1. PHOTOPHYSICAL PARAMETERS FOR EL-4 CELLS INACTIVATION IN PHOTODYNAMIC THERAPY OF CANCER. Authors: RODICA-MARIANA ION, LUCIA SAVI, G. SAVI, V. I. R. NICULESCU.2. RADIATION - INDUCED DEGRADATION OF DNA IN PHOTODYNAMIC THERAPY OF CANCER. Authors: RODICA-MARIANA ION, F. SCARLAT, KERIMAN GUNAYDIN, V.I.R.NICULESCU, FL. SCARLAT.3. EXTENDED SPECTRAL ANALYSIS (FT-IR, EDXRF, ICP-EAS) OF CELLULOSE-BASED ARTIFACTS. Authors: SANDA MARIA DONCEA, RODICA-MARIANA ION, RADU CLAUDIU FIERASCU, IRINA DUMITRIU, ELENA BACALUM.