Conformational Change of Self-Assembled DNA Nanotubes Induced by Two-Photon Excitation

Ziwen Dai, Dick Yan Tam, Hailiang Xu, Miu Shan Chan, Ling Sum Liu, Frédéric Bolze*, Xiao Hua Sun, Pik Kwan Lo*

*Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

24 Citations (Scopus)

Abstract

Two-photon-regulated, shape-changing DNA nanostructures are demonstrated by integrating a DNA nanotube with a two-photon photocleavable module that enables the opening of the cavities of tube, and becomes partially single-stranded in response to two-photon excitation under 800 nm fs laser pulses.
Original languageEnglish
Pages (from-to)4090-4096
JournalSmall
Volume11
Issue number33
Online published26 May 2015
DOIs
Publication statusPublished - 2 Sept 2015

Research Keywords

  • conformational changes
  • DNA nanotubes
  • photocleavage
  • photoresponse
  • two-photon excitation

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