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. 2017 Apr 5;12(4):e0175095. doi: 10.1371/journal.pone.0175095

Fig 1. Schematic of the process steps in the preparation of the delivery disc.

Fig 1

Disc-shaped devices were prepared by crosslinking gelatin in GA vapor followed by freeze-drying. Loading of the soluble signal into the disc was achieved by soaking overnight in solution of the soluble signal.