[KM-7-3] Valinomycin-Modified Graphene Field-Effect Transistors for Potassium Ion Sensors Y. Sofue1、Y. Ohno1、K. Maehashi1、K. Inoue1、K. Matsumoto1 (1.Osaka Univ. , Japan) https://doi.org/10.7567/SSDM.2011.KM-7-3