Single-layer MnO2 nanosheet quenched fluorescence ruthenium complexes for sensitive detection of ferrous iron

RSC Advances ◽  
2016 ◽  
Vol 6 (82) ◽  
pp. 79204-79208 ◽  
Author(s):  
Xing He ◽  
Xiaoxiao Yang ◽  
Luo Hai ◽  
Dinggeng He ◽  
Xiaoxiao He ◽  
...  

Single-layer MnO2 nanosheet quenched fluorescence Ru(bipy)32+ complexes are established as turn-on fluorescence sensors for sensitive and label-free probing of ferrous iron in aqueous solutions, as well as living cells.

2015 ◽  
Vol 51 (79) ◽  
pp. 14764-14767 ◽  
Author(s):  
Dinggeng He ◽  
Xiaoxiao Yang ◽  
Xiaoxiao He ◽  
Kemin Wang ◽  
Xue Yang ◽  
...  

A sensitive turn-on fluorescent sensor based on single-layer MnO2 nanosheet-quenched fluorescent carbon dots has been developed for rapid and selective sensing of glutathione in aqueous solutions, as well as in living cells.


2019 ◽  
Vol 43 (33) ◽  
pp. 13143-13151 ◽  
Author(s):  
Shimeng Liu ◽  
Changyin Lv ◽  
Ran Liu ◽  
Guiying Yang ◽  
Shiya Li ◽  
...  

The principle of sensitive detection of glucose in human serum using Bro-AuNCs @MnO2 nanocomposites as a fluorescent sensor.


2018 ◽  
Vol 2018 ◽  
pp. 1-8 ◽  
Author(s):  
Xiaohua Ma ◽  
Guoguang Wu ◽  
Yuehua Zhao ◽  
Zibo Yuan ◽  
Yu Zhang ◽  
...  

We reported here a turn-on fluorescent probe (1) for the detection of cysteine (Cys) by incorporating the recognition unit of 2,4-dinitrobenzenesulfonyl ester (DNBS) to a coumarin derivative. The structure of the obtained probe was confirmed by NMR and HRMS techniques. The probe shows a remarkable fluorescence off-on response (∼52-fold) by the reaction with Cys in 100% aqueous buffer. The sensing mechanism was verified by the HPLC test. Probe 1 also displays high selectivity towards Cys. The detection limit was calculated to be 23 nM. Moreover, cellular experiments demonstrated that the probe is highly biocompatible and can be used for monitoring intracellular Cys.


The Analyst ◽  
2016 ◽  
Vol 141 (8) ◽  
pp. 2600-2605 ◽  
Author(s):  
Xiaomei Liu ◽  
Shuang Liu ◽  
Gaolin Liang

A water-soluble, biocompatible, small molecular fluorescent turn-on probe was developed for the highly selective and sensitive detection of NO in vitro and in living cells.


RSC Advances ◽  
2019 ◽  
Vol 9 (28) ◽  
pp. 15926-15932
Author(s):  
Lei Jin ◽  
Xiaoxue Tan ◽  
Lihui Dai ◽  
Liqiang Sheng ◽  
Qingming Wang

A new probe, EDPC, was designed and synthesized for highly specific and sensitive detection of ClO− with a fast response time in living cells.


2015 ◽  
Vol 3 (1) ◽  
pp. 127-134 ◽  
Author(s):  
Minhuan Lan ◽  
Jinfeng Zhang ◽  
Ying-San Chui ◽  
Hui Wang ◽  
Qingdan Yang ◽  
...  

Hg2+quenched CNPs (CNP-Hg2+) as a highly sensitive and selective reversible probe for the detection of mercapto biomolecules in aqueous solutions and in living cells.


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