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Open–closed switching of synthetic tubular pores

Author

Listed:
  • Yongju Kim

    (State Key Laboratory for Supramolecular Structure and Materials, College of Chemistry, Jilin University)

  • Jiheong Kang

    (School of Engineering, The University of Tokyo)

  • Bowen Shen

    (State Key Laboratory for Supramolecular Structure and Materials, College of Chemistry, Jilin University)

  • Yanqiu Wang

    (State Key Laboratory for Supramolecular Structure and Materials, College of Chemistry, Jilin University)

  • Ying He

    (State Key Laboratory for Supramolecular Structure and Materials, College of Chemistry, Jilin University)

  • Myongsoo Lee

    (State Key Laboratory for Supramolecular Structure and Materials, College of Chemistry, Jilin University)

Abstract

While encouraging progress has been made on switchable nanopores to mimic biological channels and pores, it remains a great challenge to realize long tubular pores with a dynamic open–closed motion. Here we report μm-long, dynamic tubular pores that undergo rapid switching between open and closed states in response to a thermal signal in water. The tubular walls consist of laterally associated primary fibrils stacked from disc-shaped molecules in which the discs readily tilt by means of thermally regulated dehydration of the oligoether chains placed on the wall surfaces. Notably, this pore switching mediates a controlled water-pumping catalytic action for the dehydrative cyclization of adenosine monophosphate to produce metabolically active cyclic adenosine monophosphate. We believe that our work may allow the creation of a variety of dynamic pore structures with complex functions arising from open–closed motion.

Suggested Citation

  • Yongju Kim & Jiheong Kang & Bowen Shen & Yanqiu Wang & Ying He & Myongsoo Lee, 2015. "Open–closed switching of synthetic tubular pores," Nature Communications, Nature, vol. 6(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9650
    DOI: 10.1038/ncomms9650
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