Journal
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
Volume 247, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2020.119128
Keywords
Sulfur dioxide; Fluorescent probe; Cell imaging; Seawater
Categories
Funding
- Natural Science Foundation of Shandong Province [ZR2017BB041]
- National Postdoctoral Foundation [2019M652022]
- Science and Technology Project of Xuzhou [KC19007]
- Advanced Analysis & Computation Center, China University of Mining and Technology
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A ratio metric fluorescence probe CY has been developed to track SO2 derivatives through Michael-addition reaction, successfully detecting them in living cells and seawater. The potential application of CY in future biomedical diagnosis and marine environment research is supported by these results.
In life systems, sulfur dioxide (SO2) has very important function in several physiological processes, which can be generated endogenously during the biosynthesis of sulfur-containing amino acids. Herein, a ratio metric fluorescence probe CY carried with the structure of hemicyanine dyes has been developed to track SO2 derivatives through Michael-addition reaction. The solution of CY shows significant changes from yellow to colorless after adding the SO32-/HSO3 in day light within 2 min. Successfully, probe CY can detect SO2 derivatives in living cells and seawater. Furthermore, probe CY also be used to monitor the change of SO2 derivatives in seawater. These results give evidence of the potential application of CY in future biomedical diagnosis and marine environment research. (C) 2020 Elsevier B.V. All rights reserved.
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