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轮藻细胞液泡电位对250赫兹至250千赫兹范围内电磁辐射的响应偏移

Offset of the vacuolar potential of Characean cells in response to electromagnetic radiation over the range 250 Hz-250 kHz.

作者信息

Montaigne K, Pickard W F

出版信息

Bioelectromagnetics. 1984;5(1):31-8. doi: 10.1002/bem.2250050104.

DOI:10.1002/bem.2250050104
PMID:6712748
Abstract

Measurements were made of the small, transient offsets of vacuolar potential produced in single cells of Nitella flexilis and Chara braunii by isolated bursts of audio frequency electromagnetic radiation. The offsets increased in magnitude with decreasing frequency of the electromagnetic radiation and, below about 6 kHz, seemed to approach a low-frequency asymptote. This frequency dependence for the offset is shown to be in accordance with a previously developed model in which the incident radiation is weakly rectified by the cell's membrane system.

摘要

对柔弱刚毛藻和布氏轮藻的单细胞中由孤立的音频电磁辐射脉冲产生的液泡电位的微小瞬态偏移进行了测量。随着电磁辐射频率的降低,偏移幅度增大,并且在约6千赫兹以下,似乎接近低频渐近线。这种偏移对频率的依赖性表明与先前建立的模型一致,在该模型中,入射辐射被细胞的膜系统微弱整流。

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