Reduced graphene oxide-gold nanoparticles-catalase-based dual signal amplification strategy in a spatial-resolved ratiometric electrochemiluminescence immunoassay

The Analyst ◽  
2020 ◽  
Vol 145 (1) ◽  
pp. 91-96 ◽  
Author(s):  
Jun-Tao Cao ◽  
Xiao-Long Fu ◽  
Fu-Rao Liu ◽  
Shu-Wei Ren ◽  
Yan-Ming Liu

A novel spatial-resolved electrochemiluminescent (ECL) ratiometry for cardiac troponin I (cTnI) analysis was developed using resonance energy transfer (RET) and a coreactant consumption strategy for signal amplification.

The Analyst ◽  
2019 ◽  
Vol 144 (22) ◽  
pp. 6554-6560 ◽  
Author(s):  
Liping Zhu ◽  
Jing Ye ◽  
Mengxia Yan ◽  
Qiuju Zhu ◽  
Xiurong Yang

A wavelength-resolved electrochemiluminescence resonance energy transfer ratiometric immunosensor from Au-g-C3N4 to Au NCs has been constructed for the first time.


2018 ◽  
Vol 54 (77) ◽  
pp. 10897-10900 ◽  
Author(s):  
Zhi-Bin Wen ◽  
Wen-Bin Liang ◽  
Ying Zhuo ◽  
Cheng-Yi Xiong ◽  
Ying-Ning Zheng ◽  
...  

Herein, an adenosine triphosphate (ATP)-fueled nucleic acid signal amplification strategy based on toehold-mediated strand displacement (TMSD) and fluorescence resonance energy transfer (FRET) was proposed for highly sensitive detection of microRNA-21.


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