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. Author manuscript; available in PMC: 2013 Apr 1.
Published in final edited form as: Ultrasound Med Biol. 2012 Feb 16;38(4):670–680. doi: 10.1016/j.ultrasmedbio.2011.12.025

Fig. 1.

Fig. 1

Characterization of the CD81-targeted ultrasound contrast agents. (a) Fluorescent micrograph of fluorescein iso-thiocyanate (FITC)-labeled CD81-targeted ultrasound contrast agents (UCA) (bar = 5 μm). (b) Size distribution of the targeted UCA and non-targeted UCA.