A new hybrid signal amplification strategy for ultrasensitive electrochemical detection of DNA based on enzyme-assisted target recycling and DNA supersandwich assemblies

2013 ◽  
Vol 49 (20) ◽  
pp. 2052 ◽  
Author(s):  
Ying Chen ◽  
Qiong Wang ◽  
Jin Xu ◽  
Yun Xiang ◽  
Ruo Yuan ◽  
...  
Keyword(s):  
Electrochemical Detection ◽  
Signal Amplification ◽  
Target Recycling ◽  
Amplification Strategy

Label-free and dual-amplified electrochemical detection of Hg2+ based on self-assembled DNA nanostructures and target-triggered exonuclease cleavage activity

2016 ◽  
Vol 40 (8) ◽  
pp. 6686-6691 ◽  
Author(s):  
Ting Bao ◽  
Wei Wen ◽  
Lei Shu ◽  
Xiuhua Zhang ◽  
Shengfu Wang
Keyword(s):  
Electrochemical Detection ◽  
Signal Amplification ◽  
Electrochemical Biosensor ◽  
Dna Nanostructures ◽  
Label Free ◽  
Target Recycling ◽  
Cleavage Activity ◽  
Self Assembled ◽  
Exo Iii

An electrochemical biosensor for Hg2+ detection via HCR and Hg2+-triggered Exo III-assisted target recycling for signal amplification.

Highly sensitive detection of nucleic acids using a cascade amplification strategy based on exonuclease III-assisted target recycling and conjugated polyelectrolytes

The Analyst ◽  
2018 ◽  
Vol 143 (18) ◽  
pp. 4267-4272 ◽  
Author(s):  
Biqing Bao ◽  
Yanrui Pan ◽  
Bingbing Gu ◽  
Jia Chen ◽  
Yu Xu ◽  
...  
Keyword(s):  
Nucleic Acids ◽  
Signal Amplification ◽  
Conjugated Polyelectrolytes ◽  
Exonuclease Iii ◽  
Target Recycling ◽  
Highly Sensitive ◽  
Exo Iii ◽  
Highly Sensitive Detection ◽  
Amplification Strategy ◽  
Cascade Amplification

A ratiometric and cascade amplification strategy that combines the signal amplification and effecitive FRET property of CPEs with the Exo III-assisted target recycling method has been developed for DNA detection.

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