A subfemtomolar electrochemical DNA biosensor realized by in-situ grafting of gold nanoparticle/neutral red on the terminal of hairpin probe as the signal tag

2021 ◽  
Vol 164 ◽  
pp. 106079
Author(s):  
Fengping Zhan ◽  
Xiaolei Liao ◽  
Qingxiang Wang ◽  
Wei Sun
Keyword(s):  
Gold Nanoparticle ◽  
Neutral Red ◽  
Dna Biosensor ◽  
Hairpin Probe ◽  
Electrochemical Dna Biosensor

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.

In situ evaluation of heavy metal–DNA interactions using an electrochemical DNA biosensor

2008 ◽  
Vol 72 (1) ◽  
pp. 53-58 ◽  
Author(s):  
S.C.B. Oliveira ◽  
O. Corduneanu ◽  
A.M. Oliveira-Brett
Keyword(s):  
Heavy Metal ◽  
Dna Biosensor ◽  
Dna Interactions ◽  
Electrochemical Dna Biosensor
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