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首页> 外文期刊>Japanese journal of applied physics >Optical Scattering Measurement of Microbubble Cloud Dynamics in Ultrasound
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Optical Scattering Measurement of Microbubble Cloud Dynamics in Ultrasound

机译：超声中微气泡云动力学的光散射测量

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The manipulation of microbubbles by ultrasonic waves has the potential to be a useful technique in therapeutic ultrasound, such as for drug delivery systems and gene delivery systems. The Bjerknes force, which is an acoustic radiation force produced by microbubbles, acts as a driving force on the microbubbles; however, the two types of Bjerknes force make the resultant bubble movement very complex. In this paper, the evaluation of microbubble dynamics under ultrasonic wave radiation based on a laser diffraction method is proposed. The relationship between the microbubble spatial distribution and the diffracted light intensity is discussed on the basis of both theoretical analysis and numerical simulations. Experiments are carried out using ultrasonic wave contrast agent as microbubbles.
机译：超声波对微泡的操纵有可能成为治疗性超声中的有用技术，例如用于药物输送系统和基因输送系统。 Bjerknes力是微气泡产生的声辐射力，它是微气泡上的驱动力。但是，两种Bjerknes力使气泡运动变得非常复杂。本文提出了一种基于激光衍射法的超声波辐射下微泡动力学的评价方法。在理论分析和数值模拟的基础上，探讨了微泡空间分布与衍射光强的关系。使用超声波造影剂作为微泡进行实验。

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  • 来源
    《Japanese journal of applied physics》 |2010年第7issue2期|P.07HF19.1-07HF19.7|共7页
  • 作者

    Takashi Miwa; rnYoshiki Yamakoshi; rnTomoharu Mashiyama;

  • 作者单位

    Graduate School of Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan;

    rnGraduate School of Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan;

    rnGraduate School of Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan;

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