Ionic Coulomb blockade and anomalous mole fraction effect in the NaChBac bacterial ion channel and its charge-varied mutantsIgor Kh. Kaufman, Olena A. Fedorenko, Dmitri G. Luchinsky, William A.T. Gibby, Stephen K. Roberts, Peter V.E. McClintock and Robert S. EisenbergEPJ Nonlinear Biomed. Phys., 5 (2017) 4DOI: https://doi.org/10.1051/epjnbp/2017003