A biosensing system based on extracellular potential recording of ligand-gated ion channel function overexpressed in insect cells - Aizawa, Masuo.; Bongsebandhu-Phubhakdi, Saknan.; Haruyama, Tetsuya.; Keinenen, Kari.; Kobatake, Eiry.; Mottershead, David.; Nakamura, Ibuki.