Microencapsulation.
D002214:Capsules; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003692:Delayed-Action Preparations; D004058:Diffusion; D005780:Gelatin; D008832:Microchemistry / Q000379:methods*; D008855:Microscopy, Electron, Scanning; D010539:Permeability; D011108:Polymers
D002214:Capsules; D003692:Delayed-Action Preparations; D011108:Polymers; D005780:Gelatin