1. 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.2. 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.