Near IR excitation of heavy atom free Bodipy photosensitizers through the intermediacy of upconverting nanoparticles

Orthogonal dimers of Bodipy were recently shown to be efficient generators of singlet oxygen. However, these dyes require green light for excitation, which would be very quickly attenuated inside the mammalian tissues. We now demonstrate that when these dyes are covalently attached to UCNPs, near IR...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2014-08, Vol.50 (64), p.8896-8899
Main Authors: Topel, Seda Demirel, Cin, Gunseli Turgut, Akkaya, Engin U
Format: Article
Language:English
Subjects:
Attenuation
Covalence
Dimers
Dyes
Excitation
Infrared radiation
Nanoparticles
Singlet oxygen
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Summary:Orthogonal dimers of Bodipy were recently shown to be efficient generators of singlet oxygen. However, these dyes require green light for excitation, which would be very quickly attenuated inside the mammalian tissues. We now demonstrate that when these dyes are covalently attached to UCNPs, near IR irradiation results in very efficient generation of singlet oxygen.
ISSN:1359-7345
1364-548X
DOI:10.1039/c4cc03387f