Skip to main content
. 2019 Apr 11;11(4):667. doi: 10.3390/polym11040667

Figure 8.

Figure 8

Schematic representation of different drug delivery devices. (a) Ultrasonically processed, solid controlled drug release devices reported in Reference [9]; (b) Micro-needles for transdermal drug delivery [32]; (c) Capsule shells for oral drug delivery [52].