Research Article
Encapsulation of Nicardipine Hydrochloride and Release from Biodegradable Poly(D,L-lactic-co-glycolic acid) Microparticles by Double Emulsion Process: Effect of Emulsion Stability and Different Parameters on Drug Entrapment
Figure 3
Digital photographs (a) and emulsion stability index (b) of the w1/o single emulsion with the addition of surfactants, taken 480 min after preparation (A, B, and C are significantly different at the level, with comparisons among the type of surfactants in each group).
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