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. Author manuscript; available in PMC: 2017 Nov 29.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2016 Oct 20;64(1):252–263. doi: 10.1109/TUFFC.2016.2619685

Fig. 3.

Fig. 3

Microbubble condensation to form submicrometer droplets from volatile compounds (from [23]). (a) Phospholipid-encapsulated DFB microbubbles initially appear as an opaque “milky” emulsion. (b) Produce a distribution with a mean diameter of 1.0 ± 0.9 μm (N = 3, Accusizer 780, five-point smoothing applied). (c) After condensation, the emulsion appearance turns translucent. (d) Distribution shifts into the nanoscale with a mean diameter of 164 ± 63 μm (N = 3, Malvern NS-500). Dashed lines represent one standard deviation.

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