MicroRNA detection based on analyte triggered nanoparticle localization on a tetrahedral DNA modified electrode followed by hybridization chain reaction dual amplification

2015 ◽  
Vol 51 (86) ◽  
pp. 15629-15632 ◽  
Author(s):  
Peng Miao ◽  
Yuguo Tang ◽  
Jian Yin
Keyword(s):  
Modified Electrode ◽  
Hybridization Chain Reaction ◽  
Chain Reaction ◽  
Microrna Detection ◽  
Highly Sensitive ◽  
Dual Amplification ◽  
Sensitive Method

A highly sensitive method to identify cellular microRNA was developed by coupling analyte triggered nanoparticle localization and hybridization chain reaction dual amplification.

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.

Target-directed enzyme-free dual-amplification DNA circuit for rapid signal amplification

2020 ◽  
Vol 8 (47) ◽  
pp. 10770-10775
Author(s):  
Chao Xing ◽  
Ziyi Chen ◽  
Cheng Zhang ◽  
Jun Wang ◽  
Chunhua Lu
Keyword(s):  
Nucleic Acids ◽  
Small Molecules ◽  
Signal Amplification ◽  
Fluorescence Analysis ◽  
Single Step ◽  
Hybridization Chain Reaction ◽  
Chain Reaction ◽  
Dual Amplification

An enzyme-free, single-step and rapid signal amplification DNA circuit was developed by integrating target-directed entropy-driven catalysis and hybridization chain reaction for fluorescence analysis of nucleic acids and small molecules.

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