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Guangyan Du, Dr. Emilie Moulin, Dr. Nicolas Jouault, Prof. Dr. Eric Buhler and Prof. Dr. Nicolas Giuseppone Muscle-like Supramolecular Polymers: Integrated Motion from Thousands of Molecular Machines Angewandte Chemie International Edition 51

Version of Record online: 18 OCT 2012 | DOI: 10.1002/anie.201206571

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Pumping iron: Double-threaded rotaxanes can be linked to coordination units and polymerized in the presence of iron or zinc ions. pH modulation triggers cooperative contractions (or extensions) of the individual rotaxanes, thus resulting in an amplified motion of the muscle-like supramolecular chains with changes of their contour lengths of several micrometers (see picture).

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