Table 1.

Summary of fitting parameters (p, µ, and σ) obtained from one- or two-peak Gaussian fits to histograms in Figures 5 and 6 corresponding to medium-sized (FS=100–200) microbubbles, where p, µ, and σ represent population fraction of each peak (i.e. p1 + p2 + p3 = 1), mean fluorescence intensity (FI), and standard deviation respectively.

DiC18-B Concentration [nM]	µ1 FI	p1	µ2 ± σ2 FI	p2	µ3 ± σ3 FI	p3
0 (2 h)	0	0.178	412 ± 152	0.822	/	/
2 (2 h)	0	0.542	420 ± 131	0.450	619 ± 46	0.008
20 (2 h)	0	0.551	440 ± 112	0.444	614 ± 34	0.005
40 (2 h)	0	0.573	448 ± 154	0.410	643 ± 61	0.017
200 (2 h)	0	0.210	418 ± 152	0.756	636 ± 64	0.035
0 (20 min)	0	0.116	410 ± 126	0.884	/	/
200 (20 min)	0	0.154	441 ± 167	0.724	709 ± 133	0.121