Institution: | 1. Nanoscale Bioelectrical Characterization Group, Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Carrer Baldiri i Reixac 11–15, Barcelona, 08028 Spain;2. Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus UAB Cerdanyola del Vallès, Barcelona, 08193 Spain;3. Department of Physics and Astronomy and National Graphene Institute, The University of Manchester, Manchester, M13 9PL UK |