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Turn-on fluorescence and photodynamic activity of β-(1,3-1,6)-d-glucan-complexed porphyrin derivatives inside HeLa cells.
Photochemical & Photobiological Sciences ( IF 2.7 ) Pub Date : 2019-11-12 , DOI: 10.1039/c9pp00208a
Shodai Hino 1 , Rikushi Funada 1 , Kouta Sugikawa 1 , Kazuya Koumoto 2 , Toshio Suzuki 3 , Takeshi Nagasaki 3 , Atsushi Ikeda 1
Affiliation  

Fluorescence intensities of water-soluble β-(1,3-1,6)-D-glucan (β-1,3-glucan)-complexed porphyrin derivatives were very weak as a result of self-quenching. However, β-1,3-glucan-complexed tetra(aminophenyl)porphyrin exhibited ‘off-state’ to ‘on-state’ fluorescence switching activity by intracellular uptake. Furthermore, the internalised complex showed a high level of photodynamic activity toward HeLa cells under photoirradiation at long wavelengths.

中文翻译:

HeLa细胞内β-(1,3-1,6)-d-葡聚糖复合卟啉衍生物的开启荧光和光动力活性。

由于自身猝灭,水溶性β-(1,3-1,6)-D-葡聚糖(β-1,3-葡聚糖)复合的卟啉衍生物的荧光强度非常弱。然而,β-1,3-葡聚糖复合的四(氨基苯基)卟啉通过细胞内摄取显示出“关闭状态”到“开启状态”的荧光转换活性。此外,内化的复合物在长波长的光辐照下对HeLa细胞表现出高水平的光动力学活性。
更新日期:2019-11-12
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