Label-free and ratiometric detection of nuclei acids based on graphene quantum dots utilizing cascade amplification by nicking endonuclease and catalytic G-quadruplex DNAzyme

2016 ◽  
Vol 81 ◽  
pp. 214-220 ◽  
Author(s):  
Guang-Li Wang ◽  
Xin Fang ◽  
Xiu-Ming Wu ◽  
Xue-Lian Hu ◽  
Zai-Jun Li
Keyword(s):  
Quantum Dots ◽  
Graphene Quantum Dots ◽  
Label Free ◽  
Nicking Endonuclease ◽  
Ratiometric Detection ◽  
G Quadruplex ◽  
Cascade Amplification

Sensitive and selective amplified detection of silver ion based on NEase-aided target recycling

RSC Advances ◽  
2015 ◽  
Vol 5 (108) ◽  
pp. 89047-89051 ◽  
Author(s):  
Kai Zhang ◽  
Ke Wang ◽  
Xue Zhu ◽  
Minhao Xie
Keyword(s):  
Silver Ion ◽  
Label Free ◽  
Target Recycling ◽  
Nicking Endonuclease ◽  
Detection Strategy ◽  
G Quadruplex

A new Ag+ detection strategy that can be devised utilizing the advantages of both the nicking endonuclease-assisted signaling amplification (NEASA) method and the label-free architecture of G-quadruplex–hemin complex is reported.

Graphene quantum dots as nanosensor for rapid and label-free dual detection of Cu2+ and tiopronin by means of fluorescence “on–off–on” switching: mechanism and molecular logic gate

2021 ◽  
Author(s):  
Jun Yao ◽  
Li Wang
Keyword(s):  
Quantum Dots ◽  
Logic Gate ◽  
Graphene Quantum Dots ◽  
Truth Table ◽  
Schematic Diagram ◽  
Label Free ◽  
Emission Signal ◽  
Molecular Logic Gate ◽  
Molecular Logic ◽  
Dual Detection

(A) Schematic diagram of the interaction and dual detection of Cu2+ and MPG by means of fluorescence “on–off–on” switching. (B) Molecular logic gate and truth table constructed based on Cu2+ and MPG as inputs and emission signal as output.

scholarly journals A label-free electrochemical platform for the highly sensitive detection of hepatitis B virus DNA using graphene quantum dots

RSC Advances ◽  
2018 ◽  
Vol 8 (4) ◽  
pp. 1820-1825 ◽  
Author(s):  
Qian Xiang ◽  
Jingyun Huang ◽  
Huiyao Huang ◽  
Weiwei Mao ◽  
Zhizhen Ye
Keyword(s):  
Quantum Dots ◽  
Hepatitis B Virus ◽  
Graphene Quantum Dots ◽  
Hbv Dna ◽  
Carbon Electrode ◽  
Label Free ◽  
Modified Glassy Carbon Electrode ◽  
Highly Sensitive ◽  
B Virus ◽  
Highly Sensitive Detection

Based on the interaction between single-stranded probe DNA and graphene quantum dots (GQDs), we have designed a simple but smart electrochemical platform to detect HBV-DNA by using GQDs modified glassy carbon electrode coupled with probe DNA.

Selective, Sensitive and Label-Free Detection of Fe3+ Ion in Tap Water Using Highly Fluorescent Graphene Quantum Dots

2019 ◽  
Vol 29 (3) ◽  
pp. 541-548 ◽  
Author(s):  
Yuanyuan Zhang ◽  
Xiangyue Yang ◽  
Yunxun Pu ◽  
Wei Cheng ◽  
Song Lin ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Tap Water ◽  
Graphene Quantum Dots ◽  
Label Free ◽  
Label Free Detection

scholarly journals Nanospace-confined preparation of uniform nitrogen-doped graphene quantum dots for highly selective fluorescence dual-function determination of Fe3+ and ascorbic acid

RSC Advances ◽  
2018 ◽  
Vol 8 (10) ◽  
pp. 5500-5508 ◽  
Author(s):  
Hongbo Xu ◽  
Shenghai Zhou ◽  
Jinyu Liu ◽  
Yajun Wei
Keyword(s):  
Quantum Dots ◽  
Ascorbic Acid ◽  
Mesoporous Silica ◽  
Graphene Quantum Dots ◽  
Dual Function ◽  
Label Free ◽  
Nitrogen Doped ◽  
Nitrogen Doped Graphene ◽  
Doped Graphene

Nanospace-confined synthesis of N-GQDs was successfully achieved via a mesoporous silica recycling and vapor cutting route for label-free fluorescence dual-function detection of Fe3+ and AA.

Sign in / Sign up

Export Citation Format

Share Document