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基于萘酰亚胺的Turn-on型Fe^(3+)荧光探针 被引量：3

A Turn-on Fluorescent Probe for Fe^(3+) Based on Naphthalimide
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摘要 以萘酰亚胺作为荧光团,通过哌嗪与N-2-氯乙酰氨基喹啉反应得到基于PET原理的荧光增强型Fe3+探针。实验结果表明,在pH=6.46的0.01mol/L Tris-HCl(乙腈∶水=4∶1,V/V)溶液中,探针能选择性识别溶液中的Fe3+,荧光最大增强10倍,不受其他离子的干扰;同时将探针硅烷化修饰后,共价键联到硅胶颗粒上得到荧光增强型Fe3+传感材料,可以检测水溶液中的Fe3+,在2.0×10-5~1.4×10-4 mol/L Fe3+离子含量范围内,荧光强度呈良好的线性关系(R2=0.9023)。 A naphthalimide-based turn-on fluorescent sensor for Fe3＋ ion was designed and synthesized, whose receptor comprise piperazine and acetyl aminoquinoline. The results reveal that this novel probe exhibits a high selectivity to Fe3＋ ion in neutral buffer aqueous. After silylation, the probe was covalently bonded to the silical particles to be a turn-on fluorescent sensing material, which showes a good linearity （correlation coefficient R2 =0. 9023） in the range of 20-140 μmol/L of Fe3＋ ion.
作者 殷丽艳 陈甜甜 朱维平
机构地区 华东理工大学药学院
出处 《影像科学与光化学》 CAS CSCD 北大核心 2014年第1期84-90,共7页 Imaging Science and Photochemistry
基金 国家自然科学基金项目(21236002)资助
关键词 萘酰亚胺 荧光 探针 FE3+ 传感材料 naphthalimide fluorescence probe iron ions sensing material
分类号 O621.2 [理学—有机化学]
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参考文献16

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共引文献1

同被引文献44

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影像科学与光化学
2014年 第1期

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