Electronic Signatures of all Four DNA Nucleosides in a Tunneling Gap Chang, Shuai ; Huang, Shuo ; He, Jin ; Liang, Feng ; Zhang, Peiming ; Li, Shengqing ; Chen, Xiang ; Sankey, Otto ; Lindsay, Stuart Abstract Publication: Nano Letters Pub Date: March 2010 DOI: 10.1021/nl1001185 Bibcode: 2010NanoL..10.1070C