Internalization of paramagnetic phosphatidylserine-containing liposomes by macrophages

Table 2 Characterization of liposome formulations

	PC-L	PS-6-L	PS-12-L	PS-37-L
Hydrodynamic diameter (nm) ^a	136 ± 3	120 ± 7	111 ± 10	97 ± 4^*
PDI (−) ^a	0.13 ± 0.03	0.28 ± 0.05^*	0.30 ± 0.02^*	0.30 ± 0.19^*
r₁(mM^-1·s^-1)^b	3.0 ± 0.1	3.0 ± 0.3	3.4 ± 0.4	4.0 ± 0.1
r₂(mM^-1·s^-1)^b	42.3 ± 5.5	51.5 ± 4.5	60.7 ± 5.1	46.7 ± 4.2
r₂/r₁ ^b	14.4 ± 2.0	18.1 ± 2.6	18.2 ± 0.8	11.8 ± 0.9

^a n = 5 for PC-L and PS-6-L and n = 4 for PS-12-L and PS-37-L; ^b n = 4 for PC-L and PS-6-L, and n = 3 for PS-12-L and PS-37-L; ^* p <0.05 vs. PC-L, ANOVA with Bonferroni correction.

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