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. Author manuscript; available in PMC: 2019 Feb 6.
Published in final edited form as: Chem Soc Rev. 2017 Jul 31;46(15):4661–4708. doi: 10.1039/c6cs00542j

Fig. 1.

Fig. 1

Tapping mode AFM height images showing the morphology of C16-KTTKS at pH values of (a) pH 2, (b) pH 3, (c) pH 4, (d) pH 7. Reprinted with permission from ref. 76. Copyright 2013, Royal Society of Chemistry.