Rectification and voltage gating of ion currents in a nanofabricated poreZ. Siwy, Y. Gu, H. A. Spohr, D. Baur, A. Wolf-Reber, R. Spohr, P. Apel and Y. E. KorchevEurophys. Lett., 60 3 (2002) 349-355DOI: https://doi.org/10.1209/epl/i2002-00271-3