1. AMPEROMETRIC STUDY OF THE INHIBITORY EFFECT OF BENZOIC ACID ON A TYROSINASE-MODIFIED PLATINUM ELECTRODE. Authors: SARMIZA ELENA STANCA, IONEL CĂTĂLIN POPESCU, LIVIU ONICIU.2. BIOSENSORS FOR PHENOL DERIVATIVES USING ELECTROCHEMICAL AND BIOCHEMICAL SIGNAL AMPLIFICATION. Authors: SARMIZA ELENA STANCA, IONEL CĂTĂLIN POPESCU, LIVIU ONICIU.3. BIOELECTRODE BASED ON TYROSINASE ENTRAPMENT IN ELECTROPOLYMERIZED MATRIX FOR AMPEROMETRIC DETECTION OF PHENOLIC COMPOUNDS. Authors: SARMIZA ELENA STANCA, IONEL CĂTĂLIN POPESCU, LIVIU ONICIU.