微管中能量传递过程的模拟
Modeling of the energy transfer process in microtubules
摘要:
本文模拟了细胞微管中的能量传递过程。讨论了库仑偶极-偶极相互作用连接的双光子系统作为能量载体。这项工作模拟了能量沿色氨酸链在微管中迁移的条件。结果表明,转移机制具有混合性质。因此,在具有强偶极-偶极相互作用的两个或三个量子阱内,由于激子相干机制而发生能量转换过程。在偶极-偶极相互作用较弱的情况下,由于感应共振机制而发生能量转换过程。这项工作的结果使我们能够谈论微管的可能信号功能,传输有关其偶极-偶极结构中局部诱导的过程的信号。微管中的能量传递是一种量子现象。
英文摘要:
In the work the process of the energy transfer in the cell microtubules is simulated. A system of tryptophans connected by Coulomb dipole-dipole interaction is discussed as the energy carriers. The work models the conditions under which the migration of energy along the tryptophan chain in the microtubule is possible. It was shown the transfer mechanism has a mixed nature. Thus, within two or three tryptophans with a strong dipole-dipole interaction, the energy transformation process occurs due to an exciton coherent mechanism. In cases of weaker dipole-dipole interaction, the energy transformation process occurs due to an inductive-resonant mechanism. The results of the work allow us talk about a possible signal function of a microtubules, transmitting signals about processes locally induced in its dipole-dipole structure. The energy transfer in microtubules has been determined as a quantum phenomenon.
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