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Macroscopic Self-Assembly and Self-Healing through Molecular Recognition

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Well-defined molecular-recognition events can be used to direct the assembly of macroscopic objects into larger aggregated structures. Acrylamide-based gels functionalized with either host (cyclodextrin) rings or small hydrocarbon-group guest moieties were synthesized. Pieces of host and guest gels are shown to adhere to one another through the mutual molecular recognition of the host and the guest groups on their surfaces. In addition, we have prepared supramolecular hydrogels by mixing host polymers and guest polymers containing ferrocene. The hydrogel shows self-healing properties which can be controlled by redox stimuli.

This talk is part of the BP Lectures 2012 series.

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