Figure 2 .

Phase separation in multiple emulsions. Includes (a) formation of multiple emulsions, (b) acetone solvent diffusion and formation of HP55 phase, and (c) methylene chloride evaporation and formation of PLGA/HP55 nanoparticles.

Wu et al. Nanoscale Research Letters 2012 7:299   doi:10.1186/1556-276X-7-299
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