1. PH DEPENDENCE OF THE FREE AND ADSORBED PAPAVERINE MOLECULAR SPECIES. VIBRATIONAL APPROACH. Authors: N. LEOPOLD, SIMONA CINTĂ PÂNZARU, M. BAIA, C. LEHENE, O. COZAR, WOLFGANG KIEFER.2. ANTI-TUMORAL BETULIN DETECTION BY SURFACE ENHANCED RAMAN SCATTERING. Authors: N. LEOPOLD, C. LEHENE, VASILE CHIŞ, SIMONA CINTĂ PÂNZARU.