1. ENVIRONMENTALLY PROTECTION BY PREPARING OF BIOMATERIALS BASED ON SYNTHETIC AND BIOPOLYMERS. Authors: MIHAELA HETVARY, MARIA SOMEȘAN, DANIELA STANCIU, RALUCA-NICOLETA DARIE, MARIA LUNGU, ELENA GROSU, ELISABETA ELENA TĂNASE, PETRUȚA STOICA, MARIA RÂPĂ.