Figure 3.

LM photographs of the emulsions that were obtained by emulsifying a dispersed phase (PLGA 0.3 g, progesterone 30 mg, ethyl formate 6 mL) in an aqueous phase. The emulsion was stirred for (A) 10 min and (B) 2 h before LM observation. The bar sizes in (A,B) are 50 and 20 μm, respectively.