High power acoustic insult to living cultured cells as studied by high-frequency scanning acoustic microscopy

Chiaki Miyasaka; Bernhard R. Tittmann

doi:10.1117/12.469895

11 June 2002 High-power acoustic insult to living cultured cells as studied by high-frequency scanning acoustic microscopy

Chiaki Miyasaka, Bernhard R. Tittmann

Author Affiliations +

Proceedings Volume 4702, Smart Nondestructive Evaluation for Health Monitoring of Structural and Biological Systems; (2002) https://doi.org/10.1117/12.469895
Event: NDE For Health Monitoring and Diagnostics, 2002, San Diego, California, United States

Abstract

A plurality of articles discussing combined effects of acoustic high-pressure (mechanical factor) and heat (thermal factor) caused by acoustic vibration on biological tissues and cells has been published. Herein, we contribute the preliminary results describing the behavior of living human skin cells when separately applying shock waves and thermal insult to them. First, we gradually increased temperature of a culturing medium from 37.5 to 52 degree(s)C using the heat plate with temperature controller, and carried out in-situ observation of the cells grown on a substrate via the medium using a scanning acoustic microscope. Second, we provided the pressure using high power ultrasonic pulses generated by a laser induced ultrasonic shock wave system to the cells, wherein the pressure caused by the pulses was measured by a hydrophone, and wherein temperature was monitored by thermocouples. The cells were observed just after giving the impact. The difference between phenomena indicating cellular insult and injury (e.g., shrinkage or lift-off) were clearly visualized by the scanning acoustic microscope with frequency at 1.0 GHz.

Citation Download Citation

Chiaki Miyasaka and Bernhard R. Tittmann "High-power acoustic insult to living cultured cells as studied by high-frequency scanning acoustic microscopy", Proc. SPIE 4702, Smart Nondestructive Evaluation for Health Monitoring of Structural and Biological Systems, (11 June 2002); https://doi.org/10.1117/12.469895

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