵步骤。