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[非热微波对神经纤维功能的影响]

[Non-thermal microwave effect on nerve fiber function].

作者信息

Pakhomov A G

出版信息

Biofizika. 1993 Mar-Apr;38(2):367-71.

PMID:8485199
Abstract

Effects of microwave radiation (915 MHz, PW, peak SAR 20-30 W/g, pulse duration 1 mcs, 50.000 and 25.000 p.p.s.) were investigated in isolated frog nerve cord preparation. Nerve VHF heating didn't exceed 2.2 degrees C due to intense Ringer's solution perfusion. It was established that nerve irradiation simultaneously with its stimulation lead to significant decrease of action potential amplitude and peak latency. Since the equal conventional heating of the nerve caused the opposite changes (amplitude increase), the results obtained argue for non-thermal mechanism of microwave action.

摘要

在离体蛙神经索标本中研究了微波辐射(915兆赫,脉冲波,峰值比吸收率20 - 30瓦/克,脉冲持续时间1微秒,50000和25000脉冲/秒)的效应。由于林格氏液的强烈灌注,神经的甚高频加热不超过2.2摄氏度。已证实,在刺激神经的同时进行照射会导致动作电位幅度和峰值潜伏期显著降低。由于对神经进行相同程度的传统加热会产生相反的变化(幅度增加),所以所获得的结果支持微波作用的非热机制。

相似文献

1
[Non-thermal microwave effect on nerve fiber function].[非热微波对神经纤维功能的影响]
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Effect of low-intensity millimeter-range electromagnetic irradiation on the recovery of function in lesioned sciatic nerves in rats.低强度毫米波范围电磁辐射对大鼠坐骨神经损伤后功能恢复的影响
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