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[弱静磁场和交变磁场的生物效应]

[Bioeffects of weak static and alternating magnetic fields].

作者信息

Lednev V V

出版信息

Biofizika. 1996 Jan-Feb;41(1):224-32.

PMID:8714474
Abstract

The model for the interaction of weak magnetic fields with biosystems, which has been suggested earlier by the author for the case of impulse-like excitation of oscillators (i.e. of ions bound in the Ca(2+)-dependent enzymes or in the protein-enzyme complexes) is extended for the more realistic case of continuous excitation of oscillators. The expressions for the polarization degree of oscillator's vibrations in combined, static and alternating magnetic fields are derived. It is postulated that the value of bioeffect induced by magnetic field in a biosystem is proportional to the polarization degree of the ion's vibration. The available experimental data are shown to be in a remarkably good fit with theoretical predictions.

摘要

作者先前针对振荡器(即结合在依赖钙离子的酶或蛋白质 - 酶复合物中的离子)的脉冲式激发情况所提出的弱磁场与生物系统相互作用模型,已扩展至振荡器连续激发这一更为现实的情况。推导了在组合的静磁场和交变磁场中振荡器振动极化度的表达式。假定生物系统中磁场诱导的生物效应值与离子振动的极化度成正比。结果表明,现有的实验数据与理论预测非常吻合。

相似文献

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[Bioeffects of weak static and alternating magnetic fields].[弱静磁场和交变磁场的生物效应]
Biofizika. 1996 Jan-Feb;41(1):224-32.
2
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Bioeffects of moderate-intensity static magnetic fields on cell cultures.中等强度静磁场对细胞培养的生物效应。
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A Lorentz model for weak magnetic field bioeffects: part I--thermal noise is an essential component of AC/DC effects on bound ion trajectory.一种用于弱磁场生物效应的洛伦兹模型:第一部分——热噪声是交流/直流对束缚离子轨迹影响的重要组成部分。
Bioelectromagnetics. 2009 Sep;30(6):462-75. doi: 10.1002/bem.20494.
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Mechanism for combined action of microwaves and static magnetic field: slow non uniform rotation of charged nucleoid.微波与静磁场联合作用机制:带电类核的缓慢非均匀旋转。
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Molecular Biological Effects of Weak Low-Frequency Magnetic Fields: Frequency-Amplitude Efficiency Windows and Possible Mechanisms.弱低频磁场的分子生物学效应:频率-幅度效率窗口及可能的机制。
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Magnetoreception in laboratory mice: sensitivity to extremely low-frequency fields exceeds 33 nT at 30 Hz.
实验室小鼠的磁受体感应:在 30Hz 时,对 33nT 以下的极低频磁场敏感。
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Why effects of the weak combined magnetic fields on biosystems are not always reproduced?
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Magnetic field can alleviate toxicological effect induced by cadmium in mungbean seedlings.磁场可缓解镉对绿豆幼苗的毒理学效应。
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Effect of alternating electromagnetic field on early stages of plant development.
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Shielding, but not zeroing of the ambient magnetic field reduces stress-induced analgesia in mice.屏蔽而非使周围磁场归零会降低小鼠的应激诱导镇痛作用。
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