Fluorescent sensors based on AIEgen-functionalised mesoporous silica nanoparticles for the detection of explosives and antibiotics†,Inorganic Chemistry Frontiers

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Fluorescent sensors based on AIEgen-functionalised mesoporous silica nanoparticles for the detection of explosives and antibiotics†
Inorganic Chemistry Frontiers ( IF 6.1 ) Pub Date : 2018-08-06 00:00:00 , DOI: 10.1039/c8qi00622a
Chen Wang _{1,

2,

3,

4,

5} , Qinglan Li _{1,

2,

3,

4,

5} , Bolun Wang _{1,

2,

3,

4,

5} , Dongdong Li _{3,

4,

5,

6,

7} , Jihong Yu _{1,

2,

3,

4,

5}

Affiliation

Aggregation-induced emission luminogen (AIEgen)-functionalised mesoporous silica nanoparticles were synthesized by post-grafting two types of tetraphenylethene derivatives on mesoporous materials. The fluorescent chemical sensors, denoted as FMSN-1 and FMSN-2, emitted strong blue fluorescence under UV irradiation. Both of them exhibited quick and sensitive responses to 2,4,6-trinitrophenol (PA) and 2,4-dinitrophenol (2,4-DNP) via a fluorescence quenching process. In particular, the obtained materials also showed remarkable sensing ability for the antibiotics furazolidone (FZD) and nitrofurazone (NF) with low detection limits. The highly efficient sensing abilities of FMSNs for PA, 2,4-DNP, FZD, and NF can be attributed to fluorescence resonance energy transfer (FRET) from AIEgens to analytes. These results demonstrate the potential value of AIEgen-functionalised mesoporous materials in environmental protection.

中文翻译：

基于AIEgen功能化的介孔二氧化硅纳米粒子的荧光传感器，用于检测炸药和抗生素†

通过将两种类型的四苯基乙烯衍生物后接枝到介孔材料上，合成了聚集诱导发射发光剂（AIEgen）-官能化的介孔二氧化硅纳米粒子。荧光化学传感器，分别表示为FMSN-1和FMSN-2，在紫外线照射下发出强烈的蓝色荧光。两者显示出快速和敏感反应，2,4,6-三硝基苯酚（PA）和2,4-二硝基酚（2,4-DNP）经荧光淬灭过程。尤其是，所得材料还显示出对呋喃唑酮（FZD）和呋喃西林（NF）抗生素的显着检测能力，且检测限较低。FMSN对PA，2,4-DNP，FZD和NF的高效感测能力可归因于从AIEgens到分析物的荧光共振能量转移（FRET）。这些结果证明了AIEgen功能化的介孔材料在环境保护中的潜在价值。

更新日期：2018-08-06

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