Table 2

Characterization of mPEG5–PLAy copolymers and polymeric micelles
Copolymers Mn(PLA) CAC (10−7 mol/L) CyA loaded LC (%) EE (%)
d(nm) PDI
mPEG5–PLA2.5 2249 3.07 60.1 ± 8.2 0.23 12.1 ± 0.8 44.0 ± 3.0
mPEG5–PLA5 4802 1.99 71.9 ± 0.4 0.19 15.2 ± 1.1 77.9 ± 4.1
mPEG5–PLA10 9247 1.57 89.0 ± 0.5 0.20 10.7 ± 1.5 33.1 ± 2.1
mPEG5–PLA15 15825 1.08 95.2 ± 1.2 0.23 9.7 ± 0.2 10.9 ± 0.2

d and PDI represent the average diameter and the polydispersity index (PDI) of micelles in aqueous solution, respectively

Zhang et al.

Zhang et al. Nanoscale Research Letters 2010 5:917-925   doi:10.1007/s11671-010-9583-4

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