Acoustic localization of sub-micron droplets for targeted imaging and therapy

Paul A. Dayton, Shukui Zhao, Hairong Zheng, Reena Zutshi, Pat Schumann, Kim Penrose, Terry O Matsunaga, Katherine W. Ferrara

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Sub-micron droplets comprised of lipid stabilized perfluorocarbons have potential applications in therapeutics and targeted ultrasound imaging. Acoustic energy can provide spatial localization of these droplets to enhance targeted adhesion or for site localized therapy. With ultrasound frequencies in the clinical imaging range and acoustic pressures on the order of megaPascals, these droplets translate in the direction of acoustic wave propagation on the order of hundreds of microns per second. The mechanism for this displacement effect is a combination of radiation force and acoustic streaming. In an in-vitro flowing system, acoustic manipulation of targeted droplets increases targeted droplet retention to ligands on the vessel wall. Ultrasound also locally enhances the delivery of sub-micron particles to a cell monolayer.

Original languageEnglish (US)
Title of host publicationProceedings - IEEE Ultrasonics Symposium
Pages521-524
Number of pages4
Volume1
DOIs
StatePublished - 2006
Externally publishedYes

Fingerprint

therapy
acoustics
acoustic streaming
vessels
lipids
manipulators
wave propagation
delivery
adhesion
ligands
radiation
cells
energy

Keywords

  • Radiation force
  • Streaming
  • Therapeutics
  • Ultrasound

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

Cite this

Dayton, P. A., Zhao, S., Zheng, H., Zutshi, R., Schumann, P., Penrose, K., ... Ferrara, K. W. (2006). Acoustic localization of sub-micron droplets for targeted imaging and therapy. In Proceedings - IEEE Ultrasonics Symposium (Vol. 1, pp. 521-524). [4152002] https://doi.org/10.1109/ULTSYM.2006.146

Acoustic localization of sub-micron droplets for targeted imaging and therapy. / Dayton, Paul A.; Zhao, Shukui; Zheng, Hairong; Zutshi, Reena; Schumann, Pat; Penrose, Kim; Matsunaga, Terry O; Ferrara, Katherine W.

Proceedings - IEEE Ultrasonics Symposium. Vol. 1 2006. p. 521-524 4152002.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Dayton, PA, Zhao, S, Zheng, H, Zutshi, R, Schumann, P, Penrose, K, Matsunaga, TO & Ferrara, KW 2006, Acoustic localization of sub-micron droplets for targeted imaging and therapy. in Proceedings - IEEE Ultrasonics Symposium. vol. 1, 4152002, pp. 521-524. https://doi.org/10.1109/ULTSYM.2006.146
Dayton PA, Zhao S, Zheng H, Zutshi R, Schumann P, Penrose K et al. Acoustic localization of sub-micron droplets for targeted imaging and therapy. In Proceedings - IEEE Ultrasonics Symposium. Vol. 1. 2006. p. 521-524. 4152002 https://doi.org/10.1109/ULTSYM.2006.146
Dayton, Paul A. ; Zhao, Shukui ; Zheng, Hairong ; Zutshi, Reena ; Schumann, Pat ; Penrose, Kim ; Matsunaga, Terry O ; Ferrara, Katherine W. / Acoustic localization of sub-micron droplets for targeted imaging and therapy. Proceedings - IEEE Ultrasonics Symposium. Vol. 1 2006. pp. 521-524
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