4.8 Article

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

Journal

NANOSCALE
Volume 5, Issue 5, Pages 1810-1815

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nr33794d

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Funding

  1. National Basic Research Program of China [2010CB732403]
  2. National Natural Science Foundation of China [21125524, 20975023]
  3. Program for New Century Excellent Talents in University of China [09-0014]
  4. Program for Changjiang Scholars and Innovative Research Team in University [IRT1116]
  5. National Science Foundation of Fujian Province [2010J06003]

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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.

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