Determining the Nutrient Content of Hydroponically-Cultivated Microgreens with Immersible Silicon Photonic Sensors: A Preliminary Feasibility Study. - Aristi Christofi; Georgia Margariti; Alexandros Salapatas; George Papageorgiou; Panagiotis Zervas 001; Pythagoras Karampiperis; Antonis Koukourikos; Petros Tarantilis; Eleftheria H. Kaparakou; Konstantinos Misiakos; Eleni Makarona (Sensors, 2023)