Annihilation mechanism of surfactant microbubbles in a blood vessel model by ultrasound exposure

Kawan Soetanto, Tomohiro Saito

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this study, the relationship between exposure to ultrasound and the lifetime of microbubbles in a blood vessel model is investigated. Microbubbles are produced from a surfactant solution, and the change in the number of microbubbles upon ultrasound exposure is measured. The experimental results confirm that the microbubbles collapse upon ultrasound exposure. Microbubble lifetime is shortest when the driving frequency of the ultrasound is equal to the frequency at which the maximum value of the ultrasound attenuation of the microbubble suspension is obtained.

Original languageEnglish
Pages (from-to)3416-3417
Number of pages2
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume38
Issue number5 B
Publication statusPublished - 1999
Externally publishedYes

Fingerprint

blood vessels
Blood vessels
Surface active agents
Ultrasonics
surfactants
life (durability)
attenuation

Keywords

  • Annihilation mechanism
  • Driving frequency
  • Microbubble
  • Number of microbubbles
  • Surfactant
  • Ultrasound exposure

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

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AB - In this study, the relationship between exposure to ultrasound and the lifetime of microbubbles in a blood vessel model is investigated. Microbubbles are produced from a surfactant solution, and the change in the number of microbubbles upon ultrasound exposure is measured. The experimental results confirm that the microbubbles collapse upon ultrasound exposure. Microbubble lifetime is shortest when the driving frequency of the ultrasound is equal to the frequency at which the maximum value of the ultrasound attenuation of the microbubble suspension is obtained.

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KW - Ultrasound exposure

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