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Meng Li, Li-Heng Feng, Hai-Yan Lu, Shu Wang and Chuan-Feng Chen Tetrahydro[5]helicene-Based Nanoparticles for Structure-Dependent Cell Fluorescent Imaging Advanced Functional Materials 24

Version of Record online: 24 MAR 2014 | DOI: 10.1002/adfm.201400199

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A new kind of tetrahydro[5]helicene 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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