Proximity binding-induced DNA assembly as signal translator and enzyme-catalyzed cleavage recycle as signal amplifier for highly sensitive electrochemical assay of target DNA

2019 ◽  
Vol 281 ◽  
pp. 864-870 ◽  
Author(s):  
Xiaoyu Hua ◽  
Enfen Yang ◽  
Danyang Zhang ◽  
Yu Shen ◽  
Jianmin Zhao ◽  
...  
Keyword(s):  
Dna Assembly ◽  
Electrochemical Assay ◽  
Target Dna ◽  
Highly Sensitive ◽  
Signal Amplifier

An electrochemical sensing platform amplified with a Au@Ag nanoparticle-decorated three-dimensional N-doped graphene aerogel for ultrasensitive determination of baicalein

2020 ◽  
Vol 44 (37) ◽  
pp. 15975-15982
Author(s):  
Xueliang Niu ◽  
Weili Zhang ◽  
Yan Huang ◽  
Likai Wang ◽  
Zhongfang Li ◽  
...  
Keyword(s):  
Three Dimensional ◽  
Electrochemical Sensing ◽  
Ag Nanoparticle ◽  
Graphene Aerogel ◽  
Sensing Platform ◽  
Highly Sensitive ◽  
Signal Amplifier ◽  
Doped Graphene ◽  
Sensitive Determination

A novel electrochemical method for highly sensitive determination of baicalein was developed with Au@Ag/3DNGA as signal amplifier.

Design and development of PCR-free highly sensitive electrochemical assay for detection of telomerase activity using Nano-based (liposomal) signal amplification platform

2016 ◽  
Vol 80 ◽  
pp. 426-432 ◽  
Author(s):  
Mohammadreza Alizadeh-Ghodsi ◽  
Ali Zavari-Nematabad ◽  
Hamed Hamishehkar ◽  
Abolfazl Akbarzadeh ◽  
Tohid Mahmoudi-Badiki ◽  
...  
Keyword(s):  
Signal Amplification ◽  
Telomerase Activity ◽  
Design And Development ◽  
Electrochemical Assay ◽  
Highly Sensitive

An electrochemical impedance sensor for simple and specific recognition of G–G mismatches in DNA

2016 ◽  
Vol 8 (40) ◽  
pp. 7413-7419 ◽  
Author(s):  
Min Huang ◽  
Hanying Li ◽  
Hanping He ◽  
Xiuhua Zhang ◽  
Shengfu Wang
Keyword(s):  
Small Molecule ◽  
Gold Electrode ◽  
Electrochemical Impedance ◽  
Specific Detection ◽  
Specific Recognition ◽  
Target Dna ◽  
Highly Sensitive ◽  
Before And After ◽  
Impedance Sensor

A simple EIS sensor was developed for the highly sensitive and specific detection of G–G mismatches in dsDNA using a small molecule-modified gold electrode. Recognition and detection were achieved by ΔRct before and after incubation with target DNA.

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