A “turn-on” fluorescence sensor for ascorbic acid based on graphene quantum dots via fluorescence resonance energy transfer

2018 ◽  
Vol 10 (6) ◽  
pp. 611-616 ◽  
Author(s):  
Yue Gao ◽  
Xiaolu Yan ◽  
Meng Li ◽  
Han Gao ◽  
Jing Sun ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Ascorbic Acid ◽  
Energy Transfer ◽  
Fluorescence Resonance Energy Transfer ◽  
Graphene Quantum Dots ◽  
Resonance Energy Transfer ◽  
Resonance Energy ◽  
Fluorescence Sensor ◽  
Turn On ◽  
First Time

For the first time, a FRET nanosensor for AA was developed using GQDs as the energy donors and SQA-iron(iii) as the energy acceptors.

Core–shell CdSeTe/ZnS quantum dots for the detection of microRNA-155 based on the fluorescence resonance energy transfer technique via the formation of a network structure

2019 ◽  
Vol 11 (32) ◽  
pp. 4137-4145 ◽  
Author(s):  
Feng Cui ◽  
Qianying Qiu ◽  
Gang Peng ◽  
Xiaoyan Li ◽  
Xi Liu ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Energy Transfer ◽  
Fluorescence Resonance Energy Transfer ◽  
Network Structure ◽  
Resonance Energy Transfer ◽  
Resonance Energy ◽  
Fluorescence Sensor ◽  
Core Shell ◽  
Fluorescence Resonance

A fluorescence sensor was designed for miR155. When target hybridized with HP, numerous H1-AuNPs@SiO2 could be produced. The FL of A1-QDs was quenched by H1-AuNPs@SiO2via FRET function. The decrease of FL was proportional with miR155 concentration.

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