Opposite Effects of Flexible Single-Stranded DNA Regions and Rigid Loops in DNAzyme on Colloidal Nanoparticle Stability for “Turn-On” Plasmonic Detection of Lead Ions

2020 ◽  
Vol 3 (10) ◽  
pp. 7003-7010 ◽  
Author(s):  
Wenhui Diao ◽  
Guoqing Wang ◽  
Luyang Wang ◽  
Lan Zhang ◽  
Shansen Ding ◽  
...  
Keyword(s):  
Lead Ions ◽  
Single Stranded Dna ◽  
Nanoparticle Stability ◽  
Turn On

“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

A turn-on near-infrared fluorescent chemosensor for selective detection of lead ions based on a fluorophore–gold nanoparticle assembly

The Analyst ◽  
2015 ◽  
Vol 140 (12) ◽  
pp. 4001-4006 ◽  
Author(s):  
Shaozhen Wang ◽  
Junyong Sun ◽  
Feng Gao
Keyword(s):  
Gold Nanoparticle ◽  
Near Infrared ◽  
Fluorescent Chemosensor ◽  
Lead Ions ◽  
Nanoparticle Assembly ◽  
Selective Detection ◽  
Turn On

A turn-on NIR fluorescent chemosensor of Pb2+ based on a fluorescent fluorophore–AuNP assembly has been reported.

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.

Fluorescence turn-on detection of a protein through the displaced single-stranded DNA binding protein binding to a molecular beacon

2011 ◽  
Vol 47 (19) ◽  
pp. 5485 ◽  
Author(s):  
Dan Tang ◽  
Dongli Liao ◽  
Qiankun Zhu ◽  
Fangyuan Wang ◽  
Huping Jiao ◽  
...  
Keyword(s):  
Dna Binding ◽  
Protein Binding ◽  
Molecular Beacon ◽  
Binding Protein ◽  
Dna Binding Protein ◽  
Single Stranded Dna ◽  
Turn On ◽  
Fluorescence Turn On

“Turn-On” Fluorescent Sensor for Hg2+ Based on Single-Stranded DNA Functionalized Mn:CdS/ZnS Quantum Dots and Gold Nanoparticles by Time-Gated Mode

2013 ◽  
Vol 85 (2) ◽  
pp. 1164-1170 ◽  
Author(s):  
Dawei Huang ◽  
Chenggang Niu ◽  
Xiaoyu Wang ◽  
Xiaoxiao Lv ◽  
Guangming Zeng
Keyword(s):  
Quantum Dots ◽  
Gold Nanoparticles ◽  
Fluorescent Sensor ◽  
Single Stranded Dna ◽  
Turn On

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

A sensitive biosensor with a DNAzyme for lead(ii) detection based on fluorescence turn-on

The Analyst ◽  
2015 ◽  
Vol 140 (13) ◽  
pp. 4642-4647 ◽  
Author(s):  
Yang Guo ◽  
Junting Li ◽  
Xiaoqian Zhang ◽  
Yanli Tang
Keyword(s):  
High Sensitivity ◽  
Optical Biosensor ◽  
Lead Ions ◽  
Turn On ◽  
Sensitivity And Selectivity ◽  
Fluorescence Turn On

A new optical biosensor for detection of lead ions has been constructed based on fluorescence turn-on, which demonstrates high sensitivity and selectivity without any additional procedures.

Sign in / Sign up

Export Citation Format

Share Document