Circular exponential amplification of photoinduced electron transfer using hairpin probes, G-quadruplex DNAzyme and silver nanocluster-labeled DNA for ultrasensitive fluorometric determination of pathogenic bacteria

2018 ◽  
Vol 185 (3) ◽  
Author(s):  
Xueqi Leng ◽  
Yu Wang ◽  
Rongguo Li ◽  
Su Liu ◽  
Jianzhuang Yao ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Photoinduced Electron Transfer ◽  
Pathogenic Bacteria ◽  
Fluorometric Determination ◽  
Silver Nanocluster ◽  
G Quadruplex ◽  
Hairpin Probes

Novel anthracene- and pyridine-containing Schiff base probe for selective “off–on” fluorescent determination of Cu2+ ions towards live cell application

2016 ◽  
Vol 40 (7) ◽  
pp. 6101-6108 ◽  
Author(s):  
Turibius Simon ◽  
Muthaiah Shellaiah ◽  
Venkatesan Srinivasadesikan ◽  
Ching-Chang Lin ◽  
Fu-Hsiang Ko ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Schiff Base ◽  
Photoinduced Electron Transfer ◽  
Transfer Mechanism ◽  
Live Cell ◽  
Live Cells ◽  
Electron Transfer Mechanism

A simple anthracene-based AP probe was synthesized to detect Cu2+ ions, via the photoinduced electron transfer mechanism, in live cells.

A photoelectrochemical sensor through quenching of photoinduced electrons based on a G-quadruplex/hemin complex

2015 ◽  
Vol 7 (9) ◽  
pp. 3697-3700 ◽  
Author(s):  
Xiang Yan ◽  
Kewei Wang ◽  
Danping Xie ◽  
Lijun Xu ◽  
Qianqian Han ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Photoinduced Electron Transfer ◽  
Label Free ◽  
Withdrawal Effect ◽  
Photoelectrochemical Sensor ◽  
G Quadruplex ◽  
Electron Withdrawal

A novel label-free photoelectrochemical sensor was fabricated for the detection of K+ based on the electron withdrawal effect of hemin. The decreasing photocurrent from photoinduced electron transfer by a G-quadruplex/hemin complex was utilized.

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