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. Author manuscript; available in PMC: 2017 Jul 17.
Published in final edited form as: Chemistry. 2014 Apr 1;20(20):5866–5873. doi: 10.1002/chem.201304891

Figure 2.

Figure 2

DNA displacement reaction and its applications in constructing logical systems. A) Scheme of a three-input majority gate based on toehold-mediated DNA strand displacement reactions (reprinted by permission from reference [8], copyright 2013, American Chemical Society). B) Abstract diagram for a square-root circuit implemented with the logical DNA motif based on toehold-exchange DNA strand displacement reactions (from reference [12], reprinted with permission from AAAS). C) Scheme of programming chemical reactions using short single strands of DNA (reprinted by permission from reference [13], Macmillan Publishers Ltd., Nat. Nanotechnol., copyright 2013).