Electrochemical determination of miRNA-155 using molybdenum carbide nanosheets and colloidal gold modified electrode coupled with mismatched catalytic hairpin …

J Zhang, X Hun - Microchemical Journal, 2019 - Elsevier
Catalytic hairpin assembly is a useful strategy for signal amplification. Nevertheless, the
inherent high background makes it imperfectable in real applications. Herein, mismatched …

An electrochemical determination strategy for miRNA based on bimetallic nanozyme and toehold-mediated DNA replacement procedure

Z Su, L Zhang, Y Yu, B Lin, Y Wang, M Guo, Y Cao - Microchimica Acta, 2023 - Springer
An electrochemical strategy based on bimetallic nanozyme in collaboration with toehold-
mediated DNA replacement effect is proposed for the sensitive determination of miRNA-21 …

Ultrasensitive electrochemical detection of miRNA-21 by using an iridium (III) complex as catalyst

X Miao, W Wang, T Kang, J Liu, KK Shiu… - Biosensors and …, 2016 - Elsevier
The ultrasensitive electrochemical detection of miRNA-21 was realized by using a novel
redox and catalytic “all-in-one” mechanism with an iridium (III) complex as a catalyst. To …

An enzyme free electrochemical biosensor for sensitive detection of miRNA with a high discrimination factor by coupling the strand displacement reaction and catalytic …

J Yao, Z Zhang, Z Deng, Y Wang, Y Guo - Analyst, 2017 - pubs.rsc.org
An isothermal, enzyme free, ultra-specific and ultra-sensitive protocol for electrochemical
detection of miRNAs is proposed based on the toehold-mediated strand displacement …

A simple electrochemical biosensor for highly sensitive and specific detection of microRNA based on mismatched catalytic hairpin assembly

Y Zhang, Y Yan, W Chen, W Cheng, S Li, X Ding… - Biosensors and …, 2015 - Elsevier
MicroRNAs (miRNAs) play vital regulatory roles in cancer development and a variety of
diseases, which make them become promising biomarkers. Here, a simple electrochemical …

A sandwich-type electrochemical biosensing platform for microRNA-21 detection using carbon sphere-MoS2 and catalyzed hairpin assembly for signal amplification

YX Chen, X Wu, KJ Huang - Sensors and Actuators B: Chemical, 2018 - Elsevier
In this work, a sandwich-type electrochemical biosensing platform is developed based on
carbon sphere-MoS 2 (CS-MoS 2) and target recycling amplification of catalyzed hairpin …

An electrochemical biosensor for sensitive detection of microRNA-155: combining target recycling with cascade catalysis for signal amplification

X Wu, Y Chai, P Zhang, R Yuan - ACS applied materials & …, 2015 - ACS Publications
In this work, a new electrochemical biosensor based on catalyzed hairpin assembly target
recycling and cascade electrocatalysis (cytochrome c (Cyt c) and alcohol oxidase (AOx)) for …

Ultrasensitive electrochemical sensing platform for miRNA-21 detection based on manganese dioxide-gold nanoparticle nanoconjugates coupled with hybridization …

M Li, T Zhang, Y Zhang - Analyst, 2023 - pubs.rsc.org
In this study, an ultrasensitive electrochemical miRNA-21 biosensor is described.
Manganese dioxide-gold nanoparticle (MnO2-Au NP) nanoconjugates were employed as …

A label-free electrochemical biosensor for microRNA detection based on catalytic hairpin assembly and in situ formation of molybdophosphate

W Cai, S Xie, Y Tang, Y Chai, R Yuan, J Zhang - Talanta, 2017 - Elsevier
A label-free electrochemical biosensor for sensitive detection of miRNA-155 was presented
by coupling enzyme-catalyzed in situ generation of electronic mediator for signal …

Dual-mode corroborative detection of miRNA-21 based on catalytic hairpin assembly reaction and oxygen reduction reaction combined strategy for the signal …

X Ma, Y Ma, O Ejeromedoghene… - Sensors and Actuators B …, 2022 - Elsevier
Here, we first combined the catalytic hairpin assembly (CHA) reaction and oxygen reduction
reaction (ORR) to amplify the electrochemical signal for the determination of miRNA-21. In …