Abstract
The cover picture shows fluorescence resonance energy transfer (FRET) between single‐molecule quantum dots (green) as donors and organic acceptors (red). The conformational dynamics of a DNA four‐way junction tagged with this FRET pair are observed. Recent discovery of quantum‐dot blinking suppression opened up new opportunities to observe single‐molecule conformational changes using long‐lasting, ultrabright quantum dots. In their article on page 956 T. Ha and S. Hohng show that single‐molecule structural dynamics can be reliably probed using these quantum dots.
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