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 15
Scanning electron microphotographs illustrating morphology of the PLGA MPs before in vitro release (a) and after in vitro release (b); (magnification 3,500x).
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