Microscopy from Scientific Research

AFM micrographs of Mg 2+ -triggered 3H-4DT-iSpi RNA origami. RNA was incubated for 2 h at 1 mM Mg(OAc) 2 (left) before transcription was triggered by increasing Mg(OAc) 2 to 6 mM and incubated for another 2 h (right). Scale bars, 200 nm. Panels c and d are images from lock-in phase channel. The corresponding height images are shown in Supplementary Fig. 1.

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