Polylactic acid (PLA) is a kind of environmental thermoplastic polymer. Aliphatic polyesters, such as PLA, are a biocompatible polymer with mechanical properties, transparencies and non-toxic properties. These properties ...

Aloe Vera, a long-lived and xeromorphic plant, is known for its therapeutic properties. Several beneficial effects have been reported including AV, hypoglycemic, wound and burn healing, gastroprotective, anticancer, ...