A colorimetric and near -infrared ratiometric fluorescent probe for the determination of endogenous tyrosinase activity based on cyanine aggregation

The Analyst ◽  
2019 ◽  
Vol 144 (18) ◽  
pp. 5472-5478 ◽  
Author(s):  
Peng Zhang ◽  
Shasha Li ◽  
Caixia Fu ◽  
Qian Zhang ◽  
Yuzhe Xiao ◽  
...  

A ratiometric fluorescent probe for TYR activity with high sensitivity was developed based on the H-aggregation of a cyanine dye.

2019 ◽  
Vol 7 (3) ◽  
pp. 443-450 ◽  
Author(s):  
Qian Zhang ◽  
Shasha Li ◽  
Caixia Fu ◽  
Yuzhe Xiao ◽  
Peng Zhang ◽  
...  

A NIR ratiometric fluorescent probe based on cyanine dye was developed for detecting and intracellular imaging of ALP activity with high sensitivity.


2020 ◽  
Vol 44 (11) ◽  
pp. 4554-4557 ◽  
Author(s):  
Shaohui Han ◽  
Xiuxiu Yue ◽  
Jingpei Wang ◽  
Yun Zhang ◽  
Benhua Wang ◽  
...  

A novel near-infrared ratiometric fluorescent probe MQC (λem = 715 nm) for SO2 detection was developed with a large emission shift (245 nm) and high sensitivity and selectivity.


RSC Advances ◽  
2019 ◽  
Vol 9 (53) ◽  
pp. 30943-30951 ◽  
Author(s):  
Jingrui Li ◽  
Aijun Gong ◽  
Guoqing Shi ◽  
Chengwen Chai

Based on the ESIPT fluorescence mechanism, herein, a novel ratiometric fluorescent probe was designed and synthesized for the detection of HClO.


2019 ◽  
Vol 7 (5) ◽  
pp. 809-814 ◽  
Author(s):  
Yong Zhou ◽  
Li Zhang ◽  
Xuan Zhang ◽  
Zhi-Jia Zhu

A novel NIR ratiometric fluorescent probe HBT-GSH was developed for the selective detection of GSH over Cys and Hcy in aqueous solution. The signaling mechanism of the GSH-induced removal of an acetyl group and the switching on of ICT fluorescence was proposed.


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