Nanomechanical actuation driven by light-induced DNA fuel

摘要

We report the reversible nanomechanical actuation of a micro-cantilever driven by the light irradiation-induced conformational changes of i-motif DNA chains, which are functionalized on the cantilever's surface. It is shown that light irradiation-driven nanomechanical actuation can be manipulated using DNA hybridization and/or ionic concentrations.