1. CORRELATING ABILITY OF CLUJ TYPE INDICES. Authors: GABRIEL KATONA, MIRCEA V. DIUDEA.2. MODELING OF BIOLOGICALLY ACTIVE MOLECULAR STRUCTURES. Authors: MIRCEA V. DIUDEA, GABRIEL KATONA, ERIKA TASNADI.3. STARCH HYDROLYSIS WITH COMMERCIAL ENZYME PREPARATES. Authors: CORNELIA MAJDIK, CECILIA ROMAN, GABRIEL KATONA, MIRCEA CHINTOANU, MARIUS ROMAN, MIRELA MICLEAN, LĂCRIMIOARA ŞENILĂ.4. THE CELLULAR BIODEGRADATION OF DI- AND TRIHYDROXYBENZENES. Authors: CECILIA ROMAN, CORNELIA MAJDIK, LĂCRIMIOARA ŞENILĂ, EMIL LUCA, MARIUS ROMAN, MIRCEA CHINTOANU, MIRELA MICLEAN, GABRIEL KATONA.5. FUNCTIONALIZATION OF CARBON NANOTUBES. Authors: MIRCEA V. DIUDEA, GABRIEL KATONA, ERIKA TASNADI, MELINDA E. FÜSTÖS.6. IMMOBILIZED POLYPHENOLOXIDASE FOR WASTEWATERS TRATEMENT. Authors: CECILIA ROMAN, TIBERIU RUSU, SIMONA MARIANA SIMON, EMIL LUCA, MARIUS ROMAN, MIRCEA CHINTOANU, GABRIEL KATONA, CORNELIA MAJDIK.7. PHENOL REMOVAL FROM WASTEWATERS USING POLYPHENOLOXIDASE FROM POTATO. Authors: CECILIA ROMAN, TIBERIU RUSU, SIMONA MARIANA SIMON, EMIL LUCA, MARIUS ROMAN, MIRCEA CHINTOANU, GABRIEL KATONA, CORNELIA MAJDIK.8. EFFICIENT DEGRADATION OF PHENOL WITH PSEUDOMONAS PUTIDA CELLS FOR THE PRODUCTION OF PURE WATER. Authors: GABRIEL KATONA, CORNELIA MAJDIK.9. CONTINUOUS FLOW WASTE WATER PURIFICATION WITH IMMOBILIZED CELLS. Authors: GABRIEL KATONA, CORNELIA MAJDIK.10. ELECTROCHEMICAL DETERMINATION OF DOPAMINE WITH GRAPHENE-MODIFIED GLASSY CARBON ELECTRODES. Authors: GRAZIELLA LIANA TURDEAN, GABRIEL KATONA.11. INFLUENCE OF MGO/SIO2 RATIO AND ADDITIVES ON BIONANOFORSTERITE POWDERS CHARACTERISTICS. Authors: MARIA GOREA, GABRIEL KATONA.12. INFLUENCE OF THE THERMAL TREATMENT ON THE COLOUR OF RO٠AL2O3 (R=CO, NI) TYPE SPINEL PIGMENTS PREPARED BY A MODIFIED SOL – GEL METHOD. Authors: FIRUŢA GOGA, GABRIEL KATONA.13. SYNTHESIS AND CHARACTERIZATION OF DERIVATIZED CARBON NANOSTRUCTURES. Authors: GABRIEL KATONA, MARIA SUCIU, MELINDA-EMESE FÜSTÖS, TIMEA-ANITA DULL-SZABÓ.14. STRUCTURAL, MORPHOLOGICAL AND DISSOLUTION PROPERTIES OF ZrO2-BASED BIOCOMPOSITES FOR DENTAL APPLICATIONS. Authors: LILIANA BIZO, KLARA SABO, RÉKA BARÁBAS, GABRIEL KATONA, LUCIAN BARBU-TUDORAN, ANTONELA BERAR.15. ELECTROCHEMICAL EVALUATION OF THE RELATIONSHIP BETWEEN THE THERMAL TREATMENT AND THE PROTECTIVE PROPERTIES OF THIN SILICA COATINGS ON ZINC SUBSTRATES. Authors: LIANA MARIA MUREŞAN, GABRIELLA SZABÓ, GABRIEL KATONA, TAMARA-RITA OVÁRI.16. PLATINUM RECOVERY FROM USED AUTO CATALYSTS: DISSOLUTION AND PRECIPITATION STUDIES. Authors: ANGELA M. KASZA, GABRIEL KATONA, MONICA DAN, CEZARA VOICA, OANA GRAD, MARIA MIHEȚ, TIBOR DEZSO, RUBEN NAGY, TIHAMER BOTS, MIHAELA DIANA LAZǍR.