Optical properties of phosphonium-, quaternary ammonium- and imidazolium- substituted regioregular polythiophenes and application for imaging live cells
Optical properties of phosphonium-, quaternary ammonium- and imidazolium- substituted regioregular polythiophenes and application for imaging live cells
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鏻、季铵和咪唑鎓取代的立体规则聚噻吩的光学性质及其在活细胞成像中的应用
DOI：
10.1016/j.dyepig.2019.107581
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发表时间：
2019-11
影响因子：
4.5
通讯作者：
Feng Fude
中科院分区：
文献类型：
--
作者：
Zhang Chi;Du Ke;Zhang Xiangfei;Zheng Xiaoyu;Cao Guangxiu;Zhang Fuli;Feng Fude
Cationic side chains on conjugated polyelectrolytes play crucial roles in the state of polymer chains in water as well as the interactions with live cells. However, it is difficult to compare the effect of different cationic side chains due to the structural defect and severe aggregation issue. We synthesized structurally defined cationic polythiophenes with pendent phosphonium-, quaternary ammonium- and imidazolium-substituted side chains, and confirmed molecularly dispersed state of them in aqueous solutions by spectroscopic characterizations. We also investigated the cytotoxicity as well as cell binding and intracellular trafficking by imaging live cells in the absence and presence of hyaluronic acid.
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