首页|Efficient and pH-Sensitive Nonconventional Luminescent Polymers for Cellular Imaging and Ion Detection
Efficient and pH-Sensitive Nonconventional Luminescent Polymers for Cellular Imaging and Ion Detection
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Nonconventional luminescent materials(NLMs)are a type of organic luminescent materials that does not contain aromatic units.Due to the simplicity of the synthesis process,mild reaction conditions,good hydrophilicity and biological compatibility,NLMs have attracted much attention.Nevertheless,numerous reports indicate that NLMs can only effectively luminesce at high concentrations and in solid state,which lim-its their applicability in the field of cell imaging.This study addresses this limitation by designing and synthesizing oligomers P1,P2 and P3 using ethylene glycol diglycidyl ether and amine compounds containing ethylene groups.These oligomers exhibit remarkable luminescence efficiency reaching as high as 9.2％in dilute solutions(0.1 mg/mL),making them among the best NLMs in this category.Furthermore,the synthesized oligomers exhibit excitation wavelength-dependent and concentration-dependent luminescence intensity,fluorescence response to tempera-ture and pH changes,as well as the ability to identify Fe3+,Cu2+and Mo5+in dilute solutions.These characteristics render them potentially useful in the for cell imaging.
Guangxi Key Laboratory of Optical and Electronic Materials and Devices,College of Materials Science and Engineering,Guilin University of Technology,Guilin 541004,China
College of Pharmacy,Guilin Medical University,Guilin 541199,China
School of Chemistry and Chemical Engineering,Shanghai Jiao Tong University,Shanghai 200240,China
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