1. THE USE OF PLANT IN VITRO SYSTEMS FOR THE SYNTHESIS OF NOBLE METAL NANOPARTICLES. Authors: MAGDALENA LUNGU, GABRIELA HRISTEA, ALEXANDRU BRINZAN, MONICA MITOI, GINA COGĂLNICEANU.2. THE ETIOLOGY OF PINK PIGMENTATION ON MURAL PAINTINGS. CASE STUDY: HUMOR MONASTERY, ROMANIA. Authors: ROXANA COJOC, MĂDĂLIN ENACHE, SIMONA NEAGU, GINA COGĂLNICEANU, MONICA MITOI, IOANA GOMOIU.