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(a) The molecular structure of Cu2+ mediated base pair; (b) Components of metallo-DNA-bridged SWCNT devices; (c) Current vs. gate voltage signals of a device reconnected with metallo-DNA (blue); (d) Current vs. gate voltage under periodic treatment of Cu2+ and EDTA. Reprinted with permission from ref. [112]. Copyright (2011) Wiley–VCH Verlag GmbH & Co. KGaA.
