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. Author manuscript; available in PMC: 2014 Dec 17.
Published in final edited form as: Acc Chem Res. 2013 Jul 30;46(12):10.1021/ar400061d. doi: 10.1021/ar400061d

Figure 1.

Figure 1

CP1 and CP4. a) Self-assembled nanotube structure of CP1 (most of the side chains are omitted for clarity). b) Electron microscopy low-magnification image of nanotube suspension adsorbed on a carbon support film (scale bar 1 µm); inset shows low-dose image enhancement of a single crystal and reveals the longitudinal striations that correspond to each nanotube. c) Cylindrical dimer of CP4. d) Crystal structure of D4 emphasizing the internalized water binding sites (blue rod).