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Mingxu You, Dr. Yan Chen, Prof. Dr. Xiaobing Zhang, Dr. Haipeng Liu, Dr. Ruowen Wang, Dr. Kelong Wang, Dr. Kathryn R. Williams and Prof. Dr. Weihong Tan Inside Back Cover: An Autonomous and Controllable Light-Driven DNA Walking Device (Angew. Chem. Int. Ed. 10/2012) Angewandte Chemie International Edition 51

Version of Record online: 1 FEB 2012 | DOI: 10.1002/anie.201108871

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A nanorobot is able to perform autonomous locomotion and control the initiation, termination, and velocity by light. In their Communication on page 2457 ff., X. Zhang, W. Tan, and co-workers report the design of a DNA walking device by incorporating photosensitive moieties within DNA enzyme analogue structures. Based on the phenomenon of pyrene-assisted photolysis of disulfide bonds, this nanorobot shows the operational freedom and mechanical speed reminiscent of protein motors.

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