Biodegradable Polymers for Microencapsulation Systems

Figure 37

(a) Fluorescence microscopy and (b) SEM and TEM (inset) micrographs of PDLLA microcapsules labeled with 1 wt% Nile Red relative to polymer. The microcapsules were obtained through evaporation of organic solvent from emulsion droplets containing 5 mg/mL PDLLA and 3 mg/mL Aerosol OT [115].

(a)

(b)