Fig. 4From: Control of Alginate Core Size in Alginate-Poly (Lactic-Co-Glycolic) Acid MicroparticlesSEM examination of alginate-PLGA microparticles: a alginate-PLGA microparticles containing 10 μm alginate cores (homo-mag). Scale bar: 200 μm. b A cross-section image of alginate-PLGA microparticles from a. c Alginate-PLGA microparticles containing 10 μm alginate cores after 26 days of incubation in PBS. Scale bar: 200 µm (a, c); 50 µm (b)Back to article page