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. Author manuscript; available in PMC: 2014 May 19.
Published in final edited form as: Ultrasound Med Biol. 2013 Nov 19;40(2):410–421. doi: 10.1016/j.ultrasmedbio.2013.09.018

Fig. 2.

Fig. 2

Coulter counter size distribution measurements for (a) Definity, (b) MicroMarker, (c) echogenic liposomes (ELIP), (d) enhanced ELIP and (e) recombinant tissue plasminogen activator (rt-PA)-loaded ELIP. Mean number density (histogram, shaded) and volume-weighted size distribution (solid line) are plotted versus particle diameter (note logarithmic scale on the abscissa). The dotted lines represent one standard deviation of the volume-weighted size distribution.

Dilution ratios are given in Table 2. Data are truncated at a diameter of 10 μm for clarity.