Journal
MOLECULES
Volume 26, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/molecules26113352
Keywords
hydrogen peroxide; reactive oxygen species; fluorescence; imaging
Funding
- National Natural Science Foundation of China [21977015, 21820102001]
- Fundamental Research Funds for the Central Universities [DUT20LK12]
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A fluorescent sensor (CMB) based on coumarin was designed for detecting hydrogen peroxide by fluorescence signals. The CMB showed significant fluorescence enhancement and had the potential for detecting physiological H2O2, with good biocompatibility and permeability for imaging in living cells and zebrafish.
Hydrogen peroxide (H2O2) plays an important role in the human body and monitoring its level is meaningful due to the relationship between its level and diseases. A fluorescent sensor (CMB) based on coumarin was designed and its ability for detecting hydrogen peroxide by fluorescence signals was also studied. The CMB showed an approximate 25-fold fluorescence enhancement after adding H2O2 due to the interaction between the CMB and H2O2 and had the potential for detecting physiological H2O2. It also showed good biocompatibility and permeability, allowing it to penetrate cell membranes and zebrafish tissues, thus it can perform fluorescence imaging of H2O2 in living cells and zebrafish. This probe is a promising tool for monitoring the level of H2O2 in related physiological and pathological research.
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