A novel NIR fluorescent probe for the double-site and ratiometric detection of SO2 derivatives and its applications

A novel NIR fluorescent probe for the double-site and ratiometric detection of SO2 derivatives and its applications

A feasible double-site near-infrared (NIR) fluorescent probe Q5 based on xanthenes was developed. Probe Q5 showed clearly HSO3− induced changes in the fluorescence ratio of two well-separated NIR and VIS peaks, showing excellent selectivity compared with other analytes. And the detection limit of th...

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Veröffentlicht in:New journal of chemistry 2019, Vol.43 (43), p.16806-16811
Hauptverfasser: Zhu, Jianming, Qin, Fengyun, Zhang, Di, Tang, Jun, Liu, Wenya, Cao, Wenbo, Ye, Yong
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Fluorescent indicators
Selectivity
Structural analysis
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container_end_page 16811
container_issue 43
container_start_page 16806
container_title New journal of chemistry
container_volume 43
creator Zhu, Jianming
Qin, Fengyun
Zhang, Di
Tang, Jun
Liu, Wenya
Cao, Wenbo
Ye, Yong
description A feasible double-site near-infrared (NIR) fluorescent probe Q5 based on xanthenes was developed. Probe Q5 showed clearly HSO3− induced changes in the fluorescence ratio of two well-separated NIR and VIS peaks, showing excellent selectivity compared with other analytes. And the detection limit of the probe for HSO3− was found to be 89 nM. Furthermore, fluorescence imaging experiments of HSO3− in CEM cells revealed that the probe has potential application value in biological systems.
doi_str_mv 10.1039/c9nj03997j
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source Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects Fluorescent indicators
Selectivity
Structural analysis
title A novel NIR fluorescent probe for the double-site and ratiometric detection of SO2 derivatives and its applications
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