1. SPION SIZE DEPENDENT EFFECTS ON NORMAL AND CANCER CELLS. Authors: RADU BĂLAN, CRISTIAN LEOȘTEAN, SEPTIMIU CASSIAN TRIPON, LUCIAN BARBU-TUDORAN, IZABELL CRĂCIUNESCU, MARIA SUCIU, SERGIU GABRIEL MACAVEI.2. SYNTHESIS AND SPECTROSCOPIC CHARACTERIZATION OF HYBRID MAGNETIC NANOPARTICLES, BASED ON FE@AU AND PYRROLE. Authors: IOAN BRATU, CRISTIAN LEOȘTEAN, ALEXANDRINA NAN, OVIDIU PANĂ, MARIA-LOREDANA SORAN.3. MORPHO-STRUCTURAL AND PHOTOCATALYTIC PROPERTIES OF SnO2 NANOPARTICLES. Authors: LUCIAN BARBU-TUDORAN, DIANA LAZAR, SERGIU MACAVEI, DANA TOLOMAN, ADRIANA POPA, CRISTIAN LEOȘTEAN, OVIDIU PANA, MARIA ŞTEFAN.4. SYNTHESIS AND CHARACTERISATION OF Fe3O4-SnO2 NANOCOMPOSITES WITH ELECTROCHEMICAL PROPERTIES. Authors: LUCIAN BARBU-TUDORAN, DANA TOLOMAN, ADRIANA POPA, CRISTIAN LEOȘTEAN, OVIDIU PANĂ, FLORINA POGACEAN, MARIA ŞTEFAN, SERGIU MACAVEI.