Physical characteristics and biological effects of laser-induced stress waves

被引:151
作者
Doukas, AG
Flotte, TJ
机构
[1] Wellman Labs. of Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston
[2] Wellman Labs. of Photomedicine, Massachusetts Gen. Hospital, WEL 224, Boston
关键词
photoacoustics; optical breakdown; ablation; shock waves; stress waves; stress gradient; cell viability; membrane permeability;
D O I
10.1016/0301-5629(95)02026-8
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
Laser-induced stress waves can be generated by one of the following mechanisms: optical breakdown, ablation, or rapid heating of an absorbing medium, These three modes of laser interaction with matter allow the investigation of cellular and tissue responses to stress waves with different characteristics and under different conditions, The effects of stress waves on cells and tissues can be quite disparate, Stress waves can fracture tissue, kill cells, decrease cell viability and increase the permeability of the plasma membrane, They can induce deleterious effects during medical procedures of high power, short pulse lasers or, alternatively, may facilitate new therapeutic modalities, such as drug delivery and gene therapy, This review covers the generation of laser-induced stress waves and their effects on cell cultures and tissue.
引用
收藏
页码:151 / 164
页数:14
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