Catalytic hairpin self-assembly for biosensing: Classification, influencing factors, and applications

L Zhao, Y Song, H Xu - TrAC Trends in Analytical Chemistry, 2023 - Elsevier
As an enzyme-free signal amplification strategy, catalytic hairpin assembly (CHA) presents
the advantages of flexible design and high efficiency. Combined with various signal output …

Catalytic hairpin assembly as cascade nucleic acid circuits for fluorescent biosensor: Design, evolution and application

Z Luo, Y Li, P Zhang, L He, Y Feng, Y Feng… - TrAC Trends in …, 2022 - Elsevier
Catalytic hairpin assembly (CHA) with advantages of high efficiency, flexible design, and
mild reaction condition is considered a promising molecular amplifier. Modified working …

Recent advances of catalytic hairpin assembly and its application in bioimaging and biomedicine

Z Tian, C Zhou, C Zhang, M Wu, Y Duan… - Journal of Materials …, 2022 - pubs.rsc.org
Catalytic hairpin assembly (CHA) appears to be a particularly appealing nucleic acid circuit
because of its powerful amplification capability, simple protocols, and enzyme-free and …

Applications of catalytic hairpin assembly reaction in biosensing

J Liu, Y Zhang, H Xie, L Zhao, L Zheng, H Ye - Small, 2019 - Wiley Online Library
Nucleic acids are considered as perfect programmable materials for cascade signal
amplification and not merely as genetic information carriers. Among them, catalytic hairpin …

Catalytic hairpin assembly-programmed formation of clickable nucleic acids for electrochemical detection of liver cancer related short gene

M Wang, Y Tang, Y Chen, Y Cao, G Chen - Analytica Chimica Acta, 2019 - Elsevier
DNA amplification usually takes place in an aqueous system to facilitate a highly efficient
reaction. Therefore, it is a challenge to connect the DNA amplification with popular dry …

Enzyme-free and ultrasensitive electrochemical detection of nucleic acids by target catalyzed hairpin assembly followed with hybridization chain reaction

S Liu, Y Wang, J Ming, Y Lin, C Cheng, F Li - Biosensors and Bioelectronics, 2013 - Elsevier
An isothermal, enzyme-free and ultrasensitive protocol for electrochemical detection of DNA
is proposed based on the ingenious combination of target catalyzed hairpin assembly and …

Signal amplified colorimetric nucleic acid detection based on autocatalytic hairpin assembly

Y Liu, L Jin, J Mao, R Deng, F Lin, Y Cheng, M Li… - RSC advances, 2024 - pubs.rsc.org
Herein, a nucleic acid assay based on autocatalytic hairpin assembly (ACHA) was
proposed. In this system, two split G-quadruplex sequences were integrated into H1 and H2 …

Movable toehold for leakless self-assembly circuits

X Han, H Yu, L Zhang, Z Weng, L Dai, L Wang… - Biosensors and …, 2024 - Elsevier
Nonenzymatic self-assembly circuit utilizing hairpin substrates has been developed to be a
powerful tool for information transduction, amplification and computation. However, the …

Mismatched catalytic hairpin assembly coupling hydroxylamine-O-sulfonic acid as oxide for DNA assay

X Hun, Y Meng, S Wang, H Zhang, X Luo - Sensors and Actuators B …, 2018 - Elsevier
Catalytic hairpin assembly (CHA) is an enzyme-free amplification method that it has been
proved to be useful in signal amplification. In this work, hydroxylamine-O-sulfonic acid …

A sensitive biomolecules detection device with catalytic hairpin assembly and cationic conjugated polymer-assisted dual signal amplification strategy

Z Zhang, X Xiang, Y Hu, Y Deng, L Li, W Zhao, T Wu - Talanta, 2021 - Elsevier
A simple, sensitive, selective, and enzyme-free homogeneous fluorescent biosensing device
for DNA and protein detection is fabricated based on catalytic hairpin assembly (CHA) …