Meng Li, Li-Heng Feng, Hai-Yan Lu, Shu Wang and Chuan-Feng Chen Tetrahydrohelicene-Based Nanoparticles for Structure-Dependent Cell Fluorescent Imaging Advanced Functional Materials 24
A new kind of tetrahydrohelicene based fluorescent dyes with three-primary emission colors (blue-green-red) are synthesized, and the multicolor organic nanoparticles are then prepared. The nanoparticles exhibit low cytotoxicity, excellent photostability, and high quantum yields. Interestingly, the stained regions of these nanoparticles from membrane to cytoplasm for HeLa cells show obvious structure-dependent properties.
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