A Smartphone-Based Chemosensor to Evaluate Antioxidants in Agri-Food Matrices by In Situ AuNP Formation. - Donato Calabria; Massimo Guardigli; Paolo Severi; Ilaria Trozzi; Andrea Pace; Stefano Cinti; Martina Zangheri; Mara Mirasoli (Sensors, 2021)