1. A QUANTUM CHEMICAL CONFORMATIONAL ANALYSIS OF P-TERT-BUTYL/PENTYL/OCTYL-CALIX[8]ARENES. Authors: ALEXANDRU LUPAN, ALINA SAPONAR, IOAN SILAGHI-DUMITRESCU, ATTILA KUN, LUMINIŢA SILAGHI-DUMITRESCU, ELISABETH-JEANNE POPOVICI.2. CALIX[N]ARENE DERIVATIVES WITH BINDING PROPERTIES TOWARD EU3+. Authors: ALINA SAPONAR, IOAN SILAGHI-DUMITRESCU, ELISABETH-JEANNE POPOVICI, NICOLAE POPOVICI.3. SYNTHESIS OF ESTER DERIVATIVES OF CALIX[N]ARENE. Authors: ALINA SAPONAR, ELISABETH-JEANNE POPOVICI, RODICA GRECU , IOAN SILAGHI-DUMITRESCU, NICOLAE POPOVICI.4. STUDIES ON THE EUROPIUM AND PALLADIUM EXTRACTION WITH SOME CALIX[6]ARENE DERIVATIVES. Authors: IOAN SILAGHI-DUMITRESCU, NICOLAE POPOVICI, IOANA PERHAITA, ELISABETH-JEANNE POPOVICI, ALINA SAPONAR.5. STUDIES ON THE PALLADIUM AND GOLD IONS EXTRACTION WITH SOME ESTER DERIVATIVES OF CALIX[N]ARENE. Authors: ALINA SAPONAR, ELISABETH-JEANNE POPOVICI, GABRIELA NEMEŞ.6. WOOD FIBERS CHARACTERIZATION BY TGA ANALYSIS. Authors: RALUCA ŞEPTELEAN, ALINA SAPONAR.