| 跨膜离子回旋谐振运动的计算及分析 |
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| 引用本文： | 黄春明,徐邦荃,叶琴,林家瑞.跨膜离子回旋谐振运动的计算及分析[J].华中科技大学学报(自然科学版),1998(11). |
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| 作者姓名： | 黄春明 徐邦荃 叶琴 林家瑞 |
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| 作者单位： | 华中理工大学自动控制工程系，华中理工大学电子与信息工程系，华中理工大学生物工程系 |
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| 摘 要： | 从离子在电磁场作用下的基本运动方程出发，对在不同频率和幅值的外场作用下跨膜离子的运动特性进行了数值分析，揭示了离子发生谐振的外场参数条件．指出离子谐振时动能随时间迅速增长，并且在离散的谐振点上，离子动能的增长速度随交变磁场幅值的增大而增大，离子由谐振运动能够获得很大的动能，通过能量转换，可能导致磁生物效应的发生．
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| 关 键 词： | 跨膜离子运动 回旋谐振 稳定性 极低频 |
A Numerical Calculation and Analysis of Cyclotron Resonance Motion of an Ion across the Membrane |
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| Huang Chunming,Xu Bangquan,Ye Qin,Lin Jiarui.A Numerical Calculation and Analysis of Cyclotron Resonance Motion of an Ion across the Membrane[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,1998(11). |
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| Authors: | Huang Chunming Xu Bangquan Ye Qin Lin Jiarui |
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| Institution: | Huang Chunming Xu Bangquan Ye Qin Lin Jiarui |
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| Abstract: | From the elementary motion equations of an ion exposed by magnetic fields, the motion characteristics of an ion across the membrane exposed by a variety of magnetic fields with different frequency and amplitude are numerically analyzed, and the resonance parameter conditions of exogenous magnetic field are revealed. The numerical analyses show that the kinetic energy of the ion increases rapidly with time under resonance. At the discrete resonance points, the larger the amplitudes of the AC fields are, the larger the energy increase speeds are. The ion acquires much energy by cyclotron resonance, resulting in biological effects through energy conversion. |
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| Keywords: | motion of an ion across the membrane cyclotron resonance stability extremely low frequency |
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