The soft interactions of aminated SiO2 nanoparticles with fluorescent partners: a multi-functional sensing platform with a signal amplification effect

Signal amplification, known as the "molecular wire" effect, is greatly desirable and achieved by the electrostatic interactions of aminated SiO2 nanoparticles (SiO2-NH2) with acidic fluorescent partners (NBTA). This explored sensing platform exhibited a multi-responsive capability toward e...

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Bibliographic Details
Published in:RSC advances 2016-01, Vol.6 (73), p.69404-69411
Main Authors: Hengchang, Ma, Zengming, Yang, Haiying, Cao, Lei, Lei, Ziqiang, Lei
Format: Article
Language:English
Subjects:
Amplification
Detection
Fluorescence
Nanoparticles
Platforms
Silicon dioxide
Stimuli
Wire
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Summary:Signal amplification, known as the "molecular wire" effect, is greatly desirable and achieved by the electrostatic interactions of aminated SiO2 nanoparticles (SiO2-NH2) with acidic fluorescent partners (NBTA). This explored sensing platform exhibited a multi-responsive capability toward external stimuli, including that of TFA/Et3N, chloroauric acid, as well as the explosive compound PA.
ISSN:2046-2069
DOI:10.1039/c6ra14391a