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. 2010 Feb;26(1):37–48. doi: 10.1089/jop.2009.0074

Table 2. .

Entrapment Efficiency of Nanoparticles Prepared by Dialysis Method and O/W Emulsion/Solvent Evaporation Method

Drug Dialysis method
O/W emulsion/solvent evaporation method
PLGA 50:50 (mean ± SEM) % DL (%) PLGA 50:50 (mean ± SEM) % DL (%) PLGA 65:35 (mean ± SEM) % DL (%)
DEX 7.2 ± 3.5 0.71 ± 0.11 77.3 ± 4.4 10.1 ± 1.1 76.6 ± 3.1 9.9 ± 2.2
HA 12.1 ± 2.7 1.19 ± 0.39 91.3 ± 3.5 11.2 ± 1.5 92.3 ± 2.9 12.1 ± 1.4
PA 14.3 ± 1.3 1.40 ± 0.24 92.3 ± 5.1 10.9 ± 1.2 94.3 ± 3.3 11.1 ± 0.9

Abbreviations: DEX, dexamethasone; DL, drug loading; HA, hydrocortisone acetate; O/W, oil-in-water; PA, prednisolone acetate; PLGA, polylactide-co-glycolide; SEM, standard error of mean.