A photoelectrochemical biosensor based on methylene blue sensitized Bi5O7I for sensitive detection of PSA

2021 ◽  
Author(s):  
Xuelian Xiang ◽  
Yanlin Wang ◽  
Yanhui Zhang ◽  
Ruo Yuan ◽  
Shangping Wei
Keyword(s):  
Methylene Blue ◽  
Sensitive Detection ◽  
Photoelectrochemical Biosensor ◽  
Signal Probe

Herein, bismuth oxyiodide (Bi5O7I) was used as a signal probe to construct an effective sensitization structure with methylene blue (MB), combined with protein conversion strategy, and a photoelectrochemical (PEC) biosensor was constructed...

Construction of Poly(methylene blue) on Carbon Nanotubes Ionic Liquid Paste Electrode for Sensitive Detection of Nitrite

2010 ◽  
Vol 8 (4) ◽  
pp. 584-590 ◽  
Author(s):  
Yonghong Li ◽  
Xinling Liu ◽  
Xiandong Zeng ◽  
Xiaoying Liu ◽  
Ling Tao ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Methylene Blue ◽  
Ionic Liquid ◽  
Sensitive Detection ◽  
Paste Electrode

AuCuxO-Embedded Mesoporous CeO2 Nanocomposites as a Signal Probe for Electrochemical Sensitive Detection of Amyloid-Beta Protein

2019 ◽  
Vol 11 (13) ◽  
pp. 12335-12341 ◽  
Author(s):  
Zengqiang Gao ◽  
Yueyun Li ◽  
Chunyan Zhang ◽  
Shuan Zhang ◽  
Yilei Jia ◽  
...  
Keyword(s):  
Amyloid Beta ◽  
Sensitive Detection ◽  
Amyloid Beta Protein ◽  
Signal Probe ◽  
Mesoporous Ceo2

Ultrasensitive photoelectrochemical biosensor for MiRNA-21 assay based on target-catalyzed hairpin assembly coupled with distance-controllable multiple signal amplification

2019 ◽  
Vol 55 (65) ◽  
pp. 9622-9625 ◽  
Author(s):  
Ming-Hui Zhu ◽  
Xiao-Mei Mu ◽  
Han-Mei Deng ◽  
Xia Zhong ◽  
Ruo Yuan ◽  
...  
Keyword(s):  
Methylene Blue ◽  
Signal Amplification ◽  
Multiple Signal ◽  
Photoelectrochemical Biosensor ◽  
Catalyzed Hairpin Assembly

Here, with the target-catalyzed hairpin assembly generated dsDNA (HP1–HP2) to synchronously control the departure of quencher ferrocene and approach of sensitizer methylene blue, a distance-controllable multiple signal amplification based photoelectrochemical biosensor was proposed for MiRNA-21 assay.

A Potentiometric Addressable Photoelectrochemical Biosensor for Sensitive Detection of Two Biomarkers

2016 ◽  
Vol 88 (19) ◽  
pp. 9532-9538 ◽  
Author(s):  
Hong Dai ◽  
Shupei Zhang ◽  
Zhensheng Hong ◽  
Yanyu Lin
Keyword(s):  
Sensitive Detection ◽  
Photoelectrochemical Biosensor

A label-free and sensitive electrochemical aptasensor for thrombin based on the direct electron transfer of hemin and hemin@rGO nanosheets as the signal probe

2015 ◽  
Vol 7 (20) ◽  
pp. 8771-8777 ◽  
Author(s):  
Shuyan Xue ◽  
Huafyu Yi ◽  
Yali Yuan ◽  
Pei Jing ◽  
Wenju Xu
Keyword(s):  
Electron Transfer ◽  
Direct Electron Transfer ◽  
Sensitive Detection ◽  
Label Free ◽  
Electrochemical Aptasensor ◽  
Signal Probe

In this work, a label-free electrochemical aptasensor for sensitive detection of thrombin was fabricated and characterized.

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