Preparation of Starch/Gelatin Blend Microparticles by a Water-in-Oil Emulsion Method for Controlled Release Drug Delivery

Figure 1

SEM images of drug-loaded gelatin microparticles (a) without crosslinking and crosslinked with (b) 12.5 g glutaraldehyde/100 g gelatin and (c) 25 g glutaraldehyde/100 g gelatin, and drug-loaded blend microparticles with starch/gelatin blend ratios of (d) 20/80, (e) 35/65, and (f) 50/50 (w/w) crosslinked with 25 g glutaraldehyde/100 g starch/gelatin. (All bars = 100 μm.)

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