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• W4387182557 endingPage "103815" @default.
• W4387182557 startingPage "103815" @default.
• W4387182557 abstract "A series of tetraarylporphyrin, -chlorin and N-confused porphyrin dyes with 4-methoxy-meso-aryl rings (1-Por, 1-Chl and 1-NCP) and their Sn(IV) complexes (1-SnPor, 1-SnChl and 1-SnNCP) have been synthesized and characterized. The heavy atom effect of the Sn(IV) ion results in relatively high singlet oxygen quantum yield values of 0.67, 0.71 and 0.85 for 1-SnPor, 1-SnChl and 1-SnNCP, respectively. The photodynamic activities of 1-Por, 1-Chl, 1-NCP, 1-SnPor, 1-SnChl and 1-SnNCP were determined against MCF-7 breast cancer cells through illumination with Thorlabs 625 or 660 nm (240 or 280 mW.cm-2) light emitting diodes (LEDs) for 20 min. The IC50 values for 1-SnChl and 1-SnNCP lie between 1.4-6.1 and 1.6-4.8 µM upon photoirradiation with the 660 and 625 nm LEDs, while higher values of > 10 µM were obtained for 1-SnPor and the free base dyes. In a similar manner, 1-SnChl and 1-SnNCP were found to also have significant higher photodynamic antimicrobial activity against planktonic Gram-(+) S. aureus and Gram-(-) E. coli bacteria than the other dyes studied. Upon illumination with Thorlabs 625 and 660 nm LEDs for 75 min, Log10 reduction values of 7.62 and > 2.40-3.69 were obtained with 1 and 5 µM solutions, respectively." @default.
• W4387182557 created "2023-09-30" @default.
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• W4387182557 date "2023-09-01" @default.
• W4387182557 modified "2023-10-02" @default.
• W4387182557 title "The photodynamic activity properties of a series of structurally analogous tetraarylporphyrin, chlorin and N-confused porphyrin dyes and their Sn(IV) complexes" @default.
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• W4387182557 doi "https://doi.org/10.1016/j.pdpdt.2023.103815" @default.
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