Single Molecule Studies of Cyclic Peptides Using ... - ACS Publications

Jul 1, 2010 - We report in this work the single molecule studies of cyclic peptide, cyclosporine A (CsA), using a molecular network formed by star-sha...
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Single molecule studies of cyclic peptides using molecular matrix at liquid/solid interface by scanning tunneling microscopy Yibing Wang†, Lin Niu†, Yibao Li, Xiaobo Mao, Yanlian Yang*, Chen Wang*

National Center for Nanoscience and Technology, Beijing 100190, P. R. China. †

These authors contributed equally to this work.

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Figure S1. (A) STM image of CsA molecules included in StOF-COOH3 molecular matrix (40.0 nm × 40.0 nm). Tunneling conditions: I = 48.8 pA, V = 949.7 mV. (B) STM image of CsA-Mg2+ complexes included in StOF-COOH3 molecular matrix (40.0 nm × 40.0 nm). Tunneling conditions: I = 60.0 pA, V = 912.8 mV.

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Figure S2. Large scale STM image of CsA-Mg2+ complexes included in StOF-COOH3 molecular matrix (70.0 nm × 70.0 nm). Tunneling conditions: I = 60.0 pA, V = 912.8 mV.

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