1. COMPARATIVE STUDY BETWEEN SINGLE STRENGTH JUICES AND COMMERCIAL NATURAL JUICES BY IRMS AND EPR. Authors: GRIGORE DAMIAN, ROMULUS HORAȚIU PUȘCAȘ, LAURA BOLOJAN, NICOLETA SIMONA VEDEANU, DANA ALINA MAGDAS.2. EVALUATION OF FREE RADICAL CONCENTRATION IN SOME NEW DENTAL COMPOSITE MATERIALS BY ESR SPECTROSCOPY. Authors: G. DAMIAN, LAURA BOLOJAN, RADU SILAGHI-DUMITRESCU, CRISTINA PREJMEREAN, LAURA SILAGHI-DUMITRESCU, DOINA PRODAN.