A Lead(II)-Driven DNA Molecular Device for Turn-On Fluorescence Detection of Lead(II) Ion with High Selectivity and Sensitivity

2010 ◽  
Vol 132 (38) ◽  
pp. 13156-13157 ◽  
Author(s):  
Tao Li ◽  
Shaojun Dong ◽  
Erkang Wang
Keyword(s):  
Fluorescence Detection ◽  
High Selectivity ◽  
Molecular Device ◽  
Turn On

A reversible metal ion fueled DNA three-way junction molecular device for “turn-on and -off” fluorescence detection of mercury ions (II) and biothiols respectively with high selectivity and sensitivity

Nanoscale ◽  
2015 ◽  
Vol 7 (43) ◽  
pp. 18044-18048 ◽  
Author(s):  
Long Ma ◽  
Guanrong Wu ◽  
Yufeng Li ◽  
Ping Qin ◽  
Lingpei Meng ◽  
...  
Keyword(s):  
Fluorescence Detection ◽  
Metal Ion ◽  
High Selectivity ◽  
Molecular Device ◽  
Mercury Ions ◽  
Turn On

A reversible molecular device in the nanoscale based on a DNA three-way junction (3WJ) fueled by Hg2+ binding and sequestration.

scholarly journals A Highly Selective Turn-On Fluorescent Probe for the Detection of Zinc

Molecules ◽  
2021 ◽  
Vol 26 (13) ◽  
pp. 3825
Author(s):  
Ling-Yi Shen ◽  
Xiao-Li Chen ◽  
Xian-Jiong Yang ◽  
Hong Xu ◽  
Ya-Li Huang ◽  
...  
Keyword(s):  
High Selectivity ◽  
Fluorescence Probe ◽  
Stoichiometric Ratio ◽  
X Ray Diffraction ◽  
X Ray ◽  
Turn On ◽  
Imine Nitrogen ◽  
System A ◽  
Plot Analysis ◽  
L System

A novel turn-on fluorescence probe L has been designed that exhibits high selectivity and sensitivity with a detection limit of 9.53 × 10−8 mol/L for the quantification of Zn2+. 1H-NMR spectroscopy and single crystal X-ray diffraction analysis revealed the unsymmetrical nature of the structure of the Schiff base probe L. An emission titration experiment in the presence of different molar fractions of Zn2+ was used to perform a Job’s plot analysis. The results showed that the stoichiometric ratio of the complex formed by L and Zn2+ was 1:1. Moreover, the molecular structure of the mononuclear Cu complex reveals one ligand L coordinates with one Cu atom in the asymmetric unit. On adding CuCl2 to the ZnCl2/L system, a Cu-Zn complex was formed and a strong quenching behavior was observed, which inferred that the Cu2+ displaced Zn2+ to coordinate with the imine nitrogen atoms and hydroxyl oxygen atoms of probe L.

Fabrication of an “ion-imprinting” dual-emission quantum dot nanohybrid for selective fluorescence turn-on and ratiometric detection of cadmium ions

The Analyst ◽  
2016 ◽  
Vol 141 (20) ◽  
pp. 5886-5892 ◽  
Author(s):  
Jing Wang ◽  
Chenxing Jiang ◽  
Xiaoqi Wang ◽  
Ligeng Wang ◽  
Aimin Chen ◽  
...  
Keyword(s):  
Quantum Dot ◽  
Fluorescence Detection ◽  
Ratiometric Fluorescence ◽  
Dual Emission ◽  
Cadmium Ions ◽  
Turn On ◽  
Ratiometric Detection ◽  
Ion Imprinting ◽  
Fluorescence Turn On

A new CdTe@SiO2@CdSe nanohybrid was demonstrated for the ratiometric fluorescence detection of Cd2+via the turn-on model and “ion-imprinting” technique.

Colorimetric and Fluorescent Probe for Hypochlorite with High Selectivity

2013 ◽  
Vol 295-298 ◽  
pp. 475-478 ◽  
Author(s):  
Zhi Xiang Han ◽  
Ming Hui Du ◽  
Guo Xi Liang ◽  
Xiang Yang Wu
Keyword(s):  
Reactive Oxygen Species ◽  
Aqueous Solution ◽  
Detection Limit ◽  
Fluorescent Probe ◽  
Rhodamine B ◽  
High Selectivity ◽  
Reactive Oxygen ◽  
Living Cells ◽  
Oxygen Species ◽  
Turn On

Rhodamine B thiohydrazide (RBS) was firstly employed as turn-on fluorescent probe for hypochlorite in aqueous solution and living cells. It exhibits a stable response to hypochlorite from 1.0×10-6to 1.0×10-5M with a detection limit of 3.3×10-7M. The response of this probe to hypochlorite is fast and highly selective compared with other reactive oxygen species (such as.OH,1O2, H2O2) and other common anions (such as X-, ClO2-, ClO4-, NO3-, NO2-, OH-, Ac-, CO32-, SO42-).

A biacylhydrazone-based chemosensor for fluorescence ‘turn-on’ detection of Al3+ with high selectivity and sensitivity

2018 ◽  
Vol 31 (2) ◽  
pp. 80-88 ◽  
Author(s):  
Xiao-Mei Jiang ◽  
Wen-Hui Mi ◽  
Wei Zhu ◽  
Hong Yao ◽  
You-Ming Zhang ◽  
...  
Keyword(s):  
High Selectivity ◽  
Turn On ◽  
Fluorescence Turn On

Synthesis of Schiff base-Based 1,2,4-Oxadiazole Derivative as Fluorescence Turn-On Sensor for High Selectivity of Pb2+

2015 ◽  
Vol 25 (3) ◽  
pp. 557-561 ◽  
Author(s):  
Wei Liu ◽  
Guangyu Wu ◽  
Xiaomin Gu ◽  
Xiaosheng Yuan ◽  
Jueyong Li ◽  
...  
Keyword(s):  
Schiff Base ◽  
High Selectivity ◽  
Turn On ◽  
Fluorescence Turn On
Sign in / Sign up

Export Citation Format

Share Document