Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Electrochemically Switchable Molecular-Tweezers.

Takashi Arimura1, Jung-Hee Do, Fumiaki Tanaka

  • 1National Institute of Advanced Industrial Science and Technology (AIST).

Journal of Oleo Science
|April 7, 2017
PubMed
Summary

Researchers developed an electrochemically triggered molecular tweezer. This synthetic receptor releases guests, like 1,4-diazabicyclo[2.2.2]octane (DABCO), upon oxidation.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Divergent self-assembly dynamics of squalene-derived bolaamphiphiles enabled by ethylene glycol-length-switchable Ostwald ripening.

RSC advances·2026
Same author

Haplotype analysis of spinocerebellar ataxia type 36 suggests a shared permissive core haplotype across populations.

Journal of human genetics·2026
Same author

Two scripts, two pathways: dorsal-ventral biases in post-stroke kana-kanji agraphia.

Brain : a journal of neurology·2026
Same author

Leptomeningeal Carcinomatosis Arising 29 Years After Gastrectomy: A Report of a Rare Autopsy Case.

Cureus·2026
Same author

Real-world outcomes and early discontinuation of foslevodopa/foscarbidopa in Parkinson's disease.

Journal of neurology·2026
Same author

TEM analysis of dicarboxylic acid-induced transition from unilamellar to multilamellar MEL-A vesicles.

Nanoscale horizons·2026

Area of Science:

  • Supramolecular Chemistry
  • Electrochemistry
  • Materials Science

Background:

  • Molecular tweezers are synthetic receptors with two binding sites.
  • Controlling guest release from molecular receptors is crucial for applications.

Purpose of the Study:

  • To report an electrochemically triggered molecular tweezer system.
  • To demonstrate electrostatic guest release using a calix[4]arene-bis-porphyrin conjugate.

Main Methods:

  • Synthesis of a calix[4]arene-bis-porphyrin conjugate.
  • Electrochemical studies to investigate guest binding and release.
  • Cyclic voltammetry to determine oxidation potentials.

Main Results:

  • The calix[4]arene-bis-porphyrin conjugate effectively complexes with 1,4-diazabicyclo[2.2.2]octane (DABCO).
  • Cooperative two-electron oxidation at 0.41 V triggers the release of DABCO.
  • The system demonstrates electrostatically induced guest release.

Conclusions:

  • Electrochemical control offers a novel method for guest release from molecular tweezers.
  • This proof-of-concept system highlights the potential of redox-switchable supramolecular architectures.

Related Experiment Videos