Table 2.

Physicochemical characteristics of each liposomal preparation

	E-lipo	E/Asx-lipo	E/D-lipo	E/D/Asx-lipo
Theoritical Asx concentration in liposomes (µM)	—	200	—	200
EPC concentration in liposome (mM)	200	200	180	180
DOTAP concentration in liposome (mM)	—	—	20	20
Particle diameter(nm)	130.3 ± 6.6	131.2 ± 7.0	75.1 ± 7.5	84.6 ± 21.1
PDI	0.209 ± 0.033	0.279 ± 0.021	0.230 ± 0.015	0.281 ± 0.086
Zeta potential (mV)	–0.88 ± 0.64	–0.39 ± 0.53	8.68 ± 0.98	8.95 ± 1.07
Actual Asx concentration in liposomes (µM)	—	197.1 ± 0.9	—	203.8 ± 3.7

PDI, polydispersity index. Data are expressed as mean ± SD (n = 5).