The DOI matches its Crossref record; 22 of the 22 references it cites were found in a registry or an index.
Flipping the Switch on Chloride Concentrations with a Light-Active Foldamer
Abstract
Here we demonstrate a bioinspired system where light stimulus is used to trigger the wavelength-dependent release and then reuptake of chloride ions in nonaqueous solutions. A chiral aryl-triazole foldamer with two azobenzene end groups has been synthesized to define a folded binding pocket for chloride ions that unfolds with UV light to liberate the chloride. The trans-dominated helical foldamer becomes less stable upon photoisomerization to the cis forms. Simultaneously, the observed binding affinity shows an ∼10-fold reduction from K = 3000 M(-1) (MeCN, 298 K). Control of chloride levels using light is demonstrated by switching the conductivity of an electrolyte solution up and down.
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Cites
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Self-citationPure CH Hydrogen Bonding to Chloride Ions: A Preorganized and Rigid Macrocyclic Receptor
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Self-citationHelicity Inversion in Responsive Foldamers Induced by Achiral Halide ion Guests
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Metadata
- Authors
- Hua, Y., & Flood, A. H.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-08-27
- Volume
- 132
- Issue
- 37
- Pages
- 12838-12840
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1984095450
- Cited by
- 259
- References
- 22
- FWCI
- 13.42
- Type
- journal article
- Language
- en
- Open access
- closed
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