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. Author manuscript; available in PMC: 2014 Feb 1.
Published in final edited form as: Nano Today. 2013 Feb;8(1):56–74. doi: 10.1016/j.nantod.2012.12.008

Figure 8. Electron tunneling approach for single base detection.

Figure 8

(A) Electron tunneling approach using a benzamide recognition group to identify single bases within a short DNA oligomer d(CCACC). A characteristic signal given by the shortest tunneling path is highlighted for the connection to the single A in d(CCACC). (B) Schematic of concurrent tunneling detection and ionic current detection of DNA molecules in a SiN nanopore platform. Figures reproduced with permissions from: (A) Ref [111], © Nature Publishing Group; (B) Ref. [112], © American Chemical Society.