Article
Squaraine dyes for photodynamic therapy: study of their cytotoxicity and genotoxicity in bacteria and mammalian cells.
Photochemistry and photobiology - 1 Dec 2002
Ramaiah Danaboyina, Eckert Inge, Arun Kalliat T, Weidenfeller Lydia, Epe Bernd
Abstract excerpt
Halogenated squaraine dyes are characterized by long wavelength absorption (>600 nm) and high triplet yields and therefore represent new types of photosensitizers that could be useful for photodynamic therapy. We have analyzed the cytotoxicity and genotoxicity of the bromo derivative 1, the iodo derivative 2 and the corresponding nonhalogenated dye 3 in the absence and presence of visible light. At concentrations...
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