A DNA origami rotary ratchet motor - Nature

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Nature research paper: A DNA origami rotary ratchet motor

Exemplary single motor particle trajectory, AC field first off, then on . Left, raw video of an exemplary single particle. Yellow cross indicates tracked position of rotor arm tip. The particle effectively rotates in CW direction when switching the AC field on. Right, cumulative angular displacement of rotor tip. The original video was acquired with 250 frames per second. Total frames collected: 10,082; video time: 40.328 s. Every second frame of original image stack was exported.

Exemplary single motor particle trajectory seen during AC voltage sweep . Left, raw video of an exemplary single particle. Yellow cross indicates tracked position of rotor arm tip. The AC voltage was increased stepwise from 0 V to 60 V and then shut off again. Right, cumulative angular displacement. The original video was acquired with 250 frames per second. Total frames collected: 12,000; video time: 48 s. Every second frame of original image stack was exported.

 

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