Figure 6. Schematics of various electro-encapsulation processes (Adapted from [25] with permission from Elsevier).
(a) Collision of droplets of opposite polarity; (b) Electrospraying of a drug dissolved/suspended in polymer with solidification by evaporation; (c) Electrospraying of a drug dissolved/suspended in polymer with solidification by a chemical or ionic crosslinker; and (d) Coaxial Electrospraying.