4.7 Article

Carbon-dot-based ratiometric fluorescent sensor for detecting hydrogen sulfide in aqueous media and inside live cells

Journal

CHEMICAL COMMUNICATIONS
Volume 49, Issue 4, Pages 403-405

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cc37329g

Keywords

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Funding

  1. NSFC [21025415, 21174040, 50973032]
  2. National Key Basic Research Program of China

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A FRET ratiometric fluorescent sensor was developed for detecting H2S in aqueous media and serum, as well as inside live cells. For this sensor, carbon dots serve as the energy donor and also the anchoring site for the probe. This sensor is highly selective and sensitive with a detection limit of 10 nM which is the lowest among fluorescent H2S sensors.

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