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. 2015 Sep 24;9(11):10598–10611. doi: 10.1021/acsnano.5b04173

Figure 4.

Figure 4

Stepwise displacement of dsDNA trapped by a single hot spot. (a–c) All-atom MD simulation of dsDNA displacement at a constant 0.5 V transmembrane bias and a pulsing plasmonic field. In panel a, a constant plasmonic field is applied for the entire duration of the simulation. In panels b and c, the top and bottom figures show the duty cycle of the incident laser beam and the simulated displacement of the DNA molecule, respectively. (d) Sequence of snapshots illustrating the conformation of dsDNA at the end of each plasmonic field pulse corresponding to the simulation performed at Ttrap = 5 ns / Trel = 5 ns duty cycle of the plasmonic field. The white arrows indicate the location of the same DNA base pair. Movie S5 illustrates this MD trajectory.