期刊
INORGANIC CHEMISTRY COMMUNICATIONS
卷 143, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.inoche.2022.109740
关键词
Aggregation-induced emission; Functionalized hollow silica nanospheres; Sensitive and selective detection of; furazolidone; Dynamic quenching mechanism
资金
- Young Talents Project of Northeast Agricultural University [18QC62]
- Heilongjiang Provincial Postdoctoral Science Foundation [LBH-Z19116]
Fluorescent nanoprobe FHMSN, synthesized by functionalizing hollow silica nanospheres with tetraphenylethylene derivatives, selectively detects antibacterial furazolidone in water system. The probe shows quick and sensitive response towards furazolidone and has no significant detection effect towards other water pollutions.
Aggregation-induced emission luminogens (AIEgens) functionalized hollow silica nanospheres were synthesized by post-grafing tetraphenylethylene derivatives on the mesoporous material. The fluorecent nanoprobe, marked as FHMSN showed strong blue emission under 340 nm excitation and was used to selectively detect the antibacterial furazolidone in water system, which was based on the dynamic quenching mechanism. It exhibited quick and sensitive response towards furazolidone with a large quenching constant of 2.43 x 104 M-1, while scarcely showed any detection effect towards other water pollutions such as glyphosate, glufosinate ammonium, dipterex, clethodim, benoxacor, mesotrione or phosethyl-Al. These experiment results demonstrate the potential value of AIEgens-functionalized mesoporous materials in environmental protection.
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