Sandwich-type electrochemical immunosensor for carcinoembryonic antigen detection based on the cooperation of a gold–vertical graphene electrode and gold@silica–methylene blue

2020 ◽  
Vol 8 (2) ◽  
pp. 298-307 ◽  
Author(s):  
Siyu Zheng ◽  
Mingji Li ◽  
Hongji Li ◽  
Cuiping Li ◽  
Penghai Li ◽  
...  
Keyword(s):  
Methylene Blue ◽  
Carcinoembryonic Antigen ◽  
Electrochemical Immunosensor ◽  
Antigen Detection ◽  
Graphene Electrode ◽  
Sandwich Type

In this study, a sandwich-type electrochemical (EC) immunosensor was proposed to detect a carcinoembryonic antigen (CEA) based on Au–graphene and Au@SiO2–methylene blue (MB).

Construction of electrochemical immunosensor based on redox hydrogel for ultrasensitive detection of carcinoembryonic antigen

2021 ◽  
Author(s):  
Xiangrong Huang ◽  
Na Wu ◽  
Wenxiu Liu ◽  
Yazhuo Shang ◽  
Honglai Liu ◽  
...  
Keyword(s):  
Methylene Blue ◽  
Carcinoembryonic Antigen ◽  
Electrochemical Detection ◽  
Electrochemical Immunosensor ◽  
Ultrasensitive Detection ◽  
Label Free

In this work, a novel redox hydrogel was proposed for ultrasensitive label-free electrochemical detection of carcinoembryonic antigen (CEA). The redox hydrogel composed by cellulose nanocrystalline (CNC), methylene blue (MB), multi-walled...

Multi-walled carbon nanotubes–chitosan with a branched structure modified with ferrocenecarboxylic acid for carcinoembryonic antigen detection

2015 ◽  
Vol 7 (23) ◽  
pp. 10032-10039 ◽  
Author(s):  
Taotao Feng ◽  
Xiuwen Qiao ◽  
Haining Wang ◽  
Zhao Sun ◽  
Chenglin Hong
Keyword(s):  
Carbon Nanotubes ◽  
Carcinoembryonic Antigen ◽  
Modified Electrode ◽  
Electrochemical Immunosensor ◽  
Antigen Detection ◽  
Multi Walled Carbon Nanotubes ◽  
Ferrocenecarboxylic Acid ◽  
Branched Structure ◽  
Walled Carbon Nanotubes

A novel electrochemical immunosensor for the detection of CEA was proposed based on Fc-COOH connected to the branched structure of a MWCNT–CS complex modified electrode.

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