Facile construction of imidazole functionalized polysiloxanes by thiol-ene "Click" reaction for the consecutive detection of Fe3+ and amino acids

被引：24
作者：
Zuo, Yujing [1 ]
Zhang, Yu [1 ]
Gou, Zhiming [1 ]
Lin, Weiying [1 ]
机构：
[1] Univ Jinan, Sch Chem & Chem Engn, Sch Mat Sci & Engn, Inst Fluorescent Probes Biol Imaging, Jinan 250022, Shandong, Peoples R China
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2019年 / 291卷
关键词：
Polysiloxane; Fe3+/amino acids cycle; Unconventional fluorescence; HIGHLY SELECTIVE DETECTION; FLUORESCENT-PROBE; METAL-IONS; RELAY RECOGNITION; CYSTEINE; GLUTATHIONE; HOMOCYSTEINE; CHEMOSENSOR; CYSTEINE/HOMOCYSTEINE; BIOTHIOLS;
D O I：
10.1016/j.snb.2019.04.021
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Novel imidazole-functionalized polysiloxane (PMMS-IM) was synthesized by facile thiol-ene "click" chemistry. PMMS-IM exhibited strong photoluminescence excited by a wavelength of 365 nm. In addition, the consecutive response to Fe3+ and amino acids by fluorescence quenching and lighting has been investigated. The sequence response of PMMS-IM towards Fe3+ and amino acids exhibit fine selectivity. Moreover, PMMS-IM represented a useful tool for monitoring the Fe3+/amino acids cycle in situ in lived HeLa cells. This work represented the first example for the consecutive detection of Fe3+ and amino acids based on polysiloxanes. The presented investigation illustrated a promising approach towards the ultilizing of functionalized polysiloxanes as a novel kind of appealing fluorescent probes.
引用
收藏
页码：235 / 242
页数：8
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