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 1

Chemical structure of nicardipine hydrochloride (a) and poly(D,L-lactic-co-glycolic acid) (b).
(a)
(b)