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. Author manuscript; available in PMC: 2020 Nov 20.
Published in final edited form as: J Am Chem Soc. 2019 Nov 11;141(46):18385–18389. doi: 10.1021/jacs.9b09019

Figure 2.

Figure 2.

Mechanical unfolding of host-guest complexes. (A) Typical extending (colored) and relaxing (black) force-extension curves (left) and rupture force (RF) histograms (right) for cucurbit[7]uril (CB7)-neutral adamantane (Ad, compound iii in Figure 1B) complex (upper panel) and β-cyclodextrin (βCD)–Ad complex (lower panel). (B) Typical extending (colored) and relaxing (black) force-extension curves (left) and rupture force (RF) histograms (right) for the CB7 – positively charged Ad+ (Figure 1B, iv) complex (upper panel) and βCD–Ad+ complex (lower panel). (C) Schematics of two distinct models of host-guest interactions. Hexyl group is shown in green. N depicts number of data points.