An electrochemical DNA biosensor for the detection of Mycobacterium tuberculosis, based on signal amplification of graphene and a gold nanoparticle–polyaniline nanocomposite

The Analyst ◽  
2014 ◽  
Vol 139 (21) ◽  
pp. 5460-5465 ◽  
Author(s):  
Chang Liu ◽  
Dongneng Jiang ◽  
Guiming Xiang ◽  
Linlin Liu ◽  
Fei Liu ◽  
...  
Keyword(s):  
Mycobacterium Tuberculosis ◽  
Gold Nanoparticle ◽  
Signal Amplification ◽  
Dna Biosensor ◽  
Electrochemical Dna Biosensor ◽  
Polyaniline Nanocomposite

Reduced graphene oxide nanoribbon immobilized gold nanoparticle based electrochemical DNA biosensor for the detection of Mycobacterium tuberculosis

2018 ◽  
Vol 6 (31) ◽  
pp. 5181-5187 ◽  
Author(s):  
Navin Kumar Mogha ◽  
Vikrant Sahu ◽  
Raj Kishore Sharma ◽  
Dhanraj T. Masram
Keyword(s):  
Mycobacterium Tuberculosis ◽  
Graphene Oxide ◽  
Detection Limit ◽  
Gold Nanoparticle ◽  
Reduced Graphene Oxide ◽  
High Specificity ◽  
Dna Biosensor ◽  
Electrochemical Dna Biosensor ◽  
Reduced Graphene ◽  
Very High

A DNA based biosensor is reported with very high specificity to Mycobacterium tuberculosis and a detection limit much superior to those already reported in the literature.

A novel electrochemical DNA biosensor for transgenic soybean detection based on triple signal amplification

2019 ◽  
Vol 1078 ◽  
pp. 24-31 ◽  
Author(s):  
Dongli Chen ◽  
Meng Zhang ◽  
Mingyi Ma ◽  
Hong Hai ◽  
Jianping Li ◽  
...  
Keyword(s):  
Signal Amplification ◽  
Dna Biosensor ◽  
Transgenic Soybean ◽  
Electrochemical Dna Biosensor

Multi-signal amplification electrochemical DNA biosensor based on exonuclease III and tetraferrocene

2020 ◽  
Vol 8 (18) ◽  
pp. 4143-4150
Author(s):  
Zhaojiang Yin ◽  
Hanfeng Cui ◽  
Qingxia Shu ◽  
Chen Jin ◽  
Yan Lin ◽  
...  
Keyword(s):  
Benzoic Acid ◽  
Electrochemical Sensor ◽  
Signal Amplification ◽  
Dna Biosensor ◽  
Exonuclease Iii ◽  
Electrochemical Dna Biosensor ◽  
Exo Iii

A new and efficient signal marker, 3,5-bis(3,5-bisferrocenethoxybenzyloxy)benzoic acid, was firstly synthesized and used for labeling. Construct a homogeneous electrochemical sensor with Exo III assisting the target cycle.

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