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Dr. Seung Hyeon Ko, Kan Du and Dr. J. Alexander Liddle Quantum-Dot Fluorescence Lifetime Engineering with DNA Origami Constructs Angewandte Chemie International Edition 52

Version of Record online: 23 DEC 2012 | DOI: 10.1002/anie.201206253

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Single-molecule GPS: The average photon count rate and lifetime of a quantum dot (Qdot) have been controlled by varying the geometrical configuration of Qdot–gold nanoparticle (AuNP) conjugates on DNA origami. With a 3D real-time single-molecule tracking system, which allows the DNA templates to be kept in their native state in solution, the influence of AuNPs on the Qdot lifetime is determined (see picture).

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