Journal
TETRAHEDRON
Volume 127, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2022.133020
Keywords
Rhodamine; Dyes; Probe; Hypochlorite
Categories
Funding
- Fundamental Research Funds for the Central Universities of Central South University
- Hunan Provincial Innovation Foundation for Postgraduate
- [202045010]
- [CX20190058]
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A fluorescent probe for hypochlorite detection was developed and demonstrated efficient imaging capabilities in living cells and zebrafish.
A fluorescent rhodamine dye, HN, was prepared by introducing tetrahydroquinoxalinyl donor, which displayed far-red emission (687 nm), large Stokes shift (84 nm), and relatively high fluorescent quantum yield (0.33). Based on HN dye, a fluorescent probe, HN-HClO, was developed for hypochlorite (ClO-) detection. The probe HN-HClO exhibited fast response time (within 100 s), excellent sensitivity (LOD = 74 nM), and good selectivity toward ClO-. The probe HN-HClO was capable of imaging ClO- in both living cells and zebrafish. It could also monitor the endogenously generated ClO- in the MPO-catalyzed system.(c) 2022 Elsevier Ltd. All rights reserved.
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