New detection method for nucleoside triphosphates based on carbon dots: The distance-dependent singlet oxygen trapping

The distance-dependent based sensing mechanism, such as fluorescence resonance energy transfer (FRET) and surface plasmon resonance (SPR) absorption of gold nanoparticles, has been used widely in visual detection. In this work, we report another distance-dependent detection method for nucleoside tri...

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Bibliographic Details
Published in:Analytica chimica acta 2018-11, Vol.1031, p.145-151
Main Authors: Ding, Ying, Jia, Qingyan, Wen, Yongmei, Liu, Weimin, Ge, Jiechao, Wu, Jiasheng, Zhang, Hongyan, Wang, Pengfei
Format: Article
Language:English
Subjects:
Absorption
Carbon
Carbon dots
Distance-dependent
Energy transfer
Fluorescence
Fluorescence resonance energy transfer
Gold
Irradiation
Light irradiation
Molecules
Nanoparticles
Nucleoside triphosphates
Nucleosides
Oxygen
Radiation
Resonance
Sensors
Singlet oxygen
Singlet oxygen trapping
Surface plasmon resonance
Trapping
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Summary:The distance-dependent based sensing mechanism, such as fluorescence resonance energy transfer (FRET) and surface plasmon resonance (SPR) absorption of gold nanoparticles, has been used widely in visual detection. In this work, we report another distance-dependent detection method for nucleoside triphosphates (NTPs) based on carbon dots (CDs) (1O2 donor) and 9, 10-diphenylanthracene-2-boronic acid (DABA, 1O2 acceptor). The CDs can generate singlet oxygen (1O2) which allows diffusion within 200 nm. Thus, the distance between CDs and DABA decreased through binding of NTPs (
ISSN:0003-2670
1873-4324
DOI:10.1016/j.aca.2018.05.024