Issue 21, 2019

Room-temperature phosphorescent γ-cyclodextrin-cucurbit[6]uril-cowheeled [4]rotaxanes for specific sensing of tryptophan

Abstract

Room temperature phosphorescent (RTP) γ-CD-CB[6]-cowheeled [4]rotaxanes were synthesized by implanting a naphthalene axle into the cavity of iodine-substituted γ-CDs. The strong green RTP was quenched exclusively by Trp while no RTP quenching was observed with other major physiological amino acids or with the Trp-containing protein HSA, demonstrating a highly specific sensing of free Trp.

Graphical abstract: Room-temperature phosphorescent γ-cyclodextrin-cucurbit[6]uril-cowheeled [4]rotaxanes for specific sensing of tryptophan

Associated articles

Supplementary files

Article information

Article type
Communication
Submitted
05 Jan 2019
Accepted
14 Feb 2019
First published
15 Feb 2019

Chem. Commun., 2019,55, 3156-3159

Room-temperature phosphorescent γ-cyclodextrin-cucurbit[6]uril-cowheeled [4]rotaxanes for specific sensing of tryptophan

X. Yu, W. Liang, Q. Huang, W. Wu, J. J. Chruma and C. Yang, Chem. Commun., 2019, 55, 3156 DOI: 10.1039/C9CC00097F

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