On the right, the molecular structure of PEG 100k @α-CD polypseudorotaxane, illustrating the shuttling of α-cyclodextrin (α-CD) rings and the end-cap structures that prevent their release.
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Molecular motors in action: Visualizing α-cyclodextrin movement along polymer chainsImaging the PEG 100k @α-CD polypseudorotaxane showed a significantly longer (499.6 nm on average) and a more rigid structure, with the end-cap formations preventing the α-CD rings from slipping off.
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