1. CHITOSAN-COATED BIMETALLIC GOLD-SILVER NANOPARTICLES: SYNTHESIS, CHARACTERIZATION AND SERS ACTIVITY. Authors: S. ASTILEAN, A. VULPOI, S. SUARASAN, M. POTARA, A.-M. HADA.2. ENGINEERED PAPER PLATFORM LOADED WITH GOLD NANOSPHERES TO IMPROVE SERS PERFORMANCE FOR ANALYTE DETECTION. Authors: M. FOCSAN, S. ASTILEAN, S. SUARASAN, A. CAMPU, F. ORZAN.