Microfabricated Gold Aptasensors for the Label-Free Electrochemical Assay of Oxytetracycline Residues in Milk †. - Machairas, Vassilis; Anagnostoupoulos, Andreas; Soulis, Dionysios; Economou, Anastasios; Jakab, Kristóf; Melios, Nikitas; Keresztes, Zsófia; Tsekenis, George; Wang, Joseph; Speliotis, Thanassis (Engineering Proceedings, 2023)