Dr. Araceli G. Campaña, Dr. Armando Carlone, Dr. Kai Chen, Dr. David T. F. Dryden, Prof. David A. Leigh, Urszula Lewandowska and Dr. Kathleen M. Mullen A Small Molecule that Walks Non-Directionally Along a Track Without External Intervention Angewandte Chemie International Edition 51
Charge of the light brigade: A molecule is able to walk back and forth upon a five-foothold pentaethylenimine track without external intervention. The 1D random walk is highly processive (mean step number 530) and exchange takes place between adjacent amine groups in a stepwise fashion. The walker performs a simple task whilst walking: quenching of the fluorescence of an anthracene group sited at one end of the track.
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