1. OPTIMIZATION OF THE TERNARY MOBILE PHASE USED IN THIN-LAYER CHROMATOGRAPHY BY THE "WINDOW DIAGRAMS" METHOD. Authors: DORINA CASONI, CLAUDIA CIMPOIU, VASILE MICLĂUȘ, TEODOR HODIŞAN, COSTINELA LAURA GÁSPÁR.2. STUDY OF ANTIOXIDANT CAPACITY OF FLAVONOIDIC COMPOUNDS FROM TILIA PLATYPHYLLOS EXTRACT. Authors: ANAMARIA HOSU, VASILE MICLĂUȘ, CLAUDIA CIMPOIU, TEODOR HODIŞAN.3. SIMULTANEOUS DETERMINATION OF TWO ANTIOXIDANTS IN COSMETC PRODUCTS BY GAS CHROMATOGRAPHY. Authors: TEODOR HODIŞAN, CRISTINA ELENA HORGA, ANCA MARIA JUNCAN.