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Single-molecule determination of chemical equilibrium of DNA intercalation by electrical conductance.

Lu ZhangSatoshi KanekoShintaro FujiiManabu KiguchiTomoaki Nishino
Published in: Chemical communications (Cambridge, England) (2021)
We investigated a single-molecule reaction of DNA intercalation as an example of a bimolecular association reaction. Single-molecule conductance values of the product and reactant molecules adsorbed on an Au surface were measured to identify and quantify these molecules. The binding isotherm was constructed, and the association constant of the reaction was determined on a single-molecule basis.
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