The application of aggregation-induced emission(AIE)materials in biological imaging holds multiple significances,including improving detection sensitivity and specificity,optimizing the imaging process,expanding the s...The application of aggregation-induced emission(AIE)materials in biological imaging holds multiple significances,including improving detection sensitivity and specificity,optimizing the imaging process,expanding the scope of application,and promoting advancements in biomedical research.In this work,the propeller ligand was constructed through McMurry coupling reaction and Suzuki coupling reaction by using dimethoxybenzophenone as the starting material.Then,an imine condensation reaction was carried out in chloroform solution,using a 3:2 molar ratio of precursor to tri(2-aminoethyl)amine to synthesize C3 symmetric porous organic cage CB.The structures of the compounds were determined by nuclear magnetic resonance spectroscopy(NMR),electrospray ionization mass spectrometry(ESI-MS)and Fourier transform infrared spectroscopy(FT-IR).The optical investigation results reveal that ligand L-B and the porous organic cage C_(B) demonstrate remarkable aggregation-induced emission(AIE)properties in a tetrahydrofuran/water mixed solvent system,along with a pronounced response to tetrahydrofuran vapor stimuli.Consequently,Furthermore,given its unique cage-like structure,high quantum yield,and outstanding AIE behavior,the porous organic cage C_(B) holds promise for applications in cell imaging.展开更多
基金funded by the National Natural Science Foundation of China(Nos.22101267 and 82103686)the Natural Science Foundation of Henan Province(202300410477 and 24230042123)the China Postdoctoral Science Foundation(Nos.2021M692905 and 2024T170832).
文摘The application of aggregation-induced emission(AIE)materials in biological imaging holds multiple significances,including improving detection sensitivity and specificity,optimizing the imaging process,expanding the scope of application,and promoting advancements in biomedical research.In this work,the propeller ligand was constructed through McMurry coupling reaction and Suzuki coupling reaction by using dimethoxybenzophenone as the starting material.Then,an imine condensation reaction was carried out in chloroform solution,using a 3:2 molar ratio of precursor to tri(2-aminoethyl)amine to synthesize C3 symmetric porous organic cage CB.The structures of the compounds were determined by nuclear magnetic resonance spectroscopy(NMR),electrospray ionization mass spectrometry(ESI-MS)and Fourier transform infrared spectroscopy(FT-IR).The optical investigation results reveal that ligand L-B and the porous organic cage C_(B) demonstrate remarkable aggregation-induced emission(AIE)properties in a tetrahydrofuran/water mixed solvent system,along with a pronounced response to tetrahydrofuran vapor stimuli.Consequently,Furthermore,given its unique cage-like structure,high quantum yield,and outstanding AIE behavior,the porous organic cage C_(B) holds promise for applications in cell imaging.
