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Revista de Chimie (Rev. Chim.), Year 2014, Volume 65, Issue 11,





Daniel BODA, Rodica-Mariana ION
Synthesis, Spectral and Photodynamic Properties of Lithium Phthalocyanine

Abstract:

The aim of this paper was to synthesize lithium phthalocyanine Li2Pc, to characterize and to test it on culture media from HepG-2 (human hepatocellular carcinoma), by photodynamic test, under irradiation with l = 632.8 nm, He-Ne laser (30 mW, 25°C, total irradiation time = 30 min, in O2 saturated solution). During irradiation, cells are actively destroyed, especially those loaded with Li2Pc. Some parameters as viability were significantly lowered in culture media from HepG-2 cells in the presence of 25 mg/mL Li2Pc, after irradiation with laser, as compared to control cells (non-irradiated, but treated with Li2Pc). The synthesized phthalocyanine has been characterized from spectral (UV-Vis, FTIR, 1H NMR), photophysical (fluorescence lifetimes and triplet quantum yields) and photochemical point of view, too (singlet oxygen generation). Keywords: lithium phthalocyanine, photodynamic action, photophysics, photochemistry


Issue: 2014, Volume 65, Issue 11
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