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. Author manuscript; available in PMC: 2014 Jul 1.
Published in final edited form as: Wiley Interdiscip Rev Nanomed Nanobiotechnol. 2013 Mar 15;5(4):10.1002/wnan.1219. doi: 10.1002/wnan.1219

Figure 1.

Figure 1

High-speed optical photography of acoustically excited microbubbles illustrating microbubble fragmentation as well as stable oscillation. A) Diameter vs. time streak photography showing a 3 micron bubble in response to 2 cycle insonation at ~1.5 MHz and 1200 kPa. The microbubble is observed to expand and contract substantially and then fragment B) Standard 2-D framing photography acquired simultaneously to the diameter vs. time image presented in A). C) 20 cycle insonation of a 3.5 micron bubble at ~3.5 MHz and 200 kPa, showing stable, linear, low-amplitude oscillation. (unpublished data, courtesy of Paul Dayton)