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. Author manuscript; available in PMC: 2008 Sep 15.
Published in final edited form as: J Am Chem Soc. 2007 Apr 11;129(17):5462–5471. doi: 10.1021/ja067819i

Figure 2.

Figure 2

Transmission electron micrographs of polymer 5 negatively stained with 1% phosphotungstic acid (PTA). The three panels are representative fields from the same carbon grid. Arrows indicate individual polymer molecules.