Slot Waveguide Ring Resonators for Label-Free Detection of SARS-CoV-2 and RSV in the Near-Infrared Region. - Annabella la Grasta; María Isabél Gómez-Gómez; Amadeu Griol; Estefanía Gómez; Martino De Carlo; Raffaella Germinario; Teresa Natale; Vittorio M. N. Passaro; Alejandro Martínez; Francesco Dell'Olio (IWASI, 2025)