超声微流及相关现象。
Ultrasonic microstreaming and related phenomena.
作者信息
Nyborg W L
出版信息
Br J Cancer Suppl. 1982 Mar;5:156-60.
Abstract
It has been shown in recent work that biological cells and tissues are affected by low intensity ultrasound in the lower megahertz frequency range if small gas-filled channels or pores are present, with dimensions in the range of a few microns. When these gas bodies pulsate in response to the ultrasound they act on surrounding media by unique forms of radiation pressure, forces and torque; in liquids small-scale eddying is generated, known as microstreaming. It is probably by combinations of these phenomena that biological effects are produced.
摘要
近期研究表明，如果存在尺寸在几微米范围内的小充气通道或孔隙，生物细胞和组织会受到兆赫兹低频范围内的低强度超声影响。当这些气体团因超声而脉动时，它们会通过独特形式的辐射压力、力和扭矩作用于周围介质；在液体中会产生小规模的涡旋，即微流。可能正是这些现象的综合作用产生了生物效应。
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本文引用的文献
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