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. Author manuscript; available in PMC: 2008 May 5.
Published in final edited form as: Mol Imaging. 2007 Nov–Dec;6(6):384–392.

Figure 1.

Figure 1

Overlap between resonant frequencies in a microbubble population and the −6 dB bandwidth of a 3.8 MHz 80% bandwidth transducer. A, Microbubble population similar to commercially available lipid-encapsulated contrast agents (2.1 ± 1.1 μm). B, “Nearly monodisperse” microbubble population in which the mean diameter has a resonant frequency that matches the transducer center frequency, with a standard deviation of 5% of the mean diameter.