“Turn-on” Fluorescence Detection of Lead Ions Based on Accelerated Leaching of Gold Nanoparticles on the Surface of Graphene

2012 ◽  
Vol 4 (2) ◽  
pp. 1080-1086 ◽  
Author(s):  
Xiuli Fu ◽  
Tingting Lou ◽  
Zhaopeng Chen ◽  
Meng Lin ◽  
Weiwei Feng ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Fluorescence Detection ◽  
Lead Ions ◽  
Turn On ◽  
Accelerated Leaching

Turn-on and label-free fluorescence detection of lead ions based on target-induced G-quadruplex formation

2015 ◽  
Vol 51 (38) ◽  
pp. 8165-8168 ◽  
Author(s):  
Lijun Xu ◽  
Xiaoqiang Shen ◽  
Shanni Hong ◽  
Jine Wang ◽  
Yuanyuan Zhang ◽  
...  
Keyword(s):  
Fluorescence Detection ◽  
High Sensitivity ◽  
Lead Ions ◽  
Label Free ◽  
Low Background ◽  
Background Fluorescence ◽  
Turn On ◽  
Sensing Systems ◽  
G Quadruplex ◽  
Quadruplex Formation

Using a guanine-rich sequence (AGRO100) and N-methyl mesoporphyrin IX (NMM), a turn-on and label-free fluorescent Pb2+ sensor with high sensitivity and low background fluorescence was presented as a representative of five turn-on sensing systems.

Peroxidase mimicking DNA–gold nanoparticles for fluorescence detection of the lead ions in blood

The Analyst ◽  
2012 ◽  
Vol 137 (22) ◽  
pp. 5222 ◽  
Author(s):  
Chi-Lin Li ◽  
Chih-Ching Huang ◽  
Wei-Hsi Chen ◽  
Cheng-Kang Chiang ◽  
Huan-Tsung Chang
Keyword(s):  
Gold Nanoparticles ◽  
Fluorescence Detection ◽  
Lead Ions

scholarly journals Enhanced Turn-On Fluorescence Detection of Aqueous Lead Ions with Size-Shrinkable Hydrogels

ACS Omega ◽  
2021 ◽  
Author(s):  
Yiting Zheng ◽  
Qingxuan Li ◽  
Chenfei Wang ◽  
Ming Su
Keyword(s):  
Fluorescence Detection ◽  
Lead Ions ◽  
Turn On

Colorimetric and fluorescence “turn-on” methods for the sensitive detection of bromelain using carbon dots functionalized gold nanoparticles as a dual probe

RSC Advances ◽  
2016 ◽  
Vol 6 (38) ◽  
pp. 32025-32036 ◽  
Author(s):  
Karuna A. Rawat ◽  
Rakesh Kumar Singhal ◽  
Suresh Kumar Kailasa
Keyword(s):  
Gold Nanoparticles ◽  
Fluorescence Spectroscopy ◽  
Fluorescence Detection ◽  
Carbon Dots ◽  
Limit Of Detection ◽  
Functionalized Gold Nanoparticles ◽  
Turn On ◽  
Uv Visible ◽  
Fluorescence Turn On ◽  
Dual Probe

Carbon dots were functionalized on the surfaces of gold nanoparticles for the colorimetric and fluorescence detection of bromelain. The limit of detection for bromelain was 18.9 nM and 0.52 nM using UV-visible and fluorescence spectroscopy, respectively.

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.

Sensitive detection of lead ions using sodium thiosulfate and surfactant-capped gold nanoparticles

2015 ◽  
Vol 10 (1) ◽  
pp. 65-73 ◽  
Author(s):  
Nguyen Le Thao Nguyen ◽  
Eun Joo Kim ◽  
Suk-Kyu Chang ◽  
Tae Jung Park
Keyword(s):  
Gold Nanoparticles ◽  
Sodium Thiosulfate ◽  
Sensitive Detection ◽  
Lead Ions
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