Glutathione-functionalized graphene quantum dots as selective fluorescent probes for phosphate-containing metabolites

Bright blue fluorescent glutathione-functionalized graphene quantum dots (GQDs@GSH) were prepared by a one-step pyrolysis method with a fluorescence quantum yield as high as 33.6%. Futhermore, the obtained GQDs@GSH can be used as a probe to estimate the ATP level in cell lysates and human blood seru...

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Bibliographic Details
Published in:Nanoscale 2013-03, Vol.5 (5), p.1810-1815
Main Authors: Liu, Jing-Jing, Zhang, Xiao-Long, Cong, Zhong-Xiao, Chen, Zhi-Tao, Yang, Huang-Hao, Chen, Guo-Nan
Format: Article
Language:English
Subjects:
Adenosine Triphosphate - blood
Adenosine Triphosphate - metabolism
Blood
Cell Line, Tumor
Electron Transport
Fluorescent Dyes - chemistry
Glutathione - chemistry
Glutathione - metabolism
Graphene
Graphite - chemistry
Human
Humans
Kinetics
Nanocomposites
Nanomaterials
Nanostructure
Pyrolysis
Quantum Dots
Quantum Theory
Spectrometry, Fluorescence
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Summary:Bright blue fluorescent glutathione-functionalized graphene quantum dots (GQDs@GSH) were prepared by a one-step pyrolysis method with a fluorescence quantum yield as high as 33.6%. Futhermore, the obtained GQDs@GSH can be used as a probe to estimate the ATP level in cell lysates and human blood serum.
ISSN:2040-3364
2040-3372
DOI:10.1039/c3nr33794d