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It was evaluated the properties of the xanthene dyes Erythrosin B, Eosin Y and theirs Methyl, Butyl and Decyl ester derivatives as possible photosensitizers (PS) for photodynamic treatments. The more hydrophobic dyes self‐aggregate in water/ethanol solutions above 70% water (vol/vol) in the mixture. In buffered water, these PS were encapsulated in Pluronic polymeric surfactants of P‐123 and F‐127...
The xanthene dye erythrosin B (ERY) has high molar absorptivity and singlet oxygen quantum yield (ΦΔO21), which make it a potential photosensitizer for photodynamic applications. However, ERY is very hydrophilic in water at physiological pH due to its two negative charges, which results in low interaction with biological membranes. In this work we synthesized ester derivatives of ERY: methyl (ERYMET),...
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