Issue 21, 2019
From the journal:

Chemical Communications

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

Xingke Yu,a   Wenting Liang,ab   Qinfei Huang,a   Wanhua Wu,a   Jason J. Chruma ORCID logo ac  and  Cheng Yang ORCID logo *a  

* Corresponding authors

a Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, State Key Laboratory of Biotherapy, and Healthy Fosod Evaluation Research Center, Sichuan University, Chengdu 610064, China
E-mail: yangchengyc@scu.edu.cn

b Institute of Environmental Science, Department of Chemistry, Shanxi University, Taiyuan 030006, China

c Sino-British Materials Research Institute, College of Physical Sciences & Technology, Sichuan University, Chengdu 610064, China

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

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Article information

DOI
https://doi.org/10.1039/C9CC00097F
Article type
Communication
Submitted
05 Jan 2019
Accepted
14 Feb 2019
First published
15 Feb 2019

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

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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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