期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 21, 期 50, 页码 18258-18268出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201503393
关键词
fluorescence; fluorescent probes; nitroxides; photooxidation; radicals
资金
- Australian Research Council Centre of Excellence for Free Radical Chemistry and Biotechnology [CEO 0561607]
- Defence Materials Technology Centre
- Australian Government's Defence Future Capability Technology Centre (DFCTC) initiative
- Queensland University of Technology
Novel profluorescent mono- and bis-isoindoline nitroxides linked to napthalimide and perylene diimide structural cores are described. These nitroxide-fluorophore probes display strongly suppressed fluorescence in comparison to their corresponding non-radical diamagnetic methoxyamine derivatives. The perylene-based probe possessing two isoindoline systems tethered through ethynyl linkages was shown to be the most photostable in solution, demonstrating significantly enhanced longevity over the 9,10-bis(phenylethynyl) anthracene fluorophore used in previous profluorescent nitroxide probes.
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