A TBET-based ratiometric probe for Au3+ and its application in living cells

Xiang Han; Lei Zhao; Dong-En Wang; Juan Xu; Longlong Zhang; Mao-Sen Yuan; Qin Tu; Jinyi Wang

doi:10.1039/C5AN01932J

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A TBET-based ratiometric probe for Au³⁺ and its application in living cells†

Xiang Han,^a Lei Zhao,^b Dong-En Wang,^a Juan Xu,^a Longlong Zhang,^a Mao-Sen Yuan,^a Qin Tu^a and Jinyi Wang*^ab

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* Corresponding authors

^a College of Science, Northwest A&F University, Yangling, Shaanxi 712100, P. R. China
E-mail: jywang@nwsuaf.edu.cn
Fax: +86-298-708-2520
Tel: +86-298-708-2520

^b College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, P. R. China

Abstract

In this paper, we designed and synthesized a novel TBET-based ratiometric fluorescent chemodosimeter, RH-Au, for Au³⁺. It was found that the probe RH-Au displayed highly selective, sensitive and naked-eye detection upon the addition of Au³⁺. The probe RH-Au can be used in the pH range 6.0–7.5 and the detection limit was determined to be as low as 2.91 nM (0.57 ppb). We also demonstrated a successful application of imaging Au³⁺ in living cells using RH-Au.

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Article information

DOI: https://doi.org/10.1039/C5AN01932J
Article type: Paper
Submitted: 18 Sep 2015
Accepted: 28 Nov 2015
First published: 30 Nov 2015

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Analyst, 2016,141, 1098-1104

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A TBET-based ratiometric probe for Au³⁺ and its application in living cells

X. Han, L. Zhao, D. Wang, J. Xu, L. Zhang, M. Yuan, Q. Tu and J. Wang, Analyst, 2016, 141, 1098 DOI: 10.1039/C5AN01932J

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