Enthalpy‐Driven Three‐State Switching of a Superhydrophilic/Superhydrophobic Surface
作者： Shutao Wang , Huajie Liu , Dongsheng Liu , Xinyong Ma , Xiaohong Fang
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摘要: Hereinwe present a responsive surface that can switch betweenstable superhydrophilic, metastable superhydrophobic, andstablesuperhydrophobicstatesbyanenthalpy-drivenprocess.This macroscopic phenomenon originates from thecollectivemotionofDNAnanodevices.Itsswitchingbehaviorcould provide model to understand biological behavior,suchasshort-andlong-termmemory,aswellashelpinthedesignofintelligentsurfaces.Traditional polymers usually involve anentropy-driven transformation one disordered stateinto another state in response an externalstimulus;however,biomoleculesmost probablyundergoanenthalpy-driven ordered intoanother perform various intelligent behav-iors,suchasgeneexpression.Owingtotheadvantagesofsite-to-site molecular recognition, DNA molecules have beenextensively investigated the field of smart nucleic acidnanodevices.
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