首页|Fluorophore dyes based on 9-thienylanthracene:AIEE behaviors,performance in solid state,and bioimaging in living cells
Fluorophore dyes based on 9-thienylanthracene:AIEE behaviors,performance in solid state,and bioimaging in living cells
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NSTL
Four new 9-thienylanthracene fluorescent dyes(TAs)bearing 1-methylindole/triphenylamine moieties were successfully synthesized.They all displayed typical aggregation-induced emission enhancement(AIEE)features with bright and varying aggregative-state emission involving multiple fluorescence colors containing cyan,green,and jacinth.Meanwhile,their solid state fluorescence could be effectively switched by mechanical grinding and dichloromethane fuming except for TPATA-Py12.Specifically,ITA,TPATA and ITA-Py12 showed reversible high contrast mechanofluorochromic(MFC)behaviors involving distinct fluorescent color changes from cyan/yellow to green/red.Notably,these TA dyes displayed excellent biocompatibility and have been successfully realized in living cell imaging.Particularly,ITA-Py12 and TPATA-Py12 can steadily immobilize in the mitochondria of HeLa cells by strong hydrophobic interaction between the C12-alkyl chain and lipid bilayer,resulting in high specificity mitochondrial staining.These good properties of them could provide a reference for the design and development of multi-functional AIEE dyes based on TA-skeleton.
NSTL
