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    Construction and Degradation of Polyrotaxane Multilayers

    Year: 2011

    Journal: Advanced Materials, Volume 23, Issue 27, pages 3026–3029, July 19, 2011, 20111207

    Authors: Dam H.H, Caruso F.

    Last authors: Frank Caruso

    Organizations: Department of Chemical and Biomolecular Engineering, The University of Melbourne, Victoria 3010, Australia

    Country: Australia

    Polyrotaxanes consisting of -cyclodextrin and poly(ethylene glycol) are versatile building blocks for the construction and controlled degradation of multilayers. Degradation is based on "unlocking" the -cyclodextrins by disulfide cleavage of the polyrotaxane capping groups. This disrupts the multivalent intermolecular interactions between the layers, leading to degradation.