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Masaki Nakahata, Dr. Yoshinori Takashima, Dr. Akihito Hashidzume and Prof. Dr. Akira Harada Redox-Generated Mechanical Motion of a Supramolecular Polymeric Actuator Based on Host–Guest Interactions Angewandte Chemie International Edition 52

Version of Record online: 22 APR 2013 | DOI: 10.1002/anie.201300862

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A supramolecular hydrogel is formed by a water-soluble polymer cross-linked with host–guest inclusion complexes between cyclodextrin and ferrocene. Dissociation and re-formation of inclusion complexes by redox stimuli lead to macroscale expansion and contraction of the hydrogel. The gel is utilized as a redox-responsive actuator and the mechanical work done is evaluated.

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