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Updated: Aug 13, 2026
10:41
Capturing the Interaction Kinetics of an Ion Channel Protein with Small Molecules by the Bio-layer Interferometry Assay
Published on: March 7, 2018
Cooperative AND receptor for ion-pairs
Michael D Lankshear1, Andrew R Cowley, Paul D Beer
1Department of Chemistry, Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford, UK OX1 3QR.
Chemical Communications (Cambridge, England)
|February 1, 2006
Summary
This study introduces a novel receptor that binds anions and cations together. It selectively recognizes halide anions when paired with specific cations, showing unique ion-pair affinity.
Area of Science:
- Supramolecular Chemistry
- Host-Guest Chemistry
Background:
- Calix[4]diquinone receptors are known for their host-guest complexation abilities.
- Simultaneous binding of multiple guests can lead to unique chemical properties.
Purpose of the Study:
- To develop a novel heteroditopic receptor for simultaneous anion and cation binding.
- To investigate the binding selectivity and cooperative effects within the receptor-guest system.
Main Methods:
- Synthesis of a novel heteroditopic calix[4]diquinone receptor.
- Spectroscopic and binding studies to evaluate guest recognition.
- Investigation of cooperative binding phenomena.
Main Results:
- The receptor binds anions and cations simultaneously in a cooperative manner.
- Selective recognition of halide anions was observed only in the presence of specific cationic guests.
- The receptor displayed affinity for certain ion-pairs, even when individual ions showed no affinity.
Conclusions:
- The novel calix[4]diquinone receptor demonstrates unique cooperative binding capabilities.
- This receptor offers a new platform for selective ion-pair recognition.
- The findings have implications for sensing and separation technologies.
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