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. PM6 MODELING OF ALPHA HELICAL POLYPEPTIDE STRUCTURES. Authors: RADU SILAGHI-DUMITRESCU, ALEXANDRU LUPAN, ATTILA-ZSOLT KUN.3. CAN GEOMETRICAL DISTORTIONS MAKE A LACCASE CHANGE COLOR FROM BLUE TO YELLOW?. Authors: RADU SILAGHI-DUMITRESCU, AUGUSTIN C. MOȚ, CSONGOR MÁTYÁS, ALEXANDRU LUPAN.4. THE EFFECT OF ELECTRON-RICH HETEROATOMS IN METALLABORANE CLUSTERS. Authors: R. BRUCE KING, AMR A.A. ATTIA, ALEXANDRU LUPAN.5. COMPUTATIONAL INVESTIGATION OF SPECTROSCOPIC PARAMETERS IN PUTATIVE SECONDARY STRUCTURE ELEMENTS FOR POLYLACTIC ACID AND COMPARISON WITH EXPERIMENT. Authors: IZABELLA IRSAI, ALEXANDRU LUPAN, CORNELIA MAJDIK, RADU SILAGHI-DUMITRESCU.6. WEAK INTERACTIONS BETWEEN HYDRACIDS / BINARY ACIDS: SOME CONSIDERATIONS FROM A DFT ANALYSIS. Authors: LUANA RADU, ALEXANDRU LUPAN, MARIA LEHENE, RADU SILAGHI-DUMITRESCU.