Label-free and enzyme-free detection of microRNA based on a hybridization chain reaction with hemin/G-quadruplex enzymatic catalysis-induced MoS2 quantum dots via the inner filter effect

Nanoscale ◽  
2020 ◽  
Vol 12 (2) ◽  
pp. 808-814 ◽  
Author(s):  
Jia Ge ◽  
Zhangyu Qi ◽  
Liangliang Zhang ◽  
Xueping Shen ◽  
Yanmei Shen ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Enzymatic Catalysis ◽  
Inner Filter Effect ◽  
Free Enzyme ◽  
Hybridization Chain Reaction ◽  
Label Free ◽  
Chain Reaction ◽  
Specific Strategy ◽  
Filter Effect ◽  
G Quadruplex

A new label-free, enzyme-free, and specific strategy for the assay of microRNA has been developed based on a hybridization chain reaction with hemin/G-quadruplex enzymatic catalysis-induced MoS2 quantum dots via the inner filter effect.

An enzyme-free and label-free fluorescent biosensor for small molecules by G-quadruplex based hybridization chain reaction

Talanta ◽  
2015 ◽  
Vol 138 ◽  
pp. 15-19 ◽  
Author(s):  
Qingai Chen ◽  
Qingquan Guo ◽  
Ying Chen ◽  
Jie Pang ◽  
Fengfu Fu ◽  
...  
Keyword(s):  
Small Molecules ◽  
Hybridization Chain Reaction ◽  
Label Free ◽  
Chain Reaction ◽  
Fluorescent Biosensor ◽  
G Quadruplex

A label-free cyclic assembly of G-quadruplex nanowires for cascade amplification detection of T4 polynucleotide kinase activity and inhibition

The Analyst ◽  
2015 ◽  
Vol 140 (17) ◽  
pp. 6124-6130 ◽  
Author(s):  
Zhilu Shi ◽  
Xiafei Zhang ◽  
Rui Cheng ◽  
Baoxin Li ◽  
Yan Jin
Keyword(s):  
Kinase Activity ◽  
Hybridization Chain Reaction ◽  
Label Free ◽  
Chain Reaction ◽  
Polynucleotide Kinase ◽  
G Quadruplex ◽  
Amplification Strategy ◽  
Cascade Amplification ◽  
T4 Polynucleotide Kinase

A label-free and enzyme-free amplification strategy has been developed for sensitively and specifically studying PNK activity and inhibitionviathe hybridization chain reaction (HCR).

Homogeneous photoelectrochemical biosensing via synergy of G-quadruplex/hemin catalysed reactions and the inner filter effect

2020 ◽  
Vol 56 (12) ◽  
pp. 1811-1814 ◽  
Author(s):  
Xin Song ◽  
Ting Hou ◽  
Fangfang Lu ◽  
Yuze Wang ◽  
Junjie Liu ◽  
...  
Keyword(s):  
Electron Donor ◽  
Inner Filter Effect ◽  
Label Free ◽  
Filter Effect ◽  
G Quadruplex

We develop a label-free homogeneous photoelectrochemical biosensing strategy for microRNA quantification based on the synergy of G-quadruplex/hemin catalyzed electron donor consumption and the inner filter effect.

Fluorometric discrimination of tyrosine isomers based on the inner filter effect of chiral Au nanoparticles on MoS2 quantum dots

2021 ◽  
Author(s):  
Qianqian Zhao ◽  
Datong Wu ◽  
Zhengzhi Yin ◽  
Wenrong Cai ◽  
Haifeng Zhou ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Au Nanoparticles ◽  
Inner Filter Effect ◽  
Filter Effect

A fluorescent chiral sensor is proposed based on the inner filter effect (IFE) of chiral Au nanoparticles (AuNPs) on MoS2 quantum dots (MoS2 QDs), which can be used for the...

Silver nanocluster-lightened hybridization chain reaction

RSC Advances ◽  
2016 ◽  
Vol 6 (62) ◽  
pp. 57502-57506 ◽  
Author(s):  
Lin Liu ◽  
Qing Li ◽  
Li-Juan Tang ◽  
Ru-Qin Yu ◽  
Jian-Hui Jiang
Keyword(s):  
Nucleic Acid ◽  
Silver Nanoclusters ◽  
Hybridization Chain Reaction ◽  
Label Free ◽  
Chain Reaction ◽  
Silver Nanocluster ◽  
Turn On ◽  
Nucleic Acid Assays

A hybridization chain reaction (HCR) lightened by DNA-stabilized silver nanoclusters (AgNCs) as a label-free and turn on fluorescence platform for nucleic acid assays.

Lab in a tube: a fast-assembled colorimetric sensor for highly sensitive detection of oligonucleotides based on a hybridization chain reaction

RSC Advances ◽  
2015 ◽  
Vol 5 (55) ◽  
pp. 44714-44721 ◽  
Author(s):  
Siqi Zhang ◽  
Kun Wang ◽  
Zhenyu Li ◽  
Zhongmin Feng ◽  
Ting Sun
Keyword(s):  
Complex Formation ◽  
Dna Sequence ◽  
Self Assembly ◽  
The Self ◽  
Hybridization Chain Reaction ◽  
Chain Reaction ◽  
Highly Sensitive ◽  
G Quadruplex ◽  
Colored Product ◽  
Highly Sensitive Detection

Upon adding THBV, the self-assembly of THBV with H1 allows the rest of the DNA sequence of H1 to accelerate H1–H2 complex formation. The G-quadruplex at the end of the H1–H2 complex could catalyze TMB into a colored product.

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