4.7 Article

A fluorescent probe for H2S in vivo with fast response and high sensitivity

Journal

CHEMICAL COMMUNICATIONS
Volume 51, Issue 90, Pages 16225-16228

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cc06612c

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Funding

  1. National Science Foundation of China [21136002, 21421005]

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In this work, we design and synthesize a new near-infrared (NIR) ratiometric fluorescent probe FD-H2S for the highly sensitive (DL 68.2 nM) detection of H2S with fast response (15 s), large emission shift (220 nm) and excellent enhancement (168-fold in ratiometric value). The probe could be applied for monitoring and imaging of exogenous or endogenous H2S in live MCF-7 cells and in live mice with the fastest response.

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