AIEgens functionalized hollow mesoporous silica nanospheres for selective detection of the antimicrobial furazolidone

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.

Automated summary

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.