1. SPECIFIC SURFACE AREA OF HEAT TREATED ILLITIC MINERAL CLAY. Authors: A. VULPOI, C. IONESCU, VIORICA SIMON.2. PHYSICAL PROPERTIES OF MINERAL NANOSTRUCTURED CLAYS FOR MEDICAL APPLICATIONS. Authors: M. TĂMĂŞAN, A. VULPOI.3. SYNTHESIS AND ANALYSIS OF SOL-GEL DERIVED BIOGLASSES INCORPORATING SILVER. Authors: A. VULPOI, M. TĂMĂŞAN.4. INFLUENCE OF ETHYL SILICATE ON THE STRUCTURAL AND MORPHOLOGICAL PROPERTIES OF CALCIUM-PHOSPHATE SOL-GEL DERIVED GLASSES. Authors: A. VULPOI, S. SIMON.5. MICROSTRUCTURAL PROPERTIES OF SOL-GEL DERIVED BIOGLASSES CONVENTIONALLY STABILIZED BY CALCINATION VERSUS REPEATED IMMERSION IN VOLATILE SOLVENT. Authors: A. VULPOI.6. CHITOSAN-COATED BIMETALLIC GOLD-SILVER NANOPARTICLES: SYNTHESIS, CHARACTERIZATION AND SERS ACTIVITY. Authors: S. ASTILEAN, A. VULPOI, S. SUARASAN, M. POTARA, A.-M. HADA.