Molecular switching involving metastable states: Molecular thermal hysteresis and sensing of environmental changes by chiral helicene oligomeric foldamers

Masanori Shigeno, Yo Kushida, Masahiko Yamaguchi

Research output: Contribution to journalReview articlepeer-review

39 Citations (Scopus)

Abstract

Molecular switching is a phenomenon in which the molecular structure reversibly changes in response to external stimulation. It is crucial in biology and is used in various biological sensing applications and responses. In contrast to the well-studied molecular switching involving two or more thermodynamically stable states, switching involving metastable states exhibits notable non-equilibrium thermodynamic properties. Synthetic chiral helicene oligomeric foldamers that exhibit molecular thermal hysteresis in dilute solution are examples. Molecular switching can be used for sensing environmental changes, including temperature threshold, temperature decrease/increase, rate of temperature decrease, counting the numbers 1 and 2, and concentration increase.

Original languageEnglish
Pages (from-to)4955-4970
Number of pages16
JournalChemical Communications
Volume52
Issue number28
DOIs
Publication statusPublished - 2016 Jan 1

ASJC Scopus subject areas

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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